irrlicht/source/Irrlicht/CIrrDeviceConsole.cpp

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// Copyright (C) 2009-2012 Gaz Davidson
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "CIrrDeviceConsole.h"
#ifdef _IRR_COMPILE_WITH_CONSOLE_DEVICE_
#include "os.h"
#include "IGUISkin.h"
#include "IGUIEnvironment.h"
// to close the device on terminate signal
irr::CIrrDeviceConsole *DeviceToClose;
#ifdef _IRR_WINDOWS_NT_CONSOLE_
// Callback for Windows
BOOL WINAPI ConsoleHandler(DWORD CEvent)
{
switch(CEvent)
{
case CTRL_C_EVENT:
irr::os::Printer::log("Closing console device", "CTRL+C");
break;
case CTRL_BREAK_EVENT:
irr::os::Printer::log("Closing console device", "CTRL+Break");
break;
case CTRL_CLOSE_EVENT:
irr::os::Printer::log("Closing console device", "User closed console");
break;
case CTRL_LOGOFF_EVENT:
irr::os::Printer::log("Closing console device", "User is logging off");
break;
case CTRL_SHUTDOWN_EVENT:
irr::os::Printer::log("Closing console device", "Computer shutting down");
break;
}
DeviceToClose->closeDevice();
return TRUE;
}
#elif defined(_IRR_POSIX_API_)
// sigterm handler
#include <signal.h>
void sighandler(int sig)
{
irr::core::stringc code = "Signal ";
code += sig;
code += " received";
irr::os::Printer::log("Closing console device", code.c_str());
DeviceToClose->closeDevice();
}
#endif
namespace irr
{
const c8 ASCIIArtChars[] = " .,'~:;!+>=icopjtJY56SB8XDQKHNWM"; //MWNHKQDX8BS65YJtjpoci=+>!;:~',. ";
const u16 ASCIIArtCharsCount = 32;
//const c8 ASCIIArtChars[] = " \xb0\xb1\xf9\xb2\xdb";
//const u16 ASCIIArtCharsCount = 5;
//! constructor
CIrrDeviceConsole::CIrrDeviceConsole(const SIrrlichtCreationParameters& params)
: CIrrDeviceStub(params), IsWindowFocused(true), ConsoleFont(0), OutFile(stdout)
{
DeviceToClose = this;
#ifdef _IRR_WINDOWS_NT_CONSOLE_
MouseButtonStates = 0;
WindowsSTDIn = GetStdHandle(STD_INPUT_HANDLE);
WindowsSTDOut = GetStdHandle(STD_OUTPUT_HANDLE);
if (CreationParams.Fullscreen)
{
PCOORD dimensions = 0;
if (SetConsoleDisplayMode(WindowsSTDOut, CONSOLE_FULLSCREEN_MODE, dimensions))
{
CreationParams.WindowSize.Width = dimensions->X;
CreationParams.WindowSize.Width = dimensions->Y;
}
}
else
{
COORD ConsoleSize;
ConsoleSize.X = CreationParams.WindowSize.Width;
ConsoleSize.X = CreationParams.WindowSize.Height;
SetConsoleScreenBufferSize(WindowsSTDOut, ConsoleSize);
}
// catch windows close/break signals
SetConsoleCtrlHandler((PHANDLER_ROUTINE)ConsoleHandler, TRUE);
#elif defined(_IRR_POSIX_API_)
// catch other signals
signal(SIGABRT, &sighandler);
signal(SIGTERM, &sighandler);
signal(SIGINT, &sighandler);
// set output stream
if (params.WindowId)
OutFile = (FILE*)(params.WindowId);
#endif
#ifdef _IRR_VT100_CONSOLE_
// reset terminal
fprintf(OutFile, "%cc", 27);
// disable line wrapping
fprintf(OutFile, "%c[7l", 27);
