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godot/scene/resources/mesh.cpp
Juan Linietsky 118eed485e ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant. 
All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()
2017-01-02 23:03:46 -03:00

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/*************************************************************************/
/* mesh.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "mesh.h"
#include "scene/resources/concave_polygon_shape.h"
#include "scene/resources/convex_polygon_shape.h"
#include "surface_tool.h"
static const char* _array_name[]={
"vertex_array",
"normal_array",
"tangent_array",
"color_array",
"tex_uv_array",
"tex_uv2_array",
"bone_array",
"weights_array",
"index_array",
NULL
};
static const Mesh::ArrayType _array_types[]={
Mesh::ARRAY_VERTEX,
Mesh::ARRAY_NORMAL,
Mesh::ARRAY_TANGENT,
Mesh::ARRAY_COLOR,
Mesh::ARRAY_TEX_UV,
Mesh::ARRAY_TEX_UV2,
Mesh::ARRAY_BONES,
Mesh::ARRAY_WEIGHTS,
Mesh::ARRAY_INDEX
};
/* compatibility */
static const int _format_translate[]={
Mesh::ARRAY_FORMAT_VERTEX,
Mesh::ARRAY_FORMAT_NORMAL,
Mesh::ARRAY_FORMAT_TANGENT,
Mesh::ARRAY_FORMAT_COLOR,
Mesh::ARRAY_FORMAT_TEX_UV,
Mesh::ARRAY_FORMAT_TEX_UV2,
Mesh::ARRAY_FORMAT_BONES,
Mesh::ARRAY_FORMAT_WEIGHTS,
Mesh::ARRAY_FORMAT_INDEX,
};
bool Mesh::_set(const StringName& p_name, const Variant& p_value) {
String sname=p_name;
if (p_name=="morph_target/names") {
DVector<String> sk=p_value;
int sz = sk.size();
DVector<String>::Read r = sk.read();
for(int i=0;i<sz;i++)
add_morph_target(r[i]);
return true;
}
if (p_name=="morph_target/mode") {
set_morph_target_mode(MorphTargetMode(int(p_value)));
return true;
}
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_slicec('/',1);
if (what=="material")
surface_set_material(idx,p_value);
else if (what=="name")
surface_set_name(idx,p_value);
return true;
}
if (sname=="custom_aabb/custom_aabb") {
set_custom_aabb(p_value);
return true;
}
if (!sname.begins_with("surfaces"))
return false;
int idx=sname.get_slicec('/',1).to_int();
String what=sname.get_slicec('/',2);
if (idx==surfaces.size()) {
//create
Dictionary d=p_value;
ERR_FAIL_COND_V(!d.has("primitive"),false);
if (d.has("arrays")) {
//old format
ERR_FAIL_COND_V(!d.has("morph_arrays"),false);
add_surface_from_arrays(PrimitiveType(int(d["primitive"])),d["arrays"],d["morph_arrays"]);
} else if (d.has("array_data")) {
DVector<uint8_t> array_data = d["array_data"];
DVector<uint8_t> array_index_data;
if (d.has("array_index_data"))
array_index_data=d["array_index_data"];
ERR_FAIL_COND_V(!d.has("format"),false);
uint32_t format = d["format"];
ERR_FAIL_COND_V(!d.has("primitive"),false);
uint32_t primitive = d["primitive"];
ERR_FAIL_COND_V(!d.has("vertex_count"),false);
int vertex_count = d["vertex_count"];
int index_count=0;
if (d.has("index_count"))
index_count=d["index_count"];
Vector< DVector<uint8_t> > morphs;
if (d.has("morph_data")) {
Array morph_data=d["morph_data"];
for(int i=0;i<morph_data.size();i++) {
DVector<uint8_t> morph = morph_data[i];
morphs.push_back(morph_data[i]);
}
}
ERR_FAIL_COND_V(!d.has("aabb"),false);
AABB aabb = d["aabb"];
Vector<AABB> bone_aabb;
if (d.has("bone_aabb")) {
Array baabb = d["bone_aabb"];
bone_aabb.resize(baabb.size());
for(int i=0;i<baabb.size();i++) {
bone_aabb[i]=baabb[i];
}
}
add_surface(format,PrimitiveType(primitive),array_data,vertex_count,array_index_data,index_count,aabb,morphs,bone_aabb);
} else {
ERR_FAIL_V(false);
}
if (d.has("material")) {
