static void TransformNormalAttribute( TQ3AttributeSet ioAtts,
const TQ3Matrix4x4& inMatrix )
{
if (ioAtts != NULL)
{
TQ3Vector3D theNormal;
if (kQ3Success == Q3AttributeSet_Get( ioAtts, kQ3AttributeTypeNormal,
&theNormal ))
{
Q3Vector3D_Transform( &theNormal, &inMatrix, &theNormal );
Q3FastVector3D_Normalize( &theNormal, &theNormal );
Q3AttributeSet_Add( ioAtts, kQ3AttributeTypeNormal, &theNormal );
}
}
}
TQ3Status TriangulatorGeometry_Triangle(TQ3ViewObject View, void *PrivateData,
TQ3GeometryObject Triangle, const TQ3TriangleData *TriangleData)
{
// Just in case...
if (!TriangleData) return kQ3Success;
// Get the overall normal and color (DiffuseColor)
TQ3Boolean OverallColorPresent =
Q3AttributeSet_Contains(TriangleData->triangleAttributeSet,kQ3AttributeTypeDiffuseColor);
TQ3ColorRGB OverallColor;
if (OverallColorPresent);
Q3AttributeSet_Get(TriangleData->triangleAttributeSet,kQ3AttributeTypeDiffuseColor,&OverallColor);
// Load the triangle's contents into a vertex object
for (int k=0; k<3; k++)
{
FullVertexData FullVertex;
obj_clear(FullVertex);
const TQ3Vertex3D& Vertex = TriangleData->vertices[k];
GLfloat *FV_Pos = FullVertex.Data + FullVertexData::POS_BASE;
FV_Pos[0] = Vertex.point.x;
FV_Pos[1] = Vertex.point.y;
FV_Pos[2] = Vertex.point.z;
TQ3Param2D TxtrCoord;
TQ3Boolean TxtrCoord_Present =
Q3AttributeSet_Contains(Vertex.attributeSet,kQ3AttributeTypeShadingUV);
if (TxtrCoord_Present)
Q3AttributeSet_Get(Vertex.attributeSet,kQ3AttributeTypeShadingUV,&TxtrCoord);
else
{
TxtrCoord_Present =
Q3AttributeSet_Contains(Vertex.attributeSet,kQ3AttributeTypeSurfaceUV);
if (TxtrCoord_Present)
Q3AttributeSet_Get(Vertex.attributeSet,kQ3AttributeTypeSurfaceUV,&TxtrCoord);
else
TxtrCoordsPresent = false;
}
if (TxtrCoordsPresent)
{
GLfloat *FV_TC = FullVertex.Data + FullVertexData::TC_BASE;
FV_TC[0] = TxtrCoord.u;
FV_TC[1] = TxtrCoord.v;
}
TQ3Vector3D Normal;
TQ3Boolean Normal_Present =
Q3AttributeSet_Contains(Vertex.attributeSet,kQ3AttributeTypeNormal);
if (Normal_Present)
Q3AttributeSet_Get(Vertex.attributeSet,kQ3AttributeTypeNormal,&Normal);
else
NormalsPresent = false;
if (NormalsPresent)
{
GLfloat *FV_Norm = FullVertex.Data + FullVertexData::NORM_BASE;
FV_Norm[0] = Normal.x;
FV_Norm[1] = Normal.y;
FV_Norm[2] = Normal.z;
}
TQ3ColorRGB Color;
TQ3Boolean Color_Present =
Q3AttributeSet_Contains(Vertex.attributeSet,kQ3AttributeTypeDiffuseColor);
if (Color_Present)
Q3AttributeSet_Get(Vertex.attributeSet,kQ3AttributeTypeDiffuseColor,&Color);
else if (OverallColorPresent)
Color = OverallColor;
else
ColorsPresent = false;
if (ColorsPresent)
{
GLfloat *FV_Color = FullVertex.Data + FullVertexData::COLOR_BASE;
FV_Color[0] = Color.r;
FV_Color[1] = Color.g;
FV_Color[2] = Color.b;
}
FullVertexList.push_back(FullVertex);
}
return kQ3Success;
}
