delete src/mesh/assimp-master

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diff --git a/src/mesh/assimp-master/port/dAssimp/assimp/config.d b/src/mesh/assimp-master/port/dAssimp/assimp/config.d
deleted file mode 100644
index 761156b..0000000
--- a/src/mesh/assimp-master/port/dAssimp/assimp/config.d
+++ /dev/null
@@ -1,705 +0,0 @@
-/*
----------------------------------------------------------------------------
-Open Asset Import Library (ASSIMP)
----------------------------------------------------------------------------
-
-Copyright (c) 2006-2020, ASSIMP Development 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 Development 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.
----------------------------------------------------------------------------
-*/
-
-/**
- * Defines constants for configurable properties for the library.
- *
- * These are set via <code>aiSetImportPropertyInteger()</code>,
- * <code>aiSetImportPropertyFloat()</code> and
- * <code>aiSetImportPropertyString()</code>.
- */
-module assimp.config;
-
-extern ( C ) {
-   /*
-    * Library settings.
-    *
-    * General, global settings.
-    */
-
-   /**
-    * Enables time measurements.
-    *
-    * If enabled, measures the time needed for each part of the loading
-    * process (i.e. IO time, importing, postprocessing, ..) and dumps these
-    * timings to the DefaultLogger. See the performance page in the main
-    * Assimp docs information on this topic.
-    *
-    * Property type: bool. Default value: false.
-    */
-   const char* AI_CONFIG_GLOB_MEASURE_TIME = "GLOB_MEASURE_TIME";
-
-   version( none ) { // not implemented yet
-   /**
-    * Set Assimp's multithreading policy.
-    *
-    * This setting is ignored if Assimp was built without boost.thread support
-    * (<code>ASSIMP_BUILD_NO_THREADING</code>, which is implied by
-    * <code>ASSIMP_BUILD_BOOST_WORKAROUND</code>).
-    *
-    * Possible values are: -1 to let Assimp decide what to do, 0 to disable
-    * multithreading entirely and any number larger than 0 to force a specific
-    * number of threads. Assimp is always free to ignore this settings, which
-    * is merely a hint. Usually, the default value (-1) will be fine. However,
-    * if Assimp is used concurrently from multiple user threads, it might be
-    * useful to limit each Importer instance to a specific number of cores.
-    *
-    * For more information, see the threading page in the main Assimp docs.
-    *
-    * Property type: int, default value: -1.
-    */
-   const char* AI_CONFIG_GLOB_MULTITHREADING = "GLOB_MULTITHREADING";
-   }
-
-
-   /*
-    * Post processing settings.
-    *
-    * Various options to fine-tune the behavior of a specific post processing step.
-    */
-
-   /**
-    * Specifies the maximum angle that may be between two vertex tangents that
-    * their tangents and bitangents are smoothed.
-    *
-    * This applies to the <code>CalcTangentSpace</code> step. The angle is
-    * specified in degrees, so 180 corresponds to PI radians.
-    *
-    * The default value is 45, the maximum value is 175.
-    *
-    * Property type: float.
-    */
-   const char* AI_CONFIG_PP_CT_MAX_SMOOTHING_ANGLE = "PP_CT_MAX_SMOOTHING_ANGLE";
-
-   /**
-    * Specifies the maximum angle that may be between two face normals at the
-    * same vertex position that their are smoothed together. Sometimes referred
-    * to as 'crease angle'.
-    *
-    * This applies to the <code>GenSmoothNormals</code> step. The angle is
-    * specified in degrees, so 180 corresponds to PI radians.
-    *
-    * The default value is 175 degrees (all vertex normals are smoothed), the
-    * maximum value is 175, too.
-    *
-    * Property type: float.
-    *
-    * Warning:
-    *    Setting this option may cause a severe loss of performance. The
-    *    performance is unaffected if the <code>AI_CONFIG_FAVOUR_SPEED</code>
-    *    flag is set but the output quality may be reduced.
-    */
-   const char* AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE = "PP_GSN_MAX_SMOOTHING_ANGLE";
-
-   /**
-    * Sets the colormap (= palette) to be used to decode embedded textures in
-    * MDL (Quake or 3DGS) files.
-    *
-    * This must be a valid path to a file. The file is 768 (256*3) bytes large
-    * and contains RGB triplets for each of the 256 palette entries. The
-    * default value is colormap.lmp. If the file is not found, a default
-    * palette (from Quake 1) is used.
