C4GameVersion.h

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/*
 * OpenClonk, http://www.openclonk.org
 *
 * Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
 * Copyright (c) 2010-2016, The OpenClonk Team and contributors
 *
 * Distributed under the terms of the ISC license; see accompanying file
 * "COPYING" for details.
 *
 * "Clonk" is a registered trademark of Matthes Bender, used with permission.
 * See accompanying file "TRADEMARK" for details.
 *
 * To redistribute this file separately, substitute the full license texts
 * for the above references.
 */
#ifndef C4GAMEVERSION_H
 
#define C4GAMEVERSION_H
 
#include "C4Version.h"
#include "lib/C4InputValidation.h"
#include <utility>
 
struct C4GameVersion
{
    ValidatedStdCopyStrBuf<C4InVal::VAL_NameAllowEmpty> sEngineName; // status only - not used for comparison
    int32_t iVer[2];
 
    C4GameVersion(const char *szEngine=C4ENGINENAME, int32_t iVer1=C4XVER1, int32_t iVer2=C4XVER2)
    { Set(szEngine, iVer1, iVer2); }
    void Set(const char *szEngine=C4ENGINENAME, int32_t iVer1=C4XVER1, int32_t iVer2=C4XVER2)
    { sEngineName.CopyValidated(szEngine); iVer[0]=iVer1; iVer[1]=iVer2; }
    StdStrBuf GetString() const
    { return FormatString("%s %d.%d", sEngineName.getData(), (int)iVer[0], (int)iVer[1]); }
    bool operator == (const C4GameVersion &rCmp) const
    { return iVer[0]==rCmp.iVer[0] && iVer[1]==rCmp.iVer[1]; }
 
    void CompileFunc(StdCompiler *pComp, bool fEngineName)
    {
        if (fEngineName)
        {
            pComp->Value(mkDefaultAdapt(sEngineName, ""));
            pComp->Separator();
        }
        else if (pComp->isDeserializer())
            sEngineName = "";
        pComp->Value(mkArrayAdapt(iVer,2,0));
    }
};
 
// helper
inline int CompareVersion(int iVer1, int iVer2,
                          int iRVer1 = C4XVER1, int iRVer2 = C4XVER2)
{
    auto ver = std::make_pair(iVer1, iVer2);
    auto rVer = std::make_pair(iRVer1, iRVer2);
 
    if (ver < rVer) return -1;
    if (ver > rVer) return 1;
    return 0;
}
 
#endif // C4GAMEVERSION_H