blender-archive/source/blender/makesrna/intern/rna_ID.c

/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Contributor(s): Blender Foundation (2008).
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/makesrna/intern/rna_ID.c
 *  \ingroup RNA
 */

#include <stdlib.h>
#include <stdio.h>

#include "DNA_ID.h"
#include "DNA_vfont_types.h"
#include "DNA_material_types.h"
#include "DNA_object_types.h"

#include "BLI_utildefines.h"
#include "BLI_math_base.h"

#include "BKE_icons.h"
#include "BKE_object.h"

#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "WM_types.h"

#include "rna_internal.h"

/* enum of ID-block types
 * NOTE: need to keep this in line with the other defines for these
 */
const EnumPropertyItem rna_enum_id_type_items[] = {
	{ID_AC, "ACTION", ICON_ACTION, "Action", ""},
	{ID_AR, "ARMATURE", ICON_ARMATURE_DATA, "Armature", ""},
	{ID_BR, "BRUSH", ICON_BRUSH_DATA, "Brush", ""},
	{ID_CA, "CAMERA", ICON_CAMERA_DATA, "Camera", ""},
	{ID_CF, "CACHEFILE", ICON_FILE, "Cache File", ""},
	{ID_CU, "CURVE", ICON_CURVE_DATA, "Curve", ""},
	{ID_VF, "FONT", ICON_FONT_DATA, "Font", ""},
	{ID_GD, "GREASEPENCIL", ICON_GREASEPENCIL, "Grease Pencil", ""},
	{ID_GR, "GROUP", ICON_GROUP, "Group", ""},
	{ID_IM, "IMAGE", ICON_IMAGE_DATA, "Image", ""},
	{ID_KE, "KEY", ICON_SHAPEKEY_DATA, "Key", ""},
	{ID_LA, "LAMP", ICON_LAMP_DATA, "Lamp", ""},
	{ID_LI, "LIBRARY", ICON_LIBRARY_DATA_DIRECT, "Library", ""},
	{ID_LS, "LINESTYLE", ICON_LINE_DATA, "Line Style", ""},
	{ID_LT, "LATTICE", ICON_LATTICE_DATA, "Lattice", ""},
	{ID_MSK, "MASK", ICON_MOD_MASK, "Mask", ""},
	{ID_MA, "MATERIAL", ICON_MATERIAL_DATA, "Material", ""},
	{ID_MB, "META", ICON_META_DATA, "Metaball", ""},
	{ID_ME, "MESH", ICON_MESH_DATA, "Mesh", ""},
	{ID_MC, "MOVIECLIP", ICON_CLIP, "Movie Clip", ""},
	{ID_NT, "NODETREE", ICON_NODETREE, "Node Tree", ""},
	{ID_OB, "OBJECT", ICON_OBJECT_DATA, "Object", ""},
	{ID_PC, "PAINTCURVE", ICON_CURVE_BEZCURVE, "Paint Curve", ""},
	{ID_PAL, "PALETTE", ICON_COLOR, "Palette", ""},
	{ID_PA, "PARTICLE", ICON_PARTICLE_DATA, "Particle", ""},
	{ID_SCE, "SCENE", ICON_SCENE_DATA, "Scene", ""},
	{ID_SCR, "SCREEN", ICON_SPLITSCREEN, "Screen", ""},
	{ID_SO, "SOUND", ICON_PLAY_AUDIO, "Sound", ""},
	{ID_SPK, "SPEAKER", ICON_SPEAKER, "Speaker", ""},
	{ID_TXT, "TEXT", ICON_TEXT, "Text", ""},
	{ID_TE, "TEXTURE", ICON_TEXTURE_DATA, "Texture", ""},
	{ID_WM, "WINDOWMANAGER", ICON_FULLSCREEN, "Window Manager", ""},
	{ID_WO, "WORLD", ICON_WORLD_DATA, "World", ""},
	{0, NULL, 0, NULL, NULL}
};

#ifdef RNA_RUNTIME

#include "DNA_anim_types.h"

#include "BLI_listbase.h"

#include "BKE_font.h"
#include "BKE_idprop.h"
#include "BKE_library.h"
#include "BKE_library_query.h"
#include "BKE_library_remap.h"
#include "BKE_animsys.h"
#include "BKE_material.h"
#include "BKE_depsgraph.h"
#include "BKE_global.h"  /* XXX, remove me */

#include "WM_api.h"

/* name functions that ignore the first two ID characters */
void rna_ID_name_get(PointerRNA *ptr, char *value)
{
	ID *id = (ID *)ptr->data;
	BLI_strncpy(value, id->name + 2, sizeof(id->name) - 2);
}

int rna_ID_name_length(PointerRNA *ptr)
{
	ID *id = (ID *)ptr->data;
	return strlen(id->name + 2);
}

void rna_ID_name_set(PointerRNA *ptr, const char *value)
{
	ID *id = (ID *)ptr->data;
	BLI_strncpy_utf8(id->name + 2, value, sizeof(id->name) - 2);
	BLI_libblock_ensure_unique_name(G.main, id->name);
}

static int rna_ID_name_editable(PointerRNA *ptr, const char **UNUSED(r_info))
{
	ID *id = (ID *)ptr->data;
	
	if (GS(id->name) == ID_VF) {
		VFont *vfont = (VFont *)id;
		if (BKE_vfont_is_builtin(vfont))
			return false;
	}
	
	return PROP_EDITABLE;
}

short RNA_type_to_ID_code(const StructRNA *type)
{
	const StructRNA *base_type = RNA_struct_base_child_of(type, &RNA_ID);
	if (UNLIKELY(base_type == NULL)) {
		return 0;
	}
	if (base_type == &RNA_Action) return ID_AC;
	if (base_type == &RNA_Armature) return ID_AR;
	if (base_type == &RNA_Brush) return ID_BR;
	if (base_type == &RNA_CacheFile) return ID_CF;
	if (base_type == &RNA_Camera) return ID_CA;
	if (base_type == &RNA_Curve) return ID_CU;
	if (base_type == &RNA_GreasePencil) return ID_GD;
	if (base_type == &RNA_Group) return ID_GR;
	if (base_type == &RNA_Image) return ID_IM;
	if (base_type == &RNA_Key) return ID_KE;
	if (base_type == &RNA_Lamp) return ID_LA;
	if (base_type == &RNA_Library) return ID_LI;
	if (base_type == &RNA_FreestyleLineStyle) return ID_LS;
	if (base_type == &RNA_Lattice) return ID_LT;
	if (base_type == &RNA_Material) return ID_MA;
	if (base_type == &RNA_MetaBall) return ID_MB;
	if (base_type == &RNA_MovieClip) return ID_MC;
	if (base_type == &RNA_Mesh) return ID_ME;
	if (base_type == &RNA_Mask) return ID_MSK;
	if (base_type == &RNA_NodeTree) return ID_NT;
	if (base_type == &RNA_Object) return ID_OB;
	if (base_type == &RNA_ParticleSettings) return ID_PA;
	if (base_type == &RNA_Palette) return ID_PAL;
	if (base_type == &RNA_PaintCurve) return ID_PC;
	if (base_type == &RNA_Scene) return ID_SCE;
	if (base_type == &RNA_Screen) return ID_SCR;
	if (base_type == &RNA_Sound) return ID_SO;
	if (base_type == &RNA_Speaker) return ID_SPK;
	if (base_type == &RNA_Texture) return ID_TE;
	if (base_type == &RNA_Text) return ID_TXT;
	if (base_type == &RNA_VectorFont) return ID_VF;
	if (base_type == &RNA_World) return ID_WO;
	if (base_type == &RNA_WindowManager) return ID_WM;

	return 0;
}

StructRNA *ID_code_to_RNA_type(short idcode)
{
	/* Note, this switch doesn't use a 'default',
	 * so adding new ID's causes a warning. */
	switch ((ID_Type)idcode) {
		case ID_AC: return &RNA_Action;
		case ID_AR: return &RNA_Armature;
		case ID_BR: return &RNA_Brush;
		case ID_CA: return &RNA_Camera;
		case ID_CF: return &RNA_CacheFile;
		case ID_CU: return &RNA_Curve;
		case ID_GD: return &RNA_GreasePencil;
		case ID_GR: return &RNA_Group;
		case ID_IM: return &RNA_Image;
		case ID_KE: return &RNA_Key;
		case ID_LA: return &RNA_Lamp;
		case ID_LI: return &RNA_Library;
		case ID_LS: return &RNA_FreestyleLineStyle;
		case ID_LT: return &RNA_Lattice;
		case ID_MA: return &RNA_Material;
		case ID_MB: return &RNA_MetaBall;
		case ID_MC: return &RNA_MovieClip;
		case ID_ME: return &RNA_Mesh;
		case ID_MSK: return &RNA_Mask;
		case ID_NT: return &RNA_NodeTree;
		case ID_OB: return &RNA_Object;
		case ID_PA: return &RNA_ParticleSettings;
		case ID_PAL: return &RNA_Palette;
		case ID_PC: return &RNA_PaintCurve;
		case ID_SCE: return &RNA_Scene;
		case ID_SCR: return &RNA_Screen;
		case ID_SO: return &RNA_Sound;
		case ID_SPK: return &RNA_Speaker;
		case ID_TE: return &RNA_Texture;
		case ID_TXT: return &RNA_Text;
		case ID_VF: return &RNA_VectorFont;
		case ID_WM: return &RNA_WindowManager;
		case ID_WO: return &RNA_World;

		/* deprecated */
		case ID_IP: break;
	}

	return &RNA_ID;
}

StructRNA *rna_ID_refine(PointerRNA *ptr)
{
	ID *id = (ID *)ptr->data;

	return ID_code_to_RNA_type(GS(id->name));
}

IDProperty *rna_ID_idprops(PointerRNA *ptr, bool create)
{
	return IDP_GetProperties(ptr->data, create);
}

void rna_ID_fake_user_set(PointerRNA *ptr, int value)
{
	ID *id = (ID *)ptr->data;

	if (value) {
		id_fake_user_set(id);
	}
	else {
		id_fake_user_clear(id);
	}
}

IDProperty *rna_PropertyGroup_idprops(PointerRNA *ptr, bool UNUSED(create))
{
	return ptr->data;
}

void rna_PropertyGroup_unregister(Main *UNUSED(bmain), StructRNA *type)
{
	RNA_struct_free(&BLENDER_RNA, type);
}

StructRNA *rna_PropertyGroup_register(
        Main *UNUSED(bmain), ReportList *reports, void *data, const char *identifier,
        StructValidateFunc validate, StructCallbackFunc UNUSED(call),
        StructFreeFunc UNUSED(free))
{
	PointerRNA dummyptr;

	/* create dummy pointer */
	RNA_pointer_create(NULL, &RNA_PropertyGroup, NULL, &dummyptr);

	/* validate the python class */
	if (validate(&dummyptr, data, NULL) != 0)
		return NULL;

	/* note: it looks like there is no length limit on the srna id since its
	 * just a char pointer, but take care here, also be careful that python
	 * owns the string pointer which it could potentially free while blender
	 * is running. */
	if (BLI_strnlen(identifier, MAX_IDPROP_NAME) == MAX_IDPROP_NAME) {
		BKE_reportf(reports, RPT_ERROR, "Registering id property class: '%s' is too long, maximum length is %d",
		            identifier, MAX_IDPROP_NAME);
		return NULL;
	}

	return RNA_def_struct_ptr(&BLENDER_RNA, identifier, &RNA_PropertyGroup);  /* XXX */
}

StructRNA *rna_PropertyGroup_refine(PointerRNA *ptr)
{
	return ptr->type;
}

static ID *rna_ID_copy(ID *id, Main *bmain)
{
	ID *newid;

	if (id_copy(bmain, id, &newid, false)) {
		if (newid) id_us_min(newid);
		return newid;
	}
	
	return NULL;
}

static void rna_ID_update_tag(ID *id, ReportList *reports, int flag)
{
	/* XXX, new function for this! */
#if 0
	if (ob->type == OB_FONT) {
		Curve *cu = ob->data;
		freedisplist(&cu->disp);
		BKE_vfont_to_curve(bmain, sce, ob, FO_EDIT, NULL);
	}
#endif

	if (flag == 0) {
		/* pass */
	}
	else {
		/* ensure flag us correct for the type */
		switch (GS(id->name)) {
			case ID_OB:
				if (flag & ~(OB_RECALC_ALL)) {
					BKE_report(reports, RPT_ERROR, "'Refresh' incompatible with Object ID type");
					return;
				}
				break;
				/* Could add particle updates later */
#if 0
			case ID_PA:
				if (flag & ~(OB_RECALC_ALL | PSYS_RECALC)) {
					BKE_report(reports, RPT_ERROR, "'Refresh' incompatible with ParticleSettings ID type");
					return;
				}
				break;
#endif
			default:
				BKE_report(reports, RPT_ERROR, "This ID type is not compatible with any 'refresh' options");
				return;
		}
	}

	DAG_id_tag_update(id, flag);
}

static void rna_ID_user_clear(ID *id)
{
	id_fake_user_clear(id);
	id->us = 0; /* don't save */
}

static void rna_ID_user_remap(ID *id, Main *bmain, ID *new_id)
{
	if ((GS(id->name) == GS(new_id->name)) && (id != new_id)) {
		/* For now, do not allow remapping data in linked data from here... */
		BKE_libblock_remap(bmain, id, new_id, ID_REMAP_SKIP_INDIRECT_USAGE | ID_REMAP_SKIP_NEVER_NULL_USAGE);
	}
}

static struct ID *rna_ID_make_local(struct ID *self, Main *bmain, int clear_proxy)
{
	/* Special case, as we can't rely on id_make_local(); it clears proxies. */
	if (!clear_proxy && GS(self->name) == ID_OB) {
		BKE_object_make_local_ex(bmain, (Object *)self, false, clear_proxy);
	}
	else {
		id_make_local(bmain, self, false, false);
	}

	ID *ret_id = self->newid ? self->newid : self;
	BKE_id_clear_newpoin(self);
	return ret_id;
}


static AnimData * rna_ID_animation_data_create(ID *id, Main *bmain)
{
	AnimData *adt = BKE_animdata_add_id(id);
	DAG_relations_tag_update(bmain);
	return adt;
}

static void rna_ID_animation_data_free(ID *id, Main *bmain)
{
	BKE_animdata_free(id, true);
	DAG_relations_tag_update(bmain);
}

#ifdef WITH_PYTHON
void **rna_ID_instance(PointerRNA *ptr)
{
	ID *id = (ID *)ptr->data;
	return &id->py_instance;
}
#endif

static void rna_IDPArray_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
	IDProperty *prop = (IDProperty *)ptr->data;
	rna_iterator_array_begin(iter, IDP_IDPArray(prop), sizeof(IDProperty), prop->len, 0, NULL);
}

static int rna_IDPArray_length(PointerRNA *ptr)
{
	IDProperty *prop = (IDProperty *)ptr->data;
	return prop->len;
}

int rna_IDMaterials_assign_int(PointerRNA *ptr, int key, const PointerRNA *assign_ptr)
{
	ID *id =           ptr->id.data;
	short *totcol = give_totcolp_id(id);
	Material *mat_id = assign_ptr->id.data;
	if (totcol && (key >= 0 && key < *totcol)) {
		assign_material_id(id, mat_id, key + 1);
		return 1;
	}
	else {
		return 0;
	}
}

static void rna_IDMaterials_append_id(ID *id, Main *bmain, Material *ma)
{
	BKE_material_append_id(bmain, id, ma);

	WM_main_add_notifier(NC_OBJECT | ND_DRAW, id);
	WM_main_add_notifier(NC_OBJECT | ND_OB_SHADING, id);
}

static Material *rna_IDMaterials_pop_id(ID *id, Main *bmain, ReportList *reports, int index_i, int remove_material_slot)
{
	Material *ma;
	short *totcol = give_totcolp_id(id);
	const short totcol_orig = *totcol;
	if (index_i < 0) {
		index_i += (*totcol);
	}

	if ((index_i < 0) || (index_i >= (*totcol))) {
		BKE_report(reports, RPT_ERROR, "Index out of range");
		return NULL;
	}

	ma = BKE_material_pop_id(bmain, id, index_i, remove_material_slot);

	if (*totcol == totcol_orig) {
		BKE_report(reports, RPT_ERROR, "No material to removed");
		return NULL;
	}

	DAG_id_tag_update(id, OB_RECALC_DATA);
	WM_main_add_notifier(NC_OBJECT | ND_DRAW, id);
	WM_main_add_notifier(NC_OBJECT | ND_OB_SHADING, id);

	return ma;
}

static void rna_IDMaterials_clear_id(ID *id, int remove_material_slot)
{
	BKE_material_clear_id(G.main, id, remove_material_slot);

	DAG_id_tag_update(id, OB_RECALC_DATA);
	WM_main_add_notifier(NC_OBJECT | ND_DRAW, id);
	WM_main_add_notifier(NC_OBJECT | ND_OB_SHADING, id);
}

static void rna_Library_filepath_set(PointerRNA *ptr, const char *value)
{
	Library *lib = (Library *)ptr->data;
	BKE_library_filepath_set(lib, value);
}

/* ***** ImagePreview ***** */

static void rna_ImagePreview_is_custom_set(PointerRNA *ptr, int value, enum eIconSizes size)
{
	ID *id = ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	if ((value && (prv_img->flag[size] & PRV_USER_EDITED)) || (!value && !(prv_img->flag[size] & PRV_USER_EDITED))) {
		return;
	}

	if (value)
		prv_img->flag[size] |= PRV_USER_EDITED;
	else
		prv_img->flag[size] &= ~PRV_USER_EDITED;

	prv_img->flag[size] |= PRV_CHANGED;

	BKE_previewimg_clear_single(prv_img, size);
}

static void rna_ImagePreview_size_get(PointerRNA *ptr, int *values, enum eIconSizes size)
{
	ID *id = (ID *)ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	BKE_previewimg_ensure(prv_img, size);

	values[0] = prv_img->w[size];
	values[1] = prv_img->h[size];
}

static void rna_ImagePreview_size_set(PointerRNA *ptr, const int *values, enum eIconSizes size)
{
	ID *id = (ID *)ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	BKE_previewimg_clear_single(prv_img, size);

	if (values[0] && values[1]) {
		prv_img->rect[size] = MEM_callocN(values[0] * values[1] * sizeof(unsigned int), "prv_rect");

		prv_img->w[size] = values[0];
		prv_img->h[size] = values[1];
	}

	prv_img->flag[size] |= (PRV_CHANGED | PRV_USER_EDITED);
}


static int rna_ImagePreview_pixels_get_length(PointerRNA *ptr, int length[RNA_MAX_ARRAY_DIMENSION], enum eIconSizes size)
{
	ID *id = ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	BKE_previewimg_ensure(prv_img, size);

	length[0] = prv_img->w[size] * prv_img->h[size];

	return length[0];
}

static void rna_ImagePreview_pixels_get(PointerRNA *ptr, int *values, enum eIconSizes size)
{
	ID *id = ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	BKE_previewimg_ensure(prv_img, size);

	memcpy(values, prv_img->rect[size], prv_img->w[size] * prv_img->h[size] * sizeof(unsigned int));
}

static void rna_ImagePreview_pixels_set(PointerRNA *ptr, const int *values, enum eIconSizes size)
{
	ID *id = ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	memcpy(prv_img->rect[size], values, prv_img->w[size] * prv_img->h[size] * sizeof(unsigned int));
	prv_img->flag[size] |= PRV_USER_EDITED;
}


static int rna_ImagePreview_pixels_float_get_length(
        PointerRNA *ptr, int length[RNA_MAX_ARRAY_DIMENSION], enum eIconSizes size)
{
	ID *id = ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	BLI_assert(sizeof(unsigned int) == 4);

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	BKE_previewimg_ensure(prv_img, size);

	length[0] = prv_img->w[size] * prv_img->h[size] * 4;

	return length[0];
}

static void rna_ImagePreview_pixels_float_get(PointerRNA *ptr, float *values, enum eIconSizes size)
{
	ID *id = ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	unsigned char *data = (unsigned char *)prv_img->rect[size];
	const size_t len = prv_img->w[size] * prv_img->h[size] * 4;
	size_t i;

	BLI_assert(sizeof(unsigned int) == 4);

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	BKE_previewimg_ensure(prv_img, size);

	for (i = 0; i < len; i++) {
		values[i] = data[i] * (1.0f / 255.0f);
	}
}

static void rna_ImagePreview_pixels_float_set(PointerRNA *ptr, const float *values, enum eIconSizes size)
{
	ID *id = ptr->id.data;
	PreviewImage *prv_img = (PreviewImage *)ptr->data;

	unsigned char *data = (unsigned char *)prv_img->rect[size];
	const size_t len = prv_img->w[size] * prv_img->h[size] * 4;
	size_t i;

	BLI_assert(sizeof(unsigned int) == 4);

	if (id != NULL) {
		BLI_assert(prv_img == BKE_previewimg_id_ensure(id));
	}

	for (i = 0; i < len; i++) {
		data[i] = FTOCHAR(values[i]);
	}
	prv_img->flag[size] |= PRV_USER_EDITED;
}


static void rna_ImagePreview_is_image_custom_set(PointerRNA *ptr, int value)
{
	rna_ImagePreview_is_custom_set(ptr, value, ICON_SIZE_PREVIEW);
}

static void rna_ImagePreview_image_size_get(PointerRNA *ptr, int *values)
{
	rna_ImagePreview_size_get(ptr, values, ICON_SIZE_PREVIEW);
}

static void rna_ImagePreview_image_size_set(PointerRNA *ptr, const int *values)
{
	rna_ImagePreview_size_set(ptr, values, ICON_SIZE_PREVIEW);
}

static int rna_ImagePreview_image_pixels_get_length(PointerRNA *ptr, int length[RNA_MAX_ARRAY_DIMENSION])
{
	return rna_ImagePreview_pixels_get_length(ptr, length, ICON_SIZE_PREVIEW);
}

static void rna_ImagePreview_image_pixels_get(PointerRNA *ptr, int *values)
{
	rna_ImagePreview_pixels_get(ptr, values, ICON_SIZE_PREVIEW);
}

static void rna_ImagePreview_image_pixels_set(PointerRNA *ptr, const int *values)
{
	rna_ImagePreview_pixels_set(ptr, values, ICON_SIZE_PREVIEW);
}

static int rna_ImagePreview_image_pixels_float_get_length(PointerRNA *ptr, int length[RNA_MAX_ARRAY_DIMENSION])
{
	return rna_ImagePreview_pixels_float_get_length(ptr, length, ICON_SIZE_PREVIEW);
}

static void rna_ImagePreview_image_pixels_float_get(PointerRNA *ptr, float *values)
{
	rna_ImagePreview_pixels_float_get(ptr, values, ICON_SIZE_PREVIEW);
}

static void rna_ImagePreview_image_pixels_float_set(PointerRNA *ptr, const float *values)
{
	rna_ImagePreview_pixels_float_set(ptr, values, ICON_SIZE_PREVIEW);
}


static void rna_ImagePreview_is_icon_custom_set(PointerRNA *ptr, int value)
{
	rna_ImagePreview_is_custom_set(ptr, value, ICON_SIZE_ICON);
}

static void rna_ImagePreview_icon_size_get(PointerRNA *ptr, int *values)
{
	rna_ImagePreview_size_get(ptr, values, ICON_SIZE_ICON);
}

static void rna_ImagePreview_icon_size_set(PointerRNA *ptr, const int *values)
{
	rna_ImagePreview_size_set(ptr, values, ICON_SIZE_ICON);
}

static int rna_ImagePreview_icon_pixels_get_length(PointerRNA *ptr, int length[RNA_MAX_ARRAY_DIMENSION])
{
	return rna_ImagePreview_pixels_get_length(ptr, length, ICON_SIZE_ICON);
}

static void rna_ImagePreview_icon_pixels_get(PointerRNA *ptr, int *values)
{
	rna_ImagePreview_pixels_get(ptr, values, ICON_SIZE_ICON);
}

static void rna_ImagePreview_icon_pixels_set(PointerRNA *ptr, const int *values)
{
	rna_ImagePreview_pixels_set(ptr, values, ICON_SIZE_ICON);
}

static int rna_ImagePreview_icon_pixels_float_get_length(PointerRNA *ptr, int length[RNA_MAX_ARRAY_DIMENSION])
{
	return rna_ImagePreview_pixels_float_get_length(ptr, length, ICON_SIZE_ICON);
}

static void rna_ImagePreview_icon_pixels_float_get(PointerRNA *ptr, float *values)
{
	rna_ImagePreview_pixels_float_get(ptr, values, ICON_SIZE_ICON);
}

static void rna_ImagePreview_icon_pixels_float_set(PointerRNA *ptr, const float *values)
{
	rna_ImagePreview_pixels_float_set(ptr, values, ICON_SIZE_ICON);
}


static int rna_ImagePreview_icon_id_get(PointerRNA *ptr)
{
	/* Using a callback here allows us to only generate icon matching that preview when icon_id is requested. */
	return BKE_icon_preview_ensure(ptr->id.data, (PreviewImage *)(ptr->data));
}
static void rna_ImagePreview_icon_reload(PreviewImage *prv)
{
	/* will lazy load on next use, but only in case icon is not user-modified! */
	if (!(prv->flag[ICON_SIZE_ICON] & PRV_USER_EDITED) && !(prv->flag[ICON_SIZE_PREVIEW] & PRV_USER_EDITED)) {
		BKE_previewimg_clear(prv);
	}
}

static PointerRNA rna_IDPreview_get(PointerRNA *ptr)
{
	ID *id = (ID *)ptr->data;
	PreviewImage *prv_img = BKE_previewimg_id_ensure(id);

	return rna_pointer_inherit_refine(ptr, &RNA_ImagePreview, prv_img);
}

static IDProperty *rna_IDPropertyWrapPtr_idprops(PointerRNA *ptr, bool UNUSED(create))
{
	if (ptr == NULL) {
		return NULL;
	}
	return ptr->data;
}

#else

static void rna_def_ID_properties(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;

	/* this is struct is used for holding the virtual
	 * PropertyRNA's for ID properties */
	srna = RNA_def_struct(brna, "PropertyGroupItem", NULL);
	RNA_def_struct_sdna(srna, "IDProperty");
	RNA_def_struct_ui_text(srna, "ID Property", "Property that stores arbitrary, user defined properties");
	
	/* IDP_STRING */
	prop = RNA_def_property(srna, "string", PROP_STRING, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);

	/* IDP_INT */
	prop = RNA_def_property(srna, "int", PROP_INT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);

	prop = RNA_def_property(srna, "int_array", PROP_INT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);
	RNA_def_property_array(prop, 1);

	/* IDP_FLOAT */
	prop = RNA_def_property(srna, "float", PROP_FLOAT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);

	prop = RNA_def_property(srna, "float_array", PROP_FLOAT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);
	RNA_def_property_array(prop, 1);

	/* IDP_DOUBLE */
	prop = RNA_def_property(srna, "double", PROP_FLOAT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);

	prop = RNA_def_property(srna, "double_array", PROP_FLOAT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);
	RNA_def_property_array(prop, 1);

	/* IDP_GROUP */
	prop = RNA_def_property(srna, "group", PROP_POINTER, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_struct_type(prop, "PropertyGroup");

	prop = RNA_def_property(srna, "collection", PROP_COLLECTION, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);
	RNA_def_property_struct_type(prop, "PropertyGroup");

	prop = RNA_def_property(srna, "idp_array", PROP_COLLECTION, PROP_NONE);
	RNA_def_property_struct_type(prop, "PropertyGroup");
	RNA_def_property_collection_funcs(prop, "rna_IDPArray_begin", "rna_iterator_array_next", "rna_iterator_array_end",
	                                  "rna_iterator_array_get", "rna_IDPArray_length", NULL, NULL, NULL);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);

