thirdparty/scummvm
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SCI: Move decompress & readResourceInfo to Resource; more cleanup

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svn-id: r49835
This commit is contained in:
Max Horn 2010-06-15 12:19:39 +00:00
parent 4392cdaee1
commit 583a966d8c
3 changed files with 49 additions and 48 deletions
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51
engines/sci/resource.cpp
View file

@ -338,8 +338,7 @@ void MacResourceForkResourceSource::loadResource(Resource *res) {
if (!stream)
error("Could not get Mac resource fork resource: %d %d", res->_id.type, res->_id.number);
ResourceManager *resMan = g_sci->getResMan();
int error = resMan->decompress(res, stream);
int error = res->decompress(stream);
if (error) {
warning("Error %d occured while reading %s from Mac resource file: %s",
error, res->_id.toString().c_str(), sci_error_types[error]);
@ -436,8 +435,7 @@ void ResourceSource::loadResource(Resource *res) {
fileStream->seek(res->_fileOffset, SEEK_SET);
ResourceManager *resMan = g_sci->getResMan();
int error = resMan->decompress(res, fileStream);
int error = res->decompress(fileStream);
if (_resourceFile)
delete fileStream;
@ -631,18 +629,18 @@ void ResourceManager::scanNewSources() {
void DirectoryResourceSource::scanSource() {
ResourceManager *resMan = g_sci->getResMan();
resMan->readResourcePatches(this);
resMan->readResourcePatches();
// We can't use getSciVersion() at this point, thus using _volVersion
if (resMan->_volVersion >= ResourceManager::kResVersionSci11) // SCI1.1+
resMan->readResourcePatchesBase36(this);
if (resMan->_volVersion >= kResVersionSci11) // SCI1.1+
resMan->readResourcePatchesBase36();
resMan->readWaveAudioPatches();
}
void ExtMapResourceSource::scanSource() {
ResourceManager *resMan = g_sci->getResMan();
if (resMan->_mapVersion < ResourceManager::kResVersionSci1Late)
if (resMan->_mapVersion < kResVersionSci1Late)
resMan->readResourceMapSCI0(this);
else
resMan->readResourceMapSCI1(this);
@ -881,7 +879,7 @@ const char *ResourceManager::versionDescription(ResVersion version) const {
return "Version not valid";
}
ResourceManager::ResVersion ResourceManager::detectMapVersion() {
ResVersion ResourceManager::detectMapVersion() {
Common::SeekableReadStream *fileStream = 0;
byte buff[6];
ResourceSource *rsrc= 0;
@ -971,7 +969,7 @@ ResourceManager::ResVersion ResourceManager::detectMapVersion() {
return kResVersionUnknown;
}
ResourceManager::ResVersion ResourceManager::detectVolVersion() {
ResVersion ResourceManager::detectVolVersion() {
Common::SeekableReadStream *fileStream = 0;
ResourceSource *rsrc;
@ -1143,7 +1141,7 @@ void ResourceManager::processPatch(ResourceSource *source, ResourceType resource
debugC(1, kDebugLevelResMan, "Patching %s - OK", source->getLocationName().c_str());
}
void ResourceManager::readResourcePatchesBase36(ResourceSource *source) {
void ResourceManager::readResourcePatchesBase36() {
// The base36 encoded audio36 and sync36 resources use a different naming scheme, because they
// cannot be described with a single resource number, but are a result of a
// <number, noun, verb, cond, seq> tuple. Please don't be confused with the normal audio patches
@ -1227,7 +1225,7 @@ void ResourceManager::readResourcePatchesBase36(ResourceSource *source) {
}
}
void ResourceManager::readResourcePatches(ResourceSource *source) {
void ResourceManager::readResourcePatches() {
// Note: since some SCI1 games(KQ5 floppy, SQ4) might use SCI0 naming scheme for patch files
// this function tries to read patch file with any supported naming scheme,
// regardless of s_sciVersion value
@ -1515,7 +1513,7 @@ Resource *ResourceManager::updateResource(ResourceId resId, ResourceSource *src,
return res;
}
int ResourceManager::readResourceInfo(Resource *res, Common::SeekableReadStream *file,
int Resource::readResourceInfo(Common::SeekableReadStream *file,
uint32 &szPacked, ResourceCompression &compression) {
// SCI0 volume format: {wResId wPacked+4 wUnpacked wCompression} = 8 bytes
// SCI1 volume format: {bResType wResNumber wPacked+4 wUnpacked wCompression} = 9 bytes
@ -1525,7 +1523,8 @@ int ResourceManager::readResourceInfo(Resource *res, Common::SeekableReadStream
uint32 wCompression, szUnpacked;
ResourceType type;
switch (_volVersion) {
ResourceManager *resMan = g_sci->getResMan();
switch (resMan->_volVersion) {
case kResVersionSci0Sci1Early:
case kResVersionSci1Middle:
w = file->readUint16LE();
@ -1552,8 +1551,8 @@ int ResourceManager::readResourceInfo(Resource *res, Common::SeekableReadStream
case kResVersionSci11Mac:
// Doesn't store this data in the resource. Fortunately,
// we already have this data.
type = res->_id.type;
number = res->_id.number;
type = _id.type;
number = _id.number;
szPacked = file->size();
szUnpacked = file->size();
wCompression = 0;
@ -1575,8 +1574,8 @@ int ResourceManager::readResourceInfo(Resource *res, Common::SeekableReadStream
if ((file->eos() || file->err()))
return SCI_ERROR_IO_ERROR;
res->_id = ResourceId(type, number);
res->size = szUnpacked;
_id = ResourceId(type, number);
size = szUnpacked;
// checking compression method
switch (wCompression) {
@ -1612,13 +1611,13 @@ int ResourceManager::readResourceInfo(Resource *res, Common::SeekableReadStream
return compression == kCompUnknown ? SCI_ERROR_UNKNOWN_COMPRESSION : 0;
}
int ResourceManager::decompress(Resource *res, Common::SeekableReadStream *file) {
int Resource::decompress(Common::SeekableReadStream *file) {
int error;
uint32 szPacked = 0;
ResourceCompression compression = kCompUnknown;
// fill resource info
error = readResourceInfo(res, file, szPacked, compression);
error = readResourceInfo(file, szPacked, compression);
if (error)
return error;
@ -1646,15 +1645,15 @@ int ResourceManager::decompress(Resource *res, Common::SeekableReadStream *file)
break;
#endif
default:
warning("Resource %s: Compression method %d not supported", res->_id.toString().c_str(), compression);
warning("Resource %s: Compression method %d not supported", _id.toString().c_str(), compression);
return SCI_ERROR_UNKNOWN_COMPRESSION;
}
res->data = new byte[res->size];
res->_status = kResStatusAllocated;
error = res->data ? dec->unpack(file, res->data, szPacked, res->size) : SCI_ERROR_RESOURCE_TOO_BIG;
data = new byte[size];
_status = kResStatusAllocated;
error = data ? dec->unpack(file, data, szPacked, size) : SCI_ERROR_RESOURCE_TOO_BIG;
if (error)
res->unalloc();
unalloc();
delete dec;
return error;
@ -1683,7 +1682,7 @@ ResourceCompression ResourceManager::getViewCompression() {
uint32 szPacked;
ResourceCompression compression;
if (readResourceInfo(res, fileStream, szPacked, compression)) {
if (res->readResourceInfo(fileStream, szPacked, compression)) {
if (res->_source->_resourceFile)
delete fileStream;
continue;

