assimp/include/aiConfig.h

/*
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Open Asset Import Library (ASSIMP)
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*/

/** @file Defines constants for configurable properties */
#ifndef AI_CONFIG_H_INC
#define AI_CONFIG_H_INC

// ---------------------------------------------------------------------------
/** \brief Set the maximum number of vertices in a mesh.
 *
 * This is used by the "SplitLargeMeshes" PostProcess-Step to determine
 * whether a mesh must be splitted or not.
 * \note The default value is AI_SLM_DEFAULT_MAX_VERTICES, defined in
 *       the internal header file SplitLargeMeshes.h
 * Property type: integer.
 */
#define AI_CONFIG_PP_SLM_TRIANGLE_LIMIT	"pp.slm.triangle_limit"


// ---------------------------------------------------------------------------
/** \brief Set the maximum number of triangles in a mesh.
 *
 * This is used by the "SplitLargeMeshes" PostProcess-Step to determine
 * whether a mesh must be splitted or not.
 * \note The default value is AI_SLM_DEFAULT_MAX_TRIANGLES, defined in
 *       the internal header file SplitLargeMeshes.h
 * Property type: integer.
 */
#define AI_CONFIG_PP_SLM_VERTEX_LIMIT	"pp.slm.vertex_limit"


// ---------------------------------------------------------------------------
/** \brief Set the maximum number of bones affecting a single vertex
 *
 * This is used by the aiProcess_LimitBoneWeights PostProcess-Step.
 * \note The default value is AI_LBW_MAX_WEIGHTS, defined in
 *       the internal header file LimitBoneWeightsProcess.h
 * Property type: integer.
 */
#define AI_CONFIG_PP_LBW_MAX_WEIGHTS	"pp.lbw.weights_limit"


// ---------------------------------------------------------------------------
/** \brief 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.
 * By default this is the first frame<EFBFBD>.
 * \note The default value is 0. 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).
 * Property type: integer.
 */
#define AI_CONFIG_IMPORT_GLOBAL_KEYFRAME	"imp.global.kf"

#define AI_CONFIG_IMPORT_MD3_KEYFRAME		"imp.md3.kf"
#define AI_CONFIG_IMPORT_MD2_KEYFRAME		"imp.md2.kf"
#define AI_CONFIG_IMPORT_MDL_KEYFRAME		"imp.mdl.kf"
#define AI_CONFIG_IMPORT_MDC_KEYFRAME		"imp.mdc.kf"
#define AI_CONFIG_IMPORT_MDR_KEYFRAME		"imp.mdr.kf"
#define AI_CONFIG_IMPORT_SMD_KEYFRAME		"imp.smd.kf"


// ---------------------------------------------------------------------------
/** \brief Causes the 3DS loader to ignore pivot points in the file
 *
 * There are some faulty 3DS files which look only correctly with
 * pivot points disabled.
 * Property type: integer (1: true; !1: false).
 */
#define AI_CONFIG_IMPORT_3DS_IGNORE_PIVOT	"imp.3ds.nopivot"


// ---------------------------------------------------------------------------
/** \brief Specifies the maximum angle that may be between two vertex tangents
 *         that their tangents and bitangents are smoothed.
 *
 * This applies to the CalcTangentSpace-Step. The angle is specified
 * in degrees, so 180 is PI. The default value is
 * 45 degrees. The maximum value is 175.
 * Property type: float. 
 */
#define AI_CONFIG_PP_CT_MAX_SMOOTHING_ANGLE "pp.ct.max_smoothing"

// ---------------------------------------------------------------------------
/** \brief Specifies the maximum angle that may be between two face normals
 *         at the same vertex position that their are smoothed.
 *
 * This applies to the GenSmoothNormals-Step. The angle is specified
 * in degrees, so 180 is PI. The default value is
 * 175 degrees (all vertex normals are smoothed). The maximum value is 175
 * Property type: float. 
 */
#define AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE "pp.gsn.max_smoothing"


// ---------------------------------------------------------------------------
/** \brief Specifies the minimum number of faces a node should have.
 *         This is an input parameter to the OptimizeGraph-Step.
 *
 * Nodes whose referenced meshes have less faces than this value
 * are propably joined with neighbors with identical world matrices.
 * However, it is just a hint to the step.
 * Property type: integer 
 */
#define AI_CONFIG_PP_OG_MIN_NUM_FACES		"pp.og.min_faces"


// ---------------------------------------------------------------------------
/** \brief Specifies whether animations are removed from the asset.
 *         This is an input parameter to the OptimizeGraph-Step.
 *
 * If an application does not need the animation data, erasing it at the
 * beginning of the post-process pipeline allows some steps - including
 * OptimizeGraph itself - to apply further optimizations.
 * Property type: integer (1: true; !1: false).
 */
#define AI_CONFIG_PP_OG_REMOVE_ANIMATIONS	"pp.og.remove_anims"


// ---------------------------------------------------------------------------
/** \brief Specifies whether the OptimizeGraphProcess joins nodes even if
 *         their local transformations are inequal.
 *
 * By default, nodes with different local transformations are never joined.
 * The intention is that all vertices should remain in their original
 * local coordinate space where they are correctly centered and aligned,
 * which does also allow for some significant culling improvements.
 */
#define AI_CONFIG_PP_OG_JOIN_INEQUAL_TRANSFORMS	"pp.og.allow_diffwm"


// ---------------------------------------------------------------------------
/** \brief Sets the colormap (= palette) to be used to decode embedded
 *         textures in MDL files.
 *
 * This must be a valid path to a file. The file is 768 (256*3) bytes
 * large and contains RGB tripels for each of the 256 palette entries.
 * The default value is colormap.lmp. If the file is nto found,
 * a default palette is used.
 * Property type: string.
 */
#define AI_CONFIG_IMPORT_MDL_COLORMAP		"imp.mdl.color_map"




// ---------------------------------------------------------------------------
enum aiVertexComponent
{
	//! Normal vectors
	aiVertexComponent_NORMALS = 0x2u,

	//! Tangents and bitangents go always together ...
	aiVertexComponent_TANGENTS_AND_BITANGENTS = 0x4u,

	//! ALL color sets
	//! Use aiVertexComponent_COLORn(N) to specifiy the N'th set 
	aiVertexComponent_COLORS = 0x8,

	//! ALL texture UV sets
	//! aiVertexComponent_TEXCOORDn(N) to specifiy the N'th set 
	aiVertexComponent_TEXCOORDS = 0x10,
};

#define aiVertexComponent_COLORSn(n) (1u << (n+10u))
#define aiVertexComponent_TEXCOORDSn(n) (1u << (n+20u))


// ---------------------------------------------------------------------------
/** \brief Input parameter to the #aiProcess_RemVertexComponentXYZ step:
 *  Specifies the vertex components to be removed.
 *
 * See the documentation to this step for further details. The property
 * is expected to be an integer, a bitwise combination of the
 * #aiVertexComponent flags defined above in this header. The default
 * value is 0. 
 */
#define AI_CONFIG_PP_RVC_FLAGS				"pp.rvc.flags"

#endif // !! AI_CONFIG_H_INC