map.height = 64;
map.offset_x = 0;
map.offset_y = 0;
- map.cells = malloc(map.width * map.height);
- uint16_t x, y, ran;
- char terrain;
+ uint32_t size = map.width * map.height;
+ map.cells = malloc(size);
+ uint16_t y, x;
for (y = 0; y < map.height; y++)
- for (x = 0; x < map.width; x++) {
- terrain = '.';
- ran = rrand(0, 0);
- if ( 0 == ran % ((x*x) / 3 + 1)
- || 0 == ran % ((y*y) / 3 + 1)
- || 0 == ran % ((map.width - x - 1) * (map.width - x - 1) / 3 + 1)
- || 0 == ran %((map.height - y - 1) * (map.height - y - 1) / 3 + 1))
- terrain = ' ';
- map.cells[(y * map.width) + x] = terrain; }
+ for (x = 0; x < map.width; x++)
+ map.cells[(y * map.width) + x] = '~';
+ map.cells[size / 2 + (map.width / 2)] = '.';
+ uint32_t repeats, root, curpos;
+ for (root = 0; root * root * root < size; root++);
+ for (repeats = 0; repeats < size * root; repeats++) {
+ y = rrand(0, 0) % map.height;
+ x = rrand(0, 0) % map.width;
+ curpos = y * map.width + x;
+ if ('~' == map.cells[curpos] &&
+ ( (curpos >= map.width && '.' == map.cells[curpos - map.width])
+ || (curpos < map.width * (map.height - 1) && '.' == map.cells[curpos + map.width])
+ || (curpos > 0 && '.' == map.cells[curpos - 1] && curpos % map.width != 0)
+ || (curpos < (map.width * map.height) && '.' == map.cells[curpos + 1]) && (curpos + 1) % map.width != 0))
+ map.cells[y * map.width + x] = '.'; }
return map; }
void map_scroll (struct Map * map, char dir) {