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Diffstat (limited to 'source/blender/blenkernel/intern/ipo.c')
-rw-r--r--source/blender/blenkernel/intern/ipo.c1878
1 files changed, 1878 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/ipo.c b/source/blender/blenkernel/intern/ipo.c
new file mode 100644
index 00000000000..cab1efba716
--- /dev/null
+++ b/source/blender/blenkernel/intern/ipo.c
@@ -0,0 +1,1878 @@
+/* ipo.c MIXED MODEL
+ *
+ * jan 95
+ *
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License. See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+#ifdef WIN32
+#include "BLI_winstuff.h"
+#endif
+#include "MEM_guardedalloc.h"
+
+#include "DNA_ika_types.h"
+#include "DNA_sequence_types.h"
+#include "DNA_camera_types.h"
+#include "DNA_sound_types.h"
+#include "DNA_lamp_types.h"
+#include "DNA_view3d_types.h"
+#include "DNA_key_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_texture_types.h"
+#include "DNA_material_types.h"
+#include "DNA_object_types.h"
+#include "DNA_curve_types.h"
+#include "DNA_ipo_types.h"
+#include "DNA_action_types.h"
+#include "BLI_blenlib.h"
+#include "BLI_arithb.h"
+
+#include "BKE_bad_level_calls.h"
+#include "BKE_utildefines.h"
+
+#include "BKE_main.h"
+#include "BKE_global.h"
+#include "BKE_library.h"
+#include "BKE_curve.h"
+#include "BKE_object.h"
+#include "BKE_blender.h"
+#include "BKE_ipo.h"
+#include "BKE_constraint.h"
+
+#define SMALL -1.0e-10
+
+/* Dit array is ervoor zodat defines zoals OB_LOC_X niet persee 0 hoeft te zijn.
+ Ook voor toekomstige backward compatibility.
+ Zo kan met een for-next lus alles worden afgelopen */
+
+int co_ar[CO_TOTIPO]= {
+ CO_ENFORCE
+};
+
+int ob_ar[OB_TOTIPO]= {
+ OB_LOC_X, OB_LOC_Y, OB_LOC_Z, OB_DLOC_X, OB_DLOC_Y, OB_DLOC_Z,
+ OB_ROT_X, OB_ROT_Y, OB_ROT_Z, OB_DROT_X, OB_DROT_Y, OB_DROT_Z,
+ OB_SIZE_X, OB_SIZE_Y, OB_SIZE_Z, OB_DSIZE_X, OB_DSIZE_Y, OB_DSIZE_Z,
+ OB_LAY, OB_TIME, OB_EFF_X, OB_EFF_Y, OB_EFF_Z, OB_COL_A
+};
+
+int ac_ar[AC_TOTIPO]= {
+ AC_LOC_X, AC_LOC_Y, AC_LOC_Z,
+ AC_QUAT_W, AC_QUAT_X, AC_QUAT_Y, AC_QUAT_Z,
+ AC_SIZE_X, AC_SIZE_Y, AC_SIZE_Z
+};
+
+int ma_ar[MA_TOTIPO]= {
+ MA_COL_R, MA_COL_G, MA_COL_B,
+ MA_SPEC_R, MA_SPEC_G, MA_SPEC_B,
+ MA_MIR_R, MA_MIR_G, MA_MIR_B,
+ MA_REF, MA_ALPHA, MA_EMIT, MA_AMB,
+ MA_SPEC, MA_HARD, MA_SPTR, MA_ANG,
+ MA_MODE, MA_HASIZE,
+
+ MA_MAP1+MAP_OFS_X, MA_MAP1+MAP_OFS_Y, MA_MAP1+MAP_OFS_Z,
+ MA_MAP1+MAP_SIZE_X, MA_MAP1+MAP_SIZE_Y, MA_MAP1+MAP_SIZE_Z,
+ MA_MAP1+MAP_R, MA_MAP1+MAP_G, MA_MAP1+MAP_B,
+ MA_MAP1+MAP_DVAR, MA_MAP1+MAP_COLF, MA_MAP1+MAP_NORF, MA_MAP1+MAP_VARF
+};
+
+int seq_ar[SEQ_TOTIPO]= {
+ SEQ_FAC1
+};
+
+int cu_ar[CU_TOTIPO]= {
+ CU_SPEED
+};
+
