Merge branch 'master' into jgrpp

# Conflicts: # src/cheat_gui.cpp # src/genworld_gui.cpp # src/landscape.cpp # src/lang/english.txt # src/saveload/afterload.cpp # src/screenshot.cpp # src/settings_gui.cpp # src/settings_internal.h # src/settings_type.h # src/table/settings.ini # src/tile_type.h # src/widgets/genworld_widget.h
2021-04-10 18:29:36 +01:00
parent fcded2aff7 76e92f6751
commit f39b6f4ba3
77 changed files with 587 additions and 448 deletions
--- a/src/cheat_gui.cpp
+++ b/src/cheat_gui.cpp
@@ -129,7 +129,7 @@ static int32 ClickChangeDateCheat(int32 p1, int32 p2)
 */
 static int32 ClickChangeMaxHlCheat(int32 p1, int32 p2)
 {
-	p1 = Clamp(p1, MIN_MAX_HEIGHTLEVEL, MAX_MAX_HEIGHTLEVEL);
+	p1 = Clamp(p1, MIN_MAP_HEIGHT_LIMIT, MAX_MAP_HEIGHT_LIMIT);

 	/* Check if at least one mountain on the map is higher than the new value.
 	 * If yes, disallow the change. */
@@ -137,18 +137,18 @@ static int32 ClickChangeMaxHlCheat(int32 p1, int32 p2)
 		if ((int32)TileHeight(t) > p1) {
 			ShowErrorMessage(STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN, INVALID_STRING_ID, WL_ERROR);
 			/* Return old, unchanged value */
-			return _settings_game.construction.max_heightlevel;
+			return _settings_game.construction.map_height_limit;
 		}
 	}

 	/* Execute the change and reload GRF Data */
-	_settings_game.construction.max_heightlevel = p1;
+	_settings_game.construction.map_height_limit = p1;
 	ReloadNewGRFData();

 	/* The smallmap uses an index from heightlevels to colours. Trigger rebuilding it. */
 	InvalidateWindowClassesData(WC_SMALLMAP, 2);

-	return _settings_game.construction.max_heightlevel;
+	return _settings_game.construction.map_height_limit;
 }

 /**
@@ -179,16 +179,16 @@ struct CheatEntry {
 * Order matches with the values of #CheatNumbers
 */
 static const CheatEntry _cheats_ui[] = {
-	{CNM_MONEY,      SLE_INT32,       STR_CHEAT_MONEY,            &_money_cheat_amount,                    &_cheats.money.been_used,                  &ClickMoneyCheat           },
-	{CNM_LOCAL_ONLY, SLE_UINT8,       STR_CHEAT_CHANGE_COMPANY,   &_local_company,                         &_cheats.switch_company.been_used,         &ClickChangeCompanyCheat   },
-	{CNM_ALL,        SLE_BOOL,        STR_CHEAT_EXTRA_DYNAMITE,   &_cheats.magic_bulldozer.value,          &_cheats.magic_bulldozer.been_used,        nullptr                    },
-	{CNM_ALL,        SLE_BOOL,        STR_CHEAT_CROSSINGTUNNELS,  &_cheats.crossing_tunnels.value,         &_cheats.crossing_tunnels.been_used,       nullptr                    },
-	{CNM_ALL,        SLE_BOOL,        STR_CHEAT_NO_JETCRASH,      &_cheats.no_jetcrash.value,              &_cheats.no_jetcrash.been_used,            nullptr                    },
-	{CNM_LOCAL_ONLY, SLE_BOOL,        STR_CHEAT_SETUP_PROD,       &_cheats.setup_prod.value,               &_cheats.setup_prod.been_used,             &ClickSetProdCheat         },
-	{CNM_LOCAL_ONLY, SLE_UINT8,       STR_CHEAT_EDIT_MAX_HL,      &_settings_game.construction.max_heightlevel, &_cheats.edit_max_hl.been_used,       &ClickChangeMaxHlCheat     },
-	{CNM_LOCAL_ONLY, SLE_INT32,       STR_CHEAT_CHANGE_DATE,      &_cur_date_ymd.year,                     &_cheats.change_date.been_used,            &ClickChangeDateCheat      },
-	{CNM_ALL,        SLF_NOT_IN_SAVE, STR_CHEAT_INFLATION_COST,   &_economy.inflation_prices,              &_extra_cheats.inflation_cost.been_used,   nullptr                    },
-	{CNM_ALL,        SLF_NOT_IN_SAVE, STR_CHEAT_INFLATION_INCOME, &_economy.inflation_payment,             &_extra_cheats.inflation_income.been_used, nullptr                    },
+	{CNM_MONEY,      SLE_INT32,       STR_CHEAT_MONEY,            &_money_cheat_amount,                          &_cheats.money.been_used,                  &ClickMoneyCheat           },
+	{CNM_LOCAL_ONLY, SLE_UINT8,       STR_CHEAT_CHANGE_COMPANY,   &_local_company,                               &_cheats.switch_company.been_used,         &ClickChangeCompanyCheat   },
+	{CNM_ALL,        SLE_BOOL,        STR_CHEAT_EXTRA_DYNAMITE,   &_cheats.magic_bulldozer.value,                &_cheats.magic_bulldozer.been_used,        nullptr                    },
+	{CNM_ALL,        SLE_BOOL,        STR_CHEAT_CROSSINGTUNNELS,  &_cheats.crossing_tunnels.value,               &_cheats.crossing_tunnels.been_used,       nullptr                    },
+	{CNM_ALL,        SLE_BOOL,        STR_CHEAT_NO_JETCRASH,      &_cheats.no_jetcrash.value,                    &_cheats.no_jetcrash.been_used,            nullptr                    },
+	{CNM_LOCAL_ONLY, SLE_BOOL,        STR_CHEAT_SETUP_PROD,       &_cheats.setup_prod.value,                     &_cheats.setup_prod.been_used,             &ClickSetProdCheat         },
+	{CNM_LOCAL_ONLY, SLE_UINT8,       STR_CHEAT_EDIT_MAX_HL,      &_settings_game.construction.map_height_limit, &_cheats.edit_max_hl.been_used,       &ClickChangeMaxHlCheat     },
+	{CNM_LOCAL_ONLY, SLE_INT32,       STR_CHEAT_CHANGE_DATE,      &_cur_date_ymd.year,                           &_cheats.change_date.been_used,            &ClickChangeDateCheat      },
+	{CNM_ALL,        SLF_NOT_IN_SAVE, STR_CHEAT_INFLATION_COST,   &_economy.inflation_prices,                    &_extra_cheats.inflation_cost.been_used,   nullptr                    },
+	{CNM_ALL,        SLF_NOT_IN_SAVE, STR_CHEAT_INFLATION_INCOME, &_economy.inflation_payment,                   &_extra_cheats.inflation_income.been_used, nullptr                    },
 };

 static bool IsCheatAllowed(CheatNetworkMode mode)
--- a/src/genworld.cpp
+++ b/src/genworld.cpp
@@ -33,6 +33,7 @@
 #include "game/game_instance.hpp"
 #include "string_func.h"
 #include "thread.h"
+#include "tgp.h"

 #include "safeguards.h"

@@ -123,6 +124,9 @@ static void _GenerateWorld()

 			ConvertGroundTilesIntoWaterTiles();
 			IncreaseGeneratingWorldProgress(GWP_OBJECT);
+
+			_settings_game.game_creation.snow_line_height = DEF_SNOWLINE_HEIGHT;
+			UpdateCachedSnowLine();
 		} else {
 			GenerateLandscape(_gw.mode);
 			GenerateClearTile();
@@ -288,6 +292,22 @@ void GenerateWorld(GenWorldMode mode, uint size_x, uint size_y, bool reset_setti
 	InitializeGame(_gw.size_x, _gw.size_y, true, reset_settings);
 	PrepareGenerateWorldProgress();

+	if (_settings_game.construction.map_height_limit == 0) {
+		uint estimated_height = 0;
+
+		if (_gw.mode == GWM_EMPTY && _game_mode != GM_MENU) {
+			estimated_height = _settings_game.game_creation.se_flat_world_height;
+		} else if (_gw.mode == GWM_HEIGHTMAP) {
+			estimated_height = _settings_game.game_creation.heightmap_height;
+		} else if (_settings_game.game_creation.land_generator == LG_TERRAGENESIS) {
+			estimated_height = GetEstimationTGPMapHeight();
+		} else {
+			estimated_height = 0;
+		}
+
+		_settings_game.construction.map_height_limit = std::max(MAP_HEIGHT_LIMIT_AUTO_MINIMUM, std::min(MAX_MAP_HEIGHT_LIMIT, estimated_height + MAP_HEIGHT_LIMIT_AUTO_CEILING_ROOM));
+	}
+
 	/* Load the right landscape stuff, and the NewGRFs! */
 	GfxLoadSprites();
 	LoadStringWidthTable();
--- a/src/genworld.h
+++ b/src/genworld.h
@@ -45,10 +45,15 @@ enum TgenSmoothness {
 	TGEN_SMOOTHNESS_END,        ///< Used to iterate.
 };

+static const uint CUSTOM_TERRAIN_TYPE_NUMBER_DIFFICULTY = 5; ///< Value for custom terrain type in difficulty settings.
+
 static const uint CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY = 4; ///< Value for custom sea level in difficulty settings.
 static const uint CUSTOM_SEA_LEVEL_MIN_PERCENTAGE = 1;    ///< Minimum percentage a user can specify for custom sea level.
 static const uint CUSTOM_SEA_LEVEL_MAX_PERCENTAGE = 90;   ///< Maximum percentage a user can specify for custom sea level.

+static const uint MAP_HEIGHT_LIMIT_AUTO_MINIMUM = 30; ///< When map height limit is auto, make this the lowest possible map height limit.
+static const uint MAP_HEIGHT_LIMIT_AUTO_CEILING_ROOM = 15; ///< When map height limit is auto, the map height limit will be the higest peak plus this value.
+
 typedef void GWDoneProc();  ///< Procedure called when the genworld process finishes
 typedef void GWAbortProc(); ///< Called when genworld is aborted

--- a/src/genworld_gui.cpp
+++ b/src/genworld_gui.cpp
@@ -46,6 +46,15 @@ enum GenerateLandscapeWindowMode {
 	GLWM_SCENARIO,  ///< Generate flat land.
 };

+/**
+ * Get the map height limit, or if set to "auto", the absolute limit.
+ */
+static uint GetMapHeightLimit()
+{
+	if (_settings_newgame.construction.map_height_limit == 0) return MAX_MAP_HEIGHT_LIMIT;
+	return _settings_newgame.construction.map_height_limit;
+}
+
 /**
 * Changes landscape type and sets genworld window dirty
 * @param landscape new landscape type
@@ -111,8 +120,9 @@ static const NWidgetPart _nested_generate_landscape_widgets[] = {
 			NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
 				NWidget(NWID_HORIZONTAL), SetPIP(0, 3, 0),
 					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
-						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_MAX_HEIGHTLEVEL, STR_NULL), SetFill(1, 1),
-						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_LEVEL_SEL_1),
+						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_LABEL),
+							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SNOW_COVERAGE, STR_NULL), SetFill(1, 1),
+							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DESERT_COVERAGE, STR_NULL), SetFill(1, 1),
 							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SNOW_LINE_HEIGHT, STR_NULL), SetFill(1, 1),
 							NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_RAINFOREST_LINE_HEIGHT, STR_NULL), SetFill(1, 1),
 						EndContainer(),
@@ -122,13 +132,19 @@ static const NWidgetPart _nested_generate_landscape_widgets[] = {
 						NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_GAME_OPTIONS_TOWN_NAMES_FRAME, STR_NULL), SetFill(1, 1),
 					EndContainer(),
 					NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
-						/* Max. heightlevel. */
-						NWidget(NWID_HORIZONTAL),
-							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_MAX_HEIGHTLEVEL_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN), SetFill(0, 1),
-							NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_MAX_HEIGHTLEVEL_TEXT), SetDataTip(STR_BLACK_INT, STR_NULL), SetFill(1, 0),
-							NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_MAX_HEIGHTLEVEL_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_MAX_HEIGHTLEVEL_UP), SetFill(0, 1),
-						EndContainer(),
-						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_LEVEL_SEL_2),
+						NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_SELECTOR),
+							/* Snow coverage. */
+							NWidget(NWID_HORIZONTAL),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_SNOW_COVERAGE_DOWN), SetFill(0, 1),
+								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_SNOW_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_SNOW_COVERAGE_UP), SetFill(0, 1),
+							EndContainer(),
+							/* Desert coverage. */
+							NWidget(NWID_HORIZONTAL),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_DESERT_COVERAGE_DOWN), SetFill(0, 1),
+								NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_DESERT_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
+								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_DESERT_COVERAGE_UP), SetFill(0, 1),
+							EndContainer(),
 							/* Snow line. */
 							NWidget(NWID_HORIZONTAL),
 								NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_LEVEL_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_SNOW_LINE_DOWN), SetFill(0, 1),
@@ -239,8 +255,10 @@ static const NWidgetPart _nested_heightmap_load_widgets[] = {
 					NWidget(NWID_VERTICAL), SetPIP(0, 4, 0),
 						NWidget(NWID_HORIZONTAL), SetPIP(0, 3, 0),
 							NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
-								NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_MAX_HEIGHTLEVEL, STR_NULL), SetFill(1, 1),
-								NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_LEVEL_SEL_1),
+								NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_HEIGHTMAP_HEIGHT, STR_NULL), SetFill(1, 1),
+								NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_LABEL),
+									NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SNOW_COVERAGE, STR_NULL), SetFill(1, 1),
+									NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_DESERT_COVERAGE, STR_NULL), SetFill(1, 1),
 									NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SNOW_LINE_HEIGHT, STR_NULL), SetFill(1, 1),
 									NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_RAINFOREST_LINE_HEIGHT, STR_NULL), SetFill(1, 1),
 								EndContainer(),
@@ -249,11 +267,21 @@ static const NWidgetPart _nested_heightmap_load_widgets[] = {
 							EndContainer(),
 							NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(0, 4, 0),
 								NWidget(NWID_HORIZONTAL),
-									NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_MAX_HEIGHTLEVEL_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN), SetFill(0, 1),
-									NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_MAX_HEIGHTLEVEL_TEXT), SetDataTip(STR_BLACK_INT, STR_NULL), SetFill(1, 0),
-									NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_MAX_HEIGHTLEVEL_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_MAX_HEIGHTLEVEL_UP), SetFill(0, 1),
+									NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_HEIGHT_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_HEIGHTMAP_HEIGHT_DOWN), SetFill(0, 1),
+									NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_HEIGHT_TEXT), SetDataTip(STR_BLACK_INT, STR_NULL), SetFill(1, 0),
+									NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_HEIGHTMAP_HEIGHT_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_HEIGHTMAP_HEIGHT_UP), SetFill(0, 1),
 								EndContainer(),
-								NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_LEVEL_SEL_2),
+								NWidget(NWID_SELECTION, INVALID_COLOUR, WID_GL_CLIMATE_SEL_SELECTOR),
+									NWidget(NWID_HORIZONTAL),
+										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_SNOW_COVERAGE_DOWN), SetFill(0, 1),
+										NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_SNOW_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
+										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_SNOW_COVERAGE_UP), SetFill(0, 1),
+									EndContainer(),
+									NWidget(NWID_HORIZONTAL),
+										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_DESERT_COVERAGE_DOWN), SetFill(0, 1),
+										NWidget(WWT_TEXTBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_TEXT), SetDataTip(STR_MAPGEN_DESERT_COVERAGE_TEXT, STR_NULL), SetFill(1, 0),
+										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_DESERT_COVERAGE_UP), SetDataTip(SPR_ARROW_UP, STR_MAPGEN_DESERT_COVERAGE_UP), SetFill(0, 1),
+									EndContainer(),
 									/* Snow line. */
 									NWidget(NWID_HORIZONTAL),
 										NWidget(WWT_IMGBTN, COLOUR_ORANGE, WID_GL_SNOW_LEVEL_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_MAPGEN_SNOW_LINE_DOWN), SetFill(0, 1),
@@ -373,7 +401,7 @@ static DropDownList BuildTownNameDropDown()
 }


-static const StringID _elevations[]  = {STR_TERRAIN_TYPE_VERY_FLAT, STR_TERRAIN_TYPE_FLAT, STR_TERRAIN_TYPE_HILLY, STR_TERRAIN_TYPE_MOUNTAINOUS, STR_TERRAIN_TYPE_ALPINIST, INVALID_STRING_ID};
+static const StringID _elevations[]  = {STR_TERRAIN_TYPE_VERY_FLAT, STR_TERRAIN_TYPE_FLAT, STR_TERRAIN_TYPE_HILLY, STR_TERRAIN_TYPE_MOUNTAINOUS, STR_TERRAIN_TYPE_ALPINIST, STR_TERRAIN_TYPE_CUSTOM, INVALID_STRING_ID};
 static const StringID _sea_lakes[]   = {STR_SEA_LEVEL_VERY_LOW, STR_SEA_LEVEL_LOW, STR_SEA_LEVEL_MEDIUM, STR_SEA_LEVEL_HIGH, STR_SEA_LEVEL_CUSTOM, INVALID_STRING_ID};
 static const StringID _rivers[]      = {STR_RIVERS_NONE, STR_RIVERS_FEW, STR_RIVERS_MODERATE, STR_RIVERS_LOT, STR_RIVERS_VERY_MANY, STR_RIVERS_EXTREMELY_MANY, INVALID_STRING_ID};
 static const StringID _smoothness[]  = {STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_VERY_SMOOTH, STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_SMOOTH, STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_ROUGH, STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_VERY_ROUGH, INVALID_STRING_ID};
@@ -414,6 +442,10 @@ struct GenerateLandscapeWindow : public Window {
 		this->SetWidgetDisabledState(WID_GL_TOWN_PULLDOWN,     _game_mode == GM_EDITOR);
 		this->SetWidgetDisabledState(WID_GL_INDUSTRY_PULLDOWN, _game_mode == GM_EDITOR);

+		/* In case the map_height_limit is changed, clamp heightmap_height and custom_terrain_type. */
+		_settings_newgame.game_creation.heightmap_height = Clamp(_settings_newgame.game_creation.heightmap_height, MIN_HEIGHTMAP_HEIGHT, GetMapHeightLimit());
+		_settings_newgame.game_creation.custom_terrain_type = Clamp(_settings_newgame.game_creation.custom_terrain_type, MIN_CUSTOM_TERRAIN_TYPE, GetMapHeightLimit());
+
 		this->OnInvalidateData();
 	}

@@ -424,7 +456,9 @@ struct GenerateLandscapeWindow : public Window {
 			case WID_GL_START_DATE_TEXT:      SetDParam(0, ConvertYMDToDate(_settings_newgame.game_creation.starting_year, 0, 1)); break;
 			case WID_GL_MAPSIZE_X_PULLDOWN:   SetDParam(0, 1LL << _settings_newgame.game_creation.map_x); break;
 			case WID_GL_MAPSIZE_Y_PULLDOWN:   SetDParam(0, 1LL << _settings_newgame.game_creation.map_y); break;
-			case WID_GL_MAX_HEIGHTLEVEL_TEXT: SetDParam(0, _settings_newgame.construction.max_heightlevel); break;
+			case WID_GL_HEIGHTMAP_HEIGHT_TEXT: SetDParam(0, _settings_newgame.game_creation.heightmap_height); break;
+			case WID_GL_SNOW_COVERAGE_TEXT:   SetDParam(0, _settings_newgame.game_creation.snow_coverage); break;
+			case WID_GL_DESERT_COVERAGE_TEXT: SetDParam(0, _settings_newgame.game_creation.desert_coverage); break;
 			case WID_GL_SNOW_LEVEL_TEXT:      SetDParam(0, _settings_newgame.game_creation.snow_line_height); break;
 			case WID_GL_RAINFOREST_LEVEL_TEXT:SetDParam(0, _settings_newgame.game_creation.rainforest_line_height); break;

@@ -450,7 +484,14 @@ struct GenerateLandscapeWindow : public Window {

 			case WID_GL_INDUSTRY_PULLDOWN:   SetDParam(0, _game_mode == GM_EDITOR ? STR_CONFIG_SETTING_OFF : _num_inds[_settings_newgame.difficulty.industry_density]); break;
 			case WID_GL_LANDSCAPE_PULLDOWN:  SetDParam(0, _landscape[_settings_newgame.game_creation.land_generator]); break;
-			case WID_GL_TERRAIN_PULLDOWN:    SetDParam(0, _elevations[_settings_newgame.difficulty.terrain_type]); break;
+			case WID_GL_TERRAIN_PULLDOWN:
+				if (_settings_newgame.difficulty.terrain_type == CUSTOM_TERRAIN_TYPE_NUMBER_DIFFICULTY) {
+					SetDParam(0, STR_TERRAIN_TYPE_CUSTOM_VALUE);
+					SetDParam(1, _settings_newgame.game_creation.custom_terrain_type);
+				} else {
+					SetDParam(0, _elevations[_settings_newgame.difficulty.terrain_type]); break;
+				}
+				break;

 			case WID_GL_WATER_PULLDOWN:
 				if (_settings_newgame.difficulty.quantity_sea_lakes == CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY) {
@@ -517,38 +558,57 @@ struct GenerateLandscapeWindow : public Window {
 		}

