#ifndef MAP_H
#define MAP_H
-
-
#include "yx_uint16.h" /* for yx_uint16 and dir enums */
-struct Player;
+struct Win;
struct Map
{
struct yx_uint16 size; /* map's height/width in number of cells */
- struct yx_uint16 offset; /* the map scroll offset */
char * cells; /* sequence of bytes encoding map cells */
};
* starting with a sea containing one land cell in the middle and then going
* into a cycle of repeatedly selecting a random cell on the map and
* transforming it into a land cell if it is horizontally or vertically neighbor
- * to one. The cycle ends when a land cell is created that is only one cell away
- * from the edge of the map. The map scroll offset is initialized to 0,0.
+ * to one; the cycle ends when a land cell is due to be created right at the
+ * border of the map.
*/
extern struct Map init_map();
-/* Scroll map into direction "dir" by changing the scroll offset if that does
- * not push the map view beyond the size of the map window as described by
- * "win_size".
- */
-extern void map_scroll(struct Map * map, enum dir d, struct yx_uint16 win_size);
-/* Scroll map to center on the player by changing the scroll offset following
- * (and constrained by) the window size as described by "win_size".
- */
-extern void map_center_player(struct Map * map, struct Player * player,
- struct yx_uint16 win_size);
+
+/* Try to change the view center of map "win" of "map_size" into dir "d". */
+extern void map_scroll(struct Win * win, struct yx_uint16 map_size, enum dir d);