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engines/sludge/function.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 SLUDGE_FUNCTION_H
+#define SLUDGE_FUNCTION_H
+
+#include "sludge/csludge.h"
+#include "sludge/variable.h"
+
+namespace Sludge {
+
+struct Variable;
+struct VariableStack;
+
+struct LineOfCode {
+	SludgeCommand theCommand;
+	int32 param;
+};
+
+struct LoadedFunction {
+	int originalNumber;
+	LineOfCode *compiledLines;
+	int numLocals, timeLeft, numArgs;
+	Variable *localVars;
+	VariableStack *stack;
+	Variable reg;
+	uint runThisLine;
+	LoadedFunction *calledBy;
+	LoadedFunction *next;
+	bool returnSomething, isSpeech, unfreezable, cancelMe;
+	byte freezerLevel;
+};
+
+bool runAllFunctions();
+int startNewFunctionNum(uint, uint, LoadedFunction *, VariableStack*&, bool = true);
+void restartFunction(LoadedFunction *fun);
+bool loadFunctionCode(LoadedFunction *newFunc);
+void killAllFunctions();
+
+void finishFunction(LoadedFunction *fun);
+void abortFunction(LoadedFunction *fun);
+
+void freezeSubs();
+void unfreezeSubs();
+void completeTimers();
+void killSpeechTimers();
+int cancelAFunction(int funcNum, LoadedFunction *myself, bool &killedMyself);
+
+LoadedFunction *loadFunction(Common::SeekableReadStream *stream);
+void saveFunction(LoadedFunction *fun, Common::WriteStream *stream);
+
+} // End of namespace Sludge
+
+#endif