--- deliantra/server/random_maps/snake.C 2006/09/14 22:34:02 1.3 +++ deliantra/server/random_maps/snake.C 2008/04/14 22:41:17 1.8 @@ -1,3 +1,4 @@ + /* peterm@langmuir.eecs.berkeley.edu: this function generates a random snake-type layout. @@ -9,43 +10,31 @@ */ - -#include #include -#include - - - +#include "random_map.h" +#include "rproto.h" -char ** -make_snake_layout (int xsize, int ysize, int options) +void +make_snake_layout (Maze 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 (rndm (2)) { /* vertical orientation */ - int n_walls = RANDOM () % ((xsize - 5) / 3) + 1; + int n_walls = rndm (xsize - 5) / 3 + 1; int spacing = xsize / (n_walls + 1); int orientation = 1; @@ -54,25 +43,24 @@ 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 = rndm (ysize - 5) / 3 + 1; int spacing = ysize / (n_walls + 1); int orientation = 1; @@ -81,25 +69,24 @@ 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 (rndm (2)) { maze[1][1] = '<'; maze[xsize - 2][ysize - 2] = '>'; @@ -109,7 +96,5 @@ maze[1][1] = '>'; maze[xsize - 2][ysize - 2] = '<'; } - - - return maze; } +