Initial commit

engines/ultima/ultima8/usecode/uc_stack.cpp

@@ -0,0 +1,56 @@
+/* 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 "ultima/ultima8/misc/debugger.h"
+#include "ultima/ultima8/usecode/uc_stack.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+void UCStack::save(Common::WriteStream *ws) {
+	ws->writeUint32LE(_size);
+	ws->writeUint32LE(getSP());
+
+	ws->write(_bufPtr, stacksize());
+}
+
+bool UCStack::load(Common::ReadStream *rs, uint32 version) {
+	_size = rs->readUint32LE();
+#ifdef USE_DYNAMIC_UCSTACK
+	if (_buf) delete[] _buf;
+	_buf = new uint8[_size];
+#else
+	if (_size > sizeof(_bufArray)) {
+		warning("UCStack _size mismatch (buf_array too small)");
+		return false;
+	}
+	_buf = _bufArray;
+#endif
+	uint32 sp = rs->readUint32LE();
+	_bufPtr = _buf + sp;
+
+	rs->read(_bufPtr, _size - sp);
+
+	return true;
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima