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package org.bukkit.util;
/**
* A vector with a hash function that floors the X, Y, Z components, a la
* BlockVector in WorldEdit. BlockVectors can be used in hash sets and
* hash maps. Be aware that BlockVectors are mutable, but it is important
* that BlockVectors are never changed once put into a hash set or hash map.
*
* @author sk89q
*/
public class BlockVector extends Vector {
/**
* Construct the vector with all components as 0.
*/
public BlockVector() {
this.x = 0;
this.y = 0;
this.z = 0;
}
/**
* Construct the vector with another vector.
*/
public BlockVector(Vector vec) {
this.x = vec.getX();
this.y = vec.getY();
this.z = vec.getZ();
}
/**
* Construct the vector with provided integer components.
*
* @param x
* @param y
* @param z
*/
public BlockVector(int x, int y, int z) {
this.x = x;
this.y = y;
this.z = z;
}
/**
* Construct the vector with provided double components.
*
* @param x
* @param y
* @param z
*/
public BlockVector(double x, double y, double z) {
this.x = x;
this.y = y;
this.z = z;
}
/**
* Construct the vector with provided float components.
*
* @param x
* @param y
* @param z
*/
public BlockVector(float x, float y, float z) {
this.x = x;
this.y = y;
this.z = z;
}
/**
* Checks if another object is equivalent.
*
* @param obj
* @return whether the other object is equivalent
*/
@Override
public boolean equals(Object obj) {
if (!(obj instanceof BlockVector)) {
return false;
}
BlockVector other = (BlockVector)obj;
return (int)other.getX() == (int)this.x && (int)other.getY() == (int)this.y
&& (int)other.getZ() == (int)this.z;
}
/**
* Returns a hash code for this vector.
*
* @return hash code
*/
@Override
public int hashCode() {
return (Integer.valueOf((int)x).hashCode() >> 13) ^
(Integer.valueOf((int)y).hashCode() >> 7) ^
Integer.valueOf((int)z).hashCode();
}
/**
* Get a new block vector.
*
* @return vector
*/
@Override
public BlockVector clone() {
BlockVector v = (BlockVector)super.clone();
v.x = x;
v.y = y;
v.z = z;
return v;
}
}
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