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|
/**
* $Id: drawaction.c 17746 2008-12-08 11:19:44Z 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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
/* System includes ----------------------------------------------------- */
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <float.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
/* Types --------------------------------------------------------------- */
#include "DNA_listBase.h"
#include "DNA_anim_types.h"
#include "DNA_action_types.h"
#include "DNA_armature_types.h"
#include "DNA_camera_types.h"
#include "DNA_curve_types.h"
#include "DNA_ipo_types.h"
#include "DNA_object_types.h"
#include "DNA_screen_types.h"
#include "DNA_scene_types.h"
#include "DNA_space_types.h"
#include "DNA_constraint_types.h"
#include "DNA_key_types.h"
#include "DNA_lamp_types.h"
#include "DNA_material_types.h"
#include "DNA_userdef_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_windowmanager_types.h"
#include "BKE_action.h"
#include "BKE_depsgraph.h"
#include "BKE_fcurve.h"
#include "BKE_key.h"
#include "BKE_material.h"
#include "BKE_object.h"
#include "BKE_global.h" // XXX remove me!
#include "BKE_context.h"
#include "BKE_utildefines.h"
/* Everything from source (BIF, BDR, BSE) ------------------------------ */
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "UI_resources.h"
#include "UI_text.h"
#include "UI_view2d.h"
#include "ED_anim_api.h"
#include "ED_keyframing.h"
#include "ED_keyframes_draw.h"
#include "ED_screen.h"
#include "ED_space_api.h"
/* *************************** Keyframe Drawing *************************** */
static void add_bezt_to_keycolumnslist(ListBase *keys, BezTriple *bezt)
{
/* The equivilant of add_to_cfra_elem except this version
* makes ActKeyColumns - one of the two datatypes required
* for action editor drawing.
*/
ActKeyColumn *ak, *akn;
if (ELEM(NULL, keys, bezt)) return;
/* try to any existing key to replace, or where to insert after */
for (ak= keys->last; ak; ak= ak->prev) {
/* do because of double keys */
if (ak->cfra == bezt->vec[1][0]) {
/* set selection status and 'touched' status */
if (BEZSELECTED(bezt)) ak->sel = SELECT;
ak->modified += 1;
return;
}
else if (ak->cfra < bezt->vec[1][0]) break;
}
/* add new block */
akn= MEM_callocN(sizeof(ActKeyColumn), "ActKeyColumn");
if (ak) BLI_insertlinkafter(keys, ak, akn);
else BLI_addtail(keys, akn);
akn->cfra= bezt->vec[1][0];
akn->modified += 1;
// TODO: handle type = bezt->h1 or bezt->h2
akn->handle_type= 0;
if (BEZSELECTED(bezt))
akn->sel = SELECT;
else
akn->sel = 0;
}
static void add_bezt_to_keyblockslist(ListBase *blocks, FCurve *fcu, int index)
{
/* The equivilant of add_to_cfra_elem except this version
* makes ActKeyBlocks - one of the two datatypes required
* for action editor drawing.
*/
ActKeyBlock *ab, *abn;
BezTriple *beztn=NULL, *prev=NULL;
BezTriple *bezt;
int v;
/* get beztriples */
beztn= (fcu->bezt + index);
/* we need to go through all beztriples, as they may not be in order (i.e. during transform) */
for (v=0, bezt=fcu->bezt; v < fcu->totvert; v++, bezt++) {
/* skip if beztriple is current */
if (v != index) {
/* check if beztriple is immediately before */
if (beztn->vec[1][0] > bezt->vec[1][0]) {
/* check if closer than previous was */
if (prev) {
if (prev->vec[1][0] < bezt->vec[1][0])
prev= bezt;
}
else {
prev= bezt;
}
}
}
}
/* check if block needed - same value(s)?
* -> firstly, handles must have same central value as each other
* -> secondly, handles which control that section of the curve must be constant
*/
if ((!prev) || (!beztn)) return;
if (IS_EQ(beztn->vec[1][1], prev->vec[1][1])==0) return;
if (IS_EQ(beztn->vec[1][1], beztn->vec[0][1])==0) return;
if (IS_EQ(prev->vec[1][1], prev->vec[2][1])==0) return;
/* try to find a keyblock that starts on the previous beztriple
* Note: we can't search from end to try to optimise this as it causes errors there's
* an A ___ B |---| B situation
*/
// FIXME: here there is a bug where we are trying to get the summary for the following channels
// A|--------------|A ______________ B|--------------|B
// A|------------------------------------------------|A
// A|----|A|---|A|-----------------------------------|A
for (ab= blocks->first; ab; ab= ab->next) {
/* check if alter existing block or add new block */
if (ab->start == prev->vec[1][0]) {
/* set selection status and 'touched' status */
if (BEZSELECTED(beztn)) ab->sel = SELECT;
ab->modified += 1;
return;
}
else if (ab->start < prev->vec[1][0]) break;
}
/* add new block */
abn= MEM_callocN(sizeof(ActKeyBlock), "ActKeyBlock");
if (ab) BLI_insertlinkbefore(blocks, ab, abn);
else BLI_addtail(blocks, abn);
abn->start= prev->vec[1][0];
abn->end= beztn->vec[1][0];
abn->val= beztn->vec[1][1];
if (BEZSELECTED(prev) || BEZSELECTED(beztn))
abn->sel = SELECT;
else
abn->sel = 0;
abn->modified = 1;
}
/* helper function - find actkeycolumn that occurs on cframe */
static ActKeyColumn *cfra_find_actkeycolumn (ListBase *keys, float cframe)
{
ActKeyColumn *ak, *ak2;
if (keys==NULL)
return NULL;
/* search from both ends at the same time, and stop if we find match or if both ends meet */
for (ak=keys->first, ak2=keys->last; ak && ak2; ak=ak->next, ak2=ak2->prev) {
/* return whichever end encounters the frame */
if (ak->cfra == cframe)
return ak;
if (ak2->cfra == cframe)
return ak2;
/* no matches on either end, so return NULL */
if (ak == ak2)
return NULL;
}
return NULL;
}
#if 0 // disabled, as some intel cards have problems with this
/* Draw a simple diamond shape with a filled in center (in screen space) */
static void draw_key_but(int x, int y, short w, short h, int sel)
{
int xmin= x, ymin= y;
int xmax= x+w-1, ymax= y+h-1;
int xc= (xmin+xmax)/2, yc= (ymin+ymax)/2;
/* interior - hardcoded colors (for selected and unselected only) */
if (sel) glColor3ub(0xF1, 0xCA, 0x13);
else glColor3ub(0xE9, 0xE9, 0xE9);
glBegin(GL_QUADS);
glVertex2i(xc, ymin);
glVertex2i(xmax, yc);
glVertex2i(xc, ymax);
glVertex2i(xmin, yc);
glEnd();
/* outline */
glColor3ub(0, 0, 0);
glBegin(GL_LINE_LOOP);
glVertex2i(xc, ymin);
glVertex2i(xmax, yc);
glVertex2i(xc, ymax);
glVertex2i(xmin, yc);
glEnd();
}
#endif
static void draw_keylist(gla2DDrawInfo *di, ListBase *keys, ListBase *blocks, float ypos)
{
ActKeyColumn *ak;
ActKeyBlock *ab;
glEnable(GL_BLEND);
/* draw keyblocks */
if (blocks) {
for (ab= blocks->first; ab; ab= ab->next) {
short startCurves, endCurves, totCurves;
/* find out how many curves occur at each keyframe */
ak= cfra_find_actkeycolumn(keys, ab->start);
startCurves = (ak)? ak->totcurve: 0;
ak= cfra_find_actkeycolumn(keys, ab->end);
endCurves = (ak)? ak->totcurve: 0;
/* only draw keyblock if it appears in at all of the keyframes at lowest end */
if (!startCurves && !endCurves)
continue;
else
totCurves = (startCurves>endCurves)? endCurves: startCurves;
if (ab->totcurve >= totCurves) {
int sc_xa, sc_xb, sc_ya, sc_yb;
/* get co-ordinates of block */
gla2DDrawTranslatePt(di, ab->start, ypos, &sc_xa, &sc_ya);
gla2DDrawTranslatePt(di, ab->end, ypos, &sc_xb, &sc_yb);
/* draw block */
if (ab->sel)
UI_ThemeColor4(TH_STRIP_SELECT);
else
UI_ThemeColor4(TH_STRIP);
glRectf((float)sc_xa, (float)sc_ya-3, (float)sc_xb, (float)sc_yb+5);
