#include "map.h"
-#include <stdlib.h> /* for malloc() */
#include <stdint.h> /* for uint16_t, uint32_t */
-#include "misc.h" /* for center_offset() */
-#include "map_objects.h" /* for Player struct */
+#include "misc.h" /* for try_malloc(), center_offset(), rrand() */
+#include "map_objects.h" /* for get_player() */
#include "yx_uint16.h" /* for yx_uint16 and dir enums */
-#include "rrand.h" /* for rrand() */
+#include "windows.h" /* for struct Win */
+#include "main.h" /* for world global */
+#include "wincontrol.h" /* for get_win_by_id() */
-struct Map init_map ()
+extern struct Map init_map()
{
+ char * f_name = "init_map()";
struct Map map;
map.size.x = 64;
map.size.y = 64;
- map.offset.x = 0;
- map.offset.y = 0;
uint32_t size = map.size.x * map.size.y;
- map.cells = malloc(size);
+ map.cells = try_malloc(size, f_name);
uint16_t y, x;
for (y = 0; y < map.size.y; y++)
{
-void map_scroll (struct Map * map, enum dir d, struct yx_uint16 win_size)
+extern void map_scroll(char d)
{
- if (NORTH == d && map->offset.y > 0)
+ struct Win * win = get_win_by_id('m');
+ uint16_t offset;
+ if (('N' == d || 'S' == d) && world.map->size.y > win->framesize.y)
{
- map->offset.y--;
- }
- else if (WEST == d && map->offset.x > 0)
- {
- map->offset.x--;
- }
- else if (SOUTH == d && map->offset.y + win_size.y < map->size.y)
- {
- map->offset.y++;
+ offset = center_offset(win->center.y,
+ world.map->size.y, win->framesize.y);
+ win->center.y = offset + (win->framesize.y / 2);
+ if ('N' == d && win->center.y > 0)
+ {
+ win->center.y--;
+ }
+ else if ('S' == d && win->center.y < world.map->size.y - 1)
+ {
+ win->center.y++;
+ }
}
- else if (EAST == d && map->offset.x + win_size.x < map->size.x)
+ else if (('W' == d || 'E' == d) && world.map->size.x > win->framesize.x)
{
- map->offset.x++;
+ offset = center_offset(win->center.x,
+ world.map->size.x, win->framesize.x);
+ win->center.x = offset + (win->framesize.x / 2);
+ if ('W' == d && win->center.x > 0)
+ {
+ win->center.x--;
+ }
+ else if ('E' == d && win->center.x < world.map->size.x - 1)
+ {
+ win->center.x++;
+ }
}
}
-void map_center_player(struct Map * map, struct Player * player,
- struct yx_uint16 win_size)
+extern void map_center()
{
- map->offset.y = center_offset (player->pos.y, map->size.y, win_size.y);
- map->offset.x = center_offset (player->pos.x, map->size.x, win_size.x);
+ struct MapObj * player = get_player();
+ struct Win * win_map = get_win_by_id('m');
+ win_map->center = player->pos;
+}
+
+
+
+extern uint8_t is_passable(struct Map * map, struct yx_uint16 pos)
+{
+ uint8_t passable = 0;
+ if (0 <= pos.x && pos.x < map->size.x && 0 <= pos.y && pos.y < map->size.y)
+ {
+ passable = (('.' == map->cells[pos.y * map->size.x + pos.x]));
+ }
+ return passable;
}