Initial commit.
This commit is contained in:
Jim Gray
586
code/icarus/BlockStream.cpp
Normal file
586
code/icarus/BlockStream.cpp
Normal file
@@ -0,0 +1,586 @@
|
||||
// Interpreted Block Stream Functions
|
||||
//
|
||||
// -- jweier
|
||||
|
||||
// this include must remain at the top of every Icarus CPP file
|
||||
#include "stdafx.h"
|
||||
|
||||
#include "IcarusInterface.h"
|
||||
#include "IcarusImplementation.h"
|
||||
|
||||
#include "BlockStream.h"
|
||||
|
||||
/*
|
||||
===================================================================================================
|
||||
|
||||
CBlockMember
|
||||
|
||||
===================================================================================================
|
||||
*/
|
||||
|
||||
inline CBlockMember::CBlockMember( void )
|
||||
{
|
||||
m_id = -1;
|
||||
m_size = -1;
|
||||
m_data = NULL;
|
||||
}
|
||||
|
||||
inline CBlockMember::~CBlockMember( void )
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Free
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
void CBlockMember::Free(IGameInterface* game)
|
||||
{
|
||||
if ( m_data != NULL )
|
||||
{
|
||||
game->Free ( m_data );
|
||||
m_data = NULL;
|
||||
|
||||
m_id = m_size = -1;
|
||||
}
|
||||
delete this;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
GetInfo
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
void CBlockMember::GetInfo( int *id, int *size, void **data )
|
||||
{
|
||||
*id = m_id;
|
||||
*size = m_size;
|
||||
*data = m_data;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
SetData overloads
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
void CBlockMember::SetData( const char *data , CIcarus* icarus)
|
||||
{
|
||||
WriteDataPointer( data, strlen(data)+1, icarus );
|
||||
}
|
||||
|
||||
void CBlockMember::SetData( vec3_t data , CIcarus* icarus)
|
||||
{
|
||||
WriteDataPointer( data, 3 , icarus);
|
||||
}
|
||||
|
||||
void CBlockMember::SetData( void *data, int size, CIcarus* icarus)
|
||||
{
|
||||
IGameInterface* game = icarus->GetGame();
|
||||
if ( m_data )
|
||||
game->Free( m_data );
|
||||
|
||||
m_data = game->Malloc( size );
|
||||
memcpy( m_data, data, size );
|
||||
m_size = size;
|
||||
}
|
||||
|
||||
// Member I/O functions
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
ReadMember
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockMember::ReadMember( char **stream, long *streamPos, CIcarus* icarus )
|
||||
{
|
||||
IGameInterface* game = icarus->GetGame();
|
||||
m_id = *(int *) (*stream + *streamPos);
|
||||
*streamPos += sizeof( int );
|
||||
|
||||
if ( m_id == CIcarus::ID_RANDOM )
|
||||
{//special case, need to initialize this member's data to Q3_INFINITE so we can randomize the number only the first time random is checked when inside a wait
|
||||
m_size = sizeof( float );
|
||||
*streamPos += sizeof( long );
|
||||
m_data = game->Malloc( m_size );
|
||||
float infinite = game->MaxFloat();
|
||||
memcpy( m_data, &infinite, m_size );
|
||||
}
|
||||
else
|
||||
{
|
||||
m_size = *(long *) (*stream + *streamPos);
|
||||
*streamPos += sizeof( long );
|
||||
m_data = game->Malloc( m_size );
|
||||
memcpy( m_data, (*stream + *streamPos), m_size );
|
||||
}
|
||||
*streamPos += m_size;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
WriteMember
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockMember::WriteMember( FILE *m_fileHandle )
|
||||
{
|
||||
fwrite( &m_id, sizeof(m_id), 1, m_fileHandle );
|
||||
fwrite( &m_size, sizeof(m_size), 1, m_fileHandle );
|
||||
fwrite( m_data, m_size, 1, m_fileHandle );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Duplicate
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
CBlockMember *CBlockMember::Duplicate( CIcarus* icarus )
|
||||
{
|
||||
CBlockMember *newblock = new CBlockMember;
|
||||
|
||||
if ( newblock == NULL )
|
||||
return NULL;
|
||||
|
||||
newblock->SetData( m_data, m_size, icarus );
|
||||
newblock->SetSize( m_size );
|
||||
newblock->SetID( m_id );
|
||||
|
||||
return newblock;
|
||||
}
|
||||
|
||||
/*
|
||||
===================================================================================================
|
||||
|
||||
CBlock
|
||||
|
||||
===================================================================================================
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Init
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlock::Init( void )
|
||||
{
|
||||
m_flags = 0;
|
||||
m_id = 0;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Create
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlock::Create( int block_id )