 		/* Disable snowline if not arctic */
-		this->SetWidgetDisabledState(WID_GL_SNOW_LEVEL_TEXT, _settings_newgame.game_creation.landscape != LT_ARCTIC);
-		/* Disable rainforest line if not tropic */
-		this->SetWidgetDisabledState(WID_GL_RAINFOREST_LEVEL_TEXT, _settings_newgame.game_creation.landscape != LT_TROPIC);
+		this->SetWidgetDisabledState(WID_GL_SNOW_COVERAGE_TEXT, _settings_newgame.game_creation.landscape != LT_ARCTIC || _settings_newgame.game_creation.climate_threshold_mode != 0);
+		this->SetWidgetDisabledState(WID_GL_SNOW_LEVEL_TEXT, _settings_newgame.game_creation.landscape != LT_ARCTIC || _settings_newgame.game_creation.climate_threshold_mode == 0);
+		/* Disable desert if not tropic */
+		this->SetWidgetDisabledState(WID_GL_DESERT_COVERAGE_TEXT, _settings_newgame.game_creation.landscape != LT_TROPIC || _settings_newgame.game_creation.climate_threshold_mode != 0);
+		this->SetWidgetDisabledState(WID_GL_RAINFOREST_LEVEL_TEXT, _settings_newgame.game_creation.landscape != LT_TROPIC || _settings_newgame.game_creation.climate_threshold_mode == 0);

 		/* Set snow/rainforest selections */
-		int snow_rainforest_plane = _settings_newgame.game_creation.landscape == LT_TROPIC ? 1 : 0;
-		this->GetWidget<NWidgetStacked>(WID_GL_LEVEL_SEL_1)->SetDisplayedPlane(snow_rainforest_plane);
-		this->GetWidget<NWidgetStacked>(WID_GL_LEVEL_SEL_2)->SetDisplayedPlane(snow_rainforest_plane);
+		int climate_plane = 0;
+		switch (_settings_newgame.game_creation.landscape) {
+			case LT_TEMPERATE: climate_plane = SZSP_VERTICAL; break;
+			case LT_ARCTIC:    climate_plane = _settings_newgame.game_creation.climate_threshold_mode ? 2 : 0; break;
+			case LT_TROPIC:    climate_plane = _settings_newgame.game_creation.climate_threshold_mode ? 3 : 1; break;
+			case LT_TOYLAND:   climate_plane = SZSP_VERTICAL; break;
+		}
+		this->GetWidget<NWidgetStacked>(WID_GL_CLIMATE_SEL_LABEL)->SetDisplayedPlane(climate_plane);
+		this->GetWidget<NWidgetStacked>(WID_GL_CLIMATE_SEL_SELECTOR)->SetDisplayedPlane(climate_plane);

 		/* Update availability of decreasing / increasing start date and snow level */
-		this->SetWidgetDisabledState(WID_GL_MAX_HEIGHTLEVEL_DOWN, _settings_newgame.construction.max_heightlevel <= MIN_MAX_HEIGHTLEVEL);
-		this->SetWidgetDisabledState(WID_GL_MAX_HEIGHTLEVEL_UP, _settings_newgame.construction.max_heightlevel >= MAX_MAX_HEIGHTLEVEL);
+		if (mode == GLWM_HEIGHTMAP) {
+			this->SetWidgetDisabledState(WID_GL_HEIGHTMAP_HEIGHT_DOWN, _settings_newgame.game_creation.heightmap_height <= MIN_HEIGHTMAP_HEIGHT);
+			this->SetWidgetDisabledState(WID_GL_HEIGHTMAP_HEIGHT_UP, _settings_newgame.game_creation.heightmap_height >= GetMapHeightLimit());
+		}
 		this->SetWidgetDisabledState(WID_GL_START_DATE_DOWN, _settings_newgame.game_creation.starting_year <= MIN_YEAR);
 		this->SetWidgetDisabledState(WID_GL_START_DATE_UP,   _settings_newgame.game_creation.starting_year >= MAX_YEAR);
+		this->SetWidgetDisabledState(WID_GL_SNOW_COVERAGE_DOWN, _settings_newgame.game_creation.snow_coverage <= 0 || _settings_newgame.game_creation.landscape != LT_ARCTIC);
+		this->SetWidgetDisabledState(WID_GL_SNOW_COVERAGE_UP,   _settings_newgame.game_creation.snow_coverage >= 100 || _settings_newgame.game_creation.landscape != LT_ARCTIC);
+		this->SetWidgetDisabledState(WID_GL_DESERT_COVERAGE_DOWN, _settings_newgame.game_creation.desert_coverage <= 0 || _settings_newgame.game_creation.landscape != LT_TROPIC);
+		this->SetWidgetDisabledState(WID_GL_DESERT_COVERAGE_UP,   _settings_newgame.game_creation.desert_coverage >= 100 || _settings_newgame.game_creation.landscape != LT_TROPIC);
 		this->SetWidgetDisabledState(WID_GL_SNOW_LEVEL_DOWN, _settings_newgame.game_creation.snow_line_height <= MIN_SNOWLINE_HEIGHT || _settings_newgame.game_creation.landscape != LT_ARCTIC);
 		this->SetWidgetDisabledState(WID_GL_SNOW_LEVEL_UP,   _settings_newgame.game_creation.snow_line_height >= MAX_SNOWLINE_HEIGHT || _settings_newgame.game_creation.landscape != LT_ARCTIC);
 		this->SetWidgetDisabledState(WID_GL_RAINFOREST_LEVEL_DOWN, _settings_newgame.game_creation.rainforest_line_height <= MIN_RAINFOREST_HEIGHT || _settings_newgame.game_creation.landscape != LT_TROPIC);
 		this->SetWidgetDisabledState(WID_GL_RAINFOREST_LEVEL_UP,   _settings_newgame.game_creation.rainforest_line_height >= MAX_RAINFOREST_HEIGHT || _settings_newgame.game_creation.landscape != LT_TROPIC);

-		/* Do not allow a custom sea level with the original land generator. */
-		if (_settings_newgame.game_creation.land_generator == LG_ORIGINAL &&
-				_settings_newgame.difficulty.quantity_sea_lakes == CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY) {
-			_settings_newgame.difficulty.quantity_sea_lakes = CUSTOM_SEA_LEVEL_MIN_PERCENTAGE;
+		/* Do not allow a custom sea level or terrain type with the original land generator. */
+		if (_settings_newgame.game_creation.land_generator == LG_ORIGINAL) {
+			if (_settings_newgame.difficulty.quantity_sea_lakes == CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY) {
+				_settings_newgame.difficulty.quantity_sea_lakes = CUSTOM_SEA_LEVEL_MIN_PERCENTAGE;
+			}
+			if (_settings_newgame.difficulty.terrain_type == CUSTOM_TERRAIN_TYPE_NUMBER_DIFFICULTY) {
+				_settings_newgame.difficulty.terrain_type = 1;
+			}
 		}

+		this->SetDirty();
 	}

 	void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override
 	{
 		const StringID *strs = nullptr;
 		switch (widget) {
-			case WID_GL_MAX_HEIGHTLEVEL_TEXT:
+			case WID_GL_HEIGHTMAP_HEIGHT_TEXT:
 				SetDParam(0, MAX_TILE_HEIGHT);
 				*size = GetStringBoundingBox(STR_JUST_INT);
 				break;
@@ -564,6 +624,16 @@ struct GenerateLandscapeWindow : public Window {
 				*size = maxdim(*size, GetStringBoundingBox(STR_JUST_INT));
 				break;

+			case WID_GL_SNOW_COVERAGE_TEXT:
+				SetDParamMaxValue(0, MAX_TILE_HEIGHT);
+				*size = maxdim(*size, GetStringBoundingBox(STR_MAPGEN_SNOW_COVERAGE_TEXT));
+				break;
+
+			case WID_GL_DESERT_COVERAGE_TEXT:
+				SetDParamMaxValue(0, MAX_TILE_HEIGHT);
+				*size = maxdim(*size, GetStringBoundingBox(STR_MAPGEN_DESERT_COVERAGE_TEXT));
+				break;
+
 			case WID_GL_SNOW_LEVEL_TEXT:
 				SetDParamMaxValue(0, MAX_TILE_HEIGHT);
 				*size = maxdim(*size, GetStringBoundingBox(STR_JUST_INT));
@@ -588,7 +658,13 @@ struct GenerateLandscapeWindow : public Window {

 			case WID_GL_INDUSTRY_PULLDOWN:   strs = _num_inds; break;
 			case WID_GL_LANDSCAPE_PULLDOWN:  strs = _landscape; break;
-			case WID_GL_TERRAIN_PULLDOWN:    strs = _elevations; break;
+
+			case WID_GL_TERRAIN_PULLDOWN:
+				strs = _elevations;
+				SetDParamMaxValue(0, MAX_MAP_HEIGHT_LIMIT);
+				*size = maxdim(*size, GetStringBoundingBox(STR_TERRAIN_TYPE_CUSTOM_VALUE));
+				break;
+
 			case WID_GL_WATER_PULLDOWN:
 				strs = _sea_lakes;
 				SetDParamMaxValue(0, CUSTOM_SEA_LEVEL_MAX_PERCENTAGE);
@@ -694,22 +770,22 @@ struct GenerateLandscapeWindow : public Window {
 				break;
 			}

-			case WID_GL_MAX_HEIGHTLEVEL_DOWN:
-			case WID_GL_MAX_HEIGHTLEVEL_UP: // Height level buttons
+			case WID_GL_HEIGHTMAP_HEIGHT_DOWN:
+			case WID_GL_HEIGHTMAP_HEIGHT_UP: // Height level buttons
 				/* Don't allow too fast scrolling */
 				if (!(this->flags & WF_TIMEOUT) || this->timeout_timer <= 1) {
 					this->HandleButtonClick(widget);

-					_settings_newgame.construction.max_heightlevel = Clamp(_settings_newgame.construction.max_heightlevel + widget - WID_GL_MAX_HEIGHTLEVEL_TEXT, MIN_MAX_HEIGHTLEVEL, MAX_MAX_HEIGHTLEVEL);
+					_settings_newgame.game_creation.heightmap_height = Clamp(_settings_newgame.game_creation.heightmap_height + widget - WID_GL_HEIGHTMAP_HEIGHT_TEXT, MIN_HEIGHTMAP_HEIGHT, GetMapHeightLimit());
 					this->InvalidateData();
 				}
 				_left_button_clicked = false;
 				break;

-			case WID_GL_MAX_HEIGHTLEVEL_TEXT: // Height level text
-				this->widget_id = WID_GL_MAX_HEIGHTLEVEL_TEXT;
-				SetDParam(0, _settings_newgame.construction.max_heightlevel);
-				ShowQueryString(STR_JUST_INT, STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT, 4, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
+			case WID_GL_HEIGHTMAP_HEIGHT_TEXT: // Height level text
+				this->widget_id = WID_GL_HEIGHTMAP_HEIGHT_TEXT;
+				SetDParam(0, _settings_newgame.game_creation.heightmap_height);
+				ShowQueryString(STR_JUST_INT, STR_MAPGEN_HEIGHTMAP_HEIGHT_QUERY_CAPT, 4, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
 				break;


@@ -731,6 +807,42 @@ struct GenerateLandscapeWindow : public Window {
 				ShowQueryString(STR_JUST_INT, STR_MAPGEN_START_DATE_QUERY_CAPT, 8, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
 				break;

+			case WID_GL_SNOW_COVERAGE_DOWN:
+			case WID_GL_SNOW_COVERAGE_UP: // Snow coverage buttons
+				/* Don't allow too fast scrolling */
+				if (!(this->flags & WF_TIMEOUT) || this->timeout_timer <= 1) {
+					this->HandleButtonClick(widget);
+
+					_settings_newgame.game_creation.snow_coverage = Clamp(_settings_newgame.game_creation.snow_coverage + (widget - WID_GL_SNOW_COVERAGE_TEXT) * 10, 0, 100);
+					this->InvalidateData();
+				}
+				_left_button_clicked = false;
+				break;
+
+			case WID_GL_SNOW_COVERAGE_TEXT: // Snow coverage text
+				this->widget_id = WID_GL_SNOW_COVERAGE_TEXT;
+				SetDParam(0, _settings_newgame.game_creation.snow_coverage);
+				ShowQueryString(STR_JUST_INT, STR_MAPGEN_SNOW_COVERAGE_QUERY_CAPT, 4, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
+				break;
+
+			case WID_GL_DESERT_COVERAGE_DOWN:
+			case WID_GL_DESERT_COVERAGE_UP: // Desert coverage buttons
+				/* Don't allow too fast scrolling */
+				if (!(this->flags & WF_TIMEOUT) || this->timeout_timer <= 1) {
+					this->HandleButtonClick(widget);
+
+					_settings_newgame.game_creation.desert_coverage = Clamp(_settings_newgame.game_creation.desert_coverage + (widget - WID_GL_DESERT_COVERAGE_TEXT) * 10, 0, 100);
+					this->InvalidateData();
+				}
+				_left_button_clicked = false;
+				break;
+
+			case WID_GL_DESERT_COVERAGE_TEXT: // Desert line text
+				this->widget_id = WID_GL_DESERT_COVERAGE_TEXT;
+				SetDParam(0, _settings_newgame.game_creation.desert_coverage);
+				ShowQueryString(STR_JUST_INT, STR_MAPGEN_DESERT_COVERAGE_QUERY_CAPT, 4, this, CS_NUMERAL, QSF_ENABLE_DEFAULT);
+				break;
+
 			case WID_GL_SNOW_LEVEL_DOWN:
 			case WID_GL_SNOW_LEVEL_UP: // Snow line buttons
 				/* Don't allow too fast scrolling */
@@ -832,8 +944,12 @@ struct GenerateLandscapeWindow : public Window {

 	void OnTimeout() override
 	{
-		static const int raise_widgets[] = {WID_GL_MAX_HEIGHTLEVEL_DOWN, WID_GL_MAX_HEIGHTLEVEL_UP, WID_GL_START_DATE_DOWN, WID_GL_START_DATE_UP, WID_GL_SNOW_LEVEL_UP, WID_GL_SNOW_LEVEL_DOWN, WID_GL_RAINFOREST_LEVEL_UP, WID_GL_RAINFOREST_LEVEL_DOWN, WIDGET_LIST_END};
-		for (const int *widget = raise_widgets; *widget != WIDGET_LIST_END; widget++) {
+		static const int newgame_raise_widgets[] = {WID_GL_START_DATE_DOWN, WID_GL_START_DATE_UP, WID_GL_SNOW_COVERAGE_UP, WID_GL_SNOW_COVERAGE_DOWN, WID_GL_DESERT_COVERAGE_UP, WID_GL_DESERT_COVERAGE_DOWN, WID_GL_SNOW_LEVEL_UP, WID_GL_SNOW_LEVEL_DOWN, WID_GL_RAINFOREST_LEVEL_UP, WID_GL_RAINFOREST_LEVEL_DOWN, WIDGET_LIST_END};
+		static const int heightmap_raise_widgets[] = {WID_GL_HEIGHTMAP_HEIGHT_DOWN, WID_GL_HEIGHTMAP_HEIGHT_UP, WID_GL_START_DATE_DOWN, WID_GL_START_DATE_UP, WID_GL_SNOW_COVERAGE_UP, WID_GL_SNOW_COVERAGE_DOWN, WID_GL_DESERT_COVERAGE_UP, WID_GL_DESERT_COVERAGE_DOWN, WID_GL_SNOW_LEVEL_UP, WID_GL_SNOW_LEVEL_DOWN, WID_GL_RAINFOREST_LEVEL_UP, WID_GL_RAINFOREST_LEVEL_DOWN, WIDGET_LIST_END};
+
+		const int *widget = (mode == GLWM_HEIGHTMAP) ? heightmap_raise_widgets : newgame_raise_widgets;
+
+		for (; *widget != WIDGET_LIST_END; widget++) {
 			if (this->IsWidgetLowered(*widget)) {
 				this->RaiseWidget(*widget);
 				this->SetWidgetDirty(*widget);
@@ -882,7 +998,15 @@ struct GenerateLandscapeWindow : public Window {
 				break;

 			case WID_GL_INDUSTRY_PULLDOWN: _settings_newgame.difficulty.industry_density = index; break;
-			case WID_GL_TERRAIN_PULLDOWN:  _settings_newgame.difficulty.terrain_type     = index; break;
+			case WID_GL_TERRAIN_PULLDOWN: {
+				if ((uint)index == CUSTOM_TERRAIN_TYPE_NUMBER_DIFFICULTY) {
+					this->widget_id = widget;
+					SetDParam(0, _settings_newgame.game_creation.custom_terrain_type);
+					ShowQueryString(STR_JUST_INT, STR_MAPGEN_TERRAIN_TYPE_QUERY_CAPT, 4, this, CS_NUMERAL, QSF_NONE);
+				}
+				_settings_newgame.difficulty.terrain_type = index;
+				break;
+			}

 			case WID_GL_WATER_PULLDOWN: {
 				if ((uint)index == CUSTOM_SEA_LEVEL_NUMBER_DIFFICULTY) {
@@ -908,20 +1032,23 @@ struct GenerateLandscapeWindow : public Window {
 		} else {
 			/* An empty string means revert to the default */
 			switch (this->widget_id) {
-				case WID_GL_MAX_HEIGHTLEVEL_TEXT: value = DEF_MAX_HEIGHTLEVEL; break;
+				case WID_GL_HEIGHTMAP_HEIGHT_TEXT: value = MAP_HEIGHT_LIMIT_AUTO_MINIMUM; break;
 				case WID_GL_START_DATE_TEXT: value = DEF_START_YEAR; break;
+				case WID_GL_SNOW_COVERAGE_TEXT: value = DEF_SNOW_COVERAGE; break;
+				case WID_GL_DESERT_COVERAGE_TEXT: value = DEF_DESERT_COVERAGE; break;
+				case WID_GL_TOWN_PULLDOWN: value = 1; break;
+				case WID_GL_TERRAIN_PULLDOWN: value = MIN_MAP_HEIGHT_LIMIT; break;
+				case WID_GL_WATER_PULLDOWN: value = CUSTOM_SEA_LEVEL_MIN_PERCENTAGE; break;
 				case WID_GL_SNOW_LEVEL_TEXT: value = DEF_SNOWLINE_HEIGHT; break;
 				case WID_GL_RAINFOREST_LEVEL_TEXT: value = DEF_RAINFOREST_HEIGHT; break;
-				case WID_GL_TOWN_PULLDOWN:   value = 1; break;
-				case WID_GL_WATER_PULLDOWN:  value = CUSTOM_SEA_LEVEL_MIN_PERCENTAGE; break;
 				default: NOT_REACHED();
 			}
 		}

 		switch (this->widget_id) {
-			case WID_GL_MAX_HEIGHTLEVEL_TEXT:
-				this->SetWidgetDirty(WID_GL_MAX_HEIGHTLEVEL_TEXT);
-				_settings_newgame.construction.max_heightlevel = Clamp(value, MIN_MAX_HEIGHTLEVEL, MAX_MAX_HEIGHTLEVEL);
+			case WID_GL_HEIGHTMAP_HEIGHT_TEXT:
+				this->SetWidgetDirty(WID_GL_HEIGHTMAP_HEIGHT_TEXT);
+				_settings_newgame.game_creation.heightmap_height = Clamp(value, MIN_HEIGHTMAP_HEIGHT, GetMapHeightLimit());
 				break;

 			case WID_GL_START_DATE_TEXT:
@@ -929,6 +1056,16 @@ struct GenerateLandscapeWindow : public Window {
 				_settings_newgame.game_creation.starting_year = Clamp(value, MIN_YEAR, MAX_YEAR);
 				break;

+			case WID_GL_SNOW_COVERAGE_TEXT:
+				this->SetWidgetDirty(WID_GL_SNOW_COVERAGE_TEXT);
+				_settings_newgame.game_creation.snow_coverage = Clamp(value, 0, 100);
+				break;
+
+			case WID_GL_DESERT_COVERAGE_TEXT:
+				this->SetWidgetDirty(WID_GL_DESERT_COVERAGE_TEXT);
+				_settings_newgame.game_creation.desert_coverage = Clamp(value, 0, 100);
+				break;
+
 			case WID_GL_SNOW_LEVEL_TEXT:
 				this->SetWidgetDirty(WID_GL_SNOW_LEVEL_TEXT);
 				_settings_newgame.game_creation.snow_line_height = Clamp(value, MIN_SNOWLINE_HEIGHT, MAX_SNOWLINE_HEIGHT);
@@ -943,6 +1080,10 @@ struct GenerateLandscapeWindow : public Window {
 				_settings_newgame.game_creation.custom_town_number = Clamp(value, 1, CUSTOM_TOWN_MAX_NUMBER);
 				break;