#endif
switch (params.DriverType)
{
case video::EDT_SOFTWARE:
#ifdef _IRR_COMPILE_WITH_SOFTWARE_
VideoDriver = video::createSoftwareDriver(CreationParams.WindowSize, CreationParams.Fullscreen, FileSystem, this);
#else
os::Printer::log("Software driver was not compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_BURNINGSVIDEO:
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
VideoDriver = video::createBurningVideoDriver(CreationParams, FileSystem, this);
#else
os::Printer::log("Burning's Video driver was not compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_DIRECT3D9:
case video::EDT_OPENGL:
os::Printer::log("The console device cannot use hardware drivers yet.", ELL_ERROR);
break;
case video::EDT_NULL:
VideoDriver = video::createNullDriver(FileSystem, CreationParams.WindowSize);
break;
default:
os::Printer::log("Unsupported device.", ELL_ERROR);
break;
}
// set up output buffer
for (u32 y=0; y<CreationParams.WindowSize.Height; ++y)
{
core::stringc str;
str.reserve(CreationParams.WindowSize.Width);
for (u32 x=0; x<CreationParams.WindowSize.Width; ++x)
str += " ";
OutputBuffer.push_back(str);
}
#ifdef _IRR_WINDOWS_NT_CONSOLE_
CursorControl = new CCursorControl(CreationParams.WindowSize);
#endif
if (VideoDriver)
{
createGUIAndScene();
#ifdef _IRR_USE_CONSOLE_FONT_
if (GUIEnvironment)
{
ConsoleFont = new gui::CGUIConsoleFont(this);
gui::IGUISkin *skin = GUIEnvironment->getSkin();
if (skin)
{
for (u32 i=0; i < gui::EGDF_COUNT; ++i)
skin->setFont(ConsoleFont, gui::EGUI_DEFAULT_FONT(i));
}
}
#endif
}
}
//! destructor
CIrrDeviceConsole::~CIrrDeviceConsole()
{
// GUI and scene are dropped in the stub
if (CursorControl)
{
CursorControl->drop();
CursorControl = 0;
}
if (ConsoleFont)
{
ConsoleFont->drop();
ConsoleFont = 0;
}
#ifdef _IRR_VT100_CONSOLE_
// reset terminal
fprintf(OutFile, "%cc", 27);
#endif
}
//! runs the device. Returns false if device wants to be deleted
bool CIrrDeviceConsole::run()
{
// increment timer
os::Timer::tick();
// process Windows console input
#ifdef _IRR_WINDOWS_NT_CONSOLE_
INPUT_RECORD in;
DWORD oldMode;
DWORD count, waste;
// get old input mode
GetConsoleMode(WindowsSTDIn, &oldMode);
SetConsoleMode(WindowsSTDIn, ENABLE_WINDOW_INPUT | ENABLE_MOUSE_INPUT);
GetNumberOfConsoleInputEvents(WindowsSTDIn, &count);
// read keyboard and mouse input
while (count)
{
ReadConsoleInput(WindowsSTDIn, &in, 1, &waste );
switch(in.EventType)
{
case KEY_EVENT:
{
SEvent e;
e.EventType = EET_KEY_INPUT_EVENT;
e.KeyInput.PressedDown = (in.Event.KeyEvent.bKeyDown == TRUE);
e.KeyInput.Control = (in.Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) != 0;
e.KeyInput.Shift = (in.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) != 0;
e.KeyInput.Key = EKEY_CODE(in.Event.KeyEvent.wVirtualKeyCode);
