Initial commit

engines/prince/object.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/>.
+ *
+ */
+
+#include "common/archive.h"
+#include "common/debug-channels.h"
+#include "common/debug.h"
+#include "common/stream.h"
+
+#include "graphics/surface.h"
+
+#include "prince/object.h"
+#include "prince/resource.h"
+
+namespace Prince {
+
+Object::Object() : _surface(nullptr), _x(0), _y(0), _z(0), _flags(0), _width(0),
+	_height(0), _zoomTime(0), _zoomSurface(nullptr)
+{
+}
+
+Object::~Object() {
+	if (_surface != nullptr) {
+		_surface->free();
+		delete _surface;
+		_surface = nullptr;
+	}
+	if (_zoomSurface != nullptr) {
+		_zoomSurface->free();
+		delete _zoomSurface;
+		_zoomSurface = nullptr;
+	}
+}
+
+void Object::loadSurface(Common::SeekableReadStream &stream) {
+	stream.skip(4);
+	_width = stream.readUint16LE();
+	_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 Object::loadFromStream(Common::SeekableReadStream &stream) {
+	int32 pos = stream.pos();
+	uint16 x = stream.readUint16LE();
+	if (x == 0xFFFF) {
+		return false;
+	}
+	_x = x;
+	_y = stream.readSint16LE(); // skull mini-game has some signed y coords
+
+	const Common::Path obStreamName(Common::String::format("OB%02d", stream.readUint16LE()));
+	Common::SeekableReadStream *obStream = SearchMan.createReadStreamForMember(obStreamName);
+	if (obStream) {
+		obStream = Resource::getDecompressedStream(obStream);
+
+		loadSurface(*obStream);
+	}
+	delete obStream;
+
+	_flags = stream.readUint16LE();
+	_z = stream.readUint16LE();
+
+	stream.seek(pos + 16);
+
+	return true;
+}
+
+void Object::setData(AttrId dataId, int32 value) {
+	switch (dataId) {
+	case kObjectX:
+		_x = value;
+		break;
+	case kObjectY:
+		_y = value;
+		break;
+	default:
+		assert(false);
+	}
+}
+
+int32 Object::getData(AttrId dataId) {
+	switch (dataId) {
+	case kObjectX:
+		return _x;
+	case kObjectY:
+		return _y;
+	default:
+		assert(false);
+		return 0;
+	}
+}
+
+} // End of namespace Prince