879 lines
21 KiB
C++
879 lines
21 KiB
C++
/*************************************************************************/
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/* surface_tool.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "surface_tool.h"
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#include "method_bind_ext.inc"
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#define _VERTEX_SNAP 0.0001
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#define EQ_VERTEX_DIST 0.00001
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bool SurfaceTool::Vertex::operator==(const Vertex& p_b) const {
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if (vertex!=p_b.vertex)
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return false;
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if (uv!=p_b.uv)
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return false;
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if (uv2!=p_b.uv2)
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return false;
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if (normal!=p_b.normal)
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return false;
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if (binormal!=p_b.binormal)
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return false;
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if (color!=p_b.color)
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return false;
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if (bones.size()!=p_b.bones.size())
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return false;
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for(int i=0;i<bones.size();i++) {
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if (bones[i]!=p_b.bones[i])
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return false;
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}
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for(int i=0;i<weights.size();i++) {
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if (weights[i]!=p_b.weights[i])
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return false;
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}
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return true;
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}
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uint32_t SurfaceTool::VertexHasher::hash(const Vertex &p_vtx) {
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uint32_t h = hash_djb2_buffer((const uint8_t*)&p_vtx.vertex,sizeof(real_t)*3);
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h = hash_djb2_buffer((const uint8_t*)&p_vtx.normal,sizeof(real_t)*3,h);
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h = hash_djb2_buffer((const uint8_t*)&p_vtx.binormal,sizeof(real_t)*3,h);
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h = hash_djb2_buffer((const uint8_t*)&p_vtx.tangent,sizeof(real_t)*3,h);
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h = hash_djb2_buffer((const uint8_t*)&p_vtx.uv,sizeof(real_t)*2,h);
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h = hash_djb2_buffer((const uint8_t*)&p_vtx.uv2,sizeof(real_t)*2,h);
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h = hash_djb2_buffer((const uint8_t*)&p_vtx.color,sizeof(real_t)*4,h);
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h = hash_djb2_buffer((const uint8_t*)p_vtx.bones.ptr(),p_vtx.bones.size()*sizeof(int),h);
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h = hash_djb2_buffer((const uint8_t*)p_vtx.weights.ptr(),p_vtx.weights.size()*sizeof(float),h);
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return h;
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}
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void SurfaceTool::begin(Mesh::PrimitiveType p_primitive) {
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clear();
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primitive=p_primitive;
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begun=true;
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first=true;
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}
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void SurfaceTool::add_vertex( const Vector3& p_vertex) {
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ERR_FAIL_COND(!begun);
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Vertex vtx;
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vtx.vertex=p_vertex;
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vtx.color=last_color;
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vtx.normal=last_normal;
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vtx.uv=last_uv;
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vtx.weights=last_weights;
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vtx.bones=last_bones;
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vtx.tangent=last_tangent.normal;
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vtx.binormal=last_normal.cross(last_tangent.normal).normalized() * last_tangent.d;
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vertex_array.push_back(vtx);
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first=false;
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format|=Mesh::ARRAY_FORMAT_VERTEX;
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}
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void SurfaceTool::add_color( Color p_color ) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND( !first && !(format&Mesh::ARRAY_FORMAT_COLOR));