+			case WID_GL_TERRAIN_PULLDOWN:
+				_settings_newgame.game_creation.custom_terrain_type = Clamp(value, MIN_CUSTOM_TERRAIN_TYPE, GetMapHeightLimit());
+				break;
+
 			case WID_GL_WATER_PULLDOWN:
 				_settings_newgame.game_creation.custom_sea_level = Clamp(value, CUSTOM_SEA_LEVEL_MIN_PERCENTAGE, CUSTOM_SEA_LEVEL_MAX_PERCENTAGE);
 				break;
@@ -1068,7 +1209,7 @@ struct CreateScenarioWindow : public Window
 		this->SetWidgetDisabledState(WID_CS_START_DATE_DOWN,       _settings_newgame.game_creation.starting_year <= MIN_YEAR);
 		this->SetWidgetDisabledState(WID_CS_START_DATE_UP,         _settings_newgame.game_creation.starting_year >= MAX_YEAR);
 		this->SetWidgetDisabledState(WID_CS_FLAT_LAND_HEIGHT_DOWN, _settings_newgame.game_creation.se_flat_world_height <= 0);
-		this->SetWidgetDisabledState(WID_CS_FLAT_LAND_HEIGHT_UP,   _settings_newgame.game_creation.se_flat_world_height >= MAX_TILE_HEIGHT);
+		this->SetWidgetDisabledState(WID_CS_FLAT_LAND_HEIGHT_UP,   _settings_newgame.game_creation.se_flat_world_height >= GetMapHeightLimit());

 		this->SetWidgetLoweredState(WID_CS_TEMPERATE, _settings_newgame.game_creation.landscape == LT_TEMPERATE);
 		this->SetWidgetLoweredState(WID_CS_ARCTIC,    _settings_newgame.game_creation.landscape == LT_ARCTIC);
@@ -1158,7 +1299,7 @@ struct CreateScenarioWindow : public Window
 					this->HandleButtonClick(widget);
 					this->SetDirty();

-					_settings_newgame.game_creation.se_flat_world_height = Clamp(_settings_newgame.game_creation.se_flat_world_height + widget - WID_CS_FLAT_LAND_HEIGHT_TEXT, 0, _settings_game.construction.max_heightlevel);
+					_settings_newgame.game_creation.se_flat_world_height = Clamp(_settings_newgame.game_creation.se_flat_world_height + widget - WID_CS_FLAT_LAND_HEIGHT_TEXT, 0, GetMapHeightLimit());
 				}
 				_left_button_clicked = false;
 				break;
@@ -1206,7 +1347,7 @@ struct CreateScenarioWindow : public Window

 				case WID_CS_FLAT_LAND_HEIGHT_TEXT:
 					this->SetWidgetDirty(WID_CS_FLAT_LAND_HEIGHT_TEXT);
-					_settings_newgame.game_creation.se_flat_world_height = Clamp(value, 0, _settings_game.construction.max_heightlevel);
+					_settings_newgame.game_creation.se_flat_world_height = Clamp(value, 0, GetMapHeightLimit());
 					break;
 			}

--- a/src/heightmap.cpp
+++ b/src/heightmap.cpp
@@ -368,7 +368,7 @@ static void GrayscaleToMapHeights(uint img_width, uint img_height, byte *map)
 					/* 0 is sea level.
 					 * Other grey scales are scaled evenly to the available height levels > 0.
 					 * (The coastline is independent from the number of height levels) */
-					heightmap_height = 1 + (heightmap_height - 1) * _settings_game.construction.max_heightlevel / 255;
+					heightmap_height = 1 + (heightmap_height - 1) * _settings_game.game_creation.heightmap_height / 255;
 				}

 				SetTileHeight(tile, heightmap_height);
--- a/src/landscape.cpp
+++ b/src/landscape.cpp
@@ -35,6 +35,7 @@
 #include "town.h"
 #include "3rdparty/cpp-btree/btree_set.h"
 #include "scope_info.h"
+#include <array>
 #include <list>
 #include <set>
 #include <deque>
@@ -123,7 +124,7 @@ Point InverseRemapCoords2(int x, int y, bool clamp_to_map, bool *clamped)
 		/* Bring the coordinates near to a valid range. At the top we allow a number
 		 * of extra tiles. This is mostly due to the tiles on the north side of
 		 * the map possibly being drawn higher due to the extra height levels. */
-		int extra_tiles = CeilDiv(_settings_game.construction.max_heightlevel * TILE_HEIGHT, TILE_PIXELS);
+		int extra_tiles = CeilDiv(_settings_game.construction.map_height_limit * TILE_HEIGHT, TILE_PIXELS);
 		Point old_pt = pt;
 		pt.x = Clamp(pt.x, -extra_tiles * TILE_SIZE, max_x);
 		pt.y = Clamp(pt.y, -extra_tiles * TILE_SIZE, max_y);
@@ -991,11 +992,10 @@ static void GenerateTerrain(int type, uint flag)

 #include "table/genland.h"

-static void CreateDesertOrRainForest()
+static void CreateDesertOrRainForest(uint desert_tropic_line)
 {
 	TileIndex update_freq = MapSize() / 4;
 	const TileIndexDiffC *data;
-	uint max_desert_height = _settings_game.game_creation.rainforest_line_height;

 	for (TileIndex tile = 0; tile != MapSize(); ++tile) {
 		if ((tile % update_freq) == 0) IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
@@ -1005,7 +1005,7 @@ static void CreateDesertOrRainForest()
 		for (data = _make_desert_or_rainforest_data;
 				data != endof(_make_desert_or_rainforest_data); ++data) {
 			TileIndex t = AddTileIndexDiffCWrap(tile, *data);
-			if (t != INVALID_TILE && (TileHeight(t) >= max_desert_height || IsTileType(t, MP_WATER))) break;
+			if (t != INVALID_TILE && (TileHeight(t) >= desert_tropic_line || IsTileType(t, MP_WATER))) break;
 		}
 		if (data == endof(_make_desert_or_rainforest_data)) {
 			SetTropicZone(tile, TROPICZONE_DESERT);
@@ -1320,6 +1320,120 @@ static void CreateRivers()
 	}
 }

+/**
+ * Calculate what height would be needed to cover N% of the landmass.
+ *
+ * The function allows both snow and desert/tropic line to be calculated. It
+ * tries to find the closests height which covers N% of the landmass; it can
+ * be below or above it.
+ *
+ * Tropic has a mechanism where water and tropic tiles in mountains grow
+ * inside the desert. To better approximate the requested coverage, this is
+ * taken into account via an edge histogram, which tells how many neighbouring
+ * tiles are lower than the tiles of that height. The multiplier indicates how
+ * severe this has to be taken into account.
+ *
+ * @param coverage A value between 0 and 100 indicating a percentage of landmass that should be covered.
+ * @param edge_multiplier How much effect neighbouring tiles that are of a lower height level have on the score.
+ * @return The estimated best height to use to cover N% of the landmass.
+ */
+static uint CalculateCoverageLine(uint coverage, uint edge_multiplier)
+{
+	const DiagDirection neighbour_dir[] = {
+		DIAGDIR_NE,
+		DIAGDIR_SE,
+		DIAGDIR_SW,
+		DIAGDIR_NW,
+	};
+
+	/* Histogram of how many tiles per height level exist. */
+	std::array<int, MAX_TILE_HEIGHT + 1> histogram = {};
+	/* Histogram of how many neighbour tiles are lower than the tiles of the height level. */
+	std::array<int, MAX_TILE_HEIGHT + 1> edge_histogram = {};
+
+	/* Build a histogram of the map height. */
+	for (TileIndex tile = 0; tile < MapSize(); tile++) {
+		uint h = TileHeight(tile);
+		histogram[h]++;
+
+		if (edge_multiplier != 0) {
+			/* Check if any of our neighbours is below us. */
+			for (auto dir : neighbour_dir) {
+				TileIndex neighbour_tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
+				if (IsValidTile(neighbour_tile) && TileHeight(neighbour_tile) < h) {
+					edge_histogram[h]++;
+				}
+			}
+		}
+	}
+
+	/* The amount of land we have is the map size minus the first (sea) layer. */
+	uint land_tiles = MapSizeX() * MapSizeY() - histogram[0];
+	int best_score = land_tiles;
+
+	/* Our goal is the coverage amount of the land-mass. */
+	int goal_tiles = land_tiles * coverage / 100;
+
+	/* We scan from top to bottom. */
+	uint h = MAX_TILE_HEIGHT;
+	uint best_h = h;
+
+	int current_tiles = 0;
+	for (; h > 0; h--) {
+		current_tiles += histogram[h];
+		int current_score = goal_tiles - current_tiles;
+
+		/* Tropic grows from water and mountains into the desert. This is a
+		 * great visual, but it also means we* need to take into account how
+		 * much less desert tiles are being created if we are on this
+		 * height-level. We estimate this based on how many neighbouring
+		 * tiles are below us for a given length, assuming that is where
+		 * tropic is growing from.
+		 */
+		if (edge_multiplier != 0 && h > 1) {
+			/* From water tropic tiles grow for a few tiles land inward. */
+			current_score -= edge_histogram[1] * edge_multiplier;
+			/* Tropic tiles grow into the desert for a few tiles. */
+			current_score -= edge_histogram[h] * edge_multiplier;
+		}
+
+		if (std::abs(current_score) < std::abs(best_score)) {
+			best_score = current_score;
+			best_h = h;
+		}
+
+		/* Always scan all height-levels, as h == 1 might give a better
+		 * score than any before. This is true for example with 0% desert
+		 * coverage. */
+	}
+
+	return best_h;
+}
+
+/**
+ * Calculate the line from which snow begins.
+ */
+static void CalculateSnowLine()
+{
+	if (_settings_game.game_creation.climate_threshold_mode == 0) {
+		/* We do not have snow sprites on coastal tiles, so never allow "1" as height. */
+		_settings_game.game_creation.snow_line_height = std::max(CalculateCoverageLine(_settings_game.game_creation.snow_coverage, 0), 2u);
+	}
+	UpdateCachedSnowLine();
+}
+
+/**
+ * Calculate the line (in height) between desert and tropic.
+ * @return The height of the line between desert and tropic.
+ */
+static uint8 CalculateDesertLine()
+{
+	if (_settings_game.game_creation.climate_threshold_mode != 0) return _settings_game.game_creation.rainforest_line_height;
+
+	/* CalculateCoverageLine() runs from top to bottom, so we need to invert the coverage. */
+	return CalculateCoverageLine(100 - _settings_game.game_creation.desert_coverage, 4);
+}
+
 void GenerateLandscape(byte mode)
 {
 	/** Number of steps of landscape generation */
@@ -1404,7 +1518,20 @@ void GenerateLandscape(byte mode)
 	MarkWholeScreenDirty();
 	IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);

-	if (_settings_game.game_creation.landscape == LT_TROPIC) CreateDesertOrRainForest();
+	switch (_settings_game.game_creation.landscape) {
+		case LT_ARCTIC:
+			CalculateSnowLine();
+			break;
+
+		case LT_TROPIC: {
+			uint desert_tropic_line = CalculateDesertLine();
+			CreateDesertOrRainForest(desert_tropic_line);
+			break;
+		}
+
+		default:
+			break;
+	}

 	CreateRivers();
 }
--- a/src/lang/afrikaans.txt
+++ b/src/lang/afrikaans.txt
@@ -1181,8 +1181,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Skakel rampe aa
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Stadsraad se gesindheid teenoor omgewings-konstruksie: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Kies hoeveel invloed klank en skade aan die omgewing deur maatskappye aan die stadswaardering het en verderde bouwerk in die stad.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksimum kaarthoogte: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Stel die maksimum toegelate berghoogte
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Kan nie die berghoogte verander nie - daar is hoër berge as hierdie op die kaart
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Laat landargitektuur toe onder geboue, spore, ens.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Laat Landargitektuur onder geboue en spore sonder om dit te verwyder
@@ -2791,9 +2789,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Hoev. dorpe:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Hoev. nywerhede:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksimum kaarthoogte
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Verhoog berge met een teël
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Verminder berghoogte met een teël
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Sneeu lyn hoogte:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Beweeg die sneeu lyn een op
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Beweeg die sneeu lyn een af
@@ -2822,7 +2817,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Reliëfk
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Grootte:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Verander maksimum kaarthoogte
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Verander sneeu lyn hoogte
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Verander begin jaar

--- a/src/lang/arabic_egypt.txt
+++ b/src/lang/arabic_egypt.txt
@@ -2371,9 +2371,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}عدد المدن:
 STR_MAPGEN_DATE                                                 :{BLACK}التاريخ:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}عدد المصانع:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK} :أقصى ارتفاع للخريطة
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK} زيادة الارتفاع الأقصى للجبال على الخريطة بواحد
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK} خفض الحد الأقصى للارتفاع الجبال على الخريطة بواحد
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK} ارتفاع خط الثلج
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}ارفع خط الثلج مستوى واحد
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}خفض خط الثلج مستوى واحد
@@ -2402,7 +2399,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}اسم
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}الحجم:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} * {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}تغيير أعلى ارتفاع للخريطة
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}غير مستوى خط الثلج
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}غير سنة البداية

--- a/src/lang/basque.txt
+++ b/src/lang/basque.txt
@@ -2641,7 +2641,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Garaiera
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Tamaina:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Aldatu maparen garaiera maximoa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Elur garaiera aldatu
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Hasierako urtea aldatu

--- a/src/lang/belarusian.txt
+++ b/src/lang/belarusian.txt
@@ -1489,8 +1489,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Пераклю
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Стаўленьне гарадзкой рады да рэструктурызацыі навакольляў: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Выберыце ўзровень шуму й забруджваньня навакольнага асяроддзя кампаніямі, які ўплывае на іх рэйтынґ у гарадах і магчымасьць далейшага будаўніцтва каля гарадоў

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Максімальная вышыня: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Усталёўка максімальна дапушчальнай вышыні гор на мапе
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Немагчыма зьмяніць максімальную вышыню. На мапе ёсць горы вышэй гэтага значэньня.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Дазволіць зьмену ляндшафту пад будынкамі, дарогамі й г. д. (аўтаспускі): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Дазволіць зьмену ляндшафту пад будынкамі й рэйкамi, не выдаляючы іx
@@ -3112,9 +3110,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Колькасьць гарадоў:
 STR_MAPGEN_DATE                                                 :{BLACK}Дата:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Колькасьць прадпрыемстваў:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Макс. вышыня мапы:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Павялічыць максімальную вышыню мапы на 1
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Паменшыць максімальную вышыню мапы на 1
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Вышыня сьнегавой лініі:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Падняць сьнегавую лінію
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Апусьціць сьнегавую лінію
@@ -3143,7 +3138,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Назв
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Памер:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} * {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Максімальная вышыня мапы
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Зьмяніць вышыню сьнегавой лініі
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Зьмяніць год пачатку гульні

--- a/src/lang/brazilian_portuguese.txt
+++ b/src/lang/brazilian_portuguese.txt
@@ -1207,8 +1207,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Alterna desastr
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Atitude da prefeitura em relação à restruturação local: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Escolhe como a poluição sonoroa e ambiental afeta a classificação na cidade e as ações futuras naquela área

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Altura máx. do mapa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Define a altitude máxima para montanhas no mapa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Impossível definir a altitude máx. do mapa para esse valor. Há ao menos uma montanha mais alta que isso
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Permitir paisagismo sob edifícios, trilhos, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Permite paisagismo sob edifícios e vias sem precisar removê-las
@@ -2894,9 +2892,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}No. de cidades:
 STR_MAPGEN_DATE                                                 :{BLACK}Data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}No. de indústrias:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Altitude máx. do mapa:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Aumenta a altitude máxima das montanhas no mapa em uma unidade
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Diminui a altitude máxima das montanhas no mapa em uma unidade
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Linha da neve
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Aumentar a linha da neve em um ponto
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Diminuir a linha da neve em um ponto
@@ -2925,7 +2920,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nome do
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Tamanho:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Alterar a altitude máxima do mapa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Mudar linha da neve
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Mudar data de início

--- a/src/lang/bulgarian.txt
+++ b/src/lang/bulgarian.txt
@@ -1160,8 +1160,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Включва
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Отношението на градския съвет към реструктурирането на района: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Изберете какво количество шум и поражения по околната среда причинени от компаниите афектират техния рейтинг в града и бъдещи конструкции в района.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Максимална височина на картата: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Определете максималната допустима височина за планини на картата
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Не можете да зададете максималната височина на картата на тази стойност. Поне една планина на карта е по-висока
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Тераформиране под постройки (autoslope): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Разреши промяна на наклона на терена под постройки и пътища без необходимост от премахване
@@ -2672,9 +2670,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Брой градове:
 STR_MAPGEN_DATE                                                 :{BLACK}Дата:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Брой индустрии:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Максимална височина на картата:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Увеличаване на максималната височина на планините на карта с едно
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Намаляне максималната височина на планините на карта с едно
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Снежна линия:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Преместване снежната линия нагоре
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Преместване снежната линия надолу
@@ -2703,7 +2698,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Име
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Размер:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Промяна на максималната височина на картата
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Височина на снежната линия
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Промяна началната година

--- a/src/lang/catalan.txt
+++ b/src/lang/catalan.txt
@@ -1207,8 +1207,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Permet o no que
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Actitud de l'alcaldia de la població enfront les reestructuracions a la zona: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Establiu com afecta al prestigi de les companyies el soroll i els danys ambientals que provoquen. Aquest prestigi influirà en la futura acceptació o denegació d'accions de construcció a la zona.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Alçada màxima del mapa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Estableix l'alçada màxima permesa del terreny en el mapa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}No es pot escollir aquesta alçada màxima del mapa: hi ha alguna zona del mapa actual que és més alta.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Permet la modificació del terreny sota edificis, rails, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Permet modelar el terreny sota les vies, els edificis i altres elements sense eliminar-los.
@@ -2894,9 +2892,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Nombre de poblacions:
 STR_MAPGEN_DATE                                                 :{BLACK}Data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Nombre d'indústries:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Alçada màxima del mapa:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Augmenta l'alçada màxima del terreny en el mapa en una unitat
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Disminueix l'alçada màxima del mapa en una unitat
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Alçada dels estatges amb neu:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Mou els estatges amb neu un pas amunt
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Mou els estatges amb neu un pas avall
@@ -2925,7 +2920,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nom del
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Mida:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Canvia l'alçada màxima del mapa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Canvia l'alçada d'inici d'estatges amb neu
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Canviar l'any inicial

--- a/src/lang/croatian.txt
+++ b/src/lang/croatian.txt
@@ -1278,8 +1278,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Uključivanje n
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Stav gradske uprave prema restrukturiranju područja: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Odaberi koliko buka i ekološka šteta utječu na gradsku ocjenu pojedine tvrtke i na daljnja građevinska djelovanja u njihovim područjima

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Najveća visina karte: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Postavi najveću dopuštenu visinu planina na karti
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Nije moguće postaviti najveću visinu karte na ovu vrijednost. Barem jedna planina na karti je viša.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Dopusti uređivanje krajolika ispod građevina, tračnica, itd.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Dopusti uređivanje krajolika ispod građevina i pruga bez njihovog uklanjanja
@@ -2914,9 +2912,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Broj gradova:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Broj industrija:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Najveća visina karte:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Povećaj za jedan najveću visinu planina na karti
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Smanji za jedan najveću visinu planina na karti
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Visina linije snijega
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Pomakni visinu linije snijega za jedan gore
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Pomakni visinu linije snijega za jedan dolje
@@ -2945,7 +2940,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Ime visi
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Veličina:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Promijeni najveću visinu karte
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Promijeni visinu linije snijega
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Promijeni početnu godinu

--- a/src/lang/czech.txt
+++ b/src/lang/czech.txt
@@ -1303,8 +1303,6 @@ STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Vyber jak moc h
 STR_CONFIG_SETTING_MONEY_CHEAT_MULTIPLAYER                      :Povolit v síťové hře cheat na peníze: {STRING}
 STR_CONFIG_SETTING_MONEY_CHEAT_MULTIPLAYER_HELPTEXT             :Pokud je zapnuto, cheat na peníze mohou použít všichni hráči síťové hry. Cheat na peníze je vždy povolen při hře jednoho hráče a správcům síťové hry.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximální výška mapy: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Nastavit maximální povolenou výšku hor na mapě
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Nemůžete změnit maximální výšku mapy na tuto hodnotu. Alespoň jedna hora na mapě je vyšší.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Povolit srovnání terénu pod budovami, kolejemi atd. (autoslope): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Povoluje změnu terénu pod budovami a tratěmi bez jejich odstranění
@@ -3514,9 +3512,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Množství měst:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Množství průmyslu:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximální výška mapy:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Zvýšit maximální výšku hor na mapě o jeden stupeň
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Snížit maximální výšku hor na mapě o jeden stupeň
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Výška sněžné čáry:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Zvýšit sněžnou čáru o jednu úroveň
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Snížit sněžnou čáru o jednu úroveň
@@ -3545,7 +3540,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Jméno v
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Velikost:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Změnit maximální výšku mapy
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Změnit výšku sněžne čáry
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Změnit počáteční rok

--- a/src/lang/danish.txt
+++ b/src/lang/danish.txt
@@ -1184,8 +1184,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Slå katastrofe
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Byrådets holdning til omstrukturering: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Vælg hvor meget selskaber støj og miljømæssige skader påvirker byvurdering og fremtidige byggeretigheder i området

