Torque Game Engine Documentation
TGE Version 1.5.2

UnknownChunk Class Reference

#include <chunkFile.h>

Inheritance diagram for UnknownChunk:

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Detailed Description

This is a special purpose chunk we use to deal with situations where we have an unknown FourCC.

Basically, it loads everything into a buffer, then writes it back out again, masquerading as the unknown chunk.

This means we have to manually do some of what DECLARE_CHUNK does, ew.

Public Member Functions

DECLARE_CONOBJECT (UnknownChunk)

UnknownChunk ()

~UnknownChunk ()

virtual const U32 getFourCC () const

virtual const U8 * getFourCCString () const

virtual const U32 getChunkVersion () const

virtual void readChunk (BitStream &s, const U32 length, const U32 version, const U32 crc, const U32 fourCC)

Called to read the chunk's data.

virtual void writeChunk (BitStream &s)

Write a chunk.

Private Types

typedef SimChunk Parent

Private Attributes

U32 mChunkFourCC

U8 mChunkFourCCString [4]

U32 mChunkVersion

U32 mChunkCRC

U32 mDataLength

U8 * mDataBuffer

Member Typedef Documentation

typedef SimChunk UnknownChunk::Parent [private]

Reimplemented from SimChunk.

Constructor & Destructor Documentation

UnknownChunk::UnknownChunk ( )

UnknownChunk::~UnknownChunk ( )

Member Function Documentation

UnknownChunk::DECLARE_CONOBJECT ( UnknownChunk )

virtual const U32 UnknownChunk::getFourCC ( ) const [inline, virtual]

virtual const U8* UnknownChunk::getFourCCString ( ) const [inline, virtual]

virtual const U32 UnknownChunk::getChunkVersion ( ) const [inline, virtual]

virtual void UnknownChunk::readChunk	(	BitStream &	s,
		const U32	length,
		const U32	version,
		const U32	crc,
		const U32	fourCC
	)			`[virtual]`

Called to read the chunk's data.

We are provided with all the information that we got from the file, just in case it's relevant.

Reimplemented from SimChunk.

virtual void UnknownChunk::writeChunk ( BitStream & s ) [virtual]

Write a chunk.

Length is defined by the size of the data we write out, version by the DECLARE_CHUNK macro, crc by the data we write, and FourCC by the macro. So all we have to do is write data!

Reimplemented from SimChunk.

Field Documentation

U32 UnknownChunk::mChunkFourCC [private]

U8 UnknownChunk::mChunkFourCCString[4] [private]

U32 UnknownChunk::mChunkVersion [private]

U32 UnknownChunk::mChunkCRC [private]

U32 UnknownChunk::mDataLength [private]

U8* UnknownChunk::mDataBuffer [private]