Image* LoadMDLImageBuff( byte* buffer ){
if ( !LoadPalette() ) {
return 0;
}
if ( !ident_equal( buffer, MDL_IDENT ) ) {
globalErrorStream() << "LoadMDLImage: data has wrong ident\n";
return 0;
}
PointerInputStream inputStream( buffer );
inputStream.seek( 4 + 4 + 12 + 12 + 4 + 12 );
//int numskins =
istream_read_int32_le( inputStream );
int skinwidth = istream_read_int32_le( inputStream );
int skinheight = istream_read_int32_le( inputStream );
inputStream.seek( 4 + 4 + 4 + 4 + 4 + 4 );
switch ( istream_read_int32_le( inputStream ) )
{
case MDL_SKIN_SINGLE:
break;
case MDL_SKIN_GROUP:
int numskins = istream_read_int32_le( inputStream );
inputStream.seek( numskins * 4 );
break;
}
RGBAImage* image = new RGBAImage( skinwidth, skinheight );
unsigned char* pRGBA = image->getRGBAPixels();
for ( int i = 0; i < ( skinheight ); i++ )
{
for ( int j = 0; j < ( skinwidth ); j++ )
{
byte index = istream_read_byte( inputStream );
*pRGBA++ = mdl_palette[index * 3 + 0];
*pRGBA++ = mdl_palette[index * 3 + 1];
*pRGBA++ = mdl_palette[index * 3 + 2];
*pRGBA++ = 255;
}
}
return image;
}
void istream_read_mdlHeader( PointerInputStream& inputStream, mdlHeader_t& header ){
inputStream.read( header.ident, 4 );
header.version = istream_read_int32_le( inputStream );
header.scale[0] = istream_read_float32_le( inputStream );
header.scale[1] = istream_read_float32_le( inputStream );
header.scale[2] = istream_read_float32_le( inputStream );
header.scale_origin[0] = istream_read_float32_le( inputStream );
header.scale_origin[1] = istream_read_float32_le( inputStream );
header.scale_origin[2] = istream_read_float32_le( inputStream );
header.boundingradius = istream_read_float32_le( inputStream );
header.eyeposition[0] = istream_read_float32_le( inputStream );
header.eyeposition[1] = istream_read_float32_le( inputStream );
header.eyeposition[2] = istream_read_float32_le( inputStream );
header.numskins = istream_read_int32_le( inputStream );
header.skinwidth = istream_read_int32_le( inputStream );
header.skinheight = istream_read_int32_le( inputStream );
header.numverts = istream_read_int32_le( inputStream );
header.numtris = istream_read_int32_le( inputStream );
header.numframes = istream_read_int32_le( inputStream );
header.synctype = istream_read_int32_le( inputStream );
header.flags = istream_read_int32_le( inputStream );
header.size = istream_read_float32_le( inputStream );
}
void MDLSurface_read( Surface& surface, const byte* buffer, const char* name ){
mdlHeader_t header;
PointerInputStream inputStream( buffer );
istream_read_mdlHeader( inputStream, header );
for ( int i = 0; i < header.numskins; ++i )
{
switch ( istream_read_int32_le( inputStream ) )
{
case MDL_SKIN_SINGLE:
inputStream.seek( header.skinwidth * header.skinheight );
break;
case MDL_SKIN_GROUP:
int numskins = istream_read_int32_le( inputStream );
inputStream.seek( numskins * ( 4 + ( header.skinwidth * header.skinheight ) ) );
break;
}
}
Array<mdlSt_t> mdlSts( header.numverts );
for ( Array<mdlSt_t>::iterator i = mdlSts.begin(); i != mdlSts.end(); ++i )
{
( *i ).onseam = istream_read_int32_le( inputStream );
( *i ).s = istream_read_int32_le( inputStream );
