src/feature/gui/gui-runner.c (view raw)
1/* Copyright (c) 2013-2016 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include "gui-runner.h"
7
8#include <mgba/core/core.h>
9#include <mgba/core/serialize.h>
10#include "feature/gui/gui-config.h"
11#include <mgba/internal/gba/gba.h>
12#include <mgba/internal/gba/input.h>
13#include <mgba/gba/interface.h>
14#include <mgba-util/gui/file-select.h>
15#include <mgba-util/gui/font.h>
16#include <mgba-util/gui/menu.h>
17#include <mgba-util/memory.h>
18#include <mgba-util/png-io.h>
19#include <mgba-util/vfs.h>
20
21#include <sys/time.h>
22
23mLOG_DECLARE_CATEGORY(GUI_RUNNER);
24mLOG_DEFINE_CATEGORY(GUI_RUNNER, "GUI Runner", "gui.runner");
25
26#define AUTOSAVE_GRANULARITY 600
27#define FPS_GRANULARITY 120
28#define FPS_BUFFER_SIZE 3
29
30enum {
31 RUNNER_CONTINUE = 1,
32 RUNNER_EXIT,
33 RUNNER_SAVE_STATE,
34 RUNNER_LOAD_STATE,
35 RUNNER_SCREENSHOT,
36 RUNNER_CONFIG,
37 RUNNER_RESET,
38 RUNNER_COMMAND_MASK = 0xFFFF
39};
40
41#define RUNNER_STATE(X) ((X) << 16)
42
43static const struct mInputPlatformInfo _mGUIKeyInfo = {
44 .platformName = "gui",
45 .keyId = (const char*[GUI_INPUT_MAX]) {
46 "Select",
47 "Back",
48 "Cancel",
49 "Up",
50 "Down",
51 "Left",
52 "Right",
53 [mGUI_INPUT_INCREASE_BRIGHTNESS] = "Increase solar brightness",
54 [mGUI_INPUT_DECREASE_BRIGHTNESS] = "Decrease solar brightness",
55 [mGUI_INPUT_SCREEN_MODE] = "Screen mode",
56 [mGUI_INPUT_SCREENSHOT] = "Take screenshot",
57 [mGUI_INPUT_FAST_FORWARD_HELD] = "Fast forward (held)",
58 [mGUI_INPUT_FAST_FORWARD_TOGGLE] = "Fast forward (toggle)",
59 },
60 .nKeys = GUI_INPUT_MAX
61};
62
63static void _log(struct mLogger*, int category, enum mLogLevel level, const char* format, va_list args);
64
65static struct mGUILogger {
66 struct mLogger d;
67 struct VFile* vf;
68 int logLevel;
69} logger = {
70 .d = {
71 .log = _log
72 },
73 .vf = NULL,
74 .logLevel = 0
75};
76
77static bool _testExtensions(const char* name) {
78 char ext[PATH_MAX] = {};
79 separatePath(name, NULL, NULL, ext);
80
81 if (!strncmp(ext, "sav", PATH_MAX)) {
82 return false;
83 }
84 if (!strncmp(ext, "png", PATH_MAX)) {
85 return false;
86 }
87 if (!strncmp(ext, "ini", PATH_MAX)) {
88 return false;
89 }
90 if (!strncmp(ext, "ss", 2)) {
91 return false;
92 }
93
94 return true;
95}
96
97static void _drawBackground(struct GUIBackground* background, void* context) {
98 UNUSED(context);
99 struct mGUIBackground* gbaBackground = (struct mGUIBackground*) background;
100 if (gbaBackground->p->drawFrame) {
101 gbaBackground->p->drawFrame(gbaBackground->p, true);
102 }
103}
104
105static void _drawState(struct GUIBackground* background, void* id) {
106 struct mGUIBackground* gbaBackground = (struct mGUIBackground*) background;
107 int stateId = ((int) id) >> 16;
108 if (gbaBackground->p->drawScreenshot) {
109 unsigned w, h;
110 gbaBackground->p->core->desiredVideoDimensions(gbaBackground->p->core, &w, &h);
