irrlicht/source/Irrlicht/CIrrDeviceStub.cpp

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "CIrrDeviceStub.h"
#include "ISceneManager.h"
#include "IEventReceiver.h"
#include "IFileSystem.h"
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#include "IGUIElement.h"
#include "IGUIEnvironment.h"
#include "os.h"
#include "IrrCompileConfig.h"
#include "CTimer.h"
#include "CLogger.h"
#include "irrString.h"
#include "IRandomizer.h"
namespace irr
{
//! constructor
CIrrDeviceStub::CIrrDeviceStub(const SIrrlichtCreationParameters& params)
: IrrlichtDevice(), VideoDriver(0), GUIEnvironment(0), SceneManager(0),
Timer(0), CursorControl(0), UserReceiver(params.EventReceiver),
Logger(0), Operator(0), Randomizer(0), FileSystem(0),
InputReceivingSceneManager(0), VideoModeList(0), ContextManager(0),
CreationParams(params), Close(false)
{
Timer = new CTimer(params.UsePerformanceTimer);
if (os::Printer::Logger)
{
os::Printer::Logger->grab();
Logger = (CLogger*)os::Printer::Logger;
Logger->setReceiver(UserReceiver);
}
else
{
Logger = new CLogger(UserReceiver);
os::Printer::Logger = Logger;
}
Logger->setLogLevel(CreationParams.LoggingLevel);
os::Printer::Logger = Logger;
Randomizer = createDefaultRandomizer();
FileSystem = io::createFileSystem();
VideoModeList = new video::CVideoModeList();
core::stringc s = "Irrlicht Engine version ";
s.append(getVersion());
os::Printer::log(s.c_str(), ELL_INFORMATION);
checkVersion(params.SDK_version_do_not_use);
}
CIrrDeviceStub::~CIrrDeviceStub()
{
VideoModeList->drop();
if (GUIEnvironment)
GUIEnvironment->drop();
if (SceneManager)
SceneManager->drop();
if (VideoDriver)
VideoDriver->drop();
if (ContextManager)
ContextManager->drop();
if ( FileSystem )
FileSystem->drop();
if (InputReceivingSceneManager)
InputReceivingSceneManager->drop();
if (CursorControl)
CursorControl->drop();
if (Operator)
Operator->drop();
if (Randomizer)
Randomizer->drop();
CursorControl = 0;
if (Timer)
Timer->drop();
if (Logger->drop())
os::Printer::Logger = 0;
}
void CIrrDeviceStub::createGUIAndScene()
{
#ifdef _IRR_COMPILE_WITH_GUI_
// create gui environment
GUIEnvironment = gui::createGUIEnvironment(FileSystem, VideoDriver, Operator);
#endif
// create Scene manager
SceneManager = scene::createSceneManager(VideoDriver, FileSystem, CursorControl, GUIEnvironment);
setEventReceiver(UserReceiver);
}
//! returns the video driver
video::IVideoDriver* CIrrDeviceStub::getVideoDriver()
{
return VideoDriver;
}
//! return file system
io::IFileSystem* CIrrDeviceStub::getFileSystem()
{
return FileSystem;
}
//! returns the gui environment
gui::IGUIEnvironment* CIrrDeviceStub::getGUIEnvironment()
{
return GUIEnvironment;
}
//! returns the scene manager
scene::ISceneManager* CIrrDeviceStub::getSceneManager()
{
return SceneManager;
}
//! \return Returns a pointer to the ITimer object. With it the
//! current Time can be received.
ITimer* CIrrDeviceStub::getTimer()
{
return Timer;
}
//! Returns the version of the engine.
const char* CIrrDeviceStub::getVersion() const
{
return IRRLICHT_SDK_VERSION;
}
//! \return Returns a pointer to the mouse cursor control interface.
gui::ICursorControl* CIrrDeviceStub::getCursorControl()
{
return CursorControl;
}
//! \return Returns a pointer to a list with all video modes supported
//! by the gfx adapter.
