1/* Copyright (c) 2013-2017 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 "CoreManager.h"
  7
  8#include "CoreController.h"
  9#include "LogController.h"
 10
 11#include <QDir>
 12
 13#ifdef M_CORE_GBA
 14#include <mgba/gba/core.h>
 15#endif
 16
 17#include <mgba/core/core.h>
 18#include <mgba-util/vfs.h>
 19
 20using namespace QGBA;
 21
 22void CoreManager::setConfig(const mCoreConfig* config) {
 23	m_config = config;
 24}
 25
 26void CoreManager::setMultiplayerController(MultiplayerController* multiplayer) {
 27	m_multiplayer = multiplayer;
 28}
 29
 30CoreController* CoreManager::loadGame(const QString& path) {
 31	QFileInfo info(path);
 32	if (!info.isReadable()) {
 33		QString fname = info.fileName();
 34		QString base = info.path();
 35		if (base.endsWith("/") || base.endsWith(QDir::separator())) {
 36			base.chop(1);
 37		}
 38		VDir* dir = VDirOpenArchive(base.toUtf8().constData());
 39		if (dir) {
 40			VFile* vf = dir->openFile(dir, fname.toUtf8().constData(), O_RDONLY);
 41			if (vf) {
 42				struct VFile* vfclone = VFileMemChunk(NULL, vf->size(vf));
 43				uint8_t buffer[2048];
 44				ssize_t read;
 45				while ((read = vf->read(vf, buffer, sizeof(buffer))) > 0) {
 46					vfclone->write(vfclone, buffer, read);
 47				}
 48				vf->close(vf);
 49				vf = vfclone;
 50			}
 51			dir->close(dir);
 52			loadGame(vf, fname, base);
 53		} else {
 54			LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
 55		}
 56		return nullptr;
 57	}
 58	VFile* vf = nullptr;
 59	VDir* archive = VDirOpenArchive(path.toUtf8().constData());
 60	if (archive) {
 61		VFile* vfOriginal = VDirFindFirst(archive, [](VFile* vf) {
 62			return mCoreIsCompatible(vf) != PLATFORM_NONE;
 63		});
 64		ssize_t size;
 65		if (vfOriginal && (size = vfOriginal->size(vfOriginal)) > 0) {
 66			void* mem = vfOriginal->map(vfOriginal, size, MAP_READ);
 67			vf = VFileMemChunk(mem, size);
 68			vfOriginal->unmap(vfOriginal, mem, (size_t) read);
 69			vfOriginal->close(vfOriginal);
 70		}
 71	}
 72	QDir dir(info.dir());
 73	if (!vf) {
 74		vf = VFileOpen(info.canonicalFilePath().toUtf8().constData(), O_RDONLY);
 75	}
 76	return loadGame(vf, info.fileName(), dir.canonicalPath());
 77}
 78
 79CoreController* CoreManager::loadGame(VFile* vf, const QString& path, const QString& base) {
 80	if (!vf) {
 81		return nullptr;
 82	}
 83
 84	mCore* core = mCoreFindVF(vf);
 85	if (!core) {
 86		return nullptr;
 87	}
 88
 89	core->init(core);
 90	mCoreInitConfig(core, nullptr);
 91
 92	if (m_config) {
 93		mCoreLoadForeignConfig(core, m_config);
 94	}
 95
 96	if (m_preload) {
 97		mCorePreloadVF(core, vf);
 98	} else {
 99		core->loadROM(core, vf);
100	}
101
102	QByteArray bytes(path.toUtf8());
103	separatePath(bytes.constData(), nullptr, core->dirs.baseName, nullptr);
104
105	QFileInfo info(base + "/" + path);
106	bytes = info.dir().canonicalPath().toUtf8();
107	mDirectorySetAttachBase(&core->dirs, VDirOpen(bytes.constData()));
108	mCoreAutoloadSave(core);
109
110	CoreController* cc = new CoreController(core);
111	if (m_multiplayer) {
112		cc->setMultiplayerController(m_multiplayer);
113	}
114	emit coreLoaded(cc);
115	return cc;
116}
117
118CoreController* CoreManager::loadBIOS(int platform, const QString& path) {
119	QFileInfo info(path);
120	VFile* vf = VFileOpen(info.canonicalFilePath().toUtf8().constData(), O_RDONLY);
121	if (!vf) {
122		return nullptr;
123	}
124
125	mCore* core = nullptr;
126	switch (platform) {
127#ifdef M_CORE_GBA
128	case PLATFORM_GBA:
129		core = GBACoreCreate();
130		break;
131#endif
132	default:
133		vf->close(vf);
134		return nullptr;
135	}
136	if (!core) {
137		vf->close(vf);
138		return nullptr;
139	}
140
141	core->init(core);
142	mCoreInitConfig(core, nullptr);
143
144	if (m_config) {
145		mCoreLoadForeignConfig(core, m_config);
146	}
147
148	core->loadBIOS(core, vf, 0);
149
150	mCoreConfigSetOverrideIntValue(&core->config, "useBios", 1);
151	mCoreConfigSetOverrideIntValue(&core->config, "skipBios", 0);
152
153	QByteArray bytes(info.baseName().toUtf8());
154	strncpy(core->dirs.baseName, bytes.constData(), sizeof(core->dirs.baseName));
155
156	bytes = info.dir().canonicalPath().toUtf8();
157	mDirectorySetAttachBase(&core->dirs, VDirOpen(bytes.constData()));
158
159	CoreController* cc = new CoreController(core);
160	if (m_multiplayer) {
161		cc->setMultiplayerController(m_multiplayer);
162	}
163	emit coreLoaded(cc);
164	return cc;
165}