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Fixed support for glTF2 uint16 weight indices

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This commit is contained in:
Robert Beckebans 2022-08-16 13:00:52 +02:00
parent 88b02efd6d
commit 3ea4ac29fe
1 changed files with 38 additions and 13 deletions
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51
neo/idlib/MapFile_gltf.cpp
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@ -235,22 +235,47 @@ MapPolygonMesh* MapPolygonMesh::ConvertFromMeshGltf( const gltfMesh_Primitive* p
}
case gltfMesh_Primitive_Attribute::Type::Indices:
{
idVec4i vec;
for( int i = 0; i < attrAcc->count; i++ )
if( attrAcc->typeSize == 2 )
{
bin.Read( ( void* )( &vec.x ), attrAcc->typeSize );
bin.Read( ( void* )( &vec.y ), attrAcc->typeSize );
bin.Read( ( void* )( &vec.z ), attrAcc->typeSize );
bin.Read( ( void* )( &vec.w ), attrAcc->typeSize );
if( attrBv->byteStride )
uint16_t vec[4];
for( int i = 0; i < attrAcc->count; i++ )
{
bin.Seek( attrBv->byteStride - ( attrib->elementSize * attrAcc->typeSize ), FS_SEEK_CUR );
}
bin.Read( ( void* )( &vec[0] ), attrAcc->typeSize );
bin.Read( ( void* )( &vec[1] ), attrAcc->typeSize );
bin.Read( ( void* )( &vec[2] ), attrAcc->typeSize );
bin.Read( ( void* )( &vec[3] ), attrAcc->typeSize );
if( attrBv->byteStride )
{
bin.Seek( attrBv->byteStride - ( attrib->elementSize * attrAcc->typeSize ), FS_SEEK_CUR );
}
mesh->verts[i].color[0] = vec.x;
mesh->verts[i].color[1] = vec.y;
mesh->verts[i].color[2] = vec.z;
mesh->verts[i].color[3] = vec.w;
mesh->verts[i].color[0] = vec[0];
mesh->verts[i].color[1] = vec[1];
mesh->verts[i].color[2] = vec[2];
mesh->verts[i].color[3] = vec[3];
}
}
else
{
uint8_t vec[4];
for( int i = 0; i < attrAcc->count; i++ )
{
assert( sizeof( vec ) == attrAcc->typeSize );
bin.Read( ( void* )( &vec[0] ), attrAcc->typeSize );
bin.Read( ( void* )( &vec[1] ), attrAcc->typeSize );
bin.Read( ( void* )( &vec[2] ), attrAcc->typeSize );
bin.Read( ( void* )( &vec[3] ), attrAcc->typeSize );
if( attrBv->byteStride )
{
bin.Seek( attrBv->byteStride - ( attrib->elementSize * attrAcc->typeSize ), FS_SEEK_CUR );
}
mesh->verts[i].color[0] = vec[0];
mesh->verts[i].color[1] = vec[1];
mesh->verts[i].color[2] = vec[2];
mesh->verts[i].color[3] = vec[3];
}
}
break;