/*
 * This file is part of Sponge, licensed under the MIT License (MIT).
 *
 * Copyright (c) SpongePowered <https://www.spongepowered.org>
 * Copyright (c) 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 org.spongepowered.common.mixin.core.command;

import net.minecraft.entity.EntityMinecartCommandBlock;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.tileentity.TileEntityCommandBlock;
import org.spongepowered.api.command.source.LocatedSource;
import org.spongepowered.api.world.Location;
import org.spongepowered.api.world.World;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.common.interfaces.IMixinCommandSender;
import org.spongepowered.common.interfaces.IMixinCommandSource;
import org.spongepowered.common.util.VecHelper;

@Mixin(value = {EntityPlayerMP.class, TileEntityCommandBlock.class, EntityMinecartCommandBlock.class},
        targets = {IMixinCommandSender.SIGN_CLICK_SENDER, IMixinCommandSender.EXECUTE_COMMAND_SENDER})
public abstract class MixinLocatedSource implements LocatedSource, IMixinCommandSource {

    @Override
    public Location<World> getLocation() {
        return new Location<>((World) asICommandSender().getEntityWorld(), VecHelper.toVector(asICommandSender().getPositionVector()));
    }

    @Override
    public World getWorld() {
        return (World) asICommandSender().getEntityWorld();
    }

}

@@ -1295,16 +1295,97 @@
 mmand;%0A%0A
+import net.minecraft.command.ICommandSender;%0Aimport net.minecraft.entity.Entity;%0A
 import n
@@ -1483,16 +1483,105 @@
 ayerMP;%0A
+import net.minecraft.server.MinecraftServer;%0Aimport net.minecraft.tileentity.TileEntity;%0A
 import n
@@ -2380,44 +2380,11 @@
 n%3C%3E(
-(World) asICommandSender().getEntity
+get
 Worl
@@ -2512,41 +2512,524 @@
     
-return (World) asICommandSender()
+ICommandSender commandSender = asICommandSender();%0A        // May be null in some cases like when constructing%0A        if (commandSender == null) %7B%0A            if ((Object) this instanceof Entity) %7B%0A                return (World) ((Entity) (Object) this).worldObj;%0A            %7D else if ((Object) this instanceof TileEntity) %7B%0A                return (World) ((TileEntity) (Object) this).getWorld();%0A            %7D%0A            commandSender = MinecraftServer.getServer();%0A        %7D%0A        return (World) commandSender
 .get

Fix little edge-case where getWorld NPE'ed when constructing EntityMinecartCommandBlock