void istream_read_mdcXyzNormal(PointerInputStream& inputStream, mdcXyzNormal_t& xyz)
{
xyz.xyz[0] = istream_read_int16_le(inputStream);
xyz.xyz[1] = istream_read_int16_le(inputStream);
xyz.xyz[2] = istream_read_int16_le(inputStream);
xyz.normal = istream_read_int16_le(inputStream);
}
void istream_read_md2Triangle( PointerInputStream& inputStream, md2Triangle_t& triangle ){
triangle.index_xyz[0] = istream_read_int16_le( inputStream );
triangle.index_xyz[1] = istream_read_int16_le( inputStream );
triangle.index_xyz[2] = istream_read_int16_le( inputStream );
triangle.index_st[0] = istream_read_int16_le( inputStream );
triangle.index_st[1] = istream_read_int16_le( inputStream );
triangle.index_st[2] = istream_read_int16_le( inputStream );
}
inline void targa_header_read_istream(TargaHeader& targa_header, PointerInputStream& istream)
{
targa_header.id_length = istream_read_byte(istream);
targa_header.colormap_type = istream_read_byte(istream);
targa_header.image_type = istream_read_byte(istream);
targa_header.colormap_index = istream_read_int16_le(istream);
targa_header.colormap_length = istream_read_int16_le(istream);
targa_header.colormap_size = istream_read_byte(istream);
targa_header.x_origin = istream_read_int16_le(istream);
targa_header.y_origin = istream_read_int16_le(istream);
targa_header.width = istream_read_int16_le(istream);
targa_header.height = istream_read_int16_le(istream);
targa_header.pixel_size = istream_read_byte(istream);
targa_header.attributes = istream_read_byte(istream);
if (targa_header.id_length != 0)
istream.seek(targa_header.id_length); // skip TARGA image comment
}
void LoadPCXBuff(byte* buffer, std::size_t len, byte **pic, byte **palette, int *width, int *height )
{
*pic = 0;
pcx_t pcx;
int x, y, lsize;
byte *out, *pix;
/* parse the PCX file */
PointerInputStream inputStream(buffer);
pcx.manufacturer = istream_read_byte(inputStream);
pcx.version = istream_read_byte(inputStream);
pcx.encoding = istream_read_byte(inputStream);
pcx.bits_per_pixel = istream_read_byte(inputStream);
pcx.xmin = istream_read_int16_le(inputStream);
pcx.ymin = istream_read_int16_le(inputStream);
pcx.xmax = istream_read_int16_le(inputStream);
pcx.ymax = istream_read_int16_le(inputStream);
pcx.hres = istream_read_int16_le(inputStream);
pcx.vres = istream_read_int16_le(inputStream);
inputStream.read(pcx.palette, 48);
pcx.reserved = istream_read_byte(inputStream);
pcx.color_planes = istream_read_byte(inputStream);
pcx.bytes_per_line = istream_read_int16_le(inputStream);
pcx.palette_type = istream_read_int16_le(inputStream);
inputStream.read(pcx.filler, 58);
if (pcx.manufacturer != 0x0a
|| pcx.version != 5
|| pcx.encoding != 1
|| pcx.bits_per_pixel != 8)
return;
if (width)
*width = pcx.xmax+1;
if (height)
*height = pcx.ymax+1;
if (!pic)
return;
out = (byte *)malloc ( (pcx.ymax+1) * (pcx.xmax+1) );
*pic = out;
pix = out;
/* RR2DO2: pcx fix */
lsize = pcx.color_planes * pcx.bytes_per_line;
/* go scanline by scanline */
for( y = 0; y <= pcx.ymax; y++, pix += pcx.xmax + 1 )
{
/* do a scanline */
for( x=0; x <= pcx.xmax; )
{
/* RR2DO2 */
PCXRLEPacket packet;
ByteStream_readPCXRLEPacket(inputStream, packet);
while(packet.length-- > 0)
{
pix[ x++ ] = packet.data;
}
}
/* RR2DO2: discard any other data */
PCXRLEPacket packet;
while( x < lsize )
{
ByteStream_readPCXRLEPacket(inputStream, packet);
x++;
}
while( packet.length-- > 0 )
{
x++;
}
}
/* validity check */
if( std::size_t(inputStream.get() - buffer) > len)
{
*pic = 0;
}
if (palette)
{
*palette = (byte *)malloc(768);
memcpy (*palette, buffer + len - 768, 768);
}
}
void istream_read_md2St( PointerInputStream& inputStream, md2St_t& st ){
st.s = istream_read_int16_le( inputStream );
st.t = istream_read_int16_le( inputStream );
}
