metaforce/Runtime/Character/CTimeScaleFunctions.hpp

57 lines
2.3 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 override { return EVaryingAnimationTimeScaleType::Constant; }
float VTimeScaleIntegral(float lowerLimit, float upperLimit) const override;
float VFindUpperLimit(float lowerLimit, float root) const override;
std::unique_ptr<IVaryingAnimationTimeScale> VClone() const override;
std::unique_ptr<IVaryingAnimationTimeScale> VGetFunctionMirrored(float value) const override;
};
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 override { return EVaryingAnimationTimeScaleType::Linear; }
float VTimeScaleIntegral(float lowerLimit, float upperLimit) const override;
float VFindUpperLimit(float lowerLimit, float root) const override;
std::unique_ptr<IVaryingAnimationTimeScale> VClone() const override;
std::unique_ptr<IVaryingAnimationTimeScale> VGetFunctionMirrored(float value) const override;
};
} // namespace urde