add assimp submodule

1 files changed, 284 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/AMF/AMFImporter_Geometry.cpp b/src/mesh/assimp-master/code/AssetLib/AMF/AMFImporter_Geometry.cpp
new file mode 100644
index 0000000..341999f
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/AMF/AMFImporter_Geometry.cpp
@@ -0,0 +1,284 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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.
+---------------------------------------------------------------------------
+*/
+
+#ifndef ASSIMP_BUILD_NO_AMF_IMPORTER
+
+#include "AMFImporter.hpp"
+#include <assimp/ParsingUtils.h>
+
+namespace Assimp {
+
+// <mesh>
+// </mesh>
+// A 3D mesh hull.
+// Multi elements - Yes.
+// Parent element - <object>.
+void AMFImporter::ParseNode_Mesh(XmlNode &node) {
+    AMFNodeElementBase *ne = nullptr;
+
+    // Check for child nodes
+    if (0 != ASSIMP_stricmp(node.name(), "mesh")) {
+        return;
+    }
+    // create new mesh object.
+    ne = new AMFMesh(mNodeElement_Cur);
+    bool found_verts = false, found_volumes = false;
+    if (!node.empty()) {
+        ParseHelper_Node_Enter(ne);
+        pugi::xml_node vertNode = node.child("vertices");
+        if (!vertNode.empty()) {
+            ParseNode_Vertices(vertNode);
+            found_verts = true;
+        }
+
+        pugi::xml_node volumeNode = node.child("volume");
+        if (!volumeNode.empty()) {
+            ParseNode_Volume(volumeNode);
+            found_volumes = true;
+        }
+        ParseHelper_Node_Exit();
+    }
+
+    if (!found_verts && !found_volumes) {
+        mNodeElement_Cur->Child.push_back(ne);
+    } // if(!mReader->isEmptyElement()) else
+
+    // and to node element list because its a new object in graph.
+    mNodeElement_List.push_back(ne);
+}
+
+// <vertices>
+// </vertices>
+// The list of vertices to be used in defining triangles.
+// Multi elements - No.
+// Parent element - <mesh>.
+void AMFImporter::ParseNode_Vertices(XmlNode &node) {
+    AMFNodeElementBase *ne = nullptr;
+
+    // create new mesh object.
+    ne = new AMFVertices(mNodeElement_Cur);
+    // Check for child nodes
+    if (node.empty()) {
+        mNodeElement_Cur->Child.push_back(ne); // Add element to child list of current element
+        return;
+    }
+    ParseHelper_Node_Enter(ne);
+    for (XmlNode &currentNode : node.children()) {
+        const std::string &currentName = currentNode.name();
+        if (currentName == "vertex") {
+            ParseNode_Vertex(currentNode);
+        }
+    }
+    ParseHelper_Node_Exit();
+    mNodeElement_List.push_back(ne); // and to node element list because its a new object in graph.
+}
+
+// <vertex>
+// </vertex>
+// A vertex to be referenced in triangles.
+// Multi elements - Yes.
+// Parent element - <vertices>.
+void AMFImporter::ParseNode_Vertex(XmlNode &node) {
+    AMFNodeElementBase *ne = nullptr;
+
+    // create new mesh object.
+    ne = new AMFVertex(mNodeElement_Cur);
+
+    // Check for child nodes
+    pugi::xml_node colorNode = node.child("color");
+    bool col_read = false;
+    bool coord_read = false;
+    if (!node.empty()) {
+        ParseHelper_Node_Enter(ne);
+        if (!colorNode.empty()) {
+            ParseNode_Color(colorNode);
+            col_read = true;
+        }
+        pugi::xml_node coordNode = node.child("coordinates");
+        if (!coordNode.empty()) {
+            ParseNode_Coordinates(coordNode);
+            coord_read = true;
+        }
+        ParseHelper_Node_Exit();
+    }
+
+    if (!coord_read && !col_read) {
+        mNodeElement_Cur->Child.push_back(ne); // Add element to child list of current element
+    }
+
+    mNodeElement_List.push_back(ne); // and to node element list because its a new object in graph.
+}
+
+// <coordinates>
+// </coordinates>
+// Specifies the 3D location of this vertex.
+// Multi elements - No.
+// Parent element - <vertex>.
+//
+// Children elements:
+//   <x>, <y>, <z>
+//   Multi elements - No.
+//   X, Y, or Z coordinate, respectively, of a vertex position in space.
+void AMFImporter::ParseNode_Coordinates(XmlNode &node) {
+    AMFNodeElementBase *ne = nullptr;
+    if (!node.empty()) {
+        ne = new AMFCoordinates(mNodeElement_Cur);
+        ParseHelper_Node_Enter(ne);
+        for (XmlNode &currentNode : node.children()) {
+            // create new color object.
