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44f12117f2
And if no scripts are present, but chunk 0 is present, load resources from there. This fixes the Lighthouse SCI2.1 demo. svn-id: r51696
220 lines
5.8 KiB
C++
220 lines
5.8 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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* $URL$
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* $Id$
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*
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*/
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#ifndef SCI_RESOURCE_INTERN_H
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#define SCI_RESOURCE_INTERN_H
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#include "sci/resource.h"
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namespace Common {
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class MacResManager;
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}
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namespace Sci {
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enum ResSourceType {
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kSourceDirectory = 0,
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kSourcePatch,
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kSourceVolume,
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kSourceExtMap,
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kSourceIntMap,
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kSourceAudioVolume,
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kSourceExtAudioMap,
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kSourceWave,
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kSourceMacResourceFork,
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kSourceChunk
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};
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class ResourceSource {
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protected:
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const ResSourceType _sourceType;
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const Common::String _name;
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public:
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bool _scanned;
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const Common::FSNode * const _resourceFile;
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const int _volumeNumber;
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protected:
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ResourceSource(ResSourceType type, const Common::String &name, int volNum = 0, const Common::FSNode *resFile = 0);
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public:
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virtual ~ResourceSource();
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ResSourceType getSourceType() const { return _sourceType; }
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const Common::String &getLocationName() const { return _name; }
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// Auxiliary method, used by loadResource implementations.
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Common::SeekableReadStream *getVolumeFile(ResourceManager *resMan, Resource *res);
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/**
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* TODO: Document this
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*/
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virtual ResourceSource *findVolume(ResourceSource *map, int volNum) {
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return NULL;
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}
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/**
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* Scan this source for TODO.
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*/
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virtual void scanSource(ResourceManager *resMan) {}
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/**
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* Load a resource.
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*/
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virtual void loadResource(ResourceManager *resMan, Resource *res);
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// FIXME: This audio specific method is a hack. After all, why should a
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// ResourceSource or a Resource (which uses this method) have audio
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// specific methods? But for now we keep this, as it eases transition.
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virtual uint32 getAudioCompressionType() const { return 0; }
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};
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class DirectoryResourceSource : public ResourceSource {
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public:
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DirectoryResourceSource(const Common::String &name) : ResourceSource(kSourceDirectory, name) {}
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virtual void scanSource(ResourceManager *resMan);
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};
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class PatchResourceSource : public ResourceSource {
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public:
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PatchResourceSource(const Common::String &name) : ResourceSource(kSourcePatch, name) {}
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virtual void loadResource(ResourceManager *resMan, Resource *res);
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};
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class VolumeResourceSource : public ResourceSource {
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protected:
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ResourceSource * const _associatedMap;
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public:
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VolumeResourceSource(const Common::String &name, ResourceSource *map, int volNum, ResSourceType type = kSourceVolume)
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: ResourceSource(type, name, volNum), _associatedMap(map) {
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}
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VolumeResourceSource(const Common::String &name, ResourceSource *map, int volNum, const Common::FSNode *resFile)
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: ResourceSource(kSourceVolume, name, volNum, resFile), _associatedMap(map) {
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}
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virtual ResourceSource *findVolume(ResourceSource *map, int volNum) {
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if (_associatedMap == map && _volumeNumber == volNum)
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return this;
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return NULL;
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}
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};
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class ExtMapResourceSource : public ResourceSource {
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public:
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ExtMapResourceSource(const Common::String &name, int volNum, const Common::FSNode *resFile = 0)
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: ResourceSource(kSourceExtMap, name, volNum, resFile) {
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}
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virtual void scanSource(ResourceManager *resMan);
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};
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class IntMapResourceSource : public ResourceSource {
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public:
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IntMapResourceSource(const Common::String &name, int volNum)
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: ResourceSource(kSourceIntMap, name, volNum) {
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}
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virtual void scanSource(ResourceManager *resMan);
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};
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class AudioVolumeResourceSource : public VolumeResourceSource {
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protected:
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uint32 _audioCompressionType;
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int32 *_audioCompressionOffsetMapping;
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public:
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AudioVolumeResourceSource(ResourceManager *resMan, const Common::String &name, ResourceSource *map, int volNum);
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virtual void loadResource(ResourceManager *resMan, Resource *res);
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virtual uint32 getAudioCompressionType() const;
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};
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class ExtAudioMapResourceSource : public ResourceSource {
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public:
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ExtAudioMapResourceSource(const Common::String &name, int volNum)
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: ResourceSource(kSourceExtAudioMap, name, volNum) {
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}
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virtual void scanSource(ResourceManager *resMan);
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};
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class WaveResourceSource : public ResourceSource {
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public:
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WaveResourceSource(const Common::String &name) : ResourceSource(kSourceWave, name) {}
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virtual void loadResource(ResourceManager *resMan, Resource *res);
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};
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/**
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* Reads SCI1.1+ resources from a Mac resource fork.
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*/
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class MacResourceForkResourceSource : public ResourceSource {
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protected:
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Common::MacResManager *_macResMan;
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public:
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MacResourceForkResourceSource(const Common::String &name, int volNum);
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~MacResourceForkResourceSource();
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virtual void scanSource(ResourceManager *resMan);
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virtual void loadResource(ResourceManager *resMan, Resource *res);
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};
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#ifdef ENABLE_SCI32
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/**
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* Reads resources from SCI2.1+ chunk resources
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*/
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class ChunkResourceSource : public ResourceSource {
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public:
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ChunkResourceSource(const Common::String &name, uint16 number);
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virtual void scanSource(ResourceManager *resMan);
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virtual void loadResource(ResourceManager *resMan, Resource *res);
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protected:
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uint16 _number;
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struct ResourceEntry {
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uint32 offset;
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uint32 length;
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};
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Common::HashMap<ResourceId, ResourceEntry, ResourceIdHash> _resMap;
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};
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#endif
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} // End of namespace Sci
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#endif // SCI_RESOURCE_INTERN_H
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