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Diffstat (limited to 'src/3rdparty/assimp/code/X3DImporter_Geometry3D.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/X3DImporter_Geometry3D.cpp | 998 |
1 files changed, 0 insertions, 998 deletions
diff --git a/src/3rdparty/assimp/code/X3DImporter_Geometry3D.cpp b/src/3rdparty/assimp/code/X3DImporter_Geometry3D.cpp deleted file mode 100644 index b2e9a28f8..000000000 --- a/src/3rdparty/assimp/code/X3DImporter_Geometry3D.cpp +++ /dev/null @@ -1,998 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2017, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above -copyright notice, this list of conditions and the -following disclaimer. - -* Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the -following disclaimer in the documentation and/or other -materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its -contributors may be used to endorse or promote products -derived from this software without specific prior -written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ -/// \file X3DImporter_Geometry3D.cpp -/// \brief Parsing data from nodes of "Geometry3D" set of X3D. -/// \date 2015-2016 -/// \author smal.root@gmail.com - -#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER - -#include "X3DImporter.hpp" -#include "X3DImporter_Macro.hpp" - -// Header files, Assimp. -#include "StandardShapes.h" - -namespace Assimp -{ - -// <Box -// DEF="" ID -// USE="" IDREF -// size="2 2 2" SFVec3f [initializeOnly] -// solid="true" SFBool [initializeOnly] -// /> -// The Box node specifies a rectangular parallelepiped box centred at (0, 0, 0) in the local coordinate system and aligned with the local coordinate axes. -// By default, the box measures 2 units in each dimension, from -1 to +1. The size field specifies the extents of the box along the X-, Y-, and Z-axes -// respectively and each component value shall be greater than zero. -void X3DImporter::ParseNode_Geometry3D_Box() -{ - std::string def, use; - bool solid = true; - aiVector3D size(2, 2, 2); - CX3DImporter_NodeElement* ne( nullptr ); - - MACRO_ATTRREAD_LOOPBEG; - MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use); - MACRO_ATTRREAD_CHECK_REF("size", size, XML_ReadNode_GetAttrVal_AsVec3f); - MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_LOOPEND; - - // if "USE" defined then find already defined element. - if(!use.empty()) - { - MACRO_USE_CHECKANDAPPLY(def, use, ENET_Box, ne); - } - else - { - // create and if needed - define new geometry object. - ne = new CX3DImporter_NodeElement_Geometry3D(CX3DImporter_NodeElement::ENET_Box, NodeElement_Cur); - if(!def.empty()) ne->ID = def; - - GeometryHelper_MakeQL_RectParallelepiped(size, ((CX3DImporter_NodeElement_Geometry3D*)ne)->Vertices);// get quad list - ((CX3DImporter_NodeElement_Geometry3D*)ne)->Solid = solid; - ((CX3DImporter_NodeElement_Geometry3D*)ne)->NumIndices = 4; - // check for X3DMetadataObject childs. - if(!mReader->isEmptyElement()) - ParseNode_Metadata(ne, "Box"); - else - NodeElement_Cur->Child.push_back(ne);// add made object as child to current element - - NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph - }// if(!use.empty()) else -} - -// <Cone -// DEF="" ID -// USE="" IDREF -// bottom="true" SFBool [initializeOnly] -// bottomRadius="1" SFloat [initializeOnly] -// height="2" SFloat [initializeOnly] -// side="true" SFBool [initializeOnly] -// solid="true" SFBool [initializeOnly] -// /> -void X3DImporter::ParseNode_Geometry3D_Cone() -{ - std::string use, def; - bool bottom = true; - float bottomRadius = 1; - float height = 2; - bool side = true; - bool solid = true; - CX3DImporter_NodeElement* ne( nullptr ); - - MACRO_ATTRREAD_LOOPBEG; - MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use); - MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("side", side, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("bottom", bottom, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("height", height, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_CHECK_RET("bottomRadius", bottomRadius, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_LOOPEND; - - // if "USE" defined then find already defined element. - if(!use.empty()) - { - MACRO_USE_CHECKANDAPPLY(def, use, ENET_Cone, ne); - } - else - { - const unsigned int tess = 30;///TODO: IME tesselation factor through ai_property - - std::vector<aiVector3D> tvec;// temp array for vertices. - - // create and if needed - define new geometry object. - ne = new CX3DImporter_NodeElement_Geometry3D(CX3DImporter_NodeElement::ENET_Cone, NodeElement_Cur); - if(!def.empty()) ne->ID = def; - - // make cone or parts according to flags. - if(side) - { - StandardShapes::MakeCone(height, 0, bottomRadius, tess, tvec, !bottom); - } - else