Initial commit

engines/ultima/ultima8/world/split_item_process.cpp

@@ -0,0 +1,103 @@
+/* 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/ultima.h"
+#include "ultima/ultima8/world/split_item_process.h"
+#include "ultima/ultima8/world/item.h"
+#include "ultima/ultima8/world/get_object.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+DEFINE_RUNTIME_CLASSTYPE_CODE(SplitItemProcess)
+
+SplitItemProcess::SplitItemProcess() : Process(), _target(0) {
+
+}
+
+SplitItemProcess::SplitItemProcess(Item *original, Item *target) {
+	assert(original);
+	assert(target);
+
+	assert(original->getShapeInfo()->hasQuantity());
+	assert(target->getShapeInfo()->hasQuantity());
+
+	_itemNum = original->getObjId();
+	_target = target->getObjId();
+
+	// type = TODO
+}
+
+void SplitItemProcess::run() {
+	Item *original = getItem(_itemNum);
+	Item *targetitem = getItem(_target);
+
+	assert(original);
+	assert(targetitem);
+	assert(original->getShapeInfo()->hasQuantity());
+	assert(targetitem->getShapeInfo()->hasQuantity());
+
+	uint16 movecount = static_cast<uint16>(_result);
+
+	assert(movecount <= original->getQuality());
+
+	uint16 origcount = original->getQuality() - movecount;
+	uint16 targetcount = targetitem->getQuality() + movecount;
+
+	debugC(kDebugObject, "SplitItemProcess splitting: %u: %u-%u",
+		movecount, origcount, targetcount);
+
+	if (targetcount > 0) {
+		targetitem->setQuality(targetcount);
+		targetitem->callUsecodeEvent_combine();
+	} else {
+		targetitem->destroy();
+	}
+
+	if (origcount > 0) {
+		original->setQuality(origcount);
+		original->callUsecodeEvent_combine();
+	} else {
+		original->destroy(); // note: this terminates us
+	}
+
+	_result = 0;
+
+	if (!is_terminated())
+		terminate();
+}
+
+void SplitItemProcess::saveData(Common::WriteStream *ws) {
+	Process::saveData(ws);
+
+	ws->writeUint16LE(_target);
+}
+
+bool SplitItemProcess::loadData(Common::ReadStream *rs, uint32 version) {
+	if (!Process::loadData(rs, version)) return false;
+
+	_target = rs->readUint16LE();
+
+	return true;
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima