533 lines
19 KiB
C
533 lines
19 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Blender Foundation (2008).
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/makesrna/RNA_types.h
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* \ingroup RNA
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*/
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#include "../blenlib/BLI_sys_types.h"
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#ifndef __RNA_TYPES_H__
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#define __RNA_TYPES_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ParameterList;
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struct FunctionRNA;
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struct PropertyRNA;
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struct StructRNA;
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struct BlenderRNA;
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struct bContext;
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struct Main;
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struct ReportList;
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/** Pointer
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*
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* RNA pointers are not a single C pointer but include the type,
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* and a pointer to the ID struct that owns the struct, since
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* in some cases this information is needed to correctly get/set
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* the properties and validate them. */
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typedef struct PointerRNA {
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struct {
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void *data;
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} id;
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struct StructRNA *type;
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void *data;
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} PointerRNA;
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typedef struct PropertyPointerRNA {
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PointerRNA ptr;
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struct PropertyRNA *prop;
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} PropertyPointerRNA;
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/**
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* Stored result of a RNA path lookup (as used by anim-system)
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*/
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typedef struct PathResolvedRNA {
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struct PointerRNA ptr;
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struct PropertyRNA *prop;
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/* -1 for non-array access */
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int prop_index;
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} PathResolvedRNA;
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/* Property */
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typedef enum PropertyType {
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PROP_BOOLEAN = 0,
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PROP_INT = 1,
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PROP_FLOAT = 2,
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PROP_STRING = 3,
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PROP_ENUM = 4,
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PROP_POINTER = 5,
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PROP_COLLECTION = 6,
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} PropertyType;
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/* also update rna_property_subtype_unit when you change this */
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typedef enum PropertyUnit {
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PROP_UNIT_NONE = (0 << 16),
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PROP_UNIT_LENGTH = (1 << 16), /* m */
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PROP_UNIT_AREA = (2 << 16), /* m^2 */
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PROP_UNIT_VOLUME = (3 << 16), /* m^3 */
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PROP_UNIT_MASS = (4 << 16), /* kg */
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PROP_UNIT_ROTATION = (5 << 16), /* radians */
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PROP_UNIT_TIME = (6 << 16), /* frame */
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PROP_UNIT_VELOCITY = (7 << 16), /* m/s */
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PROP_UNIT_ACCELERATION = (8 << 16), /* m/(s^2) */
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PROP_UNIT_CAMERA = (9 << 16), /* mm */
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} PropertyUnit;
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#define RNA_SUBTYPE_UNIT(subtype) ((subtype) & 0x00FF0000)
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#define RNA_SUBTYPE_VALUE(subtype) ((subtype) & ~0x00FF0000)
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#define RNA_SUBTYPE_UNIT_VALUE(subtype) ((subtype) >> 16)
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#define RNA_ENUM_BITFLAG_SIZE 32
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#define RNA_TRANSLATION_PREC_DEFAULT 5
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#define RNA_STACK_ARRAY 32
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/* also update enums in bpy_props.c when adding items here
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* watch it: these values are written to files as part of
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* node socket button subtypes!
