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 runner->autosave.core = NULL;
223 MutexInit(&runner->autosave.mutex);
224 ConditionInit(&runner->autosave.cond);
225 ThreadCreate(&runner->autosave.thread, mGUIAutosaveThread, &runner->autosave);
226 }
227#endif
228}
229
230void mGUIDeinit(struct mGUIRunner* runner) {
231#ifndef DISABLE_THREADING
232 MutexLock(&runner->autosave.mutex);
233 runner->autosave.running = false;
234 ConditionWake(&runner->autosave.cond);
235 MutexUnlock(&runner->autosave.mutex);
236
237 ThreadJoin(&runner->autosave.thread);
238
239 ConditionDeinit(&runner->autosave.cond);
240 MutexDeinit(&runner->autosave.mutex);
241
242 if (runner->autosave.buffer) {
243 runner->autosave.buffer->close(runner->autosave.buffer);
244 }
245#endif
246
247 if (runner->teardown) {
248 runner->teardown(runner);
249 }
250 CircleBufferDeinit(&runner->fpsBuffer);
251 mInputMapDeinit(&runner->params.keyMap);
252 mCoreConfigDeinit(&runner->config);
253 if (logger.vf) {
254 logger.vf->close(logger.vf);
255 logger.vf = NULL;
256 }
257}
258
259static void _log(struct mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
260 struct mGUILogger* guiLogger = (struct mGUILogger*) logger;
261 if (!guiLogger->vf) {
262 return;
263 }
264 if (!(guiLogger->logLevel & level)) {
265 return;
266 }
267
268 char log[256] = {0};
269 vsnprintf(log, sizeof(log) - 1, format, args);
270 char log2[256] = {0};
271 size_t len = snprintf(log2, sizeof(log2) - 1, "%s: %s\n", mLogCategoryName(category), log);
272 if (len >= sizeof(log2)) {
273 len = sizeof(log2) - 1;
274 }
275 if (guiLogger->vf->write(guiLogger->vf, log2, len) < 0) {
276 char path[PATH_MAX];
277 mCoreConfigDirectory(path, PATH_MAX);
278 strncat(path, PATH_SEP "log", PATH_MAX - strlen(path));
279 guiLogger->vf->close(guiLogger->vf);
280 guiLogger->vf = VFileOpen(path, O_CREAT | O_WRONLY | O_APPEND);
281 if (guiLogger->vf->write(guiLogger->vf, log2, len) < 0) {
282 guiLogger->vf->close(guiLogger->vf);
283 guiLogger->vf = NULL;
284 }
285 }
286}
287
288void mGUIRun(struct mGUIRunner* runner, const char* path) {
289 struct mGUIBackground drawState = {
290 .d = {
291 .draw = _drawState
292 },
293 .p = runner,
294 .screenshot = 0,
295 .screenshotId = 0
296 };
297 struct GUIMenu pauseMenu = {
298 .title = "Game Paused",
299 .index = 0,
300 .background = &runner->background.d
301 };
302 struct GUIMenu stateSaveMenu = {
303 .title = "Save state",
304 .index = 0,
305 .background = &drawState.d
306 };
307 struct GUIMenu stateLoadMenu = {
308 .title = "Load state",
309 .index = 0,
310 .background = &drawState.d
311 };
312 GUIMenuItemListInit(&pauseMenu.items, 0);
313 GUIMenuItemListInit(&stateSaveMenu.items, 9);
314 GUIMenuItemListInit(&stateLoadMenu.items, 9);
315 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Unpause", .data = (void*) RUNNER_CONTINUE };
316 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Save state", .submenu = &stateSaveMenu };
317 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Load state", .submenu = &stateLoadMenu };
318
319 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 1", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(1)) };
320 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 2", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(2)) };
321 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 3", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(3)) };
322 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 4", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(4)) };
323 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 5", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(5)) };
324 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 6", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(6)) };
325 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 7", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(7)) };
326 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 8", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(8)) };
327 *GUIMenuItemListAppend(&stateSaveMenu.items) = (struct GUIMenuItem) { .title = "State 9", .data = (void*) (RUNNER_SAVE_STATE | RUNNER_STATE(9)) };
328
329 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "Autosave", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(0)) };