if(bottom) - { - StandardShapes::MakeCircle(bottomRadius, tess, tvec); - height = -(height / 2); - for(std::vector<aiVector3D>::iterator it = tvec.begin(); it != tvec.end(); it++) it->y = height;// y - because circle made in oXZ. - } - - // copy data from temp array - for(std::vector<aiVector3D>::iterator it = tvec.begin(); it != tvec.end(); it++) ((CX3DImporter_NodeElement_Geometry3D*)ne)->Vertices.push_back(*it); - - ((CX3DImporter_NodeElement_Geometry3D*)ne)->Solid = solid; - ((CX3DImporter_NodeElement_Geometry3D*)ne)->NumIndices = 3; - // check for X3DMetadataObject childs. - if(!mReader->isEmptyElement()) - ParseNode_Metadata(ne, "Cone"); - else - NodeElement_Cur->Child.push_back(ne);// add made object as child to current element - - NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph - }// if(!use.empty()) else -} - -// <Cylinder -// DEF="" ID -// USE="" IDREF -// bottom="true" SFBool [initializeOnly] -// height="2" SFloat [initializeOnly] -// radius="1" SFloat [initializeOnly] -// side="true" SFBool [initializeOnly] -// solid="true" SFBool [initializeOnly] -// top="true" SFBool [initializeOnly] -// /> -void X3DImporter::ParseNode_Geometry3D_Cylinder() -{ - std::string use, def; - bool bottom = true; - float height = 2; - float radius = 1; - bool side = true; - bool solid = true; - bool top = true; - CX3DImporter_NodeElement* ne( nullptr ); - - MACRO_ATTRREAD_LOOPBEG; - MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use); - MACRO_ATTRREAD_CHECK_RET("radius", radius, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("bottom", bottom, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("top", top, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("side", side, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("height", height, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_LOOPEND; - - // if "USE" defined then find already defined element. - if(!use.empty()) - { - MACRO_USE_CHECKANDAPPLY(def, use, ENET_Cylinder, ne); - } - else - { - const unsigned int tess = 30;///TODO: IME tesselation factor through ai_property - - std::vector<aiVector3D> tside;// temp array for vertices of side. - std::vector<aiVector3D> tcir;// temp array for vertices of circle. - - // create and if needed - define new geometry object. - ne = new CX3DImporter_NodeElement_Geometry3D(CX3DImporter_NodeElement::ENET_Cylinder, NodeElement_Cur); - if(!def.empty()) ne->ID = def; - - // make cilynder or parts according to flags. - if(side) StandardShapes::MakeCone(height, radius, radius, tess, tside, true); - - height /= 2;// height defined for whole cylinder, when creating top and bottom circle we are using just half of height. - if(top || bottom) StandardShapes::MakeCircle(radius, tess, tcir); - // copy data from temp arrays - std::list<aiVector3D>& vlist = ((CX3DImporter_NodeElement_Geometry3D*)ne)->Vertices;// just short alias. - - for(std::vector<aiVector3D>::iterator it = tside.begin(); it != tside.end(); it++) vlist.push_back(*it); - - if(top) - { - for(std::vector<aiVector3D>::iterator it = tcir.begin(); it != tcir.end(); it++) - { - (*it).y = height;// y - because circle made in oXZ. - vlist.push_back(*it); - } - }// if(top) - - if(bottom) - { - for(std::vector<aiVector3D>::iterator it = tcir.begin(); it != tcir.end(); it++) - { - (*it).y = -height;// y - because circle made in oXZ. - vlist.push_back(*it); - } - }// if(top) - - ((CX3DImporter_NodeElement_Geometry3D*)ne)->Solid = solid; - ((CX3DImporter_NodeElement_Geometry3D*)ne)->NumIndices = 3; - // check for X3DMetadataObject childs. - if(!mReader->isEmptyElement()) - ParseNode_Metadata(ne, "Cylinder"); - else - NodeElement_Cur->Child.push_back(ne);// add made object as child to current element - - NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph - }// if(!use.empty()) else -} - -// <ElevationGrid -// DEF="" ID -// USE="" IDREF -// ccw="true" SFBool [initializeOnly] -// colorPerVertex="true" SFBool [initializeOnly] -// creaseAngle="0" SFloat [initializeOnly] -// height="" MFloat [initializeOnly] -// normalPerVertex="true" SFBool [initializeOnly] -// solid="true" SFBool [initializeOnly] -// xDimension="0" SFInt32 [initializeOnly] -// xSpacing="1.0" SFloat [initializeOnly] -// zDimension="0" SFInt32 [initializeOnly] -// zSpacing="1.0" SFloat [initializeOnly] -// > -// <!