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksimal map højde: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Indstil den maksimale tilladte højde for bjerge på kortet
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Du kan ikke sætte den maksimale kortet højde for denne værdi. Mindst et bjerg på kortet er højere
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Tillad landskabsformning under bygninger, spor, etc. (autoslope): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Tillad landskabsformning under bygninger og spor uden at fjerne dem
@@ -2824,9 +2822,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Antal byer:
 STR_MAPGEN_DATE                                                 :{BLACK}Dato:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Antal industrier:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksimal map højde:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Øge den maksimale højde af bjerge på kortet med en
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Formindsk den maksimale højde af bjerge på kortet med en
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Snegrænse
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Flyt snegrænsen een op
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Flyt snegrænsen een ned
@@ -2855,7 +2850,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Højdeko
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Størrelse:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Skift maksimal kort højde
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Ændre snegrænsen
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Ændre startår

--- a/src/lang/dutch.txt
+++ b/src/lang/dutch.txt
@@ -1206,8 +1206,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Rampen in-uitsc
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Houding van gemeentebestuur ten opzichte van herstructurering omgeving: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Bepaalt in hoeverre lawaai en schade aan het milieu door bedrijven de stadswaardering en verdere bouwacties beïnvloeden in hun omgeving

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximale kaarthoogte: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Maximaal toegestane hoogte voor bergen op de kaart instellen
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Je kunt de maximale kaarthoogte niet in deze waarde wijzigen. Minstens één berg op de kaart is hoger.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Omgeving aanpassen onder gebouwen, spoorwegen enz. toestaan: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Staat het aanpassen van funderingen onder gebouwen en sporen toe zonder deze te verwijderen
@@ -2893,9 +2891,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Aantal steden:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Aantal industrieën:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximale kaarthoogte
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Verhoog de maximale hoogte van bergen op de kaart met één
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Verklein de maximale hoogte van bergen op de kaart met één
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Hoogte van sneeuwgrens:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Verhoog de sneeuwgrens met één
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Verlaag de sneeuwgrens met één
@@ -2924,7 +2919,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Naam van
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Grootte:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Maximale kaarthoogte wijzigen
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Hoogte van sneeuwgrens wijzigen
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Verander startjaar

--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -1139,6 +1139,8 @@ STR_TERRAIN_TYPE_FLAT                                           :Flat
 STR_TERRAIN_TYPE_HILLY                                          :Hilly
 STR_TERRAIN_TYPE_MOUNTAINOUS                                    :Mountainous
 STR_TERRAIN_TYPE_ALPINIST                                       :Alpinist
+STR_TERRAIN_TYPE_CUSTOM                                         :Custom height
+STR_TERRAIN_TYPE_CUSTOM_VALUE                                   :Custom height ({NUM})

 STR_CITY_APPROVAL_INDIFFERENT                                   :Indifferent
 STR_CITY_APPROVAL_PERMISSIVE                                    :Permissive
@@ -1229,9 +1231,11 @@ STR_CONFIG_SETTING_MONEY_CHEAT_MULTIPLAYER_HELPTEXT             :If enabled, non
 STR_CONFIG_SETTING_RENAME_TOWNS_MULTIPLAYER                     :Allow multiplayer clients to rename towns: {STRING2}
 STR_CONFIG_SETTING_RENAME_TOWNS_MULTIPLAYER_HELPTEXT            :If enabled, non-admin multiplayer clients which are not spectating can rename towns. Renaming towns is always available in single-player mode, and to the multiplayer server admin.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximum map height: {STRING2}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Set the maximum allowed height for mountains on the map
-STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}You can't set the maximum map height to this value. At least one mountain on the map is higher
+STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT                             :Map height limit: {STRING2}
+STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT_HELPTEXT                    :Set the maximum height of the map terrain. With "(auto)" a good value will be picked after terrain generation
+STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT_VALUE                       :{NUM}
+STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT_AUTO                        :(auto)
+STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}You can't set the map height limit to this value. At least one mountain on the map is higher
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Allow landscaping under buildings, tracks, etc.: {STRING2}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Allow landscaping under buildings and tracks without removing them
 STR_CONFIG_SETTING_CATCHMENT                                    :Allow more realistically sized catchment areas: {STRING2}
@@ -1461,9 +1465,19 @@ STR_CONFIG_SETTING_INDUSTRY_DENSITY_HELPTEXT                    :Set how many in
 STR_CONFIG_SETTING_OIL_REF_EDGE_DISTANCE                        :Maximum distance from edge for Oil industries: {STRING2}
 STR_CONFIG_SETTING_OIL_REF_EDGE_DISTANCE_HELPTEXT               :Limit for how far from the map border oil refineries and oil rigs can be constructed. On island maps this ensures they are near the coast. On maps larger than 256 tiles, this value is scaled up.
 STR_CONFIG_SETTING_SNOWLINE_HEIGHT                              :Snow line height: {STRING2}
-STR_CONFIG_SETTING_SNOWLINE_HEIGHT_HELPTEXT                     :Control at what height snow starts in sub-arctic landscape. Snow also affects industry generation and town growth requirements
+STR_CONFIG_SETTING_SNOWLINE_HEIGHT_HELPTEXT                     :Controls at what height snow starts in sub-arctic landscape. Snow also affects industry generation and town growth requirements. Can only be modified via Scenario Editor or is otherwise calculated via "snow coverage"
+STR_CONFIG_SETTING_SNOW_COVERAGE                                :Snow coverage: {STRING2}
+STR_CONFIG_SETTING_SNOW_COVERAGE_HELPTEXT                       :Controls the approximate amount of snow on the sub-arctic landscape. Snow also affects industry generation and town growth requirements. Only used during map generation. Land just above sea level is always without snow
+STR_CONFIG_SETTING_SNOW_COVERAGE_VALUE                          :{NUM}%
+STR_CONFIG_SETTING_DESERT_COVERAGE                              :Desert coverage: {STRING2}
+STR_CONFIG_SETTING_DESERT_COVERAGE_HELPTEXT                     :Control the approximate amount of desert on the tropical landscape. Desert also affects industry generation. Only used during map generation
+STR_CONFIG_SETTING_DESERT_COVERAGE_VALUE                        :{NUM}%
 STR_CONFIG_SETTING_RAINFORESTLINE_HEIGHT                        :Rainforest line height: {STRING}
 STR_CONFIG_SETTING_RAINFORESTLINE_HEIGHT_HELPTEXT               :Control at what height rainforest starts in sub-tropic landscape. Rainforests also affect industry generation and town growth requirements
+STR_CONFIG_SETTING_CLIMATE_THRESHOLD_MODE                       :Climate threshold mode: {STRING2}
+STR_CONFIG_SETTING_CLIMATE_THRESHOLD_MODE_HELPTEXT              :Whether the snow line and rainforest/desert line is automatically calculated from a coverage percentage or manually controlled.
+STR_CONFIG_SETTING_CLIMATE_THRESHOLD_COVERAGE                   :Coverage
+STR_CONFIG_SETTING_CLIMATE_THRESHOLD_MANUAL                     :Manual
 STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN                         :Roughness of terrain: {STRING2}
 STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_HELPTEXT                :(TerraGenesis only) Choose the frequency of hills: Smooth landscapes have fewer, more wide-spread hills. Rough landscapes have many hills, which may look repetitive
 STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_VERY_SMOOTH             :Very Smooth
@@ -3642,9 +3656,17 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}No. of towns:
 STR_MAPGEN_DATE                                                 :{BLACK}Date:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}No. of industries:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximum map height:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Increase the maximum height of mountains on the map by one
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Decrease the maximum height of mountains on the map by one
+STR_MAPGEN_HEIGHTMAP_HEIGHT                                     :{BLACK}Highest peak:
+STR_MAPGEN_HEIGHTMAP_HEIGHT_UP                                  :{BLACK}Increase the maximum height of highest peak on the map by one
+STR_MAPGEN_HEIGHTMAP_HEIGHT_DOWN                                :{BLACK}Decrease the maximum height of highest peak on the map by one
+STR_MAPGEN_SNOW_COVERAGE                                        :{BLACK}Snow coverage:
+STR_MAPGEN_SNOW_COVERAGE_UP                                     :{BLACK}Increase snow coverage by ten percent
+STR_MAPGEN_SNOW_COVERAGE_DOWN                                   :{BLACK}Decrease snow coverage by ten percent
+STR_MAPGEN_SNOW_COVERAGE_TEXT                                   :{BLACK}{NUM}%
+STR_MAPGEN_DESERT_COVERAGE                                      :{BLACK}Desert coverage:
+STR_MAPGEN_DESERT_COVERAGE_UP                                   :{BLACK}Increase desert coverage by ten percent
+STR_MAPGEN_DESERT_COVERAGE_DOWN                                 :{BLACK}Decrease desert coverage by ten percent
+STR_MAPGEN_DESERT_COVERAGE_TEXT                                 :{BLACK}{NUM}%
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Snow line height:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Move the snow line height one up
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Move the snow line height one down
@@ -3677,7 +3699,10 @@ STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Size:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}
 STR_MAPGEN_TOO_MANY_TILES_MESSAGE                               :{YELLOW}Too many tiles in map. Maximum number of tiles is {NUM}, you have selected {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Change maximum map height
+STR_MAPGEN_TERRAIN_TYPE_QUERY_CAPT                              :{WHITE}Target peak height
+STR_MAPGEN_HEIGHTMAP_HEIGHT_QUERY_CAPT                          :{WHITE}Highest peak
+STR_MAPGEN_SNOW_COVERAGE_QUERY_CAPT                             :{WHITE}Snow coverage (in %)
+STR_MAPGEN_DESERT_COVERAGE_QUERY_CAPT                           :{WHITE}Desert coverage (in %)
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Change snow line height
 STR_MAPGEN_RAINFOREST_LINE_QUERY_CAPT                           :{WHITE}Change rainforest line height
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Change starting year
@@ -5476,6 +5501,7 @@ STR_WARNING_FALLBACK_SOUNDSET                                   :{WHITE}Only a f
 STR_WARNING_SCREENSHOT_SIZE_CAPTION                             :{WHITE}Huge screenshot
 STR_WARNING_SCREENSHOT_SIZE_MESSAGE                             :{YELLOW}The screenshot will have a resolution of {COMMA} x {COMMA} pixels. Taking the screenshot may take a while. Do you want to continue?

+STR_MESSAGE_HEIGHTMAP_SUCCESSFULLY                              :{WHITE}Heightmap successfully saved as '{RAW_STRING}'. Highest peak is {NUM}
 STR_MESSAGE_SCREENSHOT_SUCCESSFULLY                             :{WHITE}Screenshot successfully saved as '{RAW_STRING}'
 STR_ERROR_SCREENSHOT_FAILED                                     :{WHITE}Screenshot failed!

--- a/src/lang/english_US.txt
+++ b/src/lang/english_US.txt
@@ -1206,8 +1206,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Toggle disaster
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Town council's attitude towards area restructuring: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Choose how much noise and environmental damage by companies affect their town rating and further construction actions in their area

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximum map height: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Set the maximum allowed height for mountains on the map
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}You can't set the maximum map height to this value. At least one mountain on the map is higher
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Allow terraforming under buildings, tracks, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Allow terraforming under buildings and tracks without removing them
@@ -2907,9 +2905,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}No. of towns:
 STR_MAPGEN_DATE                                                 :{BLACK}Date:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}No. of industries:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximum map height:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Increase the maximum height of mountains on the map by one
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Decrease the maximum height of mountains on the map by one
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Snow line height:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Move the snow line height up one
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Move the snow line height down one
@@ -2938,7 +2933,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Heightma
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Size:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Change maximum map height
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Change snow line height
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Change starting year

--- a/src/lang/estonian.txt
+++ b/src/lang/estonian.txt
@@ -1263,8 +1263,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Lülita sisse/v
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Astuse omavalitsuse suhtumine pinnase restruktureerimisse: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Vali kui suurt mõju tekitavad müra ning keskkonna muudatused ettevõtte mainele ja edasistele ehitustoimingutele antud piirkonnas

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Kaardi ülemkõrgus: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Sea kaardil paiknevatele mägedele ülemine kõrguspiir
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Kaardi maksimaalset kõrgust pole sellisele kõrgusele võimalik sätestada. Vähemalt üks mägi on antud kõrgusest suurem.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Maastikukujundus majade, rööbaste jms. all (autoslope): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Lase maja- ja rööpaalust maad kujundada ilma neid eemaldamata
@@ -2951,9 +2949,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Asustusi:
 STR_MAPGEN_DATE                                                 :{BLACK}Algus:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Tööstustihedus:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Kaardi ülemkõrgus:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Tõsta maksimaalset kaardi mägede kõrgust ühe võrra
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Langeta maksimaalset kaardi mägede kõrgust ühe võrra
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Lumepiiri kõrgus:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Lumepiiri liigutamine ühe võrra üles
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Lumepiiri liigutamine ühe võrra alla
@@ -2982,7 +2977,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Kõrguse
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Suurus:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Muuda maksimaalset kaardi kõrgust
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Muuda lumepiiri kõrgust
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Muuda algusaastat

--- a/src/lang/finnish.txt
+++ b/src/lang/finnish.txt
@@ -1206,8 +1206,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Ottaa käyttö
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Valtuuston asenne alueiden uudelleenjärjestelyyn: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Valitse, kuinka paljon yhtiöiden aiheuttama melu ja ympäristövahingot vaikuttavat niiden arvioihin sekä tuleviin rakennustoimiin alueella

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Kartan suurin sallittu korkeus: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Määritä suurin sallittu korkeus vuorille
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Tämä arvo ei kelpaa kartan suurimmaksi sallituksi korkeudeksi, sillä kartalla on ainakin yksi sitä korkeampi vuori
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Salli maaston muokkaaminen rakennusten, raiteiden jne. juurella: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Sallii maaston muokkaamisen rakennusten ja ratojen alta tuhoamatta niitä
@@ -2885,9 +2883,6 @@ STR_MAPGEN_BY                                                   :{BLACK}×
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Kuntien määrä:
 STR_MAPGEN_DATE                                                 :{BLACK}Päivämäärä:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Teollisuuden määrä:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Suurin sallittu kartan korkeus:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Kasvata suurinta sallittua vuorten korkeutta yhdellä
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Vähennä suurinta sallittua vuorten korkeutta yhdellä
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Lumirajan korkeus:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Siirrä lumirajaa yksi taso ylöspäin
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Siirrä lumirajaa yksi taso alaspäin
@@ -2916,7 +2911,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Korkeusk
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Koko:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM}×{NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Muuta suurinta sallittua kartan korkeutta
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Vaihda lumirajan korkeutta
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Vaihda aloitusvuosi

--- a/src/lang/french.txt
+++ b/src/lang/french.txt
@@ -1207,8 +1207,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Activer/Désact
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Attitude du conseil municipal envers la restructuration de la zone{NBSP}: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Définit comment le bruit et les dommages environnementaux des compagnies affectent leur réputation et leurs prochaines actions de constructions dans la zone

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Altitude maximum de la carte{NBSP}: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Définir l'altitude maximum autorisée pour les montagnes sur la carte
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Vous ne pouvez pas régler l'altitude maximum de la carte sur cette valeur. Au moins une montagne sur la carte est plus haute
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Terrassement sous les bâtiments, voies, etc.{NBSP}: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Autoriser le terrassement sous les bâtiments et les voies sans les retirer
@@ -2894,9 +2892,6 @@ STR_MAPGEN_BY                                                   :{BLACK}{NBSP}×
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Nb. de villes{NBSP}:
 STR_MAPGEN_DATE                                                 :{BLACK}Date{NBSP}:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Nb. d'industries{NBSP}:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Altitude maximum de la carte
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Augmenter l'altitude maximum des montagnes sur la carte de 1
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Réduire l'altitude maximum des montagne sur la carte de 1
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Alt. d'enneigement{NBSP}:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Augmenter l'altitude d'enneigement
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Baisser l'altitude d'enneigement
@@ -2925,7 +2920,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nom de l
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Taille{NBSP}:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM}{NBSP}×{NBSP}{NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Modifier l'altitude maximum de la carte
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Modifier l'altitude d'enneigement
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Modifier l'année de départ

--- a/src/lang/gaelic.txt
+++ b/src/lang/gaelic.txt
@@ -1361,8 +1361,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Toglaich dunaid
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Beachdan comhairle a' bhaile air leasachadh raointean: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Tagh am meud dhe dh'fhuaim is milleadh na h-àrainneachd le companaidhean a tha a dhìth mus bi buaidh air luachadh a' bhaile is barrachd togail san sgìre

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Àirde as motha a’ mhapa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Suidhich an àirde as motha aig beanntan a bhios ceadaichte air a’ mhapa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Chan urrainn dhut àirde as motha a’ mhapa a shuidheachadh air an luach seo. Tha beinn air a’ mhapa a tha nas àirde.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Ceadaich atharrachadh crutha-tìre fo thogalaichean, slighean agus msaa.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Ceadaich atharrachadh crutha-tìre fo thogalaichean is slighean gun a bhith gan toirt air falbh
@@ -2968,9 +2966,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Bailtean:
 STR_MAPGEN_DATE                                                 :{BLACK}Ceann-latha:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Gnìomhachasan:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Àirde as motha a’ mhapa
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Meudaich an àirde as motha dhe bheanntan air a’ mhapa le a h-aon
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Lùghdaich an àirde as motha dhe bheanntan air a’ mhapa le a h-aon
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Àirde na loidhne-shneachda:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Gluais an loidhne-shneachda suas aon cheum
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Gluais an loidhne-shneachda sìos aon cheum
@@ -2999,7 +2994,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Ainm a'
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Meud:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Atharraich an àirde as motha air mapa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Atharraich àirde na loidhne-shneachda
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Atharraich am bliadhna-tòiseachaidh

--- a/src/lang/galician.txt
+++ b/src/lang/galician.txt
@@ -1181,8 +1181,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Activa os desas
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Actitude das autoridades locáis cara a restruturacións de áreas: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Escolle ata que punto o ruido e danos medioambientais producidos polas compañias afectan á súa valoración municipal e ás próximas actividades construtivas na súa área

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Altura máxima do mapa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Establecer a altura máxima permitida para os montes do mapa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Non podes establecer a altura máxima do mapa a este valor. Canda menos un monte do mapa é maior
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Permitir modificacións do terreo baixo edificios, vías, etc. (autopendente): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Permite modificar o terreo baixo edificacións e vías sen retiralos
@@ -2809,9 +2807,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Nº de cidades:
 STR_MAPGEN_DATE                                                 :{BLACK}Data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Nº de industrias:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Altura máxima do mapa:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Aumenta a altura máxima dos montes do mapa en un
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Diminiuir a altura máxima dos montes do mapa en un
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Cota de neve:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Subir a cota de neve unha altura
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Baixar a cota de neve unha altura
@@ -2840,7 +2835,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nome do
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Tamaño:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Cambiar altura máxima do mapa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Cambiar a altura da cota de neve
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Cambia-lo ano de inicio

--- a/src/lang/german.txt
+++ b/src/lang/german.txt
@@ -1220,8 +1220,6 @@ STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Auswählen, wie
 STR_CONFIG_SETTING_MONEY_CHEAT_MULTIPLAYER                      :Erlaube Multiplayer-Clients die Verwendung des Geld-Cheats: {STRING}
 STR_CONFIG_SETTING_MONEY_CHEAT_MULTIPLAYER_HELPTEXT             :Falls aktiv, können Multiplayer-Spieler, die keine Admins sind, den Geld-Cheat verwenden. Der Geld-Cheat ist im Single-Player-Modus sowie für den Multiplayer-Serveradmin stets verfügbar.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximale Höhe auf der Karte: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Setze die maximal erlaubte Höhe für Berge auf der Karte
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Die maximale Höhe der Karte kann nicht auf diesen Wert gesetzt werden. Mindestens ein Berg auf der Karte ist höher.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Landschaftsbau unter Gebäuden, Gleisen, usw. erlauben: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Erlaube Erdbauarbeiten unter Gebäuden oder Infrastruktur, ohne sie zu entfernen
@@ -3577,9 +3575,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Städteanzahl:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Industriedichte:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximalhöhe der Karte:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Die Maximalhöhe von Bergen auf der Karte um eins erhöhen
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Die Maximalhöhe von Bergen auf der Karte um eins verringern
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Schneegrenze:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Schneegrenze um eine Stufe erhöhen
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Schneegrenze um eine Stufe senken
@@ -3609,7 +3604,6 @@ STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Größe:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} × {NUM}
 STR_MAPGEN_TOO_MANY_TILES_MESSAGE                               :{YELLOW}Zu viele Kacheln auf der Karte. Die maximale Anzahl an Kacheln beträgt {NUM}, ausgewählt sind {NUM}.