330 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 1", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(1)) };
331 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 2", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(2)) };
332 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 3", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(3)) };
333 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 4", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(4)) };
334 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 5", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(5)) };
335 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 6", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(6)) };
336 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 7", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(7)) };
337 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 8", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(8)) };
338 *GUIMenuItemListAppend(&stateLoadMenu.items) = (struct GUIMenuItem) { .title = "State 9", .data = (void*) (RUNNER_LOAD_STATE | RUNNER_STATE(9)) };
339
340 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Take screenshot", .data = (void*) RUNNER_SCREENSHOT };
341 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Configure", .data = (void*) RUNNER_CONFIG };
342 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Reset game", .data = (void*) RUNNER_RESET };
343 *GUIMenuItemListAppend(&pauseMenu.items) = (struct GUIMenuItem) { .title = "Exit game", .data = (void*) RUNNER_EXIT };
344
345 runner->params.drawStart();
346 if (runner->params.guiPrepare) {
347 runner->params.guiPrepare();
348 }
349 GUIFontPrint(runner->params.font, runner->params.width / 2, (GUIFontHeight(runner->params.font) + runner->params.height) / 2, GUI_ALIGN_HCENTER, 0xFFFFFFFF, "Loading...");
350 if (runner->params.guiFinish) {
351 runner->params.guiFinish();
352 }
353 runner->params.drawEnd();
354
355 bool found = false;
356 mLOG(GUI_RUNNER, INFO, "Attempting to load %s", path);
357 runner->core = mCoreFind(path);
358 if (runner->core) {
359 mLOG(GUI_RUNNER, INFO, "Found core");
360 runner->core->init(runner->core);
361 mCoreInitConfig(runner->core, runner->port);
362 mInputMapInit(&runner->core->inputMap, &GBAInputInfo);
363 found = mCoreLoadFile(runner->core, path);
364 if (!found) {
365 mLOG(GUI_RUNNER, WARN, "Failed to load %s!", path);
366 mCoreConfigDeinit(&runner->core->config);
367 runner->core->deinit(runner->core);
368 }
369 }
370
371 if (!found) {
372 mLOG(GUI_RUNNER, WARN, "Failed to find core for %s!", path);
373 GUIShowMessageBox(&runner->params, GUI_MESSAGE_BOX_OK, 240, "Load failed!");
374 return;
375 }
376 if (runner->core->platform(runner->core) == PLATFORM_GBA) {
377 runner->core->setPeripheral(runner->core, mPERIPH_GBA_LUMINANCE, &runner->luminanceSource.d);
378 }
379 mLOG(GUI_RUNNER, DEBUG, "Loading config...");
380 mCoreLoadForeignConfig(runner->core, &runner->config);
381
382 mLOG(GUI_RUNNER, DEBUG, "Loading save...");
383 mCoreAutoloadSave(runner->core);
384 mCoreAutoloadCheats(runner->core);
385 if (runner->setup) {
386 mLOG(GUI_RUNNER, DEBUG, "Setting up runner...");
387 runner->setup(runner);
388 }
389 if (runner->config.port && runner->keySources) {
390 mLOG(GUI_RUNNER, DEBUG, "Loading key sources for %s...", runner->config.port);
391 size_t i;
392 for (i = 0; runner->keySources[i].id; ++i) {
393 mInputMapLoad(&runner->core->inputMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
394 }
395 }
396 mLOG(GUI_RUNNER, DEBUG, "Reseting...");
397 runner->core->reset(runner->core);
398 mLOG(GUI_RUNNER, DEBUG, "Reset!");
399
400
401 int autoload = false;
402 mCoreConfigGetIntValue(&runner->config, "autoload", &autoload);
403 if (autoload) {
404 mCoreLoadState(runner->core, 0, SAVESTATE_SCREENSHOT | SAVESTATE_RTC);
405 }
406
407 bool running = true;
408
409#ifndef DISABLE_THREADING
410 MutexLock(&runner->autosave.mutex);
411 runner->autosave.core = runner->core;
412 MutexUnlock(&runner->autosave.mutex);
413#endif
414
415 if (runner->gameLoaded) {
416 runner->gameLoaded(runner);
417 }
418 mLOG(GUI_RUNNER, INFO, "Game starting");
419 while (running) {
420 CircleBufferClear(&runner->fpsBuffer);
421 runner->totalDelta = 0;
422 runner->fps = 0;
423 struct timeval tv;
424 gettimeofday(&tv, 0);
425 runner->lastFpsCheck = 1000000LL * tv.tv_sec + tv.tv_usec;
