mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-28 23:12:04 +00:00
698 lines
11 KiB
C++
698 lines
11 KiB
C++
//Anything above this #include will be ignored by the compiler
|
|
#include "../qcommon/exe_headers.h"
|
|
|
|
// Interpreted Block Stream Functions
|
|
//
|
|
// -- jweier
|
|
|
|
// this include must remain at the top of every Icarus CPP file
|
|
#include "icarus.h"
|
|
|
|
|
|
#pragma warning(disable : 4100) //unref formal parm
|
|
#pragma warning(disable : 4710) //member not inlined
|
|
|
|
#include <string.h>
|
|
#include "blockstream.h"
|
|
|
|
/*
|
|
===================================================================================================
|
|
|
|
CBlockMember
|
|
|
|
===================================================================================================
|
|
*/
|
|
|
|
CBlockMember::CBlockMember( void )
|
|
{
|
|
m_id = -1;
|
|
m_size = -1;
|
|
m_data = NULL;
|
|
}
|
|
|
|
CBlockMember::~CBlockMember( void )
|
|
{
|
|
Free();
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
Free
|
|
-------------------------
|
|
*/
|
|
|
|
void CBlockMember::Free( void )
|
|
{
|
|
if ( m_data != NULL )
|
|
{
|
|
ICARUS_Free ( m_data );
|
|
m_data = NULL;
|
|
|
|
m_id = m_size = -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
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 )
|
|
{
|
|
WriteDataPointer( data, strlen(data)+1 );
|
|
}
|
|
|
|
void CBlockMember::SetData( vector_t data )
|
|
{
|
|
WriteDataPointer( data, 3 );
|
|
}
|
|
|
|
void CBlockMember::SetData( void *data, int size )
|
|
{
|
|
if ( m_data )
|
|
ICARUS_Free( m_data );
|
|
|
|
m_data = ICARUS_Malloc( size );
|
|
memcpy( m_data, data, size );
|
|
m_size = size;
|
|
}
|
|
|
|
// Member I/O functions
|
|
|
|
/*
|
|
-------------------------
|
|
ReadMember
|
|
-------------------------
|
|
*/
|
|
|
|
int CBlockMember::ReadMember( char **stream, long *streamPos )
|
|
{
|
|
m_id = *(int *) (*stream + *streamPos);
|
|
*streamPos += sizeof( int );
|
|
|
|
if ( m_id == 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 = ICARUS_Malloc( m_size );
|
|
float infinite = Q3_INFINITE;
|
|
memcpy( m_data, &infinite, m_size );
|
|
}
|
|
else
|
|
{
|
|
m_size = *(long *) (*stream + *streamPos);
|
|
*streamPos += sizeof( long );
|
|
m_data = ICARUS_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( void )
|
|
{
|
|
CBlockMember *newblock = new CBlockMember;
|
|
|
|
if ( newblock == NULL )
|
|
return NULL;
|
|
|
|
newblock->SetData( m_data, m_size );
|
|
newblock->SetSize( m_size );
|
|
newblock->SetID( m_id );
|
|
|
|
return newblock;
|
|
}
|
|
|
|
/*
|
|
===================================================================================================
|
|
|
|
CBlock
|
|
|
|
===================================================================================================
|
|
*/
|
|
|
|
CBlock::CBlock( void )
|
|
{
|
|
m_flags = 0;
|
|
m_id = 0;
|
|
}
|
|
|
|
CBlock::~CBlock( void )
|
|
{
|
|
Free();
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
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( void )
|
|
{
|
|
int numMembers = GetNumMembers();
|
|
CBlockMember *bMember;
|
|
|
|
while ( numMembers-- )
|
|
{
|
|
bMember = GetMember( numMembers );
|
|
|
|
if (!bMember)
|
|
return false;
|
|
|
|
delete bMember;
|
|
}
|
|
|
|
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 )
|
|
{
|
|
CBlockMember *bMember = new CBlockMember;
|
|
|
|
bMember->SetID( member_id );
|
|
|
|
bMember->SetData( member_data );
|
|
bMember->SetSize( strlen(member_data) + 1 );
|
|
|
|
AddMember( bMember );
|
|
|
|
return true;
|
|
}
|
|
|
|
int CBlock::Write( int member_id, vector_t member_data )
|
|
{
|
|
CBlockMember *bMember;
|
|
|
|
bMember = new CBlockMember;
|
|
|
|
bMember->SetID( member_id );
|
|
bMember->SetData( member_data );
|
|
bMember->SetSize( sizeof(vector_t) );
|
|
|
|
AddMember( bMember );
|
|
|
|
return true;
|
|
}
|
|
|
|
int CBlock::Write( int member_id, float member_data )
|
|
{
|
|
CBlockMember *bMember = new CBlockMember;
|
|
|
|
bMember->SetID( member_id );
|
|
bMember->WriteData( member_data );
|
|
bMember->SetSize( sizeof(member_data) );
|
|
|
|
AddMember( bMember );
|
|
|
|
return true;
|
|
}
|
|
|
|
int CBlock::Write( int member_id, int member_data )
|
|
{
|
|
CBlockMember *bMember = new CBlockMember;
|
|
|
|
bMember->SetID( member_id );
|
|
bMember->WriteData( member_data );
|
|
bMember->SetSize( sizeof(member_data) );
|
|
|
|
AddMember( bMember );
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
int CBlock::Write( CBlockMember *bMember )
|
|
{
|
|
