plop

src/main/java/carpet/mixins/StructurePieceMixin.java

@@ -0,0 +1,22 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.structure.StructurePiece;
+import net.minecraft.world.Heightmap;
+import net.minecraft.world.ViewableWorld;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(StructurePiece.class)
+public class StructurePieceMixin
+{
+    @Redirect(method = "isUnderSeaLevel", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/ViewableWorld;getTop(Lnet/minecraft/world/Heightmap$Type;II)I"
+    ))
+    private int getTop(ViewableWorld viewableWorld, Heightmap.Type var1, int var2, int var3)
+    {
+        return viewableWorld.getTop(CarpetSettings.skipGenerationChecks?Heightmap.Type.OCEAN_FLOOR:Heightmap.Type.OCEAN_FLOOR_WG, var2, var3);
+    }
+}