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irrlicht/source/Irrlicht/CIrrDeviceSDL.cpp

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// Copyright (C) 2002-2007 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "IrrCompileConfig.h"
#ifdef _IRR_USE_SDL_DEVICE_
#include "CIrrDeviceSDL.h"
#include "IEventReceiver.h"
#include "irrList.h"
#include "os.h"
#include "CTimer.h"
#include "irrString.h"
#include "Keycodes.h"
#include "COSOperator.h"
#include <stdio.h>
#include <stdlib.h>
#include "SIrrCreationParameters.h"
#include <SDL/SDL_syswm.h>
namespace irr
{
namespace video
{
IVideoDriver* createOpenGLDriver(const core::dimension2d<s32>& screenSize,
bool fullscreen, bool stencilBuffer, io::IFileSystem* io, bool vsync, bool antiAlias);
}
} // end namespace irr
namespace irr
{
const char* wmDeleteWindow = "WM_DELETE_WINDOW";
//! constructor
CIrrDeviceSDL::CIrrDeviceSDL(video::E_DRIVER_TYPE driverType,
const core::dimension2d<s32>& windowSize,
u32 bits,
bool fullscreen, bool stencilbuffer, bool vsync,
bool antiAlias, IEventReceiver* receiver,
void* windowID, const char* version)
: CIrrDeviceStub(version, receiver), Depth(bits),
Fullscreen(fullscreen), Stencilbuffer(stencilbuffer), Vsync(vsync),
AntiAlias(antiAlias), Resizeable(false),
Screen((SDL_Surface*)windowID), SDL_Flags(SDL_HWSURFACE|SDL_ANYFORMAT),
Width(windowSize.Width), Height(windowSize.Height), Close(0),
WindowActive(false)
{
#ifdef _DEBUG
setDebugName("CIrrDeviceSDL");
#endif
// Initialize SDL... Timer for sleep, video for the obvious, and
// noparachute prevents SDL from catching fatal errors.
if ( SDL_Init( SDL_INIT_TIMER|SDL_INIT_VIDEO|SDL_INIT_NOPARACHUTE ) < 0 )
{
os::Printer::log( "Unable to initialize SDL!", SDL_GetError());
Close = 1;
}
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
SDL_GetWMInfo(&info);
core::stringc sdlversion = "SDL Version ";
sdlversion += info.version.major;
sdlversion += ".";
sdlversion += info.version.minor;
sdlversion += ".";
sdlversion += info.version.patch;
Operator = new COSOperator(sdlversion.c_str());
os::Printer::log(sdlversion.c_str(), ELL_INFORMATION);
// create keymap
createKeyMap();
// enable key to character translation
SDL_EnableUNICODE(1);
if ( Fullscreen )
SDL_Flags |= SDL_FULLSCREEN;
if (driverType == video::EDT_OPENGL)
SDL_Flags |= SDL_OPENGL;
else
SDL_Flags |= SDL_DOUBLEBUF;
// create window
if (driverType != video::EDT_NULL)
{
// create the window, only if we do not use the null device
createWindow(driverType);
}
// create cursor control
CursorControl = new CCursorControl(this);
// create driver
createDriver(driverType, windowSize);
if (VideoDriver)
createGUIAndScene();
}
//! destructor
CIrrDeviceSDL::~CIrrDeviceSDL()
{
if (Screen)
SDL_FreeSurface(Screen);
SDL_Quit();
}
bool CIrrDeviceSDL::createWindow(video::E_DRIVER_TYPE driverType)
{
if ( Close )
return false;
if (driverType == video::EDT_OPENGL)
{
if (Depth==16)
{
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
}
else
{
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8 );
}
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, Depth);
