engine/recipe.js

   1 /*
   2  * recipe.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.Recipe = class
  25 {
  26         constructor(def)
  27         {
  28                 if (! def || ! def.result || ! def.recipe instanceof Array || ! def.recipe[0] instanceof Array)
  29                         return;
  30
  31                 this.recipe = def.recipe;
  32                 this.result = def.result;
  33
  34                 this.height = this.recipe.length;
  35                 this.width = this.recipe[0].length;
  36
  37                 dragonblocks.recipes.push(this);
  38         }
  39
  40         match(craftfield)
  41         {
  42                 if (craftfield.width < this.width || craftfield.height < this.height)
  43                         return false;
  44
  45                 for (let ydiff = 0; ydiff <= craftfield.height - this.height; ydiff++) {
  46                         for (let xdiff = 0; xdiff <= craftfield.width - this.width; xdiff++) {
  47                                 let found = true;
  48
  49                                 for (let y = 0; y < craftfield.height; y++) {
  50                                         for (let x = 0; x < craftfield.width; x++) {
  51                                                 if (! this.recipe[y - ydiff] || ! this.recipe[y - ydiff][x - xdiff]) {
  52                                                         if (craftfield.list[y * craftfield.width + x].item)
  53                                                                 found = false;
  54                                                 } else if (! dragonblocks.itemMatch(craftfield.list[y * craftfield.width + x].item, this.recipe[y - ydiff][x - xdiff])) {
  55                                                         found = false;
  56                                                 }
  57                                         }
  58                                 }
  59
  60                                 if (found)
  61                                         return true;
  62                         }
  63                 }
  64
  65                 return false;
  66         }
  67 };
  68
  69 dragonblocks.recipes = [];
  70 dragonblocks.registerRecipe = def => {
  71         let recipeDef = new dragonblocks.Recipe(def);
  72         dragonblocks.recipes.push(recipeDef);
  73 };