git.r.bdr.sh - rbdr/serpentity/blob - lib/serpentity/node.js

   1 /*
   2  * A node describes a set of components in order to describe entities
   3  * that include them.
   4  */
   5 Class(Serpentity, "Node")({
   6
   7     /*
   8      * Returns true if the given entity matches the defined protocol,
   9      * false otherwise
  10      */
  11     matches : function matches(entity) {
  12             var property, matched, types;
  13
  14             types = this.types;
  15
  16             for (property in this.types) {
  17
  18                 if (this.types.hasOwnProperty(property)) {
  19                     matched = false;
  20
  21                     if (entity.hasComponent(types[property])) {
  22                         matched = true;
  23                     }
  24
  25                     if (!matched) {
  26                         return false;
  27                     }
  28                 }
  29             }
  30
  31             return true;
  32     },
  33
  34     prototype : {
  35
  36         types : null,
  37
  38         init : function (config) {
  39             var property;
  40
  41             this.types = {};
  42
  43             for (property in this.constructor) {
  44                 if (this.constructor.hasOwnProperty(property)) {
  45                     this.types[property] = this.constructor[property];
  46                 }
  47             }
  48         }
  49     }
  50 });