all repos — mgba @ 843413021b8427bf97a023c53441011161da37df

mGBA Game Boy Advance Emulator

src/gba/context/config.c (view raw)

  1/* Copyright (c) 2013-2015 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 "config.h"
  7
  8#include "util/formatting.h"
  9#include "util/string.h"
 10#include "util/vfs.h"
 11
 12#include <sys/stat.h>
 13
 14#ifdef _WIN32
 15#include <windows.h>
 16#include <shlwapi.h>
 17#include <shlobj.h>
 18#include <strsafe.h>
 19#endif
 20
 21#ifdef PSP2
 22#include <psp2/io/stat.h>
 23#endif
 24
 25#ifdef _3DS
 26#include "platform/3ds/3ds-vfs.h"
 27#endif
 28
 29#define SECTION_NAME_MAX 128
 30
 31static const char* _lookupValue(const struct GBAConfig* config, const char* key) {
 32	const char* value;
 33	if (config->port) {
 34		value = ConfigurationGetValue(&config->overridesTable, config->port, key);
 35		if (value) {
 36			return value;
 37		}
 38	}
 39	value = ConfigurationGetValue(&config->overridesTable, 0, key);
 40	if (value) {
 41		return value;
 42	}
 43	if (config->port) {
 44		value = ConfigurationGetValue(&config->configTable, config->port, key);
 45		if (value) {
 46			return value;
 47		}
 48	}
 49	value = ConfigurationGetValue(&config->configTable, 0, key);
 50	if (value) {
 51		return value;
 52	}
 53	if (config->port) {
 54		value = ConfigurationGetValue(&config->defaultsTable, config->port, key);
 55		if (value) {
 56			return value;
 57		}
 58	}
 59	return ConfigurationGetValue(&config->defaultsTable, 0, key);
 60}
 61
 62static bool _lookupCharValue(const struct GBAConfig* config, const char* key, char** out) {
 63	const char* value = _lookupValue(config, key);
 64	if (!value) {
 65		return false;
 66	}
 67	if (*out) {
 68		free(*out);
 69	}
 70	*out = strdup(value);
 71	return true;
 72}
 73
 74static bool _lookupIntValue(const struct GBAConfig* config, const char* key, int* out) {
 75	const char* charValue = _lookupValue(config, key);
 76	if (!charValue) {
 77		return false;
 78	}
 79	char* end;
 80	long value = strtol(charValue, &end, 10);
 81	if (*end) {
 82		return false;
 83	}
 84	*out = value;
 85	return true;
 86}
 87
 88static bool _lookupUIntValue(const struct GBAConfig* config, const char* key, unsigned* out) {
 89	const char* charValue = _lookupValue(config, key);
 90	if (!charValue) {
 91		return false;
 92	}
 93	char* end;
 94	unsigned long value = strtoul(charValue, &end, 10);
 95	if (*end) {
 96		return false;
 97	}
 98	*out = value;
 99	return true;
100}
101
102static bool _lookupFloatValue(const struct GBAConfig* config, const char* key, float* out) {
103	const char* charValue = _lookupValue(config, key);
104	if (!charValue) {
105		return false;
106	}
107	char* end;
108	float value = strtof_u(charValue, &end);
109	if (*end) {
110		return false;
111	}
112	*out = value;
113	return true;
114}
115
116void GBAConfigInit(struct GBAConfig* config, const char* port) {
117	ConfigurationInit(&config->configTable);
118	ConfigurationInit(&config->defaultsTable);
119	ConfigurationInit(&config->overridesTable);
120	if (port) {
121		config->port = malloc(strlen("ports.") + strlen(port) + 1);
122		snprintf(config->port, strlen("ports.") + strlen(port) + 1, "ports.%s", port);
123	} else {
124		config->port = 0;
125	}
126}
127
128void GBAConfigDeinit(struct GBAConfig* config) {
129	ConfigurationDeinit(&config->configTable);
130	ConfigurationDeinit(&config->defaultsTable);
131	ConfigurationDeinit(&config->overridesTable);
132	free(config->port);
133}
134
135bool GBAConfigLoad(struct GBAConfig* config) {
136	char path[PATH_MAX];
137	GBAConfigDirectory(path, PATH_MAX);
138	strncat(path, PATH_SEP "config.ini", PATH_MAX - strlen(path));
139	return GBAConfigLoadPath(config, path);
140}
141
142bool GBAConfigSave(const struct GBAConfig* config) {