111 if (gbaBackground->screenshot && gbaBackground->screenshotId == (int) id) {
112 gbaBackground->p->drawScreenshot(gbaBackground->p, gbaBackground->screenshot, w, h, true);
113 return;
114 }
115 struct VFile* vf = mCoreGetState(gbaBackground->p->core, stateId, false);
116 color_t* pixels = gbaBackground->screenshot;
117 if (!pixels) {
118 pixels = anonymousMemoryMap(w * h * 4);
119 gbaBackground->screenshot = pixels;
120 }
121 bool success = false;
122 if (vf && isPNG(vf) && pixels) {
123 png_structp png = PNGReadOpen(vf, PNG_HEADER_BYTES);
124 png_infop info = png_create_info_struct(png);
125 png_infop end = png_create_info_struct(png);
126 if (png && info && end) {
127 success = PNGReadHeader(png, info);
128 success = success && PNGReadPixels(png, info, pixels, w, h, w);
129 success = success && PNGReadFooter(png, end);
130 }
131 PNGReadClose(png, info, end);
132 }
133 if (vf) {
134 vf->close(vf);
135 }
136 if (success) {
137 gbaBackground->p->drawScreenshot(gbaBackground->p, pixels, w, h, true);
138 gbaBackground->screenshotId = (int) id;
139 } else if (gbaBackground->p->drawFrame) {
140 gbaBackground->p->drawFrame(gbaBackground->p, true);
141 }
142 }
143}
144
145static void _updateLux(struct GBALuminanceSource* lux) {
146 UNUSED(lux);
147}
148
149static uint8_t _readLux(struct GBALuminanceSource* lux) {
150 struct mGUIRunnerLux* runnerLux = (struct mGUIRunnerLux*) lux;
151 int value = 0x16;
152 if (runnerLux->luxLevel > 0) {
153 value += GBA_LUX_LEVELS[runnerLux->luxLevel - 1];
154 }
155 return 0xFF - value;
156}
157
158static void _tryAutosave(struct mGUIRunner* runner) {
159 int autosave = false;
160 mCoreConfigGetIntValue(&runner->config, "autosave", &autosave);
161 if (!autosave) {
162 return;
163 }
164
165#ifdef DISABLE_THREADING
166 mCoreSaveState(runner->core, 0, SAVESTATE_SAVEDATA | SAVESTATE_RTC | SAVESTATE_METADATA);
167#else
168 if (!runner->autosave.buffer) {
169 runner->autosave.buffer = VFileMemChunk(NULL, 0);
170 }
171 MutexLock(&runner->autosave.mutex);
172 runner->autosave.core = runner->core;
173 mCoreSaveStateNamed(runner->core, runner->autosave.buffer, SAVESTATE_SAVEDATA | SAVESTATE_RTC | SAVESTATE_METADATA);
174 ConditionWake(&runner->autosave.cond);
175 MutexUnlock(&runner->autosave.mutex);
176#endif
177}
178
179void mGUIInit(struct mGUIRunner* runner, const char* port) {
180 GUIInit(&runner->params);
181 runner->port = port;
182 runner->core = NULL;
183 runner->luminanceSource.d.readLuminance = _readLux;
184 runner->luminanceSource.d.sample = _updateLux;
185 runner->luminanceSource.luxLevel = 0;
186 runner->background.d.draw = _drawBackground;
187 runner->background.p = runner;
188 runner->fps = 0;
189 runner->lastFpsCheck = 0;
190 runner->totalDelta = 0;
191 CircleBufferInit(&runner->fpsBuffer, FPS_BUFFER_SIZE * sizeof(uint32_t));
192
193 mInputMapInit(&runner->params.keyMap, &_mGUIKeyInfo);
194 mCoreConfigInit(&runner->config, runner->port);
195 // TODO: Do we need to load more defaults?
