From 596eeed9dd378a8994778e03319b538206672bec Mon Sep 17 00:00:00 2001
From: Kirill Petrashin <kirill8201@yandex.ru>
Date: Sat, 21 Mar 2026 15:31:53 +0300
Subject: Implement breadth-first-search + fix the priority queue + some other
 stuff

---
 structs.h | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'structs.h')

diff --git a/structs.h b/structs.h
index 5221829..8e5f28e 100644
--- a/structs.h
+++ b/structs.h
@@ -7,7 +7,31 @@ struct Position_s {
     size_t x;
     size_t y;
 };
-
 typedef struct Position_s Position;
 
+enum MapTile_e {
+    EMPTY = 0,
+    WALL,
+};
+
+typedef enum MapTile_e MapTile;
+
+enum Colors_e {
+    EMPTY_COLOR = 1,
+    GOAL_COLOR = 2,
+    WALL_COLOR = 3,
+    START_COLOR = 4,
+    PATH_COLOR = 5,
+};
+
+/* A map is a 2D array of MapTiles. 
+ * Use as map[row][column] */
+typedef MapTile** Map;
+
+struct PathNode_s {
+    Position parent;
+};
+typedef struct PathNode_s PathNode;
+typedef PathNode** Path;
+
 #endif /* STRUCTS_H_ */
-- 
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