86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
/**
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* $Id$
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*
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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) 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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#ifndef NLA_PRIVATE
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#define NLA_PRIVATE
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/* --------------- NLA Evaluation DataTypes ----------------------- */
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/* used for list of strips to accumulate at current time */
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typedef struct NlaEvalStrip {
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struct NlaEvalStrip *next, *prev;
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NlaTrack *track; /* track that this strip belongs to */
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NlaStrip *strip; /* strip that's being used */
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short track_index; /* the index of the track within the list */
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short strip_mode; /* which end of the strip are we looking at */
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float strip_time; /* time at which which strip is being evaluated */
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} NlaEvalStrip;
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/* NlaEvalStrip->strip_mode */
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enum {
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/* standard evaluation */
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NES_TIME_BEFORE = -1,
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NES_TIME_WITHIN,
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NES_TIME_AFTER,
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/* transition-strip evaluations */
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NES_TIME_TRANSITION_START,
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NES_TIME_TRANSITION_END,
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} eNlaEvalStrip_StripMode;
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/* temp channel for accumulating data from NLA (avoids needing to clear all values first) */
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// TODO: maybe this will be used as the 'cache' stuff needed for editable values too?
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typedef struct NlaEvalChannel {
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struct NlaEvalChannel *next, *prev;
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PointerRNA ptr; /* pointer to struct containing property to use */
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PropertyRNA *prop; /* RNA-property type to use (should be in the struct given) */
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int index; /* array index (where applicable) */
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float value; /* value of this channel */
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} NlaEvalChannel;
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/* --------------- NLA Functions (not to be used as a proper API) ----------------------- */
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/* convert from strip time <-> global time */
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float nlastrip_get_frame(NlaStrip *strip, float cframe, short mode);
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/* --------------- NLA Evaluation (very-private stuff) ----------------------- */
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/* these functions are only defined here to avoid problems with the order in which they get defined... */
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NlaEvalStrip *nlastrips_ctime_get_strip(ListBase *list, ListBase *strips, short index, float ctime);
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void nlastrip_evaluate(PointerRNA *ptr, ListBase *channels, ListBase *modifiers, NlaEvalStrip *nes);
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void nladata_flush_channels(ListBase *channels);
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#endif // NLA_PRIVATE
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