Resolve #8336 - Remove 'incorrect area' code for super-old maps

android/assets/jsons/translations/template.properties

@@ -524,8 +524,6 @@ Area: [amount] tiles, [amount2]% water, [amount3] continents/islands =
 Do you want to leave without saving the recent changes? = 
 Leave = 
 Do you want to load another map without saving the recent changes? = 
-Invalid map: Area ([area]) does not match saved dimensions ([dimensions]). = 
-The dimensions have now been fixed for you. = 
 River generation failed! = 
 Please don't use step 'Landmass' with map type 'Empty', create a new empty map instead. = 
 This map has errors: = 

core/src/com/unciv/logic/MapSaver.kt

@@ -14,23 +14,13 @@ object MapSaver {
 
     private fun getMap(mapName:String) = Gdx.files.local("$mapsFolder/$mapName")
 
-    fun mapFromSavedString(mapString: String, checkSizeErrors: Boolean = true): TileMap {
+    fun mapFromSavedString(mapString: String): TileMap {
         val unzippedJson = try {
             Gzip.unzip(mapString.trim())
         } catch (ex: Exception) {
             mapString
         }
-        return mapFromJson(unzippedJson).apply {
-            // old maps (rarely) can come with mapSize fields not matching tile list
-            if (checkSizeErrors && mapParameters.getArea() != values.size)
-                throw UncivShowableException("Invalid map: Area ([${values.size}]) does not match saved dimensions ([${mapParameters.displayMapDimensions()}]).")
-            // compatibility with rare maps saved with old mod names
-            if (!checkSizeErrors)
-                mapParameters.mods.filter { '-' in it }.forEach {
-                    mapParameters.mods.remove(it)
-                    mapParameters.mods.add(it.replace('-',' '))
-                }
-        }
+        return mapFromJson(unzippedJson)
     }
     fun mapToSavedString(tileMap: TileMap): String {
         tileMap.assignContinents(TileMap.AssignContinentsMode.Reassign)
@@ -42,8 +32,8 @@ object MapSaver {
         getMap(mapName).writeString(mapToSavedString(tileMap), false)
     }
 
-    fun loadMap(mapFile: FileHandle, checkSizeErrors: Boolean = true): TileMap {
-        return mapFromSavedString(mapFile.readString(), checkSizeErrors)
+    fun loadMap(mapFile: FileHandle): TileMap {
+        return mapFromSavedString(mapFile.readString())
     }
 
     fun getMaps(): Array<FileHandle> = Gdx.files.local(mapsFolder).list()

core/src/com/unciv/ui/mapeditor/MapEditorLoadTab.kt

@@ -9,9 +9,9 @@ import com.unciv.logic.MapSaver
 import com.unciv.logic.UncivShowableException
 import com.unciv.models.ruleset.RulesetCache
 import com.unciv.models.translations.tr
+import com.unciv.ui.popup.ConfirmPopup
 import com.unciv.ui.popup.Popup
 import com.unciv.ui.popup.ToastPopup
-import com.unciv.ui.popup.ConfirmPopup
 import com.unciv.ui.utils.AutoScrollPane
 import com.unciv.ui.utils.BaseScreen
 import com.unciv.ui.utils.KeyCharAndCode
@@ -105,7 +105,7 @@ class MapEditorLoadTab(
             }
         }
         try {
-            val map = MapSaver.loadMap(chosenMap!!, checkSizeErrors = false)
+            val map = MapSaver.loadMap(chosenMap!!)
 
             val missingMods = map.mapParameters.mods.filter { it !in RulesetCache }.toMutableList()
             // [TEMPORARY] conversion of old maps with a base ruleset contained in the mods

core/src/com/unciv/ui/mapeditor/MapEditorOptionsTab.kt

@@ -75,7 +75,7 @@ class MapEditorOptionsTab(
     private fun pasteHandler() {
         try {
             val clipboardContentsString = Gdx.app.clipboard.contents.trim()
-            val loadedMap = MapSaver.mapFromSavedString(clipboardContentsString, checkSizeErrors = false)
+            val loadedMap = MapSaver.mapFromSavedString(clipboardContentsString)
             editorScreen.loadMap(loadedMap)
         } catch (ex: Exception) {
             ToastPopup("Could not load map!", editorScreen)

core/src/com/unciv/ui/mapeditor/MapEditorScreen.kt

@@ -3,9 +3,7 @@ package com.unciv.ui.mapeditor
 import com.badlogic.gdx.Gdx
 import com.badlogic.gdx.graphics.Color
 import com.unciv.UncivGame
-import com.unciv.logic.HexMath
 import com.unciv.logic.map.MapParameters
-import com.unciv.logic.map.MapShape
 import com.unciv.logic.map.MapSize
 import com.unciv.logic.map.MapSizeNew
 import com.unciv.logic.map.TileInfo
@@ -14,10 +12,8 @@ import com.unciv.models.metadata.BaseRuleset
 import com.unciv.models.metadata.GameSetupInfo
 import com.unciv.models.ruleset.Ruleset
 import com.unciv.models.ruleset.RulesetCache
-import com.unciv.models.translations.tr
 import com.unciv.ui.images.ImageGetter
 import com.unciv.ui.popup.ConfirmPopup
-import com.unciv.ui.popup.ToastPopup
 import com.unciv.ui.tilegroups.TileGroup
 import com.unciv.ui.utils.BaseScreen
 import com.unciv.ui.utils.KeyCharAndCode
@@ -159,7 +155,6 @@ class MapEditorScreen(map: TileMap? = null): BaseScreen(), RecreateOnResize {
     fun loadMap(map: TileMap, newRuleset: Ruleset? = null, selectPage: Int = 0) {
         mapHolder.remove()
         tileMap = map
-        checkAndFixMapSize()
         ruleset = newRuleset ?: RulesetCache.getComplexRuleset(map.mapParameters)
         mapHolder = newMapHolder()
         isDirty = false
@@ -217,31 +212,5 @@ class MapEditorScreen(map: TileMap? = null): BaseScreen(), RecreateOnResize {
         highlightTile(tile, color)
     }
 
-    private fun checkAndFixMapSize() {
-        val areaFromTiles = tileMap.values.size
-        val params = tileMap.mapParameters
-        val areaFromSize = params.getArea()
-        if (areaFromSize == areaFromTiles) return
-
-        Gdx.app.postRunnable {
-            val message = ("Invalid map: Area ([$areaFromTiles]) does not match saved dimensions ([" +
-                    params.displayMapDimensions() + "]).").tr() +
-                    "\n" + "The dimensions have now been fixed for you.".tr()
-            ToastPopup(message, this@MapEditorScreen, 4000L )
-        }
-
-        if (params.shape == MapShape.hexagonal || params.shape == MapShape.flatEarth) {
-            params.mapSize = MapSizeNew(HexMath.getHexagonalRadiusForArea(areaFromTiles).toInt())
-            return
-        }
-
-        // These mimic tileMap.max* without the abs()
-        val minLatitude = (tileMap.values.map { it.latitude }.minOrNull() ?: 0f).toInt()
-        val minLongitude = (tileMap.values.map { it.longitude }.minOrNull() ?: 0f).toInt()
-        val maxLatitude = (tileMap.values.map { it.latitude }.maxOrNull() ?: 0f).toInt()
-        val maxLongitude = (tileMap.values.map { it.longitude }.maxOrNull() ?: 0f).toInt()
-        params.mapSize = MapSizeNew((maxLongitude - minLongitude + 1), (maxLatitude - minLatitude + 1) / 2)
-    }
-
     override fun recreate(): BaseScreen = MapEditorScreen(tileMap)
 }