add assimp submodule

1 files changed, 146 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/FBX/FBXModel.cpp b/src/mesh/assimp-master/code/AssetLib/FBX/FBXModel.cpp
new file mode 100644
index 0000000..9fe4cd5
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/FBX/FBXModel.cpp
@@ -0,0 +1,146 @@
+/*
+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.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  FBXModel.cpp
+ *  @brief Assimp::FBX::Model implementation
+ */
+
+#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
+
+#include "FBXDocument.h"
+#include "FBXDocumentUtil.h"
+#include "FBXImporter.h"
+#include "FBXMeshGeometry.h"
+#include "FBXParser.h"
+
+namespace Assimp {
+namespace FBX {
+
+using namespace Util;
+
+// ------------------------------------------------------------------------------------------------
+Model::Model(uint64_t id, const Element &element, const Document &doc, const std::string &name) :
+        Object(id, element, name), shading("Y") {
+    const Scope &sc = GetRequiredScope(element);
+    const Element *const Shading = sc["Shading"];
+    const Element *const Culling = sc["Culling"];
+
+    if (Shading) {
+        shading = GetRequiredToken(*Shading, 0).StringContents();
+    }
+
+    if (Culling) {
+        culling = ParseTokenAsString(GetRequiredToken(*Culling, 0));
+    }
+
+    props = GetPropertyTable(doc, "Model.FbxNode", element, sc);
+    ResolveLinks(element, doc);
+}
+
+// ------------------------------------------------------------------------------------------------
+Model::~Model() {
+}
+
+// ------------------------------------------------------------------------------------------------
+void Model::ResolveLinks(const Element&, const Document &doc) {
+    const char *const arr[] = { "Geometry", "Material", "NodeAttribute" };
+
+    // resolve material
+    const std::vector<const Connection *> &conns = doc.GetConnectionsByDestinationSequenced(ID(), arr, 3);
+
+    materials.reserve(conns.size());
+    geometry.reserve(conns.size());
+    attributes.reserve(conns.size());
+    for (const Connection *con : conns) {
+
+        // material and geometry links should be Object-Object connections
+        if (con->PropertyName().length()) {
+            continue;
+        }
+
+        const Object *const ob = con->SourceObject();
+        if (!ob) {
+            DOMWarning("failed to read source object for incoming Model link, ignoring", &element);
+            continue;
+        }
+
+        const Material *const mat = dynamic_cast<const Material *>(ob);
+        if (mat) {
+            materials.push_back(mat);
+            continue;
+        }
+
+        const Geometry *const geo = dynamic_cast<const Geometry *>(ob);
+        if (geo) {
+            geometry.push_back(geo);
+            continue;
+        }
+
+        const NodeAttribute *const att = dynamic_cast<const NodeAttribute *>(ob);
+        if (att) {
+            attributes.push_back(att);
+            continue;
+        }
+
+        DOMWarning("source object for model link is neither Material, NodeAttribute nor Geometry, ignoring", &element);
+        continue;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+bool Model::IsNull() const {
+    const std::vector<const NodeAttribute *> &attrs = GetAttributes();
+    for (const NodeAttribute *att : attrs) {
+
+        const Null *null_tag = dynamic_cast<const Null *>(att);
+        if (null_tag) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+} // namespace FBX
+} // namespace Assimp
+
+#endif