//
// I_InitMouseDriver
//
// Instantiates the proper concrete MouseInput object based on the
// mouse_driver cvar and stores a pointer to the object in mouse_input.
//
void I_InitMouseDriver()
{
I_ShutdownMouseDriver();
// ignore SDL mouse input for now... The mouse driver will change this if needed
I_SetSDLIgnoreMouseEvents();
if (nomouse)
return;
// try to initialize the user's preferred mouse driver
MouseDriverInfo_t* info = I_FindMouseDriverInfo(mouse_driver_id);
if (info)
{
if (info->create != NULL)
mouse_input = info->create();
if (mouse_input != NULL)
Printf(PRINT_HIGH, "I_InitMouseDriver: Initializing %s input.\n", info->name);
else
Printf(PRINT_HIGH, "I_InitMouseDriver: Unable to initalize %s input.\n", info->name);
}
// fall back on SDLMouse if the preferred driver failed to initialize
if (mouse_input == NULL)
{
mouse_input = SDLMouse::create();
if (mouse_input != NULL)
Printf(PRINT_HIGH, "I_InitMouseDriver: Initializing SDL Mouse input as a fallback.\n");
else
Printf(PRINT_HIGH, "I_InitMouseDriver: Unable to initialize SDL Mouse input as a fallback.\n");
}
I_FlushInput();
I_ResumeMouse();
}
//
// I_InitFocus
//
// Sets the initial value of window_focused.
//
static void I_InitFocus()
{
window_focused = I_CheckFocusState();
if (window_focused)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
I_ResumeMouse();
}
else
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
I_PauseMouse();
}
}
bool SDLVideo::SetMode(int width, int height, int bits, bool fullscreen)
{
Uint32 flags = (vid_vsync ? SDL_HWSURFACE | SDL_DOUBLEBUF : SDL_SWSURFACE);
if (fullscreen && !vidModeList.empty())
flags |= SDL_FULLSCREEN;
else
flags |= SDL_RESIZABLE;
if (fullscreen && bits == 8)
flags |= SDL_HWPALETTE;
// TODO: check for multicore
flags |= SDL_ASYNCBLIT;
// [SL] SDL_SetVideoMode reinitializes DirectInput if DirectX is being used.
// This interferes with RawWin32Mouse's input handlers so we need to
// disable them prior to reinitalizing DirectInput...
I_PauseMouse();
int sbits = bits;
#ifdef _WIN32
// fullscreen directx requires a 32-bit mode to fix broken palette
// [Russell] - Use for gdi as well, fixes d2 map02 water
if (fullscreen)
sbits = 32;
#endif
#ifdef SDL_GL_SWAP_CONTROL
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, vid_vsync);
#endif
if (!(sdlScreen = SDL_SetVideoMode(width, height, sbits, flags)))
return false;
// [SL] ...and re-enable RawWin32Mouse's input handlers after
// DirectInput is reinitalized.
I_ResumeMouse();
screenw = width;
screenh = height;
screenbits = bits;
return true;
}
//
// I_UpdateInputGrabbing
//
// Determines if SDL should grab the mouse based on the game window having
// focus and the status of the menu and console.