e.KeyInput.Char = in.Event.KeyEvent.uChar.UnicodeChar;
postEventFromUser(e);
break;
}
case MOUSE_EVENT:
{
SEvent e;
e.EventType = EET_MOUSE_INPUT_EVENT;
e.MouseInput.X = in.Event.MouseEvent.dwMousePosition.X;
e.MouseInput.Y = in.Event.MouseEvent.dwMousePosition.Y;
e.MouseInput.Wheel = 0.f;
e.MouseInput.ButtonStates =
( (in.Event.MouseEvent.dwButtonState & FROM_LEFT_1ST_BUTTON_PRESSED) ? EMBSM_LEFT : 0 ) |
( (in.Event.MouseEvent.dwButtonState & RIGHTMOST_BUTTON_PRESSED) ? EMBSM_RIGHT : 0 ) |
( (in.Event.MouseEvent.dwButtonState & FROM_LEFT_2ND_BUTTON_PRESSED) ? EMBSM_MIDDLE : 0 ) |
( (in.Event.MouseEvent.dwButtonState & FROM_LEFT_3RD_BUTTON_PRESSED) ? EMBSM_EXTRA1 : 0 ) |
( (in.Event.MouseEvent.dwButtonState & FROM_LEFT_4TH_BUTTON_PRESSED) ? EMBSM_EXTRA2 : 0 );
if (in.Event.MouseEvent.dwEventFlags & MOUSE_MOVED)
{
CursorControl->setPosition(core::position2di(e.MouseInput.X, e.MouseInput.Y));
// create mouse moved event
e.MouseInput.Event = EMIE_MOUSE_MOVED;
postEventFromUser(e);
}
if (in.Event.MouseEvent.dwEventFlags & MOUSE_WHEELED)
{
e.MouseInput.Event = EMIE_MOUSE_WHEEL;
e.MouseInput.Wheel = (in.Event.MouseEvent.dwButtonState & 0xFF000000) ? -1.0f : 1.0f;
postEventFromUser(e);
}
if ( (MouseButtonStates & EMBSM_LEFT) != (e.MouseInput.ButtonStates & EMBSM_LEFT) )
{
e.MouseInput.Event = (e.MouseInput.ButtonStates & EMBSM_LEFT) ? EMIE_LMOUSE_PRESSED_DOWN : EMIE_LMOUSE_LEFT_UP;
postEventFromUser(e);
}
if ( (MouseButtonStates & EMBSM_RIGHT) != (e.MouseInput.ButtonStates & EMBSM_RIGHT) )
{
e.MouseInput.Event = (e.MouseInput.ButtonStates & EMBSM_RIGHT) ? EMIE_RMOUSE_PRESSED_DOWN : EMIE_RMOUSE_LEFT_UP;
postEventFromUser(e);
}
if ( (MouseButtonStates & EMBSM_MIDDLE) != (e.MouseInput.ButtonStates & EMBSM_MIDDLE) )
{
e.MouseInput.Event = (e.MouseInput.ButtonStates & EMBSM_MIDDLE) ? EMIE_MMOUSE_PRESSED_DOWN : EMIE_MMOUSE_LEFT_UP;
postEventFromUser(e);
}
// save current button states
MouseButtonStates = e.MouseInput.ButtonStates;
break;
}
case WINDOW_BUFFER_SIZE_EVENT:
VideoDriver->OnResize(
core::dimension2d<u32>(in.Event.WindowBufferSizeEvent.dwSize.X,
in.Event.WindowBufferSizeEvent.dwSize.Y));
break;
case FOCUS_EVENT:
IsWindowFocused = (in.Event.FocusEvent.bSetFocus == TRUE);
break;
default:
break;
}
GetNumberOfConsoleInputEvents(WindowsSTDIn, &count);
}
// set input mode
SetConsoleMode(WindowsSTDIn, oldMode);
#else
// todo: keyboard input from terminal in raw mode
#endif
return !Close;
}
//! Cause the device to temporarily pause execution and let other processes to run
// This should bring down processor usage without major performance loss for Irrlicht
void CIrrDeviceConsole::yield()
{
#ifdef _IRR_WINDOWS_API_
Sleep(1);
#else
struct timespec ts = {0,0};
nanosleep(&ts, NULL);
#endif
}
//! Pause execution and let other processes to run for a specified amount of time.