+int key_ar[KEY_TOTIPO]= {
+ KEY_SPEED, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+ 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
+};
+
+int wo_ar[WO_TOTIPO]= {
+ WO_HOR_R, WO_HOR_G, WO_HOR_B, WO_ZEN_R, WO_ZEN_G, WO_ZEN_B,
+ WO_EXPOS, WO_MISI, WO_MISTDI, WO_MISTSTA, WO_MISTHI,
+ WO_STAR_R, WO_STAR_G, WO_STAR_B, WO_STARDIST, WO_STARSIZE,
+
+ MA_MAP1+MAP_OFS_X, MA_MAP1+MAP_OFS_Y, MA_MAP1+MAP_OFS_Z,
+ MA_MAP1+MAP_SIZE_X, MA_MAP1+MAP_SIZE_Y, MA_MAP1+MAP_SIZE_Z,
+ MA_MAP1+MAP_R, MA_MAP1+MAP_G, MA_MAP1+MAP_B,
+ MA_MAP1+MAP_DVAR, MA_MAP1+MAP_COLF, MA_MAP1+MAP_NORF, MA_MAP1+MAP_VARF
+};
+
+int la_ar[LA_TOTIPO]= {
+ LA_ENERGY, LA_COL_R, LA_COL_G, LA_COL_B,
+ LA_DIST, LA_SPOTSI, LA_SPOTBL,
+ LA_QUAD1, LA_QUAD2, LA_HALOINT,
+
+ MA_MAP1+MAP_OFS_X, MA_MAP1+MAP_OFS_Y, MA_MAP1+MAP_OFS_Z,
+ MA_MAP1+MAP_SIZE_X, MA_MAP1+MAP_SIZE_Y, MA_MAP1+MAP_SIZE_Z,
+ MA_MAP1+MAP_R, MA_MAP1+MAP_G, MA_MAP1+MAP_B,
+ MA_MAP1+MAP_DVAR, MA_MAP1+MAP_COLF, MA_MAP1+MAP_NORF, MA_MAP1+MAP_VARF
+};
+
+int cam_ar[CAM_TOTIPO]= {
+ CAM_LENS, CAM_STA, CAM_END
+};
+
+int snd_ar[SND_TOTIPO]= {
+ SND_VOLUME, SND_PITCH, SND_PANNING, SND_ATTEN
+};
+
+
+
+float frame_to_float(int cfra) /* zie ook bsystem_time in object.c */
+{
+ extern float bluroffs; /* object.c */
+ float ctime;
+
+ ctime= (float)cfra;
+ if(R.flag & R_SEC_FIELD) {
+ if((R.r.mode & R_FIELDSTILL)==0) ctime+= 0.5;
+ }
+ ctime+= bluroffs;
+ ctime*= G.scene->r.framelen;
+
+ return ctime;
+}
+
+/* niet ipo zelf vrijgeven */
+void free_ipo(Ipo *ipo)
+{
+ IpoCurve *icu;
+
+ icu= ipo->curve.first;
+ while(icu) {
+ if(icu->bezt) MEM_freeN(icu->bezt);
+ icu= icu->next;
+ }
+ BLI_freelistN(&ipo->curve);
+}
+
+Ipo *add_ipo(char *name, int idcode)
+{
+ Ipo *ipo;
+
+ ipo= alloc_libblock(&G.main->ipo, ID_IP, name);
+ ipo->blocktype= idcode;
+
+ return ipo;
+}
+
+Ipo *copy_ipo(Ipo *ipo)
+{
+ Ipo *ipon;
+ IpoCurve *icu;
+
+ if(ipo==0) return 0;
+
+ ipon= copy_libblock(ipo);
+
+ duplicatelist(&(ipon->curve), &(ipo->curve));
+
+ icu= ipon->curve.first;
+ while(icu) {
+ icu->bezt= MEM_dupallocN(icu->bezt);
+ icu= icu->next;
+ }
+
+ return ipon;
+}
+
+void make_local_obipo(Ipo *ipo)
+{
+ Object *ob;
+ Ipo *ipon;
+ int local=0, lib=0;
+
+ /* - zijn er alleen lib users: niet doen
+ * - zijn er alleen locale users: flag zetten
+ * - mixed: copy
+ */
+
+ ob= G.main->object.first;
+ while(ob) {
+ if(ob->ipo==ipo) {
+ if(ob->id.lib) lib= 1;
+ else local= 1;
+ }
+ ob= ob->id.next;
+ }
+
+ if(local && lib==0) {
+ ipo->id.lib= 0;
+ ipo->id.flag= LIB_LOCAL;
+ new_id(0, (ID *)ipo, 0);
+ }
+ else if(local && lib) {
+ ipon= copy_ipo(ipo);
+ ipon->id.us= 0;
+
+ ob= G.main->object.first;
+ while(ob) {