	/* never tested, maybe its useful to have this? */
#if 0
	prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Name", "Unique name used in the code and scripting");
	RNA_def_struct_name_property(srna, prop);
#endif

	/* IDP_ID */
	prop = RNA_def_property(srna, "id", PROP_POINTER, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY | PROP_NEVER_UNLINK);
	RNA_def_property_struct_type(prop, "ID");


	/* ID property groups > level 0, since level 0 group is merged
	 * with native RNA properties. the builtin_properties will take
	 * care of the properties here */
	srna = RNA_def_struct(brna, "PropertyGroup", NULL);
	RNA_def_struct_sdna(srna, "IDPropertyGroup");
	RNA_def_struct_ui_text(srna, "ID Property Group", "Group of ID properties");
	RNA_def_struct_idprops_func(srna, "rna_PropertyGroup_idprops");
	RNA_def_struct_register_funcs(srna, "rna_PropertyGroup_register", "rna_PropertyGroup_unregister", NULL);
	RNA_def_struct_refine_func(srna, "rna_PropertyGroup_refine");

	/* important so python types can have their name used in list views
	 * however this isn't prefect because it overrides how python would set the name
	 * when we only really want this so RNA_def_struct_name_property() is set to something useful */
	prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
	RNA_def_property_flag(prop, PROP_EXPORT | PROP_IDPROPERTY);
	/*RNA_def_property_clear_flag(prop, PROP_EDITABLE); */
	RNA_def_property_ui_text(prop, "Name", "Unique name used in the code and scripting");
	RNA_def_struct_name_property(srna, prop);
}


static void rna_def_ID_materials(BlenderRNA *brna)
{
	StructRNA *srna;
	FunctionRNA *func;
	PropertyRNA *parm;
	
	/* for mesh/mball/curve materials */
	srna = RNA_def_struct(brna, "IDMaterials", NULL);
	RNA_def_struct_sdna(srna, "ID");
	RNA_def_struct_ui_text(srna, "ID Materials", "Collection of materials");

	func = RNA_def_function(srna, "append", "rna_IDMaterials_append_id");
	RNA_def_function_flag(func, FUNC_USE_MAIN);
	RNA_def_function_ui_description(func, "Add a new material to the data-block");
	parm = RNA_def_pointer(func, "material", "Material", "", "Material to add");
	RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

	func = RNA_def_function(srna, "pop", "rna_IDMaterials_pop_id");
	RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_MAIN);
	RNA_def_function_ui_description(func, "Remove a material from the data-block");
	parm = RNA_def_int(func, "index", -1, -MAXMAT, MAXMAT, "", "Index of material to remove", 0, MAXMAT);
	RNA_def_boolean(func, "update_data", 0, "", "Update data by re-adjusting the material slots assigned");
	parm = RNA_def_pointer(func, "material", "Material", "", "Material to remove");
	RNA_def_function_return(func, parm);

	func = RNA_def_function(srna, "clear", "rna_IDMaterials_clear_id");
	RNA_def_function_ui_description(func, "Remove all materials from the data-block");
	RNA_def_boolean(func, "update_data", 0, "", "Update data by re-adjusting the material slots assigned");
}

static void rna_def_image_preview(BlenderRNA *brna)
{
	StructRNA *srna;
	FunctionRNA *func;
	PropertyRNA *prop;

	srna = RNA_def_struct(brna, "ImagePreview", NULL);
	RNA_def_struct_sdna(srna, "PreviewImage");
	RNA_def_struct_ui_text(srna, "Image Preview", "Preview image and icon");

	prop = RNA_def_property(srna, "is_image_custom", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag[ICON_SIZE_PREVIEW]", PRV_USER_EDITED);
	RNA_def_property_boolean_funcs(prop, NULL, "rna_ImagePreview_is_image_custom_set");
	RNA_def_property_ui_text(prop, "Custom Image", "True if this preview image has been modified by py script,"
	                         "and is no more auto-generated by Blender");

	prop = RNA_def_int_vector(srna, "image_size", 2, NULL, 0, 0, "Image Size",
	                          "Width and height in pixels", 0, 0);
	RNA_def_property_subtype(prop, PROP_PIXEL);
	RNA_def_property_int_funcs(prop, "rna_ImagePreview_image_size_get", "rna_ImagePreview_image_size_set", NULL);

	prop = RNA_def_property(srna, "image_pixels", PROP_INT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_DYNAMIC);
	RNA_def_property_multi_array(prop, 1, NULL);
	RNA_def_property_ui_text(prop, "Image Pixels", "Image pixels, as bytes (always RGBA 32bits)");
	RNA_def_property_dynamic_array_funcs(prop, "rna_ImagePreview_image_pixels_get_length");
	RNA_def_property_int_funcs(prop, "rna_ImagePreview_image_pixels_get", "rna_ImagePreview_image_pixels_set", NULL);

	prop = RNA_def_property(srna, "image_pixels_float", PROP_FLOAT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_DYNAMIC);
	RNA_def_property_multi_array(prop, 1, NULL);
	RNA_def_property_ui_text(prop, "Float Image Pixels",
	                         "Image pixels components, as floats (RGBA concatenated values)");
	RNA_def_property_dynamic_array_funcs(prop, "rna_ImagePreview_image_pixels_float_get_length");
	RNA_def_property_float_funcs(prop, "rna_ImagePreview_image_pixels_float_get",
	                             "rna_ImagePreview_image_pixels_float_set", NULL);


	prop = RNA_def_property(srna, "is_icon_custom", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag[ICON_SIZE_ICON]", PRV_USER_EDITED);
	RNA_def_property_boolean_funcs(prop, NULL, "rna_ImagePreview_is_icon_custom_set");
	RNA_def_property_ui_text(prop, "Custom Icon", "True if this preview icon has been modified by py script,"
	                         "and is no more auto-generated by Blender");