-- ColorNormalTexCoordContentModel --> -// ColorNormalTexCoordContentModel can contain Color (or ColorRGBA), Normal and TextureCoordinate, in any order. No more than one instance of any single -// node type is allowed. A ProtoInstance node (with the proper node type) can be substituted for any node in this content model. -// </ElevationGrid> -// The ElevationGrid node specifies a uniform rectangular grid of varying height in the Y=0 plane of the local coordinate system. The geometry is described -// by a scalar array of height values that specify the height of a surface above each point of the grid. The xDimension and zDimension fields indicate -// the number of elements of the grid height array in the X and Z directions. Both xDimension and zDimension shall be greater than or equal to zero. -// If either the xDimension or the zDimension is less than two, the ElevationGrid contains no quadrilaterals. -void X3DImporter::ParseNode_Geometry3D_ElevationGrid() -{ - std::string use, def; - bool ccw = true; - bool colorPerVertex = true; - float creaseAngle = 0; - std::vector<float> height; - bool normalPerVertex = true; - bool solid = true; - int32_t xDimension = 0; - float xSpacing = 1; - int32_t zDimension = 0; - float zSpacing = 1; - CX3DImporter_NodeElement* ne( nullptr ); - - MACRO_ATTRREAD_LOOPBEG; - MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use); - MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("ccw", ccw, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("colorPerVertex", colorPerVertex, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("normalPerVertex", normalPerVertex, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("creaseAngle", creaseAngle, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_CHECK_REF("height", height, XML_ReadNode_GetAttrVal_AsArrF); - MACRO_ATTRREAD_CHECK_RET("xDimension", xDimension, XML_ReadNode_GetAttrVal_AsI32); - MACRO_ATTRREAD_CHECK_RET("xSpacing", xSpacing, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_CHECK_RET("zDimension", zDimension, XML_ReadNode_GetAttrVal_AsI32); - MACRO_ATTRREAD_CHECK_RET("zSpacing", zSpacing, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_LOOPEND; - - // if "USE" defined then find already defined element. - if(!use.empty()) - { - MACRO_USE_CHECKANDAPPLY(def, use, ENET_ElevationGrid, ne); - } - else - { - if((xSpacing == 0.0f) || (zSpacing == 0.0f)) throw DeadlyImportError("Spacing in <ElevationGrid> must be grater than zero."); - if((xDimension <= 0) || (zDimension <= 0)) throw DeadlyImportError("Dimension in <ElevationGrid> must be grater than zero."); - if((size_t)(xDimension * zDimension) != height.size()) Throw_IncorrectAttrValue("Heights count must be equal to \"xDimension * zDimension\""); - - // create and if needed - define new geometry object. - ne = new CX3DImporter_NodeElement_ElevationGrid(CX3DImporter_NodeElement::ENET_ElevationGrid, NodeElement_Cur); - if(!def.empty()) ne->ID = def; - - CX3DImporter_NodeElement_ElevationGrid& grid_alias = *((CX3DImporter_NodeElement_ElevationGrid*)ne);// create alias for conveience - - {// create grid vertices list - std::vector<float>::const_iterator he_it = height.begin(); - - for(int32_t zi = 0; zi < zDimension; zi++)// rows - { - for(int32_t xi = 0; xi < xDimension; xi++)// columns - { - aiVector3D tvec(xSpacing * xi, *he_it, zSpacing * zi); - - grid_alias.Vertices.push_back(tvec); - he_it++; - } - } - }// END: create grid vertices list - // - // create faces list. In "coordIdx" format - // - // check if we have quads - if((xDimension < 2) || (zDimension < 2))// only one element in dimension is set, create line set. - { - ((CX3DImporter_NodeElement_ElevationGrid*)ne)->NumIndices = 2;// will be holded as line set. - for(size_t i = 0, i_e = (grid_alias.Vertices.size() - 1); i < i_e; i++) - { - grid_alias.CoordIdx.push_back(static_cast<int32_t>(i)); - grid_alias.CoordIdx.push_back(static_cast<int32_t>(i + 1)); - grid_alias.CoordIdx.push_back(-1); - } - } - else// two or more elements in every dimension is set. create quad set. - { - ((CX3DImporter_NodeElement_ElevationGrid*)ne)->NumIndices = 4; - for(int32_t fzi = 0, fzi_e = (zDimension - 1); fzi < fzi_e; fzi++)// rows - { - for(int32_t fxi = 0, fxi_e = (xDimension - 1); fxi < fxi_e; fxi++)// columns - { - // points direction in face. - if(ccw) - { - // CCW: - // 3 2 - // 0 1 - grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + fxi); - grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + (fxi + 1)); - grid_alias.CoordIdx.push_back(fzi * xDimension + (fxi + 1)); - grid_alias.CoordIdx.push_back(fzi * xDimension + fxi); - } - else - { - // CW: - // 0 1 - // 3 2 - grid_alias.CoordIdx.push_back(fzi * xDimension + fxi); - grid_alias.CoordIdx.push_back(fzi * xDimension + (fxi + 1)); - grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + (fxi + 1)); - grid_alias.CoordIdx.push_back((fzi + 1) * xDimension + fxi); - }// if(ccw) else - - grid_alias.CoordIdx.push_back(-1); - }// for(int32_t fxi = 0, fxi_e = (xDimension - 1); fxi < fxi_e; fxi++) - }// for(int32_t fzi = 0, fzi_e = (zDimension - 1); fzi < fzi_e; fzi++) - }// if((xDimension < 2) || (zDimension < 2)) else - - grid_alias.ColorPerVertex = colorPerVertex; - grid_alias.NormalPerVertex = normalPerVertex; - grid_alias.CreaseAngle = creaseAngle; - grid_alias.Solid = solid; - // check for child nodes - if(!mReader->isEmptyElement()) - { - ParseHelper_Node_Enter(ne); - MACRO_NODECHECK_LOOPBEGIN("ElevationGrid"); - // check for X3DComposedGeometryNodes - if(XML_CheckNode_NameEqual("Color")) { ParseNode_Rendering_Color(); continue; } - if(XML_CheckNode_NameEqual("ColorRGBA")) { ParseNode_Rendering_ColorRGBA(); continue; } - if(XML_CheckNode_NameEqual("Normal")) { ParseNode_Rendering_Normal(); continue; } - if(XML_CheckNode_NameEqual("TextureCoordinate")) { ParseNode_Texturing_TextureCoordinate(); continue; } - // check for X3DMetadataObject - if(!ParseHelper_CheckRead_X3DMetadataObject()) XML_CheckNode_SkipUnsupported("ElevationGrid"); - - MACRO_NODECHECK_LOOPEND("ElevationGrid"); - ParseHelper_Node_Exit(); - }// if(!mReader->isEmptyElement()) - else - { - NodeElement_Cur->Child.push_back(ne);// add made object as child to current element - }// if(!mReader->isEmptyElement()) else - - NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph - }// if(!use.empty()) else -} - -template<typename TVector> -static void GeometryHelper_Extrusion_CurveIsClosed(std::vector<TVector>& pCurve, const bool pDropTail, const bool pRemoveLastPoint, bool& pCurveIsClosed) -{ - size_t cur_sz = pCurve.size(); - - pCurveIsClosed = false; - // for curve with less than four points checking is have no sense, - if(cur_sz < 4) return; - - for(size_t s = 3, s_e = cur_sz; s < s_e; s++) - { - // search for first point of duplicated part. - if(pCurve[0] == pCurve[s]) - { - bool found = true; - - // check if tail(indexed by b2) is duplicate of head(indexed by b1). - for(size_t b1 = 1, b2 = (s + 1); b2 < cur_sz; b1++, b2++) - { - if(pCurve[b1] != pCurve[b2]) - {// points not match: clear flag and break loop. - found = false; - - break; - } - }// for(size_t b1 = 1, b2 = (s + 1); b2 < cur_sz; b1++, b2++) - - // if duplicate tail is found then drop or not it depending on flags. - if(found) - { - pCurveIsClosed = true; - if(pDropTail) - { - if(!pRemoveLastPoint) s++;// prepare value for iterator's arithmetics. - - pCurve.erase(pCurve.begin() + s, pCurve.end());// remove tail - } - - break; - }// if(found) - }// if(pCurve[0] == pCurve[s]) - }// for(size_t s = 3, s_e = (cur_sz - 1); s < s_e; s++) -} - -static aiVector3D GeometryHelper_Extrusion_GetNextY(const size_t pSpine_PointIdx, const std::vector<aiVector3D>& pSpine, const bool pSpine_Closed) -{ - const size_t spine_idx_last = pSpine.size() - 1; - aiVector3D tvec; - - if((pSpine_PointIdx == 0) || (pSpine_PointIdx == spine_idx_last))// at first special cases - { - if(pSpine_Closed) - {// If the spine curve is closed: The SCP for the first and last points is the same and is found using (spine[1] - spine[n - 2]) to compute the Y-axis. - // As we even for closed spine curve last and first point in pSpine are not the same: duplicates(spine[n - 1] which are equivalent to spine[0]) - // in tail are removed. - // So, last point in pSpine is a spine[n - 2] - tvec = pSpine[1] - pSpine[spine_idx_last]; - } - else if(pSpine_PointIdx == 0) - {// The Y-axis used for the first point is the vector from spine[0] to spine[1] - tvec = pSpine[1] - pSpine[0]; - } - else - {// The Y-axis used for the last point it is the vector from spine[n-2] to spine[n-1]. In our case(see above about droping tail) spine[n - 1] is - // the spine[0]. - tvec = pSpine[spine_idx_last] - pSpine[spine_idx_last - 1]; - } - }// if((pSpine_PointIdx == 0) || (pSpine_PointIdx == spine_idx_last)) - else - {// For all points other than the first or last: The Y-axis for spine[i] is found by normalizing the vector defined by (spine[i+1] - spine[i-1]). - tvec = pSpine[pSpine_PointIdx + 1] - pSpine[pSpine_PointIdx - 1]; - }// if((pSpine_PointIdx == 0) || (pSpine_PointIdx == spine_idx_last)) else - - return tvec.Normalize(); -} - -static aiVector3D GeometryHelper_Extrusion_GetNextZ(const size_t pSpine_PointIdx, const std::vector<aiVector3D>& pSpine, const bool pSpine_Closed, - const aiVector3D pVecZ_Prev) -{ - const aiVector3D zero_vec(0); - const size_t spine_idx_last = pSpine.size() - 1; - - aiVector3D tvec; - - // at first special cases - if(pSpine.size() < 3)// spine have not enough points for vector calculations. - { - tvec.Set(0, 0, 1); - } - else if(pSpine_PointIdx == 0)// special case: first point - { - if(pSpine_Closed)// for calculating use previous point in curve s[n - 2]. In list it's a last point, because point s[n - 1] was removed as duplicate. - { - tvec = (pSpine[1] - pSpine[0]) ^ (pSpine[spine_idx_last] - pSpine[0]); - } - else // for not closed curve first and next point(s[0] and s[1]) has the same vector