Initial commit

engines/mutationofjb/commands/callmacrocommand.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/callmacrocommand.h"
+#include "mutationofjb/script.h"
+#include "mutationofjb/game.h"
+
+/** @file
+ * "_" <name>
+ *
+ * Calls macro with the specified name.
+ */
+
+namespace MutationOfJB {
+
+bool CallMacroCommandParser::parse(const Common::String &line, ScriptParseContext &, Command *&command) {
+	if (line.size() < 2 || line.firstChar() != '_') {
+		return false;
+	}
+
+	const Common::String macroName = line.c_str() + 1;
+	command = new CallMacroCommand(macroName);
+	return true;
+}
+
+void CallMacroCommandParser::transition(ScriptParseContext &, Command *oldCommand, Command *newCommand, CommandParser *) {
+	if (!oldCommand || !newCommand) {
+		warning("Unexpected empty command in transition");
+		return;
+	}
+
+	static_cast<CallMacroCommand *>(oldCommand)->setReturnCommand(newCommand);
+}
+
+
+void CallMacroCommand::setReturnCommand(Command *cmd) {
+	_returnCommand = cmd;
+}
+
+Command *CallMacroCommand::getReturnCommand() const {
+	return _returnCommand;
+}
+
+Command::ExecuteResult CallMacroCommand::execute(ScriptExecutionContext &scriptExecCtx) {
+	_callCommand = scriptExecCtx.getMacro(_macroName);
+	if (_callCommand) {
+		scriptExecCtx.pushReturnCommand(_returnCommand);
+	} else {
+		warning("Macro '%s' not found.", _macroName.c_str());
+	}
+
+	return Finished;
+}
+
+Command *CallMacroCommand::next() const {
+	return _callCommand;
+}
+
+Common::String CallMacroCommand::debugString() const {
+	return Common::String::format("CALL '%s'", _macroName.c_str());
+}
+
+}
+