surface_set_material(idx,d["material"]);
}
if (d.has("name")) {
surface_set_name(idx,d["name"]);
}
return true;
}
return false;
}
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_slicec('/',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_slicec('/',1).to_int();
ERR_FAIL_INDEX_V(idx,surfaces.size(),false);
Dictionary d;
d["array_data"]=VS::get_singleton()->mesh_surface_get_array(mesh,idx);
d["vertex_count"]=VS::get_singleton()->mesh_surface_get_array_len(mesh,idx);
d["array_index_data"]=VS::get_singleton()->mesh_surface_get_index_array(mesh,idx);
d["index_count"]=VS::get_singleton()->mesh_surface_get_array_index_len(mesh,idx);
d["primitive"]=VS::get_singleton()->mesh_surface_get_primitive_type(mesh,idx);
d["format"]=VS::get_singleton()->mesh_surface_get_format(mesh,idx);
d["aabb"]=VS::get_singleton()->mesh_surface_get_aabb(mesh,idx);
Vector<AABB> skel_aabb = VS::get_singleton()->mesh_surface_get_skeleton_aabb(mesh,idx);
Array arr;
for(int i=0;i<skel_aabb.size();i++) {
arr[i]=skel_aabb[i];
}
d["skeleton_aabb"]=arr;
Vector< DVector<uint8_t> > morph_data = VS::get_singleton()->mesh_surface_get_blend_shapes(mesh,idx);
Array md;
for(int i=0;i<morph_data.size();i++) {
md.push_back(morph_data[i]);
}
d["morph_data"]=md;
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;
}
void Mesh::_get_property_list( List<PropertyInfo> *p_list) const {
if (morph_targets.size()) {
p_list->push_back(PropertyInfo(Variant::STRING_ARRAY,"morph_target/names",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR));
p_list->push_back(PropertyInfo(Variant::INT,"morph_target/mode",PROPERTY_HINT_ENUM,"Normalized,Relative"));
}
for (int i=0;i<surfaces.size();i++) {
p_list->push_back( PropertyInfo( Variant::DICTIONARY,"surfaces/"+itos(i), PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR ) );
p_list->push_back( PropertyInfo( Variant::STRING,"surface_"+itos(i+1)+"/name", PROPERTY_HINT_NONE,"",PROPERTY_USAGE_EDITOR ) );
p_list->push_back( PropertyInfo( Variant::OBJECT,"surface_"+itos(i+1)+"/material", PROPERTY_HINT_RESOURCE_TYPE,"Material",PROPERTY_USAGE_EDITOR ) );
}
p_list->push_back( PropertyInfo( Variant::_AABB,"custom_aabb/custom_aabb" ) );
}
void Mesh::_recompute_aabb() {
// regenerate AABB
aabb=AABB();
for (int i=0;i<surfaces.size();i++) {
if (i==0)
aabb=surfaces[i].aabb;
else
aabb.merge_with(surfaces[i].aabb);
}
}
void Mesh::add_surface(uint32_t p_format,PrimitiveType p_primitive,const DVector<uint8_t>& p_array,int p_vertex_count,const DVector<uint8_t>& p_index_array,int p_index_count,const AABB& p_aabb,const Vector<DVector<uint8_t> >& p_blend_shapes,const Vector<AABB>& p_bone_aabbs) {
Surface s;
s.aabb=p_aabb;
surfaces.push_back(s);
VisualServer::get_singleton()->mesh_add_surface(mesh,p_format,(VS::PrimitiveType)p_primitive,p_array,p_vertex_count,p_index_array,p_index_count,p_aabb,p_blend_shapes,p_bone_aabbs);
}
void Mesh::add_surface_from_arrays(PrimitiveType p_primitive,const Array& p_arrays,const Array& p_blend_shapes,uint32_t p_flags) {
ERR_FAIL_COND(p_arrays.size()!=ARRAY_MAX);
Surface s;
VisualServer::get_singleton()->mesh_add_surface_from_arrays(mesh,(VisualServer::PrimitiveType)p_primitive, p_arrays,p_blend_shapes,p_flags);
surfaces.push_back(s);
/* make aABB? */ {
DVector<Vector3> vertices=p_arrays[ARRAY_VERTEX];
int len=vertices.size();
ERR_FAIL_COND(len==0);
DVector<Vector3>::Read r=vertices.read();
const Vector3 *vtx=r.ptr();
// check AABB
AABB aabb;
for (int i=0;i<len;i++) {
if (i==0)
aabb.pos=vtx[i];
else
aabb.expand_to(vtx[i]);
}
