/// <summary>
/// Retrieves system info and stores it in this class
/// </summary>
public SystemInfo()
{
CPUCacheSize = SDL.SDL_GetCPUCacheLineSize();
RAMSizeMB = SDL.SDL_GetSystemRAM();
CPUFeatures feat = CPUFeatures.Null;
if (SDLUtil.ToBool(SDL.SDL_Has3DNow()))
{
feat |= CPUFeatures.Has3DNow;
}
if (SDLUtil.ToBool(SDL.SDL_HasAVX()))
{
feat |= CPUFeatures.HasAVX;
}
if (SDLUtil.ToBool(SDL.SDL_HasAVX2()))
{
feat |= CPUFeatures.HasAVX2;
}
if (SDLUtil.ToBool(SDL.SDL_HasAltiVec()))
{
feat |= CPUFeatures.HasAltiVec;
}
if (SDLUtil.ToBool(SDL.SDL_HasMMX()))
{
feat |= CPUFeatures.HasMMX;
}
if (SDLUtil.ToBool(SDL.SDL_HasRDTSC()))
{
feat |= CPUFeatures.HasRDTSC;
}
if (SDLUtil.ToBool(SDL.SDL_HasSSE()))
{
feat |= CPUFeatures.HasSSE;
}
if (SDLUtil.ToBool(SDL.SDL_HasSSE2()))
{
feat |= CPUFeatures.HasSSE2;
}
if (SDLUtil.ToBool(SDL.SDL_HasSSE3()))
{
feat |= CPUFeatures.HasSSE3;
}
if (SDLUtil.ToBool(SDL.SDL_HasSSE41()))
{
feat |= CPUFeatures.HasSSE41;
}
if (SDLUtil.ToBool(SDL.SDL_HasSSE42()))
{
feat |= CPUFeatures.HasSSE42;
}
ProcessorFeatures = feat;
UpdatePowerInfo();
// Find current display driver index
VideoDriverIndex = -1;
CurrentVideoDriver = SDL.SDL_GetCurrentVideoDriver();
List <string> tmpVideoDrivers = new List <string>();
for (int i = 0; i < SDL.SDL_GetNumVideoDrivers(); i++)
{
string cVidDri = SDL.SDL_GetVideoDriver(i);
if (cVidDri == CurrentVideoDriver)
{
VideoDriverIndex = i;
}
tmpVideoDrivers.Add(cVidDri);
}
InstalledVideoDrivers = tmpVideoDrivers.ToArray();
// DPI
if (SDL.SDL_GetDisplayDPI(VideoDriverIndex, out float ddpi, out float hdpi, out float vdpi) == 0)
{
HorizontalDPI = hdpi;
VerticalDPI = vdpi;
DiagonalDPI = ddpi;
}
}
/// <summary>
/// Runs the main event loop.
/// </summary>
/// <remarks>
/// Note that this function does not return
/// until the SDL_QUIT message is recieved. If you want to run
/// a game tick loop, it should run on a separate thread.
/// </remarks>
public void RunWindowLoop()
{
try
{
bool quit = false;
while (!quit)
{
SDL.SDL_Event e;
if (SDL.SDL_PollEvent(out e) != 0)
{
switch (e.type)
{
// Quit
case SDL.SDL_EventType.SDL_QUIT:
{
foreach (var wnd in windows)
{
wnd.Value.OnQuit();
}
quit = true;
break;
}
// File dropping
case SDL.SDL_EventType.SDL_DROPFILE:
case SDL.SDL_EventType.SDL_DROPTEXT:
{
string data = SDLUtil.NullTerminatedUTF8String(e.drop.file);
DataDrop drop = new DataDrop(e.type == SDL.SDL_EventType.SDL_DROPFILE, data);
windows[e.drop.windowID].OnDataDrop(drop);
ExtraSDLBindings.SDL_free(e.drop.file);
// Note to SDL devs (or SDL2# dev): This is not ok
// Either give SDL_free in SDL2# or have SDL free the pointer itself
// Or have the binding return a string here
break;
}
case SDL.SDL_EventType.SDL_DROPBEGIN:
{
windows[e.drop.windowID].OnBeginDrop();
break;
}
case SDL.SDL_EventType.SDL_DROPCOMPLETE:
{
windows[e.drop.windowID].OnEndDrop();
break;
}
// Key actions
case SDL.SDL_EventType.SDL_KEYDOWN:
{
KeyAction action = new KeyAction(e.key);
windows[e.key.windowID].OnKeyDown(action);
break;
}
case SDL.SDL_EventType.SDL_KEYUP:
{
KeyAction action = new KeyAction(e.key);
windows[e.key.windowID].OnKeyUp(action);
break;
}
// Mouse Actions
case SDL.SDL_EventType.SDL_MOUSEMOTION:
{
windows[e.motion.windowID].OnMouseMove(e.motion.x, e.motion.y, e.motion.xrel, e.motion.yrel);
break;
}
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
{
windows[e.button.windowID].OnMouseDown(new MouseAction(e.button));
break;
}
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
{
windows[e.button.windowID].OnMouseUp(new MouseAction(e.button));
break;
}
case SDL.SDL_EventType.SDL_TEXTEDITING:
{
windows[e.edit.windowID].OnTextEdit(new TextEditingAction(e.edit));
break;
}
case SDL.SDL_EventType.SDL_TEXTINPUT:
{
unsafe
{
windows[e.text.windowID].OnTextInput(SDLUtil.NullTerminatedUTF8String(new IntPtr(e.text.text)));
}
break;
}
}
}
foreach (var wnd in windows)
{
wnd.Value.OnPaint();
}
}
}catch (Exception ex)
{
MessageBox.ShowMessageBox(MessageBoxFlags.Error, "Unhandled Exception", ex.ToString());
throw;
}
}