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
135#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
136bool GBAConfigLoad(struct GBAConfig* config) {
137 char path[PATH_MAX];
138 GBAConfigDirectory(path, PATH_MAX);
139 strncat(path, PATH_SEP "config.ini", PATH_MAX - strlen(path));
140 return GBAConfigLoadPath(config, path);
141}
142
143bool GBAConfigSave(const struct GBAConfig* config) {
144 char path[PATH_MAX];
145 GBAConfigDirectory(path, PATH_MAX);
146 strncat(path, PATH_SEP "config.ini", PATH_MAX - strlen(path));
147 return GBAConfigSavePath(config, path);
148}
149
150bool GBAConfigLoadPath(struct GBAConfig* config, const char* path) {
151 return ConfigurationRead(&config->configTable, path);
152}
153
154bool GBAConfigSavePath(const struct GBAConfig* config, const char* path) {
155 return ConfigurationWrite(&config->configTable, path);
156}
157
158void GBAConfigMakePortable(const struct GBAConfig* config) {
159 struct VFile* portable = 0;
160#ifdef _WIN32
161 char out[MAX_PATH];
162 wchar_t wpath[MAX_PATH];
163 wchar_t wprojectName[MAX_PATH];
164 MultiByteToWideChar(CP_UTF8, 0, projectName, -1, wprojectName, MAX_PATH);
165 HMODULE hModule = GetModuleHandleW(NULL);
166 GetModuleFileNameW(hModule, wpath, MAX_PATH);
167 PathRemoveFileSpecW(wpath);
168 WideCharToMultiByte(CP_UTF8, 0, wpath, -1, out, MAX_PATH, 0, 0);
169 StringCchCatA(out, MAX_PATH, "\\portable.ini");
170 portable = VFileOpen(out, O_WRONLY | O_CREAT);
171#elif defined(PSP2) || defined(_3DS) || defined(GEKKO)
172 // Already portable
173#else
174 char out[PATH_MAX];
175 getcwd(out, PATH_MAX);
176 strncat(out, PATH_SEP "portable.ini", PATH_MAX - strlen(out));
177 portable = VFileOpen(out, O_WRONLY | O_CREAT);
178#endif
179 if (portable) {
180 portable->close(portable);
181 GBAConfigSave(config);
182 }
183}
184
185void GBAConfigDirectory(char* out, size_t outLength) {
186 struct VFile* portable;
187#ifdef _WIN32
188 wchar_t wpath[MAX_PATH];
189 wchar_t wprojectName[MAX_PATH];
190 MultiByteToWideChar(CP_UTF8, 0, projectName, -1, wprojectName, MAX_PATH);
191 HMODULE hModule = GetModuleHandleW(NULL);
192 GetModuleFileNameW(hModule, wpath, MAX_PATH);
193 PathRemoveFileSpecW(wpath);
194 WideCharToMultiByte(CP_UTF8, 0, wpath, -1, out, outLength, 0, 0);
195 StringCchCatA(out, outLength, "\\portable.ini");
196 portable = VFileOpen(out, O_RDONLY);
197 if (portable) {
198 portable->close(portable);
199 } else {
200 wchar_t* home;
201 SHGetKnownFolderPath(&FOLDERID_RoamingAppData, 0, NULL, &home);
202 StringCchPrintfW(wpath, MAX_PATH, L"%ws\\%ws", home, wprojectName);
203 CoTaskMemFree(home);
204 CreateDirectoryW(wpath, NULL);
205 }
206 WideCharToMultiByte(CP_UTF8, 0, wpath, -1, out, outLength, 0, 0);
207#elif defined(PSP2)
208 UNUSED(portable);
209 snprintf(out, outLength, "cache0:/%s", projectName);
210 sceIoMkdir(out, 0777);
211#elif defined(GEKKO)
212 UNUSED(portable);
213 snprintf(out, outLength, "/%s", projectName);
214 mkdir(out, 0777);
215#elif defined(_3DS)
216 snprintf(out, outLength, "/%s", projectName);
217 FSUSER_CreateDirectory(0, sdmcArchive, FS_makePath(PATH_CHAR, out));
218#else
219 getcwd(out, outLength);
220 strncat(out, PATH_SEP "portable.ini", outLength - strlen(out));
221 portable = VFileOpen(out, O_RDONLY);
222 if (portable) {
223 getcwd(out, outLength);
224 portable->close(portable);
225 return;
226 }
227
228 char* home = getenv("HOME");
229 snprintf(out, outLength, "%s/.config", home);
230 mkdir(out, 0755);
231 snprintf(out, outLength, "%s/.config/%s", home, binaryName);
232 mkdir(out, 0755);
233#endif
234}
235#endif
236
237const char* GBAConfigGetValue(const struct GBAConfig* config, const char* key) {
238 return _lookupValue(config, key);
239}
240
241bool GBAConfigGetIntValue(const struct GBAConfig* config, const char* key, int* value) {
242 return _lookupIntValue(config, key, value);
243}
244