surfaces[surfaces.size()-1].aabb=aabb;
_recompute_aabb();
}
triangle_mesh=Ref<TriangleMesh>();
_change_notify();
emit_changed();
}
Array Mesh::surface_get_arrays(int p_surface) const {
ERR_FAIL_INDEX_V(p_surface,surfaces.size(),Array());
return VisualServer::get_singleton()->mesh_surface_get_arrays(mesh,p_surface);
}
Array Mesh::surface_get_morph_arrays(int p_surface) const {
ERR_FAIL_INDEX_V(p_surface,surfaces.size(),Array());
return Array();
}
int Mesh::get_surface_count() const {
return surfaces.size();
}
void Mesh::add_morph_target(const StringName& p_name) {
if (surfaces.size()) {
ERR_EXPLAIN("Can't add a shape key count if surfaces are already created.");
ERR_FAIL_COND(surfaces.size());
}
StringName name=p_name;
if (morph_targets.find(name)!=-1 ) {
int count=2;
do {
name = String(p_name) + " " + itos(count);
count++;
} while(morph_targets.find(name)!=-1);
}
morph_targets.push_back(name);
VS::get_singleton()->mesh_set_morph_target_count(mesh,morph_targets.size());
}
int Mesh::get_morph_target_count() const {
return morph_targets.size();
}
StringName Mesh::get_morph_target_name(int p_index) const {
ERR_FAIL_INDEX_V( p_index, morph_targets.size(),StringName() );
return morph_targets[p_index];
}
void Mesh::clear_morph_targets() {
if (surfaces.size()) {
ERR_EXPLAIN("Can't set shape key count if surfaces are already created.");
ERR_FAIL_COND(surfaces.size());
}
morph_targets.clear();
}
void Mesh::set_morph_target_mode(MorphTargetMode p_mode) {
morph_target_mode=p_mode;
VS::get_singleton()->mesh_set_morph_target_mode(mesh,(VS::MorphTargetMode)p_mode);
}
Mesh::MorphTargetMode Mesh::get_morph_target_mode() const {
return morph_target_mode;
}
void Mesh::surface_remove(int p_idx) {
ERR_FAIL_INDEX(p_idx, surfaces.size() );
VisualServer::get_singleton()->mesh_remove_surface(mesh,p_idx);
surfaces.remove(p_idx);
triangle_mesh=Ref<TriangleMesh>();
_recompute_aabb();
_change_notify();
emit_changed();
}
int Mesh::surface_get_array_len(int p_idx) const {
ERR_FAIL_INDEX_V( p_idx, surfaces.size(), -1 );
return VisualServer::get_singleton()->mesh_surface_get_array_len( mesh, p_idx );
}
int Mesh::surface_get_array_index_len(int p_idx) const {
ERR_FAIL_INDEX_V( p_idx, surfaces.size(), -1 );
return VisualServer::get_singleton()->mesh_surface_get_array_index_len( mesh, p_idx );
}
uint32_t Mesh::surface_get_format(int p_idx) const {
ERR_FAIL_INDEX_V( p_idx, surfaces.size(), 0 );
return VisualServer::get_singleton()->mesh_surface_get_format( mesh, p_idx );
}
Mesh::PrimitiveType Mesh::surface_get_primitive_type(int p_idx) const {
ERR_FAIL_INDEX_V( p_idx, surfaces.size(), PRIMITIVE_LINES );
return (PrimitiveType)VisualServer::get_singleton()->mesh_surface_get_primitive_type( mesh, p_idx );
}
void Mesh::surface_set_material(int p_idx, const Ref<Material>& p_material) {
ERR_FAIL_INDEX( p_idx, surfaces.size() );
if (surfaces[p_idx].material==p_material)
return;
surfaces[p_idx].material=p_material;
VisualServer::get_singleton()->mesh_surface_set_material(mesh, p_idx, p_material.is_null()?RID():p_material->get_rid());
_change_notify("material");
}
void Mesh::surface_set_name(int p_idx, const String& p_name) {
ERR_FAIL_INDEX( p_idx, surfaces.size() );
surfaces[p_idx].name=p_name;
}
String Mesh::surface_get_name(int p_idx) const{
ERR_FAIL_INDEX_V( p_idx, surfaces.size(),String() );
return surfaces[p_idx].name;
}
void Mesh::surface_set_custom_aabb(int p_idx,const AABB& p_aabb) {
ERR_FAIL_INDEX( p_idx, surfaces.size() );
surfaces[p_idx].aabb=p_aabb;
// set custom aabb too?
