Rename PixelManipulator to Schematic

[dragonblocks.git] / engine / schematic.js

diff --git a/engine/schematic.js b/engine/schematic.js
new file mode 100644 (file)
index 0000000..ba893f9
--- /dev/null
+++ b/engine/schematic.js
@@ -0,0 +1,105 @@
+/*
+ * schematic.js
+ *
+ * Copyright 2020 Elias Fleckenstein <eliasfleckenstein@web.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ *
+ */
+
+dragonblocks.Schematic = class
+{
+       constructor(arr)
+       {
+               this.data = [];
+               this.functions = [];
+
+               let anchor;
+
+               for (let y = 0; y < arr.length; y++) {
+                       for (let x = 0; x < arr[y].length; x++) {
+                               let node = arr[y][x];
+
+                               if (node[0] == "§") {
+                                       anchor = {x: x, y: y};
+                                       node = node.slice(1, node.length);
+                               }
+
+                               if (node == "")
+                                       continue;
+
+                               this.data.push({
+                                       x: x,
+                                       y: y,
+                                       node: node,
+                               });
+                       }
+               }
+
+               if (! anchor)
+                       anchor = {x: 0, y: 0};
+
+               for (let pixel of this.data) {
+                       pixel.x = pixel.x - anchor.x;
+                       pixel.y = pixel.y - anchor.y;
+               }
+       }
+
+       apply(x, y)
+       {
+               for (let pixel of this.data) {
+                       let mx, my;
+                       mx = pixel.x + x;
+                       my = pixel.y + y;
+
+                       let node = dragonblocks.getNode(mx, my);
+                       if (! node)
+                               continue;
+
+                       let nodeDef = node.toNode();
+
+                       let doApply = true;
+
+                       for (let func of this.functions) {
+                               if (func(nodeDef, mx, my, pixel.node) == false) {
+                                       doApply = false;
+                                       break;
+                               }
+                       }
+
+                       if (doApply)
+                               dragonblocks.setNode(mx, my, pixel.node);
+               }
+
+               return this;
+       }
+
+       replace(toReplace, replaceWith)
+       {
+               for (let pixel of this.data)
+                       if (pixel.node == toReplace)
+                               pixel.node = replaceWith;
+
+               return this;
+       }
+
+       addFunction(func)
+       {
+               this.functions.push(func);
+               return this;
+       }
+};