|
||||
{
|
||||
Init();
|
||||
|
||||
m_id = block_id;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Free
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlock::Free( CIcarus* icarus )
|
||||
{
|
||||
IGameInterface* game = icarus->GetGame();
|
||||
int numMembers = GetNumMembers();
|
||||
CBlockMember *bMember;
|
||||
|
||||
while ( numMembers-- )
|
||||
{
|
||||
bMember = GetMember( numMembers );
|
||||
|
||||
if (!bMember)
|
||||
return false;
|
||||
|
||||
bMember->Free(game);
|
||||
}
|
||||
|
||||
m_members.clear(); //List of all CBlockMembers owned by this list
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// Write overloads
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Write
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlock::Write( int member_id, const char *member_data, CIcarus* icarus )
|
||||
{
|
||||
CBlockMember *bMember = new CBlockMember;
|
||||
|
||||
bMember->SetID( member_id );
|
||||
|
||||
bMember->SetData( member_data, icarus );
|
||||
bMember->SetSize( strlen(member_data) + 1 );
|
||||
|
||||
AddMember( bMember );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
int CBlock::Write( int member_id, vec3_t member_data, CIcarus* icarus )
|
||||
{
|
||||
CBlockMember *bMember;
|
||||
|
||||
bMember = new CBlockMember;
|
||||
|
||||
bMember->SetID( member_id );
|
||||
bMember->SetData( member_data, icarus );
|
||||
bMember->SetSize( sizeof(vec3_t) );
|
||||
|
||||
AddMember( bMember );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
int CBlock::Write( int member_id, float member_data, CIcarus* icarus )
|
||||
{
|
||||
CBlockMember *bMember = new CBlockMember;
|
||||
|
||||
bMember->SetID( member_id );
|
||||
bMember->WriteData( member_data, icarus );
|
||||
bMember->SetSize( sizeof(member_data) );
|
||||
|
||||
AddMember( bMember );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
int CBlock::Write( int member_id, int member_data, CIcarus* icarus )
|
||||
{
|
||||
CBlockMember *bMember = new CBlockMember;
|
||||
|
||||
bMember->SetID( member_id );
|
||||
bMember->WriteData( member_data , icarus);
|
||||
bMember->SetSize( sizeof(member_data) );
|
||||
|
||||
AddMember( bMember );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
int CBlock::Write( CBlockMember *bMember, CIcarus* )
|
||||
{
|
||||
// findme: this is wrong: bMember->SetSize( sizeof(bMember->GetData()) );
|
||||
|
||||
AddMember( bMember );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// Member list functions
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
AddMember
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlock::AddMember( CBlockMember *member )
|
||||
{
|
||||
m_members.insert( m_members.end(), member );
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
GetMember
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
CBlockMember *CBlock::GetMember( int memberNum )
|
||||
{
|
||||
if ( memberNum > GetNumMembers()-1 )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
return m_members[ memberNum ];
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
GetMemberData
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
void *CBlock::GetMemberData( int memberNum )
|
||||
{
|
||||
if ( memberNum > GetNumMembers()-1 )
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
return (void *) ((GetMember( memberNum ))->GetData());
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Duplicate
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
CBlock *CBlock::Duplicate( CIcarus* icarus )
|
||||
{
|
||||
blockMember_v::iterator mi;
|
||||
CBlock *newblock;
|
||||
|
||||
newblock = new CBlock;
|
||||
|
||||
if ( newblock == NULL )
|
||||
return false;
|
||||
|
||||
newblock->Create( m_id );
|
||||
|
||||
//Duplicate entire block and return the cc
|
||||
for ( mi = m_members.begin(); mi != m_members.end(); mi++ )
|
||||
{
|
||||
newblock->AddMember( (*mi)->Duplicate(icarus) );
|
||||
}
|
||||
|
||||
return newblock;
|
||||
}
|
||||
|
||||
/*
|
||||
===================================================================================================
|
||||
|
||||
CBlockStream
|
||||
|
||||
===================================================================================================
|
||||
*/
|
||||
|
||||
char* CBlockStream::s_IBI_EXT = ".IBI"; //(I)nterpreted (B)lock (I)nstructions
|
||||
char* CBlockStream::s_IBI_HEADER_ID = "IBI";
|
||||
const float CBlockStream::s_IBI_VERSION = 1.57f;
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Free
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockStream::Free( void )
|
||||
{
|
||||