	prop = RNA_def_int_vector(srna, "icon_size", 2, NULL, 0, 0, "Icon Size",
	                          "Width and height in pixels", 0, 0);
	RNA_def_property_subtype(prop, PROP_PIXEL);
	RNA_def_property_int_funcs(prop, "rna_ImagePreview_icon_size_get", "rna_ImagePreview_icon_size_set", NULL);

	prop = RNA_def_property(srna, "icon_pixels", PROP_INT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_DYNAMIC);
	RNA_def_property_multi_array(prop, 1, NULL);
	RNA_def_property_ui_text(prop, "Icon Pixels", "Icon pixels, as bytes (always RGBA 32bits)");
	RNA_def_property_dynamic_array_funcs(prop, "rna_ImagePreview_icon_pixels_get_length");
	RNA_def_property_int_funcs(prop, "rna_ImagePreview_icon_pixels_get", "rna_ImagePreview_icon_pixels_set", NULL);

	prop = RNA_def_property(srna, "icon_pixels_float", PROP_FLOAT, PROP_NONE);
	RNA_def_property_flag(prop, PROP_DYNAMIC);
	RNA_def_property_multi_array(prop, 1, NULL);
	RNA_def_property_ui_text(prop, "Float Icon Pixels", "Icon pixels components, as floats (RGBA concatenated values)");
	RNA_def_property_dynamic_array_funcs(prop, "rna_ImagePreview_icon_pixels_float_get_length");
	RNA_def_property_float_funcs(prop, "rna_ImagePreview_icon_pixels_float_get",
	                             "rna_ImagePreview_icon_pixels_float_set", NULL);

	prop = RNA_def_int(srna, "icon_id", 0, INT_MIN, INT_MAX, "Icon ID",
	                   "Unique integer identifying this preview as an icon (zero means invalid)", INT_MIN, INT_MAX);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_int_funcs(prop, "rna_ImagePreview_icon_id_get", NULL, NULL);

	func = RNA_def_function(srna, "reload", "rna_ImagePreview_icon_reload");
	RNA_def_function_ui_description(func, "Reload the preview from its source path");
}

static void rna_def_ID(BlenderRNA *brna)
{
	StructRNA *srna;
	FunctionRNA *func;
	PropertyRNA *prop, *parm;

	static const EnumPropertyItem update_flag_items[] = {
		{OB_RECALC_OB, "OBJECT", 0, "Object", ""},
		{OB_RECALC_DATA, "DATA", 0, "Data", ""},
		{OB_RECALC_TIME, "TIME", 0, "Time", ""},
		{0, NULL, 0, NULL, NULL}
	};

	srna = RNA_def_struct(brna, "ID", NULL);
	RNA_def_struct_ui_text(srna, "ID",
	                       "Base type for data-blocks, defining a unique name, linking from other libraries "
	                       "and garbage collection");
	RNA_def_struct_flag(srna, STRUCT_ID | STRUCT_ID_REFCOUNT);
	RNA_def_struct_refine_func(srna, "rna_ID_refine");
	RNA_def_struct_idprops_func(srna, "rna_ID_idprops");

	prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
	RNA_def_property_ui_text(prop, "Name", "Unique data-block ID name");
	RNA_def_property_string_funcs(prop, "rna_ID_name_get", "rna_ID_name_length", "rna_ID_name_set");
	RNA_def_property_string_maxlength(prop, MAX_ID_NAME - 2);
	RNA_def_property_editable_func(prop, "rna_ID_name_editable");
	RNA_def_property_update(prop, NC_ID | NA_RENAME, NULL);
	RNA_def_struct_name_property(srna, prop);

	prop = RNA_def_property(srna, "users", PROP_INT, PROP_UNSIGNED);
	RNA_def_property_int_sdna(prop, NULL, "us");
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Users", "Number of times this data-block is referenced");

	prop = RNA_def_property(srna, "use_fake_user", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", LIB_FAKEUSER);
	RNA_def_property_ui_text(prop, "Fake User", "Save this data-block even if it has no users");
	RNA_def_property_boolean_funcs(prop, NULL, "rna_ID_fake_user_set");

	prop = RNA_def_property(srna, "tag", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "tag", LIB_TAG_DOIT);
	RNA_def_property_flag(prop, PROP_LIB_EXCEPTION);
	RNA_def_property_ui_text(prop, "Tag",
	                         "Tools can use this to tag data for their own purposes "
	                         "(initial state is undefined)");

	prop = RNA_def_property(srna, "is_updated", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "recalc", ID_RECALC);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Is Updated", "Data-block is tagged for recalculation");

	prop = RNA_def_property(srna, "is_updated_data", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "recalc", ID_RECALC_DATA);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Is Updated Data", "Data-block data is tagged for recalculation");

	prop = RNA_def_property(srna, "is_library_indirect", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "tag", LIB_TAG_INDIRECT);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Is Indirect", "Is this ID block linked indirectly");

	prop = RNA_def_property(srna, "library", PROP_POINTER, PROP_NONE);
	RNA_def_property_pointer_sdna(prop, NULL, "lib");
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Library", "Library file the data-block is linked from");

	prop = RNA_def_pointer(srna, "preview", "ImagePreview", "Preview",
	                       "Preview image and icon of this data-block (None if not supported for this type of data)");
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_pointer_funcs(prop, "rna_IDPreview_get", NULL, NULL, NULL);

