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engines/prince/resource.h

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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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef PRINCE_RESOURCE_H
+#define PRINCE_RESOURCE_H
+
+#include "common/stream.h"
+#include "common/memstream.h"
+#include "common/archive.h"
+#include "common/debug-channels.h"
+#include "common/ptr.h"
+
+#include "prince/decompress.h"
+
+namespace Prince {
+
+namespace Resource {
+
+Common::SeekableReadStream *getDecompressedStream(Common::SeekableReadStream *stream);
+
+template <typename T>
+bool loadFromStream(T &resource, Common::SeekableReadStream &stream) {
+	return resource.loadStream(stream);
+}
+
+template<typename T>
+bool loadResource(T *resource, const char *resourceName, bool required) {
+	Common::SeekableReadStream *stream_(SearchMan.createReadStreamForMember(resourceName));
+	if (!stream_) {
+		if (required)
+			error("Can't load %s", resourceName);
+		return false;
+	}
+
+	Common::ScopedPtr<Common::SeekableReadStream> stream(getDecompressedStream(stream_));
+
+	return loadFromStream(*resource, *stream);
+}
+
+template <typename T>
+bool loadResource(Common::Array<T> &array, Common::SeekableReadStream &stream, bool required = true) {
+	T t;
+	while (t.loadFromStream(stream))
+		array.push_back(t);
+
+	return true;
+}
+
+
+template <typename T>
+bool loadResource(Common::Array<T> &array, const char *resourceName, bool required = true) {
+	Common::SeekableReadStream *stream_(SearchMan.createReadStreamForMember(resourceName));
+	if (!stream_) {
+		if (required)
+			error("Can't load %s", resourceName);
+		return false;
+	}
+
+	Common::ScopedPtr<Common::SeekableReadStream> stream(getDecompressedStream(stream_));
+
+	return loadResource(array, *stream, required);
+}
+
+template <typename T>
+bool loadResource(Common::Array<T *> &array, const char *resourceName, bool required = true) {
+
+	Common::SeekableReadStream *stream_(SearchMan.createReadStreamForMember(resourceName));
+	if (!stream_) {
+		if (required)
+			error("Can't load %s", resourceName);
+		return false;
+	}
+
+	Common::ScopedPtr<Common::SeekableReadStream> stream(getDecompressedStream(stream_));
+
+	// FIXME: This is stupid. Maybe loadFromStream should be helper method that returns initialized object
+	while (true) {
+		T* t = new T();
+		if (!t->loadFromStream(*stream)) {
+			delete t;
+			break;
+		}
+		array.push_back(t);
+	}
+	return true;
+}
+
+}
+
+} // End of namespace Prince
+
+#endif