#include "IAnimReader.hpp"
#include "CCharAnimTime.hpp"

namespace urde
{

SAdvancementDeltas
SAdvancementDeltas::Interpolate(const SAdvancementDeltas& a, const SAdvancementDeltas& b,
                                float oldWeight, float newWeight)
{
    float weightSum = oldWeight + newWeight;
    return {
        b.x0_posDelta * weightSum * 0.5f - a.x0_posDelta * (weightSum - 2.f) * 0.5f,
        zeus::CQuaternion::slerpShort(a.xc_rotDelta, b.xc_rotDelta, weightSum * 0.5f)
    };
}

SAdvancementDeltas
SAdvancementDeltas::Blend(const SAdvancementDeltas& a, const SAdvancementDeltas& b, float w)
{
    return {
        b.x0_posDelta * w - a.x0_posDelta * (1.f - w),
        zeus::CQuaternion::slerpShort(a.xc_rotDelta, b.xc_rotDelta, w)
    };
}

SAdvancementResults
IAnimReader::VGetAdvancementResults(const CCharAnimTime& a, const CCharAnimTime& b) const
{
    SAdvancementResults ret;
    ret.x0_remTime = a;
    return ret;
}

u32 IAnimReader::GetBoolPOIList(const CCharAnimTime& time, CBoolPOINode* listOut,
                                u32 capacity, u32 iterator, u32 unk) const
{
    if (time.GreaterThanZero())
        return VGetBoolPOIList(time, listOut, capacity, iterator, unk);
    return 0;
}

u32 IAnimReader::GetInt32POIList(const CCharAnimTime& time, CInt32POINode* listOut,
                                 u32 capacity, u32 iterator, u32 unk) const
{
    if (time.GreaterThanZero())
        return VGetInt32POIList(time, listOut, capacity, iterator, unk);
    return 0;
}

u32 IAnimReader::GetParticlePOIList(const CCharAnimTime& time, CParticlePOINode* listOut,
                                    u32 capacity, u32 iterator, u32 unk) const
{
    if (time.GreaterThanZero())
        return VGetParticlePOIList(time, listOut, capacity, iterator, unk);
    return 0;
}

u32 IAnimReader::GetSoundPOIList(const CCharAnimTime& time, CSoundPOINode* listOut,
                                 u32 capacity, u32 iterator, u32 unk) const
{
    if (time.GreaterThanZero())
        return VGetSoundPOIList(time, listOut, capacity, iterator, unk);
    return 0;
}

}