void CIrrDeviceConsole::sleep(u32 timeMs, bool pauseTimer)
{
const bool wasStopped = Timer ? Timer->isStopped() : true;
#ifdef _IRR_WINDOWS_API_
Sleep(timeMs);
#else
struct timespec ts;
ts.tv_sec = (time_t) (timeMs / 1000);
ts.tv_nsec = (long) (timeMs % 1000) * 1000000;
if (pauseTimer && !wasStopped)
Timer->stop();
nanosleep(&ts, NULL);
#endif
if (pauseTimer && !wasStopped)
Timer->start();
}
//! sets the caption of the window
void CIrrDeviceConsole::setWindowCaption(const wchar_t* text)
{
#ifdef _IRR_WINDOWS_NT_CONSOLE_
SetConsoleTitleW(text);
#endif
}
//! returns if window is active. if not, nothing need to be drawn
bool CIrrDeviceConsole::isWindowActive() const
{
// there is no window, but we always assume it is active
return true;
}
//! returns if window has focus
bool CIrrDeviceConsole::isWindowFocused() const
{
return IsWindowFocused;
}
//! returns if window is minimized
bool CIrrDeviceConsole::isWindowMinimized() const
{
return false;
}
//! presents a surface in the client area
bool CIrrDeviceConsole::present(video::IImage* surface, void* windowId, core::rect<s32>* src)
{
if (surface)
{
for (u32 y=0; y < surface->getDimension().Height; ++y)
{
for (u32 x=0; x< surface->getDimension().Width; ++x)
{
// get average pixel
u32 avg = surface->getPixel(x,y).getAverage() * (ASCIIArtCharsCount-1);
avg /= 255;
OutputBuffer[y] [x] = ASCIIArtChars[avg];
}
}
}
#ifdef _IRR_USE_CONSOLE_FONT_
for (u32 i=0; i< Text.size(); ++i)
{
s32 y = Text[i].Pos.Y;
if ( y < (s32)OutputBuffer.size() && y > 0)
for (u32 c=0; c < Text[i].Text.size() && c + Text[i].Pos.X < OutputBuffer[y].size(); ++c)
//if (Text[i].Text[c] != ' ')
OutputBuffer[y] [c+Text[i].Pos.X] = Text[i].Text[c];
}
Text.clear();
#endif
// draw output
for (u32 y=0; y<OutputBuffer.size(); ++y)
{
setTextCursorPos(0,y);
fprintf(OutFile, "%s", OutputBuffer[y].c_str());
}
return surface != 0;
}
//! notifies the device that it should close itself
void CIrrDeviceConsole::closeDevice()
{
// return false next time we run()
Close = true;
}
//! Sets if the window should be resizable in windowed mode.
void CIrrDeviceConsole::setResizable(bool resize)
{
// do nothing
}
//! Minimize the window.
void CIrrDeviceConsole::minimizeWindow()
{
// do nothing
}
//! Maximize window
void CIrrDeviceConsole::maximizeWindow()
{
// do nothing
}
//! Restore original window size
void CIrrDeviceConsole::restoreWindow()
{
// do nothing
}
void CIrrDeviceConsole::setTextCursorPos(s16 x, s16 y)
{
#ifdef _IRR_WINDOWS_NT_CONSOLE_
// move WinNT cursor
COORD Position;
Position.X = x;
Position.Y = y;
SetConsoleCursorPosition(WindowsSTDOut, Position);
#elif defined(_IRR_VT100_CONSOLE_)
// send escape code
fprintf(OutFile, "%c[%d;%dH", 27, y, x);
#else
// not implemented
#endif
}
void CIrrDeviceConsole::addPostPresentText(s16 X, s16 Y, const wchar_t *text)
{
SPostPresentText p;
p.Text = text;
p.Pos.X = X;
p.Pos.Y = Y;
Text.push_back(p);
}
} // end namespace irr
#endif // _IRR_COMPILE_WITH_CONSOLE_DEVICE_