X-Git-Url: https://plomlompom.com/repos/%7B%7Bprefix%7D%7D/copy_structured?a=blobdiff_plain;f=src%2Fserver%2Fmap.h;h=9e3c54858033011cc193c4a5b81007d5f5e39a5c;hb=639a12151eeb7ce0d18de330b4bb8d9d8094c4d3;hp=b2b1ba2ec59d74ef3734bd87b85b129c3ab936b5;hpb=f9c94db47aa883149aa762fa128ac1ff1b3f92e1;p=plomrogue

diff --git a/src/server/map.h b/src/server/map.h
index b2b1ba2..9e3c548 100644
--- a/src/server/map.h
+++ b/src/server/map.h
@@ -1,12 +1,12 @@
 /* src/server/map.h
  *
- * Struct for the game map and routines to create and scroll on it.
+ * Struct for the game map and routines to create and navigate on it.
  */
 
 #ifndef MAP_H
 #define MAP_H
 
-#include <stdint.h> /* uint8_t */
+#include <stdint.h> /* uint8_t, uint16_t */
 #include "../common/yx_uint8.h" /* yx_uint8 struct */
 #include "../common/yx_uint16.h" /* yx_uint16 struct */
 
@@ -16,18 +16,16 @@ struct Map
 {
     struct yx_uint16 size; /* Map's height/width (use max. 256x256)! */
     char * cells; /* Sequence of bytes encoding map cells. */
-    uint8_t dist_orthogonal; /* Ratio of the diagonal movement penalty as   */
-    uint8_t dist_diagonal;   /* encoded by (.dist_diagonal/.dist_orthonal). */
 };
 
 
 
 /* Initialize island map "~" 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.
+ * 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();
 
@@ -36,6 +34,9 @@ extern void init_map();
  */
 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);
+
 
 
 #endif