//
static void I_UpdateInputGrabbing()
{
#ifndef GCONSOLE
bool can_grab = false;
bool grabbed = SDL_WM_GrabInput(SDL_GRAB_QUERY);
if (!window_focused)
can_grab = false;
else if (vid_fullscreen)
can_grab = true;
else if (nomouse)
can_grab = false;
else if (configuring_controls)
can_grab = true;
else if (menuactive || ConsoleState == c_down || paused)
can_grab = false;
else if ((gamestate == GS_LEVEL || gamestate == GS_INTERMISSION) && !demoplayback)
can_grab = true;
// force I_ResumeMouse or I_PauseMouse if toggling between fullscreen/windowed
static float prev_vid_fullscreen = vid_fullscreen;
if (vid_fullscreen != prev_vid_fullscreen)
grabbed = !can_grab;
prev_vid_fullscreen = vid_fullscreen;
// check if the window focus changed (or menu/console status changed)
if (can_grab && !grabbed)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
I_ResumeMouse();
I_FlushInput();
}
else if (grabbed && !can_grab)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
I_PauseMouse();
}
#endif
}
//
// I_GetEvent
//
void I_GetEvent (void)
{
event_t event;
event_t mouseevent = {ev_mouse, 0, 0, 0};
static int mbuttons = 0;
int sendmouseevent = 0;
SDL_Event ev;
if (!havefocus)
I_PauseMouse();
else
{
I_ResumeMouse();
}
while(SDL_PollEvent(&ev))
{
event.data1 = event.data2 = event.data3 = 0;
switch(ev.type)
{
case SDL_QUIT:
AddCommandString("menu_quit");
break;
// Resizable window mode resolutions
case SDL_VIDEORESIZE:
{
if (!vid_fullscreen)
{
char Command[64];
mousegrabbed = false;
snprintf(Command, sizeof(Command), "vid_setmode %d %d", ev.resize.w, ev.resize.h);
AddCommandString(Command);
vid_defwidth.Set((float)ev.resize.w);
vid_defheight.Set((float)ev.resize.h);
}
}
break;
case SDL_ACTIVEEVENT:
// need to update our focus state
UpdateFocus();
break;
case SDL_KEYDOWN:
event.type = ev_keydown;
event.data1 = ev.key.keysym.sym;
if(event.data1 >= SDLK_KP0 && event.data1 <= SDLK_KP9)
event.data2 = event.data3 = '0' + (event.data1 - SDLK_KP0);
else if(event.data1 == SDLK_KP_PERIOD)
event.data2 = event.data3 = '.';
else if(event.data1 == SDLK_KP_DIVIDE)
event.data2 = event.data3 = '/';
else if(event.data1 == SDLK_KP_ENTER)
event.data2 = event.data3 = '\r';
else if ( (ev.key.keysym.unicode & 0xFF80) == 0 )
event.data2 = event.data3 = ev.key.keysym.unicode;
else
event.data2 = event.data3 = 0;
#ifdef _XBOX
// Fix for ENTER key on Xbox
if(event.data1 == SDLK_RETURN)
event.data2 = event.data3 = '\r';
#endif
#ifdef WIN32
//HeX9109: Alt+F4 for cheats! Thanks Spleen
if(event.data1 == SDLK_F4 && SDL_GetModState() & (KMOD_LALT | KMOD_RALT))
AddCommandString("menu_quit");
// SoM: Ignore the tab portion of alt-tab presses
if(event.data1 == SDLK_TAB && SDL_GetModState() & (KMOD_LALT | KMOD_RALT))
event.data1 = event.data2 = event.data3 = 0;
else
#endif
D_PostEvent(&event);
break;
case SDL_KEYUP:
event.type = ev_keyup;
event.data1 = ev.key.keysym.sym;
if ( (ev.key.keysym.unicode & 0xFF80) == 0 )
event.data2 = event.data3 = ev.key.keysym.unicode;
else
event.data2 = event.data3 = 0;
D_PostEvent(&event);
break;
case SDL_MOUSEMOTION:
if(flushmouse)
{
flushmouse = false;
break;
