Add Sprite_CountActiveById, limit keese in twinrova fight

2025-01-19 13:16:52 -05:00
parent c7db1c1776
commit f8a264d1df
2 changed files with 92 additions and 102 deletions
--- a/Core/sprite_functions.asm
+++ b/Core/sprite_functions.asm
@@ -317,7 +317,23 @@ Sprite_CheckForPresence:
  .done
  PLX
  RTL
+}

+; $00 - ID of the sprite to check
+; $02 - Number of sprites found
+Sprite_CountActiveById:
+{
+  STZ $02
+  LDX.b #$10
+  .x_loop
+    DEX
+    LDA $0E20, X : CMP.b $00 : BEQ .increment
+      BRA .continue
+    .increment
+    INC $02
+    .continue
+    CPX.b #$00 : BNE .x_loop
+  RTL
 }

 ; =========================================================