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format|=Mesh::ARRAY_FORMAT_COLOR;
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last_color=p_color;
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}
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void SurfaceTool::add_normal( const Vector3& p_normal) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND( !first && !(format&Mesh::ARRAY_FORMAT_NORMAL));
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format|=Mesh::ARRAY_FORMAT_NORMAL;
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last_normal=p_normal;
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}
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void SurfaceTool::add_tangent( const Plane& p_tangent ) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND( !first && !(format&Mesh::ARRAY_FORMAT_TANGENT));
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format|=Mesh::ARRAY_FORMAT_TANGENT;
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last_tangent=p_tangent;
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}
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void SurfaceTool::add_uv( const Vector2& p_uv) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND( !first && !(format&Mesh::ARRAY_FORMAT_TEX_UV));
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format|=Mesh::ARRAY_FORMAT_TEX_UV;
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last_uv=p_uv;
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}
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void SurfaceTool::add_uv2( const Vector2& p_uv2) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND( !first && !(format&Mesh::ARRAY_FORMAT_TEX_UV2));
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format|=Mesh::ARRAY_FORMAT_TEX_UV2;
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last_uv2=p_uv2;
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}
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void SurfaceTool::add_bones( const Vector<int>& p_bones) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND(p_bones.size()!=4);
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ERR_FAIL_COND( !first && !(format&Mesh::ARRAY_FORMAT_BONES));
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format|=Mesh::ARRAY_FORMAT_BONES;
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last_bones=p_bones;
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}
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void SurfaceTool::add_weights( const Vector<float>& p_weights) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND(p_weights.size()!=4);
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ERR_FAIL_COND( !first && !(format&Mesh::ARRAY_FORMAT_WEIGHTS));
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format|=Mesh::ARRAY_FORMAT_WEIGHTS;
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last_weights=p_weights;
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}
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void SurfaceTool::add_smooth_group(bool p_smooth) {
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ERR_FAIL_COND(!begun);
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if (index_array.size()) {
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smooth_groups[index_array.size()]=p_smooth;
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} else {
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smooth_groups[vertex_array.size()]=p_smooth;
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}
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}
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void SurfaceTool::add_triangle_fan(const Vector<Vector3>& p_vertexes, const Vector<Vector2>& p_uvs, const Vector<Color>& p_colors,const Vector<Vector2>& p_uv2s, const Vector<Vector3>& p_normals, const Vector<Plane>& p_tangents) {
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ERR_FAIL_COND(!begun);
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ERR_FAIL_COND(primitive!=Mesh::PRIMITIVE_TRIANGLES);
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ERR_FAIL_COND(p_vertexes.size()<3);
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#define ADD_POINT(n)\
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{\
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if(p_colors.size() > n)\
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add_color(p_colors[n]);\
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if(p_uvs.size() > n)\
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add_uv(p_uvs[n]);\
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if(p_uv2s.size() > n)\
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add_uv2(p_uv2s[n]);\
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if(p_normals.size() > n)\
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add_normal(p_normals[n]);\
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if(p_tangents.size() > n)\
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add_tangent(p_tangents[n]);\
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add_vertex(p_vertexes[n]);\
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}
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for(int i=0;i<p_vertexes.size() - 2;i++) {
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ADD_POINT(0);
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ADD_POINT(i+1);
