From: Lukas Krickl <lukas@krickl.dev>
Date: Wed, 5 Nov 2025 04:34:51 +0000 (+0100)
Subject: tiles: wip added tile update logic
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=4faffc24005b9b5f91ac207e11dfcb1cbb74ca5d;p=gbrg%2F.git

tiles: wip added tile update logic
---

diff --git a/src/map.s b/src/map.s
index f04823e..d77bc24 100644
--- a/src/map.s
+++ b/src/map.s
@@ -33,6 +33,9 @@ map_load:
 	call player_init
 	call ui_init
 
+	ld de, tiles
+	call tile_next_set
+
 	ret
 	
 	; loads a tileset
diff --git a/src/tiles.s b/src/tiles.s
index b87ac05..3a2436c 100644
--- a/src/tiles.s
+++ b/src/tiles.s
@@ -4,14 +4,51 @@
 #define GFX_PHIVE 0x62
 #define GFX_EHIVE 0x4A
 #define GFX_FOOD 0x03
+
+	
+	; inits the next tile
+	; inputs:
+	;		de: next tile
+tile_next_set:
+	ld a, d
+	ld [next_update_tile], a
+	ld a, e
+	ld [next_update_tile+1], a
+	ret
+	
+	; updates the next tile
+	; in the queue
+	; inputs:
+	;		next_update_tile
+	;	sets next_update_tile to next tile 
+	;		wraps to first tile if end is reached
+tile_next_update:
+	ld a, [next_update_tile]
+	ld d, a
+	ld a, [next_update_tile+1]
+	ld e, a
 	
+	push de
+	call tile_update
+	pop de
+
+	; next tile
+	ld hl, t_size
+	add hl, de
+	push hl
+	pop de
+	; TODO: wrap back to start
+	call tile_next_set
+
+	ret
+
 	; updates a tile with its 
 	; routine
 	; inputs:
 	;		de: tile
 tile_update:
 	ret
-	
+
 	; table of update routines
 	; for each tile
 tile_update_table:
diff --git a/src/update.s b/src/update.s
index a5cf3d1..7e399f7 100644
--- a/src/update.s
+++ b/src/update.s
@@ -15,6 +15,8 @@ update_game:
 
 	call enemy_update
 
+	call tile_next_update
+
 	call ui_update