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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
|
/* 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.
*
* $URL$
* $Id$
*
*/
#if defined(__ANDROID__)
#include <sys/time.h>
#include <sys/resource.h>
#include <time.h>
#include <unistd.h>
#include "common/util.h"
#include "common/rect.h"
#include "common/queue.h"
#include "common/mutex.h"
#include "common/events.h"
#include "common/config-manager.h"
#include "backends/keymapper/keymapper.h"
#include "backends/saves/default/default-saves.h"
#include "backends/timer/default/default-timer.h"
#include "backends/platform/android/jni.h"
#include "backends/platform/android/android.h"
const char *android_log_tag = "ScummVM";
// This replaces the bionic libc assert functions with something that
// actually prints the assertion failure before aborting.
extern "C" {
void __assert(const char *file, int line, const char *expr) {
__android_log_assert(expr, android_log_tag,
"Assertion failure: '%s' in %s:%d",
expr, file, line);
}
void __assert2(const char *file, int line, const char *func,
const char *expr) {
__android_log_assert(expr, android_log_tag,
"Assertion failure: '%s' in %s:%d (%s)",
expr, file, line, func);
}
}
#ifdef ANDROID_DEBUG_GL
static const char *getGlErrStr(GLenum error) {
switch (error) {
case GL_INVALID_ENUM:
return "GL_INVALID_ENUM";
case GL_INVALID_VALUE:
return "GL_INVALID_VALUE";
case GL_INVALID_OPERATION:
return "GL_INVALID_OPERATION";
case GL_STACK_OVERFLOW:
return "GL_STACK_OVERFLOW";
case GL_STACK_UNDERFLOW:
return "GL_STACK_UNDERFLOW";
case GL_OUT_OF_MEMORY:
return "GL_OUT_OF_MEMORY";
}
static char buf[40];
snprintf(buf, sizeof(buf), "(Unknown GL error code 0x%x)", error);
return buf;
}
void checkGlError(const char *expr, const char *file, int line) {
GLenum error = glGetError();
if (error != GL_NO_ERROR)
LOGE("GL ERROR: %s on %s (%s:%d)", getGlErrStr(error), expr, file, line);
}
#endif
// floating point. use sparingly
template <class T>
static inline T scalef(T in, float numerator, float denominator) {
return static_cast<float>(in) * numerator / denominator;
}
OSystem_Android::OSystem_Android(int audio_sample_rate, int audio_buffer_size) :
_audio_sample_rate(audio_sample_rate),
_audio_buffer_size(audio_buffer_size),
_screen_changeid(0),
_egl_surface_width(0),
_egl_surface_height(0),
_force_redraw(false),
_game_texture(0),
_overlay_texture(0),
_mouse_texture(0),
_mouse_texture_palette(0),
_mouse_texture_rgb(0),
_use_mouse_palette(false),
_show_mouse(false),
_show_overlay(false),
_enable_zoning(false),
_savefile(0),
_mixer(0),
_timer(0),
_fsFactory(new POSIXFilesystemFactory()),
_shake_offset(0),
_event_queue_lock(createMutex()) {
}
OSystem_Android::~OSystem_Android() {
ENTER();
delete _savefile;
delete _timer;
delete _mixer;
delete _fsFactory;
deleteMutex(_event_queue_lock);
}
void *OSystem_Android::timerThreadFunc(void *arg) {
OSystem_Android *system = (OSystem_Android *)arg;
DefaultTimerManager *timer = (DefaultTimerManager *)(system->_timer);
// renice this thread to boost the audio thread
if (setpriority(PRIO_PROCESS, 0, 19) < 0)
LOGW("couldn't renice the timer thread");
JNI::attachThread();
struct timespec tv;
tv.tv_sec = 0;
tv.tv_nsec = 100 * 1000 * 1000; // 100ms
while (!system->_timer_thread_exit) {
if (JNI::pause) {
LOGD("timer thread going to sleep");
