1 files changed, 65 insertions, 0 deletions
diff --git a/ghosts.h b/ghosts.h
new file mode 100644
index 0000000..405a5e2
--- /dev/null
+++ b/ghosts.h
@@ -0,0 +1,65 @@
+#ifndef GHOSTS_H_SENTRY
+#define GHOSTS_H_SENTRY
+
+#include "field.h"
+
+enum {
+    red_y = 14,
+    red_x = 15,
+    red_home_y = -1,
+    red_home_x = 25,
+    pink_y = red_y + 1,
+    pink_x = red_x - 2,
+    pink_home_y = red_home_y,
+    pink_home_x = 1,
+    blue_y = red_y,
+    blue_x = red_x-1,
+    blue_home_y = 29,
+    blue_home_x = 27,
+    orange_y = red_y + 1,
+    orange_x = red_x - 3,
+    orange_home_y = blue_home_y,
+    orange_home_x = 0,
+    field_size = 29
+};
+
+enum ghost_color { red, pink, blue, orange };
+enum behavior_mode { chase, scatter, frightened };
+enum movement_direction { left, right, up, down, none };
+
+struct coordinates {
+    int y;
+    int x;
+};
+
+struct ghost_type {
+    struct coordinates position;
+    struct coordinates home_position;
+    enum ghost_color color;
+    enum behavior_mode mode;
+    enum movement_direction direction;
+};
+
+void initialize_ghost(struct ghost_type *ghost, enum ghost_color color);
+
+void pull_out_ghosts(int *get_out_stage,
+                     struct ghost_type *red_ghost, 
+                     struct ghost_type *pink_ghost,
+                     struct ghost_type *blue_ghost, 
+                     struct ghost_type *orange_ghost);
+
+void make_ghost_moves(game_space field,
+                      struct ghost_type *red_ghost,
+                      struct ghost_type *pink_ghost,
+                      struct ghost_type *blue_ghost,
+                      struct ghost_type *orange_ghost);
+
+void redirect(game_space field, enum intersection_type paths, 
+              struct ghost_type *ghost,
+              void (*pathfinder)(game_space field, enum intersection_type paths,
+                                 struct ghost_type *ghost));
+
+void breadth_first_search(game_space field, enum intersection_type paths,
+                          struct ghost_type *ghost);
+
+#endif