426
427 int frame = 0;
428 bool fastForward = false;
429 while (running) {
430 if (runner->running) {
431 running = runner->running(runner);
432 if (!running) {
433 break;
434 }
435 }
436 uint32_t guiKeys;
437 uint32_t heldKeys;
438 GUIPollInput(&runner->params, &guiKeys, &heldKeys);
439 if (guiKeys & (1 << GUI_INPUT_CANCEL)) {
440 break;
441 }
442 if (guiKeys & (1 << mGUI_INPUT_INCREASE_BRIGHTNESS)) {
443 if (runner->luminanceSource.luxLevel < 10) {
444 ++runner->luminanceSource.luxLevel;
445 }
446 }
447 if (guiKeys & (1 << mGUI_INPUT_DECREASE_BRIGHTNESS)) {
448 if (runner->luminanceSource.luxLevel > 0) {
449 --runner->luminanceSource.luxLevel;
450 }
451 }
452 if (guiKeys & (1 << mGUI_INPUT_SCREEN_MODE) && runner->incrementScreenMode) {
453 runner->incrementScreenMode(runner);
454 }
455 if (guiKeys & (1 << mGUI_INPUT_SCREENSHOT)) {
456 mCoreTakeScreenshot(runner->core);
457 }
458 if (runner->setFrameLimiter) {
459 if (guiKeys & (1 << mGUI_INPUT_FAST_FORWARD_TOGGLE)) {
460 fastForward = !fastForward;
461 }
462 if (fastForward || (heldKeys & (1 << mGUI_INPUT_FAST_FORWARD_HELD))) {
463 runner->setFrameLimiter(runner, false);
464 } else {
465 runner->setFrameLimiter(runner, true);
466 }
467 }
468 uint16_t keys = runner->pollGameInput(runner);
469 if (runner->prepareForFrame) {
470 runner->prepareForFrame(runner);
471 }
472 runner->core->setKeys(runner->core, keys);
473 runner->core->runFrame(runner->core);
474 if (runner->drawFrame) {
475 int drawFps = false;
476 mCoreConfigGetIntValue(&runner->config, "fpsCounter", &drawFps);
477
478 runner->params.drawStart();
479 runner->drawFrame(runner, false);
480 if (drawFps) {
481 if (runner->params.guiPrepare) {
482 runner->params.guiPrepare();
483 }
484 GUIFontPrintf(runner->params.font, 0, GUIFontHeight(runner->params.font), GUI_ALIGN_LEFT, 0x7FFFFFFF, "%.2f fps", runner->fps);
485 if (runner->params.guiFinish) {
486 runner->params.guiFinish();
487 }
488 }
489 runner->params.drawEnd();
490
491 if (runner->core->frameCounter(runner->core) % FPS_GRANULARITY == 0) {
492 if (drawFps) {
493 struct timeval tv;
494 gettimeofday(&tv, 0);
495 uint64_t t = 1000000LL * tv.tv_sec + tv.tv_usec;
496 uint64_t delta = t - runner->lastFpsCheck;
497 runner->lastFpsCheck = t;
498 if (delta > 0x7FFFFFFFLL) {
499 CircleBufferClear(&runner->fpsBuffer);
500 runner->fps = 0;
501 }
502 if (CircleBufferSize(&runner->fpsBuffer) == CircleBufferCapacity(&runner->fpsBuffer)) {
503 int32_t last;
504 CircleBufferRead32(&runner->fpsBuffer, &last);
505 runner->totalDelta -= last;
506 }
507 CircleBufferWrite32(&runner->fpsBuffer, delta);
508 runner->totalDelta += delta;
509 runner->fps = (CircleBufferSize(&runner->fpsBuffer) * FPS_GRANULARITY * 1000000.0f) / (runner->totalDelta * sizeof(uint32_t));
510 }
511 }
512 if (frame == AUTOSAVE_GRANULARITY) {
513 frame = 0;
514 _tryAutosave(runner);
515 }
516 ++frame;
517 }
518 }
519
520 if (runner->paused) {
521 runner->paused(runner);
522 }
523 if (runner->setFrameLimiter) {
524 runner->setFrameLimiter(runner, true);
525 }
526
527 GUIInvalidateKeys(&runner->params);
528 uint32_t keys = 0xFFFFFFFF; // Huge hack to avoid an extra variable!
529 struct GUIMenuItem* item;
530 enum GUIMenuExitReason reason = GUIShowMenu(&runner->params, &pauseMenu, &item);
531 if (reason == GUI_MENU_EXIT_ACCEPT) {
532 switch (((int) item->data) & RUNNER_COMMAND_MASK) {
533 case RUNNER_EXIT:
534 running = false;
535 keys = 0;
536 break;
537 case RUNNER_RESET:
538 runner->core->reset(runner->core);
539 break;
540 case RUNNER_SAVE_STATE:
541 mCoreSaveState(runner->core, ((int) item->data) >> 16, SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_RTC | SAVESTATE_METADATA);
542 break;
543 case RUNNER_LOAD_STATE:
544 mCoreLoadState(runner->core, ((int) item->data) >> 16, SAVESTATE_SCREENSHOT | SAVESTATE_RTC);
545 break;
546 case RUNNER_SCREENSHOT:
547 mCoreTakeScreenshot(runner->core);
548 break;
549 case RUNNER_CONFIG:
550 mGUIShowConfig(runner, runner->configExtra, runner->nConfigExtra);
551 break;
552 case RUNNER_CONTINUE:
553 break;
554 }
555 }
556 int frames = 0;
557 GUIPollInput(&runner->params, 0, &keys);
558 while (keys && frames < 30) {
559 ++frames;
560 runner->params.drawStart();
561 runner->drawFrame(runner, true);
562 runner->params.drawEnd();
563#ifdef _3DS
564 // XXX: Why does this fix #1294?