sem_wait(&JNI::pause_sem);
LOGD("timer thread woke up");
}
timer->handler();
nanosleep(&tv, 0);
}
JNI::detachThread();
return 0;
}
void *OSystem_Android::audioThreadFunc(void *arg) {
JNI::attachThread();
OSystem_Android *system = (OSystem_Android *)arg;
Audio::MixerImpl *mixer = system->_mixer;
uint buf_size = system->_audio_buffer_size;
JNIEnv *env = JNI::getEnv();
jbyteArray bufa = env->NewByteArray(buf_size);
bool paused = true;
byte *buf;
int offset, left, written;
int samples, i;
struct timespec tv_delay;
tv_delay.tv_sec = 0;
tv_delay.tv_nsec = 20 * 1000 * 1000;
uint msecs_full = buf_size * 1000 / (mixer->getOutputRate() * 2 * 2);
struct timespec tv_full;
tv_full.tv_sec = 0;
tv_full.tv_nsec = msecs_full * 1000 * 1000;
bool silence;
uint silence_count = 33;
while (!system->_audio_thread_exit) {
if (JNI::pause) {
JNI::setAudioStop();
paused = true;
silence_count = 33;
LOGD("audio thread going to sleep");
sem_wait(&JNI::pause_sem);
LOGD("audio thread woke up");
}
buf = (byte *)env->GetPrimitiveArrayCritical(bufa, 0);
assert(buf);
samples = mixer->mixCallback(buf, buf_size);
silence = samples < 1;
// looks stupid, and it is, but currently there's no way to detect
// silence-only buffers from the mixer
if (!silence) {
silence = true;
for (i = 0; i < samples; i += 2)
// SID streams constant crap
if (READ_UINT16(buf + i) > 32) {
silence = false;
break;
}
}
env->ReleasePrimitiveArrayCritical(bufa, buf, 0);
if (silence) {
if (!paused)
silence_count++;
// only pause after a while to prevent toggle mania
if (silence_count > 32) {
if (!paused) {
LOGD("AudioTrack pause");
JNI::setAudioPause();
paused = true;
}
nanosleep(&tv_full, 0);
continue;
}
}
if (paused) {
LOGD("AudioTrack play");
JNI::setAudioPlay();
paused = false;
silence_count = 0;
}
offset = 0;
left = buf_size;
written = 0;
while (left > 0) {
written = JNI::writeAudio(env, bufa, offset, left);
if (written < 0) {
LOGE("AudioTrack error: %d", written);
break;
}
// buffer full
if (written < left)
nanosleep(&tv_delay, 0);
offset += written;
left -= written;
}
if (written < 0)
break;
// sleep a little, prepare the next buffer, and run into the
// blocking AudioTrack.write
nanosleep(&tv_delay, 0);
}
JNI::setAudioStop();
env->DeleteLocalRef(bufa);
JNI::detachThread();
return 0;
}
void OSystem_Android::initBackend() {
ENTER();
_main_thread = pthread_self();
ConfMan.setInt("autosave_period", 0);
ConfMan.setBool("FM_high_quality", false);
ConfMan.setBool("FM_medium_quality", true);
// must happen before creating TimerManager to avoid race in
// creating EventManager
setupKeymapper();
// BUG: "transient" ConfMan settings get nuked by the options
// screen. Passing the savepath in this way makes it stick
// (via ConfMan.registerDefault)
_savefile = new DefaultSaveFileManager(ConfMan.get("savepath"));
_timer = new DefaultTimerManager();
gettimeofday(&_startTime, 0);
_mixer = new Audio::MixerImpl(this, _audio_sample_rate);
_mixer->setReady(true);
_timer_thread_exit = false;
pthread_create(&_timer_thread, 0, timerThreadFunc, this);
_audio_thread_exit = false;
pthread_create(&_audio_thread, 0, audioThreadFunc, this);
initSurface();
initViewport();
_game_texture = new GLESPalette888Texture();
_overlay_texture = new GLES4444Texture();
_mouse_texture_palette = new GLESPalette8888Texture();
_mouse_texture = _mouse_texture_palette;
initOverlay();