196 mCoreConfigSetDefaultIntValue(&runner->config, "volume", 0x100);
197 mCoreConfigSetDefaultValue(&runner->config, "idleOptimization", "detect");
198 mCoreConfigSetDefaultIntValue(&runner->config, "autoload", true);
199#ifdef DISABLE_THREADING
200 mCoreConfigSetDefaultIntValue(&runner->config, "autosave", false);
201#else
202 mCoreConfigSetDefaultIntValue(&runner->config, "autosave", true);
203#endif
204 mCoreConfigLoad(&runner->config);
205 mCoreConfigGetIntValue(&runner->config, "logLevel", &logger.logLevel);
206
207 char path[PATH_MAX];
208 mCoreConfigDirectory(path, PATH_MAX);
209 strncat(path, PATH_SEP "log", PATH_MAX - strlen(path));
210 logger.vf = VFileOpen(path, O_CREAT | O_WRONLY | O_APPEND);
211 mLogSetDefaultLogger(&logger.d);
212
213 const char* lastPath = mCoreConfigGetValue(&runner->config, "lastDirectory");
214 if (lastPath) {
215 strncpy(runner->params.currentPath, lastPath, PATH_MAX - 1);
216 runner->params.currentPath[PATH_MAX - 1] = '\0';
217 }
218
219#ifndef DISABLE_THREADING
220 if (!runner->autosave.running) {
221 runner->autosave.running = true;
222 MutexInit(&runner->autosave.mutex);
223 ConditionInit(&runner->autosave.cond);
224 ThreadCreate(&runner->autosave.thread, mGUIAutosaveThread, &runner->autosave);
225 }
226#endif
227}
228
229void mGUIDeinit(struct mGUIRunner* runner) {
230#ifndef DISABLE_THREADING
231 MutexLock(&runner->autosave.mutex);
232 runner->autosave.running = false;
233 ConditionWake(&runner->autosave.cond);
234 MutexUnlock(&runner->autosave.mutex);
235
236 ThreadJoin(runner->autosave.thread);
237
238 ConditionDeinit(&runner->autosave.cond);
239 MutexDeinit(&runner->autosave.mutex);
240
241 if (runner->autosave.buffer) {
242 runner->autosave.buffer->close(runner->autosave.buffer);
243 }
244#endif
245
246 if (runner->teardown) {
247 runner->teardown(runner);
248 }
249 CircleBufferDeinit(&runner->fpsBuffer);
250 mInputMapDeinit(&runner->params.keyMap);
251 mCoreConfigDeinit(&runner->config);
252 if (logger.vf) {
253 logger.vf->close(logger.vf);
254 logger.vf = NULL;
255 }
256}
257
258static void _log(struct mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
259 struct mGUILogger* guiLogger = (struct mGUILogger*) logger;
260 if (!guiLogger->vf) {
261 return;
262 }
263 if (!(guiLogger->logLevel & level)) {
264 return;
265 }
266
267 char log[256] = {0};
268 vsnprintf(log, sizeof(log) - 1, format, args);
269 char log2[256] = {0};
270 size_t len = snprintf(log2, sizeof(log2) - 1, "%s: %s\n", mLogCategoryName(category), log);
271 if (len >= sizeof(log2)) {
272 len = sizeof(log2) - 1;
273 }
274 if (guiLogger->vf->write(guiLogger->vf, log2, len) < 0) {
275 char path[PATH_MAX];
276 mCoreConfigDirectory(path, PATH_MAX);
277 strncat(path, PATH_SEP "log", PATH_MAX - strlen(path));
278 guiLogger->vf->close(guiLogger->vf);
279 guiLogger->vf = VFileOpen(path, O_CREAT | O_WRONLY | O_APPEND);
280 if (guiLogger->vf->write(guiLogger->vf, log2, len) < 0) {
281 guiLogger->vf->close(guiLogger->vf);
282 guiLogger->vf = NULL;
283 }
284 }
285}
286
287void mGUIRun(struct mGUIRunner* runner, const char* path) {
288 struct mGUIBackground drawState = {
289 .d = {
290 .draw = _drawState
291 },
292 .p = runner,
293 .screenshot = 0,
294 .screenshotId = 0
295 };
296 struct GUIMenu pauseMenu = {
297 .title = "Game Paused",
298 .index = 0,
299 .background = &runner->background.d
300 };
301 struct GUIMenu stateSaveMenu = {
302 .title = "Save state",
303 .index = 0,
304 .background = &drawState.d
