metaforce/Runtime/World/CFluidUVMotion.hpp

#pragma once

#include "rstl.hpp"
#include "RetroTypes.hpp"

namespace urde
{
class CFluidUVMotion
{
public:
    enum class EFluidUVMotion
    {
        Linear,
        Circular,
        Oscillate,
    };

    struct SFluidLayerMotion
    {
        EFluidUVMotion x0_motion = EFluidUVMotion::Linear;
        float x4_ooTimeToWrap = 0.16666667f;
        float x8_orientation = 0.f;
        float xc_magnitude = 1.f;
        float x10_uvMul = 5.f;
        float x14_uvScale = 0.2f;

        SFluidLayerMotion() = default;
        SFluidLayerMotion(EFluidUVMotion motion, float timeToWrap, float orientation, float magnitude, float uvMul)
            : x0_motion(motion), x4_ooTimeToWrap(1.f / timeToWrap), x8_orientation(orientation),
              xc_magnitude(magnitude), x10_uvMul(uvMul), x14_uvScale(1.f / uvMul)
        {
        }

        float GetUVScale() const { return x14_uvScale; }
    };

private:
    rstl::reserved_vector<SFluidLayerMotion, 3> x0_fluidLayers;
    float x4c_ooTimeToWrap;
    float x50_orientation;
public:
    CFluidUVMotion(float timeToWrap, float orientation, const SFluidLayerMotion& colorLayer,
                   const SFluidLayerMotion& pattern1Layer, const SFluidLayerMotion& pattern2Layer);
    CFluidUVMotion(float timeToWrap, float orientation);

    const rstl::reserved_vector<SFluidLayerMotion, 3>& GetFluidLayers() const { return x0_fluidLayers; }
    float GetOrientation() const { return x50_orientation; }
    float GetOOTimeToWrapTexPage() const { return x4c_ooTimeToWrap; }
    void CalculateFluidTextureOffset(float, float[3][2]) const;
};
}