metaforce/Runtime/CMayaSpline.hpp

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2021-05-23 18:53:15 +00:00
#pragma once
#include <vector>
#include "RetroTypes.hpp"
#include <zeus/CVector2f.hpp>
#include <rstl.hpp>
#include <cmath>
#include <cfloat>
namespace metaforce {
class CMayaSplineKnot {
float x0_time;
float x4_amplitude;
u8 x8_;
u8 x9_;
bool xa_24_dirty : 1 = true;
u8 xb_;
zeus::CVector2f xc_cachedTangentA;
zeus::CVector2f x14_cachedTangentB;
public:
CMayaSplineKnot(CInputStream& in);
float GetTime() const { return x0_time; }
float GetAmplitude() const { return x4_amplitude; }
u8 GetX8() const { return x8_; }
u8 GetX9() const { return x9_; }
void GetTangents(CMayaSplineKnot* prev, CMayaSplineKnot* next, zeus::CVector2f& tangentA, zeus::CVector2f& tangentB);
void CalculateTangents(CMayaSplineKnot* prev, CMayaSplineKnot* next);
};
class CMayaSpline {
u32 x0_preInfinity;
u32 x4_postInfinity;
std::vector<CMayaSplineKnot> x8_knots;
u32 x18_clampMode;
float x1c_minAmplitudeTime;
float x20_maxAmplitudeTime;
s32 x24_chachedKnotIndex = -1;
s32 x28_ = -1;
bool x2c_24_dirty = false;
float x30_cachedMinTime;
float x34_cachedHermitCoefs[4];
public:
CMayaSpline(CInputStream& in, s32 count);
u32 GetKnotCount() const { return x8_knots.size(); }
const std::vector<CMayaSplineKnot>& GetKnots() const { return x8_knots; }
float GetMinTime() const;
float GetMaxTime() const;
float GetDuration() const;
float EvaluateAt(float time);
float EvaluateAtUnclamped(float time);
float EvaluateInfinities(float time, bool Pre);
float EvaluateHermite(float time);
bool FindKnot(float time, int& knotIndex);
void FindControlPoints(s32 knotIndex, rstl::reserved_vector<zeus::CVector2f, 4>& controlPoints);
void CalculateHermiteCoefficients(const rstl::reserved_vector<zeus::CVector2f, 4>& controlPoits, float* coefs);
};
} // namespace metaforce