}
if (!havefocus)
break;
// denis - ignore artificially inserted events (see SDL_WarpMouse below)
if(ev.motion.x == screen->width/2 &&
ev.motion.y == screen->height/2)
{
break;
}
mouseevent.data2 += AccelerateMouse(ev.motion.xrel);
mouseevent.data3 -= AccelerateMouse(ev.motion.yrel);
sendmouseevent = 1;
break;
case SDL_MOUSEBUTTONDOWN:
if(nomouse || !havefocus)
break;
event.type = ev_keydown;
if(ev.button.button == SDL_BUTTON_LEFT)
{
event.data1 = KEY_MOUSE1;
mbuttons |= 1;
}
else if(ev.button.button == SDL_BUTTON_RIGHT)
{
event.data1 = KEY_MOUSE2;
mbuttons |= 2;
}
else if(ev.button.button == SDL_BUTTON_MIDDLE)
{
event.data1 = KEY_MOUSE3;
mbuttons |= 4;
}
else if(ev.button.button == SDL_BUTTON_WHEELUP)
event.data1 = KEY_MWHEELUP;
else if(ev.button.button == SDL_BUTTON_WHEELDOWN)
event.data1 = KEY_MWHEELDOWN;
D_PostEvent(&event);
break;
case SDL_MOUSEBUTTONUP:
if(nomouse || !havefocus)
break;
event.type = ev_keyup;
if(ev.button.button == SDL_BUTTON_LEFT)
{
event.data1 = KEY_MOUSE1;
mbuttons &= ~1;
}
else if(ev.button.button == SDL_BUTTON_RIGHT)
{
event.data1 = KEY_MOUSE2;
mbuttons &= ~2;
}
else if(ev.button.button == SDL_BUTTON_MIDDLE)
{
event.data1 = KEY_MOUSE3;
mbuttons &= ~4;
}
else if(ev.button.button == SDL_BUTTON_WHEELUP)
event.data1 = KEY_MWHEELUP;
else if(ev.button.button == SDL_BUTTON_WHEELDOWN)
event.data1 = KEY_MWHEELDOWN;
D_PostEvent(&event);
break;
case SDL_JOYBUTTONDOWN:
if(ev.jbutton.which == joy_active)
{
event.type = ev_keydown;
event.data1 = ev.jbutton.button + KEY_JOY1;
event.data2 = event.data1;
D_PostEvent(&event);
break;
}
case SDL_JOYBUTTONUP:
if(ev.jbutton.which == joy_active)
{
event.type = ev_keyup;
event.data1 = ev.jbutton.button + KEY_JOY1;
event.data2 = event.data1;
D_PostEvent(&event);
break;
}
case SDL_JOYAXISMOTION:
if(ev.jaxis.which == joy_active)
{
event.type = ev_joystick;
event.data1 = 0;
event.data2 = ev.jaxis.axis;
if( (ev.jaxis.value < JOY_DEADZONE) && (ev.jaxis.value > -JOY_DEADZONE) )
event.data3 = 0;
else
event.data3 = ev.jaxis.value;
D_PostEvent(&event);
break;
}
case SDL_JOYHATMOTION:
if(ev.jhat.which == joy_active)
{
// Each of these need to be tested because more than one can be pressed and a
// unique event is needed for each
if(ev.jhat.value & SDL_HAT_UP)
RegisterJoystickEvent(&ev, SDL_HAT_UP);
if(ev.jhat.value & SDL_HAT_RIGHT)
RegisterJoystickEvent(&ev, SDL_HAT_RIGHT);
if(ev.jhat.value & SDL_HAT_DOWN)
RegisterJoystickEvent(&ev, SDL_HAT_DOWN);
if(ev.jhat.value & SDL_HAT_LEFT)
RegisterJoystickEvent(&ev, SDL_HAT_LEFT);
break;
}
};
}
if(!nomouse)
{
if(sendmouseevent)
{
mouseevent.data1 = mbuttons;
D_PostEvent(&mouseevent);
}
if(mousegrabbed && screen)
{
SDL_WarpMouse(screen->width/ 2, screen->height / 2);
}
}
if(use_joystick)
UpdateJoystickEvents();
}
//
// I_GetEvent
//
void I_GetEvent (void)
{
event_t event;
event_t mouseevent = {ev_mouse, 0, 0, 0};
static int mbuttons = 0;
int sendmouseevent = 0;
SDL_Event ev;
if (!(SDL_GetAppState()&SDL_APPINPUTFOCUS) && havefocus)
{
havefocus = false;
UngrabMouse();
SetCursorState(true);
}
else if((SDL_GetAppState()&SDL_APPINPUTFOCUS) && !havefocus)
{
