/*
* This file is part of Cubic Chunks Mod, licensed under the MIT License (MIT).
*
* Copyright (c) 2015 contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package cubicchunks.asm.mixin.noncritical.common.command;
import net.minecraft.command.CommandFill;
import net.minecraft.command.ICommandSender;
import net.minecraft.server.MinecraftServer;
import net.minecraft.util.math.BlockPos;
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;
import java.lang.ref.WeakReference;
import cubicchunks.asm.MixinUtils;
import cubicchunks.world.ICubicWorld;
import static cubicchunks.asm.JvmNames.BLOCK_POS_GETY;
@Mixin(CommandFill.class)
public class MixinCommandFill {
private WeakReference<ICubicWorld> commandWorld;
//get command sender, can't fail (inject at HEAD
@Inject(method = "execute", at = @At(value = "HEAD"), require = 1)
private void getWorldFromExecute(MinecraftServer server, ICommandSender sender, String[] args, CallbackInfo cbi) {
commandWorld = new WeakReference<>((ICubicWorld) sender.getEntityWorld());
}
@Redirect(method = "execute", at = @At(value = "INVOKE", target = BLOCK_POS_GETY, ordinal = 6), constraints = "")
private int getBlockPosYRedirectMin(BlockPos pos) {
if (commandWorld == null) {
return pos.getY();
}
ICubicWorld world = commandWorld.get();
if (world == null) {
return pos.getY();
}
return MixinUtils.getReplacementY(world, pos);
}
@Redirect(method = "execute", at = @At(value = "INVOKE", target = BLOCK_POS_GETY, ordinal = 7))
private int getBlockPosYRedirectMax(BlockPos pos) {
if (commandWorld == null) {
return pos.getY();
}
ICubicWorld world = commandWorld.get();
if (world == null) {
return pos.getY();
}
return MixinUtils.getReplacementY(world, pos);
}
}