//NOTENOTE: It is assumed that the user will free the passed memory block (m_stream) immediately after the run call
|
||||
// That's why this doesn't free the memory, it only clears its internal pointer
|
||||
|
||||
m_stream = NULL;
|
||||
m_streamPos = 0;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Create
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockStream::Create( char *filename )
|
||||
{
|
||||
// strip extension
|
||||
int extensionloc = strlen(filename);
|
||||
while ( (filename[extensionloc] != '.') && (extensionloc >= 0) )
|
||||
{
|
||||
extensionloc--;
|
||||
}
|
||||
if ( extensionloc < 0 )
|
||||
{
|
||||
strcpy(m_fileName, filename);
|
||||
}
|
||||
else
|
||||
{
|
||||
strncpy(m_fileName, filename, extensionloc);
|
||||
m_fileName[extensionloc] = '\0';
|
||||
}
|
||||
// add extension
|
||||
strcat((char *) m_fileName, s_IBI_EXT);
|
||||
|
||||
if ( ((m_fileHandle = fopen(m_fileName, "wb")) == NULL) )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
fwrite( s_IBI_HEADER_ID, 1, sizeof(s_IBI_HEADER_ID), m_fileHandle );
|
||||
fwrite( &s_IBI_VERSION, 1, sizeof(s_IBI_VERSION), m_fileHandle );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Init
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockStream::Init( void )
|
||||
{
|
||||
m_fileHandle = NULL;
|
||||
memset(m_fileName, 0, sizeof(m_fileName));
|
||||
|
||||
m_stream = NULL;
|
||||
m_streamPos = 0;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// Block I/O functions
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
WriteBlock
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockStream::WriteBlock( CBlock *block, CIcarus* icarus )
|
||||
{
|
||||
CBlockMember *bMember;
|
||||
int id = block->GetBlockID();
|
||||
int numMembers = block->GetNumMembers();
|
||||
unsigned char flags = block->GetFlags();
|
||||
|
||||
fwrite ( &id, sizeof(id), 1, m_fileHandle );
|
||||
fwrite ( &numMembers, sizeof(numMembers), 1, m_fileHandle );
|
||||
fwrite ( &flags, sizeof( flags ), 1, m_fileHandle );
|
||||
|
||||
for ( int i = 0; i < numMembers; i++ )
|
||||
{
|
||||
bMember = block->GetMember( i );
|
||||
bMember->WriteMember( m_fileHandle );
|
||||
}
|
||||
|
||||
block->Free(icarus);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
BlockAvailable
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockStream::BlockAvailable( void )
|
||||
{
|
||||
if ( m_streamPos >= m_fileSize )
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
ReadBlock
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockStream::ReadBlock( CBlock *get, CIcarus* icarus )
|
||||
{
|
||||
CBlockMember *bMember;
|
||||
int b_id, numMembers;
|
||||
unsigned char flags;
|
||||
|
||||
if (!BlockAvailable())
|
||||
return false;
|
||||
|
||||
b_id = *(int *) (m_stream + m_streamPos);
|
||||
m_streamPos += sizeof( b_id );
|
||||
|
||||
numMembers = *(int *) (m_stream + m_streamPos);
|
||||
m_streamPos += sizeof( numMembers );
|
||||
|
||||
flags = *(unsigned char*) (m_stream + m_streamPos);
|
||||
m_streamPos += sizeof( flags );
|
||||
|
||||
if (numMembers < 0)
|
||||
return false;
|
||||
|
||||
get->Create( b_id );
|
||||
get->SetFlags( flags );
|
||||
|
||||
// Stream blocks are generally temporary as they
|
||||
// are just used in an initial parsing phase...
|
||||
#ifdef _XBOX
|
||||
extern void Z_SetNewDeleteTemporary(bool bTemp);
|
||||
Z_SetNewDeleteTemporary(true);
|
||||
#endif
|
||||
|
||||
while ( numMembers-- > 0)
|
||||
{
|
||||
bMember = new CBlockMember;
|
||||
bMember->ReadMember( &m_stream, &m_streamPos, icarus );
|
||||
get->AddMember( bMember );
|
||||
}
|
||||
|
||||
#ifdef _XBOX
|
||||
Z_SetNewDeleteTemporary(false);
|
||||
#endif
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
-------------------------
|
||||
Open
|
||||
-------------------------
|
||||
*/
|
||||
|
||||
int CBlockStream::Open( char *buffer, long size )
|
||||
{
|
||||
char id_header[sizeof(s_IBI_HEADER_ID)];
|
||||
float version;
|
||||
|
||||
Init();
|
||||
|
||||
m_fileSize = size;
|
||||
|
||||
m_stream = buffer;
|
||||
|
||||
for ( int i = 0; i < sizeof( id_header ); i++ )
|
||||
{
|
||||
id_header[i] = *(m_stream + m_streamPos++);
|
||||
}
|
||||
|
||||
version = *(float *) (m_stream + m_streamPos);
|
||||
m_streamPos += sizeof( version );
|
||||
|
||||
//Check for valid header
|
||||
if ( strcmp( id_header, s_IBI_HEADER_ID ) )
|
||||
{
|
||||
Free();
|
||||
return false;
|
||||
}
|
||||
|
||||
//Check for valid version
|
||||
if ( version != s_IBI_VERSION )
|
||||
{
|
||||
Free();
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
Reference in New Issue
Block a user