havefocus = true;
if(!mousepaused)
I_ResumeMouse();
}
while(SDL_PollEvent(&ev))
{
event.data1 = event.data2 = event.data3 = 0;
switch(ev.type)
{
case SDL_QUIT:
AddCommandString("quit");
break;
case SDL_KEYDOWN:
event.type = ev_keydown;
event.data1 = ev.key.keysym.sym;
if(event.data1 >= SDLK_KP0 && event.data1 <= SDLK_KP9)
event.data2 = event.data3 = '0' + (event.data1 - SDLK_KP0);
else if(event.data1 == SDLK_KP_PERIOD)
event.data2 = event.data3 = '.';
else if(event.data1 == SDLK_KP_DIVIDE)
event.data2 = event.data3 = '/';
else if(event.data1 == SDLK_KP_ENTER)
event.data2 = event.data3 = '\r';
else if ( (ev.key.keysym.unicode & 0xFF80) == 0 )
event.data2 = event.data3 = ev.key.keysym.unicode;
else
event.data2 = event.data3 = 0;
#ifdef WIN32
// SoM: Ignore the tab portion of alt-tab presses
if(event.data1 == SDLK_TAB && SDL_GetModState() & (KMOD_LALT | KMOD_RALT))
event.data1 = event.data2 = event.data3 = 0;
else
#endif
D_PostEvent(&event);
break;
case SDL_KEYUP:
event.type = ev_keyup;
event.data1 = ev.key.keysym.sym;
if ( (ev.key.keysym.unicode & 0xFF80) == 0 )
event.data2 = event.data3 = ev.key.keysym.unicode;
else
event.data2 = event.data3 = 0;
D_PostEvent(&event);
break;
case SDL_MOUSEMOTION:
if(flushmouse)
{
flushmouse = false;
break;
}
// denis - ignore artificially inserted events (see SDL_WarpMouse below)
if(ev.motion.x == screen->width/2 &&
ev.motion.y == screen->height/2)
{
break;
}
mouseevent.data2 += AccelerateMouse(ev.motion.xrel);
mouseevent.data3 -= AccelerateMouse(ev.motion.yrel);
sendmouseevent = 1;
break;
case SDL_MOUSEBUTTONDOWN:
if(nomouse)
break;
event.type = ev_keydown;
if(ev.button.button == SDL_BUTTON_LEFT)
{
event.data1 = KEY_MOUSE1;
mbuttons |= 1;
}
else if(ev.button.button == SDL_BUTTON_RIGHT)
{
event.data1 = KEY_MOUSE2;
mbuttons |= 2;
}
else if(ev.button.button == SDL_BUTTON_MIDDLE)
{
event.data1 = KEY_MOUSE3;
mbuttons |= 4;
}
else if(ev.button.button == SDL_BUTTON_WHEELUP)
event.data1 = KEY_MWHEELUP;
else if(ev.button.button == SDL_BUTTON_WHEELDOWN)
event.data1 = KEY_MWHEELDOWN;
D_PostEvent(&event);
break;
case SDL_MOUSEBUTTONUP:
if(nomouse)
break;
event.type = ev_keyup;
if(ev.button.button == SDL_BUTTON_LEFT)
{
event.data1 = KEY_MOUSE1;
mbuttons &= ~1;
}
else if(ev.button.button == SDL_BUTTON_RIGHT)
{
event.data1 = KEY_MOUSE2;
mbuttons &= ~2;
}
else if(ev.button.button == SDL_BUTTON_MIDDLE)
{
event.data1 = KEY_MOUSE3;
mbuttons &= ~4;
}
else if(ev.button.button == SDL_BUTTON_WHEELUP)
event.data1 = KEY_MWHEELUP;
else if(ev.button.button == SDL_BUTTON_WHEELDOWN)
event.data1 = KEY_MWHEELDOWN;
D_PostEvent(&event);
break;
};
}
if(!nomouse)
{
if(sendmouseevent)
{
mouseevent.data1 = mbuttons;
D_PostEvent(&mouseevent);
}
if(mousegrabbed && screen)
{
SDL_WarpMouse(screen->width/ 2, screen->height / 2);
}
}
}
//
// SDLMouse::SDLMouse
//
SDLMouse::SDLMouse() :
mActive(false)
{
I_ResumeMouse();
}
//
// ISDL12Window::setMode
//
// Sets the window size to the specified size and frees the existing primary
// surface before instantiating a new primary surface. This function performs
// no sanity checks on the desired video mode.