( *i ).t = istream_read_int32_le( inputStream );
}
Array<mdlTriangle_t> mdlTriangles( header.numtris );
for ( Array<mdlTriangle_t>::iterator i = mdlTriangles.begin(); i != mdlTriangles.end(); ++i )
{
( *i ).facesfront = istream_read_int32_le( inputStream );
( *i ).vertindex[0] = istream_read_int32_le( inputStream );
( *i ).vertindex[1] = istream_read_int32_le( inputStream );
( *i ).vertindex[2] = istream_read_int32_le( inputStream );
}
{
bool found = false;
for ( int i = 0; i < header.numframes && found == false; i++ )
{
switch ( istream_read_int32_le( inputStream ) )
{
case MDL_FRAME_SINGLE:
inputStream.seek( MDL_FRAME_SIZE );
found = true;
break;
case MDL_FRAME_GROUP:
int numframes = istream_read_int32_le( inputStream );
//inputStream.seek( ( MDL_XYZNORMAL_SIZE * 2 ) + ( numframes * 4 ) );
inputStream.seek( ( MDL_XYZNORMAL_SIZE * 4 ) + ( numframes * 4 ) + 16 );//group min_vec3 + max_vec3 + timings_float[numframes] + frame min_vec3 + max_vec3 + name_char[16]
found = true;
break;
}
}
}
Array<mdlXyzNormal_t> mdlXyzNormals( header.numverts );
for ( Array<mdlXyzNormal_t>::iterator i = mdlXyzNormals.begin(); i != mdlXyzNormals.end(); ++i )
{
inputStream.read( ( *i ).v, 3 );
inputStream.read( &( *i ).lightnormalindex, 1 );
}
{
VertexBuffer<mdlVertex_t> mdl_vertices;
{
UniqueVertexBuffer<mdlVertex_t> inserter( mdl_vertices );
for ( Array<mdlTriangle_t>::iterator i = mdlTriangles.begin(); i != mdlTriangles.end(); ++i )
{
surface.indices().insert( inserter.insert( mdlVertex_t( ( *i ).vertindex[0], ( *i ).facesfront ) ) );
surface.indices().insert( inserter.insert( mdlVertex_t( ( *i ).vertindex[1], ( *i ).facesfront ) ) );
surface.indices().insert( inserter.insert( mdlVertex_t( ( *i ).vertindex[2], ( *i ).facesfront ) ) );
}
}
{
surface.vertices().reserve( mdl_vertices.size() );
for ( VertexBuffer<mdlVertex_t>::iterator i = mdl_vertices.begin(); i != mdl_vertices.end(); ++i )
{
surface.vertices().push_back( MDLVertex_construct( header, mdlXyzNormals[( *i ).m_vertindex], mdlSts[( *i ).m_vertindex], ( *i ).m_facesfront == MDL_FACES_FRONT ) );
}
}
}
surface.setShader( name );
surface.updateAABB();
}
void istream_read_md2Header( PointerInputStream& inputStream, md2Header_t& header ){
inputStream.read( header.ident, 4 );
header.version = istream_read_int32_le( inputStream );
header.skinwidth = istream_read_int32_le( inputStream );
header.skinheight = istream_read_int32_le( inputStream );
header.framesize = istream_read_int32_le( inputStream );
header.num_skins = istream_read_int32_le( inputStream );
header.num_xyz = istream_read_int32_le( inputStream );
header.num_st = istream_read_int32_le( inputStream );
header.num_tris = istream_read_int32_le( inputStream );
header.num_glcmds = istream_read_int32_le( inputStream );
header.num_frames = istream_read_int32_le( inputStream );
header.ofs_skins = istream_read_int32_le( inputStream );
header.ofs_st = istream_read_int32_le( inputStream );
header.ofs_tris = istream_read_int32_le( inputStream );
header.ofs_frames = istream_read_int32_le( inputStream );
header.ofs_glcmds = istream_read_int32_le( inputStream );
header.ofs_end = istream_read_int32_le( inputStream );
}
