static void mikk_get_texture_coordinate(const SMikkTSpaceContext *context, float uv[2], const int face_num, const int vert_num)
{
MikkUserData *userdata = (MikkUserData*)context->m_pUserData;
if(userdata->layer != NULL) {
BL::MeshTextureFace tf = userdata->layer->data[face_num];
float3 tfuv;
switch(vert_num) {
case 0:
tfuv = get_float3(tf.uv1());
break;
case 1:
tfuv = get_float3(tf.uv2());
break;
case 2:
tfuv = get_float3(tf.uv3());
break;
default:
tfuv = get_float3(tf.uv4());
break;
}
uv[0] = tfuv.x;
uv[1] = tfuv.y;
}
else {
int vert_idx = userdata->mesh.tessfaces[face_num].vertices()[vert_num];
float3 orco =
get_float3(userdata->mesh.vertices[vert_idx].undeformed_co());
float2 tmp = map_to_sphere(make_float3(orco[0], orco[1], orco[2]));
uv[0] = tmp.x;
uv[1] = tmp.y;
}
}
static void mikk_get_texture_coordinate(const SMikkTSpaceContext *context, float uv[2], const int face_num, const int vert_num)
{
MikkUserData *userdata = (MikkUserData*)context->m_pUserData;
BL::MeshTextureFace tf = userdata->layer.data[face_num];
float3 tfuv;
switch (vert_num) {
case 0:
tfuv = get_float3(tf.uv1());
break;
case 1:
tfuv = get_float3(tf.uv2());
break;
case 2:
tfuv = get_float3(tf.uv3());
break;
default:
tfuv = get_float3(tf.uv4());
break;
}
uv[0] = tfuv.x;
uv[1] = tfuv.y;
}