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*/
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typedef enum PropertySubType {
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PROP_NONE = 0,
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/* strings */
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PROP_FILEPATH = 1,
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PROP_DIRPATH = 2,
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PROP_FILENAME = 3,
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PROP_BYTESTRING = 4, /* a string which should be represented as bytes in python, NULL terminated though. */
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/* 5 was used by "PROP_TRANSLATE" sub-type, which is now a flag. */
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PROP_PASSWORD = 6, /* a string which should not be displayed in UI */
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/* numbers */
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PROP_PIXEL = 12,
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PROP_UNSIGNED = 13,
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PROP_PERCENTAGE = 14,
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PROP_FACTOR = 15,
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PROP_ANGLE = 16 | PROP_UNIT_ROTATION,
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PROP_TIME = 17 | PROP_UNIT_TIME,
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/* distance in 3d space, don't use for pixel distance for eg. */
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PROP_DISTANCE = 18 | PROP_UNIT_LENGTH,
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PROP_DISTANCE_CAMERA = 19 | PROP_UNIT_CAMERA,
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/* number arrays */
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PROP_COLOR = 20,
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PROP_TRANSLATION = 21 | PROP_UNIT_LENGTH,
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PROP_DIRECTION = 22,
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PROP_VELOCITY = 23 | PROP_UNIT_VELOCITY,
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PROP_ACCELERATION = 24 | PROP_UNIT_ACCELERATION,
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PROP_MATRIX = 25,
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PROP_EULER = 26 | PROP_UNIT_ROTATION,
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PROP_QUATERNION = 27,
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PROP_AXISANGLE = 28,
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PROP_XYZ = 29,
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PROP_XYZ_LENGTH = 29 | PROP_UNIT_LENGTH,
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PROP_COLOR_GAMMA = 30, /* used for colors which would be color managed before display */
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PROP_COORDS = 31, /* generic array, no units applied, only that x/y/z/w are used (python vec) */
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/* booleans */
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PROP_LAYER = 40,
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PROP_LAYER_MEMBER = 41,
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} PropertySubType;
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/* Make sure enums are updated with these */
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/* HIGHEST FLAG IN USE: 1 << 31
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* FREE FLAGS: 2, 9, 11, 13, 14, 15, 30 */
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typedef enum PropertyFlag {
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/* editable means the property is editable in the user
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* interface, properties are editable by default except
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* for pointers and collections. */
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PROP_EDITABLE = (1 << 0),
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/* this property is editable even if it is lib linked,
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* meaning it will get lost on reload, but it's useful
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* for editing. */
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PROP_LIB_EXCEPTION = (1 << 16),
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/* animatable means the property can be driven by some
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* other input, be it animation curves, expressions, ..
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* properties are animatable by default except for pointers
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* and collections */
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PROP_ANIMATABLE = (1 << 1),
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/* This flag means when the property's widget is in 'textedit' mode, it will be updated
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* after every typed char, instead of waiting final validation. Used e.g. for text searchbox.
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* It will also cause UI_BUT_VALUE_CLEAR to be set for text buttons. We could add an own flag
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* for search/filter properties, but this works just fine for now. */
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PROP_TEXTEDIT_UPDATE = (1u << 31),
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/* icon */
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PROP_ICONS_CONSECUTIVE = (1 << 12),
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/* hidden in the user interface */
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PROP_HIDDEN = (1 << 19),
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/* do not write in presets */
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PROP_SKIP_SAVE = (1 << 28),
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/* numbers */
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/* each value is related proportionally (object scale, image size) */
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PROP_PROPORTIONAL = (1 << 26),
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/* pointers */
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PROP_ID_REFCOUNT = (1 << 6),
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/* disallow assigning a variable to its self, eg an object tracking its self
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* only apply this to types that are derived from an ID ()*/
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PROP_ID_SELF_CHECK = (1 << 20),
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/* use for...
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* - pointers: in the UI and python so unsetting or setting to None won't work
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* - strings: so our internal generated get/length/set functions know to do NULL checks before access [#30865] */
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PROP_NEVER_NULL = (1 << 18),
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/* currently only used for UI, this is similar to PROP_NEVER_NULL
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* except that the value may be NULL at times, used for ObData, where an Empty's will be NULL
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* but setting NULL on a mesh object is not possible. So, if its not NULL, setting NULL cant be done! */
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PROP_NEVER_UNLINK = (1 << 25),
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/* Pointers to data that is not owned by the struct.
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* Typical example: Bone.parent, Bone.child, etc., and nearly all ID pointers.
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* This is crucial information for processes that walk the whole data of an ID e.g. (like static override).
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* Note that all ID pointers are enforced to this by default, this probably will need to be rechecked
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* (see ugly infamous NodeTrees of mat/tex/scene/etc.). */
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PROP_PTR_NO_OWNERSHIP = (1 << 7),
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/* flag contains multiple enums.
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* note: not to be confused with prop->enumbitflags
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* this exposes the flag as multiple options in python and the UI.
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*
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* note: these can't be animated so use with care.
