migration to 26.2 - run migrateMappings with old loom then bring it back to new

1 files changed, 181 insertions, 0 deletions

diff --git a/src/main/java/com/arslaancodes/arslaansmagichax/commands/HackTP.java b/src/main/java/com/arslaancodes/arslaansmagichax/commands/HackTP.java
new file mode 100644
index 0000000..6c376ab
--- /dev/null
+++ b/src/main/java/com/arslaancodes/arslaansmagichax/commands/HackTP.java
@@ -0,0 +1,181 @@
+package com.arslaancodes.arslaansmagichax.commands;
+
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.arguments.IntegerArgumentType;
+import com.mojang.brigadier.arguments.StringArgumentType;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import net.fabricmc.fabric.api.client.command.v2.ClientCommandManager;
+import net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.commands.CommandBuildContext;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.chat.Component;
+import net.minecraft.world.level.Level;
+import java.util.LinkedList;
+import java.util.Queue;
+
+public class HackTP {
+    private static final Queue<double[]> stepQueue = new LinkedList<>();
+    private static int packetsPerTick = 5;
+
+    public static BlockPos findClosestAirNearPosition(int x, int y, int z) {
+        Level world = Minecraft.getInstance().level;
+        if (world == null) return null;
+
+        for (int blockY = y; blockY <= world.getHeight(); blockY++) {
+            BlockPos pos = new BlockPos(x, blockY, z);
+            if (world.getBlockState(pos).isAir() && world.getBlockState(pos.above()).isAir()) {
+                return pos;
+            }
+        }
+
+        for (int blockY = y; blockY >= 0; blockY--) {
+            BlockPos pos = new BlockPos(x, blockY, z);
+            if (world.getBlockState(pos).isAir() && world.getBlockState(pos.above()).isAir()) {
+                return pos;
+            }
+        }
+        return null;
+    }
+
+    private static int computeSafePacketsPerTick(int requestedSpeed) {
+        final int STEP_HORIZ = 2;
+        final double SAFE_HORIZ = 8.5; // server maximum horizontal move
+
+        int allowed = (int) Math.floor(SAFE_HORIZ / STEP_HORIZ);
+        if (allowed < 1) allowed = 1;
+
+        return Math.max(1, Math.min(requestedSpeed, allowed));
+    }
+
+    private static double parseCoordinate(String arg, double current) {
+        if (arg.startsWith("c")) {
+            if (arg.length() == 1) return current;
+            return current + Double.parseDouble(arg.substring(1));
+        } else {
+            return Double.parseDouble(arg);
+        }
+    }
+
+    public static void register(CommandDispatcher<FabricClientCommandSource> dispatcher, CommandBuildContext access) {
+        dispatcher.register(ClientCommandManager.literal("hacktp")
+                .then(ClientCommandManager.argument("x", StringArgumentType.word())
+                        .then(ClientCommandManager.argument("y", StringArgumentType.word())
+                                .then(ClientCommandManager.argument("z", StringArgumentType.word())
+                                        .then(ClientCommandManager.argument("speed", IntegerArgumentType.integer(0, 25))
+                                                .executes(HackTP::run)
+                                        )
+                                )
+                        )
+                )
+        );
+
+//        ClientTickEvents.END_CLIENT_TICK.register(client -> {
+//            if (!stepQueue.isEmpty() && client.player != null) {
+//                double[] pos = stepQueue.poll();
+//
+//                client.getNetworkHandler().sendPacket(
+//                        new PlayerMoveC2SPacket.PositionAndOnGround(pos[0], pos[1], pos[2], true, client.player.horizontalCollision)
+//                );
+//
+//                client.player.setPos(pos[0], pos[1], pos[2]);
+//
+//                client.player.sendMessage(Text.literal("Teleported to " + pos[0] + " " + pos[1] + " " + pos[2]), false);
+//            }
+//        });
+        ClientTickEvents.END_CLIENT_TICK.register(client -> {
+            if (!stepQueue.isEmpty() && client.player != null) {
