mirror of
https://github.com/isledecomp/isle-portable.git
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422 lines
12 KiB
C++
422 lines
12 KiB
C++
#ifndef VECTOR_H
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#define VECTOR_H
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#include "compat.h"
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#include <math.h>
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#include <memory.h>
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// Note: Many functions most likely take const references/pointers instead of non-const.
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// The class needs to undergo a very careful refactoring to fix that (no matches should break).
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// VTABLE: LEGO1 0x100d4288
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// SIZE 0x08
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class Vector2 {
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public:
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// FUNCTION: LEGO1 0x1000c0f0
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inline Vector2(float* p_data) { SetData(p_data); }
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// Note: virtual function overloads appear in the virtual table
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// in reverse order of appearance.
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// FUNCTION: LEGO1 0x10001f80
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virtual void AddImpl(float* p_value)
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{
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m_data[0] += p_value[0];
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m_data[1] += p_value[1];
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} // vtable+0x04
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// FUNCTION: LEGO1 0x10001fa0
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virtual void AddImpl(float p_value)
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{
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m_data[0] += p_value;
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m_data[1] += p_value;
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} // vtable+0x00
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// FUNCTION: LEGO1 0x10001fc0
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virtual void SubImpl(float* p_value)
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{
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m_data[0] -= p_value[0];
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m_data[1] -= p_value[1];
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} // vtable+0x08
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// Those are also overloads in all likelihood,
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// but we need a type to do that.
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// FUNCTION: LEGO1 0x10002000
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virtual void MulScalarImpl(float* p_value)
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{
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m_data[0] *= *p_value;
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m_data[1] *= *p_value;
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} // vtable+0x0c
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// FUNCTION: LEGO1 0x10001fe0
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virtual void MulVectorImpl(float* p_value)
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{
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m_data[0] *= p_value[0];
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m_data[1] *= p_value[1];
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} // vtable+0x10
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// FUNCTION: LEGO1 0x10002020
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virtual void DivScalarImpl(float* p_value)
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{
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m_data[0] /= *p_value;
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m_data[1] /= *p_value;
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} // vtable+0x14
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// FUNCTION: LEGO1 0x10002040
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virtual float DotImpl(float* p_a, float* p_b) const { return p_b[0] * p_a[0] + p_b[1] * p_a[1]; } // vtable+0x18
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// FUNCTION: LEGO1 0x10002060
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virtual void SetData(float* p_data) { m_data = p_data; } // vtable+0x1c
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// FUNCTION: LEGO1 0x10002070
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virtual void EqualsImpl(float* p_data) { memcpy(m_data, p_data, sizeof(float) * 2); } // vtable+0x20
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// FUNCTION: LEGO1 0x10002090
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virtual float* GetData() { return m_data; } // vtable+0x28
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// FUNCTION: LEGO1 0x100020a0
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virtual const float* GetData() const { return m_data; } // vtable+0x24
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// FUNCTION: LEGO1 0x100020b0
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virtual void Clear() { memset(m_data, 0, sizeof(float) * 2); } // vtable+0x2c
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// FUNCTION: LEGO1 0x100020d0
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virtual float Dot(float* p_a, float* p_b) const { return DotImpl(p_a, p_b); } // vtable+0x3c
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// FUNCTION: LEGO1 0x100020f0
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virtual float Dot(Vector2* p_a, Vector2* p_b) const { return DotImpl(p_a->m_data, p_b->m_data); } // vtable+0x38
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// FUNCTION: LEGO1 0x10002110
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virtual float Dot(float* p_a, Vector2* p_b) const { return DotImpl(p_a, p_b->m_data); } // vtable+0x34
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// FUNCTION: LEGO1 0x10002130
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virtual float Dot(Vector2* p_a, float* p_b) const { return DotImpl(p_a->m_data, p_b); } // vtable+0x30
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// FUNCTION: LEGO1 0x10002150
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virtual float LenSquared() const { return m_data[0] * m_data[0] + m_data[1] * m_data[1]; } // vtable+0x40
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// FUNCTION: LEGO1 0x10002160
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virtual int Unitize()
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{
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float sq = LenSquared();
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if (sq > 0.0f) {
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float root = sqrt(sq);
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if (root > 0) {
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DivScalarImpl(&root);
