bool Mesh::_get(const StringName& p_name,Variant &r_ret) const {
String sname=p_name;
if (p_name=="morph_target/names") {
DVector<String> sk;
for(int i=0;i<morph_targets.size();i++)
sk.push_back(morph_targets[i]);
r_ret=sk;
return true;
} else if (p_name=="morph_target/mode") {
r_ret = get_morph_target_mode();
return true;
} else if (sname.begins_with("surface_")) {
int sl=sname.find("/");
if (sl==-1)
return false;
int idx=sname.substr(8,sl-8).to_int()-1;
String what = sname.get_slice("/",1);
if (what=="material")
r_ret=surface_get_material(idx);
else if (what=="name")
r_ret=surface_get_name(idx);
return true;
} else if (sname=="custom_aabb/custom_aabb") {
r_ret=custom_aabb;
return true;
} else if (!sname.begins_with("surfaces"))
return false;
int idx=sname.get_slice("/",1).to_int();
ERR_FAIL_INDEX_V(idx,surfaces.size(),false);
Dictionary d;
d["primitive"]=surface_get_primitive_type(idx);
d["arrays"]=surface_get_arrays(idx);
d["morph_arrays"]=surface_get_morph_arrays(idx);
d["alphasort"]=surface_is_alpha_sorting_enabled(idx);
Ref<Material> m = surface_get_material(idx);
if (m.is_valid())
d["material"]=m;
String n = surface_get_name(idx);
if (n!="")
d["name"]=n;
r_ret=d;
return true;
}
Ref<Shape> Mesh::create_convex_shape() const {
PoolVector<Vector3> vertices;
for (int i = 0; i < get_surface_count(); i++) {
Array a = surface_get_arrays(i);
PoolVector<Vector3> v = a[ARRAY_VERTEX];
vertices.append_array(v);
}
Ref<ConvexPolygonShape> shape = memnew(ConvexPolygonShape);
shape->set_points(vertices);
return shape;
}
Ref<TriangleMesh> Mesh::generate_triangle_mesh() const {
if (triangle_mesh.is_valid())
return triangle_mesh;
int facecount = 0;
for (int i = 0; i < get_surface_count(); i++) {
if (surface_get_primitive_type(i) != PRIMITIVE_TRIANGLES)
continue;
if (surface_get_format(i) & ARRAY_FORMAT_INDEX) {
facecount += surface_get_array_index_len(i);
} else {
facecount += surface_get_array_len(i);
}
}
if (facecount == 0 || (facecount % 3) != 0)
return triangle_mesh;
PoolVector<Vector3> faces;
faces.resize(facecount);
PoolVector<Vector3>::Write facesw = faces.write();
int widx = 0;
for (int i = 0; i < get_surface_count(); i++) {
if (surface_get_primitive_type(i) != PRIMITIVE_TRIANGLES)
continue;
Array a = surface_get_arrays(i);
int vc = surface_get_array_len(i);
PoolVector<Vector3> vertices = a[ARRAY_VERTEX];
PoolVector<Vector3>::Read vr = vertices.read();
if (surface_get_format(i) & ARRAY_FORMAT_INDEX) {
int ic = surface_get_array_index_len(i);
PoolVector<int> indices = a[ARRAY_INDEX];
PoolVector<int>::Read ir = indices.read();
for (int i = 0; i < ic; i++) {
int index = ir[i];
facesw[widx++] = vr[index];
}
} else {
for (int i = 0; i < vc; i++)
facesw[widx++] = vr[i];
}
}
facesw = PoolVector<Vector3>::Write();
triangle_mesh = Ref<TriangleMesh>(memnew(TriangleMesh));
triangle_mesh->create(faces);
return triangle_mesh;
}
Ref<Mesh> Mesh::create_outline(float p_margin) const {
Array arrays;
int index_accum = 0;
for (int i = 0; i < get_surface_count(); i++) {
if (surface_get_primitive_type(i) != PRIMITIVE_TRIANGLES)
continue;
Array a = surface_get_arrays(i);
if (i == 0) {
arrays = a;
PoolVector<Vector3> v = a[ARRAY_VERTEX];
index_accum += v.size();
} else {
int vcount = 0;
for (int j = 0; j < arrays.size(); j++) {