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Maximalhöhe der Karte ändern
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Höhe der Schneegrenze ändern
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Startjahr ändern

--- a/src/lang/greek.txt
+++ b/src/lang/greek.txt
@@ -1294,8 +1294,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Εναλλαγ
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Στάση δημοτικού συμβουλίου ως προς τον μετασχηματισμό της περιοχής: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Επιλογή πόσο ο θόρυβος και η περιβαλλοντικη καταστροφή άπο εταιρίες επηρεάζουν τα ποσοστά αποδοχής και περαιτέρω έργα στη περιοχή

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Μέγιστο ύψος χάρτη: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Ορισμός του μέγιστου επιτρεπτού ύψους βουνών στο χάρτη
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE} Δεν μπορείτε να θέσετε το μέγιστο ύψος χάρτη σε αυτή τη τιμή. Τουλάχιστον ένα βουνό στο χάρτη είναι πιο ψηλό.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Να επιτρέπεται η διαμόρφωση εδάφους κάτω από κτίρια, γραμμές, κλπ.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Επιτρέπεται η διαμόρφωση του εδάφους κάτω από κτίρια και σιδηροτροχιές χωρίς αυτά να αφαιρούνται
@@ -2936,9 +2934,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Αριθμός πόλεων:
 STR_MAPGEN_DATE                                                 :{BLACK}Ημερομηνία:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Αριθμός βιομηχανιών:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Μέγιστο ύψος χάρτη
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Αύξηση του μέγιστου ύψους βουνών του χάρτη κατά ένα
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Μείωση του μέγιστου ύψους βουνών του χάρτη κατά ένα
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Ύψος γραμμής χιονιού:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Μετακίνηση του ύψους της γραμμής χιονιού ένα πάνω
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Μετακίνηση του ύψους της γραμμής χιονιού ένα κάτω
@@ -2967,7 +2962,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Όνομ
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Μέγεθος:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} × {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Αλλαγή μέγιστου ύψους χάρτη
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Άλλαγη του ύψους της γράμμης χιονιού
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Αλλαγή έτους έναρξης

--- a/src/lang/hebrew.txt
+++ b/src/lang/hebrew.txt
@@ -1175,8 +1175,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :אפשר/מנע
 STR_CONFIG_SETTING_CITY_APPROVAL                                :יחס מועצת העיר כלפי שינוי מבנה אזורי: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :בחר באיזו מידה רעש ונזק סביבתי ע"י חברות משפיעים על הדירוג העירוני שלהן ופעולות בנייה עתידיות באזור

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :גובה מפה מקסימלי: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :קבע את הגובה המקסימלי להרים במפה
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}לא ניתן לקבוע את הגובה המקסימלי במפה לערך זה. קיים לפחות הר אחד גבוה יותר
 STR_CONFIG_SETTING_AUTOSLOPE                                    :אפשר יצירת מילוי עפר תחת מבנים, פסי רכבת וכו': {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :אפשר שינוי פני השטח מתחת לבניינים ולמסילות ללא הסרתם
@@ -2752,9 +2750,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK} :מספר העיירות
 STR_MAPGEN_DATE                                                 :{BLACK} :תאריך
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK} :מספר התעשיות
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}גובה מפה מקסימלי:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}הגדל את הגובה המקסימלי של הרים במפה ביחידה אחת
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}הקטן את הגובה המקסימלי במפה ביחידה אחת
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}גובה קו השלג
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}הגבה את קו השלג
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}הנמך את קו השלג
@@ -2783,7 +2778,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK} :שם
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}גודל:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} על {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}שינוי הגובה המקסימלי במפה
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}שנה את גובה קו השלג
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}שנה את שנת הפתיחה

--- a/src/lang/hungarian.txt
+++ b/src/lang/hungarian.txt
@@ -1270,8 +1270,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Ha engedélyezv
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Városi tanács hozzáállása a területének az átépítéséhez: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Válaszd ki, hogy mennyi zaj és környezeti kár okozása befolyásolja a cég megítélését egy városban, mely hatással van a cég további építési lehetőségeire a város területén belül

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximális térképmagasság: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :A térképen található hegyek maximális magasságának beállítása
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Nem állíthatod erre az értékre a maximális térképmagasságot. Legalább egy hegy magasabb ennél
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Épületek, vágányok stb. alatti tereprendezés engedélyezése: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Tájrendezés engedélyezése épületek és utak alatt azok eltávolítása nélkül
@@ -2949,9 +2947,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Várossűrűség:
 STR_MAPGEN_DATE                                                 :{BLACK}Dátum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Gazd. épületek száma:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximum térképmagasság:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}A hegyek maximális magasságának növelése a térképen eggyel
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}A hegyek maximális magasságának csökkentése a térképen eggyel
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Hóhatár:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}A hóhatár megnövelése eggyel
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}A hóhatár csökkentése eggyel
@@ -2980,7 +2975,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Magassá
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Méret:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Térkép maximális magasságának megváltozatása
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Hóhatár megváltoztatása
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Kezdő év megváltoztatása

--- a/src/lang/indonesian.txt
+++ b/src/lang/indonesian.txt
@@ -1194,8 +1194,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Mengaktifkan be
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Sikap pemerintah kota terhadap restrukturasi area: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Pilih seberapa banyak dampak kebisingan dan lingkungan oleh perusahaan terhadap peringkat kota karena pembangunan di daerah

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Tinggi peta maksimum: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Atur ketinggian pegunungan maksimum yang diijinkan untuk peta ini
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Kamu tidak bisa mengubah ketinggian peta maksimum di angka itu. Setidaknya ada satu gunung di peta yang lebih tinggi
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Ijinkan pembentukan slop dibawah bangunan, rel, dsb.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Ijinkan pembentukan tanah dibawah bangunan dan trek tanpa merusaknya
@@ -2867,9 +2865,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Jumlah Kota:
 STR_MAPGEN_DATE                                                 :{BLACK}Tgl:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Jumlah industri:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Ketinggian peta maksimum:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Naikkan satu ketinggian maksimum gunung di peta
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Turunkan satu ketinggian maksimum gunung di peta
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Tinggi garis salju:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Naikkan ketinggian garis salju satu angka
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Turunkan ketinggian garis salju satu angka
@@ -2898,7 +2893,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nama Pet
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Luas:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Ubah ketinggian peta maksimal
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Ubah ketinggian garis salju
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Ganti Tahun Permulaan

--- a/src/lang/irish.txt
+++ b/src/lang/irish.txt
@@ -1156,8 +1156,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Cuir tubaistí,
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Dearcadh chomhairle an bhaile i leith athstruchtúrú limistéir: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Roghnaigh a mhéid a mbeidh tionchar ag torann agus damáiste don chomhshaol a dhéanann cuideachtaí ar a rátáil sa bhaile agus ar imeachtaí tógála eile sa cheantar

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Airde uasta na léarscáile: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Socraigh an airde uasta atá ceadaithe do shléibhte ar an léarscáil
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Ní féidir leat airde uasta na léarscáile a shocrú ag an luach seo. Tá sliabh amháin ar a laghad ar an léarscáil níos airde
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Ceadaigh athrú talún faoi fhoirgnimh, ráillí iarnróid srl.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Ceadaigh tírdhreachú faoi fhoirgneamh agus ráillí gan iad a bhaint
@@ -2695,9 +2693,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Líon na mbailte:
 STR_MAPGEN_DATE                                                 :{BLACK}Dáta:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Líon na dtionscal:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Airde uasta na léarscáile
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Méadaigh airde uasta na sléibhte ar an léarscáil de leibhéal amháin
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Laghdaigh airde uasta na sléibhte ar an léarscáil de leibhéal amháin
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Airde na líne sneachta:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Bog airde na líne sneachta suas ceann amháin
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Bog airde na líne sneachta síos ceann amháin
@@ -2726,7 +2721,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Ainm an
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Méid:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Athraigh airde uasta na léarscáile
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Athraigh airde na líne sneachta
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Athraigh an bhliain tosaigh

--- a/src/lang/italian.txt
+++ b/src/lang/italian.txt
@@ -1230,8 +1230,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Controlla l'att
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Atteggiamento della città in merito alle modifiche: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Seleziona il modo in cui il rumore e i danni all'ambiente da parte delle compagnie possono influenzare la valutazione delle città e le successive operazioni di costruzione nell'area controllata

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Altezza massima mappa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Imposta l'altezza massima consentita per le montagne sulla mappa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Impossibile impostare l'altezza massima della mappa a questo valore. Almeno una delle montagne della mappa è più alta
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Consenti rimodellazione terreno sotto a edifici, rotaie, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Consente la rimodellazione del terreno sotto edifici e rotaie senza doverli rimuovere
@@ -2923,9 +2921,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Numero città:
 STR_MAPGEN_DATE                                                 :{BLACK}Data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Numero industrie:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Altezza massima mappa:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Aumenta di uno l'altezza massima delle montagne sulla mappa
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Riduce di uno l'altezza massima delle montagne sulla mappa
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Altezza delle nevi:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Sposta in su di uno l'altezza delle nevi perenni
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Sposta in giù di uno l'altezza delle nevi perenni
@@ -2954,7 +2949,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nome hei
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Dim.:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Cambia l'altezza massima della mappa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Cambia l'altezza delle nevi perenni
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Cambia l'anno di inizio

--- a/src/lang/japanese.txt
+++ b/src/lang/japanese.txt
@@ -1173,8 +1173,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :設定を有効
 STR_CONFIG_SETTING_CITY_APPROVAL                                :地域の再編に対する町の姿勢: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :会社が街域で引き起こした騒音(主に空港)や環境破壊がどの程度、街での評価や同じ地域での更なる建設行為に影響するかを設定します

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :マップの最高高度: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :マップの最高地点の高さを設定します
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}マップの最高高さをこの値には設定出来ません。少なくとも1箇所以上この値より高い山があります。
 STR_CONFIG_SETTING_AUTOSLOPE                                    :建物/路線の自動地形追従: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :撤去を行わないで建物や路線がある土地の地形を変更することを可能にします。建物/路線は変更された地形に自動で追従します。
@@ -2765,9 +2763,6 @@ STR_MAPGEN_BY                                                   :{BLACK}×
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}街数:
 STR_MAPGEN_DATE                                                 :{BLACK}日付:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}産業数:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}マップ最高高度:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}マップの最高高度を1ずつ増やします
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}マップの最高高度を1ずつ減らします
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}雪線の位置:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}雪線を上げる
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}雪線を下げる
@@ -2796,7 +2791,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}ハイ
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}サイズ:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} × {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}マップの最高高度を変更
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}雪線の位置を変更
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}開始年の変更

--- a/src/lang/korean.txt
+++ b/src/lang/korean.txt
@@ -1229,8 +1229,6 @@ STR_CONFIG_SETTING_MONEY_CHEAT_MULTIPLAYER_HELPTEXT             :이 설정을
 STR_CONFIG_SETTING_RENAME_TOWNS_MULTIPLAYER                     :멀티플레이 유저들이 도시 이름을 바꿀 수 있게 허용: {STRING}
 STR_CONFIG_SETTING_RENAME_TOWNS_MULTIPLAYER_HELPTEXT            :이 설정을 켜면, 관리자나 관전자가 아닌 멀티플레이 유저가 도시 이름을 바꿀 수 있습니다. 싱글플레이에서나 멀티플레이의 관리자는 도시 이름을 항상 변경할 수 있습니다.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :최대 지형 높이: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :지도에 생성되는 산이 가질 수 있는 최대 높이를 설정합니다.
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}이 값을 최대 지형 높이로 설정할 수 없습니다. 이 값보다 고도가 높은 산이 최소 한 개 이상 존재합니다.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :건물, 트랙 등의 하부 지형 편집 허용: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :건물이나 도로/선로 등을 제거하지 않고도 하부의 지형을 편집할 수 있게 허용합니다.
@@ -3642,9 +3640,6 @@ STR_MAPGEN_BY                                                   :{BLACK}x
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}도시의 수:
 STR_MAPGEN_DATE                                                 :{BLACK}날짜:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}산업시설 수:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}최대 지형 높이:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}최대 지형 높이를 1칸 높입니다
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}최대 지형 높이를 1칸 낮춥니다
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}설선 고도:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}설선 고도를 1칸 높입니다
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}설선 고도를 1칸 낮춥니다
@@ -3677,7 +3672,6 @@ STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}크기:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}
 STR_MAPGEN_TOO_MANY_TILES_MESSAGE                               :{YELLOW}지도에 너무 많은 타일이 존재합니다. 최댓값은 {NUM} 칸 이지만, {NUM} 칸을 선택했습니다.

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}최대 지형 고도 변경
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}설선 고도 변경
 STR_MAPGEN_RAINFOREST_LINE_QUERY_CAPT                           :{WHITE}열대 우림 고도 변경
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}시작 연도 변경
--- a/src/lang/latin.txt
+++ b/src/lang/latin.txt
@@ -1358,8 +1358,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Sinere calamita
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Quamdiu auctoritas vicinalis patitur malas actiones a societatibus: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Eligere patientiam auctoritatis vicinalis - quomodo venia eius afficitur a sonito et detrimento vicinitatis. Nimis malis actionibus, auctoritates vetant stationes struere, aedificia viasque removere

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Altitudo tabulae maxima: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Eligere altitudinem montium maximam in tabula
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Non licet hanc altitudinem eligere. Unus pluresve mons in tabula altior est
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Sinere terram plasmare sub aedificia, vias, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Sinere terram plasmare sub aedificia et vias; tum necesse non est aedificia viasve removere
@@ -2942,9 +2940,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Numerus oppidorum:
 STR_MAPGEN_DATE                                                 :{BLACK}Dies:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Numerus industriarum:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Altitudo tabulae maxima:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Augere maximam altitudinem montium in tabula unum gradum
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Minuere maximam altitudinem montium in tabula unum gradum
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Altitudo nivis lineae:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Tollere altitudinem lineae nivis
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Inclinere altitudinem lineae nivis
@@ -2973,7 +2968,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nomen ta
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Magnitudo:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Mutare altitudinem tabulae maximam
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Mutare altitudinem lineae nivis
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Mutare annum initii

--- a/src/lang/latvian.txt
+++ b/src/lang/latvian.txt
@@ -1198,8 +1198,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Pārslēgt kata
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Pilsētu domju attieksme pret platības pārstrukturēšanu: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Izvēlieties, cik lielā mērā trokšņi un vides bojājumi ietekmē uzņēmuma reitingu un turpmākās būvniecības darbības viņu teritorijā

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksimālais kartes augstums: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Uzstādīt maksimālo atļauto kalnu augstumu kartē
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Jūs nevarat izmantot šo maksimālo kartes augstumu. Vismaz viens kalns uz kartes ir augstāks.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Atļaut ainavas veidošanu zem ekām, ceļiem, utt. (automāt. nogāzes): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Atļauj ainavas veidošanu zem ekām un ceļiem bez to nojaukšanas
@@ -2878,9 +2876,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Pilsētu daudzums:
 STR_MAPGEN_DATE                                                 :{BLACK}Datums:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Ražotņu daudzums:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksimālais kartes augstums
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Palielināt kalnu maksimālo augstumu kartē par vienu vienību
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Samazināt kalnu maksimālu augstumu kartē par vienu vienību
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Sniega līnijas augstums
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Paaugstināt sniega līnijas augstumu
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Pazemināt sniega līnijas augstumu
@@ -2909,7 +2904,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Augstumu
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Lielums:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Mainīt kartes maksimālo augstumu
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Mainīt sniega līnijas augstumu
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Mainīt sākuma gadu

--- a/src/lang/lithuanian.txt
+++ b/src/lang/lithuanian.txt
@@ -1411,8 +1411,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Įgalinti atsit
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Miestų gyventojų požiūris į triukšmą ir aplinkos darkymą: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Nustatyti miestų požiūrį į statybas, triukšmą ir kraštovaizdžio keitimą. Nuo to priklauso kompanijos reitingas bei leidimasstatyti įvairius objektus

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Didžiausias žemėlapio aukštis: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Didžiausias galimas kalnų žemėlapyje aukštis
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Negalima nustatyti tokio kalnų aukščio, nes žemėlapyje jau yra bent vienas aukštesnis kalnas
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Leisti keisti reljefą po pastatais, bėgiais, ir t.t.. (autoslope): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Leisti keisti reljefą po pastatais ir bėgiais, jų nepašalinant
@@ -3112,9 +3110,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Miestų kiekis:
 STR_MAPGEN_DATE                                                 :{BLACK}Pradžios data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Pramonės įmonių kiekis:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Didžiausias leistinas aukštis:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Padidinti didžiausią leistiną aukštį vienetu
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Sumažinti didžiausią leistiną aukštį vienetu
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Sniego linijos aukštis:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Paaukštinti sniego liniją
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Pažeminti sniego liniją
@@ -3143,7 +3138,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Žemėla
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Dydis:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Keisti didžiausią leistiną aukštį
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Pakeisti sniego linijos aukštį
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Keisti pradžios metus

--- a/src/lang/luxembourgish.txt
+++ b/src/lang/luxembourgish.txt
@@ -1181,8 +1181,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Stell Katastrop
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Dem Stadrot seng Astellung géigeniwwer dem Embau vun der Landschaft: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Wielt aus, wéivill vun der Firma verursachten Kaméidi an Emweltschiedegung sech op d'Stadbewäertung an op weider Bauaktiounen auswierkt

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximal Kaartenhéicht: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Setzt déi maximal erlabten Héicht fir Bierger op dëser Kaart
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Du kanns d'maximal Kaartenhéicht net op dëse Wäert setzen. Op manst ee Bierg op der Kaart ass méi héich
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Erlaabt Landformung ënnert Gebaier, Stroossen, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Erlaabt Terraintransformatioun ënnert Gebaier an Schinnen ouni dës ewechzehuelen
@@ -2817,9 +2815,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Unz. Dierfer:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Unz. Industrien:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximal Kaartenhéicht:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Setzt d'Maximalhéicht vu Bierger op der Kaart em 1 erop
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Setzt d'Maximalhéicht vu Bierger op der Kaart em 1 erof
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Weis d'Schnéilinnhéicht
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Beweg Schnéilinnhéicht erop
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Beweg Schnéilinnhéicht erof
@@ -2848,7 +2843,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Héichte
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Gréisst:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Maximal Kaartenhéicht änneren
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Ännert d'Schnéilinnhéicht
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Änner d'Startjoer

--- a/src/lang/malay.txt
+++ b/src/lang/malay.txt
@@ -1120,8 +1120,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Jika kereta api
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Sikap majlis bandaraya terhadap penyusunan semula kawasan: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Pilih tahap kebisingan dan kerosakan persekitaran

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Ketinggian maksimum peta: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Tetapkan ketinggian maksimum yang dibenarkan bagi gunung pada peta
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Kamu tidak boleh ubah ketinggian maxima kepada nilai ini. Sekurang-kurangnya satu gunung di dalam peta lebih tinggi.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Benarkan pengubahsuaian tanah di bawah bangunan, landasan, dan sebagainya (autocerun): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Benarkan landskap di arah bangunan dan trek tanpa memusnahkannya
@@ -2444,9 +2442,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Jumlah bandar:
 STR_MAPGEN_DATE                                                 :{BLACK}Tarikh:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Jumlah industri:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Ketinggian maxima peta:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Mengurangkan ketinggian maksimum gunung di peta oleh satu
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Mengurangkan ketinggian maksimum gunung di peta oleh satu
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Paras ketinggian garis salji:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Tinggikan paras garis salji satu petak
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Rendahkan paras garis salji satu petak
@@ -2475,7 +2470,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nama hei
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Saiz:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Mengubah saiz maksimum ketinggian peta
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Tukarkan paras garis salji
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Tukar tahun permulaan

--- a/src/lang/norwegian_bokmal.txt
+++ b/src/lang/norwegian_bokmal.txt
@@ -1208,8 +1208,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Aktiver/inaktiv
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Bystyrets holdning til restrukturering av området: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Velg hvor mye støy og miljøskader forårsaket av selskaper påvirker deres anseelse i byen og muligheter for ytterligere utbygging i nærområdet

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksimal karthøyde: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Still inn maksimal tillatt høyde for fjellene på kartet
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Du kan ikke sette den maksimale karthøyden til denne verdien. Minst ett fjell på kartet er høyere
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Tillat endring av landskap under bygninger, spor, osv.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Tillat endring av landskapet under bygninger og spor uten å fjerne dem
@@ -2897,9 +2895,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Antall byer:
 STR_MAPGEN_DATE                                                 :{BLACK}Dato:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Antall industrier:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksimal karthøyde:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Øk den maksimale fjellhøyden på kartet med én
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Redusér den maksimale fjellhøyden på kartet med én
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Høyde på snøgrensen:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Flytt høyden på snøgrensen ett hakk opp
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Flytt høyden på snøgrensen ett hakk ned
@@ -2928,7 +2923,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Høydeka
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Størrelse:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Endre maksimal karthøyde
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Endre høyden på snøgrensen
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Endre startår

--- a/src/lang/norwegian_nynorsk.txt
+++ b/src/lang/norwegian_nynorsk.txt
@@ -1158,8 +1158,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Skru av/på kat
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Haldninga til bystyra når det gjeld ombygging: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Vel kor mykje vurderinga frå bystyra og høvet for meir bygging i området vert påverka av støy og øydelegging frå eit firma.

