void ImporterGeometryTWM::build_skeleton( std::vector<std::string> &joint_names,
std::vector<Joint> &src_joints,
std::vector<SkeletonJoint> &dst_joints)
{
if (src_joints.size() <= 0)
return;
// allocate space for destination joints
dst_joints.resize(src_joints.size());
for (DTuint i = 0; i < src_joints.size(); ++i) {
Joint &joint = src_joints[i];
// find index of joint in names
DTsize joint_index = 0;
std::size_t j;
for (j = 0; j < joint_names.size(); ++j) {
if (joint_names[j] == joint._name) {
joint_index = j;
break;
}
}
if (j == joint_names.size()) {
LOG_MESSAGE << "Warning: Unknown joint found in skeleton: " << joint._name;
joint_names.push_back(joint._name);
joint_index = joint_names.size()-1;
}
// Buid copy of joint
SkeletonJoint &dest_joint = dst_joints[i];
dest_joint.set_name(joint._name);
dest_joint.set_joint_index( static_cast<DTuint>(joint_index) );
dest_joint.set_local_transform(joint._local_transform);
dest_joint.set_world_transform(joint._world_transform);
// Build child joints
std::vector<SkeletonJoint> dest_joints;
build_skeleton(joint_names, joint._children, dest_joints);
dest_joint.set_children(dest_joints);
}
}
void class2(graph_t* g)
{
int c;
node_t *n,*t,*h;
edge_t *e,*prev,*opp;
g->u.nlist = NULL;
g->u.n_nodes = 0; /* new */
mark_clusters(g);
for (c = 1; c <= g->u.n_cluster; c++)
build_skeleton(g,g->u.clust[c]);
for (n = agfstnode(g); n; n = agnxtnode(g,n))
for (e = agfstout(g,n); e; e = agnxtout(g,e)) {
if (e->head->u.weight_class <= 2) e->head->u.weight_class++;
if (e->tail->u.weight_class <= 2) e->tail->u.weight_class++;
}
for (n = agfstnode(g); n; n = agnxtnode(g,n)) {
if ((n->u.clust == NULL) && (n == UF_find(n))) {fast_node(g,n); g->u.n_nodes++;}
prev = NULL;
for (e = agfstout(g,n); e; e = agnxtout(g,e)) {
/* already processed */
if (e->u.to_virt) continue;
/* edges involving sub-clusters of g */
if (is_cluster_edge(e)) {
/* following is new cluster multi-edge code */
if (mergeable(prev,e)) {
if (prev->u.to_virt) {
merge_chain(g,e,prev->u.to_virt,FALSE);
other_edge(e);
}
else if (e->tail->u.rank == e->head->u.rank) {
merge_oneway(e,prev);
other_edge(e);
}
/* else is an intra-cluster edge */
continue;
}
interclrep(g,e);
prev = e;
continue;
}
/* merge multi-edges */
if (prev && (e->tail == prev->tail) && (e->head == prev->head)) {
if (e->tail->u.rank == e->head->u.rank) {
merge_oneway(e,prev);
other_edge(e);
continue;
}
if ((e->u.label == NULL) && (prev->u.label == NULL) && ports_eq(e,prev)) {
if (Concentrate)
e->u.edge_type = IGNORED;
else{
merge_chain(g,e,prev->u.to_virt,TRUE);
other_edge(e);
}
continue;
}
/* parallel edges with different labels fall through here */
}
/* self edges */
if (e->tail == e->head) {
other_edge(e);
prev = e;
continue;
}
t = UF_find(e->tail);
h = UF_find(e->head);
/* non-leader leaf nodes */
if ((e->tail != t) || (e->head != h)) {
/* ### need to merge stuff */
continue;
}
/* flat edges */
if (e->tail->u.rank == e->head->u.rank) {
flat_edge(g,e);
prev = e;
continue;
}
/* forward edges */
if (e->head->u.rank > e->tail->u.rank) {
make_chain(g,e->tail,e->head,e);
prev = e;
continue;
}
/* backward edges */
else {
/*other_edge(e);*/
if ((opp = agfindedge(g,e->head,e->tail))) {
/* shadows a forward edge */
if (opp->u.to_virt == NULL)
make_chain(g,opp->tail,opp->head,opp);
if ((e->u.label == NULL) && (opp->u.label == NULL) && ports_eq(e,opp)) {
