Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/Level_scarpetPlopMixin.java

@@ -0,0 +1,31 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.level.levelgen.Heightmap;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(Level.class)
+public class Level_scarpetPlopMixin
+{
+
+    @Redirect(method = "getHeight", at = @At(
+            value = "INVOKE",
+            target = "net/minecraft/world/level/chunk/LevelChunk.getHeight(Lnet/minecraft/world/level/levelgen/Heightmap$Types;II)I"
+    ))
+    private int fixSampleHeightmap(LevelChunk chunk, Heightmap.Types type, int x, int z)
+    {
+        if (CarpetSettings.skipGenerationChecks.get())
+        {
+            Heightmap.Types newType = type;
+            if (type == Heightmap.Types.OCEAN_FLOOR_WG) newType = Heightmap.Types.OCEAN_FLOOR;
+            else if (type == Heightmap.Types.WORLD_SURFACE_WG) newType = Heightmap.Types.WORLD_SURFACE;
+            return chunk.getHeight(newType, x, z);
+        }
+        return chunk.getHeight(type, x, z);
+    }
+}
+