1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef BACKENDS_PLATFORM_IPHONE_OSYS_MAIN_H
#define BACKENDS_PLATFORM_IPHONE_OSYS_MAIN_H
#include "graphics/surface.h"
#include "iphone_common.h"
#include "backends/base-backend.h"
#include "common/events.h"
#include "audio/mixer_intern.h"
#include "backends/fs/posix/posix-fs-factory.h"
#include "graphics/colormasks.h"
#include "graphics/palette.h"
#include <AudioToolbox/AudioQueue.h>
#define AUDIO_BUFFERS 3
#define WAVE_BUFFER_SIZE 2048
#define AUDIO_SAMPLE_RATE 44100
#define SCUMMVM_ROOT_PATH "/var/mobile/Library/ScummVM"
#define SCUMMVM_SAVE_PATH SCUMMVM_ROOT_PATH "/Savegames"
#define SCUMMVM_PREFS_PATH SCUMMVM_ROOT_PATH "/Preferences"
typedef void (*SoundProc)(void *param, byte *buf, int len);
typedef int (*TimerProc)(int interval);
struct AQCallbackStruct {
AudioQueueRef queue;
uint32 frameCount;
AudioQueueBufferRef buffers[AUDIO_BUFFERS];
AudioStreamBasicDescription dataFormat;
};
class OSystem_IPHONE : public EventsBaseBackend, public PaletteManager {
protected:
static const OSystem::GraphicsMode s_supportedGraphicsModes[];
static AQCallbackStruct s_AudioQueue;
static SoundProc s_soundCallback;
static void *s_soundParam;
Audio::MixerImpl *_mixer;
Graphics::Surface _framebuffer;
byte *_offscreen;
OverlayColor *_overlayBuffer;
uint16 _overlayHeight;
uint16 _overlayWidth;
uint16 *_fullscreen;
uint16 _gamePalette[256];
bool _overlayVisible;
uint16 _screenWidth;
uint16 _screenHeight;
struct timeval _startTime;
uint32 _timeSuspended;
bool _mouseVisible;
byte *_mouseBuf;
byte _mouseKeyColor;
uint _mouseWidth, _mouseHeight;
uint _mouseX, _mouseY;
int _mouseHotspotX, _mouseHotspotY;
bool _mouseDirty;
long _lastMouseDown;
long _lastMouseTap;
long _queuedEventTime;
Common::Rect _lastDrawnMouseRect;
Common::Event _queuedInputEvent;
bool _secondaryTapped;
long _lastSecondaryDown;
long _lastSecondaryTap;
int _gestureStartX, _gestureStartY;
bool _mouseClickAndDragEnabled;
bool _touchpadModeEnabled;
int _lastPadX;
int _lastPadY;
int _lastDragPosX;
int _lastDragPosY;
int _timerCallbackNext;
int _timerCallbackTimer;
TimerProc _timerCallback;
Common::Array<Common::Rect> _dirtyRects;
Common::Array<Common::Rect> _dirtyOverlayRects;
ScreenOrientation _screenOrientation;
bool _fullScreenIsDirty;
bool _fullScreenOverlayIsDirty;
int _screenChangeCount;
public:
OSystem_IPHONE();
virtual ~OSystem_IPHONE();
virtual void initBackend();
virtual bool hasFeature(Feature f);
virtual void setFeatureState(Feature f, bool enable);
virtual bool getFeatureState(Feature f);
virtual const GraphicsMode *getSupportedGraphicsModes() const;
virtual int getDefaultGraphicsMode() const;
bool setGraphicsMode(const char *name);
virtual bool setGraphicsMode(int mode);
virtual int getGraphicsMode() const;
virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format);
virtual int16 getHeight();
virtual int16 getWidth();
virtual PaletteManager *getPaletteManager() { return this; }
protected:
// PaletteManager API
virtual void setPalette(const byte *colors, uint start, uint num);
virtual void grabPalette(byte *colors, uint start, uint num);
public:
virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
virtual void updateScreen();
virtual Graphics::Surface *lockScreen();
virtual void unlockScreen();
virtual void setShakePos(int shakeOffset);
virtual void showOverlay();
virtual void hideOverlay();
virtual void clearOverlay();
virtual void grabOverlay(OverlayColor *buf, int pitch);
virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
virtual int16 getOverlayHeight();
virtual int16 getOverlayWidth();
virtual Graphics::PixelFormat getOverlayFormat() const { return Graphics::createPixelFormat<5551>(); }
virtual bool showMouse(bool visible);
virtual void warpMouse(int x, int y);
virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor = 255, int cursorTargetScale = 1, const Graphics::PixelFormat *format = NULL);
virtual bool pollEvent(Common::Event &event);
virtual uint32 getMillis();
virtual void delayMillis(uint msecs);
virtual MutexRef createMutex(void);
virtual void lockMutex(MutexRef mutex);
virtual void unlockMutex(MutexRef mutex);
virtual void deleteMutex(MutexRef mutex);
static void mixCallback(void *sys, byte *samples, int len);
virtual void setupMixer(void);
virtual void setTimerCallback(TimerProc callback, int interval);
virtual int getScreenChangeID() const { return _screenChangeCount; }
virtual void quit();
virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0);
virtual void getTimeAndDate(TimeDate &t) const;
virtual Audio::Mixer *getMixer();
void startSoundsystem();
void stopSoundsystem();
virtual Common::String getDefaultConfigFileName();
virtual void logMessage(LogMessageType::Type type, const char *message);
protected:
void internUpdateScreen();
void dirtyFullScreen();
void dirtyFullOverlayScreen();
void clipRectToScreen(int16 &x, int16 &y, int16 &w, int16 &h);
void suspendLoop();
void drawDirtyRect(const Common::Rect &dirtyRect);
void drawDirtyOverlayRect(const Common::Rect &dirtyRect);
void drawMouseCursorOnRectUpdate(const Common::Rect &updatedRect, const Common::Rect &mouseRect);
void updateHardwareSurfaceForRect(const Common::Rect &updatedRect);
static void AQBufferCallback(void *in, AudioQueueRef inQ, AudioQueueBufferRef outQB);
static int timerHandler(int t);
bool handleEvent_swipe(Common::Event &event, int direction);
void handleEvent_keyPressed(Common::Event &event, int keyPressed);
void handleEvent_orientationChanged(int orientation);
bool handleEvent_mouseDown(Common::Event &event, int x, int y);
bool handleEvent_mouseUp(Common::Event &event, int x, int y);
bool handleEvent_secondMouseDown(Common::Event &event, int x, int y);
bool handleEvent_secondMouseUp(Common::Event &event, int x, int y);
bool handleEvent_mouseDragged(Common::Event &event, int x, int y);
bool handleEvent_mouseSecondDragged(Common::Event &event, int x, int y);
};
#endif
|