WIP of assimp integration.

Engine/lib/assimp/code/OgreImporter.h

@@ -0,0 +1,102 @@
+/*
+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.
+
+----------------------------------------------------------------------
+*/
+
+#ifndef AI_OGREIMPORTER_H_INC
+#define AI_OGREIMPORTER_H_INC
+
+#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER
+
+#include <assimp/BaseImporter.h>
+
+#include "OgreStructs.h"
+#include "OgreParsingUtils.h"
+
+#include <assimp/material.h>
+
+namespace Assimp
+{
+namespace Ogre
+{
+
+/** Importer for Ogre mesh, skeleton and material formats.
+    @todo Support vertex colors.
+    @todo Support poses/animations from the mesh file.
+    Currently only skeleton file animations are supported. */
+class OgreImporter : public BaseImporter
+{
+public:
+    /// BaseImporter override.
+    virtual bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const;
+
+    /// BaseImporter override.
+    virtual void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler);
+
+    /// BaseImporter override.
+    virtual const aiImporterDesc *GetInfo() const;
+
+    /// BaseImporter override.
+    virtual void SetupProperties(const Importer *pImp);
+
+private:
+    /// Read materials referenced by the @c mesh to @c pScene.
+    void ReadMaterials(const std::string &pFile, Assimp::IOSystem *pIOHandler, aiScene *pScene, Mesh *mesh);
+    void ReadMaterials(const std::string &pFile, Assimp::IOSystem *pIOHandler, aiScene *pScene, MeshXml *mesh);
+    void AssignMaterials(aiScene *pScene, std::vector<aiMaterial*> &materials);
+
+    /// Reads material
+    aiMaterial* ReadMaterial(const std::string &pFile, Assimp::IOSystem *pIOHandler, const std::string &MaterialName);
+
+    // These functions parse blocks from a material file from @c ss. Starting parsing from "{" and ending it to "}".
+    bool ReadTechnique(const std::string &techniqueName, std::stringstream &ss, aiMaterial *material);
+    bool ReadPass(const std::string &passName, std::stringstream &ss, aiMaterial *material);
+    bool ReadTextureUnit(const std::string &textureUnitName, std::stringstream &ss, aiMaterial *material);
+
+    std::string m_userDefinedMaterialLibFile;
+    bool m_detectTextureTypeFromFilename;
+
+    std::map<aiTextureType, unsigned int> m_textures;
+};
+} // Ogre
+} // Assimp
+
+#endif // ASSIMP_BUILD_NO_OGRE_IMPORTER
+#endif // AI_OGREIMPORTER_H_INC