Add initial support for loading JokerPP savegames

See #123

src/table/gameopt_settings.ini

@@ -153,6 +153,11 @@ min      = MIN_SNOWLINE_HEIGHT * TILE_HEIGHT
 max      = MAX_SNOWLINE_HEIGHT * TILE_HEIGHT
 to       = SLV_22
 
+;;game_creation.desert_amount
+[SDT_NULL]
+length   = 2
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_NULL]
 length   = 1
 from     = SLV_22

src/table/settings.ini

@@ -637,6 +637,10 @@ strval   = STR_CONFIG_SETTING_TILE_LENGTH
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_SPRINGPP, 2)
 xref     = ""construction.simulated_wormhole_signals""
 
+[SDT_XREF]
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+xref     = ""construction.simulated_wormhole_signals""
+
 [SDT_VAR]
 base     = GameSettings
 var      = construction.max_bridge_height
@@ -693,6 +697,10 @@ patxname = ""signal_tunnel_bridge.construction.simulated_wormhole_signals""
 xref     = ""construction.maximum_signal_evaluations""
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_SPRINGPP)
 
+[SDT_XREF]
+xref     = ""construction.chunnel""
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 ;; construction.longbridges
 [SDT_NULL]
 length   = 1
@@ -803,6 +811,11 @@ strhelp  = STR_CONFIG_SETTING_TOWN_CARGOGENMODE_HELPTEXT
 strval   = STR_CONFIG_SETTING_TOWN_CARGOGENMODE_ORIGINAL
 cat      = SC_ADVANCED
 
+;; economy.max_town_heightlevel
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 ; link graph
 
 [SDT_VAR]
@@ -837,7 +850,7 @@ var      = linkgraph.recalc_not_scaled_by_daylength
 def      = true
 str      = STR_CONFIG_SETTING_LINKGRAPH_NOT_DAYLENGTH_SCALED
 strhelp  = STR_CONFIG_SETTING_LINKGRAPH_NOT_DAYLENGTH_SCALED_HELPTEXT
-extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_LINKGRAPH_DAY_SCALE)
+extver   = SlXvFeatureTest([](uint16 version, bool version_in_range) -> bool { return version_in_range && SlXvIsFeaturePresent(XSLFI_LINKGRAPH_DAY_SCALE) && !SlXvIsFeaturePresent(XSLFI_JOKERPP); })
 patxname = ""linkgraph_day_scale.linkgraph.recalc_not_scaled_by_daylength""
 
 [SDT_ENUM]
@@ -1074,6 +1087,10 @@ strval   = STR_JUST_INT
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_TOWN_CARGO_ADJ, 1, 1)
 patxname = ""town_cargo_adj.economy.town_cargo_factor""
 
+[SDT_XREF]
+xref     = ""economy.old_town_cargo_factor""
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_VAR]
 base     = GameSettings
 var      = economy.town_cargo_scale_factor
@@ -1158,6 +1175,11 @@ strhelp  = STR_CONFIG_SETTING_FORBID_90_DEG_HELPTEXT
 proc     = InvalidateShipPathCache
 cat      = SC_EXPERT
 
+;; pf.back_of_one_way_pbs_waiting_point
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_VAR]
 base     = GameSettings
 var      = vehicle.max_train_length
@@ -1409,6 +1431,16 @@ str      = STR_CONFIG_SETTING_WAGONSPEEDLIMITS
 strhelp  = STR_CONFIG_SETTING_WAGONSPEEDLIMITS_HELPTEXT
 proc     = UpdateConsists
 
+;; vehicle.slow_road_vehicles_in_curves
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP, SL_JOKER_1_25)
+
+;; vehicle.train_speed_adaption
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_BOOL]
 base     = GameSettings
 var      = vehicle.disable_elrails
@@ -1562,6 +1594,19 @@ cat      = SC_EXPERT
 length   = 2
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_SPRINGPP)
 
+;; order.automatic_timetable_separation
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
+;; order.timetable_auto_travel_buffer
+;; order.timetable_auto_load_buffer
+;; order.timetable_auto_travel_rounding
+;; order.timetable_auto_load_rounding
+[SDT_NULL]
+length   = 4
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP, SL_JOKER_1_24)
+
 [SDTC_BOOL]
 var      = gui.sg_new_nonstop
 from     = SLV_22
@@ -1678,6 +1723,10 @@ str      = STR_CONFIG_SETTING_ENABLE_ROAD_CUSTOM_BRIDGE_HEADS
 strhelp  = STR_CONFIG_SETTING_ENABLE_ROAD_CUSTOM_BRIDGE_HEADS_HELPTEXT
 patxname = ""custom_bridge_heads.construction.road_custom_bridge_heads""
 
+[SDT_XREF]
+xref     = ""construction.road_custom_bridge_heads""
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_BOOL]
 base     = GameSettings
 var      = construction.rail_custom_bridge_heads
@@ -1895,6 +1944,11 @@ str      = STR_CONFIG_SETTING_ALLOW_GIVE_MONEY
 strhelp  = STR_CONFIG_SETTING_ALLOW_GIVE_MONEY_HELPTEXT
 cat      = SC_BASIC
 
+;; game_creation.tree_line_height
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_VAR]
 base     = GameSettings
 var      = game_creation.snow_line_height
@@ -1908,6 +1962,11 @@ strhelp  = STR_CONFIG_SETTING_SNOWLINE_HEIGHT_HELPTEXT
 strval   = STR_JUST_COMMA
 cat      = SC_BASIC
 
+;;game_creation.desert_amount
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_NULL]
 length   = 4
 to       = SLV_144
@@ -2109,6 +2168,10 @@ strhelp  = STR_CONFIG_SETTING_TOWN_MIN_DISTANCE_HELPTEXT
 strval   = STR_JUST_INT
 patxname = ""town_min_distance.economy.town_min_distance""
 
+[SDT_XREF]
+xref     = ""economy.town_min_distance""
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_XREF]
 xref     = ""economy.infrastructure_sharing[0]""
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_SPRINGPP)
@@ -2260,6 +2323,10 @@ str      = STR_CONFIG_SETTING_SHARING_PAYMENT_IN_DEBT
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_INFRA_SHARING)
 patxname = ""infra_sharing.economy.sharing_payment_in_debt""
 
+[SDT_XREF]
+xref     = ""economy.day_length_factor""
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 ; previously ai-new setting.
 [SDT_NULL]
 length   = 1
@@ -3215,6 +3282,14 @@ strval   = STR_CONFIG_SETTING_TREE_GROWTH_NORMAL
 cat      = SC_BASIC
 patxname = ""reduced_tree_growth.construction.tree_growth_rate""
 
+[SDT_XREF]
+xref     = ""construction.tree_growth_rate""
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
+[SDT_XREF]
+xref     = ""construction.trees_around_snow_line_range""
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 [SDT_VAR]
 base     = GameSettings
 var      = game_creation.custom_sea_level
@@ -3258,6 +3333,11 @@ str      = STR_CONFIG_SETTING_RIVER_AMOUNT
 strhelp  = STR_CONFIG_SETTING_RIVER_AMOUNT_HELPTEXT
 strval   = STR_RIVERS_NONE
 
+;;game_creation.build_public_roads
+[SDT_NULL]
+length   = 1
+extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_JOKERPP)
+
 ; locale
 
 [SDT_OMANY]