42
engines/sci/resource.h
View file

@ -167,6 +167,7 @@ class Resource {
// FIXME: These 'friend' declarations are meant to be a temporary hack to
// ease transition to the ResourceSource class system.
friend class ResourceSource;
friend class PatchResourceSource;
friend class WaveResourceSource;
friend class AudioVolumeResourceSource;
friend class MacResourceForkResourceSource;
@ -192,24 +193,37 @@ public:
void writeToStream(Common::WriteStream *stream) const;
uint32 getAudioCompressionType() const;
bool loadPatch(Common::SeekableReadStream *file);
bool loadFromPatchFile();
bool loadFromWaveFile(Common::SeekableReadStream *file);
bool loadFromAudioVolumeSCI1(Common::SeekableReadStream *file);
bool loadFromAudioVolumeSCI11(Common::SeekableReadStream *file);
protected:
int32 _fileOffset; /**< Offset in file */
ResourceStatus _status;
uint16 _lockers; /**< Number of places where this resource was locked */
ResourceSource *_source;
bool loadPatch(Common::SeekableReadStream *file);
bool loadFromPatchFile();
bool loadFromWaveFile(Common::SeekableReadStream *file);
bool loadFromAudioVolumeSCI1(Common::SeekableReadStream *file);
bool loadFromAudioVolumeSCI11(Common::SeekableReadStream *file);
int decompress(Common::SeekableReadStream *file);
int readResourceInfo(Common::SeekableReadStream *file, uint32 &szPacked, ResourceCompression &compression);
};
typedef Common::HashMap<ResourceId, Resource *, ResourceIdHash, ResourceIdEqualTo> ResourceMap;
enum ResVersion {
kResVersionUnknown,
kResVersionSci0Sci1Early,
kResVersionSci1Middle,
kResVersionSci1Late,
kResVersionSci11,
kResVersionSci11Mac,
kResVersionSci32
};
class ResourceManager {
// FIXME: These 'friend' declarations are meant to be a temporary hack to
// ease transition to the ResourceSource class system.
friend class Resource; // For _volVersion
friend class ResourceSource;
friend class DirectoryResourceSource;
friend class PatchResourceSource;
@ -221,16 +235,6 @@ class ResourceManager {
friend class MacResourceForkResourceSource;
public:
enum ResVersion {
kResVersionUnknown,
kResVersionSci0Sci1Early,
kResVersionSci1Middle,
kResVersionSci1Late,
kResVersionSci11,
kResVersionSci11Mac,
kResVersionSci32
};
/**
* Creates a new SCI resource manager.
*/
@ -393,8 +397,6 @@ protected:
Common::SeekableReadStream *getVolumeFile(ResourceSource *source);
void loadResource(Resource *res);
void freeOldResources();
int decompress(Resource *res, Common::SeekableReadStream *file);
int readResourceInfo(Resource *res, Common::SeekableReadStream *file, uint32 &szPacked, ResourceCompression &compression);
void addResource(ResourceId resId, ResourceSource *src, uint32 offset, uint32 size = 0);
Resource *updateResource(ResourceId resId, ResourceSource *src, uint32 size);
void removeAudioResource(ResourceId resId);
@ -437,8 +439,8 @@ protected:
/**
* Reads patch files from a local directory.
*/
void readResourcePatches(ResourceSource *source);
void readResourcePatchesBase36(ResourceSource *source);
void readResourcePatches();
void readResourcePatchesBase36();
void processPatch(ResourceSource *source, ResourceType resourceType, uint16 resourceNr, uint32 tuple = 0);
/**

4
engines/sci/resource_audio.cpp
View file

@ -319,8 +319,8 @@ int ResourceManager::readAudioMapSCI11(ResourceSource *map) {
}
if (n & 0x40) {
// This seems to define the size of raw lipsync data (at least in kq6), may also just be general appended
// data
// This seems to define the size of raw lipsync data (at least
// in kq6), may also just be general appended data.
syncSize += READ_LE_UINT16(ptr);
ptr += 2;
}