From: Lukas Krickl <lukas@krickl.dev>
Date: Fri, 15 Aug 2025 07:08:23 +0000 (+0200)
Subject: unit: Added stubs for attack state
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=d3cc3b5a40462a1b1b1adcff028691f65efe21fd;p=gbrg%2F.git

unit: Added stubs for attack state
---

diff --git a/src/player.s b/src/player.s
index 92a10b5..cb13334 100644
--- a/src/player.s
+++ b/src/player.s
@@ -264,6 +264,15 @@ map_exit_relative_adjust:
 
   pop_all
   ret
+	
+	; player attack state
+	;	inputs:
+	;		de: actor
+	;	returns:
+	;		bc: next state
+unit_player_attack:
+	ldnull bc
+	ret
 
 #define player_draw unit_draw
 
@@ -272,8 +281,11 @@ unit_player:
   act_def ACT_T_DEMO_1, 0, 2, 2, 0
   act_stat_def1 1, 1, 1, 1
   act_stat_def2 1, 1, 90, 1 
-  act_st_def NULL, NULL, st_unit_player_update, st_unit_idle
+  act_st_def st_unit_player_attack, NULL, st_unit_player_update, st_unit_idle
   act_def_meta player_draw, 0x8C, OAM_FPRIO, NULL
 
 st_unit_player_update:
   st_def 0x00, unit_player_update, st_unit_player_update 
+
+st_unit_player_attack:
+	st_def 0x00, unit_player_attack, st_unit_player_attack
diff --git a/src/unit.s b/src/unit.s
index d3b8f48..3cf0112 100644
--- a/src/unit.s
+++ b/src/unit.s
@@ -658,6 +658,8 @@ unit_scroll_center:
   ; switches a unit to active state
   ; inputs:
   ;   de: unit
+	;	returns:
+	;		bc: new state
 unit_switch_to_active:
   push de
   ld hl, act_rt_sub_tile
@@ -675,6 +677,33 @@ unit_switch_to_active:
   ; bc = next active state
 
   ret
+	
+	; switches a unit to attack state
+	; inputs:
+	;		de: unit
+	;	returns: 
+	;		bc: new state
+unit_switch_to_attack:
+	ld hl, act_st_attack
+	add hl, de
+	ld a, [hl+]
+	ld c, a
+	ld a, [hl+]
+	ld b, a
+	ret
+	
+	; forces the unit to enter attack state
+	;	inputs:
+	;		de: unit		
+unit_switch_to_attack_enter_combat:
+	push de
+	call unit_switch_to_attack
+	push bc ; de = new state
+	pop hl ; unit ptr (st header)
+	ld bc, st_size
+	call memcpy
+
+	ret
 
   ; forces a unit into an active state
   ; inputs:
@@ -694,6 +723,8 @@ unit_wake_up:
   ; sets moves to 0 
   ; inputs:
   ;   de: unit
+	;	returns:
+	;		bc: new state
 unit_switch_to_idle:
   ld hl, act_st_idle
   add hl, de ; hl = st_idle ptr
diff --git a/src/unit_cpu.s b/src/unit_cpu.s
index f743617..88ee052 100644
--- a/src/unit_cpu.s
+++ b/src/unit_cpu.s
@@ -117,3 +117,11 @@ unit_cpu_random_move:
 
   ret
 
+	; attack state for demo units
+	;	inputs:
+	;		de: actor ptr
+	; returns:
+	;		bc: next state
+unit_demo_1_cpu_update_attack:
+	ldnull bc
+	ret
diff --git a/src/unit_demo.s b/src/unit_demo.s
index e203d7e..95c0678 100644
--- a/src/unit_demo.s
+++ b/src/unit_demo.s
@@ -20,7 +20,7 @@ unit_demo_2:
   act_def ACT_T_DEMO_1, 0, 3, 3, 0 
   act_stat_def1 1, 1, 1, 1
   act_stat_def2 1, 1, 32, 1
-  act_st_def NULL, NULL, st_unit_demo_1_cpu_update_idle, st_unit_idle
+  act_st_def st_unit_demo_1_cpu_update_attack, NULL, st_unit_demo_1_cpu_update_idle, st_unit_idle
   act_def_meta unit_draw, 0x88, OAM_FPRIO, NULL
 
 unit_demo_warrior:
@@ -28,7 +28,7 @@ unit_demo_warrior:
   act_def ACT_T_DEMO_1, 0, 9, 9, 0 
   act_stat_def1 1, 1, 1, 1 
   act_stat_def2 1, 1, 32, 1
-  act_st_def NULL, NULL, st_unit_demo_1_cpu_update, st_unit_idle
+  act_st_def st_unit_demo_1_cpu_update_attack, NULL, st_unit_demo_1_cpu_update, st_unit_idle
   act_def_meta unit_draw, 0x88, OAM_FPRIO, NULL
 
 unit_demo_mage:
@@ -36,7 +36,7 @@ unit_demo_mage:
   act_def ACT_T_DEMO_1, 0, 9, 9, 0 
   act_stat_def1 1, 1, 1, 1 
   act_stat_def2 1, 1, 32, 1
-  act_st_def NULL, NULL, st_unit_demo_1_cpu_update, st_unit_idle
+  act_st_def st_unit_demo_1_cpu_update_attack, NULL, st_unit_demo_1_cpu_update, st_unit_idle
   act_def_meta unit_draw, 0x8C, OAM_FPRIO, NULL
 
 unit_demo_thief:
@@ -44,7 +44,7 @@ unit_demo_thief:
   act_def ACT_T_DEMO_1, 0, 9, 9, 0 
   act_stat_def1 1, 1, 1, 1 
   act_stat_def2 1, 1, 32, 1
-  act_st_def NULL, NULL, st_unit_demo_1_cpu_update, st_unit_idle
+  act_st_def st_unit_demo_1_cpu_update_attack, NULL, st_unit_demo_1_cpu_update, st_unit_idle
   act_def_meta unit_draw, 0x90, OAM_FPRIO, NULL
 
 
@@ -53,7 +53,7 @@ unit_demo_priest:
   act_def ACT_T_DEMO_1, 0, 9, 9, 0 
   act_stat_def1 1, 1, 1, 1 
   act_stat_def2 1, 1, 32, 1
-  act_st_def NULL, NULL, st_unit_demo_1_cpu_update, st_unit_idle
+  act_st_def st_unit_demo_1_cpu_update_attack, NULL, st_unit_demo_1_cpu_update, st_unit_idle
   act_def_meta unit_draw, 0x94, OAM_FPRIO, NULL
 
 
@@ -62,3 +62,6 @@ st_unit_demo_1_cpu_update:
 
 st_unit_demo_1_cpu_update_idle:
   st_def 0x00, unit_demo_1_cpu_update_idle, st_unit_demo_1_cpu_update_idle
+
+st_unit_demo_1_cpu_update_attack:
+	st_def 0x00, unit_demo_1_cpu_update_attack, st_unit_demo_1_cpu_update_attack