Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/PieceGeneratorSupplier_plopMixin.java

@@ -0,0 +1,23 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import java.util.function.Predicate;
+import net.minecraft.world.level.levelgen.structure.pieces.PieceGeneratorSupplier;
+
+@Mixin(PieceGeneratorSupplier.class)
+public interface PieceGeneratorSupplier_plopMixin
+{
+    @SuppressWarnings("UnresolvedMixinReference")
+    @Redirect(method = "method_39845", at = @At(
+            value = "INVOKE",
+            target = "java/util/function/Predicate.test(Ljava/lang/Object;)Z"
+    ))
+    private static boolean checkMate(Predicate<Object> predicate, Object o)
+    {
+        return CarpetSettings.skipGenerationChecks.get() || predicate.test(o);
+    }
+}