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143 lines
4.5 KiB
C++
143 lines
4.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef ZVISION_SCRIPT_MANAGER_H
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#define ZVISION_SCRIPT_MANAGER_H
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#include "common/hashmap.h"
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#include "common/stack.h"
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#include "zvision/puzzle.h"
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#include "zvision/control.h"
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namespace Common {
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class String;
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class SeekableReadStream;
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}
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namespace ZVision {
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class ZVision;
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class ActionNode;
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class ScriptManager {
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public:
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ScriptManager(ZVision *engine);
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private:
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ZVision *_engine;
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/**
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* Holds the global state variable. Do NOT directly modify this. Use the accessors and
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* mutators getStateValue() and setStateValue(). This ensures that Puzzles that reference a
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* particular state key are checked after the key is modified.
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*/
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Common::HashMap<uint32, uint> _globalState;
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/** Holds the currently active ActionNodes */
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Common::List<Common::SharedPtr<ActionNode> > _activeNodes;
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/** References _globalState keys to Puzzles */
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Common::HashMap<uint32, Common::Array<Puzzle *> > _referenceTable;
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/** Holds the Puzzles that should be checked this frame */
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Common::Stack<Puzzle *> _puzzlesToCheck;
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/** Holds the currently active puzzles */
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Common::List<Puzzle> _activePuzzles;
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/** Holds the global puzzles */
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Common::List<Puzzle>_globalPuzzles;
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/** Holds the currently active controls */
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Common::List<Common::SharedPtr<Control> > _activeControls;
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public:
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void initialize();
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void update(uint deltaTimeMillis);
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uint getStateValue(uint32 key);
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void setStateValue(uint32 key, uint value);
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void addToStateValue(uint32 key, uint valueToAdd);
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void addActionNode(const Common::SharedPtr<ActionNode> &node);
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void changeLocation(char world, char room, char node, char view, uint32 x);
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private:
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void createReferenceTable();
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void updateNodes(uint deltaTimeMillis);
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void checkPuzzleCriteria();
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/**
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* Parses a script file into triggers and events
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*
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* @param fileName Name of the .scr file
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* @param isGlobal Are the puzzles included in the file global (true). AKA, the won't be purged during location changes
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*/
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void parseScrFile(const Common::String &fileName, bool isGlobal = false);
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/**
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* Parses the stream into a Puzzle object
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* Helper method for parseScrFile.
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*
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* @param puzzle The object to store what is parsed
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* @param stream Scr file stream
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*/
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void parsePuzzle(Puzzle &puzzle, Common::SeekableReadStream &stream);
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/**
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* Parses the stream into a Criteria object
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* Helper method for parsePuzzle.
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*
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* @param criteria Pointer to the Criteria object to fill
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* @param stream Scr file stream
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* @return Whether any criteria were read
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*/
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bool parseCriteria(Puzzle::Criteria *criteria, Common::SeekableReadStream &stream) const;
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/**
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* Parses the stream into a ResultAction objects
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* Helper method for parsePuzzle.
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*
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* @param stream Scr file stream
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* @param actionList The list where the results will be added
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* @return Created Results object
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*/
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void parseResults(Common::SeekableReadStream &stream, Common::List<Common::SharedPtr<ResultAction> > &actionList) const;
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/**
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* Helper method for parsePuzzle. Parses the stream into a bitwise or of the StateFlags enum
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*
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* @param stream Scr file stream
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* @return Bitwise OR of all the flags set within the puzzle
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*/
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uint parseFlags(Common::SeekableReadStream &stream) const;
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/**
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* Helper method for parseScrFile. Parses the stream into a Control object
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*
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* @param line The line initially read
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* @param stream Scr file stream
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*/
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bool parseControl(Common::String &line, Common::SeekableReadStream &stream, Common::SharedPtr<Control> &control);
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};
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} // End of namespace ZVision
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#endif
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