}
Ref<Material> Mesh::surface_get_material(int p_idx) const {
ERR_FAIL_INDEX_V( p_idx, surfaces.size(), Ref<Material>() );
return surfaces[p_idx].material;
}
void Mesh::add_surface_from_mesh_data(const Geometry::MeshData& p_mesh_data) {
VisualServer::get_singleton()->mesh_add_surface_from_mesh_data( mesh, p_mesh_data );
AABB aabb;
for (int i=0;i<p_mesh_data.vertices.size();i++) {
if (i==0)
aabb.pos=p_mesh_data.vertices[i];
else
aabb.expand_to(p_mesh_data.vertices[i]);
}
Surface s;
s.aabb=aabb;
if (surfaces.size()==0)
aabb=s.aabb;
else
aabb.merge_with(s.aabb);
triangle_mesh=Ref<TriangleMesh>();
surfaces.push_back(s);
_change_notify();
emit_changed();
}
RID Mesh::get_rid() const {
return mesh;
}
AABB Mesh::get_aabb() const {
return aabb;
}
void Mesh::set_custom_aabb(const AABB& p_custom) {
custom_aabb=p_custom;
VS::get_singleton()->mesh_set_custom_aabb(mesh,custom_aabb);
}
AABB Mesh::get_custom_aabb() const {
return custom_aabb;
}
DVector<Face3> Mesh::get_faces() const {
Ref<TriangleMesh> tm = generate_triangle_mesh();
if (tm.is_valid())
return tm->get_faces();
return DVector<Face3>();
/*
for (int i=0;i<surfaces.size();i++) {
if (VisualServer::get_singleton()->mesh_surface_get_primitive_type( mesh, i ) != VisualServer::PRIMITIVE_TRIANGLES )
continue;
DVector<int> indices;
DVector<Vector3> vertices;
vertices=VisualServer::get_singleton()->mesh_surface_get_array(mesh, i,VisualServer::ARRAY_VERTEX);
int len=VisualServer::get_singleton()->mesh_surface_get_array_index_len(mesh, i);
bool has_indices;
if (len>0) {
indices=VisualServer::get_singleton()->mesh_surface_get_array(mesh, i,VisualServer::ARRAY_INDEX);
has_indices=true;
} else {
len=vertices.size();
has_indices=false;
}
if (len<=0)
continue;
DVector<int>::Read indicesr = indices.read();
const int *indicesptr = indicesr.ptr();
DVector<Vector3>::Read verticesr = vertices.read();
const Vector3 *verticesptr = verticesr.ptr();
int old_faces=faces.size();
int new_faces=old_faces+(len/3);
faces.resize(new_faces);
DVector<Face3>::Write facesw = faces.write();
Face3 *facesptr=facesw.ptr();
for (int i=0;i<len/3;i++) {
Face3 face;
for (int j=0;j<3;j++) {
int idx=i*3+j;
face.vertex[j] = has_indices ? verticesptr[ indicesptr[ idx ] ] : verticesptr[idx];
}
facesptr[i+old_faces]=face;
}
}
*/
}
Ref<Shape> Mesh::create_convex_shape() const {
DVector<Vector3> vertices;
for(int i=0;i<get_surface_count();i++) {
Array a = surface_get_arrays(i);
DVector<Vector3> v=a[ARRAY_VERTEX];
vertices.append_array(v);
}
Ref<ConvexPolygonShape> shape = memnew( ConvexPolygonShape );
shape->set_points(vertices);
return shape;
}
Ref<Shape> Mesh::create_trimesh_shape() const {
DVector<Face3> faces = get_faces();
if (faces.size()==0)
return Ref<Shape>();
DVector<Vector3> face_points;
face_points.resize( faces.size()*3 );
for (int i=0;i<face_points.size();i++) {
Face3 f = faces.get( i/3 );
face_points.set(i, f.vertex[i%3] );
}
Ref<ConcavePolygonShape> shape = memnew( ConcavePolygonShape );
shape->set_faces(face_points);
return shape;
}
void Mesh::center_geometry() {
/*
