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BlockIndex.java
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BlockIndex.java
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/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.api.core;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
/**
* This class is a comparable container for block positions. TODO: should this be merged with position?
*/
public class BlockIndex implements Comparable<BlockIndex> {
public int x;
public int y;
public int z;
public BlockIndex() {
}
/**
* Creates an index for a block located on x, y. z
*/
public BlockIndex(int x, int y, int z) {
this.x = x;
this.y = y;
this.z = z;
}
public BlockIndex(NBTTagCompound c) {
this.x = c.getInteger("i");
this.y = c.getInteger("j");
this.z = c.getInteger("k");
}
public BlockIndex(Entity entity) {
x = (int) Math.floor(entity.posX);
y = (int) Math.floor(entity.posY);
z = (int) Math.floor(entity.posZ);
}
public BlockIndex(TileEntity entity) {
this(entity.xCoord, entity.yCoord, entity.xCoord);
}
/**
* Provides a deterministic and complete ordering of block positions.
*/
@Override
public int compareTo(BlockIndex o) {
if (o.x < x) {
return 1;
} else if (o.x > x) {
return -1;
} else if (o.z < z) {
return 1;
} else if (o.z > z) {
return -1;
} else if (o.y < y) {
return 1;
} else if (o.y > y) {
return -1;
} else {
return 0;
}
}
public void writeTo(NBTTagCompound c) {
c.setInteger("i", x);
c.setInteger("j", y);
c.setInteger("k", z);
}
public Block getBlock(World world) {
return world.getBlock(x, y, z);
}
@Override
public String toString() {
return "{" + x + ", " + y + ", " + z + "}";
}
@Override
public boolean equals(Object obj) {
if (obj instanceof BlockIndex) {
BlockIndex b = (BlockIndex) obj;
return b.x == x && b.y == y && b.z == z;
}
return super.equals(obj);
}
@Override
public int hashCode() {
return (x * 37 + y) * 37 + z;
}
}