if (arrays[j].get_type() == Variant::NIL || a[j].get_type() == Variant::NIL) {
//mismatch, do not use
arrays[j] = Variant();
continue;
}
switch (j) {
case ARRAY_VERTEX:
case ARRAY_NORMAL: {
PoolVector<Vector3> dst = arrays[j];
PoolVector<Vector3> src = a[j];
if (j == ARRAY_VERTEX)
vcount = src.size();
if (dst.size() == 0 || src.size() == 0) {
arrays[j] = Variant();
continue;
}
dst.append_array(src);
arrays[j] = dst;
} break;
case ARRAY_TANGENT:
case ARRAY_BONES:
case ARRAY_WEIGHTS: {
PoolVector<real_t> dst = arrays[j];
PoolVector<real_t> src = a[j];
if (dst.size() == 0 || src.size() == 0) {
arrays[j] = Variant();
continue;
}
dst.append_array(src);
arrays[j] = dst;
} break;
case ARRAY_COLOR: {
PoolVector<Color> dst = arrays[j];
PoolVector<Color> src = a[j];
if (dst.size() == 0 || src.size() == 0) {
arrays[j] = Variant();
continue;
}
dst.append_array(src);
arrays[j] = dst;
} break;
case ARRAY_TEX_UV:
case ARRAY_TEX_UV2: {
PoolVector<Vector2> dst = arrays[j];
PoolVector<Vector2> src = a[j];
if (dst.size() == 0 || src.size() == 0) {
arrays[j] = Variant();
continue;
}
dst.append_array(src);
arrays[j] = dst;
} break;
case ARRAY_INDEX: {
PoolVector<int> dst = arrays[j];
PoolVector<int> src = a[j];
if (dst.size() == 0 || src.size() == 0) {
arrays[j] = Variant();
continue;
}
{
int ss = src.size();
PoolVector<int>::Write w = src.write();
for (int k = 0; k < ss; k++) {
w[k] += index_accum;
}
}
dst.append_array(src);
arrays[j] = dst;
index_accum += vcount;
} break;
}
}
}
}
ERR_FAIL_COND_V(arrays.size() != ARRAY_MAX, Ref<ArrayMesh>());
{
PoolVector<int>::Write ir;
PoolVector<int> indices = arrays[ARRAY_INDEX];
bool has_indices = false;
PoolVector<Vector3> vertices = arrays[ARRAY_VERTEX];
int vc = vertices.size();
ERR_FAIL_COND_V(!vc, Ref<ArrayMesh>());
PoolVector<Vector3>::Write r = vertices.write();
if (indices.size()) {
vc = indices.size();
ir = indices.write();
has_indices = true;
}
Map<Vector3, Vector3> normal_accum;
//fill normals with triangle normals
for (int i = 0; i < vc; i += 3) {
Vector3 t[3];
if (has_indices) {
t[0] = r[ir[i + 0]];
t[1] = r[ir[i + 1]];
t[2] = r[ir[i + 2]];
} else {
t[0] = r[i + 0];
t[1] = r[i + 1];
t[2] = r[i + 2];
}
Vector3 n = Plane(t[0], t[1], t[2]).normal;
for (int j = 0; j < 3; j++) {
Map<Vector3, Vector3>::Element *E = normal_accum.find(t[j]);
if (!E) {
normal_accum[t[j]] = n;
} else {
float d = n.dot(E->get());
if (d < 1.0)
E->get() += n * (1.0 - d);
//E->get()+=n;
}
}
}
//normalize
for (Map<Vector3, Vector3>::Element *E = normal_accum.front(); E; E = E->next()) {
E->get().normalize();
}
//displace normals
int vc2 = vertices.size();
for (int i = 0; i < vc2; i++) {
Vector3 t = r[i];
Map<Vector3, Vector3>::Element *E = normal_accum.find(t);
ERR_CONTINUE(!E);
t += E->get() * p_margin;
r[i] = t;
}
r = PoolVector<Vector3>::Write();
arrays[ARRAY_VERTEX] = vertices;
if (!has_indices) {
PoolVector<int> new_indices;
new_indices.resize(vertices.size());
PoolVector<int>::Write iw = new_indices.write();
for (int j = 0; j < vc2; j += 3) {
iw[j] = j;
iw[j + 1] = j + 2;
iw[j + 2] = j + 1;
}
iw = PoolVector<int>::Write();
arrays[ARRAY_INDEX] = new_indices;
} else {
for (int j = 0; j < vc; j += 3) {
SWAP(ir[j + 1], ir[j + 2]);
}
ir = PoolVector<int>::Write();
arrays[ARRAY_INDEX] = indices;
}
}