+                for (int i = 0; i < packetsPerTick && !stepQueue.isEmpty(); i++) {
+                    double[] pos = stepQueue.poll();
+
+//                    client.getNetworkHandler().sendPacket(
+//                            new PlayerMoveC2SPacket.PositionAndOnGround(
+//                                    pos[0], pos[1], pos[2], true, client.player.horizontalCollision
+//                            )
+//                    );
+
+                    client.player.setPosRaw(pos[0], pos[1], pos[2]);
+
+                    client.player.displayClientMessage(Component.literal("Teleported to " + pos[0] + " " + pos[1] + " " + pos[2] + " with packetsPerTick/speed " + packetsPerTick), false);
+                }
+            }
+        });
+    }
+
+    private static int run(CommandContext<FabricClientCommandSource> context) throws CommandSyntaxException {
+        int speed = IntegerArgumentType.getInteger(context, "speed");
+
+        LocalPlayer player = context.getSource().getPlayer();
+        if (player == null) {
+            context.getSource().sendFeedback(Component.literal("No player found."));
+            return -1;
+        }
+
+        double currentX = player.getX();
+        double currentY = player.getY();
+        double currentZ = player.getZ();
+
+        String xArg = context.getArgument("x", String.class);
+        String yArg = context.getArgument("y", String.class);
+        String zArg = context.getArgument("z", String.class);
+
+        double targetX = parseCoordinate(xArg, currentX);
+        double targetY = parseCoordinate(yArg, currentY);
+        double targetZ = parseCoordinate(zArg, currentZ);
+
+        if (speed < 1) {
+            packetsPerTick = computeSafePacketsPerTick(packetsPerTick);
+        } else {
+            packetsPerTick = computeSafePacketsPerTick(speed);
+        }
+
+        context.getSource().sendFeedback(Component.literal("Using " + packetsPerTick + " packets/tick (requested " + speed + ")"));
+
+        int stepX = (targetX > currentX) ? 2 : -2;
+        int stepY = (targetY > currentY) ? 2 : -2;
+        int stepZ = (targetZ > currentZ) ? 2 : -2;
+
+        for (int i = 1; i <= 8; i++) {
+            stepQueue.add(new double[]{currentX, currentY, currentZ});  // I don't know how this works but it makes Y more reliable (go through more blocks on the Y axis?)
+        }
+        while ((stepY > 0 && currentY < targetY) || (stepY < 0 && currentY > targetY)) {
+            currentY += stepY;
+            if ((stepY > 0 && currentY > targetY) || (stepY < 0 && currentY < targetY)) currentY = targetY;
+            stepQueue.add(new double[]{currentX, currentY, currentZ});
+            context.getSource().sendFeedback(Component.literal(
+                    "Queued teleport to " + currentX + " " + currentY + " " + currentZ
+            ));
+        }
+
+        while ((stepX > 0 && currentX < targetX) || (stepX < 0 && currentX > targetX)) {
+            currentX += stepX;
+            if ((stepX > 0 && currentX > targetX) || (stepX < 0 && currentX < targetX)) currentX = targetX;
+
+            BlockPos airPos = findClosestAirNearPosition((int) currentX, (int) currentY, (int) currentZ);
+            if (airPos != null) currentY = airPos.getY();
+
+            stepQueue.add(new double[]{currentX, currentY, currentZ});
+            context.getSource().sendFeedback(Component.literal(
+                    "Queued teleport to " + currentX + " " + currentY + " " + currentZ
+            ));
+        }
+
+        while ((stepZ > 0 && currentZ < targetZ) || (stepZ < 0 && currentZ > targetZ)) {
+            currentZ += stepZ;
+            if ((stepZ > 0 && currentZ > targetZ) || (stepZ < 0 && currentZ < targetZ)) currentZ = targetZ;
+
+            BlockPos airPos = findClosestAirNearPosition((int) currentX, (int) currentY, (int) currentZ);
+            if (airPos != null) currentY = airPos.getY();
+
+            stepQueue.add(new double[]{currentX, currentY, currentZ});
+            context.getSource().sendFeedback(Component.literal(
+                    "Queued teleport to " + currentX + " " + currentY + " " + currentZ
+            ));
+        }
+
+        return 1;
+    }
+}