128 lines
2.6 KiB
C
128 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2016 Blender Foundation */
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/** \file
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* \ingroup DNA
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*/
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#pragma once
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#include "DNA_ID.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct GSet;
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/* CacheFile::type */
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typedef enum {
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CACHEFILE_TYPE_ALEMBIC = 1,
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CACHEFILE_TYPE_USD = 2,
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CACHE_FILE_TYPE_INVALID = 0,
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} eCacheFileType;
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/* CacheFile::flag */
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enum {
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CACHEFILE_DS_EXPAND = (1 << 0),
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CACHEFILE_UNUSED_0 = (1 << 1),
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};
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#if 0 /* UNUSED */
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/* CacheFile::draw_flag */
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enum {
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CACHEFILE_KEYFRAME_DRAWN = (1 << 0),
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};
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#endif
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/* Representation of an object's path inside the archive.
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* Note that this is not a file path. */
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typedef struct CacheObjectPath {
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struct CacheObjectPath *next, *prev;
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char path[4096];
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} CacheObjectPath;
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/* CacheFileLayer::flag */
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enum { CACHEFILE_LAYER_HIDDEN = (1 << 0) };
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typedef struct CacheFileLayer {
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struct CacheFileLayer *next, *prev;
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/** 1024 = FILE_MAX. */
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char filepath[1024];
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int flag;
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int _pad;
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} CacheFileLayer;
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/* CacheFile::velocity_unit
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* Determines what temporal unit is used to interpret velocity vectors for motion blur effects. */
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enum {
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CACHEFILE_VELOCITY_UNIT_FRAME,
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CACHEFILE_VELOCITY_UNIT_SECOND,
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};
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typedef struct CacheFile {
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ID id;
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struct AnimData *adt;
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/** Paths of the objects inside of the archive referenced by this CacheFile. */
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ListBase object_paths;
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ListBase layers;
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/** 1024 = FILE_MAX. */
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char filepath[1024];
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char is_sequence;
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char forward_axis;
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char up_axis;
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char override_frame;
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float scale;
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/** The frame/time to lookup in the cache file. */
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float frame;
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/** The frame offset to subtract. */
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float frame_offset;
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char _pad[4];
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/** Animation flag. */
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short flag;
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/* eCacheFileType enum. */
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char type;
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/** Do not load data from the cache file and display objects in the scene as boxes, Cycles will
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* load objects directly from the CacheFile. Other render engines which can load Alembic data
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* directly can take care of rendering it themselves.
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*/
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char use_render_procedural;
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char _pad1[3];
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/** Enable data prefetching when using the Cycles Procedural. */
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char use_prefetch;
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/** Size in megabytes for the prefetch cache used by the Cycles Procedural. */
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int prefetch_cache_size;
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/** Index of the currently selected layer in the UI, starts at 1. */
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int active_layer;
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char _pad2[3];
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char velocity_unit;
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/* Name of the velocity property in the archive. */
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char velocity_name[64];
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/* Runtime */
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struct CacheArchiveHandle *handle;
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char handle_filepath[1024];
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struct GSet *handle_readers;
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} CacheFile;
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#ifdef __cplusplus
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}
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#endif
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