+ if(ob->ipo==ipo) {
+
+ if(ob->id.lib==0) {
+ ob->ipo= ipon;
+ ipon->id.us++;
+ ipo->id.us--;
+ }
+ }
+ ob= ob->id.next;
+ }
+ }
+}
+
+void make_local_matipo(Ipo *ipo)
+{
+ Material *ma;
+ Ipo *ipon;
+ int local=0, lib=0;
+
+ /* - zijn er alleen lib users: niet doen
+ * - zijn er alleen locale users: flag zetten
+ * - mixed: copy
+ */
+
+ ma= G.main->mat.first;
+ while(ma) {
+ if(ma->ipo==ipo) {
+ if(ma->id.lib) lib= 1;
+ else local= 1;
+ }
+ ma= ma->id.next;
+ }
+
+ if(local && lib==0) {
+ ipo->id.lib= 0;
+ ipo->id.flag= LIB_LOCAL;
+ new_id(0, (ID *)ipo, 0);
+ }
+ else if(local && lib) {
+ ipon= copy_ipo(ipo);
+ ipon->id.us= 0;
+
+ ma= G.main->mat.first;
+ while(ma) {
+ if(ma->ipo==ipo) {
+
+ if(ma->id.lib==0) {
+ ma->ipo= ipon;
+ ipon->id.us++;
+ ipo->id.us--;
+ }
+ }
+ ma= ma->id.next;
+ }
+ }
+}
+
+void make_local_keyipo(Ipo *ipo)
+{
+ Key *key;
+ Ipo *ipon;
+ int local=0, lib=0;
+
+ /* - zijn er alleen lib users: niet doen
+ * - zijn er alleen locale users: flag zetten
+ * - mixed: copy
+ */
+
+ key= G.main->key.first;
+ while(key) {
+ if(key->ipo==ipo) {
+ if(key->id.lib) lib= 1;
+ else local= 1;
+ }
+ key= key->id.next;
+ }
+
+ if(local && lib==0) {
+ ipo->id.lib= 0;
+ ipo->id.flag= LIB_LOCAL;
+ new_id(0, (ID *)ipo, 0);
+ }
+ else if(local && lib) {
+ ipon= copy_ipo(ipo);
+ ipon->id.us= 0;
+
+ key= G.main->key.first;
+ while(key) {
+ if(key->ipo==ipo) {
+
+ if(key->id.lib==0) {
+ key->ipo= ipon;
+ ipon->id.us++;
+ ipo->id.us--;
+ }
+ }
+ key= key->id.next;
+ }
+ }
+}
+
+
+void make_local_ipo(Ipo *ipo)
+{
+
+ if(ipo->id.lib==0) return;
+ if(ipo->id.us==1) {
+ ipo->id.lib= 0;
+ ipo->id.flag= LIB_LOCAL;
+ new_id(0, (ID *)ipo, 0);
+ return;
+ }
+
+ if(ipo->blocktype==ID_OB) make_local_obipo(ipo);
+ else if(ipo->blocktype==ID_MA) make_local_matipo(ipo);
+ else if(ipo->blocktype==ID_KE) make_local_keyipo(ipo);
+
+}
+
+
+void calchandles_ipocurve(IpoCurve *icu)
+{
+ BezTriple *bezt, *prev, *next;
+ int a;
+
+ a= icu->totvert;
+ if(a<2) return;
+
+ bezt= icu->bezt;
+ prev= 0;
+ next= bezt+1;
+
+ while(a--) {
+
+ if(bezt->vec[0][0]>bezt->vec[1][0]) bezt->vec[0][0]= bezt->vec[1][0];
+ if(bezt->vec[2][0]<bezt->vec[1][0]) bezt->vec[2][0]= bezt->vec[1][0];
+
+ calchandleNurb(bezt, prev, next, 1); /* 1==speciale autohandle */
+
+ prev= bezt;
+ if(a==1) {
+ next= 0;
+ }
+ else next++;
+
+ /* voor automatische ease in en out */
+ if(bezt->h1==HD_AUTO && bezt->h2==HD_AUTO) {
+ if(a==0 || a==icu->totvert-1) {
+ if(icu->extrap==IPO_HORIZ) {
+ bezt->vec[0][1]= bezt->vec[2][1]= bezt->vec[1][1];
+ }
+ }
+ }
+
+ bezt++;
+ }
+}
+
+void testhandles_ipocurve(IpoCurve *icu)
+{
+ /* Te gebruiken als er iets aan de handles is veranderd.