}
}
}
/* draw keys */
if (keys) {
for (ak= keys->first; ak; ak= ak->next) {
int sc_x, sc_y;
/* get co-ordinate to draw at */
gla2DDrawTranslatePt(di, ak->cfra, ypos, &sc_x, &sc_y);
/* draw using icons - old way which is slower but more proven */
if (ak->sel & SELECT) UI_icon_draw_aspect((float)sc_x-7, (float)sc_y-6, ICON_SPACE2, 1.0f);
else UI_icon_draw_aspect((float)sc_x-7, (float)sc_y-6, ICON_SPACE3, 1.0f);
/* draw using OpenGL - slightly uglier but faster */
// NOTE: disabled for now, as some intel cards seem to have problems with this
//draw_key_but(sc_x-5, sc_y-4, 11, 11, (ak->sel & SELECT));
}
}
glDisable(GL_BLEND);
}
/* *************************** Channel Drawing Funcs *************************** */
void draw_object_channel(gla2DDrawInfo *di, ActKeysInc *aki, Object *ob, float ypos)
{
ListBase keys = {0, 0};
ListBase blocks = {0, 0};
ob_to_keylist(ob, &keys, &blocks, aki);
draw_keylist(di, &keys, &blocks, ypos);
BLI_freelistN(&keys);
BLI_freelistN(&blocks);
}
void draw_fcurve_channel(gla2DDrawInfo *di, ActKeysInc *aki, FCurve *fcu, float ypos)
{
ListBase keys = {0, 0};
ListBase blocks = {0, 0};
fcurve_to_keylist(fcu, &keys, &blocks, aki);
draw_keylist(di, &keys, &blocks, ypos);
BLI_freelistN(&keys);
BLI_freelistN(&blocks);
}
void draw_agroup_channel(gla2DDrawInfo *di, ActKeysInc *aki, bActionGroup *agrp, float ypos)
{
ListBase keys = {0, 0};
ListBase blocks = {0, 0};
agroup_to_keylist(agrp, &keys, &blocks, aki);
draw_keylist(di, &keys, &blocks, ypos);
BLI_freelistN(&keys);
BLI_freelistN(&blocks);
}
void draw_action_channel(gla2DDrawInfo *di, ActKeysInc *aki, bAction *act, float ypos)
{
ListBase keys = {0, 0};
ListBase blocks = {0, 0};
action_to_keylist(act, &keys, &blocks, aki);
draw_keylist(di, &keys, &blocks, ypos);
BLI_freelistN(&keys);
BLI_freelistN(&blocks);
}
void draw_gpl_channel(gla2DDrawInfo *di, ActKeysInc *aki, bGPDlayer *gpl, float ypos)
{
ListBase keys = {0, 0};
gpl_to_keylist(gpl, &keys, NULL, aki);
draw_keylist(di, &keys, NULL, ypos);
BLI_freelistN(&keys);
}
/* *************************** Keyframe List Conversions *************************** */
void ob_to_keylist(Object *ob, ListBase *keys, ListBase *blocks, ActKeysInc *aki)
{
// Key *key= ob_get_key(ob);
if (ob) {
bDopeSheet *ads= (aki)? (aki->ads) : NULL;
int filterflag;
/* get filterflag */
if (ads)
filterflag= ads->filterflag;
else if ((aki) && (aki->actmode == -1)) /* only set like this by NLA */
filterflag= ADS_FILTER_NLADUMMY;
else
filterflag= 0;
/* Add action keyframes */
if ((ob->adt && ob->adt->action) /*&& !(filterflag & ADS_FILTER_NOACTS)*/)
action_nlascaled_to_keylist(ob, ob->adt->action, keys, blocks, aki);
#if 0 // XXX old animation system
/* Add shapekey keyframes (only if dopesheet allows, if it is available) */
if ((key && key->ipo) && !(filterflag & ADS_FILTER_NOSHAPEKEYS))
ipo_to_keylist(key->ipo, keys, blocks, aki);
/* Add material keyframes (only if dopesheet allows, if it is available) */
if ((ob->totcol) && !(filterflag & ADS_FILTER_NOMAT)) {
short a;
for (a=0; a<ob->totcol; a++) {
Material *ma= give_current_material(ob, a);
if (ELEM(NULL, ma, ma->ipo) == 0)
ipo_to_keylist(ma->ipo, keys, blocks, aki);
}
}
/* Add object data keyframes */
switch (ob->type) {
case OB_CAMERA: /* ------- Camera ------------ */
{
Camera *ca= (Camera *)ob->data;
if ((ca->ipo) && !(filterflag & ADS_FILTER_NOCAM))
ipo_to_keylist(ca->ipo, keys, blocks, aki);
}
break;
case OB_LAMP: /* ---------- Lamp ----------- */
{
Lamp *la= (Lamp *)ob->data;
if ((la->ipo) && !(filterflag & ADS_FILTER_NOLAM))
ipo_to_keylist(la->ipo, keys, blocks, aki);
}
break;
case OB_CURVE: /* ------- Curve ---------- */
{
Curve *cu= (Curve *)ob->data;
if ((cu->ipo) && !(filterflag & ADS_FILTER_NOCUR))
ipo_to_keylist(cu->ipo, keys, blocks, aki);
