120 lines
2.1 KiB
Java
120 lines
2.1 KiB
Java
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package ic2.api;
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import net.minecraft.tileentity.TileEntity;
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import net.minecraftforge.common.ForgeDirection;
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/**
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* Represents the 6 possible directions along the axis of a block.
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*/
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public enum Direction
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{
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/**
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* -X
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*/
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XN(0),
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/**
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* +X
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*/
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XP(1),
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/**
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* -Y
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*/
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YN(2), // MC-Code starts with 0 here
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/**
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* +Y
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*/
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YP(3), // 1...
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/**
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* -Z
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*/
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ZN(4),
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/**
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* +Z
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*/
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ZP(5);
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Direction(int dir)
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{
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this.dir = dir;
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}
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/*
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* public CoordinateTuple ApplyToCoordinates(CoordinateTuple coordinates) { CoordinateTuple ret
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* = new CoordinateTuple(coordinates);
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*
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* ret.coords[dir/2] += GetSign();
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*
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* return ret; }
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*/
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/**
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* Get the tile entity next to a tile entity following this direction.
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*
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* @param tileEntity tile entity to check
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* @return Adjacent tile entity or null if none exists
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*/
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public TileEntity applyToTileEntity(TileEntity tileEntity)
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{
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int coords[] = { tileEntity.xCoord, tileEntity.yCoord, tileEntity.zCoord };
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coords[dir / 2] += getSign();
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if (tileEntity.worldObj != null && tileEntity.worldObj.blockExists(coords[0], coords[1], coords[2]))
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{
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return tileEntity.worldObj.getBlockTileEntity(coords[0], coords[1], coords[2]);
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}
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else
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{
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return null;
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}
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}
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/**
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* Get the inverse of this direction (XN -> XP, XP -> XN, etc.)
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*
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* @return Inverse direction
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*/
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public Direction getInverse()
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{
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int inverseDir = dir - getSign();
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for (Direction direction : directions)
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{
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if (direction.dir == inverseDir)
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return direction;
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}
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return this;
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}
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/**
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* Convert this direction to a Minecraft side value.
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*
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* @return Minecraft side value
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*/
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public int toSideValue()
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{
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return (dir + 4) % 6;
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}
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/**
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* Determine direction sign (N for negative or P for positive).
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*
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* @return -1 if the direction is negative, +1 if the direction is positive
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*/
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private int getSign()
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{
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return (dir % 2) * 2 - 1;
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}
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public ForgeDirection toForgeDirection()
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{
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return ForgeDirection.getOrientation(toSideValue());
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}
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private int dir;
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public static final Direction[] directions = Direction.values();
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}
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