qc

src/main/java/carpet/mixins/PistonBlock_qcMixin.java

@@ -0,0 +1,29 @@
+package carpet.mixins;
+
+import carpet.settings.CarpetSettings;
+import net.minecraft.block.PistonBlock;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(PistonBlock.class)
+public class PistonBlock_qcMixin
+{
+    @Inject(method = "shouldExtend", cancellable = true, at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/util/math/BlockPos;up()Lnet/minecraft/util/math/BlockPos;"
+    ))
+    private void cancelUpCheck(World world_1, BlockPos blockPos_1, Direction direction_1, CallbackInfoReturnable<Boolean> cir)
+    {
+        if (!CarpetSettings.quasiConnectivity)
+        {
+            cir.setReturnValue(false);
+            cir.cancel();
+        }
+    }
+
+}