305 };
306 struct GUIMenu stateLoadMenu = {
307 .title = "Load state",
308 .index = 0,
309 .background = &drawState.d
310 };
311 GUIMenuItemListInit(&pauseMenu.items, 0);
312 GUIMenuItemListInit(&stateSaveMenu.items, 9);
313 GUIMenuItemListInit(&stateLoadMenu.items, 9);
314 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Unpause", .data = (void*) RUNNER_CONTINUE };
315 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Save state", .submenu = &stateSaveMenu };
316 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Load state", .submenu = &stateLoadMenu };
317
318 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 1", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(1)) };
319 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 2", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(2)) };
320 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 3", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(3)) };
321 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 4", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(4)) };
322 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 5", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(5)) };
323 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 6", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(6)) };
324 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 7", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(7)) };
325 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 8", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(8)) };
326 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 9", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(9)) };
327
328 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "Autosave", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(0)) };
329 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 1", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(1)) };
330 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 2", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(2)) };
331 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 3", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(3)) };
332 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 4", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(4)) };
333 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 5", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(5)) };
334 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 6", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(6)) };
335 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 7", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(7)) };
336 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 8", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(8)) };
337 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 9", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(9)) };
338
339 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Take screenshot", .data = (void*) RUNNER_SCREENSHOT };
340 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Configure", .data = (void*) RUNNER_CONFIG };
341 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Reset game", .data = (void*) RUNNER_RESET };
342 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Exit game", .data = (void*) RUNNER_EXIT };
343
344 runner->params.drawStart();
345 if (runner->params.guiPrepare) {
346 runner->params.guiPrepare();
347 }