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*/
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PROP_ENUM_FLAG = (1 << 21),
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/* need context for update function */
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PROP_CONTEXT_UPDATE = (1 << 22),
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PROP_CONTEXT_PROPERTY_UPDATE = PROP_CONTEXT_UPDATE | (1 << 27),
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/* registering */
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PROP_REGISTER = (1 << 4),
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PROP_REGISTER_OPTIONAL = PROP_REGISTER | (1 << 5),
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/* Use for arrays or for any data that should not have a reference kept
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* most common case is functions that return arrays where the array */
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PROP_THICK_WRAP = (1 << 23),
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PROP_IDPROPERTY = (1 << 10), /* This is an IDProperty, not a DNA one. */
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PROP_DYNAMIC = (1 << 17), /* for dynamic arrays, and retvals of type string */
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PROP_ENUM_NO_CONTEXT = (1 << 24), /* for enum that shouldn't be contextual */
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PROP_ENUM_NO_TRANSLATE = (1 << 29), /* for enums not to be translated (e.g. viewlayers' names in nodes) */
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} PropertyFlag;
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/* Flags related to comparing and overriding RNA properties. Make sure enums are updated with these */
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/* FREE FLAGS: 2, 3, 4, 5, 6, 7, 8, 9, 12 and above. */
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typedef enum PropertyOverrideFlag {
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/* Means the property can be overridden by a local 'proxy' of some linked datablock. */
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PROPOVERRIDE_OVERRIDABLE_STATIC = (1 << 0),
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/* Forbid usage of this property in comparison (& hence override) code.
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* Useful e.g. for collections of data like mesh's geometry, particles, etc. */
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PROPOVERRIDE_NO_COMPARISON = (1 << 1),
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/*** Collections-related ***/
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/* The property supports insertion (collections only). */
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PROPOVERRIDE_STATIC_INSERTION = (1 << 10),
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/* Only use indices to compare items in the property, never names (collections only). */
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/* Useful when nameprop of the items is generated from other data
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* (e.g. name of material slots is actually name of assigned material). */
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PROPOVERRIDE_NO_PROP_NAME = (1 << 11),
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} PropertyOverrideFlag;
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/* Function parameters flags.
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* WARNING: 16bits only. */
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typedef enum ParameterFlag {
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PARM_REQUIRED = (1 << 0),
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PARM_OUTPUT = (1 << 1),
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PARM_RNAPTR = (1 << 2),
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/* This allows for non-breaking API updates, when adding non-critical new parameter to a callback function.
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* This way, old py code defining funcs without that parameter would still work.
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* WARNING: any parameter after the first PYFUNC_OPTIONAL one will be considered as optional!
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* NOTE: only for input parameters!
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*/
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PARM_PYFUNC_OPTIONAL = (1 << 3),
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} ParameterFlag;
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struct CollectionPropertyIterator;
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struct Link;
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typedef int (*IteratorSkipFunc)(struct CollectionPropertyIterator *iter, void *data);
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typedef struct ListBaseIterator {
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struct Link *link;
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int flag;
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IteratorSkipFunc skip;
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} ListBaseIterator;
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typedef struct ArrayIterator {
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char *ptr;
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char *endptr; /* past the last valid pointer, only for comparisons, ignores skipped values */
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void *free_ptr; /* will be freed if set */
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int itemsize;
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/* array length with no skip functions applied, take care not to compare against index from animsys
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* or python indices */
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int length;
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/* optional skip function, when set the array as viewed by rna can contain only a subset of the members.
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* this changes indices so quick array index lookups are not possible when skip function is used. */
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IteratorSkipFunc skip;
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} ArrayIterator;
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typedef struct CollectionPropertyIterator {
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/* internal */
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PointerRNA parent;
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PointerRNA builtin_parent;
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struct PropertyRNA *prop;
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union {
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ArrayIterator array;
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ListBaseIterator listbase;
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void *custom;
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} internal;
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int idprop;
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int level;
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/* external */
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PointerRNA ptr;
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int valid;
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} CollectionPropertyIterator;
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typedef struct CollectionPointerLink {
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struct CollectionPointerLink *next, *prev;
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PointerRNA ptr;
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} CollectionPointerLink;
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/* Copy of ListBase for RNA... */
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typedef struct CollectionListBase {
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struct CollectionPointerLink *first, *last;
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} CollectionListBase;
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typedef enum RawPropertyType {
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PROP_RAW_UNSET = -1,
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PROP_RAW_INT, // XXX - abused for types that are not set, eg. MFace.verts, needs fixing.
