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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "lastexpress/resource.h"
+
+#include "lastexpress/data/background.h"
+#include "lastexpress/data/cursor.h"
+#include "lastexpress/data/font.h"
+
+#include "lastexpress/debug.h"
+
+#include "common/debug.h"
+#include "common/file.h"
+
+namespace LastExpress {
+
+const char *archiveDemoPath = "demo.hpf";
+const char *archiveHDPath = "hd.hpf";
+const char *archiveCD1Path = "cd1.hpf";
+const char *archiveCD2Path = "cd2.hpf";
+const char *archiveCD3Path = "cd3.hpf";
+
+ResourceManager::ResourceManager(bool isDemo) : _isDemo(isDemo) {
+}
+
+ResourceManager::~ResourceManager() {
+ reset();
+}
+
+bool ResourceManager::isArchivePresent(ArchiveIndex type) {
+ switch (type) {
+ default:
+ case kArchiveAll:
+ error("ResourceManager::isArchivePresent: Only checks for single CDs are valid!");
+
+ case kArchiveCd1:
+ return Common::File::exists(archiveCD1Path);
+
+ case kArchiveCd2:
+ return Common::File::exists(archiveCD2Path);
+
+ case kArchiveCd3:
+ return Common::File::exists(archiveCD3Path);
+ }
+}
+
+// Load a specific archive collection
+// - type is ignored in the demo version
+// - use ArchiveAll to load all three cds
+// - HD.hpf is always loaded along with the selected archive(s)
+// - will remove all other archives
+bool ResourceManager::loadArchive(ArchiveIndex type) {
+ // Unload all archives
+ reset();
+
+ // Demo version
+ if (_isDemo)
+ return loadArchive(archiveDemoPath);
+
+ // Load HD
+ if (!loadArchive(archiveHDPath))
+ return false;
+
+ switch(type) {
+ case kArchiveCd1:
+ return loadArchive(archiveCD1Path);
+
+ case kArchiveCd2:
+ return loadArchive(archiveCD2Path);
+
+ case kArchiveCd3:
+ return loadArchive(archiveCD3Path);
+
+ case kArchiveAll:
+ default:
+ if (loadArchive(archiveCD1Path))
+ if (loadArchive(archiveCD2Path))
+ return loadArchive(archiveCD3Path);
+ break;
+ }
+
+ return false;
+}
+
+void ResourceManager::reset() {
+ // Free the loaded archives
+ for (Common::Array<HPFArchive *>::iterator it = _archives.begin(); it != _archives.end(); ++it) {
+ delete (*it);
+ }
+ _archives.clear();
+}
+
+bool ResourceManager::loadArchive(const Common::String &name) {
+ HPFArchive *archive = new HPFArchive(name);
+
+ if (archive->count() == 0) {
+ debugC(2, kLastExpressDebugResource, "Error opening archive: %s", name.c_str());
+
+ delete archive;
+
+ return false;
+ }
+
+ _archives.push_back(archive);
+
+ return true;
+}
+
+// Get a stream to file in the archive
+// - same as createReadStreamForMember except it checks if the file exists and will assert / output a debug message if not
+Common::SeekableReadStream *ResourceManager::getFileStream(const Common::String &name) {
+
+ // Check if the file exits in the archive
+ if (!hasFile(name)) {
+//#ifdef _DEBUG
+// error("ResourceManager::getFileStream: cannot open file: %s", name.c_str());
+//#endif
+ debugC(2, kLastExpressDebugResource, "Error opening file: %s", name.c_str());
+ return NULL;
+ }
+
+ debugC(2, kLastExpressDebugResource, "Opening file: %s", name.c_str());
+
+ return createReadStreamForMember(name);
+}
+
+//////////////////////////////////////////////////////////////////////////
+// Archive functions
+//////////////////////////////////////////////////////////////////////////
+bool ResourceManager::hasFile(const Common::String &name) {
+ for (Common::Array<HPFArchive *>::iterator it = _archives.begin(); it != _archives.end(); ++it) {
+ if ((*it)->hasFile(name))
+ return true;
+ }
+
+ return false;
+}
+
+int ResourceManager::listMembers(Common::ArchiveMemberList &list) {
+ int count = 0;
+
+ for (Common::Array<HPFArchive *>::iterator it = _archives.begin(); it != _archives.end(); ++it) {
+
+ Common::ArchiveMemberList members;
+ count += (*it)->listMembers(members);
+
+ list.insert(list.end(), members.begin(), members.end());
+ }
+
+ return count;
+}
+
+Common::ArchiveMemberPtr ResourceManager::getMember(const Common::String &name) {
+ if (!hasFile(name))
+ return Common::ArchiveMemberPtr();
+
+ return Common::ArchiveMemberPtr(new Common::GenericArchiveMember(name, this));
+}
+
+Common::SeekableReadStream *ResourceManager::createReadStreamForMember(const Common::String &name) const {
+ for (Common::Array<HPFArchive * const>::iterator it = _archives.begin(); it != _archives.end(); ++it) {
+
+ Common::SeekableReadStream *stream = (*it)->createReadStreamForMember(name);
+
+ if (stream)
+ return stream;
+ }
+
+ return NULL;
+}
+
+
+// Resource loading
+
+Background *ResourceManager::loadBackground(const Common::String &name) const {
+ // Open the resource
+ Common::SeekableReadStream *stream = createReadStreamForMember(name + ".bg");
+ if (!stream)
+ return NULL;
+
+ // Create the new background & load the data
+ Background *bg = new Background();
+ if (!bg->load(stream)) {
+ delete bg;
+ // stream should be freed by the Background instance
+ return NULL;
+ }
+
+ return bg;
+}
+
+Cursor *ResourceManager::loadCursor() const {
+ // Open the resource
+ Common::SeekableReadStream *stream = createReadStreamForMember("cursors.tbm");
+ if (!stream)
+ return NULL;
+
+ // Create the new background
+ Cursor *c = new Cursor();
+ if (!c->load(stream)) {
+ delete c;
+ // stream should be freed by the Cursor instance
+ return NULL;
+ }
+
+ return c;
+}
+
+Font *ResourceManager::loadFont() const {
+ // Open the resource
+ Common::SeekableReadStream *stream = createReadStreamForMember("font.dat");
+ if (!stream)
+ return NULL;
+
+ // Create the new background
+ Font *f = new Font();
+ if (!f->load(stream)) {
+ delete f;
+ // stream should be freed by the Font instance
+ return NULL;
+ }
+
+ return f;
+}
+
+} // End of namespace LastExpress