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Position.java
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Position.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 io.netty.buffer.ByteBuf;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.util.ForgeDirection;
public class Position implements ISerializable {
public double x, y, z;
public ForgeDirection orientation;
public Position() {
x = 0;
y = 0;
z = 0;
orientation = ForgeDirection.UNKNOWN;
}
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;
if (orientation == null) {
orientation = ForgeDirection.UNKNOWN;
}
}
public Position(Position p) {
x = p.x;
y = p.y;
z = p.z;
orientation = p.orientation;
}
public Position(NBTTagCompound nbttagcompound) {
readFromNBT(nbttagcompound);
}
public Position(TileEntity tile) {
x = tile.xCoord;
y = tile.yCoord;
z = tile.zCoord;
orientation = ForgeDirection.UNKNOWN;
}
public Position(BlockIndex index) {
x = index.x;
y = index.y;
z = index.z;
orientation = ForgeDirection.UNKNOWN;
}
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) {
if (orientation == null) {
orientation = ForgeDirection.UNKNOWN;
}
nbttagcompound.setDouble("i", x);
nbttagcompound.setDouble("j", y);
nbttagcompound.setDouble("k", z);
nbttagcompound.setByte("orientation", (byte) orientation.ordinal());
}
public void readFromNBT(NBTTagCompound nbttagcompound) {
x = nbttagcompound.getDouble("i");
y = nbttagcompound.getDouble("j");
z = nbttagcompound.getDouble("k");
orientation = ForgeDirection.values() [nbttagcompound.getByte("orientation")];
}
@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);
}
public boolean isClose(Position newPosition, float f) {
double dx = x - newPosition.x;
double dy = y - newPosition.y;
double dz = z - newPosition.z;
double sqrDis = dx * dx + dy * dy + dz * dz;
return !(sqrDis > f * f);
}
@Override
public void readData(ByteBuf stream) {
x = stream.readDouble();
y = stream.readDouble();
z = stream.readDouble();
orientation = ForgeDirection.getOrientation(stream.readByte());
}
@Override
public void writeData(ByteBuf stream) {
stream.writeDouble(x);
stream.writeDouble(y);
stream.writeDouble(z);
stream.writeByte(orientation.ordinal());
}
}