V0.1.0 Partial Commit

changed package and application names to differentiate from main PD
release

src/com/shatteredpixel/shatteredpixeldungeon/levels/Patch.java

@@ -0,0 +1,85 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2014  Oleg Dolya
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>
+ */
+package com.shatteredpixel.shatteredpixeldungeon.levels;
+
+import com.watabou.utils.Random;
+
+public class Patch {
+	
+	private static boolean[] cur = new boolean[Level.LENGTH];
+	private static boolean[] off = new boolean[Level.LENGTH];
+	
+	public static boolean[] generate( float seed, int nGen ) {
+		
+		int w = Level.WIDTH;
+		int h = Level.HEIGHT;
+		
+		for (int i=0; i < Level.LENGTH; i++) {
+			off[i] = Random.Float() < seed;
+		}
+		
+		for (int i=0; i < nGen; i++) {
+			
+			for (int y=1; y < h-1; y++) {
+				for (int x=1; x < w-1; x++) {
+					
+					int pos = x + y * w;
+					int count = 0;
+					if (off[pos-w-1]) {
+						count++;
+					}
+					if (off[pos-w]) {
+						count++;
+					}
+					if (off[pos-w+1]) {
+						count++;
+					}
+					if (off[pos-1]) {
+						count++;
+					}
+					if (off[pos+1]) {
+						count++;
+					}
+					if (off[pos+w-1]) {
+						count++;
+					}
+					if (off[pos+w]) {
+						count++;
+					}
+					if (off[pos+w+1]) {
+						count++;
+					}
+					
+					if (!off[pos] && count >= 5) {
+						cur[pos] = true;
+					} else if (off[pos] && count >= 4) {
+						cur[pos] = true;
+					} else {
+						cur[pos] = false;
+					}
+				}
+			}
+			
+			boolean[] tmp = cur;
+			cur = off;
+			off = tmp;
+		}
+		
+		return off;
+	}
+}