348 GUIFontPrint(runner->params.font, runner->params.width / 2, (GUIFontHeight(runner->params.font) + runner->params.height) / 2, GUI_ALIGN_HCENTER, 0xFFFFFFFF, "Loading...");
349 if (runner->params.guiFinish) {
350 runner->params.guiFinish();
351 }
352 runner->params.drawEnd();
353
354 bool found = false;
355 mLOG(GUI_RUNNER, INFO, "Attempting to load %s", path);
356 runner->core = mCoreFind(path);
357 if (runner->core) {
358 mLOG(GUI_RUNNER, INFO, "Found core");
359 runner->core->init(runner->core);
360 mCoreInitConfig(runner->core, runner->port);
361 mInputMapInit(&runner->core->inputMap, &GBAInputInfo);
362 found = mCoreLoadFile(runner->core, path);
363 if (!found) {
364 mLOG(GUI_RUNNER, WARN, "Failed to load %s!", path);
365 runner->core->deinit(runner->core);
366 }
367 }
368
369 if (!found) {
370 mLOG(GUI_RUNNER, WARN, "Failed to find core for %s!", path);
371 GUIShowMessageBox(&runner->params, GUI_MESSAGE_BOX_OK, 240, "Load failed!");
372 return;
373 }
374 if (runner->core->platform(runner->core) == PLATFORM_GBA) {
375 runner->core->setPeripheral(runner->core, mPERIPH_GBA_LUMINANCE, &runner->luminanceSource.d);
376 }
377 mLOG(GUI_RUNNER, DEBUG, "Loading config...");
378 mCoreLoadForeignConfig(runner->core, &runner->config);
379
380 mLOG(GUI_RUNNER, DEBUG, "Loading save...");
381 mCoreAutoloadSave(runner->core);
382 mCoreAutoloadCheats(runner->core);
383 if (runner->setup) {
384 mLOG(GUI_RUNNER, DEBUG, "Setting up runner...");
385 runner->setup(runner);
386 }
387 if (runner->config.port && runner->keySources) {
388 mLOG(GUI_RUNNER, DEBUG, "Loading key sources for %s...", runner->config.port);
389 size_t i;
390 for (i = 0; runner->keySources[i].id; ++i) {
391 mInputMapLoad(&runner->core->inputMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
392 }
393 }
394 mLOG(GUI_RUNNER, DEBUG, "Reseting...");
395 runner->core->reset(runner->core);
396 mLOG(GUI_RUNNER, DEBUG, "Reset!");
397
398
399 int autoload = false;
400 mCoreConfigGetIntValue(&runner->config, "autoload", &autoload);
401 if (autoload) {
402 mCoreLoadState(runner->core, 0, SAVESTATE_SCREENSHOT | SAVESTATE_RTC);
403 }
404
405 bool running = true;
406
407#ifndef DISABLE_THREADING
408 MutexLock(&runner->autosave.mutex);
409 runner->autosave.core = runner->core;
410 MutexUnlock(&runner->autosave.mutex);
411#endif
412
413 if (runner->gameLoaded) {
414 runner->gameLoaded(runner);
415 }
416 mLOG(GUI_RUNNER, INFO, "Game starting");
417 while (running) {
418 CircleBufferClear(&runner->fpsBuffer);
419 runner->totalDelta = 0;
420 runner->fps = 0;
421 struct timeval tv;
422 gettimeofday(&tv, 0);
423 runner->lastFpsCheck = 1000000LL * tv.tv_sec + tv.tv_usec;
424
425 int frame = 0;
426 bool fastForward = false;
427 while (running) {
428 if (runner->running) {
429 running = runner->running(runner);
430 if (!running) {
431 break;
432 }
433 }
434 uint32_t guiKeys;
435 uint32_t heldKeys;
436 GUIPollInput(&runner->params, &guiKeys, &heldKeys);
437 if (guiKeys & (1 << GUI_INPUT_CANCEL)) {
438 break;
439 }
440 if (guiKeys & (1 << mGUI_INPUT_INCREASE_BRIGHTNESS)) {
441 if (runner->luminanceSource.luxLevel < 10) {
442 ++runner->luminanceSource.luxLevel;
443 }
444 }
445 if (guiKeys & (1 << mGUI_INPUT_DECREASE_BRIGHTNESS)) {
446 if (runner->luminanceSource.luxLevel > 0) {
447 --runner->luminanceSource.luxLevel;
448 }
449 }
450 if (guiKeys & (1 << mGUI_INPUT_SCREEN_MODE) && runner->incrementScreenMode) {
451 runner->incrementScreenMode(runner);
452 }
453 if (guiKeys & (1 << mGUI_INPUT_SCREENSHOT)) {