	/* functions */
	func = RNA_def_function(srna, "copy", "rna_ID_copy");
	RNA_def_function_ui_description(func, "Create a copy of this data-block (not supported for all data-blocks)");
	RNA_def_function_flag(func, FUNC_USE_MAIN);
	parm = RNA_def_pointer(func, "id", "ID", "", "New copy of the ID");
	RNA_def_function_return(func, parm);

	func = RNA_def_function(srna, "user_clear", "rna_ID_user_clear");
	RNA_def_function_ui_description(func, "Clear the user count of a data-block so its not saved, "
	                                "on reload the data will be removed");

	func = RNA_def_function(srna, "user_remap", "rna_ID_user_remap");
	RNA_def_function_ui_description(func, "Replace all usage in the .blend file of this ID by new given one");
	RNA_def_function_flag(func, FUNC_USE_MAIN);
	parm = RNA_def_pointer(func, "new_id", "ID", "", "New ID to use");
	RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

	func = RNA_def_function(srna, "make_local", "rna_ID_make_local");
	RNA_def_function_ui_description(func, "Make this datablock local, return local one "
	                                      "(may be a copy of the original, in case it is also indirectly used)");
	RNA_def_function_flag(func, FUNC_USE_MAIN);
	parm = RNA_def_boolean(func, "clear_proxy", true, "",
	                       "Whether to clear proxies (the default behavior, "
	                       "note that if object has to be duplicated to be made local, proxies are always cleared)");
	parm = RNA_def_pointer(func, "id", "ID", "", "This ID, or the new ID if it was copied");
	RNA_def_function_return(func, parm);

	func = RNA_def_function(srna, "user_of_id", "BKE_library_ID_use_ID");
	RNA_def_function_ui_description(func, "Count the number of times that ID uses/references given one");
	parm = RNA_def_pointer(func, "id", "ID", "", "ID to count usages");
	RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
	parm = RNA_def_int(func, "count", 0, 0, INT_MAX,
	                   "", "Number of usages/references of given id by current data-block", 0, INT_MAX);
	RNA_def_function_return(func, parm);

	func = RNA_def_function(srna, "animation_data_create", "rna_ID_animation_data_create");
	RNA_def_function_flag(func, FUNC_USE_MAIN);
	RNA_def_function_ui_description(func, "Create animation data to this ID, note that not all ID types support this");
	parm = RNA_def_pointer(func, "anim_data", "AnimData", "", "New animation data or NULL");
	RNA_def_function_return(func, parm);

	func = RNA_def_function(srna, "animation_data_clear", "rna_ID_animation_data_free");
	RNA_def_function_flag(func, FUNC_USE_MAIN);
	RNA_def_function_ui_description(func, "Clear animation on this this ID");

	func = RNA_def_function(srna, "update_tag", "rna_ID_update_tag");
	RNA_def_function_flag(func, FUNC_USE_REPORTS);
	RNA_def_function_ui_description(func,
	                                "Tag the ID to update its display data, "
	                                "e.g. when calling :class:`bpy.types.Scene.update`");
	RNA_def_enum_flag(func, "refresh", update_flag_items, 0, "", "Type of updates to perform");

#ifdef WITH_PYTHON
	RNA_def_struct_register_funcs(srna, NULL, NULL, "rna_ID_instance");
#endif
}

static void rna_def_library(BlenderRNA *brna)
{
	StructRNA *srna;
	FunctionRNA *func;
	PropertyRNA *prop;

	srna = RNA_def_struct(brna, "Library", "ID");
	RNA_def_struct_ui_text(srna, "Library", "External .blend file from which data is linked");
	RNA_def_struct_ui_icon(srna, ICON_LIBRARY_DATA_DIRECT);

	prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
	RNA_def_property_string_sdna(prop, NULL, "name");
	RNA_def_property_ui_text(prop, "File Path", "Path to the library .blend file");
	RNA_def_property_string_funcs(prop, NULL, NULL, "rna_Library_filepath_set");
	
	prop = RNA_def_property(srna, "parent", PROP_POINTER, PROP_NONE);
	RNA_def_property_struct_type(prop, "Library");
	RNA_def_property_ui_text(prop, "Parent", "");

	prop = RNA_def_property(srna, "packed_file", PROP_POINTER, PROP_NONE);
	RNA_def_property_pointer_sdna(prop, NULL, "packedfile");
	RNA_def_property_ui_text(prop, "Packed File", "");

	func = RNA_def_function(srna, "reload", "WM_lib_reload");
	RNA_def_function_flag(func, FUNC_USE_REPORTS | FUNC_USE_CONTEXT);
	RNA_def_function_ui_description(func, "Reload this library and all its linked data-blocks");
}

/**
 * \attention This is separate from the above. It allows for RNA functions to
 * return an IDProperty *. See MovieClip.metadata for a usage example.
 **/
static void rna_def_idproperty_wrap_ptr(BlenderRNA *brna)
{
	StructRNA *srna;

	srna = RNA_def_struct(brna, "IDPropertyWrapPtr", NULL);
	RNA_def_struct_idprops_func(srna, "rna_IDPropertyWrapPtr_idprops");
	RNA_def_struct_flag(srna, STRUCT_NO_DATABLOCK_IDPROPERTIES);
}

void RNA_def_ID(BlenderRNA *brna)
{
	StructRNA *srna;

	/* built-in unknown type */
	srna = RNA_def_struct(brna, "UnknownType", NULL);
	RNA_def_struct_ui_text(srna, "Unknown Type", "Stub RNA type used for pointers to unknown or internal data");

	/* built-in any type */
	srna = RNA_def_struct(brna, "AnyType", NULL);
	RNA_def_struct_ui_text(srna, "Any Type", "RNA type used for pointers to any possible data");

	rna_def_ID(brna);
	rna_def_image_preview(brna);
	rna_def_ID_properties(brna);
	rna_def_ID_materials(brna);
	rna_def_library(brna);
	rna_def_idproperty_wrap_ptr(brna);
}

#endif