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ADD_POINT(i+2);
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}
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#undef ADD_POINT
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}
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void SurfaceTool::add_index( int p_index) {
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ERR_FAIL_COND(!begun);
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format|=Mesh::ARRAY_FORMAT_INDEX;
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index_array.push_back(p_index);
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}
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Ref<Mesh> SurfaceTool::commit(const Ref<Mesh>& p_existing) {
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Ref<Mesh> mesh;
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if (p_existing.is_valid())
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mesh=p_existing;
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else
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mesh= Ref<Mesh>( memnew( Mesh ) );
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int varr_len=vertex_array.size();
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if (varr_len==0)
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return mesh;
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int surface = mesh->get_surface_count();
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Array a;
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a.resize(Mesh::ARRAY_MAX);
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for (int i=0;i<Mesh::ARRAY_MAX;i++) {
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switch(format&(1<<i)) {
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case Mesh::ARRAY_FORMAT_VERTEX:
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case Mesh::ARRAY_FORMAT_NORMAL: {
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DVector<Vector3> array;
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array.resize(varr_len);
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DVector<Vector3>::Write w = array.write();
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int idx=0;
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for(List< Vertex >::Element *E=vertex_array.front();E;E=E->next(),idx++) {
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const Vertex &v=E->get();
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switch(i) {
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case Mesh::ARRAY_VERTEX: {
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w[idx]=v.vertex;
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} break;
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case Mesh::ARRAY_NORMAL: {
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w[idx]=v.normal;
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} break;
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}
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}
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w=DVector<Vector3>::Write();
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a[i]=array;
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} break;
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case Mesh::ARRAY_FORMAT_TEX_UV:
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case Mesh::ARRAY_FORMAT_TEX_UV2: {
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DVector<Vector2> array;
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array.resize(varr_len);
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DVector<Vector2>::Write w = array.write();
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int idx=0;
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for(List< Vertex >::Element *E=vertex_array.front();E;E=E->next(),idx++) {
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const Vertex &v=E->get();
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switch(i) {
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case Mesh::ARRAY_TEX_UV: {
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w[idx]=v.uv;
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} break;
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case Mesh::ARRAY_TEX_UV2: {
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w[idx]=v.uv2;
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} break;
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}
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}
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w=DVector<Vector2>::Write();
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a[i]=array;
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} break;
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case Mesh::ARRAY_FORMAT_TANGENT: {
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DVector<float> array;
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array.resize(varr_len*4);
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DVector<float>::Write w = array.write();
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int idx=0;
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for(List< Vertex >::Element *E=vertex_array.front();E;E=E->next(),idx+=4) {
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const Vertex &v=E->get();
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w[idx+0]=v.tangent.x;
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w[idx+1]=v.tangent.y;
