source/materials/pbrmaterial.cpp

   1 #include "pbrmaterial.h"
   2
   3 using namespace std;
   4
   5 namespace Msp {
   6 namespace GL {
   7
   8 const Tag PbrMaterial::texture_tags[] =
   9 {
  10         Tag("base_color_map"),
  11         Tag("normal_map"),
  12         Tag("metalness_map"),
  13         Tag("roughness_map"),
  14         Tag("occlusion_map"),
  15         Tag("emission_map"),
  16         Tag()
  17 };
  18
  19 PbrMaterial::PbrMaterial()
  20 {
  21         set_base_color(0.8f);
  22         set_metalness(0.0f);
  23         set_roughness(0.5f);
  24         set_emission(0.0f);
  25 }
  26
  27 void PbrMaterial::fill_program_info(string &module_name, map<string, int> &spec_values) const
  28 {
  29         module_name = "cooktorrance.glsl";
  30         spec_values["use_base_color_map"] = (base_color.texture!=0);
  31         spec_values["use_normal_map"] = (normal.texture!=0);
  32         spec_values["use_metalness_map"] = (metalness.texture!=0);
  33         spec_values["use_roughness_map"] = (roughness.texture!=0);
  34         spec_values["use_occlusion_map"] = (occlusion.texture!=0);
  35         bool use_emission = (emission.texture || emission.value.r || emission.value.g || emission.value.b);
  36         spec_values["use_emission"] = use_emission;
  37         spec_values["use_emission_map"] = (emission.texture!=0);
  38 }
  39
  40 #pragma GCC diagnostic push
  41 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
  42 void PbrMaterial::attach_textures_to(Texturing &texturing, ProgramData &tex_shdata) const
  43 {
  44         attach_texture_to(base_color.texture, texturing, tex_shdata, "base_color_map");
  45         attach_texture_to(metalness.texture, texturing, tex_shdata, "metalness_map");
  46         attach_texture_to(roughness.texture, texturing, tex_shdata, "roughness_map");
  47         attach_texture_to(normal.texture, texturing, tex_shdata, "normal_map");
  48         attach_texture_to(occlusion.texture, texturing, tex_shdata, "occlusion_map");
  49         attach_texture_to(emission.texture, texturing, tex_shdata, "emission_map");
  50 }
  51 #pragma GCC diagnostic pop
  52
  53 const Texture *PbrMaterial::get_texture(Tag tag) const
  54 {
  55         if(tag==texture_tags[0])
  56                 return base_color.texture;
  57         else if(tag==texture_tags[1])
  58                 return normal.texture;
  59         else if(tag==texture_tags[2])
  60                 return metalness.texture;
  61         else if(tag==texture_tags[3])
  62                 return roughness.texture;
  63         else if(tag==texture_tags[4])
  64                 return occlusion.texture;
  65         else if(tag==texture_tags[5])
  66                 return emission.texture;
  67         else
  68                 return 0;
  69 }
  70
  71 void PbrMaterial::set_base_color(const Color &color)
  72 {
  73         base_color.value = color;
  74         shdata.uniform("pbr_material.base_color", color);
  75 }
  76
  77 void PbrMaterial::set_base_color_map(const Texture *tex)
  78 {
  79         base_color.texture = tex;
  80 }
  81
  82 void PbrMaterial::set_normal_map(const Texture *tex)
  83 {
  84         normal.texture = tex;
  85 }
  86
  87 void PbrMaterial::set_metalness(float value)
  88 {
  89         metalness.value = value;
  90         shdata.uniform("pbr_material.metalness", value);
  91 }
  92
  93 void PbrMaterial::set_metalness_map(const Texture *tex)
  94 {
  95         metalness.texture = tex;
  96 }
  97
  98 void PbrMaterial::set_roughness(float value)
  99 {
 100         roughness.value = value;
 101         shdata.uniform("pbr_material.roughness", value);
 102 }
 103
 104 void PbrMaterial::set_roughness_map(const Texture *tex)
 105 {
 106         roughness.texture = tex;
 107 }
 108
 109 void PbrMaterial::set_occlusion_map(const Texture *tex)
 110 {
 111         occlusion.texture = tex;
 112 }
 113
 114 void PbrMaterial::set_emission(const Color &color)
 115 {
 116         emission.value = color;
 117         shdata.uniform("pbr_material.emission", color);
 118 }
 119
 120 void PbrMaterial::set_emission_map(const Texture *tex)
 121 {
 122         emission.texture = tex;
 123 }
 124
 125
 126 DataFile::Loader::ActionMap PbrMaterial::Loader::shared_actions;
 127
 128 PbrMaterial::Loader::Loader(PbrMaterial &m):
 129         DerivedObjectLoader<PbrMaterial, Material::PropertyLoader<PbrMaterial> >(m)
 130 {
 131         set_actions(shared_actions);
 132 }
 133
 134 PbrMaterial::Loader::Loader(PbrMaterial &m, Collection &c):
 135         DerivedObjectLoader<PbrMaterial, Material::PropertyLoader<PbrMaterial> >(m, c)
 136 {
 137         set_actions(shared_actions);
 138 }
 139
 140 void PbrMaterial::Loader::init_actions()
 141 {
 142         Material::PropertyLoader<PbrMaterial>::init_actions();
 143         add_property("base_color", &PbrMaterial::set_base_color, &PbrMaterial::set_base_color_map, true);
 144         add_property("normal", &PbrMaterial::set_normal_map);
 145         add_property("metalness", &PbrMaterial::set_metalness, &PbrMaterial::set_metalness_map);
 146         add_property("roughness", &PbrMaterial::set_roughness, &PbrMaterial::set_roughness_map);
 147         add_property("occlusion", &PbrMaterial::set_occlusion_map);
 148         add_property("emission", &PbrMaterial::set_emission, &PbrMaterial::set_emission_map, false);
 149 }
 150
 151 } // namespace GL
 152 } // namespace Msp