engine/item.js

   1 /*
   2  * item.js
   3  *
   4  * Copyright 2020 Elias Fleckenstein <eliasfleckenstein@web.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  19  * MA 02110-1301, USA.
  20  *
  21  *
  22  */
  23
  24 dragonblocks.Item = class
  25 {
  26         constructor(def)
  27         {
  28                 def || dragonblocks.error("Cannot register item: Missing argument");
  29
  30                 dblib.copy(this, def);
  31
  32                 this.name || dragonblocks.error("Cannot register item: Missing name");
  33                 this.texture || dragonblocks.error("Cannot register item: Missing texture");
  34                 dragonblocks.items[this.name] && dragonblocks.error("Cannot register item '" + this.name + "': Item already exists");
  35
  36                 if (this.desc != "" && this.description != "")
  37                         this.desc = this.description || this.desc || this.name;
  38
  39                 this.stacksize = this.stacksize || dragonblocks.settings.item.defaultStacksize;
  40
  41                 this.groups = this.groups || [];
  42                 this.groups.push("default");
  43
  44                 dragonblocks.items[this.name] = this;
  45                 dragonblocks.registeredItems.push(this);
  46         }
  47
  48         inGroup(name)
  49         {
  50                 return this.groups.includes(name);
  51         }
  52
  53         playSound(s)
  54         {
  55                 let sound = this.sounds && this.sounds[s];
  56
  57                 if (sound == "")
  58                         return;
  59
  60                 if (sound) {
  61                         dragonblocks.playSound(sound);
  62                 } else {
  63                         for (let groupname of this.groups){
  64                                 let group = dragonblocks.groups[groupname];
  65                                 let sound = group && group.sounds && group.sounds[s];
  66
  67                                 if (sound == "")
  68                                         return;
  69
  70                                 if (sound) {
  71                                         dragonblocks.playSound(sound);
  72                                         return;
  73                                 }
  74                         }
  75                 }
  76         }
  77 };
  78
  79 dragonblocks.registeredItems = [];
  80 dragonblocks.items = {};
  81
  82 dragonblocks.registerItem = def => {
  83         new dragonblocks.Item(def);
  84 };
  85
  86 dragonblocks.itemMatch = (item1, item2) => {
  87         item1 = dragonblocks.items[item1] || dragonblocks.groups[item1] || item1;
  88         item2 = dragonblocks.items[item2] || dragonblocks.groups[item2] || item2;
  89         return item1 == item2 || item1 && item2 && (item1.name == item2.name || item1.inGroup && item1.inGroup(item2.name) || item2.inGroup && item2.inGroup(item1.name));
  90 };