/**
 * BoneWeight Superset
 * @constructor
 * @param graphics GameLib.D3.Graphics
 * @param apiBoneWeight GameLib.D3.API.BoneWeight
 */
GameLib.D3.BoneWeight = function RuntimeBoneWeight(
    graphics,
    apiBoneWeight
) {
    this.graphics = graphics;
    this.graphics.isNotThreeThrow();
    
    GameLib.D3.API.BoneWeight.call(
        this,
        apiBoneWeight.boneIndex,
        apiBoneWeight.weight
    );

    this.instance = this.createInstance();
};

GameLib.D3.BoneWeight.prototype = Object.create(GameLib.D3.API.BoneWeight.prototype);
GameLib.D3.BoneWeight.prototype.constructor = GameLib.D3.BoneWeight;


/**
 * Creates an instance boneWeight
 * @param update boolean
 */
GameLib.D3.BoneWeight.prototype.createInstance = function(update) {

    var instance = null;

    if (update) {
        //TODO - update instance with boneWeight info
        instance = this.instance;
    } else {
        //TODO - fix this
        instance = new THREE.Quaternion();
    }

    return instance;
};

/**
 * Updates the instance
 */
GameLib.D3.BoneWeight.prototype.updateInstance = function() {
    this.instance = this.createInstance(true);
};

/**
 * Converts a GameLib.D3.BoneWeight to GameLib.D3.API.BoneWeight
 * @returns {GameLib.D3.API.BoneWeight}
 */
GameLib.D3.BoneWeight.prototype.toApiBoneWeight = function() {

    var apiBoneWeight = new GameLib.D3.API.BoneWeight(
        this.boneIndex,
        this.weight
    );

    return apiBoneWeight;
};

/**
 * Returns a GameLib.D3.BoneWeight from a boneWeight Object
 * @param graphics GameLib.D3.Graphics
 * @param objectBoneWeight Object
 * @returns {GameLib.D3.BoneWeight}
 * @constructor
 */
GameLib.D3.BoneWeight.FromObjectBoneWeight = function(
    graphics,
    objectBoneWeight
) {
    var apiBoneWeight = new GameLib.D3.API.BoneWeight(
        objectBoneWeight.boneIndex,
        objectBoneWeight.weight
    );

    var boneWeight = new GameLib.D3.BoneWeight(
        graphics,
        apiBoneWeight
    );

    return boneWeight;
};