339 lines
8.0 KiB
C++
339 lines
8.0 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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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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// This device code is based on the original SDL device implementation
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// contributed by Shane Parker (sirshane).
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#ifndef __C_IRR_DEVICE_SDL_H_INCLUDED__
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#define __C_IRR_DEVICE_SDL_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_SDL_DEVICE_
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#include "IrrlichtDevice.h"
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#include "CIrrDeviceStub.h"
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#include "IImagePresenter.h"
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#include "ICursorControl.h"
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#include <SDL.h>
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#include <SDL_syswm.h>
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#include <map>
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#include <set>
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namespace irr
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{
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class CIrrDeviceSDL : public CIrrDeviceStub, video::IImagePresenter
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{
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public:
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//! constructor
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CIrrDeviceSDL(const SIrrlichtCreationParameters& param);
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//! destructor
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virtual ~CIrrDeviceSDL();
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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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//! pause execution temporarily
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virtual void yield();
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//! pause execution for a specified 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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//! sets the class of the window
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virtual void setWindowClass(const char* 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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bool isWindowFocused() const;
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//! returns if window is minimized.
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bool isWindowMinimized() const;
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//! returns color format of the window.
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video::ECOLOR_FORMAT getColorFormat() 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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//! \return Returns a pointer to a list with all video modes supported
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video::IVideoModeList* getVideoModeList();
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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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virtual bool isResizable() const;
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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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//! Move window to requested position
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virtual bool moveWindow(int x, int y);
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//! Get current window position.
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virtual bool getWindowPosition(int* x, int* y);
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//! Activate any joysticks, and generate events for them.
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virtual bool activateJoysticks(core::array<SJoystickInfo> & joystickInfo);
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//! Set the current Gamma Value for the Display
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virtual bool setGammaRamp( f32 red, f32 green, f32 blue, f32 brightness, f32 contrast );
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//! Get the current Gamma Value for the Display
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virtual bool getGammaRamp( f32 &red, f32 &green, f32 &blue, f32 &brightness, f32 &contrast );
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virtual void setWindowMinimumSize(u32 width, u32 height);
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virtual bool supportsTouchDevice() const;
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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_SDL;
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}
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SDL_Window* getWindow() const { return Window; }
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const SDL_SysWMinfo& getWMInfo() const { return Info; }
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virtual s32 getTopPadding()
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{
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return TopPadding * NativeScale;
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}
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virtual s32 getBottomPadding()
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{
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return BottomPadding * NativeScale;
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}
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virtual s32 getLeftPadding()
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{
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return LeftPadding * NativeScale;
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}
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virtual s32 getRightPadding()
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{
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return RightPadding * NativeScale;
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}
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virtual f32 getNativeScale() const { return NativeScale; }
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virtual bool hasOnScreenKeyboard() const;
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virtual bool hasHardwareKeyboard() const;
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virtual bool activateAccelerometer(float updateInterval);
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virtual bool deactivateAccelerometer();
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virtual bool isAccelerometerActive();
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virtual bool isAccelerometerAvailable();
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virtual bool activateGyroscope(float updateInterval);
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virtual bool deactivateGyroscope();
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virtual bool isGyroscopeActive();
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virtual bool isGyroscopeAvailable();
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virtual void resetPaused() { clearAllTouchIds(); }
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//! Implementation of the linux cursor control
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class CCursorControl : public gui::ICursorControl
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{
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public:
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CCursorControl(CIrrDeviceSDL* dev)
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: Device(dev), IsVisible(true)
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{
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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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IsVisible = visible;
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if ( visible )
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SDL_ShowCursor( SDL_ENABLE );
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else
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SDL_ShowCursor( SDL_DISABLE );
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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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setPosition((s32)(x*Device->Width), (s32)(y*Device->Height));
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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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SDL_WarpMouseGlobal( 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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updateCursorPos();
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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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updateCursorPos();
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return core::position2d<f32>(CursorPos.X / (f32)Device->Width,
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CursorPos.Y / (f32)Device->Height);
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}
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virtual void setReferenceRect(core::rect<s32>* rect=0)
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{
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}
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private:
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void updateCursorPos()
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{
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CursorPos.X = Device->MouseX;
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CursorPos.Y = Device->MouseY;
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if (CursorPos.X < 0)
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CursorPos.X = 0;
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if (CursorPos.X > (s32)Device->Width)
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CursorPos.X = Device->Width;
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if (CursorPos.Y < 0)
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CursorPos.Y = 0;
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if (CursorPos.Y > (s32)Device->Height)
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CursorPos.Y = Device->Height;
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}
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CIrrDeviceSDL* Device;
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core::position2d<s32> CursorPos;
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bool IsVisible;
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};
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private:
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//! create the driver
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void createDriver();
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bool createWindow();
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void createKeyMap();
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SDL_Window* Window;
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SDL_GLContext Context;
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f32 NativeScale;
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s32 MouseX, MouseY;
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u32 MouseButtonStates;
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u32 Width, Height;
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std::map<SDL_FingerID, size_t> TouchIDMap;
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//! Get a unique touch id per touch, create one if it's a new touch
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size_t getTouchId(SDL_FingerID touch)
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{
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auto it = TouchIDMap.find(touch);
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if (it == TouchIDMap.end())
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{
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std::set<size_t> ids;
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for (auto& p : TouchIDMap)
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ids.insert(p.second);
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size_t cur_id = 0;
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while (true)
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{
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if (ids.find(cur_id) == ids.end())
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break;
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cur_id++;
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}
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TouchIDMap[touch] = cur_id;
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return cur_id;
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}
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return it->second;
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}
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//! Remove a unique touch id, free it for future usage
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void removeTouchId(SDL_FingerID touch)
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{
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TouchIDMap.erase(touch);
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}
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//! Clear all unique touch ids, used when the app out focused
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void clearAllTouchIds()
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{
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TouchIDMap.clear();
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}
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f32 TopPadding;
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f32 BottomPadding;
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f32 LeftPadding;
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f32 RightPadding;
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bool WindowHasFocus;
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bool WindowMinimized;
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bool Resizable;
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s32 AccelerometerIndex;
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s32 AccelerometerInstance;
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s32 GyroscopeIndex;
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s32 GyroscopeInstance;
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struct SKeyMap
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{
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SKeyMap() {}
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SKeyMap(s32 x11, s32 win32)
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: SDLKey(x11), Win32Key(win32)
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{
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}
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s32 SDLKey;
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s32 Win32Key;
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bool operator<(const SKeyMap& o) const
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{
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return SDLKey<o.SDLKey;
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}
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};
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core::array<SKeyMap> KeyMap;
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SDL_SysWMinfo Info;
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void tryCreateOpenGLContext(u32 flags);
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};
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_SDL_DEVICE_
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#endif // __C_IRR_DEVICE_SDL_H_INCLUDED__
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