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Documentation                       Search   ig_surface_light_build.cpp Go to the documentation of this file. /* Copyright, 2000-2002 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * NEVRAX NEL is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * You should have received a copy of the GNU General Public License * along with NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #include "std3d.h" #include "3d/ig_surface_light_build.h" using namespace NLMISC; using namespace std; namespace NL3D { // *************************************************************************** void CIGSurfaceLightBuild::buildSunDebugMesh(CMesh::CMeshBuild &meshBuild, CMeshBase::CMeshBaseBuild &meshBaseBuild, const CVector &deltaPos) { contReset(meshBuild); contReset(meshBaseBuild); meshBaseBuild.Materials.resize(1); meshBaseBuild.Materials[0].initUnlit(); meshBaseBuild.Materials[0].setBlend(true); meshBaseBuild.Materials[0].setBlendFunc(CMaterial::srcalpha, CMaterial::invsrcalpha); meshBuild.VertexFlags= CVertexBuffer::PositionFlag | CVertexBuffer::PrimaryColorFlag; // For all grids. ItRetrieverGridMap it; for(it= RetrieverGridMap.begin(); it!= RetrieverGridMap.end(); it++) { for(uint iSurf= 0; iSurf<it->second.Grids.size(); iSurf++) { CSurface &surface= it->second.Grids[iSurf]; // Resize vector and faces. uint wVert= surface.Width; uint hVert= surface.Height; uint wCell= wVert-1; uint hCell= hVert-1; uint vId0= meshBuild.Vertices.size(); // Allocate vertices / colors meshBuild.Vertices.resize(vId0 + wVert*hVert); vector<CRGBA> colors; colors.resize(wVert*hVert); // Allocate enough space for faces. meshBuild.Faces.reserve(meshBuild.Faces.size() + wCell*hCell *2); // Build vertices pos and colors. uint x, y; for(y=0;y<hVert; y++) { for(x=0;x<wVert; x++) { uint vId= y*wVert + x; // Copy Pos. meshBuild.Vertices[vId0 + vId]= surface.Cells[vId].CenterPos + deltaPos; // Copy Color. uint8 col= surface.Cells[vId].SunContribution; colors[vId].set(col, col, col, 128); // Force Blue color, to simulate ambiant. colors[vId].B= 128 + colors[vId].B/2; // OutSurface => green is 128. if(!surface.Cells[vId].InSurface) colors[vId].G= 128; } } // Build faces for(y=0;y<hCell; y++) { for(x=0;x<wCell; x++) { uint v00= y*wVert + x; uint v10= y*wVert + x+1; uint v01= (y+1)*wVert + x; uint v11= (y+1)*wVert + x+1; // Skip this cell?? bool skip= false; if(!surface.Cells[v00].InSurface && !surface.Cells[v00].Dilated) skip= true; if(!surface.Cells[v10].InSurface && !surface.Cells[v10].Dilated) skip= true; if(!surface.Cells[v01].InSurface && !surface.Cells[v01].Dilated) skip= true; if(!surface.Cells[v11].InSurface && !surface.Cells[v11].Dilated) skip= true; if(!skip) { // 1st triangle. CMesh::CFace face0; face0.MaterialId= 0; face0.Corner[0].Vertex= vId0+ v00; face0.Corner[0].Color= colors[v00]; face0.Corner[1].Vertex= vId0+ v10; face0.Corner[1].Color= colors[v10]; face0.Corner[2].Vertex= vId0+ v01; face0.Corner[2].Color= colors[v01]; // 2nd triangle. CMesh::CFace face1; face1.MaterialId= 0; face1.Corner[0].Vertex= vId0+ v10; face1.Corner[0].Color= colors[v10]; face1.Corner[1].Vertex= vId0+ v11; face1.Corner[1].Color= colors[v11]; face1.Corner[2].Vertex= vId0+ v01; face1.Corner[2].Color= colors[v01]; // Add 2 triangles meshBuild.Faces.push_back(face0); meshBuild.Faces.push_back(face1); } } } } } } } // NL3D