X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=src%2Fmap.h;h=a1d607ac2d7f0a2cffc949f111be42d9079a8b43;hb=3f2b7a8d7dc649f5afecedf7b630ae964ec5bfe4;hp=9bcd11b004c0e693c3204f118f6277f9e4e64c49;hpb=83d75731b23c1e7acda3d9d72bcf22fef49315be;p=plomrogue
diff --git a/src/map.h b/src/map.h
index 9bcd11b..a1d607a 100644
--- a/src/map.h
+++ b/src/map.h
@@ -1,22 +1,19 @@
/* 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 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 */
};
@@ -27,22 +24,23 @@ struct Map
* 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".
+/* 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);
+
+/* Center map on player. */
+extern void map_center();
-/* Scroll map to center on the player by changing the scroll offset as far as is
- * possible sans leaving the size of the map window as described by "win_size".
+/* Check if coordinate pos on (or beyond) map is accessible to map object
+ * movement.
*/
-extern void map_center_player(struct Map * map, struct Player * player,
- struct yx_uint16 win_size);
+extern uint8_t is_passable(struct Map * map, struct yx_uint16 pos);