1 files changed, 118 insertions, 0 deletions
diff --git a/engines/titanic/star_control/base_star.cpp b/engines/titanic/star_control/base_star.cpp
new file mode 100644
index 0000000000..f09df38620
--- /dev/null
+++ b/engines/titanic/star_control/base_star.cpp
@@ -0,0 +1,118 @@
+/* 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 "titanic/star_control/base_star.h"
+#include "titanic/titanic.h"
+
+namespace Titanic {
+
+CBaseStarEntry::CBaseStarEntry() : _field0(0), _value(0.0) {
+	Common::fill(&_data[0], &_data[5], 0);
+}
+
+void CBaseStarEntry::load(Common::SeekableReadStream &s) {
+	_field0 = s.readByte();
+	_field1 = s.readByte();
+	_field2 = s.readByte();
+	_field3 = s.readByte();
+	*((uint32 *)&_value) = s.readUint32LE();		// FIXME
+	_val._v1 = s.readUint32LE();
+	_val._v2 = s.readUint32LE();
+	_val._v3 = s.readUint32LE();
+
+	for (int idx = 0; idx < 5; ++idx)
+		_data[idx] = s.readUint32LE();
+}
+
+/*------------------------------------------------------------------------*/
+
+CBaseStar::CBaseStar() : _minVal(0.0), _maxVal(1.0), _range(0.0) {
+}
+
+void CBaseStar::draw(CSurfaceArea *surfaceArea, CStarControlSub12 *sub12, CStarControlSub5 *sub5) {
+	// TODO
+}
+
+void CBaseStar::clear() {
+	_data.clear();
+}
+
+void CBaseStar::initialize() {
+	_minVal = 9.9999998e10;
+	_maxVal = -9.9999998e10;
+	_sub4.initialize();
+
+	for (uint idx = 0; idx < _data.size(); ++idx) {
+		const CBaseStarEntry *entry = getDataPtr(idx);
+		_sub4.checkEntry(entry->_val);
+
+		if (entry->_value < _minVal)
+			_minVal = entry->_value;
+		if (entry->_value > _maxVal)
+			_maxVal = entry->_value;
+	}
+
+	_range = (_maxVal - _minVal) / 1.0;
+}
+
+CBaseStarEntry *CBaseStar::getDataPtr(int index) {
+	return (index >= 0 && index < (int)_data.size()) ? &_data[index] : nullptr;
+}
+
+void CBaseStar::loadData(Common::SeekableReadStream &s) {
+	uint headerId = s.readUint32LE();
+	uint count = s.readUint32LE();
+	if (headerId != 100 || count == 0)
+		error("Invalid star data");
+
+	// Initialize the data array
+	clear();
+	_data.resize(count);
+
+	// Iterate through reading the data for each entry
+	for (uint idx = 0; idx < count; ++idx)
+		_data[idx].load(s);
+}
+
+void CBaseStar::loadData(const CString &resName) {
+	// Get a stream to read the data from the DAT file
+	Common::SeekableReadStream *stream = g_vm->_filesManager->getResource(resName);
+	assert(stream);
+
+	// Load the stream
+	loadData(*stream);
+	delete stream;
+}
+
+void CBaseStar::resetEntry(CBaseStarEntry &entry) {
+	entry._field0 = 0xFF;
+	entry._field1 = 0xFF;
+	entry._field2 = 0xFF;
+	entry._field3 = 0;
+	entry._val._v1 = 0;
+	entry._val._v2 = 0;
+	entry._val._v3 = 0;
+	for (int idx = 0; idx < 5; ++idx)
+		entry._data[idx] = 0;
+}
+
+} // End of namespace Titanic