23w13a

src/main/java/carpet/mixins/BlockBehaviourBlockStateBase_mixin.java

@@ -0,0 +1,27 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.BuddingAmethystBlock;
+import net.minecraft.world.level.block.state.BlockBehaviour;
+import net.minecraft.world.level.material.PushReaction;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(BlockBehaviour.BlockStateBase.class)
+public abstract class BlockBehaviourBlockStateBase_mixin
+{
+    @Shadow public abstract Block getBlock();
+
+    @Inject(method = "getPistonPushReaction", at = @At("HEAD"), cancellable = true)
+    private void onGetPistonPushReaction(CallbackInfoReturnable<PushReaction> cir)
+    {
+        if (CarpetSettings.movableAmethyst && getBlock() instanceof BuddingAmethystBlock)
+        {
+            cir.setReturnValue(PushReaction.NORMAL);
+        }
+    }
+}