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return 0;
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}
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}
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return -1;
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} // vtable+0x44
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// FUNCTION: LEGO1 0x100021c0
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virtual void Add(float p_value) { AddImpl(p_value); } // vtable+0x50
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// FUNCTION: LEGO1 0x100021d0
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virtual void Add(float* p_other) { AddImpl(p_other); } // vtable+0x4c
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// FUNCTION: LEGO1 0x100021e0
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virtual void Add(Vector2* p_other) { AddImpl(p_other->m_data); } // vtable+0x48
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// FUNCTION: LEGO1 0x100021f0
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virtual void Sub(const float* p_other) { SubImpl((float*) p_other); } // vtable+0x58
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// FUNCTION: LEGO1 0x10002200
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virtual void Sub(const Vector2* p_other) { SubImpl((float*) p_other->m_data); } // vtable+0x54
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// FUNCTION: LEGO1 0x10002210
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virtual void Mul(float* p_other) { MulVectorImpl(p_other); } // vtable+0x64
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// FUNCTION: LEGO1 0x10002220
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virtual void Mul(Vector2* p_other) { MulVectorImpl(p_other->m_data); } // vtable+0x60
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// FUNCTION: LEGO1 0x10002230
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virtual void Mul(const float& p_value) { MulScalarImpl((float*) &p_value); } // vtable+0x5c
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// FUNCTION: LEGO1 0x10002240
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virtual void Div(float& p_value) { DivScalarImpl(&p_value); } // vtable+0x68
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// FUNCTION: LEGO1 0x10002250
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virtual void SetVector(float* p_other) { EqualsImpl(p_other); } // vtable+0x70
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// FUNCTION: LEGO1 0x10002260
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virtual void SetVector(const Vector2* p_other) { EqualsImpl(p_other->m_data); } // vtable+0x6c
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// SYNTHETIC: LEGO1 0x10010be0
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// Vector3::operator=
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inline Vector2& operator=(const Vector2& p_other)
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{
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Vector2::SetVector(&p_other);
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return *this;
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}
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inline float& operator[](int idx) { return m_data[idx]; }
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inline const float& operator[](int idx) const { return m_data[idx]; }
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protected:
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float* m_data; // 0x04
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};
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// VTABLE: LEGO1 0x100d4518
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// SIZE 0x08
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class Vector3 : public Vector2 {
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public:
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// FUNCTION: LEGO1 0x1001d150
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inline Vector3(float* p_data) : Vector2(p_data) {}
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// Hack: Some code initializes a Vector3 from a (most likely) const float* source.
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// Example: LegoCameraController::GetWorldUp
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// Vector3 however is a class that can mutate its underlying source, making
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// initialization with a const source fundamentally incompatible.
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inline Vector3(const float* p_data) : Vector2((float*) p_data) {}
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// Note: virtual function overloads appear in the virtual table
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// in reverse order of appearance.
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// FUNCTION: LEGO1 0x10002270
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virtual void EqualsCrossImpl(float* p_a, float* p_b)
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{
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m_data[0] = p_a[1] * p_b[2] - p_a[2] * p_b[1];
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m_data[1] = p_a[2] * p_b[0] - p_a[0] * p_b[2];
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m_data[2] = p_a[0] * p_b[1] - p_a[1] * p_b[0];
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} // vtable+0x74
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// FUNCTION: LEGO1 0x100022c0
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virtual void EqualsCross(Vector3* p_a, Vector3* p_b) { EqualsCrossImpl(p_a->m_data, p_b->m_data); } // vtable+0x80
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// FUNCTION: LEGO1 0x100022e0
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virtual void EqualsCross(Vector3* p_a, float* p_b) { EqualsCrossImpl(p_a->m_data, p_b); } // vtable+0x7c
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// FUNCTION: LEGO1 0x10002300
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virtual void EqualsCross(float* p_a, Vector3* p_b) { EqualsCrossImpl(p_a, p_b->m_data); } // vtable+0x78
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// FUNCTION: LEGO1 0x10003bf0
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virtual void Fill(const float& p_value)
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{
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m_data[0] = p_value;
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m_data[1] = p_value;
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m_data[2] = p_value;
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} // vtable+0x84
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// Vector2 overrides
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// FUNCTION: LEGO1 0x10003a60
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void AddImpl(float* p_value) override
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{
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m_data[0] += p_value[0];
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m_data[1] += p_value[1];
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m_data[2] += p_value[2];
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} // vtable+0x04
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// FUNCTION: LEGO1 0x10003a90