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
}
if ( !Screen )
Screen = SDL_SetVideoMode( Width, Height, Depth, SDL_Flags );
if ( !Screen )
{
os::Printer::log( "Could not initialize display!" );
return false;
}
return true;
}
//! create the driver
void CIrrDeviceSDL::createDriver(video::E_DRIVER_TYPE driverType,
const core::dimension2d<s32>& windowSize)
{
switch(driverType)
{
case video::EDT_DIRECT3D8:
case video::EDT_DIRECT3D9:
os::Printer::log("This driver is not available in SDL.", ELL_ERROR);
break;
case video::EDT_SOFTWARE:
#ifdef _IRR_COMPILE_WITH_SOFTWARE_
VideoDriver = video::createSoftwareDriver(windowSize, Fullscreen, FileSystem, this);
#else
os::Printer::log("No Software driver support compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_BURNINGSVIDEO:
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
VideoDriver = video::createSoftwareDriver2(windowSize, Fullscreen, FileSystem, this);
#else
os::Printer::log("Burning's video driver was not compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_OPENGL:
#ifdef _IRR_COMPILE_WITH_OPENGL_
VideoDriver = video::createOpenGLDriver(windowSize, Fullscreen, Stencilbuffer, FileSystem, Vsync, AntiAlias);
#else
os::Printer::log("No OpenGL support compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_NULL:
VideoDriver = video::createNullDriver(FileSystem, windowSize);
break;
default:
os::Printer::log("Unable to create video driver of unknown type.", ELL_ERROR);
break;
}
}
//! runs the device. Returns false if device wants to be deleted
bool CIrrDeviceSDL::run()
{
os::Timer::tick();
SEvent irrevent;
while ( !Close && SDL_PollEvent( &SDL_event ) )
{
switch ( SDL_event.type )
{
case SDL_MOUSEMOTION:
irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;
irrevent.MouseInput.Event = irr::EMIE_MOUSE_MOVED;
MouseX = irrevent.MouseInput.X = SDL_event.motion.x;
MouseY = irrevent.MouseInput.Y = SDL_event.motion.y;
postEventFromUser(irrevent);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;
irrevent.MouseInput.X = SDL_event.button.x;
irrevent.MouseInput.Y = SDL_event.button.y;
irrevent.MouseInput.Event = irr::EMIE_MOUSE_MOVED;
switch(SDL_event.button.button)
{
case 1:
irrevent.MouseInput.Event =
(SDL_event.type == SDL_MOUSEBUTTONDOWN) ? irr::EMIE_LMOUSE_PRESSED_DOWN : irr::EMIE_LMOUSE_LEFT_UP;
break;
case 2:
irrevent.MouseInput.Event =
(SDL_event.type == SDL_MOUSEBUTTONDOWN) ? irr::EMIE_RMOUSE_PRESSED_DOWN : irr::EMIE_RMOUSE_LEFT_UP;
break;
case 3:
irrevent.MouseInput.Event =
(SDL_event.type == SDL_MOUSEBUTTONDOWN) ? irr::EMIE_MMOUSE_PRESSED_DOWN : irr::EMIE_MMOUSE_LEFT_UP;
break;
}
if (irrevent.MouseInput.Event != irr::EMIE_MOUSE_MOVED)
postEventFromUser(irrevent);
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
{
SKeyMap mp;
mp.SDLKey = SDL_event.key.keysym.sym;
s32 idx = KeyMap.binary_search(mp);
if (idx != -1)
{
irrevent.EventType = irr::EET_KEY_INPUT_EVENT;
irrevent.KeyInput.Char = SDL_event.key.keysym.unicode;
irrevent.KeyInput.Key = (EKEY_CODE)KeyMap[idx].Win32Key;
irrevent.KeyInput.PressedDown = (SDL_event.type == SDL_KEYDOWN);
