From: Lukas Krickl <lukas@krickl.dev>
Date: Tue, 11 Nov 2025 17:19:35 +0000 (+0100)
Subject: tiles: adjacent tiles are now stored in an array
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=d83f4258e2c2956173d14b26493a10cd5ec78b65;p=gbrg%2F.git

tiles: adjacent tiles are now stored in an array
---

diff --git a/src/tiles.s b/src/tiles.s
index a1534bf..86c4a19 100644
--- a/src/tiles.s
+++ b/src/tiles.s
@@ -216,8 +216,25 @@ tile_get_adjacent:
 
 	; 2) get tiles left and right (up to 2 tiles)
 
+	; left
+	tile_adjacent_store 0, (-1 * t_size) & 0xFFFF
+	; right
+	tile_adjacent_store (MAP_W-1), t_size
+
 	; 3) get tiles below (up to 3 tiles)
 
+	; check if y is already MAP_H-1 if so skip
+	ld a, [update_tile_y]
+	cp a, MAP_H-1
+	jp z, @skip_below
+
+		; down/center tile	
+		tile_adjacent_store 0xFF, (t_size * MAP_W)
+		; down/left tile
+		tile_adjacent_store 0, (t_size * (MAP_W+1))
+		; down/right tile
+		tile_adjacent_store (MAP_W-1), (t_size * (MAP_W-1))
+@skip_below:
 
 	ret