From 5760eb6085fd5be211ead7c58ebf31eab98167d6 Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Wed, 8 Sep 2021 23:57:59 +1000
Subject: [PATCH] Decompile func0f152fa0

---
 src/game/game_152fa0.c         | 136 +++++----------------------------
 src/include/game/game_152fa0.h |   2 +-
 2 files changed, 21 insertions(+), 117 deletions(-)

diff --git a/src/game/game_152fa0.c b/src/game/game_152fa0.c
index 9ae87c750..9415e4f99 100644
--- a/src/game/game_152fa0.c
+++ b/src/game/game_152fa0.c
@@ -4,123 +4,27 @@
 #include "data.h"
 #include "types.h"
 
-const u32 var7f1b73a0[] = {0x46ffffcd};
-const u32 var7f1b73a4[] = {0xc6ffffcd};
-const u32 var7f1b73a8[] = {0x00000000};
-const u32 var7f1b73ac[] = {0x00000000};
+s32 func0f152fa0(f32 arg0)
+{
+	u32 result;
 
-GLOBAL_ASM(
-glabel func0f152fa0
-/*  f152fa0:	3c017f1b */ 	lui	$at,%hi(var7f1b73a0)
-/*  f152fa4:	c42073a0 */ 	lwc1	$f0,%lo(var7f1b73a0)($at)
-/*  f152fa8:	44802000 */ 	mtc1	$zero,$f4
-/*  f152fac:	3c017f1b */ 	lui	$at,%hi(var7f1b73a4)
-/*  f152fb0:	460c003c */ 	c.lt.s	$f0,$f12
-/*  f152fb4:	00000000 */ 	nop
-/*  f152fb8:	45000002 */ 	bc1f	.L0f152fc4
-/*  f152fbc:	00000000 */ 	nop
-/*  f152fc0:	46000306 */ 	mov.s	$f12,$f0
-.L0f152fc4:
-/*  f152fc4:	c42073a4 */ 	lwc1	$f0,%lo(var7f1b73a4)($at)
-/*  f152fc8:	3c014780 */ 	lui	$at,0x4780
-/*  f152fcc:	4600603c */ 	c.lt.s	$f12,$f0
-/*  f152fd0:	00000000 */ 	nop
-/*  f152fd4:	45020003 */ 	bc1fl	.L0f152fe4
-/*  f152fd8:	4604603c */ 	c.lt.s	$f12,$f4
-/*  f152fdc:	46000306 */ 	mov.s	$f12,$f0
-/*  f152fe0:	4604603c */ 	c.lt.s	$f12,$f4
-.L0f152fe4:
-/*  f152fe4:	00000000 */ 	nop
-/*  f152fe8:	4502002c */ 	bc1fl	.L0f15309c
-/*  f152fec:	44818000 */ 	mtc1	$at,$f16
-/*  f152ff0:	3c01c780 */ 	lui	$at,0xc780
-/*  f152ff4:	44813000 */ 	mtc1	$at,$f6
-/*  f152ff8:	24030001 */ 	addiu	$v1,$zero,0x1
-/*  f152ffc:	3c014f00 */ 	lui	$at,0x4f00
-/*  f153000:	46066202 */ 	mul.s	$f8,$f12,$f6
-/*  f153004:	444ef800 */ 	cfc1	$t6,$31
-/*  f153008:	44c3f800 */ 	ctc1	$v1,$31
-/*  f15300c:	00000000 */ 	nop
-/*  f153010:	460042a4 */ 	cvt.w.s	$f10,$f8
-/*  f153014:	4443f800 */ 	cfc1	$v1,$31
-/*  f153018:	00000000 */ 	nop
-/*  f15301c:	30630078 */ 	andi	$v1,$v1,0x78
-/*  f153020:	50600017 */ 	beqzl	$v1,.L0f153080
-/*  f153024:	44035000 */ 	mfc1	$v1,$f10
-/*  f153028:	44815000 */ 	mtc1	$at,$f10
-/*  f15302c:	24030001 */ 	addiu	$v1,$zero,0x1
-/*  f153030:	460a4281 */ 	sub.s	$f10,$f8,$f10
-/*  f153034:	44c3f800 */ 	ctc1	$v1,$31
-/*  f153038:	00000000 */ 	nop
-/*  f15303c:	460052a4 */ 	cvt.w.s	$f10,$f10
-/*  f153040:	4443f800 */ 	cfc1	$v1,$31
-/*  f153044:	00000000 */ 	nop
-/*  f153048:	30630078 */ 	andi	$v1,$v1,0x78
-/*  f15304c:	54600008 */ 	bnezl	$v1,.L0f153070
-/*  f153050:	2403ffff */ 	addiu	$v1,$zero,-1
-/*  f153054:	44035000 */ 	mfc1	$v1,$f10
-/*  f153058:	3c018000 */ 	lui	$at,0x8000