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void AddImpl(float p_value) override
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{
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m_data[0] += p_value;
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m_data[1] += p_value;
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m_data[2] += p_value;
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} // vtable+0x00
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// FUNCTION: LEGO1 0x10003ac0
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void SubImpl(float* p_value) override
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{
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m_data[0] -= p_value[0];
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m_data[1] -= p_value[1];
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m_data[2] -= p_value[2];
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} // vtable+0x08
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// FUNCTION: LEGO1 0x10003b20
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void MulScalarImpl(float* p_value) override
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{
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m_data[0] *= *p_value;
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m_data[1] *= *p_value;
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m_data[2] *= *p_value;
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} // vtable+0x0c
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// FUNCTION: LEGO1 0x10003af0
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void MulVectorImpl(float* p_value) override
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{
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m_data[0] *= p_value[0];
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m_data[1] *= p_value[1];
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m_data[2] *= p_value[2];
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} // vtable+0x10
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// FUNCTION: LEGO1 0x10003b50
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void DivScalarImpl(float* p_value) override
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{
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m_data[0] /= *p_value;
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m_data[1] /= *p_value;
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m_data[2] /= *p_value;
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} // vtable+0x14
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// FUNCTION: LEGO1 0x10003b80
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float DotImpl(float* p_a, float* p_b) const override
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{
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return p_a[0] * p_b[0] + p_a[2] * p_b[2] + p_a[1] * p_b[1];
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} // vtable+0x18
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// FUNCTION: LEGO1 0x10003ba0
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void EqualsImpl(float* p_data) override { memcpy(m_data, p_data, sizeof(float) * 3); } // vtable+0x20
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// FUNCTION: LEGO1 0x10003bc0
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void Clear() override { memset(m_data, 0, sizeof(float) * 3); } // vtable+0x2c
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// FUNCTION: LEGO1 0x10003bd0
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float LenSquared() const override
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{
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return m_data[0] * m_data[0] + m_data[1] * m_data[1] + m_data[2] * m_data[2];
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} // vtable+0x40
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friend class Mx3DPointFloat;
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};
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// VTABLE: LEGO1 0x100d45a0
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// SIZE 0x08
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class Vector4 : public Vector3 {
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public:
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inline Vector4(float* p_data) : Vector3(p_data) {}
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// Note: virtual function overloads appear in the virtual table
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// in reverse order of appearance.
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// FUNCTION: LEGO1 0x10002a40
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virtual void SetMatrixProduct(float* p_vec, float* p_mat)
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{
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m_data[0] = p_vec[0] * p_mat[0] + p_vec[1] * p_mat[4] + p_vec[2] * p_mat[8] + p_vec[3] * p_mat[12];
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m_data[1] = p_vec[0] * p_mat[1] + p_vec[1] * p_mat[5] + p_vec[2] * p_mat[9] + p_vec[4] * p_mat[13];
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m_data[2] = p_vec[0] * p_mat[2] + p_vec[1] * p_mat[6] + p_vec[2] * p_mat[10] + p_vec[4] * p_mat[14];
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m_data[3] = p_vec[0] * p_mat[3] + p_vec[1] * p_mat[7] + p_vec[2] * p_mat[11] + p_vec[4] * p_mat[15];
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} // vtable+0x8c
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// FUNCTION: LEGO1 0x10002ae0
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virtual void SetMatrixProduct(Vector4* p_a, float* p_b) { SetMatrixProduct(p_a->m_data, p_b); } // vtable+0x88
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inline virtual int NormalizeQuaternion(); // vtable+0x90
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inline virtual void UnknownQuaternionOp(Vector4* p_a, Vector4* p_b); // vtable+0x94
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// Vector3 overrides
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// FUNCTION: LEGO1 0x10002870
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void AddImpl(float* p_value) override
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{
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m_data[0] += p_value[0];
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m_data[1] += p_value[1];
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m_data[2] += p_value[2];
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m_data[3] += p_value[3];
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} // vtable+0x04
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// FUNCTION: LEGO1 0x100028b0
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void AddImpl(float p_value) override
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{
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m_data[0] += p_value;
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m_data[1] += p_value;
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m_data[2] += p_value;
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m_data[3] += p_value;
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} // vtable+0x00
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// FUNCTION: LEGO1 0x100028f0