-    *
-    * Property type: string.
-    */
-   const char* AI_CONFIG_IMPORT_MDL_COLORMAP = "IMPORT_MDL_COLORMAP";
-
-   /**
-    * Configures the <code>RemoveRedundantMaterials</code> step to keep
-    * materials matching a name in a given list.
-    *
-    * This is a list of 1 to n strings, ' ' serves as delimiter character.
-    * Identifiers containing whitespaces must be enclosed in <em>single</em>
-    * quotation marks. For example: <code>
-    * "keep-me and_me_to anotherMaterialToBeKept \'name with whitespace\'"</code>.
-    * Linefeeds, tabs or carriage returns are treated as whitespace.
-    *
-    * If a material matches on of these names, it will not be modified or
-    * removed by the postprocessing step nor will other materials be replaced
-    * by a reference to it.
-    *
-    * This option might be useful if you are using some magic material names
-    * to pass additional semantics through the content pipeline. This ensures
-    * they won't be optimized away, but a general optimization is still
-    * performed for materials not contained in the list.
-    *
-    * Default value: n/a
-    *
-    * Property type: string.
-    *
-    * Note: Material names are case sensitive.
-    */
-   const char* AI_CONFIG_PP_RRM_EXCLUDE_LIST = "PP_RRM_EXCLUDE_LIST";
-
-   /**
-    * Configures the <code>PretransformVertices</code> step to keep the scene
-    * hierarchy. Meshes are moved to worldspace, but no optimization is
-    * performed (meshes with equal materials are not joined, the total number
-    * of meshes will not change).
-    *
-    * This option could be of use for you if the scene hierarchy contains
-    * important additional information which you intend to parse.
-    * For rendering, you can still render all meshes in the scene without
-    * any transformations.
-    *
-    * Default value: false.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_PP_PTV_KEEP_HIERARCHY = "PP_PTV_KEEP_HIERARCHY";
-
-   /**
-    * Configures the <code>PretransformVertices</code> step to normalize all
-    * vertex components into the -1...1 range. That is, a bounding box for the
-    * whole scene is computed, the maximum component is taken and all meshes
-    * are scaled appropriately (uniformly of course!).
-    *
-    * This might be useful if you don't know the spatial dimension of the input
-    * data.
-    */
-   const char* AI_CONFIG_PP_PTV_NORMALIZE = "PP_PTV_NORMALIZE";
-
-   /**
-    * Configures the <code>FindDegenerates</code> step to remove degenerated
-    * primitives from the import – immediately.
-    *
-    * The default behaviour converts degenerated triangles to lines and
-    * degenerated lines to points. See the documentation to the
-    * <code>FindDegenerates</code> step for a detailed example of the various
-    * ways to get rid of these lines and points if you don't want them.
-    *
-    * Default value: false.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_PP_FD_REMOVE = "PP_FD_REMOVE";
-
-   /**
-    * Configures the <code>OptimizeGraph</code> step to preserve nodes matching
-    * a name in a given list.
-    *
-    * This is a list of 1 to n strings, ' ' serves as delimiter character.
-    * Identifiers containing whitespaces must be enclosed in <em>single</em>
-    * quotation marks. For example: <code>
-    * "keep-me and_me_to anotherMaterialToBeKept \'name with whitespace\'"</code>.
-    * Linefeeds, tabs or carriage returns are treated as whitespace.
-    *
-    * If a node matches on of these names, it will not be modified or
-    * removed by the postprocessing step.
-    *
-    * This option might be useful if you are using some magic node names
-    * to pass additional semantics through the content pipeline. This ensures
-    * they won't be optimized away, but a general optimization is still
-    * performed for nodes not contained in the list.
-    *
-    * Default value: n/a
-    *
-    * Property type: string.
-    *
-    * Note: Node names are case sensitive.
-    */
-   const char* AI_CONFIG_PP_OG_EXCLUDE_LIST = "PP_OG_EXCLUDE_LIST";
-
-   /**
-    * Sets the maximum number of triangles in a mesh.
-    *
-    * This is used by the <code>SplitLargeMeshes</code> step to determine
-    * whether a mesh must be split or not.
-    *
-    * Default value: AI_SLM_DEFAULT_MAX_TRIANGLES.
-    *
-    * Property type: integer.
