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