311 lines
10 KiB
C
311 lines
10 KiB
C
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2019, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file defs.h
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* @brief Assimp build configuration setup. See the notes in the comment
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* blocks to find out how to customize _your_ Assimp build.
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*/
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#pragma once
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#ifndef AI_DEFINES_H_INC
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#define AI_DEFINES_H_INC
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#include <assimp/config.h>
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//////////////////////////////////////////////////////////////////////////
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/* Define ASSIMP_BUILD_NO_XX_IMPORTER to disable a specific
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* file format loader. The loader is be excluded from the
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* build in this case. 'XX' stands for the most common file
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* extension of the file format. E.g.:
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* ASSIMP_BUILD_NO_X_IMPORTER disables the X loader.
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*
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* If you're unsure about that, take a look at the implementation of the
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* import plugin you wish to disable. You'll find the right define in the
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* first lines of the corresponding unit.
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*
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* Other (mixed) configuration switches are listed here:
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* ASSIMP_BUILD_NO_COMPRESSED_X
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* - Disable support for compressed X files (zip)
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* ASSIMP_BUILD_NO_COMPRESSED_BLEND
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* - Disable support for compressed Blender files (zip)
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* ASSIMP_BUILD_NO_COMPRESSED_IFC
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* - Disable support for IFCZIP files (unzip)
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*/
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//////////////////////////////////////////////////////////////////////////
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#ifndef ASSIMP_BUILD_NO_COMPRESSED_X
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# define ASSIMP_BUILD_NEED_Z_INFLATE
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#endif
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#ifndef ASSIMP_BUILD_NO_COMPRESSED_BLEND
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# define ASSIMP_BUILD_NEED_Z_INFLATE
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#endif
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#ifndef ASSIMP_BUILD_NO_COMPRESSED_IFC
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# define ASSIMP_BUILD_NEED_Z_INFLATE
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# define ASSIMP_BUILD_NEED_UNZIP
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#endif
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#ifndef ASSIMP_BUILD_NO_Q3BSP_IMPORTER
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# define ASSIMP_BUILD_NEED_Z_INFLATE
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# define ASSIMP_BUILD_NEED_UNZIP
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#endif
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//////////////////////////////////////////////////////////////////////////
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/* Define ASSIMP_BUILD_NO_XX_PROCESS to disable a specific
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* post processing step. This is the current list of process names ('XX'):
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* CALCTANGENTS
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* JOINVERTICES
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* TRIANGULATE
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* DROPFACENORMALS
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* GENFACENORMALS
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* GENVERTEXNORMALS
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* REMOVEVC
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* SPLITLARGEMESHES
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* PRETRANSFORMVERTICES
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* LIMITBONEWEIGHTS
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* VALIDATEDS
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* IMPROVECACHELOCALITY
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* FIXINFACINGNORMALS
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* REMOVE_REDUNDANTMATERIALS
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* OPTIMIZEGRAPH
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* SORTBYPTYPE
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* FINDINVALIDDATA
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* TRANSFORMTEXCOORDS
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* GENUVCOORDS
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* ENTITYMESHBUILDER
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* EMBEDTEXTURES
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* MAKELEFTHANDED
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* FLIPUVS
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* FLIPWINDINGORDER
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* OPTIMIZEMESHES
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* OPTIMIZEANIMS
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* OPTIMIZEGRAPH
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* GENENTITYMESHES
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* FIXTEXTUREPATHS
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* GENBOUNDINGBOXES */
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//////////////////////////////////////////////////////////////////////////
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#ifdef _MSC_VER
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# undef ASSIMP_API
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//////////////////////////////////////////////////////////////////////////
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/* Define 'ASSIMP_BUILD_DLL_EXPORT' to build a DLL of the library */
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//////////////////////////////////////////////////////////////////////////
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# ifdef ASSIMP_BUILD_DLL_EXPORT
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# define ASSIMP_API __declspec(dllexport)
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# define ASSIMP_API_WINONLY __declspec(dllexport)
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# pragma warning (disable : 4251)
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//////////////////////////////////////////////////////////////////////////
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/* Define 'ASSIMP_DLL' before including Assimp to link to ASSIMP in
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* an external DLL under Windows. Default is static linkage. */
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//////////////////////////////////////////////////////////////////////////
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# elif (defined ASSIMP_DLL)
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# define ASSIMP_API __declspec(dllimport)
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# define ASSIMP_API_WINONLY __declspec(dllimport)
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# else
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# define ASSIMP_API
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# define ASSIMP_API_WINONLY
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# endif
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/* Force the compiler to inline a function, if possible
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*/
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# define AI_FORCE_INLINE __forceinline
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/* Tells the compiler that a function never returns. Used in code analysis
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* to skip dead paths (e.g. after an assertion evaluated to false). */
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# define AI_WONT_RETURN __declspec(noreturn)
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#elif defined(SWIG)
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/* Do nothing, the relevant defines are all in AssimpSwigPort.i */
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#else
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# define AI_WONT_RETURN
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# define ASSIMP_API __attribute__ ((visibility("default")))
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# define ASSIMP_API_WINONLY
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# define AI_FORCE_INLINE inline
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#endif // (defined _MSC_VER)
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#ifdef __GNUC__
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# define AI_WONT_RETURN_SUFFIX __attribute__((noreturn))
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#else
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# define AI_WONT_RETURN_SUFFIX
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#endif // (defined __clang__)
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#ifdef __cplusplus
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/* No explicit 'struct' and 'enum' tags for C++, this keeps showing up
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* in doxydocs.
