From: Lukas Krickl <lukas@krickl.dev>
Date: Mon, 12 May 2025 14:37:38 +0000 (+0200)
Subject: actors: Added states to actor templates
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=8961b3731728d5016b0cdd2383587fd4d8563e46;p=gbrg%2F.git

actors: Added states to actor templates
---

diff --git a/src/defs.s b/src/defs.s
index ee02818..9a7eba9 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -7,6 +7,8 @@
 #define WRAM 0xC000
 #define WRAMLEN 0xFFF
 
+#define NULL 0
+
 #define UNITS_MAX 8
 
 #define STACK_BEGIN 0xDFFF
@@ -93,6 +95,14 @@
 .de act_pos_x, 1
   ; custom parameter
 .de act_p0, 1
+
+  ; actor states 
+  ; used for state switching
+  ; set to 0000 to disable the state
+.de act_st_attack, 2
+.de act_st_interact, 2
+.de act_st_active, 2
+.de act_st_idle, 2
 .de act_size, 0
   
   ; max bge queue size
diff --git a/src/macros.inc b/src/macros.inc
index d6620fd..632dfee 100644
--- a/src/macros.inc
+++ b/src/macros.inc
@@ -161,6 +161,19 @@
   .db $10 ; p0
 #endmacro
 
+  ; defines actor state callbacks
+  ; inputs:
+  ;   $1: st_attack
+  ;   $2: st_interact
+  ;   $3: st_active
+  ;   $4: st_idle
+#macro act_st_def
+  dw $1
+  dw $2
+  dw $3
+  dw $4
+#endmacro
+
   ; loads NULL into a 16 bit register
   ; inputs:
   ;   $1: register
diff --git a/src/unit.s b/src/unit.s
index 288de36..eaed647 100644
--- a/src/unit.s
+++ b/src/unit.s
@@ -150,6 +150,7 @@ unit_scroll_center:
 unit_demo_1:
   st_def 0x00, unit_demo_1_init, st_unit_demo_1_update
   act_def ACT_T_DEMO_1, 0, 1, 1, 1, 1, 1, 2, 2, 0 
-
+  act_st_def NULL, st_unit_demo_1_update, NULL, NULL
+  
 st_unit_demo_1_update:
   st_def 0x00, unit_demo_1_update, st_unit_demo_1_update