Initial commit

engines/freescape/assets.cpp

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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/>.
+ *
+ */
+
+// Based on Phantasma code by Thomas Harte (2013),
+// available at https://github.com/TomHarte/Phantasma/ (MIT)
+
+#include "common/file.h"
+#include "common/compression/unzip.h"
+#include "image/bmp.h"
+
+#include "freescape/freescape.h"
+
+namespace Freescape {
+
+void FreescapeEngine::loadAssets() {
+	if (isDemo())
+		loadAssetsDemo();
+	else
+		loadAssetsFullGame();
+}
+
+void FreescapeEngine::loadAssetsFullGame() {
+	Common::File file;
+	if (isAmiga()) {
+		loadAssetsAmigaFullGame();
+	} else if (isAtariST()) {
+		loadAssetsAtariFullGame();
+	} else if (isSpectrum()) {
+		loadAssetsZXFullGame();
+	} else if (isCPC()) {
+		loadAssetsCPCFullGame();
+	} else if (isC64()) {
+		loadAssetsC64FullGame();
+	} else if (isDOS()) {
+		loadAssetsDOSFullGame();
+	} else
+		error("Invalid or unsupported render mode %s", Common::getRenderModeDescription(_renderMode));
+}
+
+void FreescapeEngine::loadAssetsDemo() {
+	Common::File file;
+	if (isAmiga()) {
+		loadAssetsAmigaDemo();
+	} else if (isAtariST()) {
+		loadAssetsAtariDemo();
+	} else if (isDOS()) {
+		loadAssetsDOSDemo();
+	} else if (isSpectrum()) {
+		loadAssetsZXDemo();
+	} else if (isCPC()) {
+		loadAssetsCPCDemo();
+	} else
+		error("Unsupported demo");
+}
+
+void FreescapeEngine::loadAssetsAtariDemo() {
+}
+
+void FreescapeEngine::loadAssetsAmigaDemo() {
+}
+
+void FreescapeEngine::loadAssetsDOSDemo() {
+}
+
+void FreescapeEngine::loadAssetsZXDemo() {
+}
+
+void FreescapeEngine::loadAssetsCPCDemo() {
+}
+
+void FreescapeEngine::loadAssetsC64Demo() {
+}
+
+
+void FreescapeEngine::loadAssetsAtariFullGame() {
+}
+
+void FreescapeEngine::loadAssetsAmigaFullGame() {
+}
+
+void FreescapeEngine::loadAssetsDOSFullGame() {
+}
+
+void FreescapeEngine::loadAssetsZXFullGame() {
+}
+
+void FreescapeEngine::loadAssetsCPCFullGame() {
+}
+
+void FreescapeEngine::loadAssetsC64FullGame() {
+}
+
+void FreescapeEngine::loadDataBundle() {
+	_dataBundle = Common::makeZipArchive(FREESCAPE_DATA_BUNDLE);
+	if (!_dataBundle) {
+		error("ENGINE: Couldn't load data bundle '%s'.", FREESCAPE_DATA_BUNDLE);
+	}
+	Common::Path versionFilename("version");
+	if (!_dataBundle->hasFile(versionFilename))
+		error("No version number in %s", FREESCAPE_DATA_BUNDLE);
+
+	Common::SeekableReadStream *versionFile = _dataBundle->createReadStreamForMember(versionFilename);
+	char *versionData = (char *)malloc((versionFile->size() + 1) * sizeof(char));
+	versionFile->read(versionData, versionFile->size());
+	versionData[versionFile->size()] = '\0';
+	Common::String expectedVersion = "3";
+	if (versionData != expectedVersion)
+		error("Unexpected version number for freescape.dat: expecting '%s' but found '%s'", expectedVersion.c_str(), versionData);
+	free(versionData);
+}
+
+Graphics::Surface *FreescapeEngine::loadBundledImage(const Common::String &name, bool appendRenderMode) {
+	Image::BitmapDecoder decoder;
+	Common::Path bmpFilename(name + ".bmp");
+
+	if (appendRenderMode)
+		bmpFilename = Common::Path(name + "_" + Common::getRenderModeDescription(_renderMode) + ".bmp");
+
+	debugC(1, kFreescapeDebugParser, "Loading %s from bundled archive", bmpFilename.toString().c_str());
+	if (!_dataBundle->hasFile(bmpFilename))
+		error("Failed to open file %s from bundle", bmpFilename.toString().c_str());
+
+	Common::SeekableReadStream *bmpFile = _dataBundle->createReadStreamForMember(bmpFilename);
+	if (!decoder.loadStream(*bmpFile))
+		error("Failed to decode bmp file %s from bundle", bmpFilename.toString().c_str());
+
+	Graphics::Surface *surface = new Graphics::Surface();
+	surface->copyFrom(*decoder.getSurface());
+	decoder.destroy();
+	return surface;
+}
+
+} // End of namespace Freescape