From 4c4188671b199002558d595f63368efbb637a264 Mon Sep 17 00:00:00 2001
From: Tal Hayon <talhayon1@gmail.com>
Date: Tue, 19 Jul 2022 05:10:00 +0300
Subject: [PATCH] Match sub_08027C9C

---
 asm/enemy/chuchuBoss.s | 63 ------------------------------------------
 src/enemy/chuchuBoss.c | 15 ++++++++++
 2 files changed, 15 insertions(+), 63 deletions(-)

diff --git a/asm/enemy/chuchuBoss.s b/asm/enemy/chuchuBoss.s
index b1f371d4..8ec28073 100644
--- a/asm/enemy/chuchuBoss.s
+++ b/asm/enemy/chuchuBoss.s
@@ -18,69 +18,6 @@
 
 
 
-	thumb_func_start sub_08027C9C
-sub_08027C9C: @ 0x08027C9C
-	push {r4, r5, lr}
-	adds r5, r0, #0
-	adds r4, r1, #0
-	bl Random
-	ands r0, r4
-	cmp r0, #0
-	bne _08027D1E
-	adds r0, r5, #0
-	movs r1, #0x48
-	movs r2, #0
-	bl CreateFx
-	adds r4, r0, #0
-	cmp r4, #0
-	beq _08027D1E
-	adds r0, r5, #0
-	adds r0, #0x62
-	ldrb r0, [r0]
-	lsls r0, r0, #0x18
-	asrs r0, r0, #0x18
-	ldr r1, [r5, #0x48]
-	ldrb r1, [r1, #6]
-	subs r0, r0, r1
-	ldrh r1, [r4, #0x2e]
-	adds r0, r0, r1
-	strh r0, [r4, #0x2e]
-	bl Random
-	ldr r1, [r5, #0x48]
-	ldrb r1, [r1, #6]
-	lsls r1, r1, #1
-	bl __modsi3
-	ldrh r1, [r4, #0x2e]
-	adds r1, r1, r0
-	strh r1, [r4, #0x2e]
-	adds r0, r5, #0
-	adds r0, #0x63
-	ldrb r0, [r0]
-	lsls r0, r0, #0x18
-	asrs r0, r0, #0x18
-	ldr r1, [r5, #0x48]
-	ldrb r1, [r1, #7]
-	subs r0, r0, r1
-	ldrh r1, [r4, #0x32]
-	adds r0, r0, r1
-	strh r0, [r4, #0x32]
-	bl Random
-	ldr r1, [r5, #0x48]
-	ldrb r1, [r1, #7]
-	lsls r1, r1, #1
-	bl __modsi3
-	ldrh r1, [r4, #0x32]
-	adds r1, r1, r0
-	strh r1, [r4, #0x32]
-	adds r2, r4, #0
-	adds r2, #0x29
-	ldrb r1, [r2]
-	movs r0, #8
-	rsbs r0, r0, #0
-	ands r0, r1
-	strb r0, [r2]
-_08027D1E:
-	pop {r4, r5, pc}
 
 	thumb_func_start sub_08027D20
 sub_08027D20: @ 0x08027D20
diff --git a/src/enemy/chuchuBoss.c b/src/enemy/chuchuBoss.c
index 1fef8093..769fe86e 100644
--- a/src/enemy/chuchuBoss.c
+++ b/src/enemy/chuchuBoss.c
@@ -1806,3 +1806,18 @@ void sub_08027C7C(ChuchuBossEntity* this, u32 param_2) {
     sub_08027C9C(this->unk_68, param_2);
     sub_08027C9C(super->parent, param_2);
 }
+
+void sub_08027C9C(ChuchuBossEntity* this, u32 param_2) {
+    Entity* fxEnt;
+
+    if ((Random() & param_2) == 0) {
+        fxEnt = CreateFx(super, FX_GIANT_EXPLOSION3, 0);
+        if (fxEnt != NULL) {
+            fxEnt->x.HALF.HI = ((s8)super->spriteOffsetX - super->hitbox->width) + fxEnt->x.HALF.HI;
+            fxEnt->x.HALF.HI += ((s32)Random()) % (super->hitbox->width << 1);
+            fxEnt->y.HALF.HI += ((short)super->spriteOffsetY - super->hitbox->height);
+            fxEnt->y.HALF.HI += ((s32)Random()) % (super->hitbox->height << 1);
+            fxEnt->spritePriority.b0 = 0;
+        }
+    }
+}