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PROP_RAW_SHORT,
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PROP_RAW_CHAR,
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PROP_RAW_BOOLEAN,
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PROP_RAW_DOUBLE,
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PROP_RAW_FLOAT
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} RawPropertyType;
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typedef struct RawArray {
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void *array;
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RawPropertyType type;
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int len;
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int stride;
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} RawArray;
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/**
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* This struct is are typically defined in arrays which define an *enum* for RNA,
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* which is used by the RNA API both for user-interface and the Python API.
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*/
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typedef struct EnumPropertyItem {
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/** The internal value of the enum, not exposed to users. */
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int value;
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/**
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* Note that identifiers must be unique within the array,
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* by convention they're upper case with underscores for separators.
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* - An empty string is used to define menu separators.
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* - NULL denotes the end of the array of items.
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*/
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const char *identifier;
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/** Optional icon, typically 'ICON_NONE' */
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int icon;
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/** Name displayed in the interface. */
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const char *name;
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/** Longer description used in the interface. */
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const char *description;
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} EnumPropertyItem;
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/* extended versions with PropertyRNA argument */
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typedef bool (*BooleanPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop);
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typedef void (*BooleanPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, bool value);
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typedef void (*BooleanArrayPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, bool *values);
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typedef void (*BooleanArrayPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, const bool *values);
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typedef int (*IntPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop);
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typedef void (*IntPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, int value);
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typedef void (*IntArrayPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, int *values);
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typedef void (*IntArrayPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, const int *values);
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typedef void (*IntPropertyRangeFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, int *min, int *max, int *softmin, int *softmax);
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typedef float (*FloatPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop);
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typedef void (*FloatPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, float value);
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typedef void (*FloatArrayPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, float *values);
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typedef void (*FloatArrayPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, const float *values);
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typedef void (*FloatPropertyRangeFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, float *min, float *max, float *softmin, float *softmax);
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typedef void (*StringPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, char *value);
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typedef int (*StringPropertyLengthFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop);
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typedef void (*StringPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, const char *value);
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typedef int (*EnumPropertyGetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop);
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typedef void (*EnumPropertySetFunc)(struct PointerRNA *ptr, struct PropertyRNA *prop, int value);
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/* same as PropEnumItemFunc */
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typedef const EnumPropertyItem *(*EnumPropertyItemFunc)(struct bContext *C, PointerRNA *ptr, struct PropertyRNA *prop, bool *r_free);
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typedef struct PropertyRNA PropertyRNA;
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/* Parameter List */
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typedef struct ParameterList {
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/* storage for parameters */
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void *data;
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/* function passed at creation time */
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struct FunctionRNA *func;
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/* store the parameter size */
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int alloc_size;
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int arg_count, ret_count;
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} ParameterList;
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typedef struct ParameterIterator {
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struct ParameterList *parms;
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/* PointerRNA funcptr; */ /*UNUSED*/
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void *data;
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int size, offset;
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PropertyRNA *parm;
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int valid;
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} ParameterIterator;
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/* mainly to avoid confusing casts */
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typedef struct ParameterDynAlloc {
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intptr_t array_tot; /* important, this breaks when set to an int */
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void *array;
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} ParameterDynAlloc;
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/* Function */
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typedef enum FunctionFlag {
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/***** Options affecting callback signature. *****/
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/* Those add additional parameters at the beginning of the C callback, like that:
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* rna_my_func([ID *_selfid],
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* [<DNA_STRUCT> *self|StructRNA *type],
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* [Main *bmain],
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* [bContext *C],
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* [ReportList *reports],
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* <other RNA-defined parameters>);
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*/
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/* Pass ID owning 'self' data (i.e. ptr->id.data, might be same as self in case data is an ID...). */
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FUNC_USE_SELF_ID = (1 << 11),
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/* Do not pass the object (DNA struct pointer) from which it is called, used to define static or class functions. */
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FUNC_NO_SELF = (1 << 0),
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/* Pass RNA type, used to define class functions, only valid when FUNC_NO_SELF is set. */
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FUNC_USE_SELF_TYPE = (1 << 1),
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/* Pass Main, bContext and/or ReportList. */
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FUNC_USE_MAIN = (1 << 2),
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FUNC_USE_CONTEXT = (1 << 3),
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FUNC_USE_REPORTS = (1 << 4),
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/***** Registering of python subclasses. *****/
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/* This function is part of the registerable class' interface, and can be implemented/redefined in python. */
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FUNC_REGISTER = (1 << 5),
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/* Subclasses can choose not to implement this function. */
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FUNC_REGISTER_OPTIONAL = FUNC_REGISTER | (1 << 6),
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/* If not set, the python function implementing this call is not allowed to write into data-blocks.
