GameLib.D3.Entity = function(
    meshId,
    componentIds
) {
    this.meshId = meshId;

    if (typeof componentIds == 'undefined') {
        componentIds = [];
    }

    this.componentIds = componentIds;

    this.parentScene = null;
    this.mesh = null;
};

GameLib.D3.Entity.prototype.onUpdate = function(
    deltaTime
) {
    for(var c in this.componentIds) {
        var componentId = this.componentIds[c];
        if(this.parentScene.componentIdToComponent[componentId]) {
            this.parentScene.componentIdToComponent[componentId].onUpdate(deltaTime, this);
        }
    }
};

GameLib.D3.Entity.prototype.onLateUpdate = function(
    deltaTime
) {
    for(var c in this.componentIds) {
        var componentId = this.componentIds[c];
        if(this.parentScene.componentIdToComponent[componentId]) {
            this.parentScene.componentIdToComponent[componentId].onLateUpdate(deltaTime, this);
        }
    }
};

GameLib.D3.Entity.prototype.onRegistered = function(
    parentScene
) {
    this.parentScene = parentScene;

    if(this.meshId != null && parentScene.meshIdToMesh[this.meshId]) {
        parentScene.threeScene.add(parentScene.meshIdToMesh[this.meshId]);
        this.mesh = parentScene.meshIdToMesh[this.meshId];
    }
};

GameLib.D3.Entity.prototype.addComponentId = function(
    componentId
) {
    this.componentIds.push(componentId);
};

GameLib.D3.Entity.prototype.addComponent = function(
    component
) {
    this.parentScene.registerComponent(component);

    this.componentIds.push(component.componentId);
    component.setParentEntity(this);
    component.onSetParentEntity(this.parentScene, this);
};