143	char path[PATH_MAX];
144	GBAConfigDirectory(path, PATH_MAX);
145	strncat(path, PATH_SEP "config.ini", PATH_MAX - strlen(path));
146	return GBAConfigSavePath(config, path);
147}
148
149bool GBAConfigLoadPath(struct GBAConfig* config, const char* path) {
150	return ConfigurationRead(&config->configTable, path);
151}
152
153bool GBAConfigSavePath(const struct GBAConfig* config, const char* path) {
154	return ConfigurationWrite(&config->configTable, path);
155}
156
157void GBAConfigMakePortable(const struct GBAConfig* config) {
158	struct VFile* portable = 0;
159#ifdef _WIN32
160	char out[MAX_PATH];
161	wchar_t wpath[MAX_PATH];
162	wchar_t wprojectName[MAX_PATH];
163	MultiByteToWideChar(CP_UTF8, 0, projectName, -1, wprojectName, MAX_PATH);
164	HMODULE hModule = GetModuleHandleW(NULL);
165	GetModuleFileNameW(hModule, wpath, MAX_PATH);
166	PathRemoveFileSpecW(wpath);
167	WideCharToMultiByte(CP_UTF8, 0, wpath, -1, out, MAX_PATH, 0, 0);
168	StringCchCatA(out, MAX_PATH, "\\portable.ini");
169	portable = VFileOpen(out, O_WRONLY | O_CREAT);
170#elif defined(PSP2) || defined(_3DS) || defined(GEKKO)
171	// Already portable
172#else
173	char out[PATH_MAX];
174	getcwd(out, PATH_MAX);
175	strncat(out, PATH_SEP "portable.ini", PATH_MAX - strlen(out));
176	portable = VFileOpen(out, O_WRONLY | O_CREAT);
177#endif
178	if (portable) {
179		portable->close(portable);
180		GBAConfigSave(config);
181	}
182}
183
184void GBAConfigDirectory(char* out, size_t outLength) {
185	struct VFile* portable;
186#ifdef _WIN32
187	wchar_t wpath[MAX_PATH];
188	wchar_t wprojectName[MAX_PATH];
189	MultiByteToWideChar(CP_UTF8, 0, projectName, -1, wprojectName, MAX_PATH);
190	HMODULE hModule = GetModuleHandleW(NULL);
191	GetModuleFileNameW(hModule, wpath, MAX_PATH);
192	PathRemoveFileSpecW(wpath);
193	WideCharToMultiByte(CP_UTF8, 0, wpath, -1, out, outLength, 0, 0);
194	StringCchCatA(out, outLength, "\\portable.ini");
195	portable = VFileOpen(out, O_RDONLY);
196	if (portable) {
197		portable->close(portable);
198	} else {
199		wchar_t* home;
200		SHGetKnownFolderPath(&FOLDERID_RoamingAppData, 0, NULL, &home);
201		StringCchPrintfW(wpath, MAX_PATH, L"%ws\\%ws", home, wprojectName);
202		CoTaskMemFree(home);
203		CreateDirectoryW(wpath, NULL);
204	}
205	WideCharToMultiByte(CP_UTF8, 0, wpath, -1, out, outLength, 0, 0);
206#elif defined(PSP2)
207	UNUSED(portable);
208	snprintf(out, outLength, "cache0:/%s", projectName);
209	sceIoMkdir(out, 0777);
210#elif defined(GEKKO)
211	UNUSED(portable);
212	snprintf(out, outLength, "sd:/%s", projectName);
213	mkdir(out, 0777);
214#elif defined(_3DS)
215	snprintf(out, outLength, "/%s", projectName);
216	FSUSER_CreateDirectory(0, sdmcArchive, FS_makePath(PATH_CHAR, out));
217#else
218	getcwd(out, outLength);
219	strncat(out, PATH_SEP "portable.ini", outLength - strlen(out));
220	portable = VFileOpen(out, O_RDONLY);
221	if (portable) {
222		getcwd(out, outLength);
223		portable->close(portable);
224		return;
225	}
226
227	char* home = getenv("HOME");
228	snprintf(out, outLength, "%s/.config", home);
229	mkdir(out, 0755);
230	snprintf(out, outLength, "%s/.config/%s", home, binaryName);
231	mkdir(out, 0755);
232#endif
233}
234
235const char* GBAConfigGetValue(const struct GBAConfig* config, const char* key) {
236	return _lookupValue(config, key);
237}
238
239bool GBAConfigGetIntValue(const struct GBAConfig* config, const char* key, int* value) {
240	return _lookupIntValue(config, key, value);
241}
242
243bool GBAConfigGetUIntValue(const struct GBAConfig* config, const char* key, unsigned* value) {
244	return _lookupUIntValue(config, key, value);
245}
246
247bool GBAConfigGetFloatValue(const struct GBAConfig* config, const char* key, float* value) {
248	return _lookupFloatValue(config, key, value);
249}
250
