git.r.bdr.sh - rbdr/sumo/blob - lib/systems/draw_dash.js

   1 import { System } from '@serpentity/serpentity';
   2
   3 import DrawnDasherNode from '../nodes/drawn_dasher';
   4
   5 /**
   6  * Shows a different graphic during the duration of lock
   7  *
   8  * @extends {external:Serpentity.System}
   9  * @class DrawDashSystem
  10  * @param {object} config a configuration object to extend.
  11  */
  12 export default class DrawDashSystem extends System {
  13
  14   constructor(config = {}) {
  15
  16     super();
  17
  18     /**
  19      * The node collection of dashers
  20      *
  21      * @property {external:Serpentity.NodeCollection} drawnDashers
  22      * @instance
  23      * @memberof DrawDashSystem
  24      */
  25     this.drawnDashers = null;
  26   }
  27
  28   /**
  29    * Initializes system when added. Requests drawn dasher nodes
  30    *
  31    * @function added
  32    * @memberof DrawDashSystem
  33    * @instance
  34    * @param {external:Serpentity.Engine} engine the serpentity engine to
  35    * which we are getting added
  36    */
  37   added(engine) {
  38
  39     this.drawnDashers = engine.getNodes(DrawnDasherNode);
  40   }
  41
  42   /**
  43    * Clears system resources when removed.
  44    *
  45    * @function removed
  46    * @instance
  47    * @memberof DrawDashSystem
  48    */
  49   removed() {
  50
  51     this.drawnDashers = null;
  52   }
  53
  54   /**
  55    * Runs on every update of the loop. Updates image depending on if
  56    * dash is locked
  57    *
  58    * @function update
  59    * @instance
  60    * @param {Number} currentFrameDuration the duration of the current
  61    * frame
  62    * @memberof DrawDashSystem
  63    */
  64   update(currentFrameDuration) {
  65
  66     for (const drawnDasher of this.drawnDashers) {
  67
  68       const dash = drawnDasher.dash;
  69       const container = drawnDasher.container.container;
  70
  71       if (dash.locked) {
  72         this._drawDashFace(container);
  73         continue;
  74       }
  75
  76       this._removeDashFace(container);
  77     }
  78   }
  79
  80   // Draws the dash face
  81
  82   _drawDashFace(container) {
  83
  84     const blush = container.getChildByName('blush');
  85     const smile = container.getChildByName('smile');
  86     const frown = container.getChildByName('frown');
  87     blush.visible = true;
  88     frown.visible = true;
  89     smile.visible = false;
  90   }
  91
  92   // Removes the dash face
  93
  94   _removeDashFace(container) {
  95
  96     const blush = container.getChildByName('blush');
  97     const smile = container.getChildByName('smile');
  98     const frown = container.getChildByName('frown');
  99     blush.visible = false;
 100     frown.visible = false;
 101     smile.visible = true;
 102   }
 103 };