scriptresource.h

/* 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 ILLUSIONS_SCRIPTRESOURCE_H
#define ILLUSIONS_SCRIPTRESOURCE_H

#include "illusions/resourcesystem.h"
#include "common/file.h"

namespace Illusions {

class IllusionsEngine;

class ScriptResourceLoader : public BaseResourceLoader {
public:
    ScriptResourceLoader(IllusionsEngine *vm) : _vm(vm) {}
    ~ScriptResourceLoader() override {}
    void load(Resource *resource) override;
    bool isFlag(int flag) override;
protected:
    IllusionsEngine *_vm;
};

class Properties {
public:
    Properties();
    void init(uint count, byte *properties);
    void clear();
    bool get(uint32 propertyId);
    void set(uint32 propertyId, bool value);
    uint32 getSize();
    void writeToStream(Common::WriteStream *out);
    bool readFromStream(Common::ReadStream *in);
public:
    uint _count;
    byte *_properties;
    void getProperyPos(uint32 propertyId, uint &index, byte &mask);
};

class BlockCounters {
public:
    BlockCounters();
    void init(uint count, byte *blockCounters);
    void clear();
    byte get(uint index);
    void set(uint index, byte value);
    byte getC0(uint index);
    void setC0(uint index, byte value);
    uint32 getSize();
    void writeToStream(Common::WriteStream *out);
    bool readFromStream(Common::ReadStream *in);
public:
    uint _count;
    byte *_blockCounters;
};

struct TriggerCause {
    uint32 _verbId;
    uint32 _objectId2;
    uint32 _codeOffs;
    void load(Common::SeekableReadStream &stream);
};

class TriggerObject {
public:
    TriggerObject();
    ~TriggerObject();
    void load(byte *dataStart, Common::SeekableReadStream &stream);
    bool findTriggerCause(uint32 verbId, uint32 objectId2, uint32 &codeOffs);
    void fixupSceneInfosDuckman();
public:
    uint32 _objectId;
    uint _causesCount;
    TriggerCause *_causes;
};

class SceneInfo {
public:
    SceneInfo();
    ~SceneInfo();
    void load(byte *dataStart, Common::SeekableReadStream &stream);
    bool findTriggerCause(uint32 verbId, uint32 objectId2, uint32 objectId, uint32 &codeOffs);
    void getResources(uint &resourcesCount, uint32 *&resources);
    void fixupSceneInfosDuckman();
protected:
    uint16 _id;
    uint16 _unk;
    uint16 *_name;
    uint _triggerObjectsCount;
    TriggerObject *_triggerObjects;
    uint _resourcesCount;
    uint32 *_resources;
    TriggerObject *findTriggerObject(uint32 objectId);
};

class ScriptResource {
public:
    ScriptResource();
    ~ScriptResource();
    void load(Resource *resource);
    byte *getThreadCode(uint32 threadId);
    byte *getCode(uint32 codeOffs);
    SceneInfo *getSceneInfo(uint32 index);
    uint32 getObjectActorTypeId(uint32 objectId);
    uint32 getMainActorObjectId() const { return _mainActorObjectId; }
public:
    byte *_data;
    uint32 _dataSize;
    Properties _properties;
    BlockCounters _blockCounters;
    uint _codeCount;
    uint32 *_codeOffsets;
    uint _sceneInfosCount;
    SceneInfo *_sceneInfos;
    // Duckman specific
    uint32 _soundIds[27];
    uint _objectMapCount;
    uint32 *_objectMap;
    uint32 _mainActorObjectId;
    void fixupSceneInfosDuckman();
};

class ScriptInstance : public ResourceInstance {
public:
    ScriptInstance(IllusionsEngine *vm);
    void load(Resource *resource) override;
    void unload() override;
public:
    IllusionsEngine *_vm;
};

} // End of namespace Illusions

#endif // ILLUSIONS_ACTORRESOURCE_H