// 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( void )
|
|
{
|
|
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() );
|
|
}
|
|
|
|
return newblock;
|
|
}
|
|
|
|
/*
|
|
===================================================================================================
|
|
|
|
CBlockStream
|
|
|
|
===================================================================================================
|
|
*/
|
|
|
|
CBlockStream::CBlockStream( void )
|
|
{
|
|
m_stream = NULL;
|
|
m_streamPos = 0;
|
|
}
|
|
|
|
CBlockStream::~CBlockStream( void )
|
|
{
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
GetChar
|
|
-------------------------
|
|
*/
|
|
|
|
char CBlockStream::GetChar( void )
|
|
{
|
|
char data;
|
|
|
|
data = *(char*) (m_stream + m_streamPos);
|
|
m_streamPos += sizeof( data );
|
|
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
GetUnsignedInteger
|
|
-------------------------
|
|
*/
|
|
|
|
unsigned CBlockStream::GetUnsignedInteger( void )
|
|
{
|
|
unsigned data;
|
|
|
|
data = *(unsigned *) (m_stream + m_streamPos);
|
|
m_streamPos += sizeof( data );
|
|
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
GetInteger
|
|
-------------------------
|
|
*/
|
|
|
|
int CBlockStream::GetInteger( void )
|
|
{
|
|
int data;
|
|
|
|
data = *(int *) (m_stream + m_streamPos);
|
|
m_streamPos += sizeof( data );
|
|
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
GetLong
|
|
-------------------------
|
|
*/
|
|
|
|
long CBlockStream::GetLong( void )
|
|
{
|
|
long data;
|
|
|
|
data = *(long *) (m_stream + m_streamPos);
|
|
m_streamPos += sizeof( data );
|
|
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
GetFloat
|
|
-------------------------
|
|
*/
|
|
|
|
float CBlockStream::GetFloat( void )
|
|
{
|
|
float data;
|
|
|
|
data = *(float *) (m_stream + m_streamPos);
|
|
m_streamPos += sizeof( data );
|
|
|
|
return data;
|
|
}
|
|
|
|
// Extension stripping utility
|
|
|
|
/*
|
|
-------------------------
|
|
StripExtension
|
|
-------------------------
|
|
*/
|
|
|
|
void CBlockStream::StripExtension( const char *in, char *out )
|
|
{
|
|
int i = strlen(in);
|
|
|
|
while ( (in[i] != '.') && (i >= 0) )
|
|
i--;
|
|
|
|
if ( i < 0 )
|
|
{
|
|
strcpy(out, in);
|
|
return;
|
|
}
|
|
|
|
strncpy(out, in, i);
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
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 )
|
|
{
|
|
char newName[MAX_FILENAME_LENGTH], *id_header = IBI_HEADER_ID;
|
|
float version = IBI_VERSION;
|
|
|
|
//Clear the temp string
|
|
memset(newName, 0, sizeof(newName));
|
|
|
|
//Strip the extension and add the BLOCK_EXT extension
|
|
strcpy((char *) m_fileName, filename);
|
|
StripExtension( (char *) m_fileName, (char *) &newName );
|
|
strcat((char *) newName, IBI_EXT);
|
|
|
|
//Recover that as the active filename
|
|
strcpy(m_fileName, newName);
|
|
|
|
if ( ((m_fileHandle = fopen(m_fileName, "wb")) == NULL) )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
fwrite( id_header, 1, sizeof(id_header), m_fileHandle );
|
|
fwrite( &version, 1, sizeof(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 )
|
|
{
|
|
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();
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
BlockAvailable
|
|
-------------------------
|
|
*/
|
|
|
|
int CBlockStream::BlockAvailable( void )
|
|
{
|
|
if ( m_streamPos >= m_fileSize )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
ReadBlock
|
|
-------------------------
|
|
*/
|
|
|
|
int CBlockStream::ReadBlock( CBlock *get )
|
|
{
|
|
CBlockMember *bMember;
|
|
int b_id, numMembers;
|
|
unsigned char flags;
|
|
|
|
if (!BlockAvailable())
|
|
return false;
|
|
|
|
b_id = GetInteger();
|
|
numMembers = GetInteger();
|
|
flags = (unsigned char) GetChar();
|
|
|
|
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 );
|
|
get->AddMember( bMember );
|
|
}
|
|
|
|
#ifdef _XBOX
|
|
Z_SetNewDeleteTemporary(false);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
Open
|
|
-------------------------
|
|
*/
|
|
|
|
int CBlockStream::Open( char *buffer, long size )
|
|
{
|
|
char id_header[sizeof(IBI_HEADER_ID)];
|
|
float version;
|
|
|
|
Init();
|
|
|
|
m_fileSize = size;
|
|
|
|
m_stream = buffer;
|
|
|
|
for ( int i = 0; i < sizeof( id_header ); i++ )
|
|
{
|
|
id_header[i] = GetChar();
|
|
}
|
|
|
|
version = GetFloat();
|
|
|
|
//Check for valid header
|
|
if ( strcmp( id_header, IBI_HEADER_ID ) )
|
|
{
|
|
Free();
|
|
return false;
|
|
}
|
|
|
|
//Check for valid version
|
|
if ( version != IBI_VERSION )
|
|
{
|
|
Free();
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|