fastman92 limit adjuster exports

// Author: fastman92
// Project: fastman92 limit adjuster

// Please set up IS_X86_ARCHITECTURE or IS_X64_ARCHITECTURE depending for your project.

#pragma once

#ifdef FASTMAN92_LIMIT_ADJUSTER
#define F92_LA_API __declspec(dllexport)
#else
#define F92_LA_API __declspec(dllimport)
#endif

extern "C" {

    #define IMG_FASTMAN92_GTASA_MAX_FILENAME_LENGTH 39

    #pragma pack(push, 1)
    class tImgFastman92GTASAdirectoryEntry
    {
    public:
        unsigned __int32 PositionInSectors;
        unsigned __int16 OriginalSizeInSectors;
        unsigned __int16 NumberOfPaddedBytesInAlignedOriginalSize;
        unsigned __int16 PackedSizeInSectors;
        unsigned __int16 NumberOfPaddedBytesInAlignedPackedSize;
        unsigned __int32 Flags;
        char Name[IMG_FASTMAN92_GTASA_MAX_FILENAME_LENGTH + 1];
        char Reserved[8];   // should have NULL values when reserved.
    };
    #pragma pack(pop)

    #pragma pack(push, 1)
    class CStreamingInfoInGTASA
    {
    public:
        unsigned __int16 usNext;
        unsigned __int16 usPrev;
        unsigned __int16 usNextOnCd;
        char ucFlags;
        unsigned __int8 ucImgId;
        int iBlockOffset;       // m_OriginalSizeInSectors
        int iBlockCount;
        char uiLoadFlag;
        char field_11[3];
    };
    #pragma pack(pop)

    #pragma pack(push, 1)
    struct tImgDescriptorInGTASA
    {
        char name[40];
        char isNotPlayerImg;
        char __align[3];
        int streamHandle;
    };
    #pragma pack(pop)

    // GTA SA IMG loading call
    struct tGTASAimgLoadingCall
    {
        unsigned __int32 dwSize;    // structure size

        //////////////////
        // first version of structure

        // pointer passed to functions below
        void* pUserData;

        // When ReadEntry != NULL, then IMG archive won't opened and caller is responsible for opening/closing if neccessary.
        // ReadEntry will be used to get each next entry.
        bool(__cdecl* ReadEntry)(class tImgFastman92GTASAdirectoryEntry* pEntry, void* pUserData);

        // Function that's executed to find out if special entry should be added or not.
        bool(__cdecl* OnSpecialEntry)(class tImgFastman92GTASAdirectoryEntry* pEntry, void* pUserData);

        // Function that's executed after CStreamingInfo::GetCdPosnAndSize, can prevent registering the entry.
        bool(__cdecl* OnEntry)(
            class tImgFastman92GTASAdirectoryEntry* pEntry,
            class CStreamingInfoInGTASA* pStreamingInfo,
            bool isFileSizeSetUp,
            void* pUserData
            );

        //////////////////
    };

    // Count of file IDs
    F92_LA_API __int32 GetNumberOfFileIDs();

    // Returns model info, prev file ID
    F92_LA_API __int32 GetFileInfoPrevFileID(__int32 fileID);

    // Returns model info, next file ID
    F92_LA_API __int32 GetFileInfoNextFileID(__int32 fileID);

    // Returns model info, next on CD file ID
    F92_LA_API __int32 GetFileInfoNextOnCDfileID(__int32 fileID);

    // Sets file info, Prev file ID
    F92_LA_API void SetFileInfoPrevFileID(__int32 fileID, __int32 newValue);

    // Sets file info, Next file ID
    F92_LA_API void SetFileInfoNextFileID(__int32 fileID, __int32 newValue);

    // Sets file info, NextOnCd file ID
    F92_LA_API void SetFileInfoNextOnCDfileID(__int32 fileID, __int32 newValue);

    // Returns true if handling of enhanced IMG archives is enabled
    F92_LA_API bool IsHandlingOfEnhancedIMGarchivesEnabled();

#ifdef IS_X86_ARCHITECTURE
    // Loads CD directory in GTA SA. Works only if enhanced IMG archives are enabled!
    F92_LA_API void LoadCdDirectoryInGTASA(
            tImgDescriptorInGTASA *pIMGdescriptor,
            int imgId,
            tGTASAimgLoadingCall* pLoadingCall
        );
#endif
}