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w[idx+2]=v.tangent.z;
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//float d = v.tangent.dot(v.binormal,v.normal);
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float d = v.binormal.dot( v.normal.cross(v.tangent));
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w[idx+3]=d<0 ? -1 : 1;
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}
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w=DVector<float>::Write();
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a[i]=array;
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} break;
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case Mesh::ARRAY_FORMAT_COLOR: {
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DVector<Color> array;
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array.resize(varr_len);
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DVector<Color>::Write w = array.write();
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int idx=0;
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for(List< Vertex >::Element *E=vertex_array.front();E;E=E->next(),idx++) {
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const Vertex &v=E->get();
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w[idx]=v.color;
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}
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w=DVector<Color>::Write();
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a[i]=array;
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} break;
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case Mesh::ARRAY_FORMAT_BONES:
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case Mesh::ARRAY_FORMAT_WEIGHTS: {
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DVector<float> array;
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array.resize(varr_len*4);
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DVector<float>::Write w = array.write();
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int idx=0;
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for(List< Vertex >::Element *E=vertex_array.front();E;E=E->next(),idx+=4) {
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const Vertex &v=E->get();
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for(int j=0;j<4;j++) {
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switch(i) {
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case Mesh::ARRAY_WEIGHTS: {
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ERR_CONTINUE( v.weights.size()!=4 );
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w[idx+j]=v.weights[j];
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} break;
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case Mesh::ARRAY_BONES: {
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ERR_CONTINUE( v.bones.size()!=4 );
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w[idx+j]=v.bones[j];
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} break;
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}
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}
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}
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w=DVector<float>::Write();
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a[i]=array;
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} break;
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case Mesh::ARRAY_FORMAT_INDEX: {
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ERR_CONTINUE( index_array.size() ==0 );
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DVector<int> array;
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array.resize(index_array.size());
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DVector<int>::Write w = array.write();
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int idx=0;
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for(List< int>::Element *E=index_array.front();E;E=E->next(),idx++) {
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w[idx]=E->get();
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}
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w=DVector<int>::Write();
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a[i]=array;
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} break;
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default: {}
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}
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}
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mesh->add_surface(primitive,a);
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if (material.is_valid())
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mesh->surface_set_material(surface,material);
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return mesh;
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}
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void SurfaceTool::index() {
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if (index_array.size())
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return; //already indexed
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HashMap<Vertex,int,VertexHasher> indices;
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List<Vertex> new_vertices;
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for(List< Vertex >::Element *E=vertex_array.front();E;E=E->next()) {
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int *idxptr=indices.getptr(E->get());
