110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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*/
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#ifdef __cplusplus
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namespace blender::bke {
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struct GeometrySet;
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}
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using GeometrySetHandle = blender::bke::GeometrySet;
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#else
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typedef struct GeometrySetHandle GeometrySetHandle;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct Depsgraph;
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struct ID;
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struct ListBase;
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struct Object;
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struct ParticleSystem;
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struct Scene;
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struct ViewLayer;
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struct ViewerPath;
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/* ---------------------------------------------------- */
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/* Dupli-Geometry */
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/**
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* \return a #ListBase of #DupliObject.
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*/
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struct ListBase *object_duplilist(struct Depsgraph *depsgraph,
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struct Scene *sce,
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struct Object *ob);
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/**
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* \return a #ListBase of #DupliObject for the preview geometry referenced by the #ViewerPath.
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*/
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struct ListBase *object_duplilist_preview(struct Depsgraph *depsgraph,
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struct Scene *scene,
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struct Object *ob,
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const struct ViewerPath *viewer_path);
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void free_object_duplilist(struct ListBase *lb);
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typedef struct DupliObject {
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struct DupliObject *next, *prev;
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/* Object whose geometry is instanced. */
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struct Object *ob;
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/* Data owned by the object above that is instanced. This might not be the same as `ob->data`. */
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struct ID *ob_data;
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float mat[4][4];
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float orco[3], uv[2];
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short type; /* from Object.transflag */
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char no_draw;
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/* If this dupli object is belongs to a preview, this is non-null. */
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const GeometrySetHandle *preview_base_geometry;
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/* Index of the top-level instance this dupli is part of or -1 when unused. */
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int preview_instance_index;
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/* Persistent identifier for a dupli object, for inter-frame matching of
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* objects with motion blur, or inter-update matching for syncing. */
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int persistent_id[8]; /* MAX_DUPLI_RECUR */
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/* Particle this dupli was generated from. */
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struct ParticleSystem *particle_system;
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/* Geometry set stack for instance attributes; for each level lists the
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* geometry set and instance index within it.
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*
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* Only non-null entries are stored, ordered from innermost to outermost.
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* To save memory, these arrays are allocated smaller than persistent_id,
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* assuming that not every entry will be associated with a GeometrySet; any
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* size between 1 and MAX_DUPLI_RECUR can be used without issues.
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*/
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int instance_idx[4];
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const GeometrySetHandle *instance_data[4];
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/* Random ID for shading */
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unsigned int random_id;
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} DupliObject;
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/**
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* Look up the RGBA value of a uniform shader attribute.
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* \return true if the attribute was found; if not, r_value is also set to zero.
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*/
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bool BKE_object_dupli_find_rgba_attribute(struct Object *ob,
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struct DupliObject *dupli,
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struct Object *dupli_parent,
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const char *name,
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float r_value[4]);
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/**
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* Look up the RGBA value of a view layer/scene/world shader attribute.
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* \return true if the attribute was found; if not, r_value is also set to zero.
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*/
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bool BKE_view_layer_find_rgba_attribute(struct Scene *scene,
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struct ViewLayer *layer,
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const char *name,
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float r_value[4]);
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#ifdef __cplusplus
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}
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#endif
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