video::IVideoModeList* CIrrDeviceStub::getVideoModeList()
{
return VideoModeList;
}
//! return the context manager
video::IContextManager* CIrrDeviceStub::getContextManager()
{
return ContextManager;
}
//! checks version of sdk and prints warning if there might be a problem
bool CIrrDeviceStub::checkVersion(const char* version)
{
if (strcmp(getVersion(), version))
{
core::stringc w;
w = "Warning: The library version of the Irrlicht Engine (";
w += getVersion();
w += ") does not match the version the application was compiled with (";
w += version;
w += "). This may cause problems.";
os::Printer::log(w.c_str(), ELL_WARNING);
return false;
}
return true;
}
//! Compares to the last call of this function to return double and triple clicks.
u32 CIrrDeviceStub::checkSuccessiveClicks(s32 mouseX, s32 mouseY, EMOUSE_INPUT_EVENT inputEvent )
{
const s32 MAX_MOUSEMOVE = 3;
irr::u32 clickTime = getTimer()->getRealTime();
if ( (clickTime-MouseMultiClicks.LastClickTime) < MouseMultiClicks.DoubleClickTime
&& core::abs_(MouseMultiClicks.LastClick.X - mouseX ) <= MAX_MOUSEMOVE
&& core::abs_(MouseMultiClicks.LastClick.Y - mouseY ) <= MAX_MOUSEMOVE
&& MouseMultiClicks.CountSuccessiveClicks < 3
&& MouseMultiClicks.LastMouseInputEvent == inputEvent
)
{
++MouseMultiClicks.CountSuccessiveClicks;
}
else
{
MouseMultiClicks.CountSuccessiveClicks = 1;
}
MouseMultiClicks.LastMouseInputEvent = inputEvent;
MouseMultiClicks.LastClickTime = clickTime;
MouseMultiClicks.LastClick.X = mouseX;
MouseMultiClicks.LastClick.Y = mouseY;
return MouseMultiClicks.CountSuccessiveClicks;
}
//! send the event to the right receiver
bool CIrrDeviceStub::postEventFromUser(const SEvent& event)
{
bool absorbed = false;
if (UserReceiver)
absorbed = UserReceiver->OnEvent(event);
if (!absorbed && GUIEnvironment)
absorbed = GUIEnvironment->postEventFromUser(event);
scene::ISceneManager* inputReceiver = InputReceivingSceneManager;
if (!inputReceiver)
inputReceiver = SceneManager;
if (!absorbed && inputReceiver)
absorbed = inputReceiver->postEventFromUser(event);
return absorbed;
}
//! Sets a new event receiver to receive events
void CIrrDeviceStub::setEventReceiver(IEventReceiver* receiver)
{
UserReceiver = receiver;
Logger->setReceiver(receiver);
if (GUIEnvironment)
GUIEnvironment->setUserEventReceiver(receiver);
}
//! Returns poinhter to the current event receiver. Returns 0 if there is none.
IEventReceiver* CIrrDeviceStub::getEventReceiver()
{
return UserReceiver;
}
//! \return Returns a pointer to the logger.
ILogger* CIrrDeviceStub::getLogger()
{
return Logger;
}
//! Returns the operation system opertator object.
IOSOperator* CIrrDeviceStub::getOSOperator()
{
return Operator;
}
//! Provides access to the engine's currently set randomizer.
IRandomizer* CIrrDeviceStub::getRandomizer() const
{
return Randomizer;
}
//! Sets a new randomizer.
void CIrrDeviceStub::setRandomizer(IRandomizer* r)
{
if (r!=Randomizer)
{
if (Randomizer)
Randomizer->drop();
Randomizer=r;
if (Randomizer)
Randomizer->grab();
}
}
namespace
{
struct SDefaultRandomizer : public IRandomizer
{
virtual void reset(s32 value=0x0f0f0f0f) _IRR_OVERRIDE_
{
os::Randomizer::reset(value);
}
virtual s32 rand() const _IRR_OVERRIDE_
{
return os::Randomizer::rand();
}
virtual f32 frand() const _IRR_OVERRIDE_
{
return os::Randomizer::frand();
}
virtual s32 randMax() const _IRR_OVERRIDE_
{
return os::Randomizer::randMax();
}
};
}
//! Creates a new default randomizer.
