creative no clip

src/main/java/carpet/mixins/PistonBlockEntity_creativeNoClipMixin.java

@@ -0,0 +1,29 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.block.entity.PistonBlockEntity;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.util.math.Direction;
+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.Redirect;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(PistonBlockEntity.class)
+public class PistonBlockEntity_creativeNoClipMixin
+{
+    @Inject(method = "method_23672", at = @At("HEAD"), cancellable = true)
+    private static void dontPushSpectators(Direction direction, Entity entity, double d, Direction direction2, CallbackInfo ci)
+    {
+        if (CarpetSettings.creativeNoClip && entity instanceof PlayerEntity && (((PlayerEntity) entity).isCreative()) && ((PlayerEntity) entity).abilities.flying) ci.cancel();
+    }
+
+    @Redirect(method = "pushEntities", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/Entity;setVelocity(DDD)V"))
+    private void ignoreAccel(Entity entity, double x, double y, double z)
+    {
+        if (CarpetSettings.creativeNoClip && entity instanceof PlayerEntity && (((PlayerEntity) entity).isCreative()) && ((PlayerEntity) entity).abilities.flying) return;
+        entity.setVelocity(x,y,z);
+    }
+}