synced with scummvm to 2011-Apr-13
This commit is contained in:
Pawel Kolodziejski
parent
f0a4299aef
commit
0640dcf2c7
347 changed files with 53648 additions and 8521 deletions
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@ -23,239 +23,101 @@
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*
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*/
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#ifndef SDL_COMMON_H
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#define SDL_COMMON_H
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#ifndef PLATFORM_SDL_H
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#define PLATFORM_SDL_H
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#if defined(__SYMBIAN32__)
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#include <esdl\SDL.h>
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#else
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#include <SDL.h>
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#include "backends/platform/sdl/sdl-sys.h"
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#ifdef USE_OPENGL
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#include <SDL_opengl.h>
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#endif
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#endif
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#include "backends/base-backend.h"
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#include "graphics/scaler.h"
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#include "backends/modular-backend.h"
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#include "backends/mixer/sdl/sdl-mixer.h"
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#include "backends/events/sdl/sdl-events.h"
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#include "backends/log/log.h"
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namespace Audio {
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class MixerImpl;
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}
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#if defined(MACOSX)
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// On Mac OS X, we need to double buffer the audio buffer, else anything
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// which produces sampled data with high latency (like the MT-32 emulator)
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// will sound terribly.
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// This could be enabled for more / most ports in the future, but needs some
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// testing.
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#define MIXER_DOUBLE_BUFFERING 1
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#endif
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class OSystem_SDL : public BaseBackend {
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/**
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* Base OSystem class for all SDL ports.
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*/
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class OSystem_SDL : public ModularBackend {
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public:
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OSystem_SDL();
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virtual ~OSystem_SDL();
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/**
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* Pre-initialize backend. It should be called after
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* instantiating the backend. Early needed managers are
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* created here.
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*/
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virtual void init();
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/**
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* Get the Mixer Manager instance. Not to confuse with getMixer(),
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* that returns Audio::Mixer. The Mixer Manager is a SDL wrapper class
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* for the Audio::Mixer. Used by other managers.
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*/
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virtual SdlMixerManager *getMixerManager();
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// Override functions from ModularBackend and OSystem
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virtual void initBackend();
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// Set the size of the video bitmap.
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// Typically, 320x200
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virtual void launcherInitSize(uint w, uint h);
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virtual byte *setupScreen(int screenW, int screenH, bool fullscreen, bool accel3d);
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// Update the dirty areas of the screen
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void updateScreen();
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// Either show or hide the mouse cursor
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bool showMouse(bool visible);
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// Warp the mouse cursor. Where set_mouse_pos() only informs the
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// backend of the mouse cursor's current position, this function
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// actually moves the cursor to the specified position.
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virtual void warpMouse(int x, int y); // overloaded by CE backend (FIXME)
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// Set the bitmap that's used when drawing the cursor.
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virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format); // overloaded by CE backend (FIXME)
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// Get the number of milliseconds since the program was started.
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uint32 getMillis();
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// Delay for a specified amount of milliseconds
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void delayMillis(uint msecs);
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// Get the next event.
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// Returns true if an event was retrieved.
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virtual bool pollEvent(Common::Event &event); // overloaded by CE backend
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protected:
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virtual bool dispatchSDLEvent(SDL_Event &ev, Common::Event &event);
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// Handlers for specific SDL events, called by pollEvent.
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// This way, if a backend inherits fromt the SDL backend, it can
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// change the behavior of only a single event, without having to override all
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// of pollEvent.
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virtual bool handleKeyDown(SDL_Event &ev, Common::Event &event);
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virtual bool handleKeyUp(SDL_Event &ev, Common::Event &event);
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virtual bool handleMouseMotion(SDL_Event &ev, Common::Event &event);
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virtual bool handleMouseButtonDown(SDL_Event &ev, Common::Event &event);
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virtual bool handleMouseButtonUp(SDL_Event &ev, Common::Event &event);
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virtual bool handleJoyButtonDown(SDL_Event &ev, Common::Event &event);
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virtual bool handleJoyButtonUp(SDL_Event &ev, Common::Event &event);
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virtual bool handleJoyAxisMotion(SDL_Event &ev, Common::Event &event);
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public:
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// Define all hardware keys for keymapper
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virtual Common::HardwareKeySet *getHardwareKeySet();
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virtual void quit();
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virtual void fatalError();
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// Set function that generates samples
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virtual void setupMixer();
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static void mixCallback(void *s, byte *samples, int len);
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// Logging
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virtual void logMessage(LogMessageType::Type type, const char *message);
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virtual void closeMixer();
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virtual Audio::Mixer *getMixer();
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// Poll CD status
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// Returns true if cd audio is playing
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bool pollCD();
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// Play CD audio track
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void playCD(int track, int num_loops, int start_frame, int duration);
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// Stop CD audio track
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void stopCD();
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// Update CD audio status
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void updateCD();
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// Quit
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virtual void quit(); // overloaded by CE backend
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void deinit();
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virtual void getTimeAndDate(TimeDate &t) const;
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virtual Common::TimerManager *getTimerManager();
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// Mutex handling
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MutexRef createMutex();