565 usleep(1000);
566#endif
567 GUIPollInput(&runner->params, 0, &keys);
568 }
569 if (runner->unpaused) {
570 runner->unpaused(runner);
571 }
572 }
573 mLOG(GUI_RUNNER, DEBUG, "Shutting down...");
574 if (runner->gameUnloaded) {
575 runner->gameUnloaded(runner);
576 }
577#ifndef DISABLE_THREADING
578 MutexLock(&runner->autosave.mutex);
579 runner->autosave.core = NULL;
580 MutexUnlock(&runner->autosave.mutex);
581#endif
582
583 int autosave = false;
584 mCoreConfigGetIntValue(&runner->config, "autosave", &autosave);
585 if (autosave) {
586 mCoreSaveState(runner->core, 0, SAVESTATE_SAVEDATA | SAVESTATE_RTC | SAVESTATE_METADATA);
587 }
588
589 mLOG(GUI_RUNNER, DEBUG, "Unloading game...");
590 runner->core->unloadROM(runner->core);
591 drawState.screenshotId = 0;
592 if (drawState.screenshot) {
593 unsigned w, h;
594 runner->core->desiredVideoDimensions(runner->core, &w, &h);
595 mappedMemoryFree(drawState.screenshot, w * h * 4);
596 }
597
598 if (runner->config.port) {
599 mLOG(GUI_RUNNER, DEBUG, "Saving key sources...");
600 if (runner->keySources) {
601 size_t i;
602 for (i = 0; runner->keySources[i].id; ++i) {
603 mInputMapSave(&runner->core->inputMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
604 mInputMapSave(&runner->params.keyMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
605 }
606 }
607 mCoreConfigSave(&runner->config);
608 }
609 mInputMapDeinit(&runner->core->inputMap);
610 mLOG(GUI_RUNNER, DEBUG, "Deinitializing core...");
611 mCoreConfigDeinit(&runner->core->config);
612 runner->core->deinit(runner->core);
613 runner->core = NULL;
614
615 GUIMenuItemListDeinit(&pauseMenu.items);
616 GUIMenuItemListDeinit(&stateSaveMenu.items);
617 GUIMenuItemListDeinit(&stateLoadMenu.items);
618 mLOG(GUI_RUNNER, INFO, "Game stopped!");
619}
620
621void mGUIRunloop(struct mGUIRunner* runner) {
622 if (runner->keySources) {
623 mLOG(GUI_RUNNER, DEBUG, "Loading key sources for %s...", runner->config.port);
624 size_t i;
625 for (i = 0; runner->keySources[i].id; ++i) {
626 mInputMapLoad(&runner->params.keyMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
627 }
628 }
629 while (true) {
630 char path[PATH_MAX];
631 if (!GUISelectFile(&runner->params, path, sizeof(path), _testExtensions, NULL)) {
632 break;
633 }
634 mCoreConfigSetValue(&runner->config, "lastDirectory", runner->params.currentPath);
635 mCoreConfigSave(&runner->config);
636 mGUIRun(runner, path);
637 }
638}
639
640#ifndef DISABLE_THREADING
641THREAD_ENTRY mGUIAutosaveThread(void* context) {
642 struct mGUIAutosaveContext* autosave = context;
643 MutexLock(&autosave->mutex);
644 while (autosave->running) {
645 ConditionWait(&autosave->cond, &autosave->mutex);
646 if (autosave->running && autosave->core) {
647 struct VFile* vf = mCoreGetState(autosave->core, 0, true);
648 void* mem = autosave->buffer->map(autosave->buffer, autosave->buffer->size(autosave->buffer), MAP_READ);
649 vf->write(vf, mem, autosave->buffer->size(autosave->buffer));
650 autosave->buffer->unmap(autosave->buffer, mem, autosave->buffer->size(autosave->buffer));
651 vf->close(vf);
652 }
653 }
654 MutexUnlock(&autosave->mutex);
655}
656#endif