X-Git-Url: https://plomlompom.com/repos/berlin_corona.txt?a=blobdiff_plain;ds=sidebyside;f=src%2Fserver%2Fmap.h;h=f74d85df18bd7b6305b1733949df74e52ca7a60d;hb=d92f16d5959fc846d3eaf669517eecb3969cda08;hp=464f8964d5a8d76e48a71a989c95fa2d2a1319e6;hpb=dd9d65ee727ac7e95801da0f8b5bae7009811802;p=plomrogue

diff --git a/src/server/map.h b/src/server/map.h
index 464f896..f74d85d 100644
--- a/src/server/map.h
+++ b/src/server/map.h
@@ -1,30 +1,32 @@
 /* src/server/map.h
  *
- * Struct for the game map and routines to create and scroll on it.
+ * Routines to create and navigate game map.
  */
 
 #ifndef MAP_H_SERVER
 #define MAP_H_SERVER
 
-#include <stdint.h> /* uint8_t */
-#include "../common/map.h" /* struct Map */
-#include "../common/yx_uint16.h" /* yx_uint16 struct */
+#include <stdint.h> /* uint8_t, uint16_t */
+#include "../common/yx_uint8.h" /* yx_uint8 struct */
 
 
 
-/* Initialize island map as 64 x 64 "~" cells representing water and "." cells
- * representing land. The shape of the island is generated randomly by 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 due to be created right at the border of the map.
+/* Initialize island map "~" cells representing water and "." cells representing
+ * land. The island shape is built randomly by starting with a sea of one land
+ * cell in the middle, then going into a cycle of repeatedly selecting a random
+ * seal cell and transforming it into land if it is neighbor to land; the cycle
+ * ends when a land cell is due to be created right at the border of the map.
+ * Lots of 'X' cells representing trees are put on the island, too.
  */
 extern void init_map();
 
-/* Check if coordinate "pos" on (or beyond) world.map is accessible to map
- * object movement.
+/* Check if coordinate "pos" on (or beyond) world.map is accessible to thing
+ * movement.
  */
-extern uint8_t is_passable(struct yx_uint16 pos);
+extern uint8_t is_passable(struct yx_uint8 pos);
+
+/* Transform "yx" to an index position in the world map. */
+extern uint16_t yx_to_map_pos(struct yx_uint8 * yx);