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Source/WulaFallenEmpire/Damage/DamageDefExtension_TerrainCover.cs

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+using System.Collections.Generic;
+using RimWorld;
+using Verse;
+
+namespace WulaFallenEmpire
+{
+    // 地形覆盖配置的 ModExtension
+    public class DamageDefExtension_TerrainCover : DefModExtension
+    {
+        // 要生成的地形定义
+        public TerrainDef terrainToSpawn;
+        
+        // 生成概率（0-1）
+        public float terrainChance = 1f;
+        
+        // 检查特定单元格是否允许生成地形
+        public bool CanAffectCell(IntVec3 cell, Map map, out string reason)
+        {
+            reason = null;
+            
+            if (!cell.InBounds(map))
+            {
+                reason = "Cell out of bounds";
+                return false;
+            }
+            
+            // 检查地形类型
+            TerrainDef currentTerrain = cell.GetTerrain(map);
+            
+            // 检查是否可以构建地形
+            if (!GenConstruct.CanBuildOnTerrain(terrainToSpawn, cell, map, Rot4.North))
+            {
+                reason = "Cannot build on terrain";
+                return false;
+            }
+            
+            return true;
+        }
+    }
+}