From 14c68eb5ba16774f581d95a39e64a7b303954ffc Mon Sep 17 00:00:00 2001 From: Arslaan Pathan Date: Sat, 26 Sep 2026 17:05:36 +1200 Subject: migration to 26.2 - run migrateMappings with old loom then bring it back to new --- .../arslaansmagichax/commands/HackTP.java | 181 +++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 src/main/java/com/arslaancodes/arslaansmagichax/commands/HackTP.java (limited to 'src/main/java/com/arslaancodes/arslaansmagichax/commands/HackTP.java') 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 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 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 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; + } +} -- cgit v1.2.3