Z. - { - bool found = false; - - // As said: "If the Z-axis of the first point is undefined (because the spine is not closed and the first two spine segments are collinear) - // then the Z-axis for the first spine point with a defined Z-axis is used." - // Walk through spine and find Z. - for(size_t next_point = 2; (next_point <= spine_idx_last) && !found; next_point++) - { - // (pSpine[2] - pSpine[1]) ^ (pSpine[0] - pSpine[1]) - tvec = (pSpine[next_point] - pSpine[next_point - 1]) ^ (pSpine[next_point - 2] - pSpine[next_point - 1]); - found = !tvec.Equal(zero_vec); - } - - // if entire spine are collinear then use OZ axis. - if(!found) tvec.Set(0, 0, 1); - }// if(pSpine_Closed) else - }// else if(pSpine_PointIdx == 0) - else if(pSpine_PointIdx == spine_idx_last)// special case: last point - { - if(pSpine_Closed) - {// do not forget that real last point s[n - 1] is removed as duplicated. And in this case we are calculating vector Z for point s[n - 2]. - tvec = (pSpine[0] - pSpine[pSpine_PointIdx]) ^ (pSpine[pSpine_PointIdx - 1] - pSpine[pSpine_PointIdx]); - // if taken spine vectors are collinear then use previous vector Z. - if(tvec.Equal(zero_vec)) tvec = pVecZ_Prev; - } - else - {// vector Z for last point of not closed curve is previous vector Z. - tvec = pVecZ_Prev; - } - } - else// regular point - { - tvec = (pSpine[pSpine_PointIdx + 1] - pSpine[pSpine_PointIdx]) ^ (pSpine[pSpine_PointIdx - 1] - pSpine[pSpine_PointIdx]); - // if taken spine vectors are collinear then use previous vector Z. - if(tvec.Equal(zero_vec)) tvec = pVecZ_Prev; - } - - // After determining the Z-axis, its dot product with the Z-axis of the previous spine point is computed. If this value is negative, the Z-axis - // is flipped (multiplied by -1). - if((tvec * pVecZ_Prev) < 0) tvec = -tvec; - - return tvec.Normalize(); -} - -// <Extrusion -// DEF="" ID -// USE="" IDREF -// beginCap="true" SFBool [initializeOnly] -// ccw="true" SFBool [initializeOnly] -// convex="true" SFBool [initializeOnly] -// creaseAngle="0.0" SFloat [initializeOnly] -// crossSection="1 1 1 -1 -1 -1 -1 1 1 1" MFVec2f [initializeOnly] -// endCap="true" SFBool [initializeOnly] -// orientation="0 0 1 0" MFRotation [initializeOnly] -// scale="1 1" MFVec2f [initializeOnly] -// solid="true" SFBool [initializeOnly] -// spine="0 0 0 0 1 0" MFVec3f [initializeOnly] -// /> -void X3DImporter::ParseNode_Geometry3D_Extrusion() -{ - std::string use, def; - bool beginCap = true; - bool ccw = true; - bool convex = true; - float creaseAngle = 0; - std::vector<aiVector2D> crossSection; - bool endCap = true; - std::vector<float> orientation; - std::vector<aiVector2D> scale; - bool solid = true; - std::vector<aiVector3D> spine; - CX3DImporter_NodeElement* ne( nullptr ); - - MACRO_ATTRREAD_LOOPBEG; - MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use); - MACRO_ATTRREAD_CHECK_RET("beginCap", beginCap, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("ccw", ccw, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("convex", convex, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("creaseAngle", creaseAngle, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_CHECK_REF("crossSection", crossSection, XML_ReadNode_GetAttrVal_AsArrVec2f); - MACRO_ATTRREAD_CHECK_RET("endCap", endCap, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_REF("orientation", orientation, XML_ReadNode_GetAttrVal_AsArrF); - MACRO_ATTRREAD_CHECK_REF("scale", scale, XML_ReadNode_GetAttrVal_AsArrVec2f); - MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_REF("spine", spine, XML_ReadNode_GetAttrVal_AsArrVec3f); - MACRO_ATTRREAD_LOOPEND; - - // if "USE" defined then find already defined element. - if(!use.empty()) - { - MACRO_USE_CHECKANDAPPLY(def, use, ENET_Extrusion, ne); - } - else - { - // - // check if default values must be assigned - // - if(spine.size() == 0) - { - spine.resize(2); - spine[0].Set(0, 0, 0), spine[1].Set(0, 1, 0); - } - else if(spine.size() == 1) - { - throw DeadlyImportError("ParseNode_Geometry3D_Extrusion. Spine must have at least two points."); - } - - if(crossSection.size() == 0) - { - crossSection.resize(5); - crossSection[0].Set(1, 1), crossSection[1].Set(1, -1), crossSection[2].Set(-1, -1), crossSection[3].Set(-1, 1), crossSection[4].Set(1, 1); - } - - {// orientation - size_t ori_size = orientation.size() / 4; - - if(ori_size < spine.size()) - { - float add_ori[4];// values that will be added - - if(ori_size == 1)// if "orientation" has one element(means one MFRotation with four components) then use it value for all spine points. - { - add_ori[0] = orientation[0], add_ori[1] = orientation[1], add_ori[2] = orientation[2], add_ori[3] = orientation[3]; - } - else// else - use default values - { - add_ori[0] = 0, add_ori[1] = 