00001 /*************************************************************************** 00002 * Copyright (C) 1998-2009 by authors (see AUTHORS.txt ) * 00003 * * 00004 * This file is part of LuxRender. * 00005 * * 00006 * Lux Renderer is free software; you can redistribute it and/or modify * 00007 * it under the terms of the GNU General Public License as published by * 00008 * the Free Software Foundation; either version 3 of the License, or * 00009 * (at your option) any later version. * 00010 * * 00011 * Lux Renderer is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00014 * GNU General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU General Public License * 00017 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 00018 * * 00019 * This project is based on PBRT ; see http://www.pbrt.org * 00020 * Lux Renderer website : http://www.luxrender.net * 00021 ***************************************************************************/ 00022 00023 #ifndef LUX_MATERIAL_H 00024 #define LUX_MATERIAL_H 00025 // material.h* 00026 #include "lux.h" 00027 #include "color.h" 00028 00029 namespace lux 00030 { 00031 00032 // Per Material/BSDF CompositingParams for precise control 00033 // when rendering objects in a compositing animation pipeline 00034 struct CompositingParams { 00035 CompositingParams() { 00036 tVm = tVl = tiVm = tiVl = true; 00037 oA = false; 00038 A = 0.f; 00039 K = false; 00040 Kc = RGBColor(1.f); 00041 } 00042 bool tVm; // Trace Visibility for material 00043 bool tVl; // Trace Visibility for emission 00044 bool tiVm; // Trace Indirect Visibility for material 00045 bool tiVl; // Trace Indirect Visibility for emission 00046 bool oA; // Override Alpha 00047 float A; // Overridden Alpha Value 00048 bool K; // Colour/Chroma Key 00049 RGBColor Kc; // Colour Key/Chroma RGB Colour 00050 }; 00051 00052 // Material Class Declarations 00053 class Material { 00054 public: 00055 // Material Interface 00056 Material(); 00057 virtual ~Material(); 00058 00059 void InitGeneralParams(const TextureParams &mp); 00060 00061 virtual BSDF *GetBSDF(const TsPack *tspack, const DifferentialGeometry &dgGeom, 00062 const DifferentialGeometry &dgShading) const = 0; 00063 void Bump(boost::shared_ptr<Texture<float> > d, const DifferentialGeometry &dgGeom, 00064 const DifferentialGeometry &dgShading, DifferentialGeometry *dgBump) const; 00065 void SetChild1(boost::shared_ptr<Material> x) { child1 = x; } 00066 void SetChild2(boost::shared_ptr<Material> x) { child2 = x; } 00067 00068 static void FindCompositingParams(const TextureParams &mp, CompositingParams *cp); 00069 00070 boost::shared_ptr<Material> child1, child2; 00071 float bumpmapSampleDistance; 00072 CompositingParams *compParams; 00073 }; 00074 00075 }//namespace lux 00076 00077 #endif // LUX_MATERIAL_H