if (Concentrate) {
e->u.edge_type = IGNORED;
opp->u.conc_opp_flag = TRUE;
}
else{ /* see above. this is getting out of hand */
other_edge(e);
merge_chain(g,e,opp->u.to_virt,TRUE);
}
continue;
}
}
make_chain(g,e->head,e->tail,e);
prev = e;
}
}
}
/* since decompose() is not called on subgraphs */
if (g != g->root) {
g->u.comp.list = ALLOC(1,g->u.comp.list,node_t*);
g->u.comp.list[0] = g->u.nlist;
}
DTerr ImporterGeometryTWM::import(GeometryResource *target, std::string args)
{
FilePath pathname(target->path());
// open the file
BinaryFileStream file;
FileManager::open(file, pathname, true);
//
// Read_ in header
//
DTuint magic;
file >> magic;
if (magic != MAGIC) {
return DT3_ERR_FILE_WRONG_TYPE;
}
DTuint version;
file >> version;
//
// Read_ in data
//
_normals_count = 0;
_uv_set_0_count = 0;
_uv_set_1_count = 0;
_weights_count = 0;
DTint section,size;
file >> section >> size;
switch(section) {
case FILE: read_file(file, size); break;
default: WARNINGMSG("Invalid section"); break;
};
//
// Build Streams
//
// Calculate sizes needed
DTuint joints_size = 0;
for (DTuint i = 0; i < _meshes.size(); ++i) {
joints_size += _meshes[i]._joint_names.size();
}
// allocate joint names, force first one to always be identity
std::vector<std::string> joint_names;
joint_names.resize(joints_size);
DTuint joint_offset = 0; // Account for identity above
for (DTuint i = 0; i < _meshes.size(); ++i) {
MeshData &meshdata = _meshes[i];
if (meshdata._vertices.size() == 0)
continue;
std::shared_ptr<Mesh> mesh = Mesh::create();
// copy joint names
for (DTuint j = 0; j < meshdata._joint_names.size(); ++j) {
joint_names[joint_offset + j] = meshdata._joint_names[j];
}
std::vector<Vector3> vertex_stream;
std::vector<Vector3> normals_stream;
std::vector<Vector2> uvs_stream_0;
std::vector<Vector2> uvs_stream_1;
std::vector<Vector4> weights_strength;
std::vector<WeightsIndex> weights_index;
std::vector<Triangle> indices;
vertex_stream = meshdata._vertices;
normals_stream = meshdata._normals;
uvs_stream_0 = meshdata._uv_sets[0]._uvs;
uvs_stream_1 = meshdata._uv_sets[1]._uvs;
indices = meshdata._indices;
if (meshdata._weights.size()) {
weights_index.resize(meshdata._weights.size());
weights_strength.resize(meshdata._weights.size());
for (DTuint j = 0; j < meshdata._weights.size(); ++j) {
weights_strength[j] = Vector4( meshdata._weights[j].weight_1(),
meshdata._weights[j].weight_2(),
meshdata._weights[j].weight_3(),
meshdata._weights[j].weight_4() );
weights_index[j] = WeightsIndex( meshdata._weights[j].bone_1(),
meshdata._weights[j].bone_2(),
meshdata._weights[j].bone_3(),
meshdata._weights[j].bone_4() );
}
}
mesh->set_vertex_stream(vertex_stream);
mesh->set_normals_stream(normals_stream);
mesh->set_uv_stream0(uvs_stream_0);
mesh->set_uv_stream1(uvs_stream_1);
mesh->set_index_stream(indices);
mesh->set_weights_index_stream(weights_index);
mesh->set_weights_strength_stream(weights_strength);
// Some stuff we can generate
if (normals_stream.size() == 0) mesh->generate_normals();
if (uvs_stream_0.size() != 0) mesh->generate_tangents();
// Add the mesh
target->add_mesh(mesh);
joint_offset += (DTushort) meshdata._joint_names.size();
}
// Build skeleton
std::vector<SkeletonJoint> s;
build_skeleton(joint_names, _skeleton._joints, s);
Skeleton skeleton;
skeleton.set_skeleton(s);
target->set_skeleton(skeleton);
return DT3_ERR_NONE;
}