245bool GBAConfigGetUIntValue(const struct GBAConfig* config, const char* key, unsigned* value) {
246 return _lookupUIntValue(config, key, value);
247}
248
249bool GBAConfigGetFloatValue(const struct GBAConfig* config, const char* key, float* value) {
250 return _lookupFloatValue(config, key, value);
251}
252
253void GBAConfigSetValue(struct GBAConfig* config, const char* key, const char* value) {
254 ConfigurationSetValue(&config->configTable, config->port, key, value);
255}
256
257void GBAConfigSetIntValue(struct GBAConfig* config, const char* key, int value) {
258 ConfigurationSetIntValue(&config->configTable, config->port, key, value);
259}
260
261void GBAConfigSetUIntValue(struct GBAConfig* config, const char* key, unsigned value) {
262 ConfigurationSetUIntValue(&config->configTable, config->port, key, value);
263}
264
265void GBAConfigSetFloatValue(struct GBAConfig* config, const char* key, float value) {
266 ConfigurationSetFloatValue(&config->configTable, config->port, key, value);
267}
268
269void GBAConfigSetDefaultValue(struct GBAConfig* config, const char* key, const char* value) {
270 ConfigurationSetValue(&config->defaultsTable, config->port, key, value);
271}
272
273void GBAConfigSetDefaultIntValue(struct GBAConfig* config, const char* key, int value) {
274 ConfigurationSetIntValue(&config->defaultsTable, config->port, key, value);
275}
276
277void GBAConfigSetDefaultUIntValue(struct GBAConfig* config, const char* key, unsigned value) {
278 ConfigurationSetUIntValue(&config->defaultsTable, config->port, key, value);
279}
280
281void GBAConfigSetDefaultFloatValue(struct GBAConfig* config, const char* key, float value) {
282 ConfigurationSetFloatValue(&config->defaultsTable, config->port, key, value);
283}
284
285void GBAConfigSetOverrideValue(struct GBAConfig* config, const char* key, const char* value) {
286 ConfigurationSetValue(&config->overridesTable, config->port, key, value);
287}
288
289void GBAConfigSetOverrideIntValue(struct GBAConfig* config, const char* key, int value) {
290 ConfigurationSetIntValue(&config->overridesTable, config->port, key, value);
291}
292
293void GBAConfigSetOverrideUIntValue(struct GBAConfig* config, const char* key, unsigned value) {
294 ConfigurationSetUIntValue(&config->overridesTable, config->port, key, value);
295}
296
297void GBAConfigSetOverrideFloatValue(struct GBAConfig* config, const char* key, float value) {
298 ConfigurationSetFloatValue(&config->overridesTable, config->port, key, value);
299}
300
301void GBAConfigMap(const struct GBAConfig* config, struct GBAOptions* opts) {
302 _lookupCharValue(config, "bios", &opts->bios);
303 _lookupCharValue(config, "shader", &opts->shader);
304 _lookupIntValue(config, "logLevel", &opts->logLevel);
305 _lookupIntValue(config, "frameskip", &opts->frameskip);
306 _lookupIntValue(config, "volume", &opts->volume);
307 _lookupIntValue(config, "rewindBufferCapacity", &opts->rewindBufferCapacity);
308 _lookupIntValue(config, "rewindBufferInterval", &opts->rewindBufferInterval);
309 _lookupFloatValue(config, "fpsTarget", &opts->fpsTarget);
310 unsigned audioBuffers;
311 if (_lookupUIntValue(config, "audioBuffers", &audioBuffers)) {
312 opts->audioBuffers = audioBuffers;
313 }
314 _lookupUIntValue(config, "sampleRate", &opts->sampleRate);
315
316 int fakeBool;
317 if (_lookupIntValue(config, "useBios", &fakeBool)) {
318 opts->useBios = fakeBool;
319 }
320 if (_lookupIntValue(config, "audioSync", &fakeBool)) {
321 opts->audioSync = fakeBool;
322 }
323 if (_lookupIntValue(config, "videoSync", &fakeBool)) {
324 opts->videoSync = fakeBool;
325 }
326 if (_lookupIntValue(config, "lockAspectRatio", &fakeBool)) {
327 opts->lockAspectRatio = fakeBool;
328 }
329 if (_lookupIntValue(config, "resampleVideo", &fakeBool)) {
330 opts->resampleVideo = fakeBool;
331 }
332 if (_lookupIntValue(config, "suspendScreensaver", &fakeBool)) {
333 opts->suspendScreensaver = fakeBool;
334 }
