--- deliantra/server/random_maps/snake.C	2006/09/10 16:06:37	1.2
+++ deliantra/server/random_maps/snake.C	2012/01/03 11:25:34	1.16
@@ -1,7 +1,28 @@
-
+/*
+ * This file is part of Deliantra, the Roguelike Realtime MMORPG.
+ * 
+ * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
+ * Copyright (©) 1994-2004 Crossfire Development Team (restored, original file without copyright notice)
+ * 
+ * Deliantra is free software: you can redistribute it and/or modify it under
+ * the terms of the Affero 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 Affero GNU General Public License
+ * and the GNU General Public License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ * 
+ * The authors can be reached via e-mail to <support@deliantra.net>
+ */
 
 /* peterm@langmuir.eecs.berkeley.edu:  this function generates a random
-snake-type layout.
+snake-type maze.
 
 input:  xsize, ysize;
 output:  a char** array with # and . for closed and open respectively.
@@ -11,43 +32,31 @@
 
 */
 
-
-#include <stdio.h>
 #include <global.h>
-#include <time.h>
-
-
-
+#include <rmg.h>
+#include "rproto.h"
 
-char **
-make_snake_layout (int xsize, int ysize, int options)
+void
+make_snake_layout (layout &maze, int options)
 {
   int i, j;
 
-  /* allocate that array, set it up */
-  char **maze = (char **) calloc (sizeof (char *), xsize);
+  maze.clear ();
+  maze.border ();
 
-  for (i = 0; i < xsize; i++)
-    {
-      maze[i] = (char *) calloc (sizeof (char), ysize);
-    }
-
-  /* write the outer walls */
-  for (i = 0; i < xsize; i++)
-    maze[i][0] = maze[i][ysize - 1] = '#';
-  for (j = 0; j < ysize; j++)
-    maze[0][j] = maze[xsize - 1][j] = '#';
+  int xsize = maze.w;
+  int ysize = maze.h;
 
   /* Bail out if the size is too small to make a snake. */
   if (xsize < 8 || ysize < 8)
-    return maze;
+    return;
 
   /* decide snake orientation--vertical or horizontal , and
      make the walls and place the doors. */
 
-  if (RANDOM () % 2)
+  if (rmg_rndm (2))
     {                           /* vertical orientation */
-      int n_walls = RANDOM () % ((xsize - 5) / 3) + 1;
+      int n_walls = rmg_rndm (xsize - 5) / 3 + 1;
       int spacing = xsize / (n_walls + 1);
       int orientation = 1;
 
@@ -56,25 +65,24 @@
           if (orientation)
             {
               for (j = 1; j < ysize - 2; j++)
-                {
-                  maze[i][j] = '#';
-                }
+                maze[i][j] = '#';
+
               maze[i][j] = 'D';
             }
           else
             {
               for (j = 2; j < ysize; j++)
-                {
-                  maze[i][j] = '#';
-                }
+                maze[i][j] = '#';
+
               maze[i][1] = 'D';
             }
+
           orientation ^= 1;     /* toggle the value of orientation */
         }
     }
   else
     {                           /* horizontal orientation */
-      int n_walls = RANDOM () % ((ysize - 5) / 3) + 1;
+      int n_walls = rmg_rndm (ysize - 5) / 3 + 1;
       int spacing = ysize / (n_walls + 1);
       int orientation = 1;
 
@@ -83,25 +91,24 @@
           if (orientation)
             {
               for (j = 1; j < xsize - 2; j++)
-                {
-                  maze[j][i] = '#';
-                }
+                maze[j][i] = '#';
+
               maze[j][i] = 'D';
             }
           else
             {
               for (j = 2; j < xsize; j++)
-                {
-                  maze[j][i] = '#';
-                }
+                maze[j][i] = '#';
+
               maze[1][i] = 'D';
             }
+
           orientation ^= 1;     /* toggle the value of orientation */
         }
     }
 
   /* place the exit up/down */
-  if (RANDOM () % 2)
+  if (rmg_rndm (2))
     {
       maze[1][1] = '<';
       maze[xsize - 2][ysize - 2] = '>';
@@ -111,7 +118,5 @@
       maze[1][1] = '>';
       maze[xsize - 2][ysize - 2] = '<';
     }
-
-
-  return maze;
 }
+