454 mCoreTakeScreenshot(runner->core);
455 }
456 if (runner->setFrameLimiter) {
457 if (guiKeys & (1 << mGUI_INPUT_FAST_FORWARD_TOGGLE)) {
458 fastForward = !fastForward;
459 }
460 if (fastForward || (heldKeys & (1 << mGUI_INPUT_FAST_FORWARD_HELD))) {
461 runner->setFrameLimiter(runner, false);
462 } else {
463 runner->setFrameLimiter(runner, true);
464 }
465 }
466 uint16_t keys = runner->pollGameInput(runner);
467 if (runner->prepareForFrame) {
468 runner->prepareForFrame(runner);
469 }
470 runner->core->setKeys(runner->core, keys);
471 runner->core->runFrame(runner->core);
472 if (runner->drawFrame) {
473 int drawFps = false;
474 mCoreConfigGetIntValue(&runner->config, "fpsCounter", &drawFps);
475
476 runner->params.drawStart();
477 runner->drawFrame(runner, false);
478 if (drawFps) {
479 if (runner->params.guiPrepare) {
480 runner->params.guiPrepare();
481 }
482 GUIFontPrintf(runner->params.font, 0, GUIFontHeight(runner->params.font), GUI_ALIGN_LEFT, 0x7FFFFFFF, "%.2f fps", runner->fps);
483 if (runner->params.guiFinish) {
484 runner->params.guiFinish();
485 }
486 }
487 runner->params.drawEnd();
488
489 if (runner->core->frameCounter(runner->core) % FPS_GRANULARITY == 0) {
490 if (drawFps) {
491 struct timeval tv;
492 gettimeofday(&tv, 0);
493 uint64_t t = 1000000LL * tv.tv_sec + tv.tv_usec;
494 uint64_t delta = t - runner->lastFpsCheck;
495 runner->lastFpsCheck = t;
496 if (delta > 0x7FFFFFFFLL) {
497 CircleBufferClear(&runner->fpsBuffer);
498 runner->fps = 0;
499 }
500 if (CircleBufferSize(&runner->fpsBuffer) == CircleBufferCapacity(&runner->fpsBuffer)) {
501 int32_t last;
502 CircleBufferRead32(&runner->fpsBuffer, &last);
503 runner->totalDelta -= last;
504 }
505 CircleBufferWrite32(&runner->fpsBuffer, delta);
506 runner->totalDelta += delta;
507 runner->fps = (CircleBufferSize(&runner->fpsBuffer) * FPS_GRANULARITY * 1000000.0f) / (runner->totalDelta * sizeof(uint32_t));
508 }
509 }
510 if (frame == AUTOSAVE_GRANULARITY) {
511 frame = 0;
512 _tryAutosave(runner);
513 }
514 ++frame;
515 }
516 }
517
518 if (runner->paused) {
519 runner->paused(runner);
520 }
521 if (runner->setFrameLimiter) {
522 runner->setFrameLimiter(runner, true);
523 }
524
525 GUIInvalidateKeys(&runner->params);
526 uint32_t keys = 0xFFFFFFFF; // Huge hack to avoid an extra variable!
527 struct GUIMenuItem* item;
528 enum GUIMenuExitReason reason = GUIShowMenu(&runner->params, &pauseMenu, &item);
529 if (reason == GUI_MENU_EXIT_ACCEPT) {
530 switch (((int) item->data) & RUNNER_COMMAND_MASK) {
531 case RUNNER_EXIT:
532 running = false;
533 keys = 0;
534 break;
535 case RUNNER_RESET:
536 runner->core->reset(runner->core);
537 break;
538 case RUNNER_SAVE_STATE:
539 mCoreSaveState(runner->core, ((int) item->data) >> 16, SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_RTC | SAVESTATE_METADATA);
540 break;
541 case RUNNER_LOAD_STATE:
542 mCoreLoadState(runner->core, ((int) item->data) >> 16, SAVESTATE_SCREENSHOT | SAVESTATE_RTC);
543 break;
544 case RUNNER_SCREENSHOT:
545 mCoreTakeScreenshot(runner->core);
546 break;
547 case RUNNER_CONFIG:
548 mGUIShowConfig(runner, runner->configExtra, runner->nConfigExtra);
549 break;
550 case RUNNER_CONTINUE:
551 break;
552 }
553 }
554 int frames = 0;
555 GUIPollInput(&runner->params, 0, &keys);
556 while (keys && frames < 30) {
557 ++frames;
558 runner->params.drawStart();
559 runner->drawFrame(runner, true);
560 runner->params.drawEnd();
561#ifdef _3DS
562 // XXX: Why does this fix #1294?