Vector3 ofs = aabb.pos+aabb.size*0.5;
for(int i=0;i<get_surface_count();i++) {
DVector<Vector3> geom = surface_get_array(i,ARRAY_VERTEX);
int gc =geom.size();
DVector<Vector3>::Write w = geom.write();
surfaces[i].aabb.pos-=ofs;
for(int i=0;i<gc;i++) {
w[i]-=ofs;
}
w = DVector<Vector3>::Write();
surface_set_array(i,ARRAY_VERTEX,geom);
}
aabb.pos-=ofs;
*/
}
void Mesh::regen_normalmaps() {
Vector< Ref<SurfaceTool> > surfs;
for(int i=0;i<get_surface_count();i++) {
Ref<SurfaceTool> st = memnew( SurfaceTool );
st->create_from(Ref<Mesh>(this),i);
surfs.push_back(st);
}
while (get_surface_count()) {
surface_remove(0);
}
for(int i=0;i<surfs.size();i++) {
surfs[i]->generate_tangents();
surfs[i]->commit(Ref<Mesh>(this));
}
}
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;
DVector<Vector3> faces;
faces.resize(facecount);
DVector<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);
DVector<Vector3> vertices = a[ARRAY_VERTEX];
DVector<Vector3>::Read vr=vertices.read();
if (surface_get_format(i)&ARRAY_FORMAT_INDEX) {
int ic=surface_get_array_index_len(i);
DVector<int> indices = a[ARRAY_INDEX];
DVector<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=DVector<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);
int vcount=0;
if (i==0) {
arrays=a;
DVector<Vector3> v=a[ARRAY_VERTEX];
index_accum+=v.size();
} else {
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: {
DVector<Vector3> dst = arrays[j];
DVector<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: {
DVector<real_t> dst = arrays[j];
DVector<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: {
DVector<Color> dst = arrays[j];
DVector<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: {
DVector<Vector2> dst = arrays[j];
DVector<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: {
DVector<int> dst = arrays[j];
DVector<int> src = a[j];
if (dst.size()==0 || src.size()==0) {
arrays[j]=Variant();
continue;
}
{
int ss = src.size();
DVector<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;
}
}
}
}
{
DVector<int>::Write ir;
DVector<int> indices =arrays[ARRAY_INDEX];
bool has_indices=false;
DVector<Vector3> vertices =arrays[ARRAY_VERTEX];
int vc = vertices.size();
ERR_FAIL_COND_V(!vc,Ref<Mesh>());
DVector<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 = DVector<Vector3>::Write();
arrays[ARRAY_VERTEX]=vertices;
if (!has_indices) {
DVector<int> new_indices;
new_indices.resize(vertices.size());
DVector<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=DVector<int>::Write();
arrays[ARRAY_INDEX]=new_indices;
} else {
for(int j=0;j<vc;j+=3) {
SWAP(ir[j+1],ir[j+2]);
}
ir=DVector<int>::Write();
arrays[ARRAY_INDEX]=indices;
}
}
Ref<Mesh> newmesh = memnew( Mesh );
newmesh->add_surface_from_arrays(PRIMITIVE_TRIANGLES,arrays);
return newmesh;
}
void Mesh::_bind_methods() {
ClassDB::bind_method(_MD("add_morph_target","name"),&Mesh::add_morph_target);
ClassDB::bind_method(_MD("get_morph_target_count"),&Mesh::get_morph_target_count);
ClassDB::bind_method(_MD("get_morph_target_name","index"),&Mesh::get_morph_target_name);
