add assimp submodule

1 files changed, 277 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Group.cpp b/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Group.cpp
new file mode 100644
index 0000000..e7a2e91
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/X3D/X3DImporter_Group.cpp
@@ -0,0 +1,277 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2019, 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_Group.cpp
+/// \brief  Parsing data from nodes of "Grouping" set of X3D.
+/// date   2015-2016
+/// author smal.root@gmail.com
+
+#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
+
+#include "X3DImporter.hpp"
+#include "X3DImporter_Macro.hpp"
+#include "X3DXmlHelper.h"
+
+namespace Assimp {
+
+// <Group
+// DEF=""              ID
+// USE=""              IDREF
+// bboxCenter="0 0 0"  SFVec3f [initializeOnly]
+// bboxSize="-1 -1 -1" SFVec3f [initializeOnly]
+// >
+//    <\!-- ChildContentModel -->
+// ChildContentModel is the child-node content model corresponding to X3DChildNode, combining all profiles. ChildContentModel can contain most nodes,
+// other Grouping nodes, Prototype declarations and ProtoInstances in any order and any combination. When the assigned profile is less than Full, the
+// precise palette of legal nodes that are available depends on assigned profile and components.
+// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model.
+// </Group>
+// A Group node contains children nodes without introducing a new transformation. It is equivalent to a Transform node containing an identity transform.
+void X3DImporter::startReadGroup(XmlNode &node) {
+    std::string def, use;
+
+    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
+
+    // if "USE" defined then find already defined element.
+    if (!use.empty()) {
+        X3DNodeElementBase *ne(nullptr);
+        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Group, ne);
+    } else {
+        ParseHelper_Group_Begin(); // create new grouping element and go deeper if node has children.
+        // at this place new group mode created and made current, so we can name it.
+        if (!def.empty()) mNodeElementCur->ID = def;
+        // in grouping set of nodes check X3DMetadataObject is not needed, because it is done in <Scene> parser function.
+
+        // for empty element exit from node in that place
+        if (isNodeEmpty(node)) ParseHelper_Node_Exit();
+    } // if(!use.empty()) else
+}
+
+void X3DImporter::endReadGroup() {
+    ParseHelper_Node_Exit(); // go up in scene graph
+}
+
+// <StaticGroup
+// DEF=""              ID
+// USE=""              IDREF
+// bboxCenter="0 0 0"  SFVec3f [initializeOnly]
+// bboxSize="-1 -1 -1" SFVec3f [initializeOnly]
+// >
+//    <\!-- ChildContentModel -->
+// ChildContentModel is the child-node content model corresponding to X3DChildNode, combining all profiles. ChildContentModel can contain most nodes,
+// other Grouping nodes, Prototype declarations and ProtoInstances in any order and any combination. When the assigned profile is less than Full, the
+// precise palette of legal nodes that are available depends on assigned profile and components.
+// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model.
+// </StaticGroup>
+// The StaticGroup node contains children nodes which cannot be modified. StaticGroup children are guaranteed to not change, send events, receive events or
+// contain any USE references outside the StaticGroup.
+void X3DImporter::startReadStaticGroup(XmlNode &node) {
+    std::string def, use;
+
+    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
+
+    // if "USE" defined then find already defined element.
+    if (!use.empty()) {
+        X3DNodeElementBase *ne(nullptr);
+
+        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Group, ne);
+    } else {
+        ParseHelper_Group_Begin(true); // create new grouping element and go deeper if node has children.
+        // at this place new group mode created and made current, so we can name it.
+        if (!def.empty()) mNodeElementCur->ID = def;
+        // in grouping set of nodes check X3DMetadataObject is not needed, because it is done in <Scene> parser function.
