From: Lukas Krickl <lukas@krickl.dev>
Date: Thu, 6 Feb 2025 15:56:53 +0000 (+0100)
Subject: state: adding states for bat enemy
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=627afa01ed7d4993ec5ffbd7a2f8da2cde43faf8;p=gbrg%2F.git

state: adding states for bat enemy
---

diff --git a/src/state.s b/src/state.s
index e176932..b0f0a30 100644
--- a/src/state.s
+++ b/src/state.s
@@ -110,6 +110,32 @@ sm_player_poll_inputs:
 
   ret
 
+  ; picks a direction for 
+  ; a bat to move in
+  ; then transitions to move state
+  ; after verifying collision
+  ; otherwise -> end turn
+sm_bat_pick_direction:
+  ; move bat in random direction
+  call rand
+  and a, 0b11 ; rnadom direction 0-3
+  
+  ; call correct movement setup
+  cp a, NORTH
+  call z, actor_up
+  cp a, SOUTH
+  call z, actor_down
+  cp a, WEST
+  call z, actor_left
+  cp a, EAST
+  call z, actor_right
+
+  ; verify collision
+  
+  ; transition
+
+  ret
+
   ; loads initial state if 
   ; state is 0
   ; inputs:
@@ -132,3 +158,4 @@ sm_load_initial_state:
 @done:
   pop de
   ret
+