1 files changed, 75 insertions, 0 deletions
diff --git a/engines/prince/pscr.cpp b/engines/prince/pscr.cpp
new file mode 100644
index 0000000000..d9d36a3356
--- /dev/null
+++ b/engines/prince/pscr.cpp
@@ -0,0 +1,75 @@
+/* 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.
+ *
+ */
+
+#include "common/archive.h"
+#include "common/stream.h"
+
+#include "prince/pscr.h"
+
+namespace Prince {
+
+PScr::PScr() : _x(0), _y(0), _step(0), _surface(nullptr)
+{
+}
+
+PScr::~PScr() {
+	if (_surface != nullptr) {
+		_surface->free();
+		delete _surface;
+		_surface = nullptr;
+	}
+}
+
+void PScr::loadSurface(Common::SeekableReadStream &stream) {
+	stream.skip(4);
+	int width = stream.readUint16LE();
+	int height = stream.readUint16LE();
+	_surface = new Graphics::Surface();
+	_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+
+	for (int h = 0; h < _surface->h; h++) {
+		stream.read(_surface->getBasePtr(0, h), _surface->w);
+	}
+}
+
+bool PScr::loadFromStream(Common::SeekableReadStream &stream) {
+	int32 pos = stream.pos();
+	uint16 file = stream.readUint16LE();
+	if (file == 0xFFFF) {
+		return false;
+	}
+	_x = stream.readUint16LE();
+	_y = stream.readUint16LE();
+	_step = stream.readUint16LE();
+
+	const Common::String pscrStreamName = Common::String::format("PS%02d", file);
+	Common::SeekableReadStream *pscrStream = SearchMan.createReadStreamForMember(pscrStreamName);
+	if (pscrStream != nullptr) {
+		loadSurface(*pscrStream);
+	}
+	delete pscrStream;
+	stream.seek(pos + 12); // size of PScrList struct
+
+	return true;
+}
+
+} // End of namespace Prince