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Match and link CPlane

This commit is contained in:
Phillip Stephens 2022-10-02 19:55:05 -07:00
parent 19c1aa3ae1
commit 302df55a60
6 changed files with 24 additions and 8 deletions
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5
asm/Kyoto/Math/CPlane.s
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@ -2,8 +2,8 @@
.section .text, "ax"
.global ProjectedDeltaDist__RC6CPlaneRC9CVector3fRC9CVector3f
ProjectedDeltaDist__RC6CPlaneRC9CVector3fRC9CVector3f:
.global ClipLineSegment__6CPlaneCFRC9CVector3fRC9CVector3f
ClipLineSegment__6CPlaneCFRC9CVector3fRC9CVector3f:
/* 8033700C 00333F6C 94 21 FF E0 */ stwu r1, -0x20(r1)
/* 80337010 00333F70 C0 64 00 04 */ lfs f3, 4(r4)
/* 80337014 00333F74 C0 43 00 04 */ lfs f2, 4(r3)
@ -117,4 +117,3 @@ lbl_805AE8A0:
lbl_805AE8A4:
# ROM: 0x3FB144
.float 1.0

3
asm/MetaRender/CCubeRenderer.s
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@ -6465,7 +6465,7 @@ lbl_802BB7DC:
/* 802BB7E4 002B8744 7F A4 EB 78 */ mr r4, r29
/* 802BB7E8 002B8748 7E 55 02 14 */ add r18, r21, r0
/* 802BB7EC 002B874C 7E 45 93 78 */ mr r5, r18
/* 802BB7F0 002B8750 48 07 B8 1D */ bl ProjectedDeltaDist__RC6CPlaneRC9CVector3fRC9CVector3f
/* 802BB7F0 002B8750 48 07 B8 1D */ bl ClipLineSegment__6CPlaneCFRC9CVector3fRC9CVector3f
/* 802BB7F4 002B8754 C0 02 C2 74 */ lfs f0, lbl_805ADF94@sda21(r2)
/* 802BB7F8 002B8758 FC 01 00 40 */ fcmpo cr0, f1, f0
/* 802BB7FC 002B875C 40 81 00 6C */ ble lbl_802BB868
@ -13056,4 +13056,3 @@ lbl_803D685C:
.byte 0x54
.asciz "XTR_ThermoPalette"
.balign 4

3
include/Kyoto/Math/CPlane.hpp
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@ -3,6 +3,7 @@
#include "types.h"
#include "Kyoto/Math/CUnitVector3f.hpp"
#include "Kyoto/Math/CVector3f.hpp"
class CPlane {
@ -16,7 +17,7 @@ public:
f32 GetConstant() const { return xc_constant; }
// GetHeight__6CPlaneCFRC9CVector3f
// IsFacing__6CPlaneCFRC9CVector3f
// ClipLineSegment__6CPlaneCFRC9CVector3fRC9CVector3f
float ClipLineSegment(const CVector3f& start, const CVector3f& end) const;
private:
CUnitVector3f x0_normal;

7
include/Kyoto/Math/CVector3f.hpp
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@ -41,7 +41,12 @@ public:
bool IsEqu(const CVector3f& other, f32 epsilon = FLT_EPSILON) const;
// Lerp__9CVector3fFRC9CVector3fRC9CVector3ff
// MagSquared__9CVector3fCFv weak
// Cross__9CVector3fFRC9CVector3fRC9CVector3f weak
static CVector3f Cross(const CVector3f& lhs, const CVector3f& rhs) {
const float x = (lhs.GetY() * rhs.GetZ()) - (rhs.GetY() * lhs.GetZ());
const float y = (lhs.GetZ() * rhs.GetX()) - (rhs.GetZ() * lhs.GetX());
const float z = (lhs.GetX() * rhs.GetY()) - (rhs.GetX() * lhs.GetY());
return CVector3f(x, y, z);
}
f32& operator[](EDimX dim) { return mX; }
f32& operator[](EDimY dim) { return mY; }

2
obj_files.mk
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@ -542,7 +542,7 @@ KYOTO_1 :=\
$(BUILD_DIR)/asm/Kyoto/Particles/CUVElement.o\
$(BUILD_DIR)/asm/Kyoto/Particles/CVectorElement.o\
$(BUILD_DIR)/src/Kyoto/Particles/CWarp.o\
$(BUILD_DIR)/asm/Kyoto/Math/CPlane.o\
$(BUILD_DIR)/src/Kyoto/Math/CPlane.o\
$(BUILD_DIR)/asm/Kyoto/Math/CSphere.o\
$(BUILD_DIR)/asm/Kyoto/Math/CAABox.o\
$(BUILD_DIR)/asm/Kyoto/CFactoryMgr.o\

12
src/Kyoto/Math/CPlane.cpp Normal file
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@ -0,0 +1,12 @@
#include "Kyoto/Math/CPlane.hpp"
#include "Kyoto/Math/CMath.hpp"
CPlane::CPlane(const CVector3f& a, const CVector3f& b, const CVector3f& c)
: x0_normal(CVector3f::Cross(b - a, c - a))
, xc_constant(CVector3f::Dot(x0_normal, a)) {
}
float CPlane::ClipLineSegment(const CVector3f& start, const CVector3f& end) const {
float dist = -(CVector3f::Dot(start, GetNormal()) - GetConstant()) / CVector3f::Dot(end - start, GetNormal());
return dist <= 0.f ? 0.f : (dist >= 1.f ? 1.f : dist);
}