0, add_ori[2] = 1, add_ori[3] = 0; - } - - orientation.reserve(spine.size() * 4); - for(size_t i = 0, i_e = (spine.size() - ori_size); i < i_e; i++) - orientation.push_back(add_ori[0]), orientation.push_back(add_ori[1]), orientation.push_back(add_ori[2]), orientation.push_back(add_ori[3]); - } - - if(orientation.size() % 4) throw DeadlyImportError("Attribute \"orientation\" in <Extrusion> must has multiple four quantity of numbers."); - }// END: orientation - - {// scale - if(scale.size() < spine.size()) - { - aiVector2D add_sc; - - if(scale.size() == 1)// if "scale" has one element then use it value for all spine points. - add_sc = scale[0]; - else// else - use default values - add_sc.Set(1, 1); - - scale.reserve(spine.size()); - for(size_t i = 0, i_e = (spine.size() - scale.size()); i < i_e; i++) scale.push_back(add_sc); - } - }// END: scale - // - // create and if needed - define new geometry object. - // - ne = new CX3DImporter_NodeElement_IndexedSet(CX3DImporter_NodeElement::ENET_Extrusion, NodeElement_Cur); - if(!def.empty()) ne->ID = def; - - CX3DImporter_NodeElement_IndexedSet& ext_alias = *((CX3DImporter_NodeElement_IndexedSet*)ne);// create alias for conveience - // assign part of input data - ext_alias.CCW = ccw; - ext_alias.Convex = convex; - ext_alias.CreaseAngle = creaseAngle; - ext_alias.Solid = solid; - - // - // How we done it at all? - // 1. At first we will calculate array of basises for every point in spine(look SCP in ISO-dic). Also "orientation" vector - // are applied vor every basis. - // 2. After that we can create array of point sets: which are scaled, transferred to basis of relative basis and at final translated to real position - // using relative spine point. - // 3. Next step is creating CoordIdx array(do not forget "-1" delimiter). While creating CoordIdx also created faces for begin and end caps, if - // needed. While createing CootdIdx is taking in account CCW flag. - // 4. The last step: create Vertices list. - // - bool spine_closed;// flag: true if spine curve is closed. - bool cross_closed;// flag: true if cross curve is closed. - std::vector<aiMatrix3x3> basis_arr;// array of basises. ROW_a - X, ROW_b - Y, ROW_c - Z. - std::vector<std::vector<aiVector3D> > pointset_arr;// array of point sets: cross curves. - - // detect closed curves - GeometryHelper_Extrusion_CurveIsClosed(crossSection, true, true, cross_closed);// true - drop tail, true - remove duplicate end. - GeometryHelper_Extrusion_CurveIsClosed(spine, true, true, spine_closed);// true - drop tail, true - remove duplicate end. - // If both cap are requested and spine curve is closed then we can make only one cap. Because second cap will be the same surface. - if(spine_closed) - { - beginCap |= endCap; - endCap = false; - } - - {// 1. Calculate array of basises. - aiMatrix4x4 rotmat; - aiVector3D vecX(0), vecY(0), vecZ(0); - - basis_arr.resize(spine.size()); - for(size_t i = 0, i_e = spine.size(); i < i_e; i++) - { - aiVector3D tvec; - - // get axises of basis. - vecY = GeometryHelper_Extrusion_GetNextY(i, spine, spine_closed); - vecZ = GeometryHelper_Extrusion_GetNextZ(i, spine, spine_closed, vecZ); - vecX = (vecY ^ vecZ).Normalize(); - // get rotation matrix and apply "orientation" to basis - aiMatrix4x4::Rotation(orientation[i * 4 + 3], aiVector3D(orientation[i * 4], orientation[i * 4 + 1], orientation[i * 4 + 2]), rotmat); - tvec = vecX, tvec *= rotmat, basis_arr[i].a1 = tvec.x, basis_arr[i].a2 = tvec.y, basis_arr[i].a3 = tvec.z; - tvec = vecY, tvec *= rotmat, basis_arr[i].b1 = tvec.x, basis_arr[i].b2 = tvec.y, basis_arr[i].b3 = tvec.z; - tvec = vecZ, tvec *= rotmat, basis_arr[i].c1 = tvec.x, basis_arr[i].c2 = tvec.y, basis_arr[i].c3 = tvec.z; - }// for(size_t i = 0, i_e = spine.size(); i < i_e; i++) - }// END: 1. Calculate array of basises - - {// 2. Create array of point sets. - aiMatrix4x4 scmat; - std::vector<aiVector3D> tcross(crossSection.size()); - - pointset_arr.resize(spine.size()); - for(size_t spi = 0, spi_e = spine.size(); spi < spi_e; spi++) - { - aiVector3D tc23vec; - - tc23vec.Set(scale[spi].x, 0, scale[spi].y); - aiMatrix4x4::Scaling(tc23vec, scmat); - for(size_t cri = 0, cri_e = crossSection.size(); cri < cri_e; cri++) - { - aiVector3D tvecX, tvecY, tvecZ; - - tc23vec.Set(crossSection[cri].x, 0, crossSection[cri].y); - // apply scaling to point - tcross[cri] = scmat * tc23vec; - // - // transfer point to new basis - // calculate coordinate in new basis - tvecX.Set(basis_arr[spi].a1, basis_arr[spi].a2, basis_arr[spi].a3), tvecX *= tcross[cri].x; - tvecY.Set(basis_arr[spi].b1, basis_arr[spi].b2, basis_arr[spi].b3), tvecY *= tcross[cri].y; - tvecZ.Set(basis_arr[spi].c1, basis_arr[spi].c2, basis_arr[spi].c3), tvecZ *= tcross[cri].z; - // apply