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void lockMutex(MutexRef mutex);
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void unlockMutex(MutexRef mutex);
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void deleteMutex(MutexRef mutex);
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// Overlay
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virtual Graphics::PixelFormat getOverlayFormat() const { return _overlayFormat; }
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virtual void showOverlay();
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virtual void hideOverlay();
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virtual void clearOverlay();
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virtual void grabOverlay(OverlayColor *buf, int pitch);
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virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
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virtual int16 getHeight();
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virtual int16 getWidth();
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virtual int16 getOverlayHeight() { return _overlayHeight; }
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virtual int16 getOverlayWidth() { return _overlayWidth; }
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virtual Common::String getSystemLanguage() const;
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virtual void setWindowCaption(const char *caption);
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virtual bool openCD(int drive);
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virtual bool hasFeature(Feature f);
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virtual void setFeatureState(Feature f, bool enable);
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virtual bool getFeatureState(Feature f);
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virtual void preprocessEvents(SDL_Event *event) {}
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virtual Common::SaveFileManager *getSavefileManager();
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virtual FilesystemFactory *getFilesystemFactory();
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virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0);
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virtual Common::SeekableReadStream *createConfigReadStream();
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virtual Common::WriteStream *createConfigWriteStream();
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virtual uint32 getMillis();
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virtual void delayMillis(uint msecs);
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virtual void getTimeAndDate(TimeDate &td) const;
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virtual Audio::Mixer *getMixer();
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// HACK: Special SDL events types
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enum SdlEvent {
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kSdlEventExpose = 100,
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kSdlEventResize = 101
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};
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protected:
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bool _inited;
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SDL_AudioSpec _obtainedRate;
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bool _initedSDL;
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/**
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* Mixer manager that configures and setups SDL for
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* the wrapped Audio::Mixer, the true mixer.
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*/
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SdlMixerManager *_mixerManager;
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#ifdef USE_OPENGL
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bool _opengl;
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#endif
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bool _fullscreen;
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SDL_Surface *_screen;
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/**
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* The event source we use for obtaining SDL events.
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*/
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SdlEventSource *_eventSource;
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// overlay
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SDL_Surface *_overlayscreen;
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bool _overlayVisible;
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Graphics::PixelFormat _overlayFormat;
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int _overlayWidth, _overlayHeight;
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bool _overlayDirty;
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int _overlayNumTex;
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#ifdef USE_OPENGL
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GLuint *_overlayTexIds;
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#endif
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/**
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* Initialze the SDL library.
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*/
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virtual void initSDL();
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void closeOverlay();
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/**
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* Setup the window icon.
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*/
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virtual void setupIcon();
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// CD Audio
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SDL_CD *_cdrom;
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int _cdTrack, _cdNumLoops, _cdStartFrame, _cdDuration;
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uint32 _cdEndTime, _cdStopTime;
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/**
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* Get the file path where the user configuration
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* of ScummVM will be saved.
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*/
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virtual Common::String getDefaultConfigFileName();
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// Keyboard mouse emulation. Disabled by fingolfin 2004-12-18.
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// I am keeping the rest of the code in for now, since the joystick
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// code (or rather, "hack") uses it, too.
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struct KbdMouse {
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int16 x, y, x_vel, y_vel, x_max, y_max, x_down_count, y_down_count;
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uint32 last_time, delay_time, x_down_time, y_down_time;
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};
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// mouse
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KbdMouse _km;
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// Scroll lock state - since SDL doesn't track it
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bool _scrollLock;
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// joystick
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SDL_Joystick *_joystick;
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#ifdef MIXER_DOUBLE_BUFFERING
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SDL_mutex *_soundMutex;
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SDL_cond *_soundCond;
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SDL_Thread *_soundThread;
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bool _soundThreadIsRunning;
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bool _soundThreadShouldQuit;
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byte _activeSoundBuf;
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uint _soundBufSize;
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byte *_soundBuffers[2];
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void mixerProducerThread();
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static int SDLCALL mixerProducerThreadEntry(void *arg);
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void initThreadedMixer(Audio::MixerImpl *mixer, uint bufSize);
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void deinitThreadedMixer();
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#endif
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FilesystemFactory *_fsFactory;
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Common::SaveFileManager *_savefile;
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Audio::MixerImpl *_mixer;
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SDL_TimerID _timerID;
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Common::TimerManager *_timer;
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protected:
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/** Set the position of the virtual mouse cursor. */
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void setMousePos(int x, int y);
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virtual void fillMouseEvent(Common::Event &event, int x, int y); // overloaded by CE backend
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void toggleMouseGrab();
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void setupIcon();
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void handleKbdMouse();
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virtual bool remapKey(SDL_Event &ev, Common::Event &event);
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bool handleScalerHotkeys(const SDL_KeyboardEvent &key);
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// Logging
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virtual Common::WriteStream *createLogFile() { return 0; }
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Backends::Log::Log *_logger;
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};
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#endif
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