/*  Starshatter OpenSource Distribution
    Copyright (c) 1997-2004, Destroyer Studios LLC.
    All Rights Reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name "Destroyer Studios" nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.

    SUBSYSTEM:    nGenEx.lib
    FILE:         VideoSettings.cpp
    AUTHOR:       John DiCamillo


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

#include "MemDebug.h"
#include "VideoSettings.h"

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

VideoSettings::VideoSettings()
{
    fullscreen_mode.width   = 1024;
    fullscreen_mode.height  = 768;
    fullscreen_mode.refresh = 75;
    fullscreen_mode.format  = VideoMode::FMT_X8R8G8B8;

    windowed_mode.width     = 1280;
    windowed_mode.height    = 720;
    windowed_mode.refresh   = 0;
    windowed_mode.format    = VideoMode::FMT_NONE;

    window_width            = 1280;
    window_height           = 720;

    is_windowed             = false;
    use_effects             = true;
    shadows                 = true;
    bumpmaps                = true;
    specmaps                = true;
    max_detail              = 4;
    enable_vs               = true;
    enable_ps               = true;
    depth_bias              = 0;
}

VideoSettings::~VideoSettings()
{ }

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

bool
VideoSettings::IsWindowed() const
{
    return is_windowed;
}

bool
VideoSettings::UseEffects() const
{
    return use_effects;
}

int
VideoSettings::GetWidth() const
{
    if (is_windowed)
    return window_width;

    return fullscreen_mode.width;
}

int
VideoSettings::GetHeight() const
{
    if (is_windowed)
    return window_height;

    return fullscreen_mode.height;
}

int
VideoSettings::GetDepth() const
{
    int fmt = 0;
    int bpp = 0;

    if (is_windowed)
    fmt = windowed_mode.format;
    else
    fmt = fullscreen_mode.format;

    switch (fmt) {
    default:
    case VideoMode::FMT_NONE:       bpp =  0; break;
    case VideoMode::FMT_R5G5B5:     bpp = 15; break;
    case VideoMode::FMT_R5G6B5:     bpp = 16; break;
    case VideoMode::FMT_R8G8B8:     bpp = 24; break;
    case VideoMode::FMT_X8R8G8B8:   bpp = 32; break;
    }

    return bpp;
}

int
VideoSettings::GetPixSize() const
{
    int fmt = 0;
    int pix = 0;

    if (is_windowed)
    fmt = windowed_mode.format;
    else
    fmt = fullscreen_mode.format;

    switch (fmt) {
    default:
    case VideoMode::FMT_NONE:       pix =  0; break;
    case VideoMode::FMT_R5G5B5:     pix =  2; break;
    case VideoMode::FMT_R5G6B5:     pix =  2; break;
    case VideoMode::FMT_R8G8B8:     pix =  3; break;
    case VideoMode::FMT_X8R8G8B8:   pix =  4; break;
    }

    return pix;
}

int
VideoSettings::GetRefreshRate() const
{
    if (is_windowed)
    return windowed_mode.refresh;

    return fullscreen_mode.refresh;
}

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

const char*
VideoSettings::GetModeDescription() const
{
    if (is_windowed)
    return windowed_mode.GetDescription();

    return fullscreen_mode.GetDescription();
}

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

int
VideoSettings::GetVertexProcessing() const
{
    if (is_windowed)
    return windowed_device.vertex_processing;

    return fullscreen_device.vertex_processing;
}

int
VideoSettings::GetDepthBufferBits() const
{
    if (is_windowed)
    return windowed_device.depth_buffer_bits;

    return fullscreen_device.depth_buffer_bits;
}

int
VideoSettings::GetAdapterIndex() const
{
    if (is_windowed)
    return windowed_device.adapter_index;

    return fullscreen_device.adapter_index;
}

int
VideoSettings::GetDeviceIndex() const
{
    if (is_windowed)
    return windowed_device.device_index;

    return fullscreen_device.device_index;
}

DWORD
VideoSettings::GetDeviceType() const
{
    if (is_windowed)
    return windowed_device.device_type;

    return fullscreen_device.device_type;
}

DWORD
VideoSettings::GetDepthStencilFormat() const
{
    if (is_windowed)
    return windowed_device.depth_stencil_format;

    return fullscreen_device.depth_stencil_format;
}

DWORD
VideoSettings::GetBackBufferFormat() const
{
    if (is_windowed)
    return windowed_device.back_buffer_format;

    return fullscreen_device.back_buffer_format;
}

const char*
VideoSettings::GetAdapterDesc() const
{
    if (is_windowed)
    return windowed_device.adapter_desc;

    return fullscreen_device.adapter_desc;
}

const char*
VideoSettings::GetDeviceDesc() const
{
    if (is_windowed)
    return windowed_device.device_desc;

    return fullscreen_device.device_desc;
}


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

const char*
VideoMode::GetDescription() const
{
    static char desc[32];

    int bpp = 0;
    switch (format) {
    default:
    case VideoMode::FMT_NONE:       bpp =  0; break;
    case VideoMode::FMT_R5G5B5:     bpp = 15; break;
    case VideoMode::FMT_R5G6B5:     bpp = 16; break;
    case VideoMode::FMT_R8G8B8:     bpp = 24; break;
    case VideoMode::FMT_X8R8G8B8:   bpp = 32; break;
    }

    sprintf_s(desc, "%d x %d x %d", width, height, bpp);
    return desc;
}

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

VideoDeviceInfo::VideoDeviceInfo()
{
    ZeroMemory(this, sizeof(VideoDeviceInfo));

    vertex_processing = VideoSettings::VTX_HARDWARE;
    depth_buffer_bits = 32;
}

VideoDeviceInfo::~VideoDeviceInfo()
{
}