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Reduce duplication in CreateDesertOrRainForest

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This commit is contained in:
Jonathan G Rennison
2022-03-05 14:59:31 +00:00
parent 22305e8795
commit f1b6eb932f
1 changed files with 27 additions and 61 deletions
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74
src/landscape.cpp
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@@ -1001,50 +1001,41 @@ static void GenerateTerrain(int type, uint flag)
#include "table/genland.h"
static std::pair<const TileIndexDiffC *, const TileIndexDiffC *> GetDesertOrRainforestData()
{
switch (_settings_game.game_creation.coast_tropics_width) {
case 0:
return { _make_desert_or_rainforest_data, endof(_make_desert_or_rainforest_data) };
case 1:
return { _make_desert_or_rainforest_data_medium, endof(_make_desert_or_rainforest_data_medium) };
case 2:
return { _make_desert_or_rainforest_data_large, endof(_make_desert_or_rainforest_data_large) };
default:
NOT_REACHED();
}
}
static void CreateDesertOrRainForest(uint desert_tropic_line)
{
TileIndex update_freq = MapSize() / 4;
const TileIndexDiffC *data;
const std::pair<const TileIndexDiffC *, const TileIndexDiffC *> desert_rainforest_data = GetDesertOrRainforestData();
for (TileIndex tile = 0; tile != MapSize(); ++tile) {
if ((tile % update_freq) == 0) IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
if (!IsValidTile(tile)) continue;
if (_settings_game.game_creation.coast_tropics_width == 0) {
for (data = _make_desert_or_rainforest_data;
data != endof(_make_desert_or_rainforest_data); ++data) {
for (data = desert_rainforest_data.first; data != desert_rainforest_data.second; ++data) {
TileIndex t = AddTileIndexDiffCWrap(tile, *data);
if (t != INVALID_TILE && (TileHeight(t) >= desert_tropic_line || IsTileType(t, MP_WATER))) break;
}
if (data == endof(_make_desert_or_rainforest_data)) {
if (data == desert_rainforest_data.second) {
SetTropicZone(tile, TROPICZONE_DESERT);
}
}
if (_settings_game.game_creation.coast_tropics_width == 1) {
for (data = _make_desert_or_rainforest_data_medium;
data != endof(_make_desert_or_rainforest_data_medium); ++data) {
TileIndex t = AddTileIndexDiffCWrap(tile, *data);
if (t != INVALID_TILE && (TileHeight(t) >= desert_tropic_line || IsTileType(t, MP_WATER))) break;
}
if (data == endof(_make_desert_or_rainforest_data_medium)) {
SetTropicZone(tile, TROPICZONE_DESERT);
}
}
if (_settings_game.game_creation.coast_tropics_width == 2) {
for (data = _make_desert_or_rainforest_data_large;
data != endof(_make_desert_or_rainforest_data_large); ++data) {
TileIndex t = AddTileIndexDiffCWrap(tile, *data);
if (t != INVALID_TILE && (TileHeight(t) >= desert_tropic_line || IsTileType(t, MP_WATER))) break;
}
if (data == endof(_make_desert_or_rainforest_data_large)) {
SetTropicZone(tile, TROPICZONE_DESERT);
}
}
}
for (uint i = 0; i != 256; i++) {
if ((i % 64) == 0) IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
@@ -1056,39 +1047,14 @@ static void CreateDesertOrRainForest(uint desert_tropic_line)
if (!IsValidTile(tile)) continue;
if (_settings_game.game_creation.coast_tropics_width == 0) {
for (data = _make_desert_or_rainforest_data;
data != endof(_make_desert_or_rainforest_data); ++data) {
for (data = desert_rainforest_data.first; data != desert_rainforest_data.second; ++data) {
TileIndex t = AddTileIndexDiffCWrap(tile, *data);
if (t != INVALID_TILE && IsTileType(t, MP_CLEAR) && IsClearGround(t, CLEAR_DESERT)) break;
}
if (data == endof(_make_desert_or_rainforest_data)) {
if (data == desert_rainforest_data.second) {
SetTropicZone(tile, TROPICZONE_RAINFOREST);
}
}
if (_settings_game.game_creation.coast_tropics_width == 1) {
for (data = _make_desert_or_rainforest_data_medium;
data != endof(_make_desert_or_rainforest_data_medium); ++data) {
TileIndex t = AddTileIndexDiffCWrap(tile, *data);
if (t != INVALID_TILE && IsTileType(t, MP_CLEAR) && IsClearGround(t, CLEAR_DESERT)) break;
}
if (data == endof(_make_desert_or_rainforest_data_medium)) {
SetTropicZone(tile, TROPICZONE_RAINFOREST);
}
}
if (_settings_game.game_creation.coast_tropics_width == 2) {
for (data = _make_desert_or_rainforest_data_large;
data != endof(_make_desert_or_rainforest_data_large); ++data) {
TileIndex t = AddTileIndexDiffCWrap(tile, *data);
if (t != INVALID_TILE && IsTileType(t, MP_CLEAR) && IsClearGround(t, CLEAR_DESERT)) break;
}
if (data == endof(_make_desert_or_rainforest_data_large)) {
SetTropicZone(tile, TROPICZONE_RAINFOREST);
}
}
}
}
/**