spawnFlatEarthIceWalls doesnt crash if no snow terrain (#14663)

Ambeco · MPD · web-flow · commit b79d6b011ee7 · 2026-03-09T20:53:58.000+02:00
Hopefully this fixes #14659, but I cannot repro, so cannot be sure. Signed-off-by: MPD <mooing_psycho_duck@hotmail.com> Co-authored-by: MPD <mooing_psycho_duck@hotmail.com>
diff --git a/core/src/com/unciv/logic/map/mapgenerator/MapGenerator.kt b/core/src/com/unciv/logic/map/mapgenerator/MapGenerator.kt
@@ -693,7 +693,7 @@ class MapGenerator(val ruleset: Ruleset, private val coroutineScope: CoroutineSc
     }
 
     private fun spawnFlatEarthIceWalls(tileMap: TileMap, iceTerrains: List<TerrainOccursRange>) {
-        val snowTerrains = listOf(baseTerrainPicker.first { it.maybeSnow() })
+        val snowTerrains = baseTerrainPicker.filter { it.maybeSnow() }
         val mountainTerrains = baseTerrainPicker.filter { it.terrain.impassable && it.occursInChains && !it.rareFeature }
         val allArcticTerrains = iceTerrains + snowTerrains + mountainTerrains
 

Original file line number	Diff line number	Diff line change
`@@ -693,7 +693,7 @@ class MapGenerator(val ruleset: Ruleset, private val coroutineScope: CoroutineSc`
`693`	`693`	`}`
`694`	`694`
`695`	`695`	`private fun spawnFlatEarthIceWalls(tileMap: TileMap, iceTerrains: List<TerrainOccursRange>) {`
`696`		`- val snowTerrains = listOf(baseTerrainPicker.first { it.maybeSnow() })`
	`696`	`+ val snowTerrains = baseTerrainPicker.filter { it.maybeSnow() }`
`697`	`697`	`val mountainTerrains = baseTerrainPicker.filter { it.terrain.impassable && it.occursInChains && !it.rareFeature }`
`698`	`698`	`val allArcticTerrains = iceTerrains + snowTerrains + mountainTerrains`
`699`	`699`