c7a84c23f1
Computation of hold blocks was done by storing ranges (with start and an end, and likely overlapping) in a tree keyed only by the block start. This cannot work well, and there even were comments that it is not reliable in complex cases. A much better way to deal with it is to split all ranges so they don't overlap. The most thorough way of doing this is to split at all and every known keyframe, and in this case the data can actually be stored in the key column data structures, avoiding the need for a second tree. In practice, splitting requires a pass to copy this data to newly added keys, and the necessity to loop over all keyframes in the range being added. Both are linear and don't add excess algorithmic complexity. The new implementation also calls BLI_dlrbTree_linkedlist_sync for its own needs, so the users of the *_to_keylist functions don't have to do it themselves anymore. Differential Revision: https://developer.blender.org/D3790
167 lines
6.4 KiB
C
167 lines
6.4 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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* The Original Code is Copyright (C) (C) 2009 Blender Foundation, Joshua Leung
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Joshua Leung (full recode)
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file ED_keyframes_draw.h
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* \ingroup editors
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*/
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#ifndef __ED_KEYFRAMES_DRAW_H__
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#define __ED_KEYFRAMES_DRAW_H__
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struct bAnimContext;
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struct AnimData;
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struct CacheFile;
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struct FCurve;
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struct bDopeSheet;
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struct bAction;
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struct bActionGroup;
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struct Object;
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struct ListBase;
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struct bGPDlayer;
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struct Palette;
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struct MaskLayer;
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struct Scene;
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struct View2D;
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struct DLRBT_Tree;
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/* ****************************** Base Structs ****************************** */
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/* Information about the stretch of time from current to the next column */
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typedef struct ActKeyBlockInfo {
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/* Combination of flags from all curves. */
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short flag;
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/* Mask of flags that differ between curves. */
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short conflict;
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/* Selection flag. */
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char sel;
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} ActKeyBlockInfo;
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/* Keyframe Column Struct */
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typedef struct ActKeyColumn {
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/* ListBase linkage */
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struct ActKeyColumn *next, *prev;
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/* sorting-tree linkage */
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struct ActKeyColumn *left, *right; /* 'children' of this node, less than and greater than it (respectively) */
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struct ActKeyColumn *parent; /* parent of this node in the tree */
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char tree_col; /* DLRB_BLACK or DLRB_RED */
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/* keyframe info */
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char key_type; /* eBezTripe_KeyframeType */
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short sel;
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float cfra;
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/* key-block info */
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ActKeyBlockInfo block;
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/* number of curves and keys in this column */
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short totcurve, totkey, totblock;
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} ActKeyColumn;
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/* ActKeyBlockInfo - Flag */
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typedef enum eActKeyBlock_Hold {
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/* Key block represents a moving hold */
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ACTKEYBLOCK_FLAG_MOVING_HOLD = (1 << 0),
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/* Key block represents a static hold */
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ACTKEYBLOCK_FLAG_STATIC_HOLD = (1 << 1),
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/* Key block represents any kind of hold */
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ACTKEYBLOCK_FLAG_ANY_HOLD = (1 << 2),
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} eActKeyBlock_Flag;
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/* *********************** Keyframe Drawing ****************************** */
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/* options for keyframe shape drawing */
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typedef enum eKeyframeShapeDrawOpts {
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/* only the border */
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KEYFRAME_SHAPE_FRAME = 0,
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/* only the inside filling */
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KEYFRAME_SHAPE_INSIDE,
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/* the whole thing */
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KEYFRAME_SHAPE_BOTH
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} eKeyframeShapeDrawOpts;
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/* draw simple diamond-shape keyframe */
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/* caller should set up vertex format, bind GPU_SHADER_KEYFRAME_DIAMOND, immBegin(GPU_PRIM_POINTS, n), then call this n times */
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void draw_keyframe_shape(float x, float y, float size, bool sel, short key_type, short mode, float alpha,
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unsigned int pos_id, unsigned int size_id, unsigned int color_id, unsigned int outline_color_id);
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/* ******************************* Methods ****************************** */
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/* Channel Drawing ------------------ */
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/* F-Curve */
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void draw_fcurve_channel(struct View2D *v2d, struct AnimData *adt, struct FCurve *fcu, float ypos, float yscale_fac);
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/* Action Group Summary */
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void draw_agroup_channel(struct View2D *v2d, struct AnimData *adt, struct bActionGroup *agrp, float ypos, float yscale_fac);
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/* Action Summary */
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void draw_action_channel(struct View2D *v2d, struct AnimData *adt, struct bAction *act, float ypos, float yscale_fac);
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/* Object Summary */
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void draw_object_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Object *ob, float ypos, float yscale_fac);
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/* Scene Summary */
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void draw_scene_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Scene *sce, float ypos, float yscale_fac);
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/* DopeSheet Summary */
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void draw_summary_channel(struct View2D *v2d, struct bAnimContext *ac, float ypos, float yscale_fac);
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/* Grease Pencil datablock summary */
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void draw_gpencil_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPdata *gpd, float ypos, float yscale_fac);
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/* Grease Pencil Layer */
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void draw_gpl_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPDlayer *gpl, float ypos, float yscale_fac);
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/* Mask Layer */
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void draw_masklay_channel(struct View2D *v2d, struct bDopeSheet *ads, struct MaskLayer *masklay, float ypos, float yscale_fac);
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/* Keydata Generation --------------- */
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/* F-Curve */
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void fcurve_to_keylist(struct AnimData *adt, struct FCurve *fcu, struct DLRBT_Tree *keys);
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/* Action Group */
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void agroup_to_keylist(struct AnimData *adt, struct bActionGroup *agrp, struct DLRBT_Tree *keys);
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/* Action */
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void action_to_keylist(struct AnimData *adt, struct bAction *act, struct DLRBT_Tree *keys);
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/* Object */
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void ob_to_keylist(struct bDopeSheet *ads, struct Object *ob, struct DLRBT_Tree *keys);
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/* Cache File */
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void cachefile_to_keylist(struct bDopeSheet *ads, struct CacheFile *cache_file, struct DLRBT_Tree *keys);
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/* Scene */
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void scene_to_keylist(struct bDopeSheet *ads, struct Scene *sce, struct DLRBT_Tree *keys);
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/* DopeSheet Summary */
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void summary_to_keylist(struct bAnimContext *ac, struct DLRBT_Tree *keys);
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/* Grease Pencil datablock summary */
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void gpencil_to_keylist(struct bDopeSheet *ads, struct bGPdata *gpd, struct DLRBT_Tree *keys, const bool active);
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/* Grease Pencil Layer */
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void gpl_to_keylist(struct bDopeSheet *ads, struct bGPDlayer *gpl, struct DLRBT_Tree *keys);
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/* Palette */
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void palette_to_keylist(struct bDopeSheet *ads, struct Palette *palette, struct DLRBT_Tree *keys);
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/* Mask */
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void mask_to_keylist(struct bDopeSheet *UNUSED(ads), struct MaskLayer *masklay, struct DLRBT_Tree *keys);
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/* ActKeyColumn API ---------------- */
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/* Comparator callback used for ActKeyColumns and cframe float-value pointer */
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short compare_ak_cfraPtr(void *node, void *data);
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/* Checks if ActKeyColumn can be used as a block (i.e. drawn/used to detect "holds") */
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int actkeyblock_get_valid_hold(ActKeyColumn *ab);
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#endif /* __ED_KEYFRAMES_DRAW_H__ */
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