From: Lukas Krickl <lukas@krickl.dev>
Date: Tue, 6 May 2025 18:22:17 +0000 (+0200)
Subject: unit: Added unit demo code
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=735f83d366a71eaa7fea737f61f19a5045274e25;p=gbrg%2F.git

unit: Added unit demo code

This code simply sets up a unit update state for testing purposes
---

diff --git a/src/defs.s b/src/defs.s
index db8778b..e7fccab 100644
--- a/src/defs.s
+++ b/src/defs.s
@@ -69,6 +69,7 @@
 .se 0
 .de ACT_T_NULL, 1
 .de ACT_T_CURSOR, 1
+.de ACT_T_DEMO_1, 1
 
   ; actor struct 
   ; actor structs are basically just states
diff --git a/src/map.s b/src/map.s
index eefe0c7..6a93d03 100644
--- a/src/map.s
+++ b/src/map.s
@@ -6,9 +6,6 @@ map_init:
 
   call cells_draw_all
 
-  ; TOOD: remove demo unit load
-  call map_load_demo_actors
-
   ret
   
   ; loads a tile map into cells 
@@ -89,6 +86,11 @@ cells_draw_all:
 
   ; sets up some actors for debug purposes 
 map_load_demo_actors:
+  ; load a single demo actor into p0 units
+  ld de, unit_demo_1
+  ld hl, p0_units
+  ld bc, act_size
+  call memcpy
   ret
 
 #include "default_map.s"
diff --git a/src/unit.s b/src/unit.s
index 0662dd9..82bf1dd 100644
--- a/src/unit.s
+++ b/src/unit.s
@@ -26,7 +26,8 @@ units_update:
       push hl
       pop de ; need hl in de for parameter
       call st_update
-
+      
+      pop hl
 @skip:
     ; next actor
     ld de, act_size
@@ -39,7 +40,10 @@ units_update:
 
   ret
 
+unit_demo_1_update:
+  ldnull bc
+  ret
 
 unit_demo_1:
-  st_def 0xFF, st_null_fn, st_null
-  act_def ACT_T_NULL, 1, 1, 1, 1, 1, 0 
+  st_def 0x00, unit_demo_1_update, unit_demo_1 
+  act_def ACT_T_DEMO_1, 1, 1, 1, 1, 1, 0