RoboWalk from the closed pr (#226)

src/main/java/anticope/rejects/modules/RoboWalk.java

@@ -0,0 +1,49 @@
+package anticope.rejects.modules;
+
+import anticope.rejects.MeteorRejectsAddon;
+import anticope.rejects.mixin.PlayerMoveC2SPacketAccessor;
+import anticope.rejects.mixin.VehicleMoveC2SPacketAccessor;
+import meteordevelopment.meteorclient.events.packets.PacketEvent;
+import meteordevelopment.meteorclient.systems.modules.Module;
+import meteordevelopment.orbit.EventHandler;
+import net.minecraft.network.packet.c2s.play.PlayerMoveC2SPacket;
+import net.minecraft.network.packet.c2s.play.VehicleMoveC2SPacket;
+
+public class RoboWalk extends Module {
+    public RoboWalk() {
+        super(MeteorRejectsAddon.CATEGORY, "robo-walk", "Bypasses LiveOverflow movement check.");
+    }
+
+    private double smooth(double d) {
+        return Math.round(d * 100.0d) / 100.0d;
+    }
+
+    private boolean skip(double x, double z) {
+        long dx = ((long) (x * 1000)) % 10;
+        long dz = ((long) (z * 1000)) % 10;
+        return dx != 0 || dz != 0;
+    }
+
+    @EventHandler
+    private void onPacketSend(PacketEvent.Send event) {
+        if (event.packet instanceof PlayerMoveC2SPacket packet) {
+            if (!packet.changesPosition()) return;
+
+            double x = smooth(packet.getX(0));
+            double z = smooth(packet.getZ(0));
+
+            if (skip(x, z)) return;
+
+            ((PlayerMoveC2SPacketAccessor) packet).setX(x);
+            ((PlayerMoveC2SPacketAccessor) packet).setZ(z);
+        } else if (event.packet instanceof VehicleMoveC2SPacket packet) {
+            double x = smooth(packet.getX());
+            double z = smooth(packet.getZ());
+
+            if (skip(x, z)) return;
+
+            ((VehicleMoveC2SPacketAccessor) packet).setX(x);
+            ((VehicleMoveC2SPacketAccessor) packet).setZ(z);
+        }
+    }
+}