//
// NOTE: If a hardware surface is obtained or the surface's screen pitch
// will create cache thrashing (tested by pitch & 511 == 0), a SDL software
// surface will be created and used for drawing video frames. This software
// surface is then blitted to the screen at the end of the frame, prior to
// calling SDL_Flip.
//
bool ISDL12Window::setMode(uint16_t video_width, uint16_t video_height, uint8_t video_bpp,
bool video_fullscreen, bool vsync)
{
uint32_t flags = 0;
if (vsync)
flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
else
flags |= SDL_SWSURFACE;
if (video_fullscreen)
flags |= SDL_FULLSCREEN;
else
flags |= SDL_RESIZABLE;
if (video_fullscreen && video_bpp == 8)
flags |= SDL_HWPALETTE;
// TODO: check for multicore
flags |= SDL_ASYNCBLIT;
//if (video_fullscreen)
// flags = ((flags & (~SDL_SWSURFACE)) | SDL_HWSURFACE);
#ifdef SDL_GL_SWAP_CONTROL
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, vsync);
#endif
// [SL] SDL_SetVideoMode reinitializes DirectInput if DirectX is being used.
// This interferes with RawWin32Mouse's input handlers so we need to
// disable them prior to reinitalizing DirectInput...
I_PauseMouse();
SDL_Surface* sdl_surface = SDL_SetVideoMode(video_width, video_height, video_bpp, flags);
if (sdl_surface == NULL)
{
I_FatalError("I_SetVideoMode: unable to set video mode %ux%ux%u (%s): %s\n",
video_width, video_height, video_bpp, video_fullscreen ? "fullscreen" : "windowed",
SDL_GetError());
return false;
}
assert(sdl_surface == SDL_GetVideoSurface());
// [SL] ...and re-enable RawWin32Mouse's input handlers after
// DirectInput is reinitalized.
I_ResumeMouse();
PixelFormat format;
I_BuildPixelFormatFromSDLSurface(sdl_surface, &format);
// just in case SDL couldn't set the exact video mode we asked for...
mWidth = sdl_surface->w;
mHeight = sdl_surface->h;
mBitsPerPixel = format.getBitsPerPixel();
mIsFullScreen = (sdl_surface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN;
mUseVSync = vsync;
if (SDL_MUSTLOCK(sdl_surface))
SDL_LockSurface(sdl_surface); // lock prior to accessing pixel format
delete mSurfaceManager;
bool got_hardware_surface = (sdl_surface->flags & SDL_HWSURFACE) == SDL_HWSURFACE;
bool create_software_surface =
(sdl_surface->pitch & 511) == 0 || // pitch is a multiple of 512 (thrashes the cache)
got_hardware_surface; // drawing directly to hardware surfaces is slower
if (create_software_surface)
mSurfaceManager = new ISDL12SoftwareWindowSurfaceManager(mWidth, mHeight, &format);
else
mSurfaceManager = new ISDL12DirectWindowSurfaceManager(mWidth, mHeight, &format);
assert(mSurfaceManager != NULL);
assert(getPrimarySurface() != NULL);
if (SDL_MUSTLOCK(sdl_surface))
SDL_UnlockSurface(sdl_surface);
mVideoMode = IVideoMode(mWidth, mHeight, mBitsPerPixel, mIsFullScreen);
assert(mWidth >= 0 && mWidth <= MAXWIDTH);
assert(mHeight >= 0 && mHeight <= MAXHEIGHT);
assert(mBitsPerPixel == 8 || mBitsPerPixel == 32);
// Tell argb_t the pixel format
if (format.getBitsPerPixel() == 32)
argb_t::setChannels(format.getAPos(), format.getRPos(), format.getGPos(), format.getBPos());
else
argb_t::setChannels(3, 2, 1, 0);
// [SL] SDL can create SDL_VIDEORESIZE events in response to SDL_SetVideoMode
// and we need to filter those out.
mIgnoreResize = true;
return true;
}