335 if (_lookupIntValue(config, "mute", &fakeBool)) {
336 opts->mute = fakeBool;
337 }
338 if (_lookupIntValue(config, "skipBios", &fakeBool)) {
339 opts->skipBios = fakeBool;
340 }
341 if (_lookupIntValue(config, "rewindEnable", &fakeBool)) {
342 opts->rewindEnable = fakeBool;
343 }
344
345 _lookupIntValue(config, "fullscreen", &opts->fullscreen);
346 _lookupIntValue(config, "width", &opts->width);
347 _lookupIntValue(config, "height", &opts->height);
348
349 char* idleOptimization = 0;
350 if (_lookupCharValue(config, "idleOptimization", &idleOptimization)) {
351 if (strcasecmp(idleOptimization, "ignore") == 0) {
352 opts->idleOptimization = IDLE_LOOP_IGNORE;
353 } else if (strcasecmp(idleOptimization, "remove") == 0) {
354 opts->idleOptimization = IDLE_LOOP_REMOVE;
355 } else if (strcasecmp(idleOptimization, "detect") == 0) {
356 opts->idleOptimization = IDLE_LOOP_DETECT;
357 }
358 free(idleOptimization);
359 }
360}
361
362void GBAConfigLoadDefaults(struct GBAConfig* config, const struct GBAOptions* opts) {
363 ConfigurationSetValue(&config->defaultsTable, 0, "bios", opts->bios);
364 ConfigurationSetValue(&config->defaultsTable, 0, "shader", opts->shader);
365 ConfigurationSetIntValue(&config->defaultsTable, 0, "skipBios", opts->skipBios);
366 ConfigurationSetIntValue(&config->defaultsTable, 0, "useBios", opts->useBios);
367 ConfigurationSetIntValue(&config->defaultsTable, 0, "logLevel", opts->logLevel);
368 ConfigurationSetIntValue(&config->defaultsTable, 0, "frameskip", opts->frameskip);
369 ConfigurationSetIntValue(&config->defaultsTable, 0, "rewindEnable", opts->rewindEnable);
370 ConfigurationSetIntValue(&config->defaultsTable, 0, "rewindBufferCapacity", opts->rewindBufferCapacity);
371 ConfigurationSetIntValue(&config->defaultsTable, 0, "rewindBufferInterval", opts->rewindBufferInterval);
372 ConfigurationSetFloatValue(&config->defaultsTable, 0, "fpsTarget", opts->fpsTarget);
373 ConfigurationSetUIntValue(&config->defaultsTable, 0, "audioBuffers", opts->audioBuffers);
374 ConfigurationSetUIntValue(&config->defaultsTable, 0, "sampleRate", opts->sampleRate);
375 ConfigurationSetIntValue(&config->defaultsTable, 0, "audioSync", opts->audioSync);
376 ConfigurationSetIntValue(&config->defaultsTable, 0, "videoSync", opts->videoSync);
377 ConfigurationSetIntValue(&config->defaultsTable, 0, "fullscreen", opts->fullscreen);
378 ConfigurationSetIntValue(&config->defaultsTable, 0, "width", opts->width);
379 ConfigurationSetIntValue(&config->defaultsTable, 0, "height", opts->height);
380 ConfigurationSetIntValue(&config->defaultsTable, 0, "volume", opts->volume);
381 ConfigurationSetIntValue(&config->defaultsTable, 0, "mute", opts->mute);
382 ConfigurationSetIntValue(&config->defaultsTable, 0, "lockAspectRatio", opts->lockAspectRatio);
383 ConfigurationSetIntValue(&config->defaultsTable, 0, "resampleVideo", opts->resampleVideo);
384 ConfigurationSetIntValue(&config->defaultsTable, 0, "suspendScreensaver", opts->suspendScreensaver);
385
386 switch (opts->idleOptimization) {
387 case IDLE_LOOP_IGNORE:
388 ConfigurationSetValue(&config->defaultsTable, 0, "idleOptimization", "ignore");
389 break;
390 case IDLE_LOOP_REMOVE:
391 ConfigurationSetValue(&config->defaultsTable, 0, "idleOptimization", "remove");
392 break;
393 case IDLE_LOOP_DETECT:
394 ConfigurationSetValue(&config->defaultsTable, 0, "idleOptimization", "detect");
395 break;
396 }
397}
398
399// These two are basically placeholders in case the internal layout changes, e.g. for loading separate files
400struct Configuration* GBAConfigGetInput(struct GBAConfig* config) {
401 return &config->configTable;
402}
403
404struct Configuration* GBAConfigGetOverrides(struct GBAConfig* config) {
405 return &config->configTable;
406}
407
408void GBAConfigFreeOpts(struct GBAOptions* opts) {
409 free(opts->bios);
410 free(opts->shader);
411 opts->bios = 0;
412 opts->shader = 0;
413}