--- /dev/null
+/* src/client/map.c */
+
+#include "map.h"
+#include <stdint.h> /* uint16_t */
+#include "misc.h" /* center_offset() */
+#include "windows.h" /* struct Win, get_win_by_id() */
+#include "world.h" /* for global world */
+
+
+
+extern void map_scroll(char d)
+{
+ struct Win * win = get_win_by_id('m');
+ uint16_t offset;
+ if (('8' == d || '2' == d) && world.map.size.y > win->frame_size.y)
+ {
+ offset = center_offset(win->center.y,
+ world.map.size.y, win->frame_size.y);
+ win->center.y = offset + (win->frame_size.y / 2);
+ if ('2' == d && win->center.y < world.map.size.y - 1)
+ {
+ win->center.y++;
+ return;
+ }
+ win->center.y = win->center.y - ('8' == d && win->center.y > 0);
+ }
+ else if (('4' == d || '6' == d) && world.map.size.x > win->frame_size.x)
+ {
+ offset = center_offset(win->center.x,
+ world.map.size.x, win->frame_size.x);
+ win->center.x = offset + (win->frame_size.x / 2);
+ if ('6' == d && win->center.x < world.map.size.x - 1)
+ {
+ win->center.x++;
+ return;
+ }
+ win->center.x = win->center.x - ('4' == d && win->center.x > 0);
+ }
+}
+
+
+
+extern void map_center()
+{
+ struct Win * win_map = get_win_by_id('m');
+ win_map->center = world.player_pos;
+}