// renice this thread to boost the audio thread
if (setpriority(PRIO_PROCESS, 0, 19) < 0)
warning("couldn't renice the main thread");
JNI::setReadyForEvents(true);
}
void OSystem_Android::addPluginDirectories(Common::FSList &dirs) const {
ENTER();
JNI::getPluginDirectories(dirs);
}
bool OSystem_Android::hasFeature(Feature f) {
return (f == kFeatureCursorHasPalette ||
f == kFeatureVirtualKeyboard ||
f == kFeatureOverlaySupportsAlpha);
}
void OSystem_Android::setFeatureState(Feature f, bool enable) {
ENTER("%d, %d", f, enable);
switch (f) {
case kFeatureVirtualKeyboard:
_virtkeybd_on = enable;
showVirtualKeyboard(enable);
break;
default:
break;
}
}
bool OSystem_Android::getFeatureState(Feature f) {
switch (f) {
case kFeatureVirtualKeyboard:
return _virtkeybd_on;
default:
return false;
}
}
void OSystem_Android::setupKeymapper() {
#ifdef ENABLE_KEYMAPPER
using namespace Common;
Keymapper *mapper = getEventManager()->getKeymapper();
HardwareKeySet *keySet = new HardwareKeySet();
keySet->addHardwareKey(
new HardwareKey("n", KeyState(KEYCODE_n), "n (vk)",
kTriggerLeftKeyType,
kVirtualKeyboardActionType));
mapper->registerHardwareKeySet(keySet);
Keymap *globalMap = new Keymap("global");
Action *act;
act = new Action(globalMap, "VIRT", "Display keyboard",
kVirtualKeyboardActionType);
act->addKeyEvent(KeyState(KEYCODE_F7, ASCII_F7, 0));
mapper->addGlobalKeymap(globalMap);
mapper->pushKeymap("global");
#endif
}
bool OSystem_Android::pollEvent(Common::Event &event) {
//ENTER();
if (pthread_self() == _main_thread) {
if (_screen_changeid != JNI::surface_changeid) {
if (JNI::egl_surface_width > 0 && JNI::egl_surface_height > 0) {
if (_egl_surface_width > 0 && _egl_surface_height > 0) {
// surface still alive but changed
_screen_changeid = JNI::surface_changeid;
_egl_surface_width = JNI::egl_surface_width;
_egl_surface_height = JNI::egl_surface_height;
initViewport();
// double buffered, flip twice
_force_redraw = true;
updateScreen();
_force_redraw = true;
event.type = Common::EVENT_SCREEN_CHANGED;
return true;
} else {
// new surface
initSurface();
_force_redraw = true;
event.type = Common::EVENT_SCREEN_CHANGED;
return true;
}
} else {
// surface lost
deinitSurface();
}
}
if (JNI::pause) {
deinitSurface();
LOGD("main thread going to sleep");
sem_wait(&JNI::pause_sem);
LOGD("main thread woke up");
}
}
lockMutex(_event_queue_lock);
if (_event_queue.empty()) {
unlockMutex(_event_queue_lock);
return false;
}
event = _event_queue.pop();
unlockMutex(_event_queue_lock);
switch (event.type) {
case Common::EVENT_MOUSEMOVE:
// TODO: only dirty/redraw move bounds
_force_redraw = true;
// fallthrough
case Common::EVENT_LBUTTONDOWN:
case Common::EVENT_LBUTTONUP:
case Common::EVENT_RBUTTONDOWN:
case Common::EVENT_RBUTTONUP:
case Common::EVENT_WHEELUP:
case Common::EVENT_WHEELDOWN:
case Common::EVENT_MBUTTONDOWN:
case Common::EVENT_MBUTTONUP: {
// relative mouse hack
if (event.kbd.flags == 1) {
// Relative (trackball) mouse hack.
const Common::Point& mouse_pos =
getEventManager()->getMousePos();
event.mouse.x += mouse_pos.x;
event.mouse.y += mouse_pos.y;
event.mouse.x = CLIP(event.mouse.x, (int16)0, _show_overlay ?
getOverlayWidth() : getWidth());
event.mouse.y = CLIP(event.mouse.y, (int16)0, _show_overlay ?
getOverlayHeight() : getHeight());
} else {
// Touchscreen events need to be converted
// from device to game coords first.
