WIP of assimp integration.

Engine/lib/assimp/code/MD5Loader.h

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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2018, 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   MD5Loader.h
+ *  @brief Definition of the .MD5 importer class.
+ *  http://www.modwiki.net/wiki/MD5_(file_format)
+*/
+#ifndef AI_MD5LOADER_H_INCLUDED
+#define AI_MD5LOADER_H_INCLUDED
+
+#include <assimp/BaseImporter.h>
+#include "MD5Parser.h"
+
+#include <assimp/types.h>
+
+struct aiNode;
+struct aiNodeAnim;
+
+namespace Assimp    {
+
+class IOStream;
+using namespace Assimp::MD5;
+
+// ---------------------------------------------------------------------------
+/** Importer class for the MD5 file format
+*/
+class MD5Importer : public BaseImporter
+{
+public:
+    MD5Importer();
+    ~MD5Importer();
+
+
+public:
+
+    // -------------------------------------------------------------------
+    /** 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;
+
+protected:
+
+    // -------------------------------------------------------------------
+    /** Return importer meta information.
+     * See #BaseImporter::GetInfo for the details
+     */
+    const aiImporterDesc* GetInfo () const;
+
+    // -------------------------------------------------------------------
+    /** 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);
+
+    // -------------------------------------------------------------------
+    /** Imports the given file into the given scene structure.
+     * See BaseImporter::InternReadFile() for details
+     */
+    void InternReadFile( const std::string& pFile, aiScene* pScene,
+        IOSystem* pIOHandler);
+
+protected:
+
+
+    // -------------------------------------------------------------------
+    /** Load a *.MD5MESH file.
+     */
+    void LoadMD5MeshFile ();
+
+    // -------------------------------------------------------------------
+    /** Load a *.MD5ANIM file.
+     */
+    void LoadMD5AnimFile ();
+
+    // -------------------------------------------------------------------
+    /** Load a *.MD5CAMERA file.
+     */
+    void LoadMD5CameraFile ();
+
+    // -------------------------------------------------------------------
+    /** Construct node hierarchy from a given MD5ANIM
+     *  @param iParentID Current parent ID
+     *  @param piParent Parent node to attach to
+     *  @param bones Input bones
+     *  @param node_anims Generated node animations
+    */
+    void AttachChilds_Anim(int iParentID,aiNode* piParent,
+        AnimBoneList& bones,const aiNodeAnim** node_anims);
+
+    // -------------------------------------------------------------------
+    /** Construct node hierarchy from a given MD5MESH
+     *  @param iParentID Current parent ID
+     *  @param piParent Parent node to attach to
+     *  @param bones Input bones
+    */
+    void AttachChilds_Mesh(int iParentID,aiNode* piParent,BoneList& bones);
+
+    // -------------------------------------------------------------------
+    /** Build unique vertex buffers from a given MD5ANIM
+     *  @param meshSrc Input data
+     */
+    void MakeDataUnique (MD5::MeshDesc& meshSrc);
+
+    // -------------------------------------------------------------------
+    /** Load the contents of a specific file into memory and
+     *  allocates a buffer to keep it.
+     *
+     *  mBuffer is modified to point to this buffer.
+     *  @param pFile File stream to be read
+    */
+    void LoadFileIntoMemory (IOStream* pFile);
+    void UnloadFileFromMemory ();
+
+
+    /** IOSystem to be used to access files */
+    IOSystem* mIOHandler;
+
+    /** Path to the file, excluding the file extension but
+        with the dot */
+    std::string mFile;
+
+    /** Buffer to hold the loaded file */
+    char* mBuffer;
+
+    /** Size of the file */
+    unsigned int fileSize;
+
+    /** Current line number. For debugging purposes */
+    unsigned int iLineNumber;
+
+    /** Scene to be filled */
+    aiScene* pScene;
+
+    /** (Custom) I/O handler implementation */
+    IOSystem* pIOHandler;
+
+    /** true if a MD5MESH file has already been parsed */
+    bool bHadMD5Mesh;
+
+    /** true if a MD5ANIM file has already been parsed */
+    bool bHadMD5Anim;
+
+    /** true if a MD5CAMERA file has already been parsed */
+    bool bHadMD5Camera;
+
+    /** configuration option: prevent anim autoload */
+    bool configNoAutoLoad;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_3DSIMPORTER_H_INC