metaforce/Runtime/Character/CTimeScaleFunctions.hpp

68 lines
2.4 KiB
C++

#pragma once
#include "RetroTypes.hpp"
#include "CCharAnimTime.hpp"
namespace urde
{
enum class EVaryingAnimationTimeScaleType
{
Constant,
Linear
};
class IVaryingAnimationTimeScale
{
public:
virtual ~IVaryingAnimationTimeScale() = default;
virtual EVaryingAnimationTimeScaleType GetType() const=0;
virtual float VTimeScaleIntegral(float lowerLimit, float upperLimit) const=0;
virtual float VFindUpperLimit(float lowerLimit, float root) const=0;
virtual std::unique_ptr<IVaryingAnimationTimeScale> VClone() const=0;
virtual std::unique_ptr<IVaryingAnimationTimeScale> VGetFunctionMirrored(float value) const=0;
std::unique_ptr<IVaryingAnimationTimeScale> Clone() const;
};
class CConstantAnimationTimeScale : public IVaryingAnimationTimeScale
{
private:
float x4_scale;
public:
CConstantAnimationTimeScale(float scale) : x4_scale(scale) {}
EVaryingAnimationTimeScaleType GetType() const { return EVaryingAnimationTimeScaleType::Constant; }
float VTimeScaleIntegral(float lowerLimit, float upperLimit) const;
float VFindUpperLimit(float lowerLimit, float root) const;
std::unique_ptr<IVaryingAnimationTimeScale> VClone() const;
std::unique_ptr<IVaryingAnimationTimeScale> VGetFunctionMirrored(float value) const;
};
class CLinearAnimationTimeScale : public IVaryingAnimationTimeScale
{
struct CFunctionDescription
{
float x4_slope;
float x8_yIntercept;
float xc_t1;
float x10_t2;
std::unique_ptr<IVaryingAnimationTimeScale> FunctionMirroredAround(float value) const;
} x4_desc;
static float FindUpperLimitFromRoot(const CFunctionDescription& desc,
float lowerLimit, float root);
static float TimeScaleIntegralWithSortedLimits(const CFunctionDescription& desc,
float lowerLimit, float upperLimit);
public:
CLinearAnimationTimeScale(const CCharAnimTime& t1, float y1,
const CCharAnimTime& t2, float y2);
EVaryingAnimationTimeScaleType GetType() const {return EVaryingAnimationTimeScaleType::Linear;}
float VTimeScaleIntegral(float lowerLimit, float upperLimit) const;
float VFindUpperLimit(float lowerLimit, float root) const;
std::unique_ptr<IVaryingAnimationTimeScale> VClone() const;
std::unique_ptr<IVaryingAnimationTimeScale> VGetFunctionMirrored(float value) const;
};
}