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engines/mutationofjb/commands/conditionalcommand.h

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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/>.
+ *
+ */
+
+#ifndef MUTATIONOFJB_CONDITIONALCOMMAND_H
+#define MUTATIONOFJB_CONDITIONALCOMMAND_H
+
+#include "mutationofjb/commands/command.h"
+#include "common/scummsys.h"
+#include "common/queue.h"
+
+namespace MutationOfJB {
+
+class ConditionalCommandParser : public CommandParser {
+public:
+	ConditionalCommandParser(bool firstHash = false) : _firstHash(firstHash) {}
+	void transition(ScriptParseContext &parseCtx, Command *oldCommand, Command *newCommand, CommandParser *newCommandParser) override;
+	void finish(ScriptParseContext &parseCtx) override;
+protected:
+	Common::Queue<char> _tags;
+private:
+	bool _firstHash;
+};
+
+class ConditionalCommand : public Command {
+public:
+	ConditionalCommand();
+
+	Command *getTrueCommand() const;
+	Command *getFalseCommand() const;
+
+	void setTrueCommand(Command *command);
+	void setFalseCommand(Command *command);
+
+	Command *next() const override;
+protected:
+	Command *_trueCommand;
+	Command *_falseCommand;
+	bool _cachedResult;
+};
+
+}
+
+#endif