X3DImporter_Light.cpp 9.4 KB

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  1. /// \file X3DImporter_Light.cpp
  2. /// \brief Parsing data from nodes of "Lighting" set of X3D.
  3. /// \date 2015-2016
  4. /// \author [email protected]
  5. #ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
  6. #include "X3DImporter.hpp"
  7. #include "X3DImporter_Macro.hpp"
  8. namespace Assimp
  9. {
  10. // <DirectionalLight
  11. // DEF="" ID
  12. // USE="" IDREF
  13. // ambientIntensity="0" SFFloat [inputOutput]
  14. // color="1 1 1" SFColor [inputOutput]
  15. // direction="0 0 -1" SFVec3f [inputOutput]
  16. // global="false" SFBool [inputOutput]
  17. // intensity="1" SFFloat [inputOutput]
  18. // on="true" SFBool [inputOutput]
  19. // />
  20. void X3DImporter::ParseNode_Lighting_DirectionalLight()
  21. {
  22. std::string def, use;
  23. float ambientIntensity = 0;
  24. aiColor3D color(1, 1, 1);
  25. aiVector3D direction(0, 0, -1);
  26. bool global = false;
  27. float intensity = 1;
  28. bool on = true;
  29. CX3DImporter_NodeElement* ne;
  30. MACRO_ATTRREAD_LOOPBEG;
  31. MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
  32. MACRO_ATTRREAD_CHECK_RET("ambientIntensity", ambientIntensity, XML_ReadNode_GetAttrVal_AsFloat);
  33. MACRO_ATTRREAD_CHECK_REF("color", color, XML_ReadNode_GetAttrVal_AsCol3f);
  34. MACRO_ATTRREAD_CHECK_REF("direction", direction, XML_ReadNode_GetAttrVal_AsVec3f);
  35. MACRO_ATTRREAD_CHECK_RET("global", global, XML_ReadNode_GetAttrVal_AsBool);
  36. MACRO_ATTRREAD_CHECK_RET("intensity", intensity, XML_ReadNode_GetAttrVal_AsFloat);
  37. MACRO_ATTRREAD_CHECK_RET("on", on, XML_ReadNode_GetAttrVal_AsBool);
  38. MACRO_ATTRREAD_LOOPEND;
  39. // if "USE" defined then find already defined element.
  40. if(!use.empty())
  41. {
  42. MACRO_USE_CHECKANDAPPLY(def, use, ENET_DirectionalLight, ne);
  43. }
  44. else
  45. {
  46. if(on)
  47. {
  48. // create and if needed - define new geometry object.
  49. ne = new CX3DImporter_NodeElement_Light(CX3DImporter_NodeElement::ENET_DirectionalLight, NodeElement_Cur);
  50. if(!def.empty())
  51. ne->ID = def;
  52. else
  53. ne->ID = "DirectionalLight_" + std::to_string((size_t)ne);// make random name
  54. ((CX3DImporter_NodeElement_Light*)ne)->AmbientIntensity = ambientIntensity;
  55. ((CX3DImporter_NodeElement_Light*)ne)->Color = color;
  56. ((CX3DImporter_NodeElement_Light*)ne)->Direction = direction;
  57. ((CX3DImporter_NodeElement_Light*)ne)->Global = global;
  58. ((CX3DImporter_NodeElement_Light*)ne)->Intensity = intensity;
  59. // Assimp want a node with name similar to a light. "Why? I don't no." )
