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/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Video Settings class
*/

#ifndef VideoSettings_h
#define VideoSettings_h

#include "Types.h"
#include "Video.h"

// +--------------------------------------------------------------------+

struct VideoMode
{
    enum Format {
        FMT_NONE       =  0,
        FMT_R5G5B5     = 24,
        FMT_R5G6B5     = 23,
        FMT_R8G8B8     = 20,
        FMT_X8R8G8B8   = 22
    };

    VideoMode()                                : width(0), height(0), refresh(0), format(0) { }
    VideoMode(int w, int h, Format f, int r=0) : width(w), height(h), refresh(r), format(f) { }

    int operator == (const VideoMode& m)  const { return m.width  == width  &&
        m.height == height &&
        m.format == format;   }
    int operator != (const VideoMode& m)  const { return m.width  != width  ||
        m.height != height ||
        m.format != format;   }

    const char* GetDescription() const;

    int               width;
    int               height;
    int               refresh;
    int               format;
};

// +--------------------------------------------------------------------+

struct VideoDeviceInfo
{
    VideoDeviceInfo();
    ~VideoDeviceInfo();

    int               vertex_processing;
    int               depth_buffer_bits;
    int               adapter_index;
    int               device_index;
    DWORD             device_type;
    DWORD             depth_stencil_format;
    DWORD             back_buffer_format;
    DWORD             multisample_type;
    DWORD             multisample_qual;
    char              adapter_desc[128];
    char              device_desc[128];
};

// +--------------------------------------------------------------------+

class VideoSettings
{
public:
    enum VertexProcessing {
        VTX_SOFTWARE,
        VTX_MIXED,
        VTX_HARDWARE,
        VTX_PURE
    };

    VideoSettings();
    ~VideoSettings();

    // accessor methods

    int               GetGammaLevel()         const;
    bool              IsWindowed()            const;
    bool              UseEffects()            const;
    int               GetWidth()              const;
    int               GetHeight()             const;
    int               GetDepth()              const;
    int               GetPixSize()            const;
    int               GetRefreshRate()        const;

    const char*       GetModeDescription()    const;

    int               GetVertexProcessing()   const;
    int               GetDepthBufferBits()    const;
    int               GetAdapterIndex()       const;
    int               GetDeviceIndex()        const;
    DWORD             GetDeviceType()         const;
    DWORD             GetDepthStencilFormat() const;
    DWORD             GetBackBufferFormat()   const;
    const char*       GetAdapterDesc()        const;
    const char*       GetDeviceDesc()         const;

    // properties

    int               gamma;
    bool              is_windowed;
    bool              use_effects;
    VideoMode         fullscreen_mode;
    VideoMode         windowed_mode;
    int               window_width;
    int               window_height;
    VideoDeviceInfo   fullscreen_device;
    VideoDeviceInfo   windowed_device;

    // feature set

    bool              shadows;
    bool              bumpmaps;
    bool              specmaps;
    int               max_detail;
    DWORD             enable_vs;
    DWORD             enable_ps;
    float             depth_bias;
};

#endif  // VideoSettings_h