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import { System } from '@serpentity/serpentity';
import DrawnDasherNode from '../nodes/drawn_dasher';
/**
* Shows a different graphic during the duration of lock
*
* @extends {external:Serpentity.System}
* @class DrawDashSystem
* @param {object} config a configuration object to extend.
*/
export default class DrawDashSystem extends System {
constructor(config = {}) {
super();
/**
* The node collection of dashers
*
* @property {external:Serpentity.NodeCollection} drawnDashers
* @instance
* @memberof DrawDashSystem
*/
this.drawnDashers = null;
}
/**
* Initializes system when added. Requests drawn dasher nodes
*
* @function added
* @memberof DrawDashSystem
* @instance
* @param {external:Serpentity.Engine} engine the serpentity engine to
* which we are getting added
*/
added(engine) {
this.drawnDashers = engine.getNodes(DrawnDasherNode);
}
/**
* Clears system resources when removed.
*
* @function removed
* @instance
* @memberof DrawDashSystem
*/
removed() {
this.drawnDashers = null;
}
/**
* Runs on every update of the loop. Updates image depending on if
* dash is locked
*
* @function update
* @instance
* @param {Number} currentFrameDuration the duration of the current
* frame
* @memberof DrawDashSystem
*/
update(currentFrameDuration) {
for (const drawnDasher of this.drawnDashers) {
const dash = drawnDasher.dash;
const container = drawnDasher.container.container;
if (dash.locked) {
this._drawDashFace(container);
continue;
}
this._removeDashFace(container);
}
}
// Draws the dash face
_drawDashFace(container) {
const blush = container.getChildByName('blush');
const smile = container.getChildByName('smile');
const frown = container.getChildByName('frown');
blush.visible = true;
frown.visible = true;
smile.visible = false;
}
// Removes the dash face
_removeDashFace(container) {
const blush = container.getChildByName('blush');
const smile = container.getChildByName('smile');
const frown = container.getChildByName('frown');
blush.visible = false;
frown.visible = false;
smile.visible = true;
}
}
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