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void SubImpl(float* p_value) override
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{
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m_data[0] -= p_value[0];
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m_data[1] -= p_value[1];
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m_data[2] -= p_value[2];
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m_data[3] -= p_value[3];
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} // vtable+0x08
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// FUNCTION: LEGO1 0x10002970
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void MulScalarImpl(float* p_value) override
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{
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m_data[0] *= *p_value;
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m_data[1] *= *p_value;
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m_data[2] *= *p_value;
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m_data[3] *= *p_value;
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} // vtable+0x0c
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// FUNCTION: LEGO1 0x10002930
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void MulVectorImpl(float* p_value) override
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{
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m_data[0] *= p_value[0];
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m_data[1] *= p_value[1];
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m_data[2] *= p_value[2];
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m_data[3] *= p_value[3];
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} // vtable+0x10
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// FUNCTION: LEGO1 0x100029b0
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void DivScalarImpl(float* p_value) override
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{
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m_data[0] /= *p_value;
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m_data[1] /= *p_value;
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m_data[2] /= *p_value;
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m_data[3] /= *p_value;
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} // vtable+0x14
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// FUNCTION: LEGO1 0x100029f0
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float DotImpl(float* p_a, float* p_b) const override
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{
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return p_a[0] * p_b[0] + p_a[2] * p_b[2] + (p_a[1] * p_b[1] + p_a[3] * p_b[3]);
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} // vtable+0x18
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// FUNCTION: LEGO1 0x10002a20
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void EqualsImpl(float* p_data) override { memcpy(m_data, p_data, sizeof(float) * 4); } // vtable+0x20
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// FUNCTION: LEGO1 0x10002b00
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void Clear() override { memset(m_data, 0, sizeof(float) * 4); } // vtable+0x2c
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// FUNCTION: LEGO1 0x10002b20
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float LenSquared() const override
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{
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return m_data[1] * m_data[1] + m_data[0] * m_data[0] + m_data[2] * m_data[2] + m_data[3] * m_data[3];
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} // vtable+0x40
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// FUNCTION: LEGO1 0x10002b40
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void Fill(const float& p_value) override
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{
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m_data[0] = p_value;
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m_data[1] = p_value;
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m_data[2] = p_value;
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m_data[3] = p_value;
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} // vtable+0x84
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friend class Mx4DPointFloat;
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};
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// Note close yet, included because I'm at least confident I know what operation
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// it's trying to do.
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// STUB: LEGO1 0x10002b70
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inline int Vector4::NormalizeQuaternion()
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{
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float* v = m_data;
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float magnitude = v[1] * v[1] + v[2] * v[2] + v[0] * v[0];
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if (magnitude > 0.0f) {
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float theta = v[3] * 0.5f;
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v[3] = cos(theta);
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float frac = sin(theta);
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magnitude = frac / sqrt(magnitude);
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v[0] *= magnitude;
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v[1] *= magnitude;
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v[2] *= magnitude;
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return 0;
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}
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return -1;
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}
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// FUNCTION: LEGO1 0x10002bf0
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inline void Vector4::UnknownQuaternionOp(Vector4* p_a, Vector4* p_b)
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{
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float* bDat = p_b->m_data;
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float* aDat = p_a->m_data;
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this->m_data[3] = aDat[3] * bDat[3] - (bDat[0] * aDat[0] + aDat[2] * bDat[2] + aDat[1] * aDat[1]);
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this->m_data[0] = bDat[2] * aDat[1] - bDat[1] * aDat[2];
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this->m_data[1] = aDat[2] * bDat[0] - bDat[2] * aDat[0];
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this->m_data[2] = bDat[1] * aDat[0] - aDat[1] * bDat[0];
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m_data[0] = p_b->m_data[3] * p_a->m_data[0] + p_a->m_data[3] * p_b->m_data[0] + m_data[0];
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m_data[1] = p_b->m_data[1] * p_a->m_data[3] + p_a->m_data[1] * p_b->m_data[3] + m_data[1];
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m_data[2] = p_b->m_data[2] * p_a->m_data[3] + p_a->m_data[2] * p_b->m_data[3] + m_data[2];
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}
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#endif // VECTOR_H
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