From 8986c417cf1f59fd165414153df6b9f4012a7685 Mon Sep 17 00:00:00 2001
From: Tal Hayon <talhayon1@gmail.com>
Date: Sun, 13 Mar 2022 09:52:51 +0200
Subject: [PATCH] Decompile object45

---
 asm/object/object45.s        | 89 ------------------------------------
 data/const/object/object45.s |  9 ----
 linker.ld                    |  4 +-
 src/object/object45.c        | 44 ++++++++++++++++++
 4 files changed, 46 insertions(+), 100 deletions(-)
 delete mode 100644 asm/object/object45.s
 delete mode 100644 data/const/object/object45.s
 create mode 100644 src/object/object45.c

diff --git a/asm/object/object45.s b/asm/object/object45.s
deleted file mode 100644
index 4b1d866a..00000000
--- a/asm/object/object45.s
+++ /dev/null
@@ -1,89 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start Object45
-Object45: @ 0x0808E414
-	push {lr}
-	ldr r2, _0808E428 @ =gUnk_08121BD8
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_0808E428: .4byte gUnk_08121BD8
-
-	thumb_func_start sub_0808E42C
-sub_0808E42C: @ 0x0808E42C
-	push {lr}
-	movs r1, #1
-	strb r1, [r0, #0xc]
-	ldrb r2, [r0, #0x11]
-	subs r1, #0x11
-	ands r1, r2
-	movs r2, #6
-	orrs r1, r2
-	strb r1, [r0, #0x11]
-	ldrb r1, [r0, #0xa]
-	bl InitializeAnimation
-	pop {pc}
-	.align 2, 0
-
-	thumb_func_start sub_0808E448
-sub_0808E448: @ 0x0808E448
-	push {r4, lr}
-	adds r4, r0, #0
-	movs r0, #0x10
-	bl IsItemEquipped
-	cmp r0, #1
-	bls _0808E45A
-	bl DeleteThisEntity
-_0808E45A:
-	adds r0, r4, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r0, [r0]
-	cmp r0, #1
-	beq _0808E472
-	cmp r0, #0x80
-	bne _0808E486
-	bl DeleteThisEntity
-_0808E472:
-	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]
-	b _0808E494
-_0808E486:
-	ldrb r0, [r4, #0x18]
-	movs r1, #4
-	rsbs r1, r1, #0
-	ands r1, r0
-	movs r0, #1
-	orrs r1, r0
-	strb r1, [r4, #0x18]
-_0808E494:
-	ldrb r0, [r4, #0xa]
-	cmp r0, #0
-	bne _0808E4A2
-	ldr r0, [r4, #0x34]
-	ldr r1, _0808E4A4 @ =0xFFFF8000
-	adds r0, r0, r1
-	str r0, [r4, #0x34]
-_0808E4A2:
-	pop {r4, pc}
-	.align 2, 0
-_0808E4A4: .4byte 0xFFFF8000
diff --git a/data/const/object/object45.s b/data/const/object/object45.s
deleted file mode 100644
index 3d3acfcb..00000000
--- a/data/const/object/object45.s
+++ /dev/null
@@ -1,9 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-    .align 2
-
-gUnk_08121BD8:: @ 08121BD8
-	.4byte sub_0808E42C
-	.4byte sub_0808E448
diff --git a/linker.ld b/linker.ld
index 8fb6600e..9fc7b40d 100644
--- a/linker.ld
+++ b/linker.ld
@@ -692,7 +692,7 @@ SECTIONS {
         src/object/object42.o(.text);
         src/object/object43.o(.text);
         src/object/object44.o(.text);
-        asm/object/object45.o(.text);
+        src/object/object45.o(.text);
         src/object/giantBookLadder.o(.text);
         src/object/heartContainer.o(.text);
         src/object/fileScreenObjects.o(.text);
@@ -1425,7 +1425,7 @@ SECTIONS {
         data/animations/object/object43.o(.rodata);
         src/object/object44.o(.rodata);
         data/animations/object/object44.o(.rodata);
-        data/const/object/object45.o(.rodata);
+        src/object/object45.o(.rodata);
         data/animations/object/object45.o(.rodata);
         src/object/giantBookLadder.o(.rodata);
         src/object/heartContainer.o(.rodata);
diff --git a/src/object/object45.c b/src/object/object45.c
new file mode 100644
index 00000000..1de0e0f1
--- /dev/null
+++ b/src/object/object45.c
@@ -0,0 +1,44 @@
+#define NENT_DEPRECATED
+#include "entity.h"
+#include "player.h"
+#include "item.h"
+
+void sub_0808E42C(Entity*);
+void sub_0808E448(Entity*);
+
+void Object45(Entity* this) {
+    static void (*const actionFuncs[])(Entity*) = {
+        sub_0808E42C,
+        sub_0808E448,
+    };
+
+    actionFuncs[this->action]((Entity*)this);
+}
+
+void sub_0808E42C(Entity* this) {
+    this->action = 1;
+    this->updatePriority = 6;
+    InitializeAnimation(this, this->type);
+}
+
+void sub_0808E448(Entity* this) {
+    if (1 < IsItemEquipped(ITEM_LANTERN_ON)) {
+        DeleteThisEntity();
+    }
+    GetNextFrame(this);
+
+    switch (this->frame) {
+        case 0x80:
+            DeleteThisEntity();
+        case 1:
+            this->spriteSettings.draw ^= 1;
+            break;
+        default:
+            this->spriteSettings.draw = 1;
+            break;
+    }
+
+    if (this->type == 0) {
+        this->z.WORD -= 0x8000;
+    }
+}