irrevent.KeyInput.Shift = SDL_event.key.keysym.mod & KMOD_SHIFT;
irrevent.KeyInput.Control = SDL_event.key.keysym.mod & KMOD_CTRL;
postEventFromUser(irrevent);
}
else
os::Printer::log("Could not find win32 key for SDL key.");
}
break;
case SDL_QUIT:
Close = true;
break;
case SDL_ACTIVEEVENT:
if (SDL_event.active.state == SDL_APPMOUSEFOCUS)
WindowActive = (SDL_event.active.gain==1);
break;
default:
break;
} // end switch
} // end while
return !Close;
}
//! pause execution temporarily
void CIrrDeviceSDL::yield()
{
SDL_Delay(0);
}
//! pause execution for a specified time
void CIrrDeviceSDL::sleep(u32 timeMs, bool pauseTimer)
{
bool wasStopped = Timer ? Timer->isStopped() : true;
if (pauseTimer && !wasStopped)
Timer->stop();
SDL_Delay(timeMs);
if (pauseTimer && !wasStopped)
Timer->start();
}
//! sets the caption of the window
void CIrrDeviceSDL::setWindowCaption(const wchar_t* text)
{
core::stringc textc = text;
SDL_WM_SetCaption( textc.c_str( ), textc.c_str( ) );
}
//! presents a surface in the client area
void CIrrDeviceSDL::present(video::IImage* surface, s32 windowId, core::rect<s32>* src)
{
SDL_Rect srcClip;
SDL_Surface *sdlSurface = SDL_CreateRGBSurfaceFrom (surface->lock(), surface->getDimension().Width, surface->getDimension().Height, surface->getBitsPerPixel(), surface->getPitch(), surface->getRedMask(), surface->getGreenMask(), surface->getBlueMask(), 0);
if (src)
{
srcClip.x = src->UpperLeftCorner.X;
srcClip.y = src->UpperLeftCorner.Y;
srcClip.w = src->getWidth();
srcClip.h = src->getHeight();
SDL_BlitSurface(sdlSurface, &srcClip, Screen, NULL);
}
else
SDL_BlitSurface(sdlSurface, NULL, Screen, NULL);
SDL_UpdateRect(Screen, 0, 0, surface->getDimension().Width, surface->getDimension().Height);
SDL_FreeSurface(sdlSurface);
surface->unlock();
}
//! notifies the device that it should close itself
void CIrrDeviceSDL::closeDevice()
{
Close = true;
}
//! \return Returns a pointer to a list with all video modes supported
video::IVideoModeList* CIrrDeviceSDL::getVideoModeList()
{
if (!VideoModeList.getVideoModeCount())
{
// enumerate video modes.
const SDL_VideoInfo *vi = SDL_GetVideoInfo();
SDL_Rect **modes = SDL_ListModes(vi->vfmt, SDL_Flags);
if (modes != (SDL_Rect **)0)
{
if (modes == (SDL_Rect **)-1)
os::Printer::log("All modes available.\n");
else
{
for (u32 i=0; modes[i]; ++i)
VideoModeList.addMode(core::dimension2d<s32>(modes[i]->w, modes[i]->h), vi->vfmt->BitsPerPixel);
}
}
}
return &VideoModeList;
}
//! Sets if the window should be resizeable in windowed mode.
void CIrrDeviceSDL::setResizeAble(bool resize)
{
if (resize != Resizeable)
{
if (resize)
SDL_Flags |= SDL_RESIZABLE;
else
SDL_Flags &= ~SDL_RESIZABLE;
SDL_FreeSurface(Screen);
Screen = SDL_SetVideoMode( Width, Height, Depth, SDL_Flags );
Resizeable = resize;
}
}
//! returns if window is active. if not, nothing need to be drawn
bool CIrrDeviceSDL::isWindowActive() const
{
return WindowActive;
}
void CIrrDeviceSDL::createKeyMap()
{
// I don't know if this is the best method to create
// the lookuptable, but I'll leave it like that until
