Searching for all ghosts

1 files changed, 32 insertions, 3 deletions

diff --git a/pacman.c b/pacman.c
index 9346055..f2e0161 100644
--- a/pacman.c
+++ b/pacman.c
@@ -19,10 +19,39 @@ static void pathfinder_stage(game_space field, struct pacman pac,
                              struct ghost_type *blue_ghost,
                              struct ghost_type *orange_ghost)
 {
+    void (*search_method)(game_space, struct ghost_type*, struct coordinates);
     enum intersection_type intersection;
-    intersection = get_intersection(field, red_ghost);
-    if(intersection != direct_path)
-        redirect(field, intersection, red_ghost, pac, breadth_first_search);
+    int color_priority;
+    struct ghost_type *current_ghost;
+    struct coordinates target_point;
+    for(color_priority = 0; color_priority <= orange; ++color_priority) {
+        switch(color_priority) {
+        case red:
+            current_ghost = red_ghost;
+            target_point = pac.position;
+            search_method = breadth_first_search;
+            break;
+        case pink:
+            current_ghost = pink_ghost;
+            target_point = identify_target_in_front(pac, pink_shift);
+            search_method = compute_distance_between_points;
+            break;
+        case blue:
+            current_ghost = blue_ghost;
+            target_point = identify_blue_target(pac, red_ghost);
+            search_method = compute_distance_between_points;
+            break;
+        case orange:
+            current_ghost = orange_ghost;
+            target_point = pac.position;
+            search_method = breadth_first_search;
+            break;
+        }
+        intersection = get_intersection(field, current_ghost);
+        if(intersection != direct_path)
+            redirect(field, intersection, current_ghost, target_point,
+                     search_method);
+    }
 }
 
 static void initialize_ghosts(struct ghost_type *red_ghost,