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksimal høgd på kart: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Sett maksimal høgd for fjell på kartet
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Du kan ikkje sette maksimal høgd på kartet til denne verdien. Minst eit fjell på kartet er høgare
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Tillet landskapsendringar under bygningar, spor o.s.b.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Tillet å endre landskapet under bygningar, vegar og jernbanespor, utan å måtte fjerne dei fyrst.
@@ -2619,9 +2617,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Antal byar:
 STR_MAPGEN_DATE                                                 :{BLACK}Dato:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Antal industriar:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksimal høgd på kart:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Auk maksimal høgd på fjell på kartet med ein
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Minsk maksimal høgd på fjell på kartet med ein
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Høgd på snøgrensa:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Flytt høgda på snøgrensa eitt hakk opp
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Flytt høgda på snøgrensa eitt hakk ned
@@ -2650,7 +2645,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Høgdeka
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Storleik:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Endre maksimal høgd på kartet
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Byt høgda på snøgrensa
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Byt startår

--- a/src/lang/polish.txt
+++ b/src/lang/polish.txt
@@ -1586,8 +1586,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Ustaw katastrof
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Nastawienie władz miasta do przekształcania terenu: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Wybierz jak bardzo hałas i niszczenie środowiska przez firmy wpływa na ich ocenę przez miasto i dalsze konstrukcje na ich obszarze

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksymalna wysokość mapy: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Ustaw maksymalną możliwą wysokość dla gór na mapie
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Nie możesz ustawić maksymalnej wysokości mapy na tę wartość. Conajmniej jedna góra na mapie jest wyższa
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Pozwól na zmiany terenu pod budynkami, torami itp.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Pozwalaj na modyfikowanie terenu pod budynkami i torami bez usuwania ich
@@ -3273,9 +3271,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Liczba miast:
 STR_MAPGEN_DATE                                                 :{BLACK}Data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Liczba przedsiębiorstw:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksymalna wysokość mapy
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Podnieś maksymalną wysokość gór na mapie o jeden
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Zmniejsz maksymalną wysokość gór na mapie o jeden
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Śnieg od wysokości:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Podnieś wysokość śniegu o jeden w górę
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Obniż wysokość śniegu o jeden w dół
@@ -3304,7 +3299,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nazwa ma
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Rozmiar:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Zmień maksymalną wysokość mapy
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Zmień wysokość linii śniegowej
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Zmień datę rozpoczęcia

--- a/src/lang/portuguese.txt
+++ b/src/lang/portuguese.txt
@@ -1207,8 +1207,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Activa desastre
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Atitude do Concelho Municipal em relação a reestruturação de áreas: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Escolha quanto ruído e estragos ambientais causados pelas empresas afecta o rating da povoação e futuras acções de construção na área

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Altura máxima do mapa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Define altura máxima permitida para montanhas no mapa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Pode aumentar a altura máxima do mapa para este valor. Pelo menos uma montanha no mapa é mais alta
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Permite alteração de terra sob edifícios, vias, etc. (auto-declive): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Permite alteração de terra sob edifícios e vias sem os remover
@@ -2894,9 +2892,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Num. de localidades:
 STR_MAPGEN_DATE                                                 :{BLACK}Data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Num. de indústrias:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Altura máxima do mapa:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Aumentar altura máxima das montanhas no mapa em um
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Diminuir altura máxima das montanhas no mapa em um
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Altura linha neve:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Mover a linha de neve um nível acima
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Mover a linha de neve um nível abaixo
@@ -2925,7 +2920,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nome map
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Tamanho:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Mudar altura máxima do mapa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Mudar a altura da linha de neve
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Mudar ano de início

--- a/src/lang/romanian.txt
+++ b/src/lang/romanian.txt
@@ -1166,8 +1166,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Comută dezastr
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Atitudinea consiliului orașului cu privire la restructurarea zonei: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Alege în ce măsură poluarea fonică si deranjamentul local provocat de o companie va afecta impresia orașului despre aceasta, si viitoarele planuri de construcție in zonă

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Înălţimea maximă a harţii: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Setează înălţimea maxim permisă a munţilor pe hartă
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Nu poţi seta înălţimea maxima a hărţii la aceasta valoare. Cel puţin un munte pe hartă are o înălţime mai mare.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Permite terra-formarea sub clădiri, şine, etc. (auto-pante): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Permite terraformarea sub clădiri şi şine fără eliminarea acestora
@@ -2718,9 +2716,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Nr. de oraşe:
 STR_MAPGEN_DATE                                                 :{BLACK}Data:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Nr. de industrii:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Înălţimea maximă a harţii:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Măreşte înălţimea maximă a munţilor pe hartă cu unu
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Reduce înălţimea maximă a munţilor pe hartă cu unu
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Înălţimea zăpezii:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Mută linia zăpezii cu un punct în sus
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Mută linia zăpezii cu un punct în jos
@@ -2749,7 +2744,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nume har
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Dimensiune:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Modifică înălţimea maximă a harţi
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Modifică înălţimea zăpezii
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Modifică anul de început

--- a/src/lang/russian.txt
+++ b/src/lang/russian.txt
@@ -1358,8 +1358,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Включен
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Отношение городского совета к реструктуризации окрестностей: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Выберите уровень влияния шума и загрязнения окружающей среды компаниями на их рейтинг в городах и возможность дальнейшего строительства около городов

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Максимальная высота: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Установка максимально допустимой высоты гор на карте
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Невозможно изменить максимальную высоту. На карте есть горы выше этого значения.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Разрешить изм. ландшафта под зданиями, дорогами и т. д. (автоспуски): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Разрешить изменение ландшафта под домами и дорогами, не требуя их сноса
@@ -3074,9 +3072,6 @@ STR_MAPGEN_BY                                                   :{BLACK}×
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Количество городов:
 STR_MAPGEN_DATE                                                 :{BLACK}Дата:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Кол-во предпр.:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Макс. высота карты:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Увеличить максимальную высоту гор на карте на 1
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Уменьшить максимальную высоту гор на карте на 1
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Снеговая линия:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Поднять снеговую линию
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Опустить снеговую линию
@@ -3105,7 +3100,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Назв
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Размер:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} × {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Максимальная высота карты
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Изменить высоту снеговой линии
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Изменить год начала игры

--- a/src/lang/serbian.txt
+++ b/src/lang/serbian.txt
@@ -1391,8 +1391,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Uključuje i is
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Stav gradskog odbora u pogledu restrukturiranja zone: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Izbor koliko će buka i zagađenje koje proizvode kompanije uticati na njihov gradski rejting i dalje građevinske akcije u toj zoni

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksimalna visina mape: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Namestite dozvoljen maksimum visine planina na ovoj mapi
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Ne mozete namestiti maksimalnu visinu mape ovoj vrednosti. Barem još jedna planina je veća
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Dozvoljena izmena nagiba ispod zgrada, koloseka, itd. (autoslope): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Dozvoli iskopavanja ispod građevina i pruge bez da se uklone
@@ -3068,9 +3066,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Broj naselja:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Broj fabrika:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksimalna visina mape
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Povećaj maksimalnu visinu planina na mapi za jedan
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Smanji maksimalnu visinu planina na mapi za jedan
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Nivo snežnog pokrivača:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Sužava snežni pokrivač naviše za jedan
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Proširuje snežni pojas naniže za jedan
@@ -3099,7 +3094,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Naziv el
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Veličina:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Promenite maksimalnu visinu mape
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Promena donjeg nivoa snežnog pojasa
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Promena početne godine

--- a/src/lang/simplified_chinese.txt
+++ b/src/lang/simplified_chinese.txt
@@ -1183,8 +1183,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :灾难可能引
 STR_CONFIG_SETTING_CITY_APPROVAL                                :地区政府对区域改造的态度: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :设置相关参数以决定各公司造成的噪音及环境破坏时，各城镇对该公司的评价及未来区域建设的影响。

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :最高地面高度：{STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :此设置决定地图上的山丘最高可以到达什么高度
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}您不能把最高地面高度设为这个值，因为地图上至少有一座山丘的高度比这个值还大
 STR_CONFIG_SETTING_AUTOSLOPE                                    :允许在建筑、轨道等下方改变地形（自动斜坡）： {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :允许在建筑和轨道下方改变地形而不需要拆除他们
@@ -2819,9 +2817,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}城镇数量：
 STR_MAPGEN_DATE                                                 :{BLACK}日期:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}工业数量：
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}最高地面高度：
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}把地图上山丘的最高高度加 1
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}把地图上山丘的最高高度减 1
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}雪线高度：
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}提高雪线高度
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}降低雪线高度
@@ -2850,7 +2845,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}高度
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}地图尺寸：
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} × {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}改変地图上的最高地面高度
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}改变雪线高度
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}改变游戏开始的日期

--- a/src/lang/slovak.txt
+++ b/src/lang/slovak.txt
@@ -1274,8 +1274,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Vypne alebo zap
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Postoj mestskej správy k reštrukturalizácii v oblasti: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Zvoľte ako veľmi ovplyvňuje hluk a poškodzovanie prostredia spoločnosťami ich hodnotenie v meste a ich budúce možnosti výstavby v oblasti vlastnenej mestom

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximálna výška mapy: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Nastav maximálnu povolenú výšku pohorí na mape
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Nemôžete nastaviť takúto maximálnu výšku mapy. Najmenej jeden vrch na mape je vyšší.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Povoliť úpravy terénu pod budovami, koľajami, atď.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Umožňuje úpravy terénu pod budovami a traťami bez potreby ich odstránenia
@@ -2961,9 +2959,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Počet miest:
 STR_MAPGEN_DATE                                                 :{BLACK}Rok:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Počet priemyslu:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximálna výška mapy:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Zvýšiť maximálnu výšku hôr na mape o jedno
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Znížiť maximálnu výšku hôr na mape o jedno
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Výška hranice snehu:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Zvýšiť výšku hranice snehu o jedno
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Znížiť výšku hranice snehu o jedno
@@ -2992,7 +2987,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Názov v
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Veľkosť:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Zmeniť maximálnu výšku mapy
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Zmeniť výšku hranice snehu
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Zmeniť rok začiatku hry

--- a/src/lang/slovenian.txt
+++ b/src/lang/slovenian.txt
@@ -1310,8 +1310,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Preklop med poj
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Odnos mestnega sveta do prestrukturiranja površine: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Nastavitev nivoja hrupa in posameznih posegov podjetja na oceno v mestu in nadaljnjo gradnjo

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Najvišji nivo zemljevida: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Nastavi najvišjo dovoljeno višino za gore na ozemlju
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Ne moreš nastaviti najvišjega nivoja zemljevida na to vrednost. Vsaj ena gora na zemljevidu je višja.
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Dovoli oblikovanje terena pod objekti, tiri, ipd. (samonaklon): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Dovoli spremembo terena pod zgradbami in tiri brez odstranitve
@@ -2851,9 +2849,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Število mest:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Število industrij:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maksimalna višina mape:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Zvišanje največje višine gora na ozemlju za 1
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Znižanje največje višine gora na ozemlju za 1
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Višina snežne meje:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Premik snežne meje eno enoto višje
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Premik snežne meje eno enoto nižje
@@ -2882,7 +2877,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Ime viš
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Velikost:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Spremeni maksimalno višino mape
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Spremeni višino snežne meje
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Spremeni začetno leto

--- a/src/lang/spanish.txt
+++ b/src/lang/spanish.txt
@@ -1207,8 +1207,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Activa desastre
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Actitud de los municipios frente a reestructuraciones en su zona: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Permite elegir en que medida el ruido y el daño ambiental causado por las compañías afecta a su calificación y nuevas acciones de construcción en los municipios

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Altura máxima del mapa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Establece la altura máxima permitida para las montañas en el mapa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}No se puede establecer la altura máxima del mapa en el valor indicado. Ya hay almenos una montaña más alta
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Permitir modificar el terreno bajo edificios, ferrocarril, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Permitir modificar el terreno debajo de edificios y ferrocarriles sin eliminarlos
@@ -2894,9 +2892,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}No. de municipios:
 STR_MAPGEN_DATE                                                 :{BLACK}Fecha:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}No. de industrias:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Altura máxima del mapa:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Aumenta una unidad la altura máxima de las montañas del mapa
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Disminuye una unidad la altura máxima de las montañas del mapa
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Altura cota nieve:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Sube la cota de nieve una unidad
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Baja la cota de nieve una unidad
@@ -2925,7 +2920,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nombre d
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Tamaño:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Cambiar la altura máxima del mapa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Cambiar la altura de la cota de nieve
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Cambiar año de inicio

--- a/src/lang/spanish_MX.txt
+++ b/src/lang/spanish_MX.txt
@@ -1207,8 +1207,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Desastres que o
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Actitud de los ayuntamientos ante restructuraciones hechas en sus zonas: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Medida en que el ruido y el daño ambiental causado por las empresas afectan su evaluación y futuras acciones de construcción en las mismas zonas

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Elevación máxima del mapa: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Elevación máxima que las montañas pueden tener en el mapa
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}No se puede establecer la elevación máxima del mapa en el valor indicado. Al menos una montaña ya es más alta
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Permitir modificar terreno debajo edificios, vías férreas, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Modificar el terreno debajo de edificios y vías de tren sin quitarlos
@@ -2894,9 +2892,6 @@ STR_MAPGEN_BY                                                   :{BLACK}×
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Núm. de pueblos:
 STR_MAPGEN_DATE                                                 :{BLACK}Fecha:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Núm. de industrias:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Elevación máx.:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Aumentar la elevación máxima de las montañas del mapa una unidad
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Disminuir la elevación máxima de las montañas del mapa una unidad
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Nivel de nieve:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Mover el nivel de inicio de nieve hacia arriba
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Mover el nivel de inicio de nieve hacia abajo
@@ -2925,7 +2920,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Nombre d
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Tamaño:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM}×{NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Cambiar la elevación máxima del mapa
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Cambiar el nivel de inicio de nieve
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Cambiar año de inicio

--- a/src/lang/swedish.txt
+++ b/src/lang/swedish.txt
@@ -1206,8 +1206,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Slår av/på ka
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Stadsfullmäktiges attityd mot ombyggnation av områden: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Välj hur mycket ett företags oväsen och miljöpåverkan ska påverka dess anseende och möjlighet till vidare byggnationer i området

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximal karthöjd: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Välj maximala tillåtna höjd för berg på kartan
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Du kan inte ändra maximal karthöjd till detta värde. Åtminstone ett berg på kartan är högre
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Tillåt landskapsarkitektur under byggnader, spår, etc.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Tillåt landskapsarkitektur under byggnader och spår utan att ta bort dem
@@ -2893,9 +2891,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Antal städer:
 STR_MAPGEN_DATE                                                 :{BLACK}Datum:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Antal industrier:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Maximal karthöjd:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Öka maximal bergshöjd med ett
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Minska maximal bergshöjd med ett
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Snögränsens höjd:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Höj snögränsens höjd ett steg
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Sänk snögränsens höjd ett steg
@@ -2924,7 +2919,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Namn på
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Storlek:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Ändra maximal karthöjd
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Ändra snögränsens höjd
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Ändra Startår

--- a/src/lang/tamil.txt
+++ b/src/lang/tamil.txt
@@ -1144,8 +1144,6 @@ STR_CONFIG_SETTING_DISASTERS                                    :பேரழி
 STR_CONFIG_SETTING_CITY_APPROVAL                                :நகர மறு அமைப்பின் மீது நகராட்சியின் நிலை: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :நிறுவனங்களின் சத்தம் மற்றும் சுற்றுச்சூழல் சேதம் அவர்களின் நகர மதிப்பீட்டை பாதிக்கும் மற்றும் அவற்றின் பகுதியில் மேலும் கட்டுமான நடவடிக்கைகளைத் தேர்வுசெய்க

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :அதிகபட்ச வரைபட உயரம்: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :இந்த வரைபடத்திலுள்ள மலைகளின் அதிகபட்ச உயரத்தினை அமை
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE} அதிகபட்ச வரைபட உயரமாக இந்த மதிப்பை நீங்கள் தர இயலாது. வரைபடத்தில் குறைந்தது ஒரு மலையாவது இந்த மதிப்பை விட உயரமாக உள்ளது
 STR_CONFIG_SETTING_EXTRADYNAMITE                                :நகரத்தின் சாலைகள், பாலங்கள் மற்றும் சுரங்கங்களை நீக்க அனுமதிக்கவும்: {STRING}
 STR_CONFIG_SETTING_EXTRADYNAMITE_HELPTEXT                       :நகராட்சியின் கட்டடங்கள் நீக்குவதை எளிதாக்கவும்
@@ -2539,9 +2537,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}நகரங்களின் எண்ணிக்கை:
 STR_MAPGEN_DATE                                                 :{BLACK}தேதி:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}தொழிற்சாலைகளின் எண்ணிக்கை:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}அதிகபட்ச வரைபட உயரம்:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}வரைபடத்திலுள்ள மலைகளின் அதிகபட்ச உயரத்தினை ஒரு அலகு உயர்த்து
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}வரைபடத்திலுள்ள மலைகளின் அதிகபட்ச உயரத்தினை ஒரு அலகு குறை
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}பனிக் கோடின் உயரம்:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}பனி கோடின் உயரத்தை ஒரு அடி உயர்த்து
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}பனி கோடின் உயரத்தை ஒரு அடி இறக்கு
@@ -2570,7 +2565,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}உய
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}அளவு:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}வரைபடத்தின் அதிகபட்ச உயரத்தினை மாற்று
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}பனிக் கோடின் உயரத்தினை மாற்று
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}தொடங்கும் வருடத்தினை மாற்று

--- a/src/lang/thai.txt
+++ b/src/lang/thai.txt
@@ -2642,7 +2642,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}จำนวนเมือง
 STR_MAPGEN_DATE                                                 :{BLACK}วันที่:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}จำนวนอุตสาหกรรม:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}ขนาดความสูงของแผนที่สูงสุด:
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}เส้นความสูงเขตหิมะ:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}ปรับเปลี่ยนความสูงของหิมะขึ้นไป 1 ระดับ
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}ปรับเปลี่ยนความสูงของหิมะลงมา 1 ระดับ
--- a/src/lang/traditional_chinese.txt
+++ b/src/lang/traditional_chinese.txt
@@ -1162,8 +1162,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :切換那些有
 STR_CONFIG_SETTING_CITY_APPROVAL                                :地方政府對地區結構重組的態度： {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :選擇公司所製造的噪音和環境傷害對其在市鎮的評比及未來的建設行動會造成多大影響

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :最大地圖高度： {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :設定該地圖上山丘最多能有多高
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}您不能把地圖的最高高度設成此值。至少有一座山比這個高度更高。
 STR_CONFIG_SETTING_AUTOSLOPE                                    :允許在建築物或軌道底下改變地形斜度 (autoslope)：{STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :可以在建築物或軌道底下改變地形而不需移除它們
@@ -2723,9 +2721,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}市鎮數量：
 STR_MAPGEN_DATE                                                 :{BLACK}日期：
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}工業數量：
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}地圖最高高度
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}將地圖上山丘的最高高度加 1
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}將地圖上山丘的最高高度減去 1
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}雪線高度：
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}將雪線高度上移一層
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}將雪線高度下移一層
@@ -2754,7 +2749,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}高度
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}大小：
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}改變地圖最高高度
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}修改雪線高度
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}修改開始年份

--- a/src/lang/turkish.txt
+++ b/src/lang/turkish.txt
@@ -1183,8 +1183,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Araçları ya d
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Arazi şekillendirmeye karşı belediye meclisinin tavrı: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Şirketlerin sebep olduğu gürültü ve çevreye zararın kasaba beğenilerini ve ilerideki inşaatlarını nasıl etkileyeceğini seçin

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Azami harita yüksekliği: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Haritadaki dağlar için izin verilen azami yüksekliği ayarla
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Azami harita yüksekliğini bu değere ayarlayamazsınız. Haritadaki en az bir dağ bu değerden yüksek
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Binaların, yolların vb. altındaki araziyi değiştirmeye izin ver: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Binaları ve yolları kaldırmaksızın altlarında yeryüzü şekillendirmesi yapılmasına izin ver
@@ -2819,9 +2817,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Şehir sayısı:
 STR_MAPGEN_DATE                                                 :{BLACK}Tarih:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Fabrika sayısı:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Azami harita yüksekliği:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Haritadaki azami dağ yüksekliğini bir arttır
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Haritadaki azami dağ yüksekliğini bir azalt
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Kar yüksekliği:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Kar yüksekliğini bir arttır
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Kar yüksekliğini bir azalt
@@ -2850,7 +2845,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Yüksekl
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Boyut:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Azami harita yüksekliğini değiştir
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Kar yüksekliğini değiştir
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Başlangıç yılını değiştir

--- a/src/lang/ukrainian.txt
+++ b/src/lang/ukrainian.txt
@@ -1330,8 +1330,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Перемкн
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Ставлення ради міста до зміни його території: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Виберіть, який рівень шуму та руйнування довкілля компаніями впливає на їх рейтинг для міст та подальші будівельні дії в їх межах

