From: Christian Heller <c.heller@plomlompom.de>
Date: Sun, 3 Aug 2014 21:29:12 +0000 (+0200)
Subject: Server: Ensure that AI does not move towards enemies outside its FOV.
X-Git-Tag: tce~669
X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/cards/%7B%7B%20card_id%20%7D%7D/foo.html?a=commitdiff_plain;h=d304b75ee742d50b6cfa9ad81c44d37fb84a4b5a;p=plomrogue

Server: Ensure that AI does not move towards enemies outside its FOV.
---

diff --git a/src/server/ai.c b/src/server/ai.c
index c613928..91a6c86 100644
--- a/src/server/ai.c
+++ b/src/server/ai.c
@@ -5,6 +5,7 @@
 #include <stdint.h> /* uint8_t, uint16_t, uint32_t, UINT16_MAX */
 #include <stdlib.h> /* free() */
 #include "../common/try_malloc.h" /* try_malloc() */
+#include "field_of_view.h" /* HIDDEN */
 #include "hardcoded_strings.h" /* s */
 #include "thing_actions.h" /* get_thing_action_id_by_name() */
 #include "things.h" /* struct Thing */
@@ -138,7 +139,8 @@ static char get_dir_to_nearest_enemy(struct Thing * t_origin)
     struct Thing * t = world.things;
     for (; t != NULL; t = t->next)
     {
-        if (!t->lifepoints || t == t_origin)
+        if (   !t->lifepoints || t == t_origin
+            || HIDDEN == t_origin->fov_map[t->pos.y*world.map.length+t->pos.x])
         {
             continue;
         }
diff --git a/src/server/field_of_view.h b/src/server/field_of_view.h
index 9060f1d..aa8fe7c 100644
--- a/src/server/field_of_view.h
+++ b/src/server/field_of_view.h
@@ -15,7 +15,7 @@ struct Thing;
 
 /* States that cells in the field of view map may be in. */
 enum fov_cell_states {
-    HIDDEN = 0x00,
+    HIDDEN  = 0x00,
     VISIBLE = 0x01
 };