IRandomizer* CIrrDeviceStub::createDefaultRandomizer() const
{
IRandomizer* r = new SDefaultRandomizer();
if (r)
r->reset();
return r;
}
//! Sets the input receiving scene manager.
void CIrrDeviceStub::setInputReceivingSceneManager(scene::ISceneManager* sceneManager)
{
if (sceneManager)
sceneManager->grab();
if (InputReceivingSceneManager)
InputReceivingSceneManager->drop();
InputReceivingSceneManager = sceneManager;
}
//! Checks if the window is running in fullscreen mode
bool CIrrDeviceStub::isFullscreen() const
{
return CreationParams.Fullscreen;
}
//! returns color format
video::ECOLOR_FORMAT CIrrDeviceStub::getColorFormat() const
{
return video::ECF_R5G6B5;
}
//! No-op in this implementation
bool CIrrDeviceStub::activateJoysticks(core::array<SJoystickInfo> & joystickInfo)
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::activateAccelerometer(float updateInterval)
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::deactivateAccelerometer()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::isAccelerometerActive()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::isAccelerometerAvailable()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::activateGyroscope(float updateInterval)
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::deactivateGyroscope()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::isGyroscopeActive()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::isGyroscopeAvailable()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::activateDeviceMotion(float updateInterval)
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::deactivateDeviceMotion()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::isDeviceMotionActive()
{
return false;
}
//! No-op in this implementation
bool CIrrDeviceStub::isDeviceMotionAvailable()
{
return false;
}
/*!
*/
void CIrrDeviceStub::calculateGammaRamp ( u16 *ramp, f32 gamma, f32 relativebrightness, f32 relativecontrast )
{
s32 i;
s32 value;
s32 rbright = (s32) ( relativebrightness * (65535.f / 4 ) );
f32 rcontrast = 1.f / (255.f - ( relativecontrast * 127.5f ) );
gamma = gamma > 0.f ? 1.0f / gamma : 0.f;
for ( i = 0; i < 256; ++i )
{
value = (s32)(pow( rcontrast * i, gamma)*65535.f + 0.5f );
ramp[i] = (u16) core::s32_clamp ( value + rbright, 0, 65535 );
}
}
void CIrrDeviceStub::calculateGammaFromRamp ( f32 &gamma, const u16 *ramp )
{
/* The following is adapted from a post by Garrett Bass on OpenGL
Gamedev list, March 4, 2000.
*/
f32 sum = 0.0;
s32 i, count = 0;
gamma = 1.0;
for ( i = 1; i < 256; ++i ) {
if ( (ramp[i] != 0) && (ramp[i] != 65535) ) {
f32 B = (f32)i / 256.f;
f32 A = ramp[i] / 65535.f;
sum += (f32) ( logf(A) / logf(B) );
count++;
}
}
if ( count && sum ) {
gamma = 1.0f / (sum / count);
}
}
//! Set the current Gamma Value for the Display
bool CIrrDeviceStub::setGammaRamp( f32 red, f32 green, f32 blue, f32 brightness, f32 contrast )
{
return false;
}
//! Get the current Gamma Value for the Display
bool CIrrDeviceStub::getGammaRamp( f32 &red, f32 &green, f32 &blue, f32 &brightness, f32 &contrast )
{
return false;
}
//! Set the maximal elapsed time between 2 clicks to generate doubleclicks for the mouse. It also affects tripleclick behavior.
void CIrrDeviceStub::setDoubleClickTime( u32 timeMs )
{
MouseMultiClicks.DoubleClickTime = timeMs;
}
//! Get the maximal elapsed time between 2 clicks to generate double- and tripleclicks for the mouse.
u32 CIrrDeviceStub::getDoubleClickTime() const
{
return MouseMultiClicks.DoubleClickTime;
}
//! Remove all messages pending in the system message loop
void CIrrDeviceStub::clearSystemMessages()
{
}
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//! Checks whether the input device should take input from the IME
bool CIrrDeviceStub::acceptsIME()
{
if (!GUIEnvironment)
return false;
gui::IGUIElement *elem = GUIEnvironment->getFocus();
return elem && elem->acceptsIME();
}
} // end namespace irr