r3-legacy/src/game-lib-a-api-component.js

/**
 * API Component Interface - Do not construct objects of this type directly
 * @param componentType
 * @param linkedObjects
 * @param loaded (indicates whether the linked Objects for this component has been loaded)
 * @param parentEntity
 * @constructor
 */
GameLib.API.Component = function(
    componentType,
    linkedObjects,
    loaded,
    parentEntity
) {
    this.componentType = componentType;

    if (GameLib.Utils.UndefinedOrNull(linkedObjects)) {
        linkedObjects = {};
    }
    this.linkedObjects = linkedObjects;

    if (GameLib.Utils.UndefinedOrNull(loaded)) {
        loaded = false;
    }
    this.loaded = loaded;
    
    if (GameLib.Utils.UndefinedOrNull(parentEntity)) {
        parentEntity = null;
    }
    this.parentEntity = parentEntity;
};

/**
 * Returns an API component from an object component
 * @param objectComponent (should be an ID string - components get loaded and linked)
 * @returns {GameLib.API.Component}
 * @constructor
 */
GameLib.API.Component.FromObjectComponent = function(objectComponent) {
    if (objectComponent instanceof Object) {

        if (objectComponent.componentType == GameLib.Component.COMPONENT_PATH_FOLLOWING) {
            return GameLib.D3.API.PathFollowing.FromObjectComponent(objectComponent);
        }

        if (objectComponent.componentType === GameLib.Component.COMPONENT_RENDERER) {
            return GameLib.D3.API.Renderer.FromObjectComponent(objectComponent);
        }

        if (objectComponent.componentType === GameLib.Component.COMPONENT_COMPOSER) {
            return GameLib.D3.API.Composer.FromObjectComponent(objectComponent);
        }

        if (objectComponent.componentType === GameLib.Component.COMPONENT_PASS) {
            return GameLib.D3.API.Pass.FromObjectComponent(objectComponent);
        }

        if (objectComponent.componentType === GameLib.Component.COMPONENT_LOOK_AT) {
            return GameLib.D3.API.LookAt.FromObjectComponent(objectComponent);
        }

		if (objectComponent.componentType === GameLib.Component.COMPONENT_FOLLOW) {
            return GameLib.D3.API.Follow.FromObjectComponent(objectComponent);
        }

		if (objectComponent.componentType === GameLib.Component.COMPONENT_RENDER_TARGET) {
            return GameLib.D3.API.RenderTarget.FromObjectComponent(objectComponent);
        }

		if (objectComponent.componentType === GameLib.Component.COMPONENT_SPLINE) {
            return GameLib.D3.API.Spline.FromObjectComponent(objectComponent);
        }

		if (objectComponent.componentType === GameLib.Component.COMPONENT_INPUT_DRIVE) {
            return GameLib.D3.API.Input.Drive.FromObjectComponent(objectComponent);
        }

        console.warn('No API Component was associated with this Object');
        throw new Error('No API Component was associated with this Object');
        
    } else {
        return objectComponent;
    }
};