331 lines
8.9 KiB
C
331 lines
8.9 KiB
C
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// Copyright (C) 2009-2012 Gaz Davidson
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_IRR_DEVICE_CONSOLE_H_INCLUDED__
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#define __C_IRR_DEVICE_CONSOLE_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_CONSOLE_DEVICE_
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//#define _IRR_USE_CONSOLE_FONT_
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#include "SIrrCreationParameters.h"
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#include "CIrrDeviceStub.h"
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#include "IImagePresenter.h"
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// for console font
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#include "IGUIFont.h"
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#ifdef _IRR_WINDOWS_API_
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#define WIN32_LEAN_AND_MEAN
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#if !defined(_IRR_XBOX_PLATFORM_)
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#include <windows.h>
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#endif
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#if(_WIN32_WINNT >= 0x0500)
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#define _IRR_WINDOWS_NT_CONSOLE_
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#endif
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#else
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#include <time.h>
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#endif
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// for now we assume all other terminal types are VT100
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#ifndef _IRR_WINDOWS_NT_CONSOLE_
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#define _IRR_VT100_CONSOLE_
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#endif
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namespace irr
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{
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class CIrrDeviceConsole : public CIrrDeviceStub, video::IImagePresenter
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{
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public:
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//! constructor
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CIrrDeviceConsole(const SIrrlichtCreationParameters& params);
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//! destructor
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virtual ~CIrrDeviceConsole();
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//! runs the device. Returns false if device wants to be deleted
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virtual bool run();
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//! Cause the device to temporarily pause execution and let other processes to run
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// This should bring down processor usage without major performance loss for Irrlicht
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virtual void yield();
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//! Pause execution and let other processes to run for a specified amount of time.
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virtual void sleep(u32 timeMs, bool pauseTimer);
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//! sets the caption of the window
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virtual void setWindowCaption(const wchar_t* text);
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//! returns if window is active. if not, nothing need to be drawn
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virtual bool isWindowActive() const;
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//! returns if window has focus
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virtual bool isWindowFocused() const;
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//! returns if window is minimized
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virtual bool isWindowMinimized() const;
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//! presents a surface in the client area
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virtual bool present(video::IImage* surface, void* windowId=0, core::rect<s32>* src=0);
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//! notifies the device that it should close itself
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virtual void closeDevice();
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//! Sets if the window should be resizable in windowed mode.
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virtual void setResizable(bool resize=false);
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//! Minimizes the window.
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virtual void minimizeWindow();
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//! Maximizes the window.
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virtual void maximizeWindow();
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//! Restores the window size.
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virtual void restoreWindow();
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//! Get the device type
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virtual E_DEVICE_TYPE getType() const
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{
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return EIDT_CONSOLE;
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}
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void addPostPresentText(s16 X, s16 Y, const wchar_t *text);
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//! Implementation of the win32 console mouse cursor
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class CCursorControl : public gui::ICursorControl
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{
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public:
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CCursorControl(const core::dimension2d<u32>& wsize)
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: WindowSize(wsize), InvWindowSize(0.0f, 0.0f), IsVisible(true), UseReferenceRect(false)
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{
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if (WindowSize.Width!=0)
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InvWindowSize.Width = 1.0f / WindowSize.Width;
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if (WindowSize.Height!=0)
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InvWindowSize.Height = 1.0f / WindowSize.Height;
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}
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//! Changes the visible state of the mouse cursor.
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virtual void setVisible(bool visible)
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{
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if(visible != IsVisible)
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{
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IsVisible = visible;
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setPosition(CursorPos.X, CursorPos.Y);
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}
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}
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//! Returns if the cursor is currently visible.
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virtual bool isVisible() const
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{
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return IsVisible;
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(const core::position2d<f32> &pos)
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{
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setPosition(pos.X, pos.Y);
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(f32 x, f32 y)
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{
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if (!UseReferenceRect)
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setPosition((s32)(x*WindowSize.Width), (s32)(y*WindowSize.Height));
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else
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setPosition((s32)(x*ReferenceRect.getWidth()), (s32)(y*ReferenceRect.getHeight()));
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(const core::position2d<s32> &pos)
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{
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setPosition(pos.X, pos.Y);
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(s32 x, s32 y)
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{
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setInternalCursorPosition(core::position2di(x,y));
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}
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//! Returns the current position of the mouse cursor.
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virtual const core::position2d<s32>& getPosition()
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{
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return CursorPos;
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}
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//! Returns the current position of the mouse cursor.
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virtual core::position2d<f32> getRelativePosition()
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{
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if (!UseReferenceRect)
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{
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return core::position2d<f32>(CursorPos.X * InvWindowSize.Width,
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CursorPos.Y * InvWindowSize.Height);
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}
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return core::position2d<f32>(CursorPos.X / (f32)ReferenceRect.getWidth(),
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CursorPos.Y / (f32)ReferenceRect.getHeight());
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}
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//! Sets an absolute reference rect for calculating the cursor position.