}
break;
}
#endif // XXX old animation system
}
}
static short bezt_in_aki_range (ActKeysInc *aki, BezTriple *bezt)
{
/* when aki == NULL, we don't care about range */
if (aki == NULL)
return 1;
/* if start and end are both 0, then don't care about range */
if (IS_EQ(aki->start, 0) && IS_EQ(aki->end, 0))
return 1;
/* if nla-scaling is in effect, apply appropriate scaling adjustments */
#if 0 // XXX this was from some buggy code... do not port for now
if (aki->ob) {
float frame= get_action_frame_inv(aki->ob, bezt->vec[1][0]);
return IN_RANGE(frame, aki->start, aki->end);
}
else {
/* check if in range */
return IN_RANGE(bezt->vec[1][0], aki->start, aki->end);
}
#endif // XXX this was from some buggy code... do not port for now
return 1;
}
void fcurve_to_keylist(FCurve *fcu, ListBase *keys, ListBase *blocks, ActKeysInc *aki)
{
BezTriple *bezt;
ActKeyColumn *ak, *ak2;
ActKeyBlock *ab, *ab2;
int v;
if (fcu && fcu->totvert) {
/* loop through beztriples, making ActKeys and ActKeyBlocks */
bezt= fcu->bezt;
for (v=0; v < fcu->totvert; v++, bezt++) {
/* only if keyframe is in range (optimisation) */
if (bezt_in_aki_range(aki, bezt)) {
add_bezt_to_keycolumnslist(keys, bezt);
if (blocks) add_bezt_to_keyblockslist(blocks, fcu, v);
}
}
/* update the number of curves that elements have appeared in */
if (keys) {
for (ak=keys->first, ak2=keys->last; ak && ak2; ak=ak->next, ak2=ak2->prev) {
if (ak->modified) {
ak->modified = 0;
ak->totcurve += 1;
}
if (ak == ak2)
break;
if (ak2->modified) {
ak2->modified = 0;
ak2->totcurve += 1;
}
}
}
if (blocks) {
for (ab=blocks->first, ab2=blocks->last; ab && ab2; ab=ab->next, ab2=ab2->prev) {
if (ab->modified) {
ab->modified = 0;
ab->totcurve += 1;
}
if (ab == ab2)
break;
if (ab2->modified) {
ab2->modified = 0;
ab2->totcurve += 1;
}
}
}
}
}
void agroup_to_keylist(bActionGroup *agrp, ListBase *keys, ListBase *blocks, ActKeysInc *aki)
{
FCurve *fcu;
if (agrp) {
/* loop through F-Curves */
for (fcu= agrp->channels.first; fcu && fcu->grp==agrp; fcu= fcu->next) {
fcurve_to_keylist(fcu, keys, blocks, aki);
}
}
}
void action_to_keylist(bAction *act, ListBase *keys, ListBase *blocks, ActKeysInc *aki)
{
FCurve *fcu;
if (act) {
/* loop through F-Curves */
for (fcu= act->curves.first; fcu; fcu= fcu->next) {
fcurve_to_keylist(fcu, keys, blocks, aki);
}
}
}
void action_nlascaled_to_keylist(Object *ob, bAction *act, ListBase *keys, ListBase *blocks, ActKeysInc *aki)
{
FCurve *fcu;
Object *oldob= NULL;
/* although apply and clearing NLA-scaling pre-post creating keylist does impact on performance,
* the effects should be fairly minimal, as we're already going through the keyframes multiple times
* already for blocks too...
*/
if (act) {
/* if 'aki' is provided, store it's current ob to restore later as it might not be the same */
if (aki) {
oldob= aki->ob;
aki->ob= ob;
}
/* loop through F-Curves
* - scaling correction only does times for center-points, so should be faster
*/
for (fcu= act->curves.first; fcu; fcu= fcu->next) {
ANIM_nla_mapping_apply_fcurve(ob, fcu, 0, 1);
fcurve_to_keylist(fcu, keys, blocks, aki);
ANIM_nla_mapping_apply_fcurve(ob, fcu, 1, 1);
}
/* if 'aki' is provided, restore ob */
if (aki)
aki->ob= oldob;
}
}
void gpl_to_keylist(bGPDlayer *gpl, ListBase *keys, ListBase *blocks, ActKeysInc *aki)
{
bGPDframe *gpf;
ActKeyColumn *ak;
if (gpl && keys) {
/* loop over frames, converting directly to 'keyframes' (should be in order too) */
for (gpf= gpl->frames.first; gpf; gpf= gpf->next) {
ak= MEM_callocN(sizeof(ActKeyColumn), "ActKeyColumn");
BLI_addtail(keys, ak);
ak->cfra= (float)gpf->framenum;
ak->modified = 1;
ak->handle_type= 0;
if (gpf->flag & GP_FRAME_SELECT)
ak->sel = SELECT;
else
ak->sel = 0;
}
}
}
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