From 830f07d554f840b6d8921c6c5a273a03987a46fb Mon Sep 17 00:00:00 2001
From: Tal Hayon <talhayon1@gmail.com>
Date: Sun, 13 Mar 2022 01:17:02 +0200
Subject: [PATCH] Decompile object15

---
 asm/object/object15.s        | 98 ------------------------------------
 data/const/object/object15.s |  9 ----
 linker.ld                    |  4 +-
 src/object/object15.c        | 48 ++++++++++++++++++
 4 files changed, 50 insertions(+), 109 deletions(-)
 delete mode 100644 asm/object/object15.s
 delete mode 100644 data/const/object/object15.s
 create mode 100644 src/object/object15.c

diff --git a/asm/object/object15.s b/asm/object/object15.s
deleted file mode 100644
index 7f9ddd41..00000000
--- a/asm/object/object15.s
+++ /dev/null
@@ -1,98 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start Object15
-Object15: @ 0x0808601C
-	push {lr}
-	ldr r2, _08086030 @ =gUnk_08120648
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_08086030: .4byte gUnk_08120648
-
-	thumb_func_start sub_08086034
-sub_08086034: @ 0x08086034
-	push {lr}
-	movs r3, #1
-	movs r1, #1
-	strb r1, [r0, #0xc]
-	ldrb r2, [r0, #0x18]
-	subs r1, #5
-	ands r1, r2
-	orrs r1, r3
-	strb r1, [r0, #0x18]
-	adds r1, r0, #0
-	adds r1, #0x58
-	ldrb r1, [r1]
-	bl InitializeAnimation
-	pop {pc}
-	.align 2, 0
-
-	thumb_func_start sub_08086054
-sub_08086054: @ 0x08086054
-	push {r4, lr}
-	adds r4, r0, #0
-	ldrb r0, [r4, #0xa]
-	cmp r0, #0
-	bne _08086064
-	adds r0, r4, #0
-	bl GetNextFrame
-_08086064:
-	ldrb r0, [r4, #0xb]
-	cmp r0, #0
-	beq _0808607C
-	ldrb r2, [r4, #0x18]
-	lsls r1, r2, #0x1e
-	lsrs r1, r1, #0x1e
-	movs r0, #1
-	eors r1, r0
-	subs r0, #5
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r4, #0x18]
-_0808607C:
-	ldrb r0, [r4, #0xe]
-	lsls r1, r0, #0x18
-	cmp r1, #0
-	blt _080860AA
-	cmp r1, #0
-	beq _08086098
-	subs r0, #1
-	strb r0, [r4, #0xe]
-	lsls r0, r0, #0x18
-	cmp r0, #0
-	bne _080860AA
-	bl DeleteThisEntity
-	b _080860AA
-_08086098:
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _080860AA
-	bl DeleteThisEntity
-_080860AA:
-	ldr r1, [r4, #0x54]
-	cmp r1, #0
-	beq _080860BC
-	ldr r0, [r1, #0x2c]
-	str r0, [r4, #0x2c]
-	ldr r0, [r1, #0x30]
-	str r0, [r4, #0x30]
-	ldr r0, [r1, #0x34]
-	str r0, [r4, #0x34]
-_080860BC:
-	pop {r4, pc}
-	.align 2, 0
diff --git a/data/const/object/object15.s b/data/const/object/object15.s
deleted file mode 100644
index 1b2ec904..00000000
--- a/data/const/object/object15.s
+++ /dev/null
@@ -1,9 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-    .align 2
-
-gUnk_08120648:: @ 08120648
-	.4byte sub_08086034
-	.4byte sub_08086054
diff --git a/linker.ld b/linker.ld
index eeb7506b..f09a1690 100644
--- a/linker.ld
+++ b/linker.ld
@@ -641,7 +641,7 @@ SECTIONS {
         src/object/object12.o(.text);
         src/object/railtrack.o(.text);
         src/object/lilypadLarge.o(.text);
-        asm/object/object15.o(.text);
+        src/object/object15.o(.text);
         src/object/floatingPlatform.o(.text);
         asm/object/object17.o(.text);
         asm/object/evilSpirit.o(.text);
@@ -1360,7 +1360,7 @@ SECTIONS {
         data/const/object/railtrack.o(.rodata);
         data/animations/object/railtrack.o(.rodata);
         data/const/object/lilypadLarge.o(.rodata);
-        data/const/object/object15.o(.rodata);
+        src/object/object15.o(.rodata);
         src/object/floatingPlatform.o(.rodata);
         data/const/object/object17.o(.rodata);
         data/const/object/evilSpirit.o(.rodata);
diff --git a/src/object/object15.c b/src/object/object15.c
new file mode 100644
index 00000000..25bfe1f5
--- /dev/null
+++ b/src/object/object15.c
@@ -0,0 +1,48 @@
+#define NENT_DEPRECATED
+#include "entity.h"
+
+void Object15_Init(Entity*);
+void Object15_Action1(Entity*);
+
+void Object15(Entity* this) {
+    static void (*const actionFuncs[])(Entity*) = {
+        Object15_Init,
+        Object15_Action1,
+    };
+
+    actionFuncs[this->action](this);
+}
+
+void Object15_Init(Entity* this) {
+    this->action = 1;
+    this->spriteSettings.draw = 1;
+    InitializeAnimation(this, this->animIndex);
+}
+
+void Object15_Action1(Entity* this) {
+    if (this->type == 0) {
+        GetNextFrame(this);
+    }
+
+    if (this->type2 != 0) {
+        this->spriteSettings.draw ^= 1;
+    }
+
+    if ((int)(this->actionDelay * 0x1000000) >= 0) {
+        if (this->actionDelay) {
+            if (--this->actionDelay == 0) {
+                DeleteThisEntity();
+            }
+        } else {
+            if ((this->frame & 0x80) != 0) {
+                DeleteThisEntity();
+            }
+        }
+    }
+
+    if (this->child != NULL) {
+        this->x = this->child->x;
+        this->y = this->child->y;
+        this->z = this->child->z;
+    }
+}