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 "directories.h"
  7
  8#include "gba/context/config.h"
  9#include "util/vfs.h"
 10
 11void GBADirectorySetInit(struct GBADirectorySet* dirs) {
 12	dirs->base = 0;
 13	dirs->archive = 0;
 14	dirs->save = 0;
 15	dirs->patch = 0;
 16	dirs->state = 0;
 17	dirs->screenshot = 0;
 18}
 19
 20void GBADirectorySetDeinit(struct GBADirectorySet* dirs) {
 21	GBADirectorySetDetachBase(dirs);
 22
 23	if (dirs->archive) {
 24		dirs->archive->close(dirs->archive);
 25		dirs->archive = 0;
 26	}
 27
 28	if (dirs->save) {
 29		dirs->save->close(dirs->save);
 30		dirs->save = 0;
 31	}
 32
 33	if (dirs->patch) {
 34		dirs->patch->close(dirs->patch);
 35		dirs->patch = 0;
 36	}
 37
 38	if (dirs->state) {
 39		dirs->state->close(dirs->state);
 40		dirs->state = 0;
 41	}
 42
 43	if (dirs->screenshot) {
 44		dirs->screenshot->close(dirs->screenshot);
 45		dirs->screenshot = 0;
 46	}
 47}
 48
 49void GBADirectorySetAttachBase(struct GBADirectorySet* dirs, struct VDir* base) {
 50	dirs->base = base;
 51	if (!dirs->save) {
 52		dirs->save = dirs->base;
 53	}
 54	if (!dirs->patch) {
 55		dirs->patch = dirs->base;
 56	}
 57	if (!dirs->state) {
 58		dirs->state = dirs->base;
 59	}
 60	if (!dirs->screenshot) {
 61		dirs->screenshot = dirs->base;
 62	}
 63}
 64
 65void GBADirectorySetDetachBase(struct GBADirectorySet* dirs) {
 66	if (dirs->save == dirs->base) {
 67		dirs->save = 0;
 68	}
 69	if (dirs->patch == dirs->base) {
 70		dirs->patch = 0;
 71	}
 72	if (dirs->state == dirs->base) {
 73		dirs->state = 0;
 74	}
 75	if (dirs->screenshot == dirs->base) {
 76		dirs->screenshot = 0;
 77	}
 78
 79	if (dirs->base) {
 80		dirs->base->close(dirs->base);
 81		dirs->base = 0;
 82	}
 83}
 84
 85struct VFile* GBADirectorySetOpenPath(struct GBADirectorySet* dirs, const char* path, bool (*filter)(struct VFile*)) {
 86	dirs->archive = VDirOpenArchive(path);
 87	struct VFile* file;
 88	if (dirs->archive) {
 89		file = VDirFindFirst(dirs->archive, filter);
 90		if (!file) {
 91			dirs->archive->close(dirs->archive);
 92			dirs->archive = 0;
 93		}
 94	} else {
 95		file = VFileOpen(path, O_RDONLY);
 96		if (file && !filter(file)) {
 97			file->close(file);
 98			file = 0;
 99		}
100	}
101	return file;
102}
103
104void GBADirectorySetMapOptions(struct GBADirectorySet* dirs, const struct GBAOptions* opts) {
105	if (opts->savegamePath) {
106		struct VDir* dir = VDirOpen(opts->savegamePath);
107		if (dir) {
108			if (dirs->save && dirs->save != dirs->base) {
109				dirs->save->close(dirs->save);
110			}
111			dirs->save = dir;
112		}
113	}
114
115	if (opts->savestatePath) {
116		struct VDir* dir = VDirOpen(opts->savestatePath);
117		if (dir) {
118			if (dirs->state && dirs->state != dirs->base) {
119				dirs->state->close(dirs->state);
120			}
121			dirs->state = dir;
122		}
123	}
124
125	if (opts->screenshotPath) {
126		struct VDir* dir = VDirOpen(opts->screenshotPath);
127		if (dir) {
128			if (dirs->screenshot && dirs->screenshot != dirs->base) {
129				dirs->screenshot->close(dirs->screenshot);
130			}
131			dirs->screenshot = dir;
132		}
133	}
134
135	if (opts->patchPath) {
136		struct VDir* dir = VDirOpen(opts->patchPath);
137		if (dir) {
138			if (dirs->patch && dirs->patch != dirs->base) {
139				dirs->patch->close(dirs->patch);
140			}
141			dirs->patch = dir;
142		}
143	}
144}