+            AMFCoordinates &als = *((AMFCoordinates *)ne); // alias for convenience
+            const std::string &currentName = ai_tolower(currentNode.name());
+            if (currentName == "x") {
+                XmlParser::getValueAsFloat(currentNode, als.Coordinate.x);
+            } else if (currentName == "y") {
+                XmlParser::getValueAsFloat(currentNode, als.Coordinate.y);
+            } else if (currentName == "z") {
+                XmlParser::getValueAsFloat(currentNode, als.Coordinate.z);
+            }
+        }
+        ParseHelper_Node_Exit();
+
+    } else {
+        mNodeElement_Cur->Child.push_back(new AMFCoordinates(mNodeElement_Cur));
+    }
+
+    mNodeElement_List.push_back(ne); // and to node element list because its a new object in graph.
+}
+
+// <volume
+// materialid="" - Which material to use.
+// type=""       - What this volume describes can be "region" or "support". If none specified, "object" is assumed. If support, then the geometric
+//                 requirements 1-8 listed in section 5 do not need to be maintained.
+// >
+// </volume>
+// Defines a volume from the established vertex list.
+// Multi elements - Yes.
+// Parent element - <mesh>.
+void AMFImporter::ParseNode_Volume(XmlNode &node) {
+    std::string materialid;
+    std::string type;
+    AMFNodeElementBase *ne = new AMFVolume(mNodeElement_Cur);
+
+    // Read attributes for node <color>.
+    // and assign read data
+
+    ((AMFVolume *)ne)->MaterialID = node.attribute("materialid").as_string();
+
+    ((AMFVolume *)ne)->Type = type;
+    // Check for child nodes
+    bool col_read = false;
+    if (!node.empty()) {
+        ParseHelper_Node_Enter(ne);
+        for (auto &currentNode : node.children()) {
+            const std::string currentName = currentNode.name();
+            if (currentName == "color") {
+                if (col_read) Throw_MoreThanOnceDefined(currentName, "color", "Only one color can be defined for <volume>.");
+                ParseNode_Color(currentNode);
+                col_read = true;
+            } else if (currentName == "triangle") {
+                ParseNode_Triangle(currentNode);
+            } else if (currentName == "metadata") {
+                ParseNode_Metadata(currentNode);
+            } else if (currentName == "volume") {
+                ParseNode_Metadata(currentNode);
+            }
+        }
+        ParseHelper_Node_Exit();
+    } else {
+        mNodeElement_Cur->Child.push_back(ne); // Add element to child list of current element
+    }
+
+    mNodeElement_List.push_back(ne); // and to node element list because its a new object in graph.
+}
+
+// <triangle>
+// </triangle>
+// Defines a 3D triangle from three vertices, according to the right-hand rule (counter-clockwise when looking from the outside).
+// Multi elements - Yes.
+// Parent element - <volume>.
+//
+// Children elements:
+//   <v1>, <v2>, <v3>
+//   Multi elements - No.
+//   Index of the desired vertices in a triangle or edge.
+void AMFImporter::ParseNode_Triangle(XmlNode &node) {
+    AMFNodeElementBase *ne = new AMFTriangle(mNodeElement_Cur);
+
+    // create new triangle object.
+
+    AMFTriangle &als = *((AMFTriangle *)ne); // alias for convenience
+
+    bool col_read = false;
+    if (!node.empty()) {
+        ParseHelper_Node_Enter(ne);
+        std::string v;
+        for (auto &currentNode : node.children()) {
+            const std::string currentName = currentNode.name();
+            if (currentName == "color") {
+                if (col_read) Throw_MoreThanOnceDefined(currentName, "color", "Only one color can be defined for <triangle>.");
+                ParseNode_Color(currentNode);
+                col_read = true;
+            } else if (currentName == "texmap") {
+                ParseNode_TexMap(currentNode);
+            } else if (currentName == "map") {
+                ParseNode_TexMap(currentNode, true);
+            } else if (currentName == "v1") {
+                XmlParser::getValueAsString(currentNode, v);
+                als.V[0] = std::atoi(v.c_str());
+            } else if (currentName == "v2") {
+                XmlParser::getValueAsString(currentNode, v);
+                als.V[1] = std::atoi(v.c_str());
+            } else if (currentName == "v3") {
+                XmlParser::getValueAsString(currentNode, v);
+                als.V[2] = std::atoi(v.c_str());
+            }
+        }
+        ParseHelper_Node_Exit();
+    } else {
+        mNodeElement_Cur->Child.push_back(ne); // Add element to child list of current element
+    }
+
+    mNodeElement_List.push_back(ne); // and to node element list because its a new object in graph.
+}
+
+} // namespace Assimp
+
+#endif // !ASSIMP_BUILD_NO_AMF_IMPORTER