irrlicht/source/Irrlicht/CIrrDeviceConsole.h

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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
#ifndef IRR_C_IRR_DEVICE_CONSOLE_H_INCLUDED
#define IRR_C_IRR_DEVICE_CONSOLE_H_INCLUDED
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_CONSOLE_DEVICE_
//#define _IRR_USE_CONSOLE_FONT_
#include "SIrrCreationParameters.h"
#include "CIrrDeviceStub.h"
#include "IImagePresenter.h"
// for console font
#include "IGUIFont.h"
#ifdef _IRR_WINDOWS_API_
#define WIN32_LEAN_AND_MEAN
#if !defined(_IRR_XBOX_PLATFORM_)
#include <windows.h>
#endif
#if(_WIN32_WINNT >= 0x0500)
#define _IRR_WINDOWS_NT_CONSOLE_
#endif
#else
#include <time.h>
#endif
// for now we assume all other terminal types are VT100
#ifndef _IRR_WINDOWS_NT_CONSOLE_
#define _IRR_VT100_CONSOLE_
#endif
namespace irr
{
class CIrrDeviceConsole : public CIrrDeviceStub, video::IImagePresenter
{
public:
//! constructor
CIrrDeviceConsole(const SIrrlichtCreationParameters& params);
//! destructor
virtual ~CIrrDeviceConsole();
//! runs the device. Returns false if device wants to be deleted
virtual bool run() IRR_OVERRIDE;
//! 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
virtual void yield() IRR_OVERRIDE;
//! Pause execution and let other processes to run for a specified amount of time.
virtual void sleep(u32 timeMs, bool pauseTimer) IRR_OVERRIDE;
//! sets the caption of the window
virtual void setWindowCaption(const wchar_t* text) IRR_OVERRIDE;
//! returns if window is active. if not, nothing need to be drawn
virtual bool isWindowActive() const IRR_OVERRIDE;
//! returns if window has focus
virtual bool isWindowFocused() const IRR_OVERRIDE;
//! returns if window is minimized
virtual bool isWindowMinimized() const IRR_OVERRIDE;
//! returns current window position (not supported for this device)
virtual core::position2di getWindowPosition() IRR_OVERRIDE
{
return core::position2di(-1, -1);
}
//! presents a surface in the client area
virtual bool present(video::IImage* surface, void* windowId=0, core::rect<s32>* src=0) IRR_OVERRIDE;
//! notifies the device that it should close itself
virtual void closeDevice() IRR_OVERRIDE;
//! Sets if the window should be resizable in windowed mode.
virtual void setResizable(bool resize=false) IRR_OVERRIDE;
//! Minimizes the window.
virtual void minimizeWindow() IRR_OVERRIDE;
//! Maximizes the window.
virtual void maximizeWindow() IRR_OVERRIDE;
//! Restores the window size.
virtual void restoreWindow() IRR_OVERRIDE;
//! Get the device type
virtual E_DEVICE_TYPE getType() const IRR_OVERRIDE
{
return EIDT_CONSOLE;
}
void addPostPresentText(s16 X, s16 Y, const wchar_t *text);
//! Implementation of the win32 console mouse cursor
class CCursorControl : public gui::ICursorControl
{
public:
CCursorControl(const core::dimension2d<u32>& wsize)
: WindowSize(wsize), InvWindowSize(0.0f, 0.0f), IsVisible(true), UseReferenceRect(false)
{
if (WindowSize.Width!=0)
InvWindowSize.Width = 1.0f / WindowSize.Width;
if (WindowSize.Height!=0)
InvWindowSize.Height = 1.0f / WindowSize.Height;
}
//! Changes the visible state of the mouse cursor.
virtual void setVisible(bool visible) IRR_OVERRIDE
{
if(visible != IsVisible)
{
IsVisible = visible;
setPosition(CursorPos.X, CursorPos.Y);
}
}
//! Returns if the cursor is currently visible.
virtual bool isVisible() const IRR_OVERRIDE
{
return IsVisible;
}
//! Sets the new position of the cursor.
virtual void setPosition(const core::position2d<f32> &pos) IRR_OVERRIDE
{
setPosition(pos.X, pos.Y);
}
//! Sets the new position of the cursor.
virtual void setPosition(f32 x, f32 y) IRR_OVERRIDE
{
if (!UseReferenceRect)
setPosition((s32)(x*WindowSize.Width), (s32)(y*WindowSize.Height));
else
setPosition((s32)(x*ReferenceRect.getWidth()), (s32)(y*ReferenceRect.getHeight()));
}
//! Sets the new position of the cursor.
virtual void setPosition(const core::position2d<s32> &pos) IRR_OVERRIDE
{
setPosition(pos.X, pos.Y);
}
//! Sets the new position of the cursor.
virtual void setPosition(s32 x, s32 y) IRR_OVERRIDE
{
setInternalCursorPosition(core::position2di(x,y));
}
//! Returns the current position of the mouse cursor.
virtual const core::position2d<s32>& getPosition(bool updateCursor) IRR_OVERRIDE
{
return CursorPos;
}
//! Returns the current position of the mouse cursor.
