From: Lukas Krickl <lukas@krickl.dev>
Date: Sun, 2 Feb 2025 09:58:41 +0000 (+0100)
Subject: animation: made walk speed more easily adjustable
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=0cd468bb4e812630b739c19c476ffa2c5788f102;p=gbrg%2F.git

animation: made walk speed more easily adjustable
---

diff --git a/src/animation.s b/src/animation.s
index 76b49f2..9abf931 100644
--- a/src/animation.s
+++ b/src/animation.s
@@ -6,24 +6,24 @@
   ; sm_param[0]: frames to walk for
 anim_walk_north:
   inc bc ; bc = actor y
-  ld d, 0xFF ; walk back 
+  ld d, 0xFF & 0 - ANIM_WALK_SPEED ; walk back 
   jp anim_walk_generic 
 
 anim_walk_south:
   inc bc ; bc = actor y
-  ld d, 1 ; walk forward 
+  ld d, ANIM_WALK_SPEED ; walk forward 
   jp anim_walk_generic 
 
 anim_walk_east:
   inc bc
   inc bc ; bc = actor x
-  ld d, 1 ; walk forward
+  ld d, ANIM_WALK_SPEED ; walk forward
   jp anim_walk_generic
 
 anim_walk_west:
   inc bc
   inc bc ; bc = actor x
-  ld d, 0xFF ; walk back 
+  ld d, 0xFF & 0 - ANIM_WALK_SPEED ; walk back 
   jp anim_walk_generic
 
   ; generic version of anim walk
diff --git a/src/defs.s b/src/defs.s
index bf16bbf..c94acac 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -55,7 +55,9 @@
 #define ANIM_STEP_UP 0xFF
 #define ANIM_STEP_RIGHT 1
 
-#define ANIM_PLAYER_WALK_FRAMES 16
+#define ANIM_WALK_SPEED 1
+#define ANIM_TILE_SIZE 16
+#define ANIM_PLAYER_WALK_FRAMES (ANIM_TILE_SIZE / ANIM_WALK_SPEED) 
 
 ; actor type enum
 .se 0
diff --git a/src/state.s b/src/state.s
index bb62b89..e176932 100644
--- a/src/state.s
+++ b/src/state.s
@@ -49,7 +49,7 @@ sm_player_poll_inputs:
     ld [hl], a ; set param[0]
   
     ; perform collision check
-    ld d, ANIM_PLAYER_WALK_FRAMES
+    ld d, ANIM_TILE_SIZE 
     ld e, 0
     call player_collision_check
 
@@ -67,7 +67,7 @@ sm_player_poll_inputs:
 
 
     ; perform collision check
-    ld d, 0xFF & 0 - ANIM_PLAYER_WALK_FRAMES
+    ld d, 0xFF & 0 - ANIM_TILE_SIZE 
     ld e, 0
     call player_collision_check
 
@@ -85,7 +85,7 @@ sm_player_poll_inputs:
 
     ; perform collision check
     ld d, 0
-    ld e, 0xFF & 0 - ANIM_PLAYER_WALK_FRAMES
+    ld e, 0xFF & 0 - ANIM_TILE_SIZE 
     call player_collision_check
 
     ret
@@ -102,7 +102,7 @@ sm_player_poll_inputs:
 
     ; perform collision check
     ld d, 0
-    ld e, ANIM_PLAYER_WALK_FRAMES
+    ld e, ANIM_TILE_SIZE 
     call player_collision_check
 
     ret