void CBuffer::AddReversed(const void * pData, DWORD nLength)
{
EnsureBuffer( nLength );
ReverseBuffer( pData, m_pBuffer + m_nLength, nLength );
m_nLength += nLength;
}
// Takes a pointer to some memory, and the number of bytes we can read there
// Adds them to this buffer, except in reverse order
void CBuffer::AddReversed(const void *pData, DWORD nLength)
{
// Make sure this buffer has enough memory allocated to hold another nLength bytes
EnsureBuffer( nLength );
// Copy nLength bytes from pData to the end of the buffer, except in reverse order
ReverseBuffer( pData, m_pBuffer + m_nLength, nLength );
// Record the new length
m_nLength += nLength;
}
// Takes a pointer to some memory, and the number of bytes we can read there
// Adds them to this buffer, except in reverse order
void CBuffer::AddReversed(const void *pData, const size_t nLength)
{
ASSERT( pData );
if ( pData == NULL ) return;
// Make sure this buffer has enough memory allocated to hold another nLength bytes
if ( ! EnsureBuffer( nLength ) ) return;
// Copy nLength bytes from pData to the end of the buffer, except in reverse order
ReverseBuffer( pData, m_pBuffer + m_nLength, nLength );
// Record the new length
m_nLength += static_cast< DWORD >( nLength );
}
/* Handle the entry internally. Make an image or play the sound.... */
static void HandleInternal( Int4 index )
{
unsigned char *sndbuf;
unsigned char *pImgBuf ;
char **xpmbuf=NULL;
static char imagetext[50];
int nc;
unsigned short samplerate;
/* Sound sample size: The specs says a short here, with the next
short empty. But some entries are (32 bits) ints, and the game
engine accepts it. Examples include entries 164--171 (and many
more) in strife0.wad (shareware v. 1.1), and #50 in the "Clint
Eastwood DOOM (II?) sfx" pwad.... */
Uint4 nsamples;
short w, h, dx, dy;
switch ( pEntryTag[index] )
{
case TAG_SFX :
/* Read sound header */
fseek( WADfp, pDirEnt[index].start + 2, SEEK_SET );
fread( &samplerate, sizeof(short), 1, WADfp );
fread( &nsamples, sizeof(Uint4), 1, WADfp );
if ( nsamples != pDirEnt[index].size - 8)
Message("Warning, sample size = %d, while Directory size = %d.\n",
nsamples, pDirEnt[index].size);
sndbuf = malloc( nsamples );
if ( !sndbuf ) {
Message("can't malloc data for snd buf (%d bytes)\n",nsamples);
return;
}
/* read the samples */
fread( sndbuf, 1, nsamples, WADfp );
if ( fl_get_button(rev_but) ) /* reverse ! */
ReverseBuffer( sndbuf, nsamples );
PlayRaw( sndbuf, nsamples, samplerate );
free( sndbuf );
break;
case TAG_FLAT :
case TAG_FULL :
case TAG_IMG :
pImgBuf = ParseImgBlock(pDirEnt[index], pEntryTag[index],
&w, &h, &dx, &dy, WADfp);
/* I planned to use the offsets (dx,dy) for better placement of
the image, but I need to find out some useful heuristics
for how to do it.....
printf("image: %dx%d, ofs left %d, top %d\n",w,h,dx,dy);
*/
if ( pImgBuf && w <= 320 && h <= 200 &&
(xpmbuf = CreateXpmImage( pImgBuf, w, h, 0, &nc)) ) {
fl_free_pixmap_pixmap( img_pxm );
fl_set_pixmap_data( img_pxm, xpmbuf );
sprintf(imagetext,"#%d, %dx%d, %d colours",index,w,h,nc);
fl_set_object_label(img_txt, imagetext);
}
else {
Message("error creating image. (%p, %hdx%hd, %p)\n",
pImgBuf, w, h, xpmbuf);
return;
}
break;
default : Message("entry %d, Not implemented\n",index); break;
}
}
///---------------------------------------------------------------------------------
///
///---------------------------------------------------------------------------------
void ReverseBufferJob::Run()
{
ReverseBuffer( m_buffer, m_bufferSize );
SetCallbackArg( (void*)m_buffer );
}
