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Diffstat (limited to 'source/blender/blenkernel/nla_private.h')
| -rw-r--r-- | source/blender/blenkernel/nla_private.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/source/blender/blenkernel/nla_private.h b/source/blender/blenkernel/nla_private.h new file mode 100644 index 00000000000..df7ffaa3064 --- /dev/null +++ b/source/blender/blenkernel/nla_private.h @@ -0,0 +1,85 @@ +/** + * $Id: BKE_nla.h 20999 2009-06-19 04:45:56Z aligorith $ + * + * ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2009 Blender Foundation, Joshua Leung + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Joshua Leung (full recode) + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef NLA_PRIVATE +#define NLA_PRIVATE + +/* --------------- NLA Evaluation DataTypes ----------------------- */ + +/* used for list of strips to accumulate at current time */ +typedef struct NlaEvalStrip { + struct NlaEvalStrip *next, *prev; + + NlaTrack *track; /* track that this strip belongs to */ + NlaStrip *strip; /* strip that's being used */ + + short track_index; /* the index of the track within the list */ + short strip_mode; /* which end of the strip are we looking at */ + + float strip_time; /* time at which which strip is being evaluated */ +} NlaEvalStrip; + +/* NlaEvalStrip->strip_mode */ +enum { + /* standard evaluation */ + NES_TIME_BEFORE = -1, + NES_TIME_WITHIN, + NES_TIME_AFTER, + + /* transition-strip evaluations */ + NES_TIME_TRANSITION_START, + NES_TIME_TRANSITION_END, +} eNlaEvalStrip_StripMode; + + +/* temp channel for accumulating data from NLA (avoids needing to clear all values first) */ +// TODO: maybe this will be used as the 'cache' stuff needed for editable values too? +typedef struct NlaEvalChannel { + struct NlaEvalChannel *next, *prev; + + PointerRNA ptr; /* pointer to struct containing property to use */ + PropertyRNA *prop; /* RNA-property type to use (should be in the struct given) */ + int index; /* array index (where applicable) */ + + float value; /* value of this channel */ +} NlaEvalChannel; + +/* --------------- NLA Functions (not to be used as a proper API) ----------------------- */ + +/* convert from strip time <-> global time */ +float nlastrip_get_frame(NlaStrip *strip, float cframe, short mode); + +/* --------------- NLA Evaluation (very-private stuff) ----------------------- */ +/* these functions are only defined here to avoid problems with the order in which they get defined... */ + +NlaEvalStrip *nlastrips_ctime_get_strip(ListBase *list, ListBase *strips, short index, float ctime); +void nlastrip_evaluate(PointerRNA *ptr, ListBase *channels, ListBase *modifiers, NlaEvalStrip *nes); +void nladata_flush_channels(ListBase *channels); + +#endif // NLA_PRIVATE |