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int idx;
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if (!idxptr) {
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idx=indices.size();
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new_vertices.push_back(E->get());
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indices[E->get()]=idx;
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} else {
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idx=*idxptr;
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}
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index_array.push_back(idx);
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}
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vertex_array.clear();
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vertex_array=new_vertices;
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format|=Mesh::ARRAY_FORMAT_INDEX;
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}
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void SurfaceTool::deindex() {
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if (index_array.size()==0)
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return; //nothing to deindex
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Vector< Vertex > varr;
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varr.resize(vertex_array.size());
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int idx=0;
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for (List< Vertex >::Element *E=vertex_array.front();E;E=E->next()) {
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varr[idx++]=E->get();
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}
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vertex_array.clear();
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for (List<int>::Element *E=index_array.front();E;E=E->next()) {
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ERR_FAIL_INDEX(E->get(),varr.size());
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vertex_array.push_back(varr[E->get()]);
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}
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format&=~Mesh::ARRAY_FORMAT_INDEX;
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}
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void SurfaceTool::_create_list(const Ref<Mesh>& p_existing, int p_surface, List<Vertex> *r_vertex, List<int> *r_index, int& lformat) {
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Array arr = p_existing->surface_get_arrays(p_surface);
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ERR_FAIL_COND( arr.size() !=VS::ARRAY_MAX );
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DVector<Vector3> varr = arr[VS::ARRAY_VERTEX];
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DVector<Vector3> narr = arr[VS::ARRAY_NORMAL];
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DVector<float> tarr = arr[VS::ARRAY_TANGENT];
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DVector<Color> carr = arr[VS::ARRAY_COLOR];
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DVector<Vector2> uvarr = arr[VS::ARRAY_TEX_UV];
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DVector<Vector2> uv2arr = arr[VS::ARRAY_TEX_UV2];
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DVector<int> barr = arr[VS::ARRAY_BONES];
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DVector<float> warr = arr[VS::ARRAY_WEIGHTS];
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int vc = varr.size();
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if (vc==0)
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return;
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lformat=0;
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DVector<Vector3>::Read rv;
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if (varr.size()) {
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lformat|=VS::ARRAY_FORMAT_VERTEX;
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rv=varr.read();
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}
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DVector<Vector3>::Read rn;
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if (narr.size()) {
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lformat|=VS::ARRAY_FORMAT_NORMAL;
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rn=narr.read();
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}
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DVector<float>::Read rt;
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if (tarr.size()) {
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lformat|=VS::ARRAY_FORMAT_TANGENT;
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rt=tarr.read();
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}
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DVector<Color>::Read rc;
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if (carr.size()) {
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lformat|=VS::ARRAY_FORMAT_COLOR;
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rc=carr.read();
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}
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DVector<Vector2>::Read ruv;
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if (uvarr.size()) {
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lformat|=VS::ARRAY_FORMAT_TEX_UV;
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ruv=uvarr.read();