const GLESTexture *tex;
if (_show_overlay)
tex = _overlay_texture;
else
tex = _game_texture;
event.mouse.x = scalef(event.mouse.x, tex->width(),
_egl_surface_width);
event.mouse.y = scalef(event.mouse.y, tex->height(),
_egl_surface_height);
event.mouse.x -= _shake_offset;
}
break;
}
default:
break;
}
return true;
}
void OSystem_Android::pushEvent(const Common::Event& event) {
lockMutex(_event_queue_lock);
// Try to combine multiple queued mouse move events
if (event.type == Common::EVENT_MOUSEMOVE &&
!_event_queue.empty() &&
_event_queue.back().type == Common::EVENT_MOUSEMOVE) {
Common::Event tail = _event_queue.back();
if (event.kbd.flags) {
// relative movement hack
tail.mouse.x += event.mouse.x;
tail.mouse.y += event.mouse.y;
} else {
// absolute position, clear relative flag
tail.kbd.flags = 0;
tail.mouse.x = event.mouse.x;
tail.mouse.y = event.mouse.y;
}
} else {
_event_queue.push(event);
}
unlockMutex(_event_queue_lock);
}
uint32 OSystem_Android::getMillis() {
timeval curTime;
gettimeofday(&curTime, 0);
return (uint32)(((curTime.tv_sec - _startTime.tv_sec) * 1000) + \
((curTime.tv_usec - _startTime.tv_usec) / 1000));
}
void OSystem_Android::delayMillis(uint msecs) {
usleep(msecs * 1000);
}
OSystem::MutexRef OSystem_Android::createMutex() {
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_t *mutex = new pthread_mutex_t;
if (pthread_mutex_init(mutex, &attr) != 0) {
warning("pthread_mutex_init() failed");
delete mutex;
return 0;
}
return (MutexRef)mutex;
}
void OSystem_Android::lockMutex(MutexRef mutex) {
if (pthread_mutex_lock((pthread_mutex_t *)mutex) != 0)
warning("pthread_mutex_lock() failed");
}
void OSystem_Android::unlockMutex(MutexRef mutex) {
if (pthread_mutex_unlock((pthread_mutex_t *)mutex) != 0)
warning("pthread_mutex_unlock() failed");
}
void OSystem_Android::deleteMutex(MutexRef mutex) {
pthread_mutex_t *m = (pthread_mutex_t *)mutex;
if (pthread_mutex_destroy(m) != 0)
warning("pthread_mutex_destroy() failed");
else
delete m;
}
void OSystem_Android::quit() {
ENTER();
JNI::setReadyForEvents(false);
_audio_thread_exit = true;
pthread_join(_audio_thread, 0);
_timer_thread_exit = true;
pthread_join(_timer_thread, 0);
delete _game_texture;
delete _overlay_texture;
delete _mouse_texture_palette;
delete _mouse_texture_rgb;
deinitSurface();
}
void OSystem_Android::setWindowCaption(const char *caption) {
ENTER("%s", caption);
JNI::setWindowCaption(caption);
}
void OSystem_Android::displayMessageOnOSD(const char *msg) {
ENTER("%s", msg);
JNI::displayMessageOnOSD(msg);
}
void OSystem_Android::showVirtualKeyboard(bool enable) {
ENTER("%d", enable);
JNI::showVirtualKeyboard(enable);
}
Common::SaveFileManager *OSystem_Android::getSavefileManager() {
assert(_savefile);
return _savefile;
}
Audio::Mixer *OSystem_Android::getMixer() {
assert(_mixer);
return _mixer;
}
Common::TimerManager *OSystem_Android::getTimerManager() {
assert(_timer);
return _timer;
}
void OSystem_Android::getTimeAndDate(TimeDate &td) const {
struct tm tm;
const time_t curTime = time(0);
localtime_r(&curTime, &tm);
td.tm_sec = tm.tm_sec;
td.tm_min = tm.tm_min;
td.tm_hour = tm.tm_hour;
td.tm_mday = tm.tm_mday;
td.tm_mon = tm.tm_mon;
td.tm_year = tm.tm_year;
}
FilesystemFactory *OSystem_Android::getFilesystemFactory() {
return _fsFactory;
}
void OSystem_Android::addSysArchivesToSearchSet(Common::SearchSet &s,
int priority) {
ENTER("");
JNI::addSysArchivesToSearchSet(s, priority);
}
void OSystem_Android::logMessage(LogMessageType::Type type,
const char *message) {
switch (type) {
case LogMessageType::kDebug:
__android_log_write(ANDROID_LOG_DEBUG, android_log_tag, message);
break;
case LogMessageType::kWarning:
__android_log_write(ANDROID_LOG_WARN, android_log_tag, message);
break;
case LogMessageType::kError:
__android_log_write(ANDROID_LOG_ERROR, android_log_tag, message);
break;
}
}
#ifdef DYNAMIC_MODULES
void AndroidPluginProvider::addCustomDirectories(Common::FSList &dirs) const {
((OSystem_Android *)g_system)->addPluginDirectories(dirs);
}
#endif
#endif
|