virtual core::position2d<f32> getRelativePosition(bool updateCursor) IRR_OVERRIDE
{
if (!UseReferenceRect)
{
return core::position2d<f32>(CursorPos.X * InvWindowSize.Width,
CursorPos.Y * InvWindowSize.Height);
}
return core::position2d<f32>(CursorPos.X / (f32)ReferenceRect.getWidth(),
CursorPos.Y / (f32)ReferenceRect.getHeight());
}
//! Sets an absolute reference rect for calculating the cursor position.
virtual void setReferenceRect(core::rect<s32>* rect=0) IRR_OVERRIDE
{
if (rect)
{
ReferenceRect = *rect;
UseReferenceRect = true;
// prevent division through zero and uneven sizes
if (!ReferenceRect.getHeight() || ReferenceRect.getHeight()%2)
ReferenceRect.LowerRightCorner.Y += 1;
if (!ReferenceRect.getWidth() || ReferenceRect.getWidth()%2)
ReferenceRect.LowerRightCorner.X += 1;
}
else
UseReferenceRect = false;
}
//! Updates the internal cursor position
void setInternalCursorPosition(const core::position2di &pos)
{
CursorPos = pos;
if (UseReferenceRect)
CursorPos -= ReferenceRect.UpperLeftCorner;
}
private:
core::position2d<s32> CursorPos;
core::dimension2d<u32> WindowSize;
core::dimension2d<f32> InvWindowSize;
bool IsVisible;
bool UseReferenceRect;
core::rect<s32> ReferenceRect;
};
private:
//! Set the position of the text caret
void setTextCursorPos(s16 x, s16 y);
// text to be added after drawing the screen
struct SPostPresentText
{
core::position2d<s16> Pos;
core::stringc Text;
};
bool IsWindowFocused;
core::array<core::stringc> OutputBuffer;
gui::IGUIFont *ConsoleFont;
core::array<SPostPresentText> Text;
FILE *OutFile;
#ifdef _IRR_WINDOWS_NT_CONSOLE_
HANDLE WindowsSTDIn, WindowsSTDOut;
u32 MouseButtonStates;
#endif
};
#ifdef _IRR_USE_CONSOLE_FONT_
namespace gui
{
class CGUIConsoleFont : public IGUIFont
{
public:
CGUIConsoleFont(CIrrDeviceConsole* device) : Device(device) { }
//! Draws some text and clips it to the specified rectangle if wanted.
virtual void draw(const wchar_t* text, const core::rect<s32>& position,
video::SColor color, bool hcenter=false, bool vcenter=false,
const core::rect<s32>* clip=0) IRR_OVERRIDE
{
core::rect<s32> Area = clip ? *clip : position;
if (Area.UpperLeftCorner.X < 0)
Area.UpperLeftCorner.X = 0;
if (Area.UpperLeftCorner.Y < 0)
Area.UpperLeftCorner.Y = 0;
core::position2d<s16> pos;
// centre vertically
pos.Y = vcenter ? (position.UpperLeftCorner.Y + position.LowerRightCorner.Y) / 2 : position.UpperLeftCorner.Y;
// nothing to display?
if (pos.Y < Area.UpperLeftCorner.Y || pos.Y > Area.LowerRightCorner.Y)
return;
tempText = text;
// centre horizontally
pos.X = hcenter ? position.getCenter().X - ( tempText.size() / 2) : position.UpperLeftCorner.X;
// clip
u32 xlclip = 0,
xrclip = 0;
// get right clip
if (pos.X + (s32)tempText.size() > Area.LowerRightCorner.X)
xrclip = Area.LowerRightCorner.X - pos.X;
// get left clip
if (pos.X < Area.UpperLeftCorner.X)
xlclip = Area.UpperLeftCorner.X - pos.X;
// totally clipped?
if ((s32)tempText.size() - xlclip - xrclip < 0)
return;
// null terminate the string
if (xrclip > 0)
tempText[xrclip] = L'\0';
Device->addPostPresentText(pos.X + xlclip, pos.Y, &(tempText.c_str()[xlclip]));
}
//! Calculates the dimension of some text.
virtual core::dimension2d<u32> getDimension(const wchar_t* text) const IRR_OVERRIDE
{
return core::dimension2d<u32>(wcslen(text),1);
}
//! Calculates the index of the character in the text which is on a specific position.
virtual s32 getCharacterFromPos(const wchar_t* text, s32 pixel_x) const IRR_OVERRIDE { return pixel_x; } IRR_OVERRIDE;
//! No kerning
virtual void setKerningWidth (s32 kerning) IRR_OVERRIDE { }
virtual void setKerningHeight (s32 kerning) IRR_OVERRIDE { }
virtual s32 getKerningWidth(const wchar_t* thisLetter=0, const wchar_t* previousLetter=0) const IRR_OVERRIDE {return 0;}
virtual s32 getKerningHeight() const IRR_OVERRIDE { return 0;}
virtual void setInvisibleCharacters( const wchar_t *s ) IRR_OVERRIDE { }
// I guess this is an OS specific font
virtual EGUI_FONT_TYPE getType() const IRR_OVERRIDE { return EGFT_OS; }
private:
CIrrDeviceConsole* Device;
core::stringw tempText;
};
} // end namespace gui
#endif // _IRR_USE_CONSOLE_FONT_
} // end namespace irr
#endif // _IRR_COMPILE_WITH_CONSOLE_DEVICE_
#endif // IRR_C_IRR_DEVICE_CONSOLE_H_INCLUDED