other features

src/main/java/carpet/mixins/PistonHandler_pushLimitMixin.java

@@ -0,0 +1,18 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.block.piston.PistonHandler;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Constant;
+import org.spongepowered.asm.mixin.injection.ModifyConstant;
+
+@Mixin(PistonHandler.class)
+public class PistonHandler_pushLimitMixin
+{
+    @ModifyConstant(method = "tryMove", constant = @Constant(intValue = 12), expect = 3)
+    private int pushLimit(int original)
+    {
+        return CarpetSettings.n_pushLimit;
+    }
+}