  60. ParseHelper_Group_Begin(false);
  61. NodeElement_Cur->ID = ne->ID;// assign name to node and return to light element.
  62. ParseHelper_Node_Exit();
  63. // check for child nodes
  64. if(!mReader->isEmptyElement())
  65. ParseNode_Metadata(ne, "DirectionalLight");
  66. else
  67. NodeElement_Cur->Child.push_back(ne);// add made object as child to current element
  68. NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph
  69. }// if(on)
  70. }// if(!use.empty()) else
  71. }
  72. // <PointLight
  73. // DEF="" ID
  74. // USE="" IDREF
  75. // ambientIntensity="0" SFFloat [inputOutput]
  76. // attenuation="1 0 0" SFVec3f [inputOutput]
  77. // color="1 1 1" SFColor [inputOutput]
  78. // global="true" SFBool [inputOutput]
  79. // intensity="1" SFFloat [inputOutput]
  80. // location="0 0 0" SFVec3f [inputOutput]
  81. // on="true" SFBool [inputOutput]
  82. // radius="100" SFFloat [inputOutput]
  83. // />
  84. void X3DImporter::ParseNode_Lighting_PointLight()
  85. {
  86. std::string def, use;
  87. float ambientIntensity = 0;
  88. aiVector3D attenuation(1, 0, 0);
  89. aiColor3D color(1, 1, 1);
  90. bool global = true;
  91. float intensity = 1;
  92. aiVector3D location(0, 0, 0);
  93. bool on = true;
  94. float radius = 100;
  95. CX3DImporter_NodeElement* ne;
  96. MACRO_ATTRREAD_LOOPBEG;
  97. MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
  98. MACRO_ATTRREAD_CHECK_RET("ambientIntensity", ambientIntensity, XML_ReadNode_GetAttrVal_AsFloat);
  99. MACRO_ATTRREAD_CHECK_REF("attenuation", attenuation, XML_ReadNode_GetAttrVal_AsVec3f);
  100. MACRO_ATTRREAD_CHECK_REF("color", color, XML_ReadNode_GetAttrVal_AsCol3f);
  101. MACRO_ATTRREAD_CHECK_RET("global", global, XML_ReadNode_GetAttrVal_AsBool);
  102. MACRO_ATTRREAD_CHECK_RET("intensity", intensity, XML_ReadNode_GetAttrVal_AsFloat);
  103. MACRO_ATTRREAD_CHECK_REF("location", location, XML_ReadNode_GetAttrVal_AsVec3f);
  104. MACRO_ATTRREAD_CHECK_RET("on", on, XML_ReadNode_GetAttrVal_AsBool);
  105. MACRO_ATTRREAD_CHECK_RET("radius", radius, XML_ReadNode_GetAttrVal_AsFloat);
  106. MACRO_ATTRREAD_LOOPEND;
  107. // if "USE" defined then find already defined element.
  108. if(!use.empty())
  109. {
  110. MACRO_USE_CHECKANDAPPLY(def, use, ENET_PointLight, ne);
  111. }
  112. else
  113. {
  114. if(on)
  115. {
  116. // create and if needed - define new geometry object.
  117. ne = new CX3DImporter_NodeElement_Light(CX3DImporter_NodeElement::ENET_PointLight, NodeElement_Cur);
  118. if(!def.empty()) ne->ID = def;
  119. ((CX3DImporter_NodeElement_Light*)ne)->AmbientIntensity = ambientIntensity;
  120. ((CX3DImporter_NodeElement_Light*)ne)->Attenuation = attenuation;
  121. ((CX3DImporter_NodeElement_Light*)ne)->Color = color;
  122. ((CX3DImporter_NodeElement_Light*)ne)->Global = global;
  123. ((CX3DImporter_NodeElement_Light*)ne)->Intensity = intensity;
  124. ((CX3DImporter_NodeElement_Light*)ne)->Location = location;
  125. ((CX3DImporter_NodeElement_Light*)ne)->Radius = radius;
  126. // Assimp want a node with name similar to a light. "Why? I don't no." )
  127. ParseHelper_Group_Begin(false);
  128. // make random name
  129. if(ne->ID.empty()) ne->ID = "PointLight_" + std::to_string((size_t)ne);