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*/
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# define C_STRUCT
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# define C_ENUM
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#else
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//////////////////////////////////////////////////////////////////////////
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/* To build the documentation, make sure ASSIMP_DOXYGEN_BUILD
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* is defined by Doxygen's preprocessor. The corresponding
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* entries in the DOXYFILE are: */
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//////////////////////////////////////////////////////////////////////////
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#if 0
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ENABLE_PREPROCESSING = YES
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MACRO_EXPANSION = YES
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EXPAND_ONLY_PREDEF = YES
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SEARCH_INCLUDES = YES
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INCLUDE_PATH =
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INCLUDE_FILE_PATTERNS =
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PREDEFINED = ASSIMP_DOXYGEN_BUILD=1
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EXPAND_AS_DEFINED = C_STRUCT C_ENUM
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SKIP_FUNCTION_MACROS = YES
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#endif
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//////////////////////////////////////////////////////////////////////////
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/* Doxygen gets confused if we use c-struct typedefs to avoid
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* the explicit 'struct' notation. This trick here has the same
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* effect as the TYPEDEF_HIDES_STRUCT option, but we don't need
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* to typedef all structs/enums. */
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//////////////////////////////////////////////////////////////////////////
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# if (defined ASSIMP_DOXYGEN_BUILD)
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# define C_STRUCT
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# define C_ENUM
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# else
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# define C_STRUCT struct
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# define C_ENUM enum
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# endif
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#endif
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#if (defined(__BORLANDC__) || defined (__BCPLUSPLUS__))
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# error Currently, Borland is unsupported. Feel free to port Assimp.
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#endif
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//////////////////////////////////////////////////////////////////////////
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/* Define ASSIMP_BUILD_SINGLETHREADED to compile assimp
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* without threading support. The library doesn't utilize
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* threads then and is itself not threadsafe. */
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//////////////////////////////////////////////////////////////////////////
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#ifndef ASSIMP_BUILD_SINGLETHREADED
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# define ASSIMP_BUILD_SINGLETHREADED
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#endif
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#if defined(_DEBUG) || ! defined(NDEBUG)
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# define ASSIMP_BUILD_DEBUG
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#endif
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//////////////////////////////////////////////////////////////////////////
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/* Define ASSIMP_DOUBLE_PRECISION to compile assimp
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* with double precision support (64-bit). */
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//////////////////////////////////////////////////////////////////////////
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#ifdef ASSIMP_DOUBLE_PRECISION
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typedef double ai_real;
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typedef signed long long int ai_int;
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typedef unsigned long long int ai_uint;
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#ifndef ASSIMP_AI_REAL_TEXT_PRECISION
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#define ASSIMP_AI_REAL_TEXT_PRECISION 16
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#endif // ASSIMP_AI_REAL_TEXT_PRECISION
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#else // ASSIMP_DOUBLE_PRECISION
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typedef float ai_real;
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typedef signed int ai_int;
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typedef unsigned int ai_uint;
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#ifndef ASSIMP_AI_REAL_TEXT_PRECISION
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#define ASSIMP_AI_REAL_TEXT_PRECISION 8
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#endif // ASSIMP_AI_REAL_TEXT_PRECISION
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#endif // ASSIMP_DOUBLE_PRECISION
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//////////////////////////////////////////////////////////////////////////
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/* Useful constants */
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//////////////////////////////////////////////////////////////////////////
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/* This is PI. Hi PI. */
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#define AI_MATH_PI (3.141592653589793238462643383279 )
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#define AI_MATH_TWO_PI (AI_MATH_PI * 2.0)
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#define AI_MATH_HALF_PI (AI_MATH_PI * 0.5)
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/* And this is to avoid endless casts to float */
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#define AI_MATH_PI_F (3.1415926538f)
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#define AI_MATH_TWO_PI_F (AI_MATH_PI_F * 2.0f)
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#define AI_MATH_HALF_PI_F (AI_MATH_PI_F * 0.5f)
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/* Tiny macro to convert from radians to degrees and back */
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#define AI_DEG_TO_RAD(x) ((x)*(ai_real)0.0174532925)
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#define AI_RAD_TO_DEG(x) ((x)*(ai_real)57.2957795)
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/* Numerical limits */
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static const ai_real ai_epsilon = (ai_real) 0.00001;
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/* Support for big-endian builds */
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#if defined(__BYTE_ORDER__)
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# if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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# if !defined(__BIG_ENDIAN__)
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# define __BIG_ENDIAN__
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# endif
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# else /* little endian */
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# if defined (__BIG_ENDIAN__)
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# undef __BIG_ENDIAN__
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# endif
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# endif
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#endif
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#if defined(__BIG_ENDIAN__)
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# define AI_BUILD_BIG_ENDIAN
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#endif
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/* To avoid running out of memory
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* This can be adjusted for specific use cases
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* It's NOT a total limit, just a limit for individual allocations
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*/
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#define AI_MAX_ALLOC(type) ((256U * 1024 * 1024) / sizeof(type))
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#ifndef _MSC_VER
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# define AI_NO_EXCEPT noexcept
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#else
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# if (_MSC_VER >= 1915 )
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# define AI_NO_EXCEPT noexcept
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# else
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# define AI_NO_EXCEPT
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# endif
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#endif // _MSC_VER
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#endif // !! AI_DEFINES_H_INC
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