npc : ajout des déclarations des nouvelles fonctions, typo

src/npc.c

@@ -44,7 +44,6 @@ int npc_clear_path(NPC *npc)
     return 0;
 }
 
-//Won't work on static NPCs, use npc_clear_path before or make them on the heap
 int npc_append_path(uint16_t x, uint16_t y, NPC *npc)
 {
     npc->path_length++;
@@ -66,7 +65,7 @@ void as_clean(uint8_t *visited, uint8_t *gscore, uint8_t *fscore)
 int as_reconstruct_path(int16_t *came_from, int w, int h, int16_t spos,
                             int16_t dest, NPC *npc)
 {
-    if(npc_clear_path(npc) goto as_recons_fail;
+    if(npc_clear_path(npc)) goto as_recons_fail;
 
     int16_t next = came_from[dest];
 

src/npc.h

@@ -46,7 +46,18 @@ typedef struct
     bool paused;
 } NPC;
 
+//Frees then malloc()s a new path to npc
+//Useful if you want to safely edit a path
+int npc_clear_path(NPC *npc);
 
+//Adds point x,y to the path of npc
+//Won't work on static NPCs, use npc_clear_path before or make them on the heap
+int npc_append_path(uint16_t x, uint16_t y, NPC *npc);
+
+//Clears the NPCs path and creates a new one going to dest,
+//avoiding non-walkable tiles
+//Returns non-zero on failure
+int npc_pathfind(int dest_x, int dest_y, Map *full_map, NPC *npc);
 
 /* Draws the player player. This function should be called after drawing the
  * map! */