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virtual void setReferenceRect(core::rect<s32>* rect=0)
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{
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if (rect)
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{
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ReferenceRect = *rect;
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UseReferenceRect = true;
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// prevent division through zero and uneven sizes
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if (!ReferenceRect.getHeight() || ReferenceRect.getHeight()%2)
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ReferenceRect.LowerRightCorner.Y += 1;
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if (!ReferenceRect.getWidth() || ReferenceRect.getWidth()%2)
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ReferenceRect.LowerRightCorner.X += 1;
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}
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else
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UseReferenceRect = false;
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}
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//! Updates the internal cursor position
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void setInternalCursorPosition(const core::position2di &pos)
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{
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CursorPos = pos;
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if (UseReferenceRect)
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CursorPos -= ReferenceRect.UpperLeftCorner;
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}
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private:
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core::position2d<s32> CursorPos;
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core::dimension2d<u32> WindowSize;
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core::dimension2d<f32> InvWindowSize;
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bool IsVisible,
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UseReferenceRect;
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core::rect<s32> ReferenceRect;
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};
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private:
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//! Set the position of the text caret
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void setTextCursorPos(s16 x, s16 y);
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// text to be added after drawing the screen
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struct SPostPresentText
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{
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core::position2d<s16> Pos;
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core::stringc Text;
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};
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bool IsWindowFocused;
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core::array<core::stringc> OutputBuffer;
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gui::IGUIFont *ConsoleFont;
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core::array<SPostPresentText> Text;
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FILE *OutFile;
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#ifdef _IRR_WINDOWS_NT_CONSOLE_
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HANDLE WindowsSTDIn, WindowsSTDOut;
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u32 MouseButtonStates;
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#endif
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};
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#ifdef _IRR_USE_CONSOLE_FONT_
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namespace gui
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{
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class CGUIConsoleFont : public IGUIFont
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{
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public:
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CGUIConsoleFont(CIrrDeviceConsole* device) : Device(device) { }
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//! Draws some text and clips it to the specified rectangle if wanted.
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virtual void draw(const wchar_t* text, const core::rect<s32>& position,
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video::SColor color, bool hcenter=false, bool vcenter=false,
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const core::rect<s32>* clip=0)
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{
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core::rect<s32> Area = clip ? *clip : position;
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if (Area.UpperLeftCorner.X < 0)
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Area.UpperLeftCorner.X = 0;
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if (Area.UpperLeftCorner.Y < 0)
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Area.UpperLeftCorner.Y = 0;
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core::position2d<s16> pos;
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// centre vertically
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pos.Y = vcenter ? (position.UpperLeftCorner.Y + position.LowerRightCorner.Y) / 2 : position.UpperLeftCorner.Y;
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// nothing to display?
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if (pos.Y < Area.UpperLeftCorner.Y || pos.Y > Area.LowerRightCorner.Y)
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return;
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tempText = text;
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// centre horizontally
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pos.X = hcenter ? position.getCenter().X - ( tempText.size() / 2) : position.UpperLeftCorner.X;
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// clip
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u32 xlclip = 0,
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xrclip = 0;
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// get right clip
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if (pos.X + (s32)tempText.size() > Area.LowerRightCorner.X)
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xrclip = Area.LowerRightCorner.X - pos.X;
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// get left clip
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if (pos.X < Area.UpperLeftCorner.X)
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xlclip = Area.UpperLeftCorner.X - pos.X;
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// totally clipped?
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if ((s32)tempText.size() - xlclip - xrclip < 0)
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return;
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// null terminate the string
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if (xrclip > 0)
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tempText[xrclip] = L'\0';
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Device->addPostPresentText(pos.X + xlclip, pos.Y, &(tempText.c_str()[xlclip]));
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}
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//! Calculates the dimension of some text.
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virtual core::dimension2d<u32> getDimension(const wchar_t* text) const
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{
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return core::dimension2d<u32>(wcslen(text),1);
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}
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//! Calculates the index of the character in the text which is on a specific position.
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virtual s32 getCharacterFromPos(const wchar_t* text, s32 pixel_x) const { return pixel_x; };
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//! No kerning
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virtual void setKerningWidth (s32 kerning) { }
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virtual void setKerningHeight (s32 kerning) { }
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virtual s32 getKerningWidth(const wchar_t* thisLetter=0, const wchar_t* previousLetter=0) const {return 0;}
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virtual s32 getKerningHeight() const { return 0;}
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virtual void setInvisibleCharacters( const wchar_t *s ) { }
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// I guess this is an OS specific font
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virtual EGUI_FONT_TYPE getType() const { return EGFT_OS; }
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private:
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CIrrDeviceConsole* Device;
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core::stringw tempText;
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};
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} // end namespace gui
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#endif // _IRR_USE_CONSOLE_FONT_
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_CONSOLE_DEVICE_
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#endif // __C_IRR_DEVICE_CONSOLE_H_INCLUDED__
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