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Open-source, cross-platform 2D and 3D game engine built in C++
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Urho3D::PackageFile Class Reference

Stores files of a directory tree sequentially for convenient access. More...

#include </var/dev/u3d/stable/Source/Urho3D/IO/PackageFile.h>

Inheritance diagram for Urho3D::PackageFile:
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Collaboration diagram for Urho3D::PackageFile:
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Public Member Functions

 PackageFile (Context *context)
 Construct.
 
 PackageFile (Context *context, const String &fileName, unsigned startOffset=0)
 Construct and open.
 
 ~PackageFile () override
 Destruct.
 
bool Open (const String &fileName, unsigned startOffset=0)
 Open the package file. Return true if successful.
 
bool Exists (const String &fileName) const
 Check if a file exists within the package file. This will be case-insensitive on Windows and case-sensitive on other platforms.
 
const PackageEntryGetEntry (const String &fileName) const
 Return the file entry corresponding to the name, or null if not found. This will be case-insensitive on Windows and case-sensitive on other platforms.
 
const HashMap< String, PackageEntry > & GetEntries () const
 Return all file entries.
 
const StringGetName () const
 
StringHash GetNameHash () const
 Return hash of the package file name.
 
unsigned GetNumFiles () const
 
unsigned GetTotalSize () const
 
unsigned GetTotalDataSize () const
 
unsigned GetChecksum () const
 
bool IsCompressed () const
 
const Vector< StringGetEntryNames () const
 Return list of file names in the package.
 
- Public Member Functions inherited from Urho3D::Object
 Object (Context *context)
 Construct.
 
 ~Object () override
 Destruct. Clean up self from event sender & receiver structures.
 
virtual StringHash GetType () const =0
 
virtual const StringGetTypeName () const =0
 
virtual const TypeInfoGetTypeInfo () const =0
 Return type info.
 
virtual void OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
 Handle event.
 
bool IsInstanceOf (StringHash type) const
 Check current instance is type of specified type.
 
bool IsInstanceOf (const TypeInfo *typeInfo) const
 Check current instance is type of specified type.
 
template<typename T >
bool IsInstanceOf () const
 Check current instance is type of specified class.
 
template<typename T >
T * Cast ()
 Cast the object to specified most derived class.
 
template<typename T >
const T * Cast () const
 Cast the object to specified most derived class.
 
void SubscribeToEvent (StringHash eventType, EventHandler *handler)
 Subscribe to an event that can be sent by any sender.
 
void SubscribeToEvent (Object *sender, StringHash eventType, EventHandler *handler)
 Subscribe to a specific sender's event.
 
void SubscribeToEvent (StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
 Subscribe to an event that can be sent by any sender.
 
void SubscribeToEvent (Object *sender, StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
 Subscribe to a specific sender's event.
 
void UnsubscribeFromEvent (StringHash eventType)
 Unsubscribe from an event.
 
void UnsubscribeFromEvent (Object *sender, StringHash eventType)
 Unsubscribe from a specific sender's event.
 
void UnsubscribeFromEvents (Object *sender)
 Unsubscribe from a specific sender's events.
 
void UnsubscribeFromAllEvents ()
 Unsubscribe from all events.
 
void UnsubscribeFromAllEventsExcept (const PODVector< StringHash > &exceptions, bool onlyUserData)
 Unsubscribe from all events except those listed, and optionally only those with userdata (script registered events).
 
void SendEvent (StringHash eventType)
 Send event to all subscribers.
 
void SendEvent (StringHash eventType, VariantMap &eventData)
 Send event with parameters to all subscribers.
 
VariantMapGetEventDataMap () const
 Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps.
 
template<typename... Args>
void SendEvent (StringHash eventType, Args... args)
 Send event with variadic parameter pairs to all subscribers. The parameter pairs is a list of paramID and paramValue separated by comma, one pair after another.
 
ContextGetContext () const
 Return execution context.
 
const VariantGetGlobalVar (StringHash key) const
 
const VariantMapGetGlobalVars () const
 
void SetGlobalVar (StringHash key, const Variant &value)
 
ObjectGetSubsystem (StringHash type) const
 Return subsystem by type.
 
ObjectGetEventSender () const
 Return active event sender. Null outside event handling.
 
EventHandlerGetEventHandler () const
 Return active event handler. Null outside event handling.
 
bool HasSubscribedToEvent (StringHash eventType) const
 Return whether has subscribed to an event without specific sender.
 
bool HasSubscribedToEvent (Object *sender, StringHash eventType) const
 Return whether has subscribed to a specific sender's event.
 
bool HasEventHandlers () const
 Return whether has subscribed to any event.
 
template<class T >
T * GetSubsystem () const
 Template version of returning a subsystem.
 
const StringGetCategory () const
 
void SetBlockEvents (bool block)
 Block object from sending and receiving events.
 
bool GetBlockEvents () const
 Return sending and receiving events blocking status.
 
- Public Member Functions inherited from Urho3D::RefCounted
 RefCounted ()
 Construct. Allocate the reference count structure and set an initial self weak reference.
 
virtual ~RefCounted ()
 Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist.
 
 RefCounted (const RefCounted &rhs)=delete
 Prevent copy construction.
 
RefCountedoperator= (const RefCounted &rhs)=delete
 Prevent assignment.
 
void AddRef ()
 
void ReleaseRef ()
 
int Refs () const
 
int WeakRefs () const
 
RefCountRefCountPtr ()
 Return pointer to the reference count structure.
 

Private Member Functions

 URHO3D_OBJECT (PackageFile, Object)
 

Private Attributes

HashMap< String, PackageEntryentries_
 File entries.
 
String fileName_
 File name.
 
StringHash nameHash_
 Package file name hash.
 
unsigned totalSize_
 Package file total size.
 
unsigned totalDataSize_
 Total data size in the package using each entry's actual size if it is a compressed package file.
 
unsigned checksum_
 Package file checksum.
 
bool compressed_
 Compressed flag.
 

Additional Inherited Members

- Static Public Member Functions inherited from Urho3D::Object
static const TypeInfoGetTypeInfoStatic ()
 Return type info static.
 
- Protected Attributes inherited from Urho3D::Object
Contextcontext_
 Execution context.
 

Detailed Description

Stores files of a directory tree sequentially for convenient access.

Member Function Documentation

◆ GetChecksum()

unsigned Urho3D::PackageFile::GetChecksum ( ) const
inline

Return checksum of the package file contents.

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◆ GetName()

const String & Urho3D::PackageFile::GetName ( ) const
inline

Return the package file name.

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◆ GetNumFiles()

unsigned Urho3D::PackageFile::GetNumFiles ( ) const
inline

Return number of files.

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◆ GetTotalDataSize()

unsigned Urho3D::PackageFile::GetTotalDataSize ( ) const
inline

Return total data size from all the file entries in the package file.

◆ GetTotalSize()

unsigned Urho3D::PackageFile::GetTotalSize ( ) const
inline

Return total size of the package file.

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◆ IsCompressed()

bool Urho3D::PackageFile::IsCompressed ( ) const
inline

Return whether the files are compressed.

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The documentation for this class was generated from the following files: