godot/scene/resources/mesh_data_tool.cpp

630 lines
17 KiB
C++

/*************************************************************************/
/* mesh_data_tool.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_data_tool.h"
void MeshDataTool::clear() {
vertices.clear();
edges.clear();
faces.clear();
material = Ref<Material>();
format=0;
}
Error MeshDataTool::create_from_surface(const Ref<Mesh>& p_mesh,int p_surface) {
ERR_FAIL_COND_V(p_mesh.is_null(),ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(p_mesh.is_null(),ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V(p_mesh->surface_get_primitive_type(p_surface)!=Mesh::PRIMITIVE_TRIANGLES,ERR_INVALID_PARAMETER);
Array arrays = p_mesh->surface_get_arrays(p_surface);
ERR_FAIL_COND_V( arrays.empty(), ERR_INVALID_PARAMETER );
DVector<Vector3> varray = arrays[Mesh::ARRAY_VERTEX];
int vcount = varray.size();
ERR_FAIL_COND_V( vcount == 0, ERR_INVALID_PARAMETER);
clear();
format = p_mesh->surface_get_format(p_surface);
material=p_mesh->surface_get_material(p_surface);
DVector<Vector3>::Read vr = varray.read();
DVector<Vector3>::Read nr;
if (arrays[Mesh::ARRAY_NORMAL].get_type()!=Variant::NIL)
nr = arrays[Mesh::ARRAY_NORMAL].operator DVector<Vector3>().read();
DVector<real_t>::Read ta;
if (arrays[Mesh::ARRAY_TANGENT].get_type()!=Variant::NIL)
ta = arrays[Mesh::ARRAY_TANGENT].operator DVector<real_t>().read();
DVector<Vector2>::Read uv;
if (arrays[Mesh::ARRAY_TEX_UV].get_type()!=Variant::NIL)
uv = arrays[Mesh::ARRAY_TEX_UV].operator DVector<Vector2>().read();
DVector<Vector2>::Read uv2;
if (arrays[Mesh::ARRAY_TEX_UV2].get_type()!=Variant::NIL)
uv2 = arrays[Mesh::ARRAY_TEX_UV2].operator DVector<Vector2>().read();
DVector<Color>::Read col;
if (arrays[Mesh::ARRAY_COLOR].get_type()!=Variant::NIL)
col = arrays[Mesh::ARRAY_COLOR].operator DVector<Color>().read();
DVector<real_t>::Read bo;
if (arrays[Mesh::ARRAY_BONES].get_type()!=Variant::NIL)
bo = arrays[Mesh::ARRAY_BONES].operator DVector<real_t>().read();
DVector<real_t>::Read we;
if (arrays[Mesh::ARRAY_WEIGHTS].get_type()!=Variant::NIL)
we = arrays[Mesh::ARRAY_WEIGHTS].operator DVector<real_t>().read();
vertices.resize(vcount);
for(int i=0;i<vcount;i++) {
Vertex v;
v.vertex=vr[i];
if (nr.ptr())
v.normal=nr[i];
if (ta.ptr())
v.tangent=Plane(ta[i*4+0],ta[i*4+1],ta[i*4+2],ta[i*4+3]);
if (uv.ptr())
v.uv=uv[i];
if (uv2.ptr())
v.uv2=uv2[i];
if (col.ptr())
v.color=col[i];
if (we.ptr()) {
v.weights.push_back(we[i*4+0]);
v.weights.push_back(we[i*4+1]);
v.weights.push_back(we[i*4+2]);
v.weights.push_back(we[i*4+3]);
}
if (bo.ptr()) {
v.bones.push_back(bo[i*4+0]);
v.bones.push_back(bo[i*4+1]);
v.bones.push_back(bo[i*4+2]);
v.bones.push_back(bo[i*4+3]);
}
vertices[i]=v;
}
DVector<int> indices;
if (arrays[Mesh::ARRAY_INDEX].get_type()!=Variant::NIL) {
indices = arrays[Mesh::ARRAY_INDEX];
} else {
//make code simpler
indices.resize(vcount);
DVector<int>::Write iw=indices.write();
for(int i=0;i<vcount;i++)
iw[i]=i;
}
int icount=indices.size();
DVector<int>::Read r = indices.read();
Map<Point2i,int> edge_indices;
for(int i=0;i<icount;i+=3) {
Vertex*v[3]={ &vertices[r[i+0]], &vertices[r[i+1]], &vertices[r[i+2]] };
int fidx=faces.size();
Face face;
for(int j=0;j<3;j++) {
face.v[j]=r[i+j];
Point2i edge(r[i+j],r[i+(j+1)%3]);
if (edge.x > edge.y) {
SWAP(edge.x,edge.y);
}
if (edge_indices.has(edge)) {
face.edges[j]=edge_indices[edge];
} else {
face.edges[j]=edge_indices.size();
edge_indices[edge]=face.edges[j];
Edge e;
e.vertex[0]=edge.x;
e.vertex[1]=edge.y;
edges.push_back(e);
}
edges[face.edges[j]].faces.push_back(fidx);
v[j]->faces.push_back(fidx);
v[j]->edges.push_back(face.edges[j]);
}
faces.push_back(face);
}
return OK;
}
Error MeshDataTool::commit_to_surface(const Ref<Mesh>& p_mesh) {
ERR_FAIL_COND_V(p_mesh.is_null(),ERR_INVALID_PARAMETER);
Array arr;
arr.resize(Mesh::ARRAY_MAX);
int vcount=vertices.size();
DVector<Vector3> v;
DVector<Vector3> n;
DVector<real_t> t;
DVector<Vector2> u;
DVector<Vector2> u2;
DVector<Color> c;
DVector<real_t> b;
DVector<real_t> w;
DVector<int> in;
{
v.resize(vcount);
DVector<Vector3>::Write vr=v.write();
DVector<Vector3>::Write nr;
if (format&Mesh::ARRAY_FORMAT_NORMAL) {
n.resize(vcount);
nr = n.write();
}
DVector<real_t>::Write ta;
if (format&Mesh::ARRAY_FORMAT_TANGENT) {
t.resize(vcount*4);
ta = t.write();
}
DVector<Vector2>::Write uv;
if (format&Mesh::ARRAY_FORMAT_TEX_UV) {
u.resize(vcount);
uv = u.write();
}
DVector<Vector2>::Write uv2;
if (format&Mesh::ARRAY_FORMAT_TEX_UV2) {
u2.resize(vcount);
uv2 = u2.write();
}
DVector<Color>::Write col;
if (format&Mesh::ARRAY_FORMAT_COLOR) {
c.resize(vcount);
col = c.write();
}
DVector<real_t>::Write bo;
if (format&Mesh::ARRAY_FORMAT_BONES) {
b.resize(vcount*4);
bo = b.write();
}
DVector<real_t>::Write we;
if (format&Mesh::ARRAY_FORMAT_WEIGHTS) {
w.resize(vcount*4);
we = w.write();
}
for(int i=0;i<vcount;i++) {
Vertex &vtx=vertices[i];
vr[i]=vtx.vertex;
if (nr.ptr())
nr[i]=vtx.normal;
if (ta.ptr()) {
ta[i*4+0]=vtx.tangent.normal.x;
ta[i*4+1]=vtx.tangent.normal.y;
ta[i*4+2]=vtx.tangent.normal.z;
ta[i*4+3]=vtx.tangent.d;
}
if (uv.ptr())
uv[i]=vtx.uv;
if (uv2.ptr())
uv2[i]=vtx.uv2;
if (col.ptr())
col[i]=vtx.color;
if (we.ptr()) {
we[i*4+0]=vtx.weights[0];
we[i*4+1]=vtx.weights[1];
we[i*4+2]=vtx.weights[2];
we[i*4+3]=vtx.weights[3];
}
if (bo.ptr()) {
bo[i*4+0]=vtx.bones[0];
bo[i*4+1]=vtx.bones[1];
bo[i*4+2]=vtx.bones[2];
bo[i*4+3]=vtx.bones[3];
}
}
int fc = faces.size();
in.resize(fc*3);
DVector<int>::Write iw=in.write();
for(int i=0;i<fc;i++) {
iw[i*3+0]=faces[i].v[0];
iw[i*3+1]=faces[i].v[1];
iw[i*3+2]=faces[i].v[2];
}
}
arr[Mesh::ARRAY_VERTEX]=v;
arr[Mesh::ARRAY_INDEX]=in;
if (n.size())
arr[Mesh::ARRAY_NORMAL]=n;
if (c.size())
arr[Mesh::ARRAY_COLOR]=c;
if (u.size())
arr[Mesh::ARRAY_TEX_UV]=u;
if (u2.size())
arr[Mesh::ARRAY_TEX_UV2]=u2;
if (t.size())
arr[Mesh::ARRAY_TANGENT]=t;
if (b.size())
arr[Mesh::ARRAY_BONES]=b;
if (w.size())
arr[Mesh::ARRAY_WEIGHTS]=w;
Ref<Mesh> ncmesh=p_mesh;
int sc = ncmesh->get_surface_count();
ncmesh->add_surface(Mesh::PRIMITIVE_TRIANGLES,arr);
ncmesh->surface_set_material(sc,material);
return OK;
}
int MeshDataTool::get_format() const {
return format;
}
int MeshDataTool::get_vertex_count() const {
return vertices.size();
}
int MeshDataTool::get_edge_count() const{
return edges.size();
}
int MeshDataTool::get_face_count() const{
return faces.size();
}
Vector3 MeshDataTool::get_vertex(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector3());
return vertices[p_idx].vertex;
}
void MeshDataTool::set_vertex(int p_idx,const Vector3& p_vertex){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].vertex=p_vertex;
}
Vector3 MeshDataTool::get_vertex_normal(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector3());
return vertices[p_idx].normal;
}
void MeshDataTool::set_vertex_normal(int p_idx,const Vector3& p_normal){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].normal=p_normal;
format|=Mesh::ARRAY_FORMAT_NORMAL;
}
Plane MeshDataTool::get_vertex_tangent(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Plane());
return vertices[p_idx].tangent;
}
void MeshDataTool::set_vertex_tangent(int p_idx,const Plane& p_tangent){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].tangent=p_tangent;
format|=Mesh::ARRAY_FORMAT_TANGENT;
}
Vector2 MeshDataTool::get_vertex_uv(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector2());
return vertices[p_idx].uv;
}
void MeshDataTool::set_vertex_uv(int p_idx,const Vector2& p_uv){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].uv=p_uv;
format|=Mesh::ARRAY_FORMAT_TEX_UV;
}
Vector2 MeshDataTool::get_vertex_uv2(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector2());
return vertices[p_idx].uv2;
}
void MeshDataTool::set_vertex_uv2(int p_idx,const Vector2& p_uv2){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].uv2=p_uv2;
format|=Mesh::ARRAY_FORMAT_TEX_UV2;
}
Color MeshDataTool::get_vertex_color(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Color());
return vertices[p_idx].color;
}
void MeshDataTool::set_vertex_color(int p_idx,const Color& p_color){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].color=p_color;
format|=Mesh::ARRAY_FORMAT_COLOR;
}
Vector<int> MeshDataTool::get_vertex_bones(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector<int>());
return vertices[p_idx].bones;
}
void MeshDataTool::set_vertex_bones(int p_idx,const Vector<int>& p_bones){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].bones=p_bones;
format|=Mesh::ARRAY_FORMAT_BONES;
}
Vector<float> MeshDataTool::get_vertex_weights(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector<float>());
return vertices[p_idx].weights;
}
void MeshDataTool::set_vertex_weights(int p_idx,const Vector<float>& p_weights){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].weights=p_weights;
format|=Mesh::ARRAY_FORMAT_WEIGHTS;
}
Variant MeshDataTool::get_vertex_meta(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Variant());
return vertices[p_idx].meta;
}
void MeshDataTool::set_vertex_meta(int p_idx,const Variant& p_meta){
ERR_FAIL_INDEX(p_idx,vertices.size());
vertices[p_idx].meta=p_meta;
}
Vector<int> MeshDataTool::get_vertex_edges(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector<int>());
return vertices[p_idx].edges;
}
Vector<int> MeshDataTool::get_vertex_faces(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,vertices.size(),Vector<int>());
return vertices[p_idx].faces;
}
int MeshDataTool::get_edge_vertex(int p_edge,int p_vertex) const {
ERR_FAIL_INDEX_V(p_edge,edges.size(),-1);
ERR_FAIL_INDEX_V(p_vertex,2,-1);
return edges[p_edge].vertex[p_vertex];
}
Vector<int> MeshDataTool::get_edge_faces(int p_edge) const{
ERR_FAIL_INDEX_V(p_edge,edges.size(),Vector<int>());
return edges[p_edge].faces;
}
Variant MeshDataTool::get_edge_meta(int p_idx) const{
ERR_FAIL_INDEX_V(p_idx,edges.size(),Variant());
return edges[p_idx].meta;
}
void MeshDataTool::set_edge_meta(int p_idx,const Variant& p_meta){
ERR_FAIL_INDEX(p_idx,edges.size());
edges[p_idx].meta=p_meta;
}
int MeshDataTool::get_face_vertex(int p_face,int p_vertex) const {
ERR_FAIL_INDEX_V(p_face,faces.size(),-1);
ERR_FAIL_INDEX_V(p_vertex,3,-1);
return faces[p_face].v[p_vertex];
}
int MeshDataTool::get_face_edge(int p_face,int p_vertex) const{
ERR_FAIL_INDEX_V(p_face,faces.size(),-1);
ERR_FAIL_INDEX_V(p_vertex,3,-1);
return faces[p_face].edges[p_vertex];
}
Variant MeshDataTool::get_face_meta(int p_face) const{
ERR_FAIL_INDEX_V(p_face,faces.size(),Variant());
return faces[p_face].meta;
}
void MeshDataTool::set_face_meta(int p_face,const Variant& p_meta){
ERR_FAIL_INDEX(p_face,faces.size());
faces[p_face].meta=p_meta;
}
Vector3 MeshDataTool::get_face_normal(int p_face) const {
ERR_FAIL_INDEX_V(p_face,faces.size(),Vector3());
Vector3 v0 = vertices[faces[p_face].v[0]].vertex;
Vector3 v1 = vertices[faces[p_face].v[1]].vertex;
Vector3 v2 = vertices[faces[p_face].v[2]].vertex;
return Plane(v0,v1,v2).normal;
}
Ref<Material> MeshDataTool::get_material() const {
return material;
}
void MeshDataTool::set_material(const Ref<Material> &p_material) {
material=p_material;
}
void MeshDataTool::_bind_methods() {
ObjectTypeDB::bind_method(_MD("clear"),&MeshDataTool::clear);
ObjectTypeDB::bind_method(_MD("create_from_surface","mesh","surface"),&MeshDataTool::create_from_surface);
ObjectTypeDB::bind_method(_MD("commit_to_surface","mesh"),&MeshDataTool::commit_to_surface);
ObjectTypeDB::bind_method(_MD("get_format"),&MeshDataTool::get_format);
ObjectTypeDB::bind_method(_MD("get_vertex_count"),&MeshDataTool::get_vertex_count);
ObjectTypeDB::bind_method(_MD("get_edge_count"),&MeshDataTool::get_edge_count);
ObjectTypeDB::bind_method(_MD("get_face_count"),&MeshDataTool::get_face_count);
ObjectTypeDB::bind_method(_MD("set_vertex","idx","vertex"),&MeshDataTool::set_vertex);
ObjectTypeDB::bind_method(_MD("get_vertex","idx"),&MeshDataTool::get_vertex);
ObjectTypeDB::bind_method(_MD("set_vertex_normal","idx","normal"),&MeshDataTool::set_vertex_normal);
ObjectTypeDB::bind_method(_MD("get_vertex_normal","idx"),&MeshDataTool::get_vertex_normal);
ObjectTypeDB::bind_method(_MD("set_vertex_tangent","idx","tangent"),&MeshDataTool::set_vertex_tangent);
ObjectTypeDB::bind_method(_MD("get_vertex_tangent","idx"),&MeshDataTool::get_vertex_tangent);
ObjectTypeDB::bind_method(_MD("set_vertex_uv","idx","uv"),&MeshDataTool::set_vertex_uv);
ObjectTypeDB::bind_method(_MD("get_vertex_uv","idx"),&MeshDataTool::get_vertex_uv);
ObjectTypeDB::bind_method(_MD("set_vertex_uv2","idx","uv2"),&MeshDataTool::set_vertex_uv2);
ObjectTypeDB::bind_method(_MD("get_vertex_uv2","idx"),&MeshDataTool::get_vertex_uv2);
ObjectTypeDB::bind_method(_MD("set_vertex_color","idx","color"),&MeshDataTool::set_vertex_color);
ObjectTypeDB::bind_method(_MD("get_vertex_color","idx"),&MeshDataTool::get_vertex_color);
ObjectTypeDB::bind_method(_MD("set_vertex_bones","idx","bones"),&MeshDataTool::set_vertex_bones);
ObjectTypeDB::bind_method(_MD("get_vertex_bones","idx"),&MeshDataTool::get_vertex_bones);
ObjectTypeDB::bind_method(_MD("set_vertex_weights","idx","weights"),&MeshDataTool::set_vertex_weights);
ObjectTypeDB::bind_method(_MD("get_vertex_weights","idx"),&MeshDataTool::get_vertex_weights);
ObjectTypeDB::bind_method(_MD("set_vertex_meta","idx","meta"),&MeshDataTool::set_vertex_meta);
ObjectTypeDB::bind_method(_MD("get_vertex_meta","idx"),&MeshDataTool::get_vertex_meta);
ObjectTypeDB::bind_method(_MD("get_vertex_edges","idx"),&MeshDataTool::get_vertex_edges);
ObjectTypeDB::bind_method(_MD("get_vertex_faces","idx"),&MeshDataTool::get_vertex_faces);
ObjectTypeDB::bind_method(_MD("get_edge_vertex","idx","vertex"),&MeshDataTool::get_edge_vertex);
ObjectTypeDB::bind_method(_MD("get_edge_faces","idx","faces"),&MeshDataTool::get_edge_faces);
ObjectTypeDB::bind_method(_MD("set_edge_meta","idx","meta"),&MeshDataTool::set_edge_meta);
ObjectTypeDB::bind_method(_MD("get_edge_meta","idx"),&MeshDataTool::get_edge_meta);
ObjectTypeDB::bind_method(_MD("get_face_vertex","idx","vertex"),&MeshDataTool::get_face_vertex);
ObjectTypeDB::bind_method(_MD("get_face_edge","idx","edge"),&MeshDataTool::get_face_edge);
ObjectTypeDB::bind_method(_MD("set_face_meta","idx","meta"),&MeshDataTool::set_face_meta);
ObjectTypeDB::bind_method(_MD("get_face_meta","idx"),&MeshDataTool::get_face_meta);
ObjectTypeDB::bind_method(_MD("get_face_normal","idx"),&MeshDataTool::get_face_normal);
ObjectTypeDB::bind_method(_MD("set_material","material:Material"),&MeshDataTool::set_material);
ObjectTypeDB::bind_method(_MD("get_material","material"),&MeshDataTool::get_material);
}
MeshDataTool::MeshDataTool(){
clear();
}