From 7fe26ca89ee18d034c528c319f6c37f75752e9de Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Fri, 29 Jan 2021 17:07:13 +1000
Subject: [PATCH] Decompile guScaleF

---
 src/game/game_11f000.c      |  4 ++--
 src/include/lib/lib_50090.h |  1 -
 src/lib/lib_50090.c         | 35 ++++++++++-------------------------
 3 files changed, 12 insertions(+), 28 deletions(-)

diff --git a/src/game/game_11f000.c b/src/game/game_11f000.c
index 3f3d2a90d..8ca1dedd2 100644
--- a/src/game/game_11f000.c
+++ b/src/game/game_11f000.c
@@ -2150,7 +2150,7 @@ glabel var7f1b50c8
 /*  f120e2c:	44050000 */ 	mfc1	$a1,$f0
 /*  f120e30:	44060000 */ 	mfc1	$a2,$f0
 /*  f120e34:	44070000 */ 	mfc1	$a3,$f0
-/*  f120e38:	0c014024 */ 	jal	func00050090
+/*  f120e38:	0c014024 */ 	jal	guScaleF
 /*  f120e3c:	00000000 */ 	nop
 /*  f120e40:	3c05800a */ 	lui	$a1,%hi(var800a33a8)
 /*  f120e44:	24a533a8 */ 	addiu	$a1,$a1,%lo(var800a33a8)
@@ -3590,7 +3590,7 @@ glabel var7f1b50c8
 /*  f122468:	44053000 */ 	mfc1	$a1,$f6
 /*  f12246c:	44063000 */ 	mfc1	$a2,$f6
 /*  f122470:	44073000 */ 	mfc1	$a3,$f6
-/*  f122474:	0c014024 */ 	jal	func00050090
+/*  f122474:	0c014024 */ 	jal	guScaleF
 /*  f122478:	00000000 */ 	nop
 /*  f12247c:	3c05800a */ 	lui	$a1,%hi(var800a33a8)
 /*  f122480:	24a533a8 */ 	addiu	$a1,$a1,%lo(var800a33a8)
diff --git a/src/include/lib/lib_50090.h b/src/include/lib/lib_50090.h
index 964b54b66..b90947a97 100644
--- a/src/include/lib/lib_50090.h
+++ b/src/include/lib/lib_50090.h
@@ -3,7 +3,6 @@
 #include <ultra64.h>
 #include "types.h"
 
-u32 func00050090(void);
 void func000500e4(u32 *ptr, f32 arg1, f32 arg2, f32 arg3);
 
 #endif
diff --git a/src/lib/lib_50090.c b/src/lib/lib_50090.c
index 60c667604..9c2e8aa0d 100644
--- a/src/lib/lib_50090.c
+++ b/src/lib/lib_50090.c
@@ -12,30 +12,15 @@
 #include "lib/lib_50090.h"
 #include "types.h"
 
-GLOBAL_ASM(
-glabel func00050090
-/*    50090:	27bdffe8 */ 	addiu	$sp,$sp,-24
-/*    50094:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*    50098:	afa5001c */ 	sw	$a1,0x1c($sp)
-/*    5009c:	afa60020 */ 	sw	$a2,0x20($sp)
-/*    500a0:	afa70024 */ 	sw	$a3,0x24($sp)
-/*    500a4:	0c012918 */ 	jal	guMtxIdentF
-/*    500a8:	afa40018 */ 	sw	$a0,0x18($sp)
-/*    500ac:	8fa40018 */ 	lw	$a0,0x18($sp)
-/*    500b0:	c7a4001c */ 	lwc1	$f4,0x1c($sp)
-/*    500b4:	3c013f80 */ 	lui	$at,0x3f80
-/*    500b8:	44815000 */ 	mtc1	$at,$f10
-/*    500bc:	e4840000 */ 	swc1	$f4,0x0($a0)
-/*    500c0:	c7a60020 */ 	lwc1	$f6,0x20($sp)
-/*    500c4:	e4860014 */ 	swc1	$f6,0x14($a0)
-/*    500c8:	c7a80024 */ 	lwc1	$f8,0x24($sp)
-/*    500cc:	e48a003c */ 	swc1	$f10,0x3c($a0)
-/*    500d0:	e4880028 */ 	swc1	$f8,0x28($a0)
-/*    500d4:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*    500d8:	27bd0018 */ 	addiu	$sp,$sp,0x18
-/*    500dc:	03e00008 */ 	jr	$ra
-/*    500e0:	00000000 */ 	nop
-);
+void guScaleF(float mf[4][4], float x, float y, float z)
+{
+	guMtxIdentF(mf);
+
+	mf[0][0] = x;
+	mf[1][1] = y;
+	mf[2][2] = z;
+	mf[3][3] = 1;
+}
 
 GLOBAL_ASM(
 glabel func000500e4
@@ -48,7 +33,7 @@ glabel func000500e4
 /*    500fc:	44056000 */ 	mfc1	$a1,$f12
 /*    50100:	44067000 */ 	mfc1	$a2,$f14
 /*    50104:	44078000 */ 	mfc1	$a3,$f16
-/*    50108:	0c014024 */ 	jal	func00050090
+/*    50108:	0c014024 */ 	jal	guScaleF
 /*    5010c:	27a40018 */ 	addiu	$a0,$sp,0x18
 /*    50110:	27a40018 */ 	addiu	$a0,$sp,0x18
 /*    50114:	0c0128d8 */ 	jal	guMtxF2L