From: Lukas Krickl <lukas@krickl.dev>
Date: Sun, 26 Jan 2025 17:53:00 +0000 (+0100)
Subject: animation: added basic setup for new animation system
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=7ace3e786a4aa16d587d579ff1e274e2d2fbf377;p=gbrg%2F.git

animation: added basic setup for new animation system
---

diff --git a/src/animation.s b/src/animation.s
index 704ba67..7f42aca 100644
--- a/src/animation.s
+++ b/src/animation.s
@@ -2,13 +2,39 @@
 ; each frame the latest animation is 
 ; updated
 
+
+  ; animation update calls
+  ; inputs for all:
+  ;   bc: current animation ptr
 animation_table:
   dw anim_nop
-
+  dw anim_walk_up
+  dw anim_walk_down
+  dw anim_walk_left
+  dw anim_walk_right
+  
+  ; empty animation used as default value 
 anim_nop:
   ret
 
 
+  ; anim walk_<direction>
+  ; inputs:
+  ;   anim_p0/p1: ptr to y/x position
+
+anim_walk_up:
+  ret
+
+anim_walk_right:
+  ret
+
+anim_walk_left:
+  ret
+
+anim_walk_down:
+  ret
+
+
   ; updates the current animation
   ; an animation is a simple pointer
   ; to an update function
@@ -17,12 +43,14 @@ anim_nop:
   ; to set itself to 0000 when the animation is finisehd 
   ; this is how anim_finished performs its check
 anim_update:
-  ld a, [curr_anim_flags]
+  ld hl, curr_anim ; hl = anim_flags
+  ld a, [hl+] ; a = flag
   and a, ANIM_FREADY
   ret z
 
+  ld a, [hl]
   ld hl, animation_table
-  ld a, [curr_anim_type]
+  ld bc, curr_anim 
   call call_tbl
 
   ret
diff --git a/src/defs.s b/src/defs.s
index 4dfaf44..dc30b06 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -205,8 +205,17 @@
 ; animation table entries 
 .se 0
 .de ANIM_TNOP, 1
+.de ANIM_TWALK_UP, 1
+.de ANIM_TWALK_DOWN, 1
+.de ANIM_TWALK_LEFT, 1
+.de ANIM_TWALK_RIGHT, 1
 
   ; anim entry struct 
 .se 0
 .de anim_flags, 1
 .de anim_type, 1
+.de anim_p0, 1
+.de anim_p1, 1
+.de anim_p2, 1
+.de anim_p3, 1 
+.de anim_size, 0
diff --git a/src/wram.s b/src/wram.s
index 2264b6a..9c76d17 100644
--- a/src/wram.s
+++ b/src/wram.s
@@ -97,12 +97,7 @@ anim_step_x: .adv 1
 anim_target_y: .adv 1
 anim_target_x: .adv 1
 
-  ; animation flags
-  ; ANIM_READY is set if the animation can play
-curr_anim_flags: .adv 1
-  ; animation table index 
-curr_anim_type: .adv 2
-
+curr_anim: .adv anim_size
 
   ; collision tile tmp values  
 ct_poy: .adv 1