563 usleep(1000);
564#endif
565 GUIPollInput(&runner->params, 0, &keys);
566 }
567 if (runner->unpaused) {
568 runner->unpaused(runner);
569 }
570 }
571 mLOG(GUI_RUNNER, DEBUG, "Shutting down...");
572 if (runner->gameUnloaded) {
573 runner->gameUnloaded(runner);
574 }
575#ifndef DISABLE_THREADING
576 MutexLock(&runner->autosave.mutex);
577 runner->autosave.core = NULL;
578 MutexUnlock(&runner->autosave.mutex);
579#endif
580
581 int autosave = false;
582 mCoreConfigGetIntValue(&runner->config, "autosave", &autosave);
583 if (autosave) {
584 mCoreSaveState(runner->core, 0, SAVESTATE_SAVEDATA | SAVESTATE_RTC | SAVESTATE_METADATA);
585 }
586
587 mLOG(GUI_RUNNER, DEBUG, "Unloading game...");
588 runner->core->unloadROM(runner->core);
589 drawState.screenshotId = 0;
590 if (drawState.screenshot) {
591 unsigned w, h;
592 runner->core->desiredVideoDimensions(runner->core, &w, &h);
593 mappedMemoryFree(drawState.screenshot, w * h * 4);
594 }
595
596 if (runner->config.port) {
597 mLOG(GUI_RUNNER, DEBUG, "Saving key sources...");
598 if (runner->keySources) {
599 size_t i;
600 for (i = 0; runner->keySources[i].id; ++i) {
601 mInputMapSave(&runner->core->inputMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
602 mInputMapSave(&runner->params.keyMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
603 }
604 }
605 mCoreConfigSave(&runner->config);
606 }
607 mInputMapDeinit(&runner->core->inputMap);
608 mLOG(GUI_RUNNER, DEBUG, "Deinitializing core...");
609 runner->core->deinit(runner->core);
610 runner->core = NULL;
611
612 GUIMenuItemListDeinit(&pauseMenu.items);
613 GUIMenuItemListDeinit(&stateSaveMenu.items);
614 GUIMenuItemListDeinit(&stateLoadMenu.items);
615 mLOG(GUI_RUNNER, INFO, "Game stopped!");
616}
617
618void mGUIRunloop(struct mGUIRunner* runner) {
619 if (runner->keySources) {
620 mLOG(GUI_RUNNER, DEBUG, "Loading key sources for %s...", runner->config.port);
621 size_t i;
622 for (i = 0; runner->keySources[i].id; ++i) {
623 mInputMapLoad(&runner->params.keyMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
624 }
625 }
626 while (true) {
627 char path[PATH_MAX];
628 if (!GUISelectFile(&runner->params, path, sizeof(path), _testExtensions, NULL)) {
629 break;
630 }
631 mCoreConfigSetValue(&runner->config, "lastDirectory", runner->params.currentPath);
632 mCoreConfigSave(&runner->config);
633 mGUIRun(runner, path);
634 }
635}
636
637#ifndef DISABLE_THREADING
638THREAD_ENTRY mGUIAutosaveThread(void* context) {
639 struct mGUIAutosaveContext* autosave = context;
640 MutexLock(&autosave->mutex);
641 while (autosave->running) {
642 ConditionWait(&autosave->cond, &autosave->mutex);
643 if (autosave->running && autosave->core) {
644 struct VFile* vf = mCoreGetState(autosave->core, 0, true);
645 void* mem = autosave->buffer->map(autosave->buffer, autosave->buffer->size(autosave->buffer), MAP_READ);
646 vf->write(vf, mem, autosave->buffer->size(autosave->buffer));
647 autosave->buffer->unmap(autosave->buffer, mem, autosave->buffer->size(autosave->buffer));
648 vf->close(vf);
649 }
650 }
651 MutexUnlock(&autosave->mutex);
652}
653#endif