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* Except for WindowManager and Screen currently, see rna_id_write_error() in bpy_rna.c */
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FUNC_ALLOW_WRITE = (1 << 12),
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/***** Internal flags. *****/
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/* UNUSED CURRENTLY? ??? */
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FUNC_BUILTIN = (1 << 7),
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/* UNUSED CURRENTLY. ??? */
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FUNC_EXPORT = (1 << 8),
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/* Function has been defined at runtime, not statically in RNA source code. */
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FUNC_RUNTIME = (1 << 9),
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/* UNUSED CURRENTLY? Function owns its identifier and description strings, and has to free them when deleted. */
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FUNC_FREE_POINTERS = (1 << 10),
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} FunctionFlag;
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typedef void (*CallFunc)(struct bContext *C, struct ReportList *reports, PointerRNA *ptr, ParameterList *parms);
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typedef struct FunctionRNA FunctionRNA;
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/* Struct */
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typedef enum StructFlag {
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/* indicates that this struct is an ID struct, and to use refcounting */
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STRUCT_ID = (1 << 0),
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STRUCT_ID_REFCOUNT = (1 << 1),
|
|
STRUCT_UNDO = (1 << 2), /* defaults on, clear for user preferences and similar */
|
|
|
|
/* internal flags */
|
|
STRUCT_RUNTIME = (1 << 3),
|
|
STRUCT_GENERATED = (1 << 4),
|
|
STRUCT_FREE_POINTERS = (1 << 5),
|
|
STRUCT_NO_IDPROPERTIES = (1 << 6), /* Menus and Panels don't need properties */
|
|
STRUCT_NO_DATABLOCK_IDPROPERTIES = (1 << 7), /* e.g. for Operator */
|
|
STRUCT_CONTAINS_DATABLOCK_IDPROPERTIES = (1 << 8), /* for PropertyGroup which contains pointers to datablocks */
|
|
STRUCT_PUBLIC_NAMESPACE = (1 << 9), /* Added to type-map #BlenderRNA.structs_map */
|
|
STRUCT_PUBLIC_NAMESPACE_INHERIT = (1 << 10), /* All subtypes are added too. */
|
|
} StructFlag;
|
|
|
|
typedef int (*StructValidateFunc)(struct PointerRNA *ptr, void *data, int *have_function);
|
|
typedef int (*StructCallbackFunc)(struct bContext *C, struct PointerRNA *ptr, struct FunctionRNA *func, ParameterList *list);
|
|
typedef void (*StructFreeFunc)(void *data);
|
|
typedef struct StructRNA *(*StructRegisterFunc)(
|
|
struct Main *bmain, struct ReportList *reports, void *data, const char *identifier,
|
|
StructValidateFunc validate, StructCallbackFunc call, StructFreeFunc free);
|
|
|
|
typedef void (*StructUnregisterFunc)(struct Main *bmain, struct StructRNA *type);
|
|
typedef void **(*StructInstanceFunc)(PointerRNA *ptr);
|
|
|
|
typedef struct StructRNA StructRNA;
|
|
|
|
/* Blender RNA
|
|
*
|
|
* Root RNA data structure that lists all struct types. */
|
|
|
|
typedef struct BlenderRNA BlenderRNA;
|
|
|
|
/* Extending
|
|
*
|
|
* This struct must be embedded in *Type structs in
|
|
* order to make then definable through RNA. */
|
|
|
|
typedef struct ExtensionRNA {
|
|
void *data;
|
|
StructRNA *srna;
|
|
StructCallbackFunc call;
|
|
StructFreeFunc free;
|
|
} ExtensionRNA;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __RNA_TYPES_H__ */
|