251void GBAConfigSetValue(struct GBAConfig* config, const char* key, const char* value) {
252	ConfigurationSetValue(&config->configTable, config->port, key, value);
253}
254
255void GBAConfigSetIntValue(struct GBAConfig* config, const char* key, int value) {
256	ConfigurationSetIntValue(&config->configTable, config->port, key, value);
257}
258
259void GBAConfigSetUIntValue(struct GBAConfig* config, const char* key, unsigned value) {
260	ConfigurationSetUIntValue(&config->configTable, config->port, key, value);
261}
262
263void GBAConfigSetFloatValue(struct GBAConfig* config, const char* key, float value) {
264	ConfigurationSetFloatValue(&config->configTable, config->port, key, value);
265}
266
267void GBAConfigSetDefaultValue(struct GBAConfig* config, const char* key, const char* value) {
268	ConfigurationSetValue(&config->defaultsTable, config->port, key, value);
269}
270
271void GBAConfigSetDefaultIntValue(struct GBAConfig* config, const char* key, int value) {
272	ConfigurationSetIntValue(&config->defaultsTable, config->port, key, value);
273}
274
275void GBAConfigSetDefaultUIntValue(struct GBAConfig* config, const char* key, unsigned value) {
276	ConfigurationSetUIntValue(&config->defaultsTable, config->port, key, value);
277}
278
279void GBAConfigSetDefaultFloatValue(struct GBAConfig* config, const char* key, float value) {
280	ConfigurationSetFloatValue(&config->defaultsTable, config->port, key, value);
281}
282
283void GBAConfigSetOverrideValue(struct GBAConfig* config, const char* key, const char* value) {
284	ConfigurationSetValue(&config->overridesTable, config->port, key, value);
285}
286
287void GBAConfigSetOverrideIntValue(struct GBAConfig* config, const char* key, int value) {
288	ConfigurationSetIntValue(&config->overridesTable, config->port, key, value);
289}
290
291void GBAConfigSetOverrideUIntValue(struct GBAConfig* config, const char* key, unsigned value) {
292	ConfigurationSetUIntValue(&config->overridesTable, config->port, key, value);
293}
294
295void GBAConfigSetOverrideFloatValue(struct GBAConfig* config, const char* key, float value) {
296	ConfigurationSetFloatValue(&config->overridesTable, config->port, key, value);
297}
298
299void GBAConfigMap(const struct GBAConfig* config, struct GBAOptions* opts) {
300	_lookupCharValue(config, "bios", &opts->bios);
301	_lookupCharValue(config, "shader", &opts->shader);
302	_lookupIntValue(config, "logLevel", &opts->logLevel);
303	_lookupIntValue(config, "frameskip", &opts->frameskip);
304	_lookupIntValue(config, "volume", &opts->volume);
305	_lookupIntValue(config, "rewindBufferCapacity", &opts->rewindBufferCapacity);
306	_lookupIntValue(config, "rewindBufferInterval", &opts->rewindBufferInterval);
307	_lookupFloatValue(config, "fpsTarget", &opts->fpsTarget);
308	unsigned audioBuffers;
309	if (_lookupUIntValue(config, "audioBuffers", &audioBuffers)) {
310		opts->audioBuffers = audioBuffers;
311	}
312	_lookupUIntValue(config, "sampleRate", &opts->sampleRate);
313
314	int fakeBool;
315	if (_lookupIntValue(config, "useBios", &fakeBool)) {
316		opts->useBios = fakeBool;
317	}
318	if (_lookupIntValue(config, "audioSync", &fakeBool)) {
319		opts->audioSync = fakeBool;
320	}
321	if (_lookupIntValue(config, "videoSync", &fakeBool)) {
322		opts->videoSync = fakeBool;
323	}
324	if (_lookupIntValue(config, "lockAspectRatio", &fakeBool)) {
325		opts->lockAspectRatio = fakeBool;
326	}
327	if (_lookupIntValue(config, "resampleVideo", &fakeBool)) {
328		opts->resampleVideo = fakeBool;
329	}
330	if (_lookupIntValue(config, "suspendScreensaver", &fakeBool)) {
331		opts->suspendScreensaver = fakeBool;
332	}
333	if (_lookupIntValue(config, "mute", &fakeBool)) {
334		opts->mute = fakeBool;
335	}
336	if (_lookupIntValue(config, "skipBios", &fakeBool)) {
