mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-13 21:31:53 +00:00
199 lines
5.7 KiB
C++
199 lines
5.7 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef MADE_DATABASE_H
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#define MADE_DATABASE_H
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#include "common/hashmap.h"
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namespace Common {
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class SeekableReadStream;
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class WriteStream;
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class String;
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}
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namespace Made {
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class MadeEngine;
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class Object {
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public:
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Object();
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virtual ~Object();
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virtual int load(Common::SeekableReadStream &source) = 0;
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virtual int load(byte *source) = 0;
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virtual int save(Common::WriteStream &dest) = 0;
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virtual uint16 getFlags() = 0;
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virtual uint16 getClass() = 0;
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virtual uint16 getSize() = 0;
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virtual byte getCount1() = 0;
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virtual byte getCount2() = 0;
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virtual byte *getData() = 0;
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virtual bool isConstant() = 0;
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const char *getString();
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void setString(const char *str);
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bool isObject();
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bool isVector();
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int16 getVectorSize();
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int16 getVectorItem(int16 index);
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void setVectorItem(int16 index, int16 value);
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void dump(const Common::String &filename);
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protected:
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bool _freeData;
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uint16 _objSize;
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byte *_objData;
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};
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class ObjectV2 : public Object {
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public:
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int load(Common::SeekableReadStream &source) override;
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int load(byte *source) override;
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int save(Common::WriteStream &dest) override;
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uint16 getFlags() override;
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uint16 getClass() override;
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uint16 getSize() override;
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byte getCount1() override;
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byte getCount2() override;
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byte *getData() override;
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bool isConstant() override {
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return false;
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}
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};
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class ObjectV1 : public ObjectV2 {
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public:
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int load(Common::SeekableReadStream &source) override;
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};
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class ObjectV3 : public Object {
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public:
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int load(Common::SeekableReadStream &source) override;
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int load(byte *source) override;
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int save(Common::WriteStream &dest) override;
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uint16 getFlags() override;
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uint16 getClass() override;
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uint16 getSize() override;
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byte getCount1() override;
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byte getCount2() override;
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byte *getData() override;
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bool isConstant() override {
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return !(getFlags() & 1);
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}
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};
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class GameDatabase {
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public:
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GameDatabase(MadeEngine *vm);
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virtual ~GameDatabase();
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void open(const char *filename);
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void openFromRed(const char *redFilename, const char *filename);
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void reload();
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Object *getObject(int16 index) const {
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if (index >= 1)
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return _objects[index - 1];
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else
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return NULL;
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}
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uint getObjectCount() const { return _objects.size(); }
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int16 getMainCodeObjectIndex() const { return _mainCodeObjectIndex; }
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int16 getVar(int16 index);
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void setVar(int16 index, int16 value);
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const char *getObjectString(int16 index);
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void setObjectString(int16 index, const char *str);
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virtual int16 *findObjectProperty(int16 objectIndex, int16 propertyId, int16 &propertyFlag) = 0;
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int16 *findObjectPropertyCached(int16 objectIndex, int16 propertyId, int16 &propertyFlag);
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virtual const char *getString(uint16 offset) = 0;
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virtual bool getSavegameDescription(const char *filename, Common::String &description, int16 version) = 0;
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virtual int16 savegame(const char *filename, const char *description, int16 version) = 0;
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virtual int16 loadgame(const char *filename, int16 version) = 0;
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int16 getObjectProperty(int16 objectIndex, int16 propertyId);
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int16 setObjectProperty(int16 objectIndex, int16 propertyId, int16 value);
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void dumpObject(int16 index);
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protected:
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typedef Common::HashMap<uint32, int16 *> ObjectPropertyCacheMap;
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MadeEngine *_vm;
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Common::Array<Object *> _objects;
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ObjectPropertyCacheMap _objectPropertyCache;
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byte *_gameState;
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uint32 _gameStateSize;
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int16 _mainCodeObjectIndex;
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bool _isRedSource;
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Common::String _filename, _redFilename;
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virtual void load(Common::SeekableReadStream &sourceS) = 0;
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virtual void reloadFromStream(Common::SeekableReadStream &sourceS) = 0;
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};
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class GameDatabaseV2 : public GameDatabase {
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public:
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GameDatabaseV2(MadeEngine *vm);
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~GameDatabaseV2() override;
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int16 *findObjectProperty(int16 objectIndex, int16 propertyId, int16 &propertyFlag) override;
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const char *getString(uint16 offset) override;
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bool getSavegameDescription(const char *filename, Common::String &description, int16 version) override;
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int16 savegame(const char *filename, const char *description, int16 version) override;
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int16 loadgame(const char *filename, int16 version) override;
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protected:
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char *_gameText;
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void load(Common::SeekableReadStream &sourceS) override;
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void reloadFromStream(Common::SeekableReadStream &sourceS) override;
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};
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class GameDatabaseV3 : public GameDatabase {
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public:
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GameDatabaseV3(MadeEngine *vm);
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int16 *findObjectProperty(int16 objectIndex, int16 propertyId, int16 &propertyFlag) override;
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const char *getString(uint16 offset) override;
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bool getSavegameDescription(const char *filename, Common::String &description, int16 version) override;
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int16 savegame(const char *filename, const char *description, int16 version) override;
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int16 loadgame(const char *filename, int16 version) override;
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protected:
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char *_gameText;
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uint32 _gameStateOffs;
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void load(Common::SeekableReadStream &sourceS) override;
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void reloadFromStream(Common::SeekableReadStream &sourceS) override;
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};
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} // End of namespace Made
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#endif /* MADE_H */
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