From 822cbb88a522cd835e3435ef7bf2143618a33edf Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Tue, 26 Nov 2024 08:28:59 +0100
Subject: [PATCH] Moved animation loading to a macro

---
 src/actor.s | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/src/actor.s b/src/actor.s
index 9a32880..fbda9c9 100644
--- a/src/actor.s
+++ b/src/actor.s
@@ -31,6 +31,24 @@
   ld [actor_soam_ptr], a
 #endmacro
 
+  ; loads an animation frame 
+  ; from a table
+  ; uses hl and a
+  ; inputs:
+  ;   $1: table 
+  ;   $2: max frames (mask)
+  ; returns:
+  ;   a: the frame 
+#macro load_anim_frame
+  ld hl, $1 
+  ld a, [frame_count]
+  and a, $2 ; max frames  
+  ld d, 0
+  ld e, a 
+  add hl, de ; hl = correct tile index 
+  ld a, [hl]
+#endmacro 
+
 actor_anim_table_bat:
 .db BAT_TILE_IDLE1
 .db BAT_TILE_IDLE1
@@ -77,13 +95,7 @@ actor_update_bat:
 
 @skip:
   ; load tile to use into tmp
-  ld hl, actor_anim_table_bat
-  ld a, [frame_count]
-  and a, 0b1111 ; even and odd frames 
-  ld d, 0
-  ld e, a 
-  add hl, de ; hl = correct tile index 
-  ld a, [hl]
+  load_anim_frame actor_anim_table_bat, 0b1111
   ld [tmp], a
 
   ; load oam ptr 
-- 
2.30.2