2 #include <stdint.h> /* for uint16_t, uint32_t */
3 #include "misc.h" /* for try_malloc(), center_offset() */
4 #include "map_objects.h" /* for Player struct */
5 #include "yx_uint16.h" /* for yx_uint16 and dir enums */
6 #include "rrand.h" /* for rrand() */
7 #include "windows.h" /* for struct Win */
11 extern struct Map init_map()
13 char * f_name = "init_map()";
17 uint32_t size = map.size.x * map.size.y;
18 map.cells = try_malloc(size, f_name);
20 for (y = 0; y < map.size.y; y++)
22 for (x = 0; x < map.size.x; x++)
24 map.cells[(y * map.size.x) + x] = '~';
27 map.cells[size / 2 + (map.size.x / 2)] = '.';
31 y = rrand() % map.size.y;
32 x = rrand() % map.size.x;
33 curpos = y * map.size.x + x;
34 if ('~' == map.cells[curpos]
35 && ((curpos >= map.size.x && '.' == map.cells[curpos - map.size.x])
36 || (curpos < map.size.x * (map.size.y-1)
37 && '.' == map.cells[curpos + map.size.x])
38 || (curpos > 0 && curpos % map.size.x != 0
39 && '.' == map.cells[curpos-1])
40 || (curpos < (map.size.x * map.size.y)
41 && (curpos+1) % map.size.x != 0
42 && '.' == map.cells[curpos+1])))
44 if (y == 0 || y == map.size.y - 1 || x == 0 || x == map.size.x - 1)
48 map.cells[y * map.size.x + x] = '.';
56 extern void map_scroll(struct Win * win, struct yx_uint16 map_size, enum dir d)
59 if ((NORTH == d || SOUTH == d) && map_size.y > win->framesize.y)
61 offset = center_offset(win->center.y, map_size.y, win->framesize.y);
62 win->center.y = offset + (win->framesize.y / 2);
63 if (NORTH == d && win->center.y > 0)
67 else if (SOUTH == d && win->center.y < map_size.y - 1)
72 else if ((WEST == d || EAST == d) && map_size.x > win->framesize.x)
74 offset = center_offset(win->center.x, map_size.x, win->framesize.x);
75 win->center.x = offset + (win->framesize.x / 2);
76 if (WEST == d && win->center.x > 0)
80 else if (EAST == d && win->center.x < map_size.x - 1)