Initial commit

engines/mutationofjb/commands/conditionalcommand.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 "mutationofjb/commands/conditionalcommand.h"
+#include "mutationofjb/script.h"
+#include "common/scummsys.h"
+
+namespace MutationOfJB {
+
+void ConditionalCommandParser::transition(ScriptParseContext &parseContext, Command *oldCommand, Command *newCommand, CommandParser *) {
+	if (!oldCommand || !newCommand) {
+		warning("Unexpected empty command in transition");
+		return;
+	}
+
+	ConditionalCommand *const condCommand = static_cast<ConditionalCommand *>(oldCommand);
+	parseContext.addConditionalCommand(condCommand, _tags.pop(), _firstHash);
+	condCommand->setTrueCommand(newCommand);
+}
+
+void ConditionalCommandParser::finish(ScriptParseContext &) {
+	_tags.clear();
+}
+
+
+ConditionalCommand::ConditionalCommand() :
+	_trueCommand(nullptr),
+	_falseCommand(nullptr),
+	_cachedResult(false) {}
+
+Command *ConditionalCommand::getTrueCommand() const {
+	return _trueCommand;
+}
+
+Command *ConditionalCommand::getFalseCommand() const {
+	return _falseCommand;
+}
+
+void ConditionalCommand::setTrueCommand(Command *command) {
+	_trueCommand = command;
+}
+
+void ConditionalCommand::setFalseCommand(Command *command) {
+	_falseCommand = command;
+}
+
+Command *ConditionalCommand::next() const {
+	if (_cachedResult) {
+		return _trueCommand;
+	} else {
+		return _falseCommand;
+	}
+}
+
+}