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Максимальна висота карти: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Встановити максимально дозволену висоту гір на карті
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Неможливо встановити таку висоти карти. Як мінімум одна гора на карті є вищою
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Дозволити зміну схилів під будівлями, дорогами тощо: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Можливість змінювати ландшафт під будівлями та дорогами без необхідності їх зносу
@@ -3004,9 +3002,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Міста:
 STR_MAPGEN_DATE                                                 :{BLACK}Дата:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Кількість виробництв:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Максимальна висота карти
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Збільшити максимальну висоту гір на карті на одиницю
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Зменшити максимальну висоту гір на карті на одиницю
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Висота лінії снігу:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Підвищити лінію снігу
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Понизити лінію снігу
@@ -3035,7 +3030,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Назв
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Розмір:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Змінити максимальну висоту карти
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Змінити висоту лінії снігу
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Змінити рік початку гри

--- a/src/lang/unfinished/frisian.txt
+++ b/src/lang/unfinished/frisian.txt
@@ -1155,8 +1155,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Skeakel rampen
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Hâlding gemeenten tsjinoer werstrukturearring: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Kies hoe grut ympact fan lûdsoerlêst en omwrâldskea toch bedriuwen is op har reputaasje by de lokale bestjoeren en takomstige konstruksje yn harren mêd

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maksimale kaarthichte: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Maksimale tastiene hichte fan bergen op 'e kaart ynstelle
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Omkriten oanpasse under gebouen, spoaren, ensafuorthinne tastean: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Stean lânskipsbewurkings ûnder gebouwen en spoarbanen ta sûnder dat dizze ferwidere wurde
 STR_CONFIG_SETTING_CATCHMENT                                    :Gebrûk meer realistyske hannelsgebieten: {STRING}
--- a/src/lang/vietnamese.txt
+++ b/src/lang/vietnamese.txt
@@ -1206,8 +1206,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Thay đổi tù
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Thái độ của hội đồng thành phố với việc xây dựng lại địa phương: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Lựa chọn mức độ ảnh hưởng môi trường và tiếng ồn gây ra bởi các công ty sẽ ảnh hưởng uy tín của công ty đối với chính quyền địa phương và các hoạt động xây dựng của họ trong địa bàn

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Chiều cao tối đa của bản đồ: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Thay đổi chiều cao tối đa cho phép cho các núi đồi trên bản đồ
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Bạn không thể đặt giá trị chiều cao tối đa này cho bản đổ. Phải có ít nhất 1 ngọn núi cao hơn bản đồ
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Cho phép thay đổi nền đất dưới công trình, đường.. (tự làm dốc): {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Cho phép thay đổi nền đất dưới công trình và đường mà không cần phá hủy chúng
@@ -2893,9 +2891,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Số lượng đô thị:
 STR_MAPGEN_DATE                                                 :{BLACK}Thời điểm:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Số lượng nhà máy:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Chiều cao tối đa của bản đồ
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Tăng chiều cao tối đa của núi đồi trên bản đồ 1 đơn vị
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Giảm chiều cao tối đa của núi đồi trên bản đồ 1 đơn vị
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Độ cao tuyết phủ:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Di chuyển độ cao tuyết phủ lên cao
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Di chuyển độ cao tuyết phủ xuống thấp
@@ -2924,7 +2919,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Tên b
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Cỡ:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Thay đổi chiều cao tối đa của bản đồ
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Thay đổi độ cao tuyết phủ
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Thay đổi thời điểm bắt đầu

--- a/src/lang/welsh.txt
+++ b/src/lang/welsh.txt
@@ -1159,8 +1159,6 @@ STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Toglo trychineb
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Agwedd y cyngor tref at ailstrwythuro'r ardal: {STRING}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Dewis faint y mae sŵn a niwed amgycheddol gan gwmnïau yn effeithio ar eu graddio trefol a gweithredoedd adeiladu pellach yn eu hardal

-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Uchder map uchafsymol: {STRING}
-STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Gosod yr uchder uchafsymol a ganiateir ar gyfer mynyddoedd ar y map
 STR_CONFIG_SETTING_TOO_HIGH_MOUNTAIN                            :{WHITE}Ni allwch osod uchder uchafsymol y map i'r gwerth yma. Mae o leiaf un mynydd ar y map yn uwch
 STR_CONFIG_SETTING_AUTOSLOPE                                    :Caniatáu tirffurfio o dan adeiladau, traciau, ayyb.: {STRING}
 STR_CONFIG_SETTING_AUTOSLOPE_HELPTEXT                           :Caniatáu tirffurfio o dan adeiladau a thraciau heb eu chwalu
@@ -2712,9 +2710,6 @@ STR_MAPGEN_BY                                                   :{BLACK}*
 STR_MAPGEN_NUMBER_OF_TOWNS                                      :{BLACK}Nifer trefi:
 STR_MAPGEN_DATE                                                 :{BLACK}Dyddiad:
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Nifer diwydiannau:
-STR_MAPGEN_MAX_HEIGHTLEVEL                                      :{BLACK}Uchder map uchafsymol:
-STR_MAPGEN_MAX_HEIGHTLEVEL_UP                                   :{BLACK}Cynyddu uchder uchafsymol mynyddoedd ar y map un uned
-STR_MAPGEN_MAX_HEIGHTLEVEL_DOWN                                 :{BLACK}Lleihau uchder uchafsymol mynyddoedd ar y map un uned
 STR_MAPGEN_SNOW_LINE_HEIGHT                                     :{BLACK}Uchder Llinell Eira:
 STR_MAPGEN_SNOW_LINE_UP                                         :{BLACK}Symud y llinell eira un yn uwch
 STR_MAPGEN_SNOW_LINE_DOWN                                       :{BLACK}Symud y llinell eira un yn is
@@ -2743,7 +2738,6 @@ STR_MAPGEN_HEIGHTMAP_NAME                                       :{BLACK}Enw'r Ma
 STR_MAPGEN_HEIGHTMAP_SIZE_LABEL                                 :{BLACK}Maint:
 STR_MAPGEN_HEIGHTMAP_SIZE                                       :{ORANGE}{NUM} x {NUM}

-STR_MAPGEN_MAX_HEIGHTLEVEL_QUERY_CAPT                           :{WHITE}Newid uchder uchafsymol y map
 STR_MAPGEN_SNOW_LINE_QUERY_CAPT                                 :{WHITE}Newid uchder Llinell Eira
 STR_MAPGEN_START_DATE_QUERY_CAPT                                :{WHITE}Newid y flwyddyn gychwyn

--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -2818,13 +2818,13 @@ static ChangeInfoResult GlobalVarChangeInfo(uint gvid, int numinfo, int prop, co
 						for (uint j = 0; j < SNOW_LINE_DAYS; j++) {
 							table[i][j] = buf->ReadByte();
 							if (_cur.grffile->grf_version >= 8) {
-								if (table[i][j] != 0xFF) table[i][j] = table[i][j] * (1 + _settings_game.construction.max_heightlevel) / 256;
+								if (table[i][j] != 0xFF) table[i][j] = table[i][j] * (1 + _settings_game.construction.map_height_limit) / 256;
 							} else {
 								if (table[i][j] >= 128) {
 									/* no snow */
 									table[i][j] = 0xFF;
 								} else {
-									table[i][j] = table[i][j] * (1 + _settings_game.construction.max_heightlevel) / 128;
+									table[i][j] = table[i][j] * (1 + _settings_game.construction.map_height_limit) / 128;
 								}
 							}
 						}
@@ -6507,7 +6507,7 @@ bool GetGlobalVariable(byte param, uint32 *value, const GRFFile *grffile)

 		case 0x20: { // snow line height
 			byte snowline = GetSnowLine();
-			if (_settings_game.game_creation.landscape == LT_ARCTIC && snowline <= _settings_game.construction.max_heightlevel) {
+			if (_settings_game.game_creation.landscape == LT_ARCTIC && snowline <= _settings_game.construction.map_height_limit) {
 				*value = Clamp(snowline * (grffile->grf_version >= 8 ? 1 : TILE_HEIGHT), 0, 0xFE);
 			} else {
 				/* No snow */
@@ -7182,7 +7182,7 @@ static uint32 GetPatchVariable(uint8 param)

 		/* The maximum height of the map. */
 		case 0x14:
-			return _settings_game.construction.max_heightlevel;
+			return _settings_game.construction.map_height_limit;

 		/* Extra foundations base sprite */
 		case 0x15:
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -676,7 +676,7 @@ bool AfterLoadGame()
 	}

 	if (IsSavegameVersionBefore(SLV_194) && SlXvIsFeatureMissing(XSLFI_HEIGHT_8_BIT)) {
-		_settings_game.construction.max_heightlevel = 15;
+		_settings_game.construction.map_height_limit = 15;

 		/* In old savegame versions, the heightlevel was coded in bits 0..3 of the type field */
 		for (TileIndex t = 0; t < map_size; t++) {
--- a/src/saveload/saveload.h
+++ b/src/saveload/saveload.h
@@ -306,7 +306,7 @@ enum SaveLoadVersion : uint16 {
 	SLV_SCRIPT_MEMLIMIT,                    ///< 215  PR#7516 Limit on AI/GS memory consumption.
 	SLV_MULTITILE_DOCKS,                    ///< 216  PR#7380 Multiple docks per station.
 	SLV_TRADING_AGE,                        ///< 217  PR#7780 Configurable company trading age.
-	SLV_ENDING_YEAR,                        ///< 218  PR#7747 v1.10 Configurable ending year.
+	SLV_ENDING_YEAR,                        ///< 218  PR#7747 v1.10  Configurable ending year.
 	SLV_REMOVE_TOWN_CARGO_CACHE,            ///< 219  PR#8258 Remove town cargo acceptance and production caches.

 	/* Patchpacks for a while considered it a good idea to jump a few versions
@@ -327,7 +327,8 @@ enum SaveLoadVersion : uint16 {

 	SLV_GS_INDUSTRY_CONTROL,                ///< 287  PR#7912 and PR#8115 GS industry control.
 	SLV_VEH_MOTION_COUNTER,                 ///< 288  PR#8591 Desync safe motion counter
-	SLV_INDUSTRY_TEXT,                      ///< 289  PR#8576 v1.11 Additional GS text for industries.
+	SLV_INDUSTRY_TEXT,                      ///< 289  PR#8576 v1.11.0-RC1  Additional GS text for industries.
+	SLV_MAPGEN_SETTINGS_REVAMP,             ///< 290  PR#8891 v1.11  Revamp of some mapgen settings (snow coverage, desert coverage, heightmap height, custom terrain type).

 	SL_MAX_VERSION,                         ///< Highest possible saveload version

--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -42,6 +42,7 @@ uint _num_screenshot_formats;         ///< Number of available screenshot format
 uint _cur_screenshot_format;          ///< Index of the currently selected screenshot format in #_screenshot_formats.
 static char _screenshot_name[128];    ///< Filename of the screenshot file.
 char _full_screenshot_name[MAX_PATH]; ///< Pathname of the screenshot file.
+uint _heightmap_highest_peak;         ///< When saving a heightmap, this contains the highest peak on the map.

 static const char *_screenshot_aux_text_key = nullptr;
 static const char *_screenshot_aux_text_value = nullptr;
@@ -848,7 +849,7 @@ static void HeightmapCallback(void *userdata, void *buffer, uint y, uint pitch,
 	while (n > 0) {
 		TileIndex ti = TileXY(MapMaxX(), y);
 		for (uint x = MapMaxX(); true; x--) {
-			*buf = 256 * TileHeight(ti) / (1 + _settings_game.construction.max_heightlevel);
+			*buf = 256 * TileHeight(ti) / (1 + _heightmap_highest_peak);
 			buf++;
 			if (x == 0) break;
 			ti = TILE_ADDXY(ti, -1, 0);
@@ -871,6 +872,13 @@ bool MakeHeightmapScreenshot(const char *filename)
 		palette[i].g = i;
 		palette[i].b = i;
 	}
+
+	_heightmap_highest_peak = 0;
+	for (TileIndex tile = 0; tile < MapSize(); tile++) {
+		uint h = TileHeight(tile);
+		_heightmap_highest_peak = std::max(h, _heightmap_highest_peak);
+	}
+
 	const ScreenshotFormat *sf = _screenshot_formats + _cur_screenshot_format;
 	return sf->proc(filename, HeightmapCallback, nullptr, MapSizeX(), MapSizeY(), 8, palette);
 }
@@ -918,11 +926,17 @@ void MakeScreenshotWithConfirm(ScreenshotType t)
 * Show a a success or failure message indicating the result of a screenshot action
 * @param ret  whether the screenshot action was successful
 */
-static void ShowScreenshotResultMessage(bool ret)
+static void ShowScreenshotResultMessage(ScreenshotType t, bool ret)
 {
 	if (ret) {
-		SetDParamStr(0, _screenshot_name);
-		ShowErrorMessage(STR_MESSAGE_SCREENSHOT_SUCCESSFULLY, INVALID_STRING_ID, WL_WARNING);
+		if (t == SC_HEIGHTMAP) {
+			SetDParamStr(0, _screenshot_name);
+			SetDParam(1, _heightmap_highest_peak);
+			ShowErrorMessage(STR_MESSAGE_HEIGHTMAP_SUCCESSFULLY, INVALID_STRING_ID, WL_CRITICAL);
+		} else {
+			SetDParamStr(0, _screenshot_name);
+			ShowErrorMessage(STR_MESSAGE_SCREENSHOT_SUCCESSFULLY, INVALID_STRING_ID, WL_WARNING);
+		}
 	} else {
 		ShowErrorMessage(STR_ERROR_SCREENSHOT_FAILED, INVALID_STRING_ID, WL_ERROR);
 	}
@@ -990,7 +1004,7 @@ bool MakeScreenshot(ScreenshotType t, const char *name, uint32 width, uint32 hei
 			NOT_REACHED();
 	}

-	ShowScreenshotResultMessage(ret);
+	ShowScreenshotResultMessage(t, ret);

 	return ret;
 }
@@ -1021,7 +1035,7 @@ bool MakeSmallMapScreenshot(unsigned int width, unsigned int height, SmallMapWin
 	_screenshot_name[0] = '\0';
 	const ScreenshotFormat *sf = _screenshot_formats + _cur_screenshot_format;
 	bool ret = sf->proc(MakeScreenshotName(SCREENSHOT_NAME, sf->extension), SmallMapCallback, window, width, height, BlitterFactory::GetCurrentBlitter()->GetScreenDepth(), _cur_palette.palette);
-	ShowScreenshotResultMessage(ret);
+	ShowScreenshotResultMessage(SC_SMALLMAP, ret);
 	return ret;
 }

--- a/src/screenshot.h
+++ b/src/screenshot.h
@@ -24,6 +24,7 @@ enum ScreenshotType {
 	SC_WORLD_ZOOM,  ///< World screenshot using current zoom level.
 	SC_HEIGHTMAP,   ///< Heightmap of the world.
 	SC_MINIMAP,     ///< Minimap screenshot.
+	SC_SMALLMAP,    ///< Smallmap window screenshot.
 };

 class SmallMapWindow;
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -860,6 +860,7 @@ bool SettingDesc::IsEditable(bool do_command) const
 	if ((this->desc.flags & SGF_NEWGAME_ONLY) &&
 			(_game_mode == GM_NORMAL ||
 			(_game_mode == GM_EDITOR && !(this->desc.flags & SGF_SCENEDIT_TOO)))) return false;
+	if ((this->desc.flags & SGF_SCENEDIT_ONLY) && _game_mode != GM_EDITOR) return false;
 	return true;
 }

@@ -1491,6 +1492,12 @@ static bool InvalidateAllVehicleImageCaches(int32 p1)
 	return true;
 }

+static bool ClimateThresholdModeChanged(int32 p1)
+{
+	InvalidateWindowClassesData(WC_GENERATE_LANDSCAPE);
+	return true;
+}
+
 /** Checks if any settings are set to incorrect values, and sets them to correct values in that case. */
 static void ValidateSettings()
 {
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -1850,7 +1850,7 @@ static SettingsContainer &GetSettingsTree()
 			limitations->Add(new SettingEntry("construction.command_pause_level"));
 			limitations->Add(new SettingEntry("construction.autoslope"));
 			limitations->Add(new SettingEntry("construction.extra_dynamite"));
-			limitations->Add(new SettingEntry("construction.max_heightlevel"));
+			limitations->Add(new SettingEntry("construction.map_height_limit"));
 			limitations->Add(new SettingEntry("construction.max_bridge_length"));
 			limitations->Add(new SettingEntry("construction.max_bridge_height"));
 			limitations->Add(new SettingEntry("construction.max_tunnel_length"));
@@ -1901,8 +1901,12 @@ static SettingsContainer &GetSettingsTree()
 			genworld->Add(new SettingEntry("difficulty.terrain_type"));
 			genworld->Add(new SettingEntry("game_creation.tgen_smoothness"));
 			genworld->Add(new SettingEntry("game_creation.variety"));
+			genworld->Add(new SettingEntry("game_creation.climate_threshold_mode"));
+			genworld->Add(new SettingEntry("game_creation.snow_coverage"));
 			genworld->Add(new SettingEntry("game_creation.snow_line_height"));
+			genworld->Add(new SettingEntry("game_creation.desert_coverage"));
 			genworld->Add(new SettingEntry("game_creation.rainforest_line_height"));
+			genworld->Add(new SettingEntry("game_creation.amount_of_rivers"));
 			SettingsPage *rivers = genworld->Add(new SettingsPage(STR_CONFIG_SETTING_GENWORLD_RIVERS_LAKES));
 			{
 				rivers->Add(new SettingEntry("game_creation.amount_of_rivers"));
--- a/src/settings_internal.h
+++ b/src/settings_internal.h
@@ -37,18 +37,19 @@ enum SettingGuiFlag : uint16 {
 	/* 1 byte allocated for a maximum of 8 flags
 	 * Flags directing saving/loading of a variable */
 	SGF_NONE = 0,
-	SGF_0ISDISABLED  = 1 << 0, ///< a value of zero means the feature is disabled
-	SGF_DISPLAY_ABS  = 1 << 1, ///< display absolute value of the setting
-	SGF_MULTISTRING  = 1 << 2, ///< the value represents a limited number of string-options (internally integer)
-	SGF_NETWORK_ONLY = 1 << 3, ///< this setting only applies to network games
-	SGF_CURRENCY     = 1 << 4, ///< the number represents money, so when reading value multiply by exchange rate
-	SGF_NO_NETWORK   = 1 << 5, ///< this setting does not apply to network games; it may not be changed during the game
-	SGF_NEWGAME_ONLY = 1 << 6, ///< this setting cannot be changed in a game
-	SGF_SCENEDIT_TOO = 1 << 7, ///< this setting can be changed in the scenario editor (only makes sense when SGF_NEWGAME_ONLY is set)
-	SGF_PER_COMPANY  = 1 << 8, ///< this setting can be different for each company (saved in company struct)
-	SGF_DECIMAL1     = 1 << 9, ///< display a decimal representation of the setting value divided by 10
-	SGF_ENUM         = 1 << 10,///< the setting can take one of the values given by an array of struct SettingDescEnumEntry
-	SGF_NO_NEWGAME   = 1 << 11,///< the setting does not apply and is not shown in a new game context
+	SGF_0ISDISABLED   = 1 << 0, ///< a value of zero means the feature is disabled
+	SGF_DISPLAY_ABS   = 1 << 1, ///< display absolute value of the setting
+	SGF_MULTISTRING   = 1 << 2, ///< the value represents a limited number of string-options (internally integer)
+	SGF_NETWORK_ONLY  = 1 << 3, ///< this setting only applies to network games
+	SGF_CURRENCY      = 1 << 4, ///< the number represents money, so when reading value multiply by exchange rate
+	SGF_NO_NETWORK    = 1 << 5, ///< this setting does not apply to network games; it may not be changed during the game
+	SGF_NEWGAME_ONLY  = 1 << 6, ///< this setting cannot be changed in a game
+	SGF_SCENEDIT_TOO  = 1 << 7, ///< this setting can be changed in the scenario editor (only makes sense when SGF_NEWGAME_ONLY is set)
+	SGF_PER_COMPANY   = 1 << 8, ///< this setting can be different for each company (saved in company struct)
+	SGF_SCENEDIT_ONLY = 1 << 9, ///< this setting can only be changed in the scenario editor
+	SGF_DECIMAL1      = 1 << 10,///< display a decimal representation of the setting value divided by 10
+	SGF_ENUM          = 1 << 11,///< the setting can take one of the values given by an array of struct SettingDescEnumEntry
+	SGF_NO_NEWGAME    = 1 << 12,///< the setting does not apply and is not shown in a new game context
 };
 DECLARE_ENUM_AS_BIT_SET(SettingGuiFlag)

--- a/src/settings_type.h
+++ b/src/settings_type.h
@@ -361,8 +361,12 @@ struct GameCreationSettings {
 	uint8  map_y;                            ///< Y size of map
 	byte   land_generator;                   ///< the landscape generator
 	byte   oil_refinery_limit;               ///< distance oil refineries allowed from map edge
-	byte   snow_line_height;                 ///< the configured snow line height
+	byte   snow_line_height;                 ///< the configured snow line height (deduced from "snow_coverage")
+	byte   snow_coverage;                    ///< the amount of snow coverage on the map
 	byte   rainforest_line_height;           ///< the configured rainforest line height
+	byte   desert_coverage;                  ///< the amount of desert coverage on the map
+	byte   climate_threshold_mode;           ///< climate threshold mode
+	byte   heightmap_height;                 ///< highest mountain for heightmap (towards what it scales)
 	byte   tgen_smoothness;                  ///< how rough is the terrain from 0-3
 	byte   tree_placer;                      ///< the tree placer algorithm
 	byte   heightmap_rotation;               ///< rotation director for the heightmap
@@ -372,6 +376,7 @@ struct GameCreationSettings {
 	byte   water_borders;                    ///< bitset of the borders that are water
 	uint16 custom_town_number;               ///< manually entered number of towns
 	byte   variety;                          ///< variety level applied to TGP
+	byte   custom_terrain_type;              ///< manually entered height for TGP to aim for
 	byte   custom_sea_level;                 ///< manually entered percentage of water in the map
 	byte   min_river_length;                 ///< the minimum river length
 	byte   river_route_random;               ///< the amount of randomicity for the route finding
@@ -386,7 +391,7 @@ struct GameCreationSettings {

 /** Settings related to construction in-game */
 struct ConstructionSettings {
-	uint8  max_heightlevel;                  ///< maximum allowed heightlevel
+	uint8  map_height_limit;                 ///< the maximum allowed heightlevel
 	bool   build_on_slopes;                  ///< allow building on slopes
 	bool   autoslope;                        ///< allow terraforming under things
 	uint16 max_bridge_length;                ///< maximum length of bridges
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -272,12 +272,12 @@ void BuildLandLegend()
 	/* Table for delta; if max_height is less than the first column, use the second column as value. */
 	uint deltas[][2] = { { 24, 2 }, { 48, 4 }, { 72, 6 }, { 120, 10 }, { 180, 15 }, { 240, 20 }, { MAX_TILE_HEIGHT + 1, 25 }};
 	uint i = 0;
-	for (; _settings_game.construction.max_heightlevel >= deltas[i][0]; i++) {
+	for (; _settings_game.construction.map_height_limit >= deltas[i][0]; i++) {
 		/* Nothing to do here. */
 	}
 	uint delta = deltas[i][1];

-	int total_entries = (_settings_game.construction.max_heightlevel / delta) + 1;
+	int total_entries = (_settings_game.construction.map_height_limit / delta) + 1;
 	int rows = CeilDiv(total_entries, 2);
 	int j = 0;

@@ -1017,11 +1017,11 @@ SmallMapWindow::~SmallMapWindow()
 void SmallMapWindow::RebuildColourIndexIfNecessary()
 {
 	/* Rebuild colour indices if necessary. */
-	if (SmallMapWindow::max_heightlevel == _settings_game.construction.max_heightlevel) return;
+	if (SmallMapWindow::map_height_limit == _settings_game.construction.map_height_limit) return;

 	for (uint n = 0; n < lengthof(_heightmap_schemes); n++) {
 		/* The heights go from 0 up to and including maximum. */
-		int heights = _settings_game.construction.max_heightlevel + 1;
+		int heights = _settings_game.construction.map_height_limit + 1;
 		_heightmap_schemes[n].height_colours = ReallocT<uint32>(_heightmap_schemes[n].height_colours, heights);

 		for (int z = 0; z < heights; z++) {
@@ -1032,7 +1032,7 @@ void SmallMapWindow::RebuildColourIndexIfNecessary()
 		}
 	}

-	SmallMapWindow::max_heightlevel = _settings_game.construction.max_heightlevel;
+	SmallMapWindow::map_height_limit = _settings_game.construction.map_height_limit;
 	BuildLandLegend();
 }

@@ -1706,7 +1706,7 @@ void SmallMapWindow::ScreenshotCallbackHandler(void *buf, uint y, uint pitch, ui

 SmallMapWindow::SmallMapType SmallMapWindow::map_type = SMT_CONTOUR;
 bool SmallMapWindow::show_towns = true;
-int SmallMapWindow::max_heightlevel = -1;
+int SmallMapWindow::map_height_limit = -1;

 /**
 * Custom container class for displaying smallmap with a vertically resizing legend panel.
--- a/src/smallmap_gui.h
+++ b/src/smallmap_gui.h
@@ -86,7 +86,7 @@ protected:

 	static SmallMapType map_type; ///< Currently displayed legends.
 	static bool show_towns;       ///< Display town names in the smallmap.
-	static int max_heightlevel;   ///< Currently used/cached maximum heightlevel.
+	static int map_height_limit;  ///< Currently used/cached map height limit.

 	static const uint LEGEND_BLOB_WIDTH = 8;              ///< Width of the coloured blob in front of a line text in the #WID_SM_LEGEND widget.
 	static const uint INDUSTRY_MIN_NUMBER_OF_COLUMNS = 2; ///< Minimal number of columns in the #WID_SM_LEGEND widget for the #SMT_INDUSTRY legend.
--- a/src/table/settings.ini
+++ b/src/table/settings.ini
@@ -61,6 +61,7 @@ static bool ViewportMapShowTunnelModeChanged(int32 p1);
 static bool ViewportMapLandscapeModeChanged(int32 p1);
 static bool UpdateLinkgraphColours(int32 p1);
 static bool InvalidateAllVehicleImageCaches(int32 p1);
+static bool ClimateThresholdModeChanged(int32 p1);

 static bool UpdateClientName(int32 p1);
 static bool UpdateServerPassword(int32 p1);
@@ -350,7 +351,7 @@ from     = SLV_97
 guiflags = SGF_MULTISTRING | SGF_NEWGAME_ONLY
 def      = 1
 min      = 0
-max      = 4
+max      = 5
 interval = 1
 str      = STR_CONFIG_SETTING_TERRAIN_TYPE
 strhelp  = STR_CONFIG_SETTING_TERRAIN_TYPE_HELPTEXT
@@ -537,19 +538,19 @@ cat      = SC_BASIC

 [SDT_VAR]
 base     = GameSettings
-var      = construction.max_heightlevel
+var      = construction.map_height_limit
 type     = SLE_UINT8
 from     = SLV_194
-guiflags = SGF_NEWGAME_ONLY | SGF_SCENEDIT_TOO
-def      = DEF_MAX_HEIGHTLEVEL
-min      = MIN_MAX_HEIGHTLEVEL
-max      = MAX_MAX_HEIGHTLEVEL
+guiflags = SGF_NEWGAME_ONLY | SGF_SCENEDIT_TOO | SGF_0ISDISABLED
+def      = 0
+min      = MIN_MAP_HEIGHT_LIMIT
+max      = MAX_MAP_HEIGHT_LIMIT
 interval = 1
-str      = STR_CONFIG_SETTING_MAX_HEIGHTLEVEL
-strhelp  = STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT
-strval   = STR_JUST_INT
+str      = STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT
+strhelp  = STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT_HELPTEXT
+strval   = STR_CONFIG_SETTING_MAP_HEIGHT_LIMIT_VALUE
 proc     = ChangeMaxHeightLevel
-cat      = SC_BASIC
+cat      = SC_ADVANCED
 extver   = SlXvFeatureTest(XSLFTO_OR, XSLFI_HEIGHT_8_BIT, 1, 1)

 ;; construction.allow_more_heightlevels
@@ -557,6 +558,17 @@ extver   = SlXvFeatureTest(XSLFTO_OR, XSLFI_HEIGHT_8_BIT, 1, 1)
 length   = 1
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_CHILLPP)

+[SDT_VAR]
+base     = GameSettings
+var      = game_creation.heightmap_height
+type     = SLE_UINT8
+from     = SLV_MAPGEN_SETTINGS_REVAMP
+guiflags = SGF_NEWGAME_ONLY
+def      = MAP_HEIGHT_LIMIT_AUTO_MINIMUM
+min      = MIN_HEIGHTMAP_HEIGHT
+max      = MAX_MAP_HEIGHT_LIMIT
+interval = 1
+
 [SDT_BOOL]
 base     = GameSettings
 var      = construction.build_on_slopes
@@ -2235,6 +2247,20 @@ strval   = STR_JUST_COMMA
 cat      = SC_BASIC
 patxname = ""rainforest_line_height.game_creation.rainforest_line_height""

+[SDT_VAR]
+base     = GameSettings
+var      = game_creation.climate_threshold_mode
+type     = SLE_UINT8
+guiflags = SGF_MULTISTRING | SGF_NEWGAME_ONLY
+def      = 0
+min      = 0
+max      = 1
+str      = STR_CONFIG_SETTING_CLIMATE_THRESHOLD_MODE
+strhelp  = STR_CONFIG_SETTING_CLIMATE_THRESHOLD_MODE_HELPTEXT
+strval   = STR_CONFIG_SETTING_CLIMATE_THRESHOLD_COVERAGE
+proc     = ClimateThresholdModeChanged
+patxname = ""climate.game_creation.climate_threshold_mode""
+
 ;;game_creation.desert_amount
 [SDT_NULL]
 length   = 1
@@ -2250,6 +2276,36 @@ extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_CHILLPP)
 length   = 1
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)

+[SDT_VAR]
+base     = GameSettings
+var      = game_creation.snow_coverage
+type     = SLE_UINT8
+from     = SLV_MAPGEN_SETTINGS_REVAMP
+guiflags = SGF_NEWGAME_ONLY
+def      = DEF_SNOW_COVERAGE
+min      = 0
+max      = 100
+interval = 10
+str      = STR_CONFIG_SETTING_SNOW_COVERAGE
+strhelp  = STR_CONFIG_SETTING_SNOW_COVERAGE_HELPTEXT
+strval   = STR_CONFIG_SETTING_SNOW_COVERAGE_VALUE
+cat      = SC_BASIC
+
+[SDT_VAR]
+base     = GameSettings
+var      = game_creation.desert_coverage
+type     = SLE_UINT8
+from     = SLV_MAPGEN_SETTINGS_REVAMP
+guiflags = SGF_NEWGAME_ONLY
+def      = DEF_DESERT_COVERAGE
+min      = 0
+max      = 100
+interval = 10
+str      = STR_CONFIG_SETTING_DESERT_COVERAGE
+strhelp  = STR_CONFIG_SETTING_DESERT_COVERAGE_HELPTEXT
+strval   = STR_CONFIG_SETTING_DESERT_COVERAGE_VALUE
+cat      = SC_BASIC
+
 [SDT_NULL]
 length   = 4
 to       = SLV_144
@@ -3790,6 +3846,17 @@ extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
 xref     = ""construction.trees_around_snow_line_range""
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)

+[SDT_VAR]
+base     = GameSettings
+var      = game_creation.custom_terrain_type
+type     = SLE_UINT8
+from     = SLV_MAPGEN_SETTINGS_REVAMP
+guiflags = SGF_NEWGAME_ONLY
+def      = MAP_HEIGHT_LIMIT_AUTO_MINIMUM
+min      = MIN_CUSTOM_TERRAIN_TYPE
+max      = MAX_MAP_HEIGHT_LIMIT
+interval = 1
+
 [SDT_VAR]
 base     = GameSettings
 var      = game_creation.custom_sea_level
--- a/src/terraform_cmd.cpp
+++ b/src/terraform_cmd.cpp
@@ -104,7 +104,7 @@ static CommandCost TerraformTileHeight(TerraformerState *ts, TileIndex tile, int

 	/* Check range of destination height */
 	if (height < 0) return_cmd_error(STR_ERROR_ALREADY_AT_SEA_LEVEL);
-	if (height > _settings_game.construction.max_heightlevel) return_cmd_error(STR_ERROR_TOO_HIGH);
+	if (height > _settings_game.construction.map_height_limit) return_cmd_error(STR_ERROR_TOO_HIGH);

 	/*
 	 * Check if the terraforming has any effect.
@@ -361,7 +361,7 @@ CommandCost CmdLevelLand(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 	}

 	/* Check range of destination height */
-	if (h > _settings_game.construction.max_heightlevel) return_cmd_error((oldh == 0) ? STR_ERROR_ALREADY_AT_SEA_LEVEL : STR_ERROR_TOO_HIGH);
+	if (h > _settings_game.construction.map_height_limit) return_cmd_error((oldh == 0) ? STR_ERROR_ALREADY_AT_SEA_LEVEL : STR_ERROR_TOO_HIGH);

 	Money money = GetAvailableMoneyForCommand();
 	CommandCost cost(EXPENSES_CONSTRUCTION);
--- a/src/tgp.cpp
+++ b/src/tgp.cpp
@@ -215,6 +215,13 @@ static const amplitude_t _water_percent[4] = {70, 170, 270, 420};
 */
 static height_t TGPGetMaxHeight()
 {
+	if (_settings_game.difficulty.terrain_type == CUSTOM_TERRAIN_TYPE_NUMBER_DIFFICULTY) {
+		/* TGP never reaches this height; this means that if a user inputs "2",
+		 * it would create a flat map without the "+ 1". But that would
+		 * overflow on "255". So we reduce it by 1 to get back in range. */
+		return I2H(_settings_game.game_creation.custom_terrain_type + 1) - 1;
+	}
+
 	/**
 	 * Desired maximum height - indexed by:
 	 *  - _settings_game.difficulty.terrain_type
@@ -238,25 +245,20 @@ static height_t TGPGetMaxHeight()
 	int map_size_bucket = std::min(MapLogX(), MapLogY()) - MIN_MAP_SIZE_BITS;
 	int max_height_from_table = max_height[_settings_game.difficulty.terrain_type][map_size_bucket];

-	/* Arctic needs snow to have all industries, so make sure we allow TGP to generate this high. */
-	if (_settings_game.game_creation.landscape == LT_ARCTIC) {
-		max_height_from_table += _settings_newgame.game_creation.snow_line_height;
-		/* Make flat a bit more flat by removing "very flat" from it, to somewhat compensate for the increase we just did. */
-		if (_settings_game.difficulty.terrain_type > 0) {
-			max_height_from_table -= max_height[_settings_game.difficulty.terrain_type - 1][map_size_bucket];
-		}
-	}
-	/* Tropic needs tropical forest to have all industries, so make sure we allow TGP to generate this high.
-	 * Tropic forest always starts at 1/4th of the max height. */
-	if (_settings_game.game_creation.landscape == LT_TROPIC) {
-		max_height_from_table += CeilDiv(_settings_game.construction.max_heightlevel, 4);
-		/* Make flat a bit more flat by removing "very flat" from it, to somewhat compensate for the increase we just did. */
-		if (_settings_game.difficulty.terrain_type > 0) {
-			max_height_from_table -= max_height[_settings_game.difficulty.terrain_type - 1][map_size_bucket];
-		}
+	/* If there is a manual map height limit, clamp to it. */
+	if (_settings_game.construction.map_height_limit != 0) {
+		max_height_from_table = std::min<uint>(max_height_from_table, _settings_game.construction.map_height_limit);
 	}

-	return I2H(std::min<uint>(max_height_from_table, _settings_game.construction.max_heightlevel));
+	return I2H(max_height_from_table);
+}
+
+/**
+ * Get an overestimation of the highest peak TGP wants to generate.
+ */
+uint GetEstimationTGPMapHeight()
+{
+	return H2I(TGPGetMaxHeight());
 }

 /**
--- a/src/tgp.h
+++ b/src/tgp.h
@@ -11,5 +11,6 @@
 #define TGP_H

 void GenerateTerrainPerlin();
+uint GetEstimationTGPMapHeight();

 #endif /* TGP_H */
--- a/src/tile_type.h
+++ b/src/tile_type.h
@@ -21,9 +21,11 @@ static const int MAX_VEHICLE_PIXEL_Y  = 96;                    ///< Maximum heig

 static const uint MAX_TILE_HEIGHT     = 255;                   ///< Maximum allowed tile height

-static const uint MIN_MAX_HEIGHTLEVEL = 15;                    ///< Lower bound of maximum allowed heightlevel (in the construction settings)
-static const uint DEF_MAX_HEIGHTLEVEL = 30;                    ///< Default maximum allowed heightlevel (in the construction settings)
-static const uint MAX_MAX_HEIGHTLEVEL = MAX_TILE_HEIGHT;       ///< Upper bound of maximum allowed heightlevel (in the construction settings)
+static const uint MIN_HEIGHTMAP_HEIGHT = 1;                    ///< Lowest possible peak value for heightmap creation
+static const uint MIN_CUSTOM_TERRAIN_TYPE = 1;                 ///< Lowest possible peak value for world generation
+
+static const uint MIN_MAP_HEIGHT_LIMIT = 15;                   ///< Lower bound of maximum allowed heightlevel (in the construction settings)
+static const uint MAX_MAP_HEIGHT_LIMIT = MAX_TILE_HEIGHT;      ///< Upper bound of maximum allowed heightlevel (in the construction settings)

 static const uint MIN_SNOWLINE_HEIGHT = 2;                     ///< Minimum snowline height
 static const uint DEF_SNOWLINE_HEIGHT = 10;                    ///< Default snowline height
@@ -33,6 +35,9 @@ static const uint MIN_RAINFOREST_HEIGHT = 1;                   ///< Minimum rain
 static const uint DEF_RAINFOREST_HEIGHT = 8;                   ///< Default rainforest height
 static const uint MAX_RAINFOREST_HEIGHT = 255;                 ///< Maximum rainforest height

+static const uint DEF_SNOW_COVERAGE = 40;                      ///< Default snow coverage.
+static const uint DEF_DESERT_COVERAGE = 50;                    ///< Default desert coverage.
+

 /**
 * The different types of tiles.
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -2446,7 +2446,7 @@ void ViewportDrawPlans(const Viewport *vp)
 		ScaleByZoom(_dpi_for_text.left - 2, vp->zoom),
 		ScaleByZoom(_dpi_for_text.top - 2, vp->zoom),
 		ScaleByZoom(_dpi_for_text.left + _dpi_for_text.width + 2, vp->zoom),
-		ScaleByZoom(_dpi_for_text.top + _dpi_for_text.height + 2, vp->zoom) + (int)(ZOOM_LVL_BASE * TILE_HEIGHT * _settings_game.construction.max_heightlevel)
+		ScaleByZoom(_dpi_for_text.top + _dpi_for_text.height + 2, vp->zoom) + (int)(ZOOM_LVL_BASE * TILE_HEIGHT * _settings_game.construction.map_height_limit)
 	};

 	const int min_coord_delta = bounds.left / (int)(2 * ZOOM_LVL_BASE * TILE_SIZE);
--- a/src/widgets/genworld_widget.h
+++ b/src/widgets/genworld_widget.h
@@ -26,14 +26,22 @@ enum GenerateLandscapeWidgets {

 	WID_GL_GENERATE_BUTTON,             ///< 'Generate' button.

-	WID_GL_MAX_HEIGHTLEVEL_DOWN,        ///< Decrease max. heightlevel
-	WID_GL_MAX_HEIGHTLEVEL_TEXT,        ///< Max. heightlevel
-	WID_GL_MAX_HEIGHTLEVEL_UP,          ///< Increase max. heightlevel
+	WID_GL_HEIGHTMAP_HEIGHT_DOWN,       ///< Decrease heightmap highest mountain
+	WID_GL_HEIGHTMAP_HEIGHT_TEXT,       ///< Max. heightmap highest mountain
+	WID_GL_HEIGHTMAP_HEIGHT_UP,         ///< Increase max. heightmap highest mountain

 	WID_GL_START_DATE_DOWN,             ///< Decrease start year.
 	WID_GL_START_DATE_TEXT,             ///< Start year.
 	WID_GL_START_DATE_UP,               ///< Increase start year.

+	WID_GL_SNOW_COVERAGE_DOWN,          ///< Decrease snow coverage.
+	WID_GL_SNOW_COVERAGE_TEXT,          ///< Snow coverage.
+	WID_GL_SNOW_COVERAGE_UP,            ///< Increase snow coverage.
+
+	WID_GL_DESERT_COVERAGE_DOWN,        ///< Decrease desert coverage.
+	WID_GL_DESERT_COVERAGE_TEXT,        ///< Desert coverage.
+	WID_GL_DESERT_COVERAGE_UP,          ///< Increase desert coverage.
+
 	WID_GL_SNOW_LEVEL_DOWN,             ///< Decrease snow level.
 	WID_GL_SNOW_LEVEL_TEXT,             ///< Snow level.
 	WID_GL_SNOW_LEVEL_UP,               ///< Increase snow level.
@@ -60,8 +68,8 @@ enum GenerateLandscapeWidgets {
 	WID_GL_WATER_SE,                    ///< SE 'Water'/'Freeform'.
 	WID_GL_WATER_SW,                    ///< SW 'Water'/'Freeform'.

-	WID_GL_LEVEL_SEL_1,                 ///< NWID_SELECTION for snow or rainforest level label
-	WID_GL_LEVEL_SEL_2,                 ///< NWID_SELECTION for snow or rainforest level selector
+	WID_GL_CLIMATE_SEL_LABEL,           ///< NWID_SELECTION for snow or desert coverage label
+	WID_GL_CLIMATE_SEL_SELECTOR,        ///< NWID_SELECTION for snow or desert coverage selector
 };

 /** Widgets of the #CreateScenarioWindow class. */