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/**
* $Id:
*
* ***** 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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* Contributor(s): Blender Foundation, 2005. Full recode
* Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
/* This file contains code for presenting F-Curves and other animation data
* in the UI (especially for use in the Animation Editors).
*
* -- Joshua Leung, Dec 2008
*/
#include <stdio.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "DNA_anim_types.h"
#include "DNA_key_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_view3d_types.h"
#include "BKE_animsys.h"
#include "BKE_key.h"
#include "BKE_utildefines.h"
#include "UI_resources.h"
#include "ED_anim_api.h"
#include "RNA_access.h"
#include "RNA_types.h"
/* ----------------------- Getter functions ----------------------- */
/* gets the appropriate icon for the given blocktype */
// XXX some of these will be depreceated?
int geticon_anim_blocktype(short blocktype)
{
switch (blocktype) {
case ID_OB:
return ICON_OBJECT;
case ID_PO:
return ICON_POSE_HLT;
case ID_KE:
return ICON_EDIT;
case ID_MA:
return ICON_MATERIAL;
case ID_WO:
return ICON_WORLD;
case ID_CU:
return ICON_CURVE;
case ID_CA:
return ICON_CAMERA;
case ID_LA:
return ICON_LAMP;
case ID_TE:
return ICON_TEXTURE;
case ID_CO:
return ICON_CONSTRAINT;
case ID_FLUIDSIM:
return ICON_WORLD; // uggh
default:
return 0; // what about blank icon?
}
}
/* Write into "name" buffer, the name of the property (retrieved using RNA from the curve's settings)
* WARNING: name buffer we're writing to cannot exceed 128 chars (check action_draw.c for details)
*/
// TODO: have an extra var to indicate if prop was valid?
void getname_anim_fcurve(char *name, ID *id, FCurve *fcu)
{
/* sanity checks */
if (name == NULL)
return;
else if ELEM3(NULL, id, fcu, fcu->rna_path) {
if (fcu == NULL)
sprintf(name, "<invalid>");
else if (fcu->rna_path == NULL)
sprintf(name, "<no path>");
else /* id == NULL */
BLI_snprintf(name, 128, "%s[%d]", fcu->rna_path, fcu->array_index);
}
else {
PointerRNA id_ptr, ptr;
PropertyRNA *prop;
/* get RNA pointer, and resolve the path */
RNA_id_pointer_create(id, &id_ptr);
/* try to resolve the path */
if (RNA_path_resolve(&id_ptr, fcu->rna_path, &ptr, &prop)) {
char *structname=NULL, *propname=NULL, *arrayname=NULL, arrayindbuf[16];
PropertyRNA *nameprop;
/* for now, name will consist of struct-name + property name + array index:
* i.e. Bone1.Location.X, or Object.Location.X
*/
/* for structname, we use a custom name if one is available */
// xxx we might want an icon from types?
// xxx it is hard to differentiate between object and bone channels then, if ob + bone motion occur together...
nameprop= RNA_struct_name_property(&ptr);
if (nameprop) {
/* this gets a string which will need to be freed */
structname= RNA_property_string_get_alloc(&ptr, nameprop, NULL, 0);
}
else
structname= (char *)RNA_struct_ui_name(&ptr);
/* Property Name is straightforward */
propname= (char *)RNA_property_ui_name(&ptr, prop);
/* Array Index - only if applicable */
if (RNA_property_array_length(&ptr, prop)) {
// XXX the format of these is not final... we don't know how this will go yet
static char *vectoritem[4]= {".X", ".Y", ".Z", ".W"};
static char *quatitem[4]= {".W", ".X", ".Y", ".Z"};
static char *coloritem[4]= {".R", ".G", ".B", ".A"};
int tot= RNA_property_array_length(&ptr, prop);
int propsubtype= RNA_property_subtype(&ptr, prop);
/* get string to use for array index */
if ((tot == 4) && (propsubtype == PROP_ROTATION))
arrayname= quatitem[fcu->array_index];
else if ( (tot <= 4) && ((propsubtype == PROP_VECTOR) || (propsubtype == PROP_ROTATION)) )
arrayname= vectoritem[fcu->array_index];
else if ((tot <= 4) && (propsubtype == PROP_COLOR))
arrayname= coloritem[fcu->array_index];
else {
/* we need to write the index to a temp buffer (in py syntax), as it is a number... */
sprintf(arrayindbuf, "[%d]", fcu->array_index);
arrayname= &arrayindbuf[0];
}
}
else {
/* no array index */
arrayname= "";
}
/* putting this all together into the buffer */
// XXX we need to check for invalid names...
BLI_snprintf(name, 128, "%s.%s%s", structname, propname, arrayname);
/* free temp name if nameprop is set */
if (nameprop)
MEM_freeN(structname);
}
else {
/* invalid path */
BLI_snprintf(name, 128, "\"%s[%d]\"", fcu->rna_path, fcu->array_index);
}
}
}
/* ------------------------------- Color Codes for F-Curve Channels ---------------------------- */
unsigned int ipo_rainbow(int cur, int tot)
{
float dfac, fac, sat;
dfac= (float)(1.0/( (float)tot+1.0));
/* this calculation makes 2 or 4 different cycles of rainbow colors */
if(cur< tot/2) fac= (float)(cur*2.0f*dfac);
else fac= (float)((cur-tot/2)*2.0f*dfac +dfac);
if(tot > 32) fac= fac*1.95f;
if(fac>1.0f) fac-= 1.0f;
if(fac>0.5f && fac<0.8f) sat= 0.5f;
else sat= 0.6f;
return hsv_to_cpack(fac, sat, 1.0f);
}
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