metaforce/Runtime/Character/CAllFormatsAnimSource.hpp

#pragma once

#include "RetroTypes.hpp"
#include "zeus/CVector3f.hpp"
#include "CAnimSource.hpp"
#include "CFBStreamedCompression.hpp"
#include "CFactoryMgr.hpp"

namespace urde
{
class IObjectStore;
class IAnimReader;

enum class EAnimFormat
{
    Uncompressed,
    Unknown,
    BitstreamCompressed,
    BitstreamCompressed24
};

class CAnimFormatUnion
{
    friend class CAllFormatsAnimSource;
    union
    {
        EAnimFormat x0_format;
        u8 _align[16];
    };
    u8 x4_storage[std::max(sizeof(CAnimSource), sizeof(CFBStreamedCompression))];
    static void SubConstruct(u8* storage, EAnimFormat fmt,
                             CInputStream& in, IObjectStore& store);
public:
    CAnimFormatUnion(CInputStream& in, IObjectStore& store);
    ~CAnimFormatUnion();
    EAnimFormat GetFormat() const { return x0_format; }
    const CAnimSource& GetAsCAnimSource() const { return *reinterpret_cast<const CAnimSource*>(x4_storage); }
    const CFBStreamedCompression& GetAsCFBStreamedCompression() const { return *reinterpret_cast<const CFBStreamedCompression*>(x4_storage); }
};

class CAllFormatsAnimSource : public CAnimFormatUnion
{
    zeus::CVector3f x68_;
    SObjectTag x74_tag;
public:
    CAllFormatsAnimSource(CInputStream& in, IObjectStore& store, const SObjectTag& tag);
    static std::shared_ptr<IAnimReader> GetNewReader(const TLockedToken<CAllFormatsAnimSource>& tok,
                                                     const CCharAnimTime& startTime);
};

CFactoryFnReturn AnimSourceFactory(const SObjectTag& tag, CInputStream& in, const CVParamTransfer& params,
                                   CObjectReference* selfRef);

}