337		opts->skipBios = fakeBool;
338	}
339	if (_lookupIntValue(config, "rewindEnable", &fakeBool)) {
340		opts->rewindEnable = fakeBool;
341	}
342
343	_lookupIntValue(config, "fullscreen", &opts->fullscreen);
344	_lookupIntValue(config, "width", &opts->width);
345	_lookupIntValue(config, "height", &opts->height);
346
347	char* idleOptimization = 0;
348	if (_lookupCharValue(config, "idleOptimization", &idleOptimization)) {
349		if (strcasecmp(idleOptimization, "ignore") == 0) {
350			opts->idleOptimization = IDLE_LOOP_IGNORE;
351		} else if (strcasecmp(idleOptimization, "remove") == 0) {
352			opts->idleOptimization = IDLE_LOOP_REMOVE;
353		} else if (strcasecmp(idleOptimization, "detect") == 0) {
354			opts->idleOptimization = IDLE_LOOP_DETECT;
355		}
356		free(idleOptimization);
357	}
358}
359
360void GBAConfigLoadDefaults(struct GBAConfig* config, const struct GBAOptions* opts) {
361	ConfigurationSetValue(&config->defaultsTable, 0, "bios", opts->bios);
362	ConfigurationSetValue(&config->defaultsTable, 0, "shader", opts->shader);
363	ConfigurationSetIntValue(&config->defaultsTable, 0, "skipBios", opts->skipBios);
364	ConfigurationSetIntValue(&config->defaultsTable, 0, "useBios", opts->useBios);
365	ConfigurationSetIntValue(&config->defaultsTable, 0, "logLevel", opts->logLevel);
366	ConfigurationSetIntValue(&config->defaultsTable, 0, "frameskip", opts->frameskip);
367	ConfigurationSetIntValue(&config->defaultsTable, 0, "rewindEnable", opts->rewindEnable);
368	ConfigurationSetIntValue(&config->defaultsTable, 0, "rewindBufferCapacity", opts->rewindBufferCapacity);
369	ConfigurationSetIntValue(&config->defaultsTable, 0, "rewindBufferInterval", opts->rewindBufferInterval);
370	ConfigurationSetFloatValue(&config->defaultsTable, 0, "fpsTarget", opts->fpsTarget);
371	ConfigurationSetUIntValue(&config->defaultsTable, 0, "audioBuffers", opts->audioBuffers);
372	ConfigurationSetUIntValue(&config->defaultsTable, 0, "sampleRate", opts->sampleRate);
373	ConfigurationSetIntValue(&config->defaultsTable, 0, "audioSync", opts->audioSync);
374	ConfigurationSetIntValue(&config->defaultsTable, 0, "videoSync", opts->videoSync);
375	ConfigurationSetIntValue(&config->defaultsTable, 0, "fullscreen", opts->fullscreen);
376	ConfigurationSetIntValue(&config->defaultsTable, 0, "width", opts->width);
377	ConfigurationSetIntValue(&config->defaultsTable, 0, "height", opts->height);
378	ConfigurationSetIntValue(&config->defaultsTable, 0, "volume", opts->volume);
379	ConfigurationSetIntValue(&config->defaultsTable, 0, "mute", opts->mute);
380	ConfigurationSetIntValue(&config->defaultsTable, 0, "lockAspectRatio", opts->lockAspectRatio);
381	ConfigurationSetIntValue(&config->defaultsTable, 0, "resampleVideo", opts->resampleVideo);
382	ConfigurationSetIntValue(&config->defaultsTable, 0, "suspendScreensaver", opts->suspendScreensaver);
383
384	switch (opts->idleOptimization) {
385	case IDLE_LOOP_IGNORE:
386		ConfigurationSetValue(&config->defaultsTable, 0, "idleOptimization", "ignore");
387		break;
388	case IDLE_LOOP_REMOVE:
389		ConfigurationSetValue(&config->defaultsTable, 0, "idleOptimization", "remove");
390		break;
391	case IDLE_LOOP_DETECT:
392		ConfigurationSetValue(&config->defaultsTable, 0, "idleOptimization", "detect");
393		break;
394	}
395}
396
397// These two are basically placeholders in case the internal layout changes, e.g. for loading separate files
398struct Configuration* GBAConfigGetInput(struct GBAConfig* config) {
399	return &config->configTable;
400}
401
402struct Configuration* GBAConfigGetOverrides(struct GBAConfig* config) {
403	return &config->configTable;
404}
405
406void GBAConfigFreeOpts(struct GBAOptions* opts) {
407	free(opts->bios);
408	free(opts->shader);
409	opts->bios = 0;
410	opts->shader = 0;
411}