add assimp submodule

1 files changed, 192 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/ASE/ASELoader.h b/src/mesh/assimp-master/code/AssetLib/ASE/ASELoader.h
new file mode 100644
index 0000000..cd91235
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/ASE/ASELoader.h
@@ -0,0 +1,192 @@
+/*
+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  ASELoader.h
+ *  @brief Definition of the .ASE importer class.
+ */
+#ifndef AI_ASELOADER_H_INCLUDED
+#define AI_ASELOADER_H_INCLUDED
+
+#include <assimp/BaseImporter.h>
+#include <assimp/types.h>
+#include "ASEParser.h"
+
+struct aiNode;
+
+namespace Assimp {
+
+#ifndef ASSIMP_BUILD_NO_3DS_IMPORTER
+
+// --------------------------------------------------------------------------------
+/** Importer class for the 3DS ASE ASCII format.
+ *
+ */
+class ASEImporter : public BaseImporter {
+public:
+    ASEImporter();
+    ~ASEImporter() override;
+
+    // -------------------------------------------------------------------
+    /** Returns whether the class can handle the format of the given file.
+     * See BaseImporter::CanRead() for details.
+     */
+    bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
+        bool checkSig) const override;
+
+protected:
+    // -------------------------------------------------------------------
+    /** Return importer meta information.
+     * See #BaseImporter::GetInfo for the details
+     */
+    const aiImporterDesc* GetInfo () const override;
+
+    // -------------------------------------------------------------------
+    /** Imports the given file into the given scene structure.
+    * See BaseImporter::InternReadFile() for details
+    */
+    void InternReadFile( const std::string& pFile, aiScene* pScene,
+        IOSystem* pIOHandler) override;
+
+    // -------------------------------------------------------------------
+    /** Called prior to ReadFile().
+    * The function is a request to the importer to update its configuration
+    * basing on the Importer's configuration property list.
+    */
+    void SetupProperties(const Importer* pImp) override;
+
+private:
+    // -------------------------------------------------------------------
+    /** Generate normal vectors basing on smoothing groups
+     * (in some cases the normal are already contained in the file)
+     * \param mesh Mesh to work on
+     * \return false if the normals have been recomputed
+     */
+    bool GenerateNormals(ASE::Mesh& mesh);
+
+    // -------------------------------------------------------------------
+    /** Create valid vertex/normal/UV/color/face lists.
+     *  All elements are unique, faces have only one set of indices
+     *  after this step occurs.
+     * \param mesh Mesh to work on
+     */
+    void BuildUniqueRepresentation(ASE::Mesh& mesh);
+
+    /** Create one-material-per-mesh meshes ;-)
+     * \param mesh Mesh to work with
+     *  \param Receives the list of all created meshes
+     */
+    void ConvertMeshes(ASE::Mesh& mesh, std::vector<aiMesh*>& avOut);
+
+    // -------------------------------------------------------------------
+    /** Convert a material to a aiMaterial object
+     * \param mat Input material
+     */
+    void ConvertMaterial(ASE::Material& mat);
+
+    // -------------------------------------------------------------------
+    /** Setup the final material indices for each mesh
+     */
+    void BuildMaterialIndices();
+
+    // -------------------------------------------------------------------
+    /** Build the node graph
+     */
+    void BuildNodes(std::vector<ASE::BaseNode*>& nodes);
+
+    // -------------------------------------------------------------------
+    /** Build output cameras
+     */
+    void BuildCameras();
+
+    // -------------------------------------------------------------------
+    /** Build output lights
+     */
+    void BuildLights();
+
+    // -------------------------------------------------------------------
+    /** Build output animations
+     */
+    void BuildAnimations(const std::vector<ASE::BaseNode*>& nodes);
+
+    // -------------------------------------------------------------------
+    /** Add sub nodes to a node
+     *  \param pcParent parent node to be filled
+     *  \param szName Name of the parent node
+     *  \param matrix Current transform
+     */
+    void AddNodes(const std::vector<ASE::BaseNode*>& nodes,
+        aiNode* pcParent,const char* szName);
+
+    void AddNodes(const std::vector<ASE::BaseNode*>& nodes,
+        aiNode* pcParent,const char* szName,
+        const aiMatrix4x4& matrix);
+
+    void AddMeshes(const ASE::BaseNode* snode,aiNode* node);
+
+    // -------------------------------------------------------------------
+    /** Generate a default material and add it to the parser's list
+     *  Called if no material has been found in the file (rare for ASE,
+     *  but not impossible)
+     */
+    void GenerateDefaultMaterial();
+
+protected:
+    /** Parser instance */
+    ASE::Parser* mParser;
+
+    /** Buffer to hold the loaded file */
+    char* mBuffer;
+
+    /** Scene to be filled */
+    aiScene* pcScene;
+
+    /** Config options: Recompute the normals in every case - WA
+        for 3DS Max broken ASE normal export */
+    bool configRecomputeNormals;
+    bool noSkeletonMesh;
+};
+
+#endif // ASSIMP_BUILD_NO_3DS_IMPORTER
+
+} // end of namespace Assimp
+
+
+#endif // AI_3DSIMPORTER_H_INC