Ref<ArrayMesh> newmesh = memnew(ArrayMesh);
newmesh->add_surface_from_arrays(PRIMITIVE_TRIANGLES, arrays);
return newmesh;
}
Error ArrayMesh::lightmap_unwrap(const Transform &p_base_transform, float p_texel_size) {
ERR_FAIL_COND_V(!array_mesh_lightmap_unwrap_callback, ERR_UNCONFIGURED);
ERR_EXPLAIN("Can't unwrap mesh with blend shapes");
ERR_FAIL_COND_V(blend_shapes.size() != 0, ERR_UNAVAILABLE);
Vector<float> vertices;
Vector<float> normals;
Vector<int> indices;
Vector<int> face_materials;
Vector<float> uv;
Vector<Pair<int, int> > uv_index;
Vector<ArrayMeshLightmapSurface> surfaces;
for (int i = 0; i < get_surface_count(); i++) {
ArrayMeshLightmapSurface s;
s.primitive = surface_get_primitive_type(i);
if (s.primitive != Mesh::PRIMITIVE_TRIANGLES) {
ERR_EXPLAIN("Only triangles are supported for lightmap unwrap");
ERR_FAIL_V(ERR_UNAVAILABLE);
}
s.format = surface_get_format(i);
if (!(s.format & ARRAY_FORMAT_NORMAL)) {
ERR_EXPLAIN("Normals are required for lightmap unwrap");
ERR_FAIL_V(ERR_UNAVAILABLE);
}
Array arrays = surface_get_arrays(i);
s.material = surface_get_material(i);
s.vertices = SurfaceTool::create_vertex_array_from_triangle_arrays(arrays);
PoolVector<Vector3> rvertices = arrays[Mesh::ARRAY_VERTEX];
int vc = rvertices.size();
PoolVector<Vector3>::Read r = rvertices.read();
PoolVector<Vector3> rnormals = arrays[Mesh::ARRAY_NORMAL];
PoolVector<Vector3>::Read rn = rnormals.read();
int vertex_ofs = vertices.size() / 3;
vertices.resize((vertex_ofs + vc) * 3);
normals.resize((vertex_ofs + vc) * 3);
uv_index.resize(vertex_ofs + vc);
for (int j = 0; j < vc; j++) {
Vector3 v = p_base_transform.xform(r[j]);
Vector3 n = p_base_transform.basis.xform(rn[j]).normalized();
vertices[(j + vertex_ofs) * 3 + 0] = v.x;
vertices[(j + vertex_ofs) * 3 + 1] = v.y;
vertices[(j + vertex_ofs) * 3 + 2] = v.z;
normals[(j + vertex_ofs) * 3 + 0] = n.x;
normals[(j + vertex_ofs) * 3 + 1] = n.y;
normals[(j + vertex_ofs) * 3 + 2] = n.z;
uv_index[j + vertex_ofs] = Pair<int, int>(i, j);
}
PoolVector<int> rindices = arrays[Mesh::ARRAY_INDEX];
int ic = rindices.size();
if (ic == 0) {
for (int j = 0; j < vc / 3; j++) {
if (Face3(r[j * 3 + 0], r[j * 3 + 1], r[j * 3 + 2]).is_degenerate())
continue;
indices.push_back(vertex_ofs + j * 3 + 0);
indices.push_back(vertex_ofs + j * 3 + 1);
indices.push_back(vertex_ofs + j * 3 + 2);
face_materials.push_back(i);
}
} else {
PoolVector<int>::Read ri = rindices.read();
for (int j = 0; j < ic / 3; j++) {
if (Face3(r[ri[j * 3 + 0]], r[ri[j * 3 + 1]], r[ri[j * 3 + 2]]).is_degenerate())
continue;
indices.push_back(vertex_ofs + ri[j * 3 + 0]);
indices.push_back(vertex_ofs + ri[j * 3 + 1]);
indices.push_back(vertex_ofs + ri[j * 3 + 2]);
face_materials.push_back(i);
}
}
surfaces.push_back(s);
}
//unwrap
float *gen_uvs;
int *gen_vertices;
int *gen_indices;
int gen_vertex_count;
int gen_index_count;
int size_x;
int size_y;
bool ok = array_mesh_lightmap_unwrap_callback(p_texel_size, vertices.ptr(), normals.ptr(), vertices.size() / 3, indices.ptr(), face_materials.ptr(), indices.size(), &gen_uvs, &gen_vertices, &gen_vertex_count, &gen_indices, &gen_index_count, &size_x, &size_y);
if (!ok) {
return ERR_CANT_CREATE;
}
//remove surfaces
while (get_surface_count()) {
surface_remove(0);
}
//create surfacetools for each surface..
Vector<Ref<SurfaceTool> > surfaces_tools;
for (int i = 0; i < surfaces.size(); i++) {
Ref<SurfaceTool> st;
st.instance();
st->begin(Mesh::PRIMITIVE_TRIANGLES);
st->set_material(surfaces[i].material);
surfaces_tools.push_back(st); //stay there
}
print_line("gen indices: " + itos(gen_index_count));
//go through all indices
for (int i = 0; i < gen_index_count; i += 3) {
ERR_FAIL_INDEX_V(gen_vertices[gen_indices[i + 0]], uv_index.size(), ERR_BUG);
ERR_FAIL_INDEX_V(gen_vertices[gen_indices[i + 1]], uv_index.size(), ERR_BUG);
ERR_FAIL_INDEX_V(gen_vertices[gen_indices[i + 2]], uv_index.size(), ERR_BUG);
ERR_FAIL_COND_V(uv_index[gen_vertices[gen_indices[i + 0]]].first != uv_index[gen_vertices[gen_indices[i + 1]]].first || uv_index[gen_vertices[gen_indices[i + 0]]].first != uv_index[gen_vertices[gen_indices[i + 2]]].first, ERR_BUG);
int surface = uv_index[gen_vertices[gen_indices[i + 0]]].first;
for (int j = 0; j < 3; j++) {
SurfaceTool::Vertex v = surfaces[surface].vertices[uv_index[gen_vertices[gen_indices[i + j]]].second];
if (surfaces[surface].format & ARRAY_FORMAT_COLOR) {
surfaces_tools[surface]->add_color(v.color);
}
if (surfaces[surface].format & ARRAY_FORMAT_TEX_UV) {
surfaces_tools[surface]->add_uv(v.uv);
}
if (surfaces[surface].format & ARRAY_FORMAT_NORMAL) {
surfaces_tools[surface]->add_normal(v.normal);
}
if (surfaces[surface].format & ARRAY_FORMAT_TANGENT) {
Plane t;
t.normal = v.tangent;
t.d = v.binormal.dot(v.normal.cross(v.tangent)) < 0 ? -1 : 1;
surfaces_tools[surface]->add_tangent(t);
}
if (surfaces[surface].format & ARRAY_FORMAT_BONES) {
surfaces_tools[surface]->add_bones(v.bones);
}
if (surfaces[surface].format & ARRAY_FORMAT_WEIGHTS) {
surfaces_tools[surface]->add_weights(v.weights);
}
Vector2 uv2(gen_uvs[gen_indices[i + j] * 2 + 0], gen_uvs[gen_indices[i + j] * 2 + 1]);
surfaces_tools[surface]->add_uv2(uv2);
surfaces_tools[surface]->add_vertex(v.vertex);
}
}
//free stuff
::free(gen_vertices);
::free(gen_indices);
::free(gen_uvs);
//generate surfaces
for (int i = 0; i < surfaces_tools.size(); i++) {
surfaces_tools[i]->index();
surfaces_tools[i]->commit(Ref<ArrayMesh>((ArrayMesh *)this), surfaces[i].format);
}
set_lightmap_size_hint(Size2(size_x, size_y));
return OK;
}
Array PrimitiveMesh::get_mesh_arrays() const {
return surface_get_arrays(0);
}
