metaforce/Runtime/Particle/CSpawnSystemKeyframeData.cpp

#include "CSpawnSystemKeyframeData.hpp"
#include "CSimplePool.hpp"

namespace Retro
{

CSpawnSystemKeyframeData::CSpawnSystemKeyframeData(CInputStream& in)
{
    x0 = in.readUint32Big();
    x4 = in.readUint32Big();
    x8_endFrame = in.readUint32Big();
    xc = in.readUint32Big();

    u32 count = in.readUint32Big();
    x10_spawns.reserve(count);
    for (u32 i=0 ; i<count ; ++i)
    {
        u32 v1 = in.readUint32Big();
        x10_spawns.emplace_back(v1, std::vector<CSpawnSystemKeyframeInfo>());
        std::vector<CSpawnSystemKeyframeInfo>& v2 = x10_spawns.back().second;
        u32 v2c = in.readUint32Big();
        v2.reserve(v2c);
        for (u32 j=0 ; j<v2c ; ++j)
            v2.emplace_back(in);
    }
}

CSpawnSystemKeyframeData::CSpawnSystemKeyframeInfo::CSpawnSystemKeyframeInfo(CInputStream& in)
{
    x0_id = in.readUint32Big();
    x4 = in.readUint32Big();
    x8 = in.readUint32Big();
    xc = in.readUint32Big();
}

void CSpawnSystemKeyframeData::LoadAllSpawnedSystemTokens(CSimplePool* pool)
{
    for (auto& spawn : x10_spawns)
        for (CSpawnSystemKeyframeInfo& elem : spawn.second)
            elem.LoadToken(pool);
}

void CSpawnSystemKeyframeData::CSpawnSystemKeyframeInfo::LoadToken(CSimplePool* pool)
{
    x10_token = std::move(pool->GetObj({FOURCC('PART'), x0_id}));
    x18_found = true;
}

std::vector<CSpawnSystemKeyframeData::CSpawnSystemKeyframeInfo>&
CSpawnSystemKeyframeData::GetSpawnedSystemsAtFrame(u32 frame)
{
    static std::vector<CSpawnSystemKeyframeData::CSpawnSystemKeyframeInfo> emptyReturn;
    if (frame >= x8_endFrame)
        return emptyReturn;
    for (auto& spawn : x10_spawns)
        if (spawn.first == frame)
            return spawn.second;
    return emptyReturn;
}

}