// I find a better version.
// buttons missing
KeyMap.push_back(SKeyMap(SDLK_BACKSPACE, KEY_BACK));
KeyMap.push_back(SKeyMap(SDLK_TAB, KEY_TAB));
KeyMap.push_back(SKeyMap(SDLK_CLEAR, KEY_CLEAR));
KeyMap.push_back(SKeyMap(SDLK_RETURN, KEY_RETURN));
// combined modifiers missing
KeyMap.push_back(SKeyMap(SDLK_PAUSE, KEY_PAUSE));
KeyMap.push_back(SKeyMap(SDLK_CAPSLOCK, KEY_CAPITAL));
// asian letter keys missing
KeyMap.push_back(SKeyMap(SDLK_ESCAPE, KEY_ESCAPE));
// asian letter keys missing
KeyMap.push_back(SKeyMap(SDLK_SPACE, KEY_SPACE));
KeyMap.push_back(SKeyMap(SDLK_PAGEUP, KEY_PRIOR));
KeyMap.push_back(SKeyMap(SDLK_PAGEDOWN, KEY_NEXT));
KeyMap.push_back(SKeyMap(SDLK_END, KEY_END));
KeyMap.push_back(SKeyMap(SDLK_HOME, KEY_HOME));
KeyMap.push_back(SKeyMap(SDLK_LEFT, KEY_LEFT));
KeyMap.push_back(SKeyMap(SDLK_UP, KEY_UP));
KeyMap.push_back(SKeyMap(SDLK_RIGHT, KEY_RIGHT));
KeyMap.push_back(SKeyMap(SDLK_DOWN, KEY_DOWN));
// select missing
KeyMap.push_back(SKeyMap(SDLK_PRINT, KEY_PRINT));
// execute missing
KeyMap.push_back(SKeyMap(SDLK_PRINT, KEY_SNAPSHOT));
KeyMap.push_back(SKeyMap(SDLK_INSERT, KEY_INSERT));
KeyMap.push_back(SKeyMap(SDLK_DELETE, KEY_DELETE));
KeyMap.push_back(SKeyMap(SDLK_HELP, KEY_HELP));
KeyMap.push_back(SKeyMap(SDLK_0, KEY_KEY_0));
KeyMap.push_back(SKeyMap(SDLK_1, KEY_KEY_1));
KeyMap.push_back(SKeyMap(SDLK_2, KEY_KEY_2));
KeyMap.push_back(SKeyMap(SDLK_3, KEY_KEY_3));
KeyMap.push_back(SKeyMap(SDLK_4, KEY_KEY_4));
KeyMap.push_back(SKeyMap(SDLK_5, KEY_KEY_5));
KeyMap.push_back(SKeyMap(SDLK_6, KEY_KEY_6));
KeyMap.push_back(SKeyMap(SDLK_7, KEY_KEY_7));
KeyMap.push_back(SKeyMap(SDLK_8, KEY_KEY_8));
KeyMap.push_back(SKeyMap(SDLK_9, KEY_KEY_9));
KeyMap.push_back(SKeyMap(SDLK_a, KEY_KEY_A));
KeyMap.push_back(SKeyMap(SDLK_b, KEY_KEY_B));
KeyMap.push_back(SKeyMap(SDLK_c, KEY_KEY_C));
KeyMap.push_back(SKeyMap(SDLK_d, KEY_KEY_D));
KeyMap.push_back(SKeyMap(SDLK_e, KEY_KEY_E));
KeyMap.push_back(SKeyMap(SDLK_f, KEY_KEY_F));
KeyMap.push_back(SKeyMap(SDLK_g, KEY_KEY_G));
KeyMap.push_back(SKeyMap(SDLK_h, KEY_KEY_H));
KeyMap.push_back(SKeyMap(SDLK_i, KEY_KEY_I));
KeyMap.push_back(SKeyMap(SDLK_j, KEY_KEY_J));
KeyMap.push_back(SKeyMap(SDLK_k, KEY_KEY_K));
KeyMap.push_back(SKeyMap(SDLK_l, KEY_KEY_L));
KeyMap.push_back(SKeyMap(SDLK_m, KEY_KEY_M));
KeyMap.push_back(SKeyMap(SDLK_n, KEY_KEY_N));
KeyMap.push_back(SKeyMap(SDLK_o, KEY_KEY_O));
KeyMap.push_back(SKeyMap(SDLK_p, KEY_KEY_P));
KeyMap.push_back(SKeyMap(SDLK_q, KEY_KEY_Q));
KeyMap.push_back(SKeyMap(SDLK_r, KEY_KEY_R));
KeyMap.push_back(SKeyMap(SDLK_s, KEY_KEY_S));
KeyMap.push_back(SKeyMap(SDLK_t, KEY_KEY_T));
KeyMap.push_back(SKeyMap(SDLK_u, KEY_KEY_U));
KeyMap.push_back(SKeyMap(SDLK_v, KEY_KEY_V));
KeyMap.push_back(SKeyMap(SDLK_w, KEY_KEY_W));
KeyMap.push_back(SKeyMap(SDLK_x, KEY_KEY_X));
KeyMap.push_back(SKeyMap(SDLK_y, KEY_KEY_Y));
KeyMap.push_back(SKeyMap(SDLK_z, KEY_KEY_Z));
KeyMap.push_back(SKeyMap(SDLK_LSUPER, KEY_LWIN));
KeyMap.push_back(SKeyMap(SDLK_RSUPER, KEY_RWIN));
// apps missing
KeyMap.push_back(SKeyMap(SDLK_POWER, KEY_SLEEP)); //??