+
+        // for empty element exit from node in that place
+        if (isNodeEmpty(node)) ParseHelper_Node_Exit();
+    } // if(!use.empty()) else
+}
+
+void X3DImporter::endReadStaticGroup() {
+    ParseHelper_Node_Exit(); // go up in scene graph
+}
+
+// <Switch
+// DEF=""              ID
+// USE=""              IDREF
+// bboxCenter="0 0 0"  SFVec3f [initializeOnly]
+// bboxSize="-1 -1 -1" SFVec3f [initializeOnly]
+// whichChoice="-1"    SFInt32 [inputOutput]
+// >
+//    <\!-- ChildContentModel -->
+// ChildContentModel is the child-node content model corresponding to X3DChildNode, combining all profiles. ChildContentModel can contain most nodes,
+// other Grouping nodes, Prototype declarations and ProtoInstances in any order and any combination. When the assigned profile is less than Full, the
+// precise palette of legal nodes that are available depends on assigned profile and components.
+// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model.
+// </Switch>
+// The Switch grouping node traverses zero or one of the nodes specified in the children field. The whichChoice field specifies the index of the child
+// to traverse, with the first child having index 0. If whichChoice is less than zero or greater than the number of nodes in the children field, nothing
+// is chosen.
+void X3DImporter::startReadSwitch(XmlNode &node) {
+    std::string def, use;
+    int32_t whichChoice = -1;
+
+    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
+    XmlParser::getIntAttribute(node, "whichChoice", whichChoice);
+
+    // if "USE" defined then find already defined element.
+    if (!use.empty()) {
+        X3DNodeElementBase *ne(nullptr);
+
+        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Group, ne);
+    } else {
+        ParseHelper_Group_Begin(); // create new grouping element and go deeper if node has children.
+        // at this place new group mode created and made current, so we can name it.
+        if (!def.empty()) mNodeElementCur->ID = def;
+
+        // also set values specific to this type of group
+        ((X3DNodeElementGroup *)mNodeElementCur)->UseChoice = true;
+        ((X3DNodeElementGroup *)mNodeElementCur)->Choice = whichChoice;
+        // in grouping set of nodes check X3DMetadataObject is not needed, because it is done in <Scene> parser function.
+
+        // for empty element exit from node in that place
+        if (isNodeEmpty(node)) ParseHelper_Node_Exit();
+    } // if(!use.empty()) else
+}
+
+void X3DImporter::endReadSwitch() {
+    // just exit from node. Defined choice will be accepted at postprocessing stage.
+    ParseHelper_Node_Exit(); // go up in scene graph
+}
+
+// <Transform
+// DEF=""                     ID
+// USE=""                     IDREF
+// bboxCenter="0 0 0"         SFVec3f    [initializeOnly]
+// bboxSize="-1 -1 -1"        SFVec3f    [initializeOnly]
+// center="0 0 0"             SFVec3f    [inputOutput]
+// rotation="0 0 1 0"         SFRotation [inputOutput]
+// scale="1 1 1"              SFVec3f    [inputOutput]
+// scaleOrientation="0 0 1 0" SFRotation [inputOutput]
+// translation="0 0 0"        SFVec3f    [inputOutput]
+// >
+//    <\!-- ChildContentModel -->
+// ChildContentModel is the child-node content model corresponding to X3DChildNode, combining all profiles. ChildContentModel can contain most nodes,
+// other Grouping nodes, Prototype declarations and ProtoInstances in any order and any combination. When the assigned profile is less than Full, the
+// precise palette of legal nodes that are available depends on assigned profile and components.
+// A ProtoInstance node (with the proper node type) can be substituted for any node in this content model.
+// </Transform>
+// The Transform node is a grouping node that defines a coordinate system for its children that is relative to the coordinate systems of its ancestors.
