Server: Refactor yx_uint8 moving; handle actors hitting the map edge.

[plomrogue] / src / server / map.c

diff --git a/src/server/map.c b/src/server/map.c
index 7eececab5a74257d44b98ab3dad31351f3d3b85f..50c7bf1560105c5e6b3f2af12971637492ae2ac5 100644 (file)
--- a/src/server/map.c
+++ b/src/server/map.c
@@ -7,6 +7,7 @@
 #include "../common/try_malloc.h" /* try_malloc() */
 #include "../common/yx_uint8.h" /* struct yx_uint8 */
 #include "rrand.h" /* rrand() */
+#include "yx_uint8.h" /* mv_yx_in_dir_wrap() */
 #include "world.h" /* global world */
 
 
@@ -163,7 +164,12 @@ extern uint8_t is_passable(struct yx_uint8 pos)
 
 
 
-extern uint16_t yx_to_map_pos(struct yx_uint8 * yx)
+extern uint8_t mv_yx_in_dir_legal(char dir, struct yx_uint8 * yx)
 {
-    return (yx->y * world.map.length) + yx->x;
+    uint8_t wraptest = mv_yx_in_dir_wrap(dir, yx, 0);
+    if (!wraptest && yx->x < world.map.length && yx->y < world.map.length)
+    {
+        return 1;
+    }
+    return 0;
 }