KeyMap.push_back(SKeyMap(SDLK_KP0, KEY_NUMPAD0));
KeyMap.push_back(SKeyMap(SDLK_KP1, KEY_NUMPAD1));
KeyMap.push_back(SKeyMap(SDLK_KP2, KEY_NUMPAD2));
KeyMap.push_back(SKeyMap(SDLK_KP3, KEY_NUMPAD3));
KeyMap.push_back(SKeyMap(SDLK_KP4, KEY_NUMPAD4));
KeyMap.push_back(SKeyMap(SDLK_KP5, KEY_NUMPAD5));
KeyMap.push_back(SKeyMap(SDLK_KP6, KEY_NUMPAD6));
KeyMap.push_back(SKeyMap(SDLK_KP7, KEY_NUMPAD7));
KeyMap.push_back(SKeyMap(SDLK_KP8, KEY_NUMPAD8));
KeyMap.push_back(SKeyMap(SDLK_KP9, KEY_NUMPAD9));
KeyMap.push_back(SKeyMap(SDLK_KP_MULTIPLY, KEY_MULTIPLY));
KeyMap.push_back(SKeyMap(SDLK_KP_PLUS, KEY_ADD));
// KeyMap.push_back(SKeyMap(SDLK_KP_, KEY_SEPARATOR));
KeyMap.push_back(SKeyMap(SDLK_KP_MINUS, KEY_SUBTRACT));
KeyMap.push_back(SKeyMap(SDLK_KP_PERIOD, KEY_DECIMAL));
KeyMap.push_back(SKeyMap(SDLK_KP_DIVIDE, KEY_DIVIDE));
KeyMap.push_back(SKeyMap(SDLK_F1, KEY_F1));
KeyMap.push_back(SKeyMap(SDLK_F2, KEY_F2));
KeyMap.push_back(SKeyMap(SDLK_F3, KEY_F3));
KeyMap.push_back(SKeyMap(SDLK_F4, KEY_F4));
KeyMap.push_back(SKeyMap(SDLK_F5, KEY_F5));
KeyMap.push_back(SKeyMap(SDLK_F6, KEY_F6));
KeyMap.push_back(SKeyMap(SDLK_F7, KEY_F7));
KeyMap.push_back(SKeyMap(SDLK_F8, KEY_F8));
KeyMap.push_back(SKeyMap(SDLK_F9, KEY_F9));
KeyMap.push_back(SKeyMap(SDLK_F10, KEY_F10));
KeyMap.push_back(SKeyMap(SDLK_F11, KEY_F11));
KeyMap.push_back(SKeyMap(SDLK_F12, KEY_F12));
KeyMap.push_back(SKeyMap(SDLK_F13, KEY_F13));
KeyMap.push_back(SKeyMap(SDLK_F14, KEY_F14));
KeyMap.push_back(SKeyMap(SDLK_F15, KEY_F15));
// no higher F-keys
KeyMap.push_back(SKeyMap(SDLK_NUMLOCK, KEY_NUMLOCK));
KeyMap.push_back(SKeyMap(SDLK_SCROLLOCK, KEY_SCROLL));
KeyMap.push_back(SKeyMap(SDLK_LSHIFT, KEY_LSHIFT));
KeyMap.push_back(SKeyMap(SDLK_RSHIFT, KEY_RSHIFT));
KeyMap.push_back(SKeyMap(SDLK_LCTRL, KEY_LCONTROL));
KeyMap.push_back(SKeyMap(SDLK_RCTRL, KEY_RCONTROL));
KeyMap.push_back(SKeyMap(SDLK_LALT, KEY_LMENU));
KeyMap.push_back(SKeyMap(SDLK_RALT, KEY_RMENU));
KeyMap.push_back(SKeyMap(SDLK_PLUS, KEY_PLUS));
KeyMap.push_back(SKeyMap(SDLK_COMMA, KEY_COMMA));
KeyMap.push_back(SKeyMap(SDLK_MINUS, KEY_MINUS));
KeyMap.push_back(SKeyMap(SDLK_PERIOD, KEY_PERIOD));
// some special keys missing
KeyMap.sort();
}
IRRLICHT_API IrrlichtDevice* IRRCALLCONV createDeviceEx(const SIrrlichtCreationParameters& param)
{
CIrrDeviceSDL* dev = new CIrrDeviceSDL(
param.DriverType,
param.WindowSize,
param.Bits,
param.Fullscreen,
param.Stencilbuffer,
param.Vsync,
param.AntiAlias,
param.EventReceiver,
param.WindowId,
param.SDK_version_do_not_use);
if (dev && !dev->getVideoDriver() && param.DriverType != video::EDT_NULL)
{
dev->drop();
dev = 0;
}
return dev;
}
} // end namespace irr
#endif // _IRR_USE_SDL_DEVICE_
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