/* map.h
*
- * Struct for the game map and routines to manipulate it.
+ * Struct for the game map and routines to create and scroll on it.
*/
#ifndef MAP_H
#define MAP_H
-
-
#include "yx_uint16.h" /* for yx_uint16 and dir enums */
-struct MapObj;
+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 */
};
* 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 due to be created right at the
- * border of the map. The map scroll offset is initialized to 0,0.
+ * 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".
+/* Try to change the view center of map into directino described by "d" (north
+ * = "N", east = "E" etc.).
*/
-extern void map_scroll(struct Map * map, enum dir d, struct yx_uint16 win_size);
+extern void map_scroll(char d);
-/* Scroll map to center on the "object" by changing the scroll offset following
- * (and constrained by) the window size as described by "win_size".
- */
-extern void map_center_object(struct Map * map, struct MapObj * object,
- struct yx_uint16 win_size);
+/* Center map on player. */
+extern void map_center();