-    */
-   const char* AI_CONFIG_PP_SLM_TRIANGLE_LIMIT = "PP_SLM_TRIANGLE_LIMIT";
-
-   /**
-    * The default value for the AI_CONFIG_PP_SLM_TRIANGLE_LIMIT setting.
-    */
-   const AI_SLM_DEFAULT_MAX_TRIANGLES = 1000000;
-
-   /**
-    * Sets the maximum number of vertices in a mesh.
-    *
-    * This is used by the <code>SplitLargeMeshes</code> step to determine
-    * whether a mesh must be split or not.
-    *
-    * Default value: AI_SLM_DEFAULT_MAX_VERTICES
-    *
-    * Property type: integer.
-    */
-   const char* AI_CONFIG_PP_SLM_VERTEX_LIMIT = "PP_SLM_VERTEX_LIMIT";
-
-   /**
-    * The default value for the AI_CONFIG_PP_SLM_VERTEX_LIMIT setting.
-    */
-   const AI_SLM_DEFAULT_MAX_VERTICES = 1000000;
-
-   /**
-    * Sets the maximum number of bones affecting a single vertex.
-    *
-    * This is used by the <code>LimitBoneWeights</code> step.
-    *
-    * Default value: AI_LBW_MAX_WEIGHTS
-    *
-    * Property type: integer.
-    */
-   const char* AI_CONFIG_PP_LBW_MAX_WEIGHTS = "PP_LBW_MAX_WEIGHTS";
-
-   /**
-    * The default value for the AI_CONFIG_PP_LBW_MAX_WEIGHTS setting.
-    */
-   const AI_LMW_MAX_WEIGHTS = 0x4;
-
-   /**
-    * Sets the size of the post-transform vertex cache to optimize the
-    * vertices for. This configures the <code>ImproveCacheLocality</code> step.
-    *
-    * The size is given in vertices. Of course you can't know how the vertex
-    * format will exactly look like after the import returns, but you can still
-    * guess what your meshes will probably have.
-    *
-    * The default value results in slight performance improvements for most
-    * nVidia/AMD cards since 2002.
-    *
-    * Default value: PP_ICL_PTCACHE_SIZE
-    *
-    * Property type: integer.
-    */
-   const char* AI_CONFIG_PP_ICL_PTCACHE_SIZE = "PP_ICL_PTCACHE_SIZE";
-
-   /**
-    * The default value for the AI_CONFIG_PP_ICL_PTCACHE_SIZE config option.
-    */
-   const PP_ICL_PTCACHE_SIZE = 12;
-
-   /**
-    * Components of the <code>aiScene</code> and <code>aiMesh</code> data
-    * structures that can be excluded from the import by using the
-    * <code>RemoveComponent</code> step.
-    *
-    *  See the documentation to <code>RemoveComponent</code> for more details.
-    */
-   enum aiComponent : uint {
-      /**
-       * Normal vectors.
-       */
-      NORMALS = 0x2,
-
-      /**
-       * Tangents and bitangents.
-       */
-      TANGENTS_AND_BITANGENTS = 0x4,
-
-      /**
-       * <em>All</em> color sets.
-       *
-       * Use aiComponent_COLORSn( N ) to specify the N'th set.
-       */
-      COLORS = 0x8,
-
-      /**
-       * <em>All</em> texture UV coordinate sets.
-       *
-       * Use aiComponent_TEXCOORDn( N ) to specify the N'th set.
-       */
-      TEXCOORDS = 0x10,
-
-      /**
-       * Bone weights from all meshes.
-       *
-       * The corresponding scenegraph nodes are <em>not</em> removed. Use the
-       * <code>OptimizeGraph</code> step to do this.
-       */
-      BONEWEIGHTS = 0x20,
-
-      /**
-       * Node animations (<code>aiScene.mAnimations</code>).
-       *
-       * The corresponding scenegraph nodes are <em>not</em> removed. Use the
-       * <code>OptimizeGraph</code> step to do this.
-       */
-      ANIMATIONS = 0x40,
-
-      /**
-       * Embedded textures (<code>aiScene.mTextures</code>).
-      */
-      TEXTURES = 0x80,
-
-      /**
-       * Light sources (<code>aiScene.mLights</code>).
-       *
-       * The corresponding scenegraph nodes are <em>not</em> removed. Use the
-       * <code>OptimizeGraph</code> step to do this.