-/*  f15305c:	44cef800 */ 	ctc1	$t6,$31
-/*  f153060:	00611825 */ 	or	$v1,$v1,$at
-/*  f153064:	03e00008 */ 	jr	$ra
-/*  f153068:	00031023 */ 	negu	$v0,$v1
-/*  f15306c:	2403ffff */ 	addiu	$v1,$zero,-1
-.L0f153070:
-/*  f153070:	44cef800 */ 	ctc1	$t6,$31
-/*  f153074:	03e00008 */ 	jr	$ra
-/*  f153078:	00031023 */ 	negu	$v0,$v1
-/*  f15307c:	44035000 */ 	mfc1	$v1,$f10
-.L0f153080:
-/*  f153080:	00000000 */ 	nop
-/*  f153084:	0462fffa */ 	bltzl	$v1,.L0f153070
-/*  f153088:	2403ffff */ 	addiu	$v1,$zero,-1
-/*  f15308c:	44cef800 */ 	ctc1	$t6,$31
-/*  f153090:	03e00008 */ 	jr	$ra
-/*  f153094:	00031023 */ 	negu	$v0,$v1
-/*  f153098:	44818000 */ 	mtc1	$at,$f16
-.L0f15309c:
-/*  f15309c:	24030001 */ 	addiu	$v1,$zero,0x1
-/*  f1530a0:	3c014f00 */ 	lui	$at,0x4f00
-/*  f1530a4:	460c8482 */ 	mul.s	$f18,$f16,$f12
-/*  f1530a8:	444ff800 */ 	cfc1	$t7,$31
-/*  f1530ac:	44c3f800 */ 	ctc1	$v1,$31
-/*  f1530b0:	00000000 */ 	nop
-/*  f1530b4:	46009124 */ 	cvt.w.s	$f4,$f18
-/*  f1530b8:	4443f800 */ 	cfc1	$v1,$31
-/*  f1530bc:	00000000 */ 	nop
-/*  f1530c0:	30630078 */ 	andi	$v1,$v1,0x78
-/*  f1530c4:	50600013 */ 	beqzl	$v1,.L0f153114
-/*  f1530c8:	44032000 */ 	mfc1	$v1,$f4
-/*  f1530cc:	44812000 */ 	mtc1	$at,$f4
-/*  f1530d0:	24030001 */ 	addiu	$v1,$zero,0x1
-/*  f1530d4:	46049101 */ 	sub.s	$f4,$f18,$f4
-/*  f1530d8:	44c3f800 */ 	ctc1	$v1,$31
-/*  f1530dc:	00000000 */ 	nop
-/*  f1530e0:	46002124 */ 	cvt.w.s	$f4,$f4
-/*  f1530e4:	4443f800 */ 	cfc1	$v1,$31
-/*  f1530e8:	00000000 */ 	nop
-/*  f1530ec:	30630078 */ 	andi	$v1,$v1,0x78
-/*  f1530f0:	14600005 */ 	bnez	$v1,.L0f153108
-/*  f1530f4:	00000000 */ 	nop
-/*  f1530f8:	44032000 */ 	mfc1	$v1,$f4
-/*  f1530fc:	3c018000 */ 	lui	$at,0x8000
-/*  f153100:	10000007 */ 	b	.L0f153120
-/*  f153104:	00611825 */ 	or	$v1,$v1,$at
-.L0f153108:
-/*  f153108:	10000005 */ 	b	.L0f153120
-/*  f15310c:	2403ffff */ 	addiu	$v1,$zero,-1
-/*  f153110:	44032000 */ 	mfc1	$v1,$f4
-.L0f153114:
-/*  f153114:	00000000 */ 	nop
-/*  f153118:	0460fffb */ 	bltz	$v1,.L0f153108
-/*  f15311c:	00000000 */ 	nop
-.L0f153120:
-/*  f153120:	44cff800 */ 	ctc1	$t7,$31
-/*  f153124:	00000000 */ 	nop
-/*  f153128:	00000000 */ 	nop
-/*  f15312c:	03e00008 */ 	jr	$ra
-/*  f153130:	00601025 */ 	or	$v0,$v1,$zero
-);
+	if (arg0 > 32767.9f) {
+		arg0 = 32767.9f;
+	}
+
+	if (arg0 < -32767.9f) {
+		arg0 = -32767.9f;
+	}
+
+	if (arg0 < 0) {
+		result = arg0 * -65536;
+		result = -result;
+	} else {
+		result = 65536 * arg0;
+	}
+
+	return result;
+}
 
 Gfx *func0f153134(Gfx *gdl)
 {
diff --git a/src/include/game/game_152fa0.h b/src/include/game/game_152fa0.h
index 574a2e671..3ab78f71f 100644
--- a/src/include/game/game_152fa0.h
+++ b/src/include/game/game_152fa0.h
@@ -4,7 +4,7 @@
 #include "data.h"
 #include "types.h"
 
-u32 func0f152fa0(void);
+s32 func0f152fa0(f32 arg0);
 Gfx *func0f153134(Gfx *gdl);
 
 #endif