+// Given a 3-dimensional point P and Transform node, P is transformed into point P' in its parent's coordinate system by a series of intermediate
+// transformations. In matrix transformation notation, where C (center), SR (scaleOrientation), T (translation), R (rotation), and S (scale) are the
+// equivalent transformation matrices,
+//   P' = T * C * R * SR * S * -SR * -C * P
+void X3DImporter::startReadTransform(XmlNode &node) {
+    aiVector3D center(0, 0, 0);
+    float rotation[4] = { 0, 0, 1, 0 };
+    aiVector3D scale(1, 1, 1); // A value of zero indicates that any child geometry shall not be displayed
+    float scale_orientation[4] = { 0, 0, 1, 0 };
+    aiVector3D translation(0, 0, 0);
+    aiMatrix4x4 matr, tmatr;
+    std::string use, def;
+
+    MACRO_ATTRREAD_CHECKUSEDEF_RET(node, def, use);
+    X3DXmlHelper::getVector3DAttribute(node, "center", center);
+    X3DXmlHelper::getVector3DAttribute(node, "scale", scale);
+    X3DXmlHelper::getVector3DAttribute(node, "translation", translation);
+    std::vector<float> tvec;
+    if (X3DXmlHelper::getFloatArrayAttribute(node, "rotation", tvec)) {
+        if (tvec.size() != 4) throw DeadlyImportError("<Transform>: rotation vector must have 4 elements.");
+        memcpy(rotation, tvec.data(), sizeof(rotation));
+        tvec.clear();
+    }
+    if (X3DXmlHelper::getFloatArrayAttribute(node, "scaleOrientation", tvec)) {
+        if (tvec.size() != 4) throw DeadlyImportError("<Transform>: scaleOrientation vector must have 4 elements.");
+        memcpy(scale_orientation, tvec.data(), sizeof(scale_orientation));
+        tvec.clear();
+    }
+
+    // if "USE" defined then find already defined element.
+    if (!use.empty()) {
+        X3DNodeElementBase *ne(nullptr);
+        bool newgroup = (nullptr == mNodeElementCur);
+        if(newgroup)
+            ParseHelper_Group_Begin();
+        ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Group, ne);
+        if (newgroup && isNodeEmpty(node)) {
+            ParseHelper_Node_Exit();
+        }
+    } else {
+        ParseHelper_Group_Begin(); // create new grouping element and go deeper if node has children.
+        // at this place new group mode created and made current, so we can name it.
+        if (!def.empty()) {
+            mNodeElementCur->ID = def;
+        }
+
+        //
+        // also set values specific to this type of group
+        //
+        // calculate transformation matrix
+        aiMatrix4x4::Translation(translation, matr); // T
+        aiMatrix4x4::Translation(center, tmatr); // C
+        matr *= tmatr;
+        aiMatrix4x4::Rotation(rotation[3], aiVector3D(rotation[0], rotation[1], rotation[2]), tmatr); // R
+        matr *= tmatr;
+        aiMatrix4x4::Rotation(scale_orientation[3], aiVector3D(scale_orientation[0], scale_orientation[1], scale_orientation[2]), tmatr); // SR
+        matr *= tmatr;
+        aiMatrix4x4::Scaling(scale, tmatr); // S
+        matr *= tmatr;
+        aiMatrix4x4::Rotation(-scale_orientation[3], aiVector3D(scale_orientation[0], scale_orientation[1], scale_orientation[2]), tmatr); // -SR
+        matr *= tmatr;
+        aiMatrix4x4::Translation(-center, tmatr); // -C
+        matr *= tmatr;
+        // and assign it
+        ((X3DNodeElementGroup *)mNodeElementCur)->Transformation = matr;
+        // in grouping set of nodes check X3DMetadataObject is not needed, because it is done in <Scene> parser function.
+
+        // for empty element exit from node in that place
+        if (isNodeEmpty(node)) {
+            ParseHelper_Node_Exit();
+        }
+    } // if(!use.empty()) else
+}
+
+void X3DImporter::endReadTransform() {
+    ParseHelper_Node_Exit(); // go up in scene graph
+}
+
+} // namespace Assimp
+
+#endif // !ASSIMP_BUILD_NO_X3D_IMPORTER