ClassDB::bind_method(_MD("clear_morph_targets"),&Mesh::clear_morph_targets);
ClassDB::bind_method(_MD("set_morph_target_mode","mode"),&Mesh::set_morph_target_mode);
ClassDB::bind_method(_MD("get_morph_target_mode"),&Mesh::get_morph_target_mode);
ClassDB::bind_method(_MD("add_surface_from_arrays","primitive","arrays","blend_shapes","compress_flags"),&Mesh::add_surface_from_arrays,DEFVAL(Array()),DEFVAL(ARRAY_COMPRESS_DEFAULT));
ClassDB::bind_method(_MD("get_surface_count"),&Mesh::get_surface_count);
ClassDB::bind_method(_MD("surface_remove","surf_idx"),&Mesh::surface_remove);
ClassDB::bind_method(_MD("surface_get_array_len","surf_idx"),&Mesh::surface_get_array_len);
ClassDB::bind_method(_MD("surface_get_array_index_len","surf_idx"),&Mesh::surface_get_array_index_len);
ClassDB::bind_method(_MD("surface_get_format","surf_idx"),&Mesh::surface_get_format);
ClassDB::bind_method(_MD("surface_get_primitive_type","surf_idx"),&Mesh::surface_get_primitive_type);
ClassDB::bind_method(_MD("surface_set_material","surf_idx","material:Material"),&Mesh::surface_set_material);
ClassDB::bind_method(_MD("surface_get_material:Material","surf_idx"),&Mesh::surface_get_material);
ClassDB::bind_method(_MD("surface_set_name","surf_idx","name"),&Mesh::surface_set_name);
ClassDB::bind_method(_MD("surface_get_name","surf_idx"),&Mesh::surface_get_name);
ClassDB::bind_method(_MD("center_geometry"),&Mesh::center_geometry);
ClassDB::set_method_flags(get_class_static(),_SCS("center_geometry"),METHOD_FLAGS_DEFAULT|METHOD_FLAG_EDITOR);
ClassDB::bind_method(_MD("regen_normalmaps"),&Mesh::regen_normalmaps);
ClassDB::set_method_flags(get_class_static(),_SCS("regen_normalmaps"),METHOD_FLAGS_DEFAULT|METHOD_FLAG_EDITOR);
ClassDB::bind_method(_MD("set_custom_aabb","aabb"),&Mesh::set_custom_aabb);
ClassDB::bind_method(_MD("get_custom_aabb"),&Mesh::get_custom_aabb);
BIND_CONSTANT( NO_INDEX_ARRAY );
BIND_CONSTANT( ARRAY_WEIGHTS_SIZE );
BIND_CONSTANT( ARRAY_VERTEX );
BIND_CONSTANT( ARRAY_NORMAL );
BIND_CONSTANT( ARRAY_TANGENT );
BIND_CONSTANT( ARRAY_COLOR );
BIND_CONSTANT( ARRAY_TEX_UV );
BIND_CONSTANT( ARRAY_TEX_UV2 );
BIND_CONSTANT( ARRAY_BONES );
BIND_CONSTANT( ARRAY_WEIGHTS );
BIND_CONSTANT( ARRAY_INDEX );
BIND_CONSTANT( ARRAY_FORMAT_VERTEX );
BIND_CONSTANT( ARRAY_FORMAT_NORMAL );
BIND_CONSTANT( ARRAY_FORMAT_TANGENT );
BIND_CONSTANT( ARRAY_FORMAT_COLOR );
BIND_CONSTANT( ARRAY_FORMAT_TEX_UV );
BIND_CONSTANT( ARRAY_FORMAT_TEX_UV2 );
BIND_CONSTANT( ARRAY_FORMAT_BONES );
BIND_CONSTANT( ARRAY_FORMAT_WEIGHTS );
BIND_CONSTANT( ARRAY_FORMAT_INDEX );
BIND_CONSTANT( PRIMITIVE_POINTS );
BIND_CONSTANT( PRIMITIVE_LINES );
BIND_CONSTANT( PRIMITIVE_LINE_STRIP );
BIND_CONSTANT( PRIMITIVE_LINE_LOOP );
BIND_CONSTANT( PRIMITIVE_TRIANGLES );
BIND_CONSTANT( PRIMITIVE_TRIANGLE_STRIP );
BIND_CONSTANT( PRIMITIVE_TRIANGLE_FAN );
}
Mesh::Mesh() {
mesh=VisualServer::get_singleton()->mesh_create();
morph_target_mode=MORPH_MODE_RELATIVE;
}
Mesh::~Mesh() {
VisualServer::get_singleton()->free(mesh);
}
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