-       */
-      LIGHTS = 0x100,
-
-      /**
-       * Cameras (<code>aiScene.mCameras</code>).
-       *
-       * The corresponding scenegraph nodes are <em>not</em> removed. Use the
-       * <code>OptimizeGraph</code> step to do this.
-       */
-      CAMERAS = 0x200,
-
-      /**
-       * Meshes (<code>aiScene.mMeshes</code>).
-       */
-      MESHES = 0x400,
-
-      /** Materials.
-       *
-       * One default material will be generated, so
-       * <code>aiScene.mNumMaterials</code> will be 1.
-      */
-      MATERIALS = 0x800
-   }
-
-   /**
-    * Specifies a certain color channel to remove.
-    */
-   uint aiComponent_COLORSn( uint n ) { return 1u << ( n + 20u ); }
-
-   /**
-    * Specifies a certain UV coordinate channel to remove.
-    */
-   uint aiComponent_TEXCOORDSn( uint n ) { return 1u << ( n + 25u ); }
-
-   /**
-    * Input parameter to the <code>RemoveComponent</code> step:
-    * Specifies the parts of the data structure to be removed.
-    *
-    * See the documentation to this step for further details.
-    *
-    * Default value: 0
-    *
-    * Property type: integer (bitwise combination of <code>aiComponent</code>
-    * flags).
-    *
-    * Note: If no valid mesh is remaining after the step has been executed, the
-    *    import <em>fails</em>, because there is no data to work on anymore.
-    */
-   const char* AI_CONFIG_PP_RVC_FLAGS = "PP_RVC_FLAGS";
-
-   /**
-    * Input parameter to the <code>SortByPType</code> step:
-    * Specifies which primitive types are removed by the step.
-    *
-    * This is a bitwise combination of the <code>aiPrimitiveType</code> flags.
-    * Specifying all of them is illegal, of course. A typical use would be to
-    * exclude all line and point meshes from the import.
-    *
-    * Default value: 0
-    *
-    * Property type: integer.
-    */
-   const char* AI_CONFIG_PP_SBP_REMOVE = "PP_SBP_REMOVE";
-
-   /**
-    * Input parameter to the <code>FindInvalidData</code> step:
-    * Specifies the floating-point accuracy for animation values.
-    *
-    * The step checks for animation tracks where all frame values are
-    * absolutely equal and removes them. This tweakable controls the epsilon
-    * for floating-point comparisons – two keys are considered equal if the
-    * invariant abs(n0-n1) > epsilon holds true for all vector respectively
-    * quaternion components.
-    *
-    * Default value: 0 (exact comparison).
-    *
-    * Property type: float.
-    */
-   const char* AI_CONFIG_PP_FID_ANIM_ACCURACY = "PP_FID_ANIM_ACCURACY";
-
-   /**
-    * The <code>TransformUVCoords</code> step evaluates UV scalings.
-    */
-   const AI_UVTRAFO_SCALING = 0x1;
-
-   /**
-    * The <code>TransformUVCoords</code> step evaluates UV rotations.
-    */
-   const AI_UVTRAFO_ROTATION = 0x2;
-
-   /**
-    * The <code>TransformUVCoords</code> step evaluates UV translation.
-    */
-   const AI_UVTRAFO_TRANSLATION = 0x4;
-
-   /**
-    * The <code>TransformUVCoords</code> step evaluates all UV translations.
-    */
-   const AI_UVTRAFO_ALL =
-      AI_UVTRAFO_SCALING
-      | AI_UVTRAFO_ROTATION
-      | AI_UVTRAFO_TRANSLATION;
-
-   /**
-    * Input parameter to the <code>TransformUVCoords</code> step: Specifies
-    * which UV transformations are evaluated.
-    *
-    * Default value: AI_UVTRAFO_ALL.
-    *
-    * Property type: integer (bitwise combination of the
-    * <code>AI_UVTRAFO_XXX<code> flag).
-    */
-   const char* AI_CONFIG_PP_TUV_EVALUATE = "PP_TUV_EVALUATE";
-
-   /**
-    * A hint to assimp to favour speed against import quality.
-    *
-    * Enabling this option may result in faster loading, but it needn't.
-    * It represents just a hint to loaders and post-processing steps to use
-    * faster code paths, if possible.
