buildcraft/api/core/Position.java

/**
 * Copyright (c) SpaceToad, 2011
 * 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.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.ForgeDirection;

public class Position
{

	public double x, y, z;
	public ForgeDirection orientation;

	public Position(double ci, double cj, double ck)
	{
		x = ci;
		y = cj;
		z = ck;
		orientation = ForgeDirection.UNKNOWN;
	}

	public Position(double ci, double cj, double ck, ForgeDirection corientation)
	{
		x = ci;
		y = cj;
		z = ck;
		orientation = corientation;
	}

	public Position(Position p)
	{
		x = p.x;
		y = p.y;
		z = p.z;
		orientation = p.orientation;
	}

	public Position(NBTTagCompound nbttagcompound)
	{
		x = nbttagcompound.getDouble("i");
		y = nbttagcompound.getDouble("j");
		z = nbttagcompound.getDouble("k");

		orientation = ForgeDirection.UNKNOWN;
	}

	public Position(TileEntity tile)
	{
		x = tile.xCoord;
		y = tile.yCoord;
		z = tile.zCoord;
	}

	public void moveRight(double step)
	{
		switch (orientation)
		{
			case SOUTH:
				x = x - step;
				break;
			case NORTH:
				x = x + step;
				break;
			case EAST:
				z = z + step;
				break;
			case WEST:
				z = z - step;
				break;
			default:
		}
	}

	public void moveLeft(double step)
	{
		moveRight(-step);
	}

	public void moveForwards(double step)
	{
		switch (orientation)
		{
			case UP:
				y = y + step;
				break;
			case DOWN:
				y = y - step;
				break;
			case SOUTH:
				z = z + step;
				break;
			case NORTH:
				z = z - step;
				break;
			case EAST:
				x = x + step;
				break;
			case WEST:
				x = x - step;
				break;
			default:
		}
	}

	public void moveBackwards(double step)
	{
		moveForwards(-step);
	}

	public void moveUp(double step)
	{
		switch (orientation)
		{
			case SOUTH:
			case NORTH:
			case EAST:
			case WEST:
				y = y + step;
				break;
			default:
		}

	}

	public void moveDown(double step)
	{
		moveUp(-step);
	}

	public void writeToNBT(NBTTagCompound nbttagcompound)
	{
		nbttagcompound.setDouble("i", x);
		nbttagcompound.setDouble("j", y);
		nbttagcompound.setDouble("k", z);
	}

	@Override
	public String toString()
	{
		return "{" + x + ", " + y + ", " + z + "}";
	}

	public Position min(Position p)
	{
		return new Position(p.x > x ? x : p.x, p.y > y ? y : p.y, p.z > z ? z : p.z);
	}

	public Position max(Position p)
	{
		return new Position(p.x < x ? x : p.x, p.y < y ? y : p.y, p.z < z ? z : p.z);
	}

}