From 5930edd934ad89a46d6863d74710db86a16c3bd1 Mon Sep 17 00:00:00 2001
From: robojumper <robojumper@gmail.com>
Date: Thu, 20 Jun 2024 23:43:07 +0200
Subject: [PATCH] m3d::calcRatio_c

---
 config/SOUE01/symbols.txt  |  2 +-
 configure.py               |  2 +-
 src/m/m3d/m_calc_ratio.cpp | 22 ++++++++++------------
 tools/rel_sieve.py         |  3 ---
 4 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/config/SOUE01/symbols.txt b/config/SOUE01/symbols.txt
index 753fc8be..2d0355dc 100644
--- a/config/SOUE01/symbols.txt
+++ b/config/SOUE01/symbols.txt
@@ -35698,7 +35698,7 @@ __vt__Q23m3d6banm_c = .data:0x80542610; // type:object size:0x18
 lbl_80542628 = .data:0x80542628; // type:object size:0x30
 lbl_80542658 = .data:0x80542658; // type:object size:0x10
 __vt__Q23m3d6bmdl_c = .data:0x80542668; // type:object size:0x30
-__vt__Q23m3d11calcRatio_c = .data:0x80542698; // type:object size:0x10
+__vt__Q23m3d11calcRatio_c = .data:0x80542698; // type:object size:0xC
 __vt__Q23m3d6fanm_c = .data:0x805426A8; // type:object size:0x18
 __vt__Q23m3d5mdl_c = .data:0x805426C0; // type:object size:0x2C
 __vt__Q33m3d5mdl_c13mdlCallback_c = .data:0x805426F0; // type:object size:0x18
diff --git a/configure.py b/configure.py
index 46788b9c..c5164fc1 100644
--- a/configure.py
+++ b/configure.py
@@ -339,7 +339,7 @@ def nw4rLib(lib_name, objects, extra_cflags=[]):
             Object(Matching, "m/m3d/m_anmvis.cpp"),
             Object(Matching, "m/m3d/m_banm.cpp"),
             Object(NonMatching, "m/m3d/m_bmdl.cpp"),
-            Object(NonMatching, "m/m3d/m_calc_ratio.cpp"),
+            Object(Matching, "m/m3d/m_calc_ratio.cpp"),
             Object(NonMatching, "m/m3d/m_fanm.cpp"),
             Object(NonMatching, "m/m3d/m_mdl.cpp"),
             Object(NonMatching, "m/m3d/m_scnLeaf.cpp"),
diff --git a/src/m/m3d/m_calc_ratio.cpp b/src/m/m3d/m_calc_ratio.cpp
index 351e3444..f4ae81f6 100644
--- a/src/m/m3d/m_calc_ratio.cpp
+++ b/src/m/m3d/m_calc_ratio.cpp
@@ -1,4 +1,5 @@
 #include <m/m3d/m_calc_ratio.h>
+#include <nw4r/math/math_arithmetic.h>
 
 namespace m3d {
 
@@ -45,26 +46,23 @@ void calcRatio_c::set(f32 value) {
 }
 
 void calcRatio_c::calc() {
-    f32 max = 1.0f;
-    f32 start = mf1;
-    if (start == 0.0f) {
+    if (mf1 == 0.0f) {
         return;
     }
 
     mf2 += mf3;
     if (mf2 >= 1.0f) {
         reset();
-        return;
     } else {
         mb2 = 1;
-        mf1 = start - start * mf2 * mf2;
-        max = 1.0f - mf1;
-        // TODO here be ASM
-        f32 f4 = mf1 / start + max;
-        f32 f1 = __fres(f4);
-        f4 = -(f4 * f1 * f1 - (f1 + f1));
-        mf4 = (mf1 / start) * f4;
-        mf5 = max * f4;
+        f32 start = mf1;
+        f32 tmp = start - start * mf2 * mf2;
+        mf1 = tmp;
+        f32 max = 1.0f - mf1;
+        tmp = mf1 / start;
+        f32 inv = nw4r::math::FInv(tmp + max);
+        mf4 = tmp * inv;
+        mf5 = max * inv;
     }
 }
 
diff --git a/tools/rel_sieve.py b/tools/rel_sieve.py
index e8b160bd..dcb0e425 100644
--- a/tools/rel_sieve.py
+++ b/tools/rel_sieve.py
@@ -32,14 +32,11 @@
     ['fn_80353FF0', 'UnkCollider::init'],
     ['fn_800C3EC0', 'ActorEventFlowManagerRelated::checkEventFinished'],
     ['fn_802E6000', 'mdlAnmChr_c::create'],
-    ['fn_802EB6F0', 'm3d::mdl_c::mdl_c'],
-    ['fn_802EDF30', 'm3d::smdl_c::smdl_c'],
     ['fn_800275C0', 'EffectsStruct::ctor'],
     ['fn_80027610', 'EffectsStruct::ctor'],
     ['fn_803465D0', 'ActorCollision::ctor'],
     ['fn_80341A70', 'checkCollision'],
     ['fn_80016C10', 'AnimModelWrapper::ctor'],
-    ['fn_802EBBD0', 'm3d::scnLeaf_c::scnLeaf_c'],
     ['fn_8009C910', 'ActorEventRelated::ctor'],
     ['fn_802E32B0', 'm2d::FrameCtrl_c::setFrame'],
     ['fn_802F04A0', 'mFader_c::draw'],