-    *
-    * Default value: false.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_FAVOUR_SPEED = "FAVOUR_SPEED";
-
-
-   /*
-    * Importer settings.
-    *
-    * Various stuff to fine-tune the behaviour of specific importer plugins.
-    */
-
-   /**
-    * Set the vertex animation keyframe to be imported.
-    *
-    * Assimp does not support vertex keyframes (only bone animation is
-    * supported). The library reads only one frame of models with vertex
-    * animations.
-    *
-    * Default value: 0 (first frame).
-    *
-    * Property type: integer.
-    *
-    * Note: This option applies to all importers. However, it is also possible
-    *    to override the global setting for a specific loader. You can use the
-    *    AI_CONFIG_IMPORT_XXX_KEYFRAME options (where XXX is a placeholder for
-    *    the file format for which you want to override the global setting).
-    */
-   const char* AI_CONFIG_IMPORT_GLOBAL_KEYFRAME = "IMPORT_GLOBAL_KEYFRAME";
-
-   const char* AI_CONFIG_IMPORT_MD3_KEYFRAME = "IMPORT_MD3_KEYFRAME";
-   const char* AI_CONFIG_IMPORT_MD2_KEYFRAME = "IMPORT_MD2_KEYFRAME";
-   const char* AI_CONFIG_IMPORT_MDL_KEYFRAME = "IMPORT_MDL_KEYFRAME";
-   const char* AI_CONFIG_IMPORT_MDC_KEYFRAME = "IMPORT_MDC_KEYFRAME";
-   const char* AI_CONFIG_IMPORT_SMD_KEYFRAME = "IMPORT_SMD_KEYFRAME";
-   const char* AI_CONFIG_IMPORT_UNREAL_KEYFRAME = "IMPORT_UNREAL_KEYFRAME";
-
-
-   /**
-    * Configures the AC loader to collect all surfaces which have the
-    * "Backface cull" flag set in separate meshes.
-    *
-    * Default value: true.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_IMPORT_AC_SEPARATE_BFCULL = "IMPORT_AC_SEPARATE_BFCULL";
-
-   /**
-    * Configures the UNREAL 3D loader to separate faces with different surface
-    * flags (e.g. two-sided vs. single-sided).
-    *
-    * Default value: true.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_IMPORT_UNREAL_HANDLE_FLAGS = "UNREAL_HANDLE_FLAGS";
-
-   /**
-    * Configures the terragen import plugin to compute uv's for terrains, if
-    * not given. Furthermore, a default texture is assigned.
-    *
-    * UV coordinates for terrains are so simple to compute that you'll usually
-    * want to compute them on your own, if you need them. This option is intended
-    * for model viewers which want to offer an easy way to apply textures to
-    * terrains.
-    *
-    * Default value: false.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_IMPORT_TER_MAKE_UVS = "IMPORT_TER_MAKE_UVS";
-
-   /**
-    * Configures the ASE loader to always reconstruct normal vectors basing on
-    * the smoothing groups loaded from the file.
-    *
-    * Many ASE files have invalid normals (they're not orthonormal).
-    *
-    * Default value: true.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_IMPORT_ASE_RECONSTRUCT_NORMALS = "IMPORT_ASE_RECONSTRUCT_NORMALS";
-
-   /**
-    * Configures the M3D loader to detect and process multi-part Quake player
-    * models.
-    *
-    * These models usually consist of three files, <code>lower.md3</code>,
-    * <code>upper.md3</code> and <code>head.md3</code>. If this property is set
-    * to true, Assimp will try to load and combine all three files if one of
-    * them is loaded.
-    *
-    * Default value: true.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_IMPORT_MD3_HANDLE_MULTIPART = "IMPORT_MD3_HANDLE_MULTIPART";
-
-   /**
-    * Tells the MD3 loader which skin files to load.
-    *
-    * When loading MD3 files, Assimp checks whether a file
-    * <code><md3_file_name>_<skin_name>.skin</code> is existing. These files
-    * are used by Quake 3 to be able to assign different skins (e.g. red and
-    * blue team) to models. 'default', 'red', 'blue' are typical skin names.
-    *
-    * Default value: "default".
-    *
-    * Property type: string.
-    */
-   const char* AI_CONFIG_IMPORT_MD3_SKIN_NAME = "IMPORT_MD3_SKIN_NAME";
-
-   /**
-    * Specify the Quake 3 shader file to be used for a particular MD3 file.