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}
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DVector<Vector2>::Read ruv2;
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if (uv2arr.size()) {
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lformat|=VS::ARRAY_FORMAT_TEX_UV2;
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ruv2=uv2arr.read();
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}
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DVector<int>::Read rb;
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if (barr.size()) {
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lformat|=VS::ARRAY_FORMAT_BONES;
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rb=barr.read();
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}
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DVector<float>::Read rw;
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if (warr.size()) {
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lformat|=VS::ARRAY_FORMAT_WEIGHTS;
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rw=warr.read();
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}
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for(int i=0;i<vc;i++) {
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Vertex v;
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|
if (lformat&VS::ARRAY_FORMAT_VERTEX)
|
|
v.vertex=varr[i];
|
|
if (lformat&VS::ARRAY_FORMAT_NORMAL)
|
|
v.normal=narr[i];
|
|
if (lformat&VS::ARRAY_FORMAT_TANGENT) {
|
|
Plane p( tarr[i*4+0], tarr[i*4+1], tarr[i*4+2], tarr[i*4+3] );
|
|
v.tangent=p.normal;
|
|
v.binormal=p.normal.cross(last_normal).normalized() * p.d;
|
|
}
|
|
if (lformat&VS::ARRAY_FORMAT_COLOR)
|
|
v.color=carr[i];
|
|
if (lformat&VS::ARRAY_FORMAT_TEX_UV)
|
|
v.uv=uvarr[i];
|
|
if (lformat&VS::ARRAY_FORMAT_TEX_UV2)
|
|
v.uv2=uv2arr[i];
|
|
if (lformat&VS::ARRAY_FORMAT_BONES) {
|
|
Vector<int> b;
|
|
b.resize(4);
|
|
b[0]=barr[i*4+0];
|
|
b[1]=barr[i*4+1];
|
|
b[2]=barr[i*4+2];
|
|
b[3]=barr[i*4+3];
|
|
v.bones=b;
|
|
}
|
|
if (lformat&VS::ARRAY_FORMAT_WEIGHTS) {
|
|
Vector<float> w;
|
|
w.resize(4);
|
|
w[0]=warr[i*4+0];
|
|
w[1]=warr[i*4+1];
|
|
w[2]=warr[i*4+2];
|
|
w[3]=warr[i*4+3];
|
|
v.weights=w;
|
|
}
|
|
|
|
r_vertex->push_back(v);
|
|
}
|
|
|
|
//indices
|
|
|
|
DVector<int> idx= arr[VS::ARRAY_INDEX];
|
|
int is = idx.size();
|
|
if (is) {
|
|
|
|
lformat|=VS::ARRAY_FORMAT_INDEX;
|
|
DVector<int>::Read iarr=idx.read();
|
|
for(int i=0;i<is;i++) {
|
|
r_index->push_back(iarr[i]);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
void SurfaceTool::create_from(const Ref<Mesh>& p_existing, int p_surface) {
|
|
|
|
clear();
|
|
primitive=p_existing->surface_get_primitive_type(p_surface);
|
|
_create_list(p_existing,p_surface,&vertex_array,&index_array,format);
|
|
material=p_existing->surface_get_material(p_surface);
|
|
|
|
}
|
|
|
|
void SurfaceTool::append_from(const Ref<Mesh>& p_existing, int p_surface,const Transform& p_xform) {
|
|
|
|
if (vertex_array.size()==0) {
|
|
primitive=p_existing->surface_get_primitive_type(p_surface);
|
|
format=0;
|
|
}
|
|
|
|
int nformat;
|
|
List<Vertex> nvertices;
|
|
List<int> nindices;
|
|
_create_list(p_existing,p_surface,&nvertices,&nindices,nformat);
|
|
format|=nformat;
|
|
int vfrom = vertex_array.size();
|
|
|
|
|
|
for(List<Vertex>::Element *E=nvertices.front();E;E=E->next()) {
|
|
|
|
Vertex v=E->get();
|
|
v.vertex=p_xform.xform(v.vertex);
|
|
if (nformat&VS::ARRAY_FORMAT_NORMAL) {
|
|
v.normal=p_xform.basis.xform(v.normal);
|
|
}
|
|
if (nformat&VS::ARRAY_FORMAT_TANGENT) {
|
|
v.tangent=p_xform.basis.xform(v.tangent);
|
|
v.binormal=p_xform.basis.xform(v.binormal);
|
|
}
|
|
|
|
vertex_array.push_back(v);
|
|
}
|
|
|
|
for(List<int>::Element *E=nindices.front();E;E=E->next()) {
|
|
|
|
int dst_index = E->get()+vfrom;
|
|
//if (dst_index <0 || dst_index>=vertex_array.size()) {
|
|
// print_line("invalid index!");
|
|
//}
|
|
index_array.push_back(dst_index);
|
|
}
|
|
if (index_array.size()%3)
|
|
print_line("IA not div of 3?");
|
|
|
|
}
|
|
|
|
//mikktspace callbacks
|
|
int SurfaceTool::mikktGetNumFaces(const SMikkTSpaceContext * pContext) {
|
|
|
|
Vector<List<Vertex>::Element*> &varr = *((Vector<List<Vertex>::Element*>*)pContext->m_pUserData);
|
|
return varr.size()/3;
|
|
}
|
|
int SurfaceTool::mikktGetNumVerticesOfFace(const SMikkTSpaceContext * pContext, const int iFace){
|
|
|
|
return 3; //always 3
|
|
}
|
|
void SurfaceTool::mikktGetPosition(const SMikkTSpaceContext * pContext, float fvPosOut[], const int iFace, const int iVert){
|
|
|
|
Vector<List<Vertex>::Element*> &varr = *((Vector<List<Vertex>::Element*>*)pContext->m_pUserData);
|
|
Vector3 v = varr[iFace*3+iVert]->get().vertex;
|
|
fvPosOut[0]=v.x;
|
|
fvPosOut[1]=v.y;
|
|
fvPosOut[2]=v.z;
|
|
|
|
|
|
}
|
|
|
|
void SurfaceTool::mikktGetNormal(const SMikkTSpaceContext * pContext, float fvNormOut[], const int iFace, const int iVert){
|
|
|
|
|
|
Vector<List<Vertex>::Element*> &varr = *((Vector<List<Vertex>::Element*>*)pContext->m_pUserData);
|
|
Vector3 v = varr[iFace*3+iVert]->get().normal;
|
|
fvNormOut[0]=v.x;
|
|
fvNormOut[1]=v.y;
|
|
fvNormOut[2]=v.z;
|
|
|
|
}
|
|
void SurfaceTool::mikktGetTexCoord(const SMikkTSpaceContext * pContext, float fvTexcOut[], const int iFace, const int iVert){
|
|
|
|
Vector<List<Vertex>::Element*> &varr = *((Vector<List<Vertex>::Element*>*)pContext->m_pUserData);
|
|
Vector2 v = varr[iFace*3+iVert]->get().uv;
|
|
fvTexcOut[0]=v.x;
|
|
fvTexcOut[1]=v.y;