  130. NodeElement_Cur->ID = ne->ID;// assign name to node and return to light element.
  131. ParseHelper_Node_Exit();
  132. // check for child nodes
  133. if(!mReader->isEmptyElement())
  134. ParseNode_Metadata(ne, "PointLight");
  135. else
  136. NodeElement_Cur->Child.push_back(ne);// add made object as child to current element
  137. NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph
  138. }// if(on)
  139. }// if(!use.empty()) else
  140. }
  141. // <SpotLight
  142. // DEF="" ID
  143. // USE="" IDREF
  144. // ambientIntensity="0" SFFloat [inputOutput]
  145. // attenuation="1 0 0" SFVec3f [inputOutput]
  146. // beamWidth="0.7854" SFFloat [inputOutput]
  147. // color="1 1 1" SFColor [inputOutput]
  148. // cutOffAngle="1.570796" SFFloat [inputOutput]
  149. // direction="0 0 -1" SFVec3f [inputOutput]
  150. // global="true" SFBool [inputOutput]
  151. // intensity="1" SFFloat [inputOutput]
  152. // location="0 0 0" SFVec3f [inputOutput]
  153. // on="true" SFBool [inputOutput]
  154. // radius="100" SFFloat [inputOutput]
  155. // />
  156. void X3DImporter::ParseNode_Lighting_SpotLight()
  157. {
  158. std::string def, use;
  159. float ambientIntensity = 0;
  160. aiVector3D attenuation(1, 0, 0);
  161. float beamWidth = 0.7854f;
  162. aiColor3D color(1, 1, 1);
  163. float cutOffAngle = 1.570796f;
  164. aiVector3D direction(0, 0, -1);
  165. bool global = true;
  166. float intensity = 1;
  167. aiVector3D location(0, 0, 0);
  168. bool on = true;
  169. float radius = 100;
  170. CX3DImporter_NodeElement* ne;
  171. MACRO_ATTRREAD_LOOPBEG;
  172. MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use);
  173. MACRO_ATTRREAD_CHECK_RET("ambientIntensity", ambientIntensity, XML_ReadNode_GetAttrVal_AsFloat);
  174. MACRO_ATTRREAD_CHECK_REF("attenuation", attenuation, XML_ReadNode_GetAttrVal_AsVec3f);
  175. MACRO_ATTRREAD_CHECK_RET("beamWidth", beamWidth, XML_ReadNode_GetAttrVal_AsFloat);
  176. MACRO_ATTRREAD_CHECK_REF("color", color, XML_ReadNode_GetAttrVal_AsCol3f);
  177. MACRO_ATTRREAD_CHECK_RET("cutOffAngle", cutOffAngle, XML_ReadNode_GetAttrVal_AsFloat);
  178. MACRO_ATTRREAD_CHECK_REF("direction", direction, XML_ReadNode_GetAttrVal_AsVec3f);
  179. MACRO_ATTRREAD_CHECK_RET("global", global, XML_ReadNode_GetAttrVal_AsBool);
  180. MACRO_ATTRREAD_CHECK_RET("intensity", intensity, XML_ReadNode_GetAttrVal_AsFloat);
  181. MACRO_ATTRREAD_CHECK_REF("location", location, XML_ReadNode_GetAttrVal_AsVec3f);
  182. MACRO_ATTRREAD_CHECK_RET("on", on, XML_ReadNode_GetAttrVal_AsBool);
  183. MACRO_ATTRREAD_CHECK_RET("radius", radius, XML_ReadNode_GetAttrVal_AsFloat);
  184. MACRO_ATTRREAD_LOOPEND;
  185. // if "USE" defined then find already defined element.
  186. if(!use.empty())
  187. {
  188. MACRO_USE_CHECKANDAPPLY(def, use, ENET_SpotLight, ne);
  189. }
  190. else
  191. {
  192. if(on)
  193. {
  194. // create and if needed - define new geometry object.
  195. ne = new CX3DImporter_NodeElement_Light(CX3DImporter_NodeElement::ENET_SpotLight, NodeElement_Cur);
  196. if(!def.empty()) ne->ID = def;
  197. if(beamWidth > cutOffAngle) beamWidth = cutOffAngle;
  198. ((CX3DImporter_NodeElement_Light*)ne)->AmbientIntensity = ambientIntensity;
  199. ((CX3DImporter_NodeElement_Light*)ne)->Attenuation = attenuation;
  200. ((CX3DImporter_NodeElement_Light*)ne)->BeamWidth = beamWidth;
  201. ((CX3DImporter_NodeElement_Light*)ne)->Color = color;
  202. ((CX3DImporter_NodeElement_Light*)ne)->CutOffAngle = cutOffAngle;
  203. ((CX3DImporter_NodeElement_Light*)ne)->Direction = direction;
  204. ((CX3DImporter_NodeElement_Light*)ne)->Global = global;
  205. ((CX3DImporter_NodeElement_Light*)ne)->Intensity = intensity;
  206. ((CX3DImporter_NodeElement_Light*)ne)->Location = location;
  207. ((CX3DImporter_NodeElement_Light*)ne)->Radius = radius;
  208. // Assimp want a node with name similar to a light. "Why? I don't no." )
  209. ParseHelper_Group_Begin(false);
  210. // make random name
  211. if(ne->ID.empty()) ne->ID = "SpotLight_" + std::to_string((size_t)ne);
  212. NodeElement_Cur->ID = ne->ID;// assign name to node and return to light element.
  213. ParseHelper_Node_Exit();
  214. // check for child nodes
  215. if(!mReader->isEmptyElement())
  216. ParseNode_Metadata(ne, "SpotLight");
  217. else
  218. NodeElement_Cur->Child.push_back(ne);// add made object as child to current element
  219. NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph
  220. }// if(on)
  221. }// if(!use.empty()) else
  222. }
  223. }// namespace Assimp
  224. #endif // !ASSIMP_BUILD_NO_X3D_IMPORTER