-    * This can also be a search path.
-    *
-    * By default Assimp's behaviour is as follows: If a MD3 file
-    * <code>[any_path]/models/[any_q3_subdir]/[model_name]/[file_name].md3</code>
-    * is loaded, the library tries to locate the corresponding shader file in
-    * <code>[any_path]/scripts/[model_name].shader</code>. This property
-    * overrides this behaviour. It can either specify a full path to the shader
-    * to be loaded or alternatively the path (relative or absolute) to the
-    * directory where the shaders for all MD3s to be loaded reside. Assimp
-    * attempts to open <code>[dir]/[model_name].shader</code> first,
-    * <code>[dir]/[file_name].shader</code> is the fallback file. Note that
-    * <code>[dir]</code> should have a terminal (back)slash.
-    *
-    * Default value: n/a.
-    *
-    * Property type: string.
-    */
-   const char* AI_CONFIG_IMPORT_MD3_SHADER_SRC = "IMPORT_MD3_SHADER_SRC";
-
-   /**
-    * Configures the LWO loader to load just one layer from the model.
-    *
-    * LWO files consist of layers and in some cases it could be useful to load
-    * only one of them. This property can be either a string – which specifies
-    * the name of the layer – or an integer – the index of the layer. If the
-    * property is not set the whole LWO model is loaded. Loading fails if the
-    * requested layer is not available. The layer index is zero-based and the
-    * layer name may not be empty.
-    *
-    * Default value: all layers are loaded.
-    *
-    * Property type: integer/string.
-    */
-   const char* AI_CONFIG_IMPORT_LWO_ONE_LAYER_ONLY = "IMPORT_LWO_ONE_LAYER_ONLY";
-
-   /**
-    * Configures the MD5 loader to not load the MD5ANIM file for a MD5MESH file
-    * automatically.
-    *
-    * The default strategy is to look for a file with the same name but the
-    * MD5ANIM extension in the same directory. If it is found, it is loaded
-    * and combined with the MD5MESH file. This configuration option can be
-    * used to disable this behaviour.
-    *
-    * Default value: false.
-    *
-    * Property type: bool.
-    */
-   const char* AI_CONFIG_IMPORT_MD5_NO_ANIM_AUTOLOAD = "IMPORT_MD5_NO_ANIM_AUTOLOAD";
-
-   /**
-    * Defines the begin of the time range for which the LWS loader evaluates
-    * animations and computes <code>aiNodeAnim</code>s.
-    *
-    * Assimp provides full conversion of LightWave's envelope system, including
-    * pre and post conditions. The loader computes linearly subsampled animation
-    * chanels with the frame rate given in the LWS file. This property defines
-    * the start time. Note: animation channels are only generated if a node
-    * has at least one envelope with more tan one key assigned. This property.
-    * is given in frames, '0' is the first frame. By default, if this property
-    * is not set, the importer takes the animation start from the input LWS
-    * file ('FirstFrame' line).
-    *
-    * Default value: read from file.
-    *
-    * Property type: integer.
-    *
-    * See: <code>AI_CONFIG_IMPORT_LWS_ANIM_END</code> – end of the imported
-    *    time range
-    */
-   const char* AI_CONFIG_IMPORT_LWS_ANIM_START = "IMPORT_LWS_ANIM_START";
-   const char* AI_CONFIG_IMPORT_LWS_ANIM_END = "IMPORT_LWS_ANIM_END";
-
-   /**
-    * Defines the output frame rate of the IRR loader.
-    *
-    * IRR animations are difficult to convert for Assimp and there will always
-    * be a loss of quality. This setting defines how many keys per second are
-    * returned by the converter.
-    *
-    * Default value: 100.
-    *
-    * Property type: integer.
-    */
-   const char* AI_CONFIG_IMPORT_IRR_ANIM_FPS = "IMPORT_IRR_ANIM_FPS";
-
-   /**
-    * Ogre Importer will try to load this material file.
-    *
-    * Ogre Mehs contain only the material name, not the material file. If there
-    * is no material file with the same name as the material, Ogre Importer
-    * will try to load this file and search the material in it.
-    *
-    * Property type: string. Default value: "Scene.material".
-    */
-   const char* AI_CONFIG_IMPORT_OGRE_MATERIAL_FILE = "IMPORT_OGRE_MATERIAL_FILE";
-}