raUtility.h

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#pragma once

    class raCamera;
    namespace Util
    {
        class RAPI raFile
        {
        public:
            // Datei Functionen
            static DWORD    raGetFileSize(raString Filename);
            static BOOL     raFileExists(raString Filename);
            static raString raGetFilenameExtension(raString Filename);
            static raString raRemoveDir(raString Filename);
            static bool     raRunProgramm(raString FileName, raString Parameter);
        };
    }
    // Engine Functionen
    RAPI bool raLoadEngine();
    RAPI bool raCloseEngine(void);

    // Diverses
    RAPI  raString raGetWinVersion();
    RAPI long  raGetMemory();
#ifndef WIN64
    RAPI float raGetCpuFrequency();
#endif
    // Fenster
    RAPI raVector2 raGetWinSize(HWND hWnd);

    RAPI int        raGetRandInt(int min, int max);
    RAPI float      raGetRandFloat(float min, float max);
    RAPI float      raGetRandPercent();
    RAPI void       raComputePickRay(raCamera* pCamera, float xPos, float yPos, raVector3* v1, raVector3* v2);
    RAPI raMatrix   raGetRandMatrix(float scaleX, float scaleY, float scaleZ, float offsetY);

    //Math Function
    RAPI raFloat    raSqrtf(raFloat X);
    RAPI raFloat    raSinf(raFloat X);
    RAPI raFloat    raCosf(raFloat X);
    RAPI raFloat    raTanf(raFloat X);
    RAPI raFloat    raAcosf(raFloat X);
    RAPI raFloat    raAbs(raFloat X);