new coordinates and translate it to spine point. - tcross[cri] = tvecX + tvecY + tvecZ + spine[spi]; - }// for(size_t cri = 0, cri_e = crossSection.size(); cri < cri_e; i++) - - pointset_arr[spi] = tcross;// store transferred point set - }// for(size_t spi = 0, spi_e = spine.size(); spi < spi_e; i++) - }// END: 2. Create array of point sets. - - {// 3. Create CoordIdx. - // add caps if needed - if(beginCap) - { - // add cap as polygon. vertices of cap are places at begin, so just add numbers from zero. - for(size_t i = 0, i_e = crossSection.size(); i < i_e; i++) ext_alias.CoordIndex.push_back(static_cast<int32_t>(i)); - - // add delimiter - ext_alias.CoordIndex.push_back(-1); - }// if(beginCap) - - if(endCap) - { - // add cap as polygon. vertices of cap are places at end, as for beginCap use just sequence of numbers but with offset. - size_t beg = (pointset_arr.size() - 1) * crossSection.size(); - - for(size_t i = beg, i_e = (beg + crossSection.size()); i < i_e; i++) ext_alias.CoordIndex.push_back(static_cast<int32_t>(i)); - - // add delimiter - ext_alias.CoordIndex.push_back(-1); - }// if(beginCap) - - // add quads - for(size_t spi = 0, spi_e = (spine.size() - 1); spi <= spi_e; spi++) - { - const size_t cr_sz = crossSection.size(); - const size_t cr_last = crossSection.size() - 1; - - size_t right_col;// hold index basis for points of quad placed in right column; - - if(spi != spi_e) - right_col = spi + 1; - else if(spine_closed)// if spine curve is closed then one more quad is needed: between first and last points of curve. - right_col = 0; - else - break;// if spine curve is not closed then break the loop, because spi is out of range for that type of spine. - - for(size_t cri = 0; cri < cr_sz; cri++) - { - if(cri != cr_last) - { - MACRO_FACE_ADD_QUAD(ccw, ext_alias.CoordIndex, - static_cast<int32_t>(spi * cr_sz + cri), - static_cast<int32_t>(right_col * cr_sz + cri), - static_cast<int32_t>(right_col * cr_sz + cri + 1), - static_cast<int32_t>(spi * cr_sz + cri + 1)); - // add delimiter - ext_alias.CoordIndex.push_back(-1); - } - else if(cross_closed)// if cross curve is closed then one more quad is needed: between first and last points of curve. - { - MACRO_FACE_ADD_QUAD(ccw, ext_alias.CoordIndex, - static_cast<int32_t>(spi * cr_sz + cri), - static_cast<int32_t>(right_col * cr_sz + cri), - static_cast<int32_t>(right_col * cr_sz + 0), - static_cast<int32_t>(spi * cr_sz + 0)); - // add delimiter - ext_alias.CoordIndex.push_back(-1); - } - }// for(size_t cri = 0; cri < cr_sz; cri++) - }// for(size_t spi = 0, spi_e = (spine.size() - 2); spi < spi_e; spi++) - }// END: 3. Create CoordIdx. - - {// 4. Create vertices list. - // just copy all vertices - for(size_t spi = 0, spi_e = spine.size(); spi < spi_e; spi++) - { - for(size_t cri = 0, cri_e = crossSection.size(); cri < cri_e; cri++) - { - ext_alias.Vertices.push_back(pointset_arr[spi][cri]); - } - } - }// END: 4. Create vertices list. -//PrintVectorSet("Ext. CoordIdx", ext_alias.CoordIndex); -//PrintVectorSet("Ext. Vertices", ext_alias.Vertices); - // check for child nodes - if(!mReader->isEmptyElement()) - ParseNode_Metadata(ne, "Extrusion"); - else - NodeElement_Cur->Child.push_back(ne);// add made object as child to current element - - NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph - }// if(!use.empty()) else -} - -// <IndexedFaceSet -// DEF="" ID -// USE="" IDREF -// ccw="true" SFBool [initializeOnly] -// colorIndex="" MFInt32 [initializeOnly] -// colorPerVertex="true" SFBool [initializeOnly] -// convex="true" SFBool [initializeOnly] -// coordIndex="" MFInt32 [initializeOnly] -// creaseAngle="0" SFFloat [initializeOnly] -// normalIndex="" MFInt32 [initializeOnly] -// normalPerVertex="true" SFBool [initializeOnly] -// solid="true" SFBool [initializeOnly] -// texCoordIndex="" MFInt32 [initializeOnly] -// > -// <!-- ComposedGeometryContentModel --> -// ComposedGeometryContentModel is the child-node content model corresponding to X3DComposedGeometryNodes. It can contain Color (or ColorRGBA), Coordinate, -// Normal and TextureCoordinate, in any order. No more than one instance of these nodes is allowed. Multiple VertexAttribute (FloatVertexAttribute, -// Matrix3VertexAttribute, Matrix4VertexAttribute) nodes can also be contained. -// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model. -// </IndexedFaceSet> -void X3DImporter::ParseNode_Geometry3D_IndexedFaceSet() -{ - std::string use, def; - bool ccw = true; - std::vector<int32_t> colorIndex; - bool colorPerVertex = true; - bool convex = true; - std::vector<int32_t> coordIndex; - float creaseAngle = 0; - std::vector<int32_t> normalIndex; - bool normalPerVertex = true; - bool solid = true; - std::vector<int32_t> texCoordIndex; - CX3DImporter_NodeElement* ne( nullptr ); - - MACRO_ATTRREAD_LOOPBEG; - MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use); - MACRO_ATTRREAD_CHECK_RET("ccw", ccw, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_REF("colorIndex", colorIndex, XML_ReadNode_GetAttrVal_AsArrI32); - MACRO_ATTRREAD_CHECK_RET("colorPerVertex", colorPerVertex, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("convex", convex, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_REF("coordIndex", coordIndex, XML_ReadNode_GetAttrVal_AsArrI32); - MACRO_ATTRREAD_CHECK_RET("creaseAngle", creaseAngle, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_CHECK_REF("normalIndex", normalIndex, XML_ReadNode_GetAttrVal_AsArrI32); - MACRO_ATTRREAD_CHECK_RET("normalPerVertex", normalPerVertex, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_CHECK_REF("texCoordIndex", texCoordIndex, XML_ReadNode_GetAttrVal_AsArrI32); - MACRO_ATTRREAD_LOOPEND; - - // if "USE" defined then find already defined element. - if(!use.empty()) - { - MACRO_USE_CHECKANDAPPLY(def, use, ENET_IndexedFaceSet, ne); - } - else - { - // check data - if(coordIndex.size() == 0) throw DeadlyImportError("IndexedFaceSet must contain not empty \"coordIndex\" attribute."); - - // create and if needed - define new geometry object. - ne = new CX3DImporter_NodeElement_IndexedSet(CX3DImporter_NodeElement::ENET_IndexedFaceSet, NodeElement_Cur); - if(!def.empty()) ne->ID = def; - - CX3DImporter_NodeElement_IndexedSet& ne_alias = *((CX3DImporter_NodeElement_IndexedSet*)ne); - - ne_alias.CCW = ccw; - ne_alias.ColorIndex = colorIndex; - ne_alias.ColorPerVertex = colorPerVertex; - ne_alias.Convex = convex; - ne_alias.CoordIndex = coordIndex; - ne_alias.CreaseAngle = creaseAngle; - ne_alias.NormalIndex = normalIndex; - ne_alias.NormalPerVertex = normalPerVertex; - ne_alias.Solid = solid; - ne_alias.TexCoordIndex = texCoordIndex; - // check for child nodes - if(!mReader->isEmptyElement()) - { - ParseHelper_Node_Enter(ne); - MACRO_NODECHECK_LOOPBEGIN("IndexedFaceSet"); - // check for X3DComposedGeometryNodes - if(XML_CheckNode_NameEqual("Color")) { ParseNode_Rendering_Color(); continue; } - if(XML_CheckNode_NameEqual("ColorRGBA")) { ParseNode_Rendering_ColorRGBA(); continue; } - if(XML_CheckNode_NameEqual("Coordinate")) { ParseNode_Rendering_Coordinate(); continue; } - if(XML_CheckNode_NameEqual("Normal")) { ParseNode_Rendering_Normal(); continue; } - if(XML_CheckNode_NameEqual("TextureCoordinate")) { ParseNode_Texturing_TextureCoordinate(); continue; } - // check for X3DMetadataObject - if(!ParseHelper_CheckRead_X3DMetadataObject()) XML_CheckNode_SkipUnsupported("IndexedFaceSet"); - - MACRO_NODECHECK_LOOPEND("IndexedFaceSet"); - ParseHelper_Node_Exit(); - }// if(!mReader->isEmptyElement()) - else - { - NodeElement_Cur->Child.push_back(ne);// add made object as child to current element - } - - NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph - }// if(!use.empty()) else -} - -// <Sphere -// DEF="" ID -// USE="" IDREF -// radius="1" SFloat [initializeOnly] -// solid="true" SFBool [initializeOnly] -// /> -void X3DImporter::ParseNode_Geometry3D_Sphere() -{ - std::string use, def; - ai_real radius = 1; - bool solid = true; - CX3DImporter_NodeElement* ne( nullptr ); - - MACRO_ATTRREAD_LOOPBEG; - MACRO_ATTRREAD_CHECKUSEDEF_RET(def, use); - MACRO_ATTRREAD_CHECK_RET("radius", radius, XML_ReadNode_GetAttrVal_AsFloat); - MACRO_ATTRREAD_CHECK_RET("solid", solid, XML_ReadNode_GetAttrVal_AsBool); - MACRO_ATTRREAD_LOOPEND; - - // if "USE" defined then find already defined element. - if(!use.empty()) - { - MACRO_USE_CHECKANDAPPLY(def, use, ENET_Sphere, ne); - } - else - { - const unsigned int tess = 3;///TODO: IME tesselation factor through ai_property - - std::vector<aiVector3D> tlist; - - // create and if needed - define new geometry object. - ne = new CX3DImporter_NodeElement_Geometry3D(CX3DImporter_NodeElement::ENET_Sphere, NodeElement_Cur); - if(!def.empty()) ne->ID = def; - - StandardShapes::MakeSphere(tess, tlist); - // copy data from temp array and apply scale - for(std::vector<aiVector3D>::iterator it = tlist.begin(); it != tlist.end(); it++) - { - ((CX3DImporter_NodeElement_Geometry3D*)ne)->Vertices.push_back(*it * radius); - } - - ((CX3DImporter_NodeElement_Geometry3D*)ne)->Solid = solid; - ((CX3DImporter_NodeElement_Geometry3D*)ne)->NumIndices = 3; - // check for X3DMetadataObject childs. - if(!mReader->isEmptyElement()) - ParseNode_Metadata(ne, "Sphere"); - else - NodeElement_Cur->Child.push_back(ne);// add made object as child to current element - - NodeElement_List.push_back(ne);// add element to node element list because its a new object in graph - }// if(!use.empty()) else -} - -}// namespace Assimp - -#endif // !ASSIMP_BUILD_NO_X3D_IMPORTER |