|
|
//fvTexcOut[1]=1.0-v.y;
|
|
|
|
}
|
|
void SurfaceTool::mikktSetTSpaceBasic(const SMikkTSpaceContext * pContext, const float fvTangent[], const float fSign, const int iFace, const int iVert){
|
|
|
|
Vector<List<Vertex>::Element*> &varr = *((Vector<List<Vertex>::Element*>*)pContext->m_pUserData);
|
|
Vertex &vtx = varr[iFace*3+iVert]->get();
|
|
|
|
vtx.tangent = Vector3(fvTangent[0],fvTangent[1],fvTangent[2]);
|
|
vtx.binormal = vtx.normal.cross(vtx.tangent) * fSign;
|
|
}
|
|
|
|
|
|
void SurfaceTool::generate_tangents() {
|
|
|
|
ERR_FAIL_COND(!(format&Mesh::ARRAY_FORMAT_TEX_UV));
|
|
ERR_FAIL_COND(!(format&Mesh::ARRAY_FORMAT_NORMAL));
|
|
|
|
bool indexed = index_array.size()>0;
|
|
if (indexed)
|
|
deindex();
|
|
|
|
|
|
SMikkTSpaceInterface mkif;
|
|
mkif.m_getNormal=mikktGetNormal;
|
|
mkif.m_getNumFaces=mikktGetNumFaces;
|
|
mkif.m_getNumVerticesOfFace=mikktGetNumVerticesOfFace;
|
|
mkif.m_getPosition=mikktGetPosition;
|
|
mkif.m_getTexCoord=mikktGetTexCoord;
|
|
mkif.m_setTSpaceBasic=mikktSetTSpaceBasic;
|
|
mkif.m_setTSpace=NULL;
|
|
|
|
SMikkTSpaceContext msc;
|
|
msc.m_pInterface=&mkif;
|
|
|
|
Vector<List<Vertex>::Element*> vtx;
|
|
vtx.resize(vertex_array.size());
|
|
int idx=0;
|
|
for (List<Vertex>::Element *E=vertex_array.front();E;E=E->next()) {
|
|
vtx[idx++]=E;
|
|
E->get().binormal=Vector3();
|
|
E->get().tangent=Vector3();
|
|
}
|
|
msc.m_pUserData=&vtx;
|
|
|
|
bool res = genTangSpaceDefault(&msc);
|
|
|
|
ERR_FAIL_COND(!res);
|
|
format|=Mesh::ARRAY_FORMAT_TANGENT;
|
|
|
|
if (indexed)
|
|
index();
|
|
|
|
|
|
}
|
|
|
|
void SurfaceTool::generate_normals() {
|
|
|
|
ERR_FAIL_COND(primitive!=Mesh::PRIMITIVE_TRIANGLES);
|
|
|
|
bool was_indexed=index_array.size();
|
|
|
|
deindex();
|
|
|
|
HashMap<Vertex,Vector3,VertexHasher> vertex_hash;
|
|
|
|
int count=0;
|
|
bool smooth=false;
|
|
if (smooth_groups.has(0))
|
|
smooth=smooth_groups[0];
|
|
|
|
List< Vertex >::Element *B=vertex_array.front();
|
|
for(List< Vertex >::Element *E=B;E;) {
|
|
|
|
List< Vertex >::Element *v[3];
|
|
v[0]=E;
|
|
v[1]=v[0]->next();
|
|
ERR_FAIL_COND(!v[1]);
|
|
v[2]=v[1]->next();
|
|
ERR_FAIL_COND(!v[2]);
|
|
E=v[2]->next();
|
|
|
|
Vector3 normal = Plane(v[0]->get().vertex,v[1]->get().vertex,v[2]->get().vertex).normal;
|
|
|
|
if (smooth) {
|
|
|
|
for(int i=0;i<3;i++) {
|
|
|
|
Vector3 *lv=vertex_hash.getptr(v[i]->get());
|
|
if (!lv) {
|
|
vertex_hash.set(v[i]->get(),normal);
|
|
} else {
|
|
(*lv)+=normal;
|
|
}
|
|
}
|
|
} else {
|
|
|
|
for(int i=0;i<3;i++) {
|
|
|
|
v[i]->get().normal=normal;
|
|
|
|
}
|
|
}
|
|
count+=3;
|
|
|
|
if (smooth_groups.has(count) || !E) {
|
|
|
|
if (vertex_hash.size()) {
|
|
|
|
while (B!=E) {
|
|
|
|
|
|
Vector3* lv=vertex_hash.getptr(B->get());
|
|
if (lv) {
|
|
B->get().normal=lv->normalized();
|
|
}
|
|
|
|
B=B->next();
|
|
}
|
|
|
|
} else {
|
|
B=E;
|
|
}
|
|
|
|
vertex_hash.clear();
|
|
if (E) {
|
|
smooth=smooth_groups[count];
|
|
print_line("SMOOTH AT "+itos(count)+": "+itos(smooth));
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
format|=Mesh::ARRAY_FORMAT_NORMAL;
|
|
|
|
if (was_indexed) {
|
|
index();
|
|
smooth_groups.clear();
|
|
}
|
|
|
|
}
|
|
|
|
void SurfaceTool::set_material(const Ref<Material>& p_material) {
|
|
|
|
material=p_material;
|
|
}
|
|
|
|
void SurfaceTool::clear() {
|
|
|
|
begun=false;
|
|
primitive=Mesh::PRIMITIVE_LINES;
|
|
format=0;
|
|
last_bones.clear();
|
|
last_weights.clear();
|
|
index_array.clear();
|
|
vertex_array.clear();
|
|
smooth_groups.clear();
|
|
|
|
}
|
|
|
|
void SurfaceTool::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("begin","primitive"),&SurfaceTool::begin);
|
|
ObjectTypeDB::bind_method(_MD("add_vertex","vertex"),&SurfaceTool::add_vertex);
|
|
ObjectTypeDB::bind_method(_MD("add_color","color"),&SurfaceTool::add_color);
|
|
ObjectTypeDB::bind_method(_MD("add_normal","normal"),&SurfaceTool::add_normal);
|
|
ObjectTypeDB::bind_method(_MD("add_tangent","tangent"),&SurfaceTool::add_tangent);
|
|
ObjectTypeDB::bind_method(_MD("add_uv","uv"),&SurfaceTool::add_uv);
|
|
ObjectTypeDB::bind_method(_MD("add_uv2","uv2"),&SurfaceTool::add_uv2);
|
|
ObjectTypeDB::bind_method(_MD("add_bones","bones"),&SurfaceTool::add_bones);
|
|
ObjectTypeDB::bind_method(_MD("add_weights","weights"),&SurfaceTool::add_weights);
|
|
ObjectTypeDB::bind_method(_MD("add_smooth_group","smooth"),&SurfaceTool::add_smooth_group);
|
|
ObjectTypeDB::bind_method(_MD("add_triangle_fan", "vertexes", "uvs", "colors", "uv2s", "normals", "tangents"),&SurfaceTool::add_triangle_fan, DEFVAL(Vector<Vector2>()), DEFVAL(Vector<Color>()), DEFVAL(Vector<Vector2>()),DEFVAL(Vector<Vector3>()), DEFVAL(Vector<Plane>()));
|
|
ObjectTypeDB::bind_method(_MD("set_material","material:Material"),&SurfaceTool::set_material);
|
|
ObjectTypeDB::bind_method(_MD("index"),&SurfaceTool::index);
|
|
ObjectTypeDB::bind_method(_MD("deindex"),&SurfaceTool::deindex);
|
|
///ObjectTypeDB::bind_method(_MD("generate_flat_normals"),&SurfaceTool::generate_flat_normals);
|
|
ObjectTypeDB::bind_method(_MD("generate_normals"),&SurfaceTool::generate_normals);
|
|
ObjectTypeDB::bind_method(_MD("add_index", "index"), &SurfaceTool::add_index);
|
|
ObjectTypeDB::bind_method(_MD("commit:Mesh","existing:Mesh"),&SurfaceTool::commit,DEFVAL(Variant()));
|
|
ObjectTypeDB::bind_method(_MD("clear"),&SurfaceTool::clear);
|
|
|
|
}
|
|
|
|
|
|
SurfaceTool::SurfaceTool() {
|
|
|
|
first=false;
|
|
begun=false;
|
|
primitive=Mesh::PRIMITIVE_LINES;
|
|
format=0;
|
|
|
|
}
|
|
|