From d3798cc99f7232e377d7aae2981d30778175a83e Mon Sep 17 00:00:00 2001
From: NotAShelf <raf@notashelf.dev>
Date: Fri, 3 Apr 2026 13:59:51 +0300
Subject: [PATCH] map: add `is_floor()` helper to check walkable tiles

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I7368f74d1cbcf5913e5d8e9331cfa4326a6a6964
---
 src/map.c | 6 +++---
 src/map.h | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/map.c b/src/map.c
index e3559ec..24016c9 100644
--- a/src/map.c
+++ b/src/map.c
@@ -13,7 +13,7 @@ void map_init(Map *map) {
   map->room_count = 0;
 }
 
-int is_floor(Map *map, int x, int y) {
+int is_floor(const Map *map, int x, int y) {
   if (!in_bounds(x, y, MAP_WIDTH, MAP_HEIGHT))
     return 0;
   return map->tiles[y][x] == TILE_FLOOR || map->tiles[y][x] == TILE_STAIRS;
@@ -62,8 +62,8 @@ static int room_overlaps(Room *rooms, int count, Room *new_room) {
   // Add padding to prevent rooms from touching
   for (int i = 0; i < count; i++) {
     Room *r = &rooms[i];
-    if (!(new_room->x > r->x + r->w || new_room->x + new_room->w < r->x ||
-          new_room->y > r->y + r->h || new_room->y + new_room->h < r->y)) {
+    if (!(new_room->x > r->x + r->w || new_room->x + new_room->w < r->x || new_room->y > r->y + r->h ||
+          new_room->y + new_room->h < r->y)) {
       return 1;
     }
   }
diff --git a/src/map.h b/src/map.h
index 4280e2b..3cf6337 100644
--- a/src/map.h
+++ b/src/map.h
@@ -4,7 +4,7 @@
 #include "common.h"
 
 // Check if a tile is walkable floor
-int is_floor(Map *map, int x, int y);
+int is_floor(const Map *map, int x, int y);
 
 // Get room center coordinates
 void get_room_center(Room *room, int *cx, int *cy);
@@ -18,4 +18,4 @@ void map_init(Map *map);
 // Get a random floor tile position
 void get_random_floor_tile(Map *map, int *x, int *y, int attempts);
 
-#endif // MAP_H
+#endif  // MAP_H