+ * Loopt alle BezTriples af met de volgende regels:
+ * FASE 1: types veranderen?
+ * Autocalchandles: worden ligned als NOT(000 || 111)
+ * Vectorhandles worden 'niets' als (selected en andere niet)
+ * FASE 2: handles herberekenen
+ */
+ BezTriple *bezt;
+ int flag, a;
+
+ bezt= icu->bezt;
+ if(bezt==0) return;
+
+ a= icu->totvert;
+ while(a--) {
+ flag= 0;
+ if(bezt->f1 & 1) flag++;
+ if(bezt->f2 & 1) flag += 2;
+ if(bezt->f3 & 1) flag += 4;
+
+ if( !(flag==0 || flag==7) ) {
+ if(bezt->h1==HD_AUTO) { /* auto */
+ bezt->h1= HD_ALIGN;
+ }
+ if(bezt->h2==HD_AUTO) { /* auto */
+ bezt->h2= HD_ALIGN;
+ }
+
+ if(bezt->h1==HD_VECT) { /* vector */
+ if(flag < 4) bezt->h1= 0;
+ }
+ if(bezt->h2==HD_VECT) { /* vector */
+ if( flag > 3) bezt->h2= 0;
+ }
+ }
+ bezt++;
+ }
+
+ calchandles_ipocurve(icu);
+}
+
+
+void sort_time_ipocurve(IpoCurve *icu)
+{
+ BezTriple *bezt;
+ int a, ok= 1;
+
+ while(ok) {
+ ok= 0;
+
+ if(icu->bezt) {
+ bezt= icu->bezt;
+ a= icu->totvert;
+ while(a--) {
+ if(a>0) {
+ if( bezt->vec[1][0] > (bezt+1)->vec[1][0]) {
+ SWAP(BezTriple, *bezt, *(bezt+1));
+ ok= 1;
+ }
+ }
+ if(bezt->vec[0][0]>=bezt->vec[1][0] && bezt->vec[2][0]<=bezt->vec[1][0]) {
+ SWAP(float, bezt->vec[0][0], bezt->vec[2][0]);
+ SWAP(float, bezt->vec[0][1], bezt->vec[2][1]);
+ }
+ else {
+ if(bezt->vec[0][0]>bezt->vec[1][0]) bezt->vec[0][0]= bezt->vec[1][0];
+ if(bezt->vec[2][0]<bezt->vec[1][0]) bezt->vec[2][0]= bezt->vec[1][0];
+ }
+ bezt++;
+ }
+ }
+ else {
+
+ }
+ }
+}
+
+int test_time_ipocurve(IpoCurve *icu)
+{
+ BezTriple *bezt;
+ int a;
+
+ if(icu->bezt) {
+ bezt= icu->bezt;
+ a= icu->totvert-1;
+ while(a--) {
+ if( bezt->vec[1][0] > (bezt+1)->vec[1][0]) {
+ return 1;
+ }
+ bezt++;
+ }
+ }
+ else {
+
+ }
+
+ return 0;
+}
+
+void correct_bezpart(float *v1, float *v2, float *v3, float *v4)
+{
+ /* de totale lengte van de handles mag niet langer zijn
+ * dan de horizontale afstand tussen de punten (v1-v4)
+ */
+ float h1[2], h2[2], len1, len2, len, fac;
+
+ h1[0]= v1[0]-v2[0];
+ h1[1]= v1[1]-v2[1];
+ h2[0]= v4[0]-v3[0];
+ h2[1]= v4[1]-v3[1];
+
+ len= v4[0]- v1[0];
+ len1= (float)fabs(h1[0]);
+ len2= (float)fabs(h2[0]);
+
+ if(len1+len2==0.0) return;
+ if(len1+len2 > len) {
+ fac= len/(len1+len2);
+
+ v2[0]= (v1[0]-fac*h1[0]);
+ v2[1]= (v1[1]-fac*h1[1]);
+
+ v3[0]= (v4[0]-fac*h2[0]);
+ v3[1]= (v4[1]-fac*h2[1]);
+
+ }
+}
+
+/* *********************** ARITH *********************** */
+
+int findzero(float x, float q0, float q1, float q2, float q3, float *o)
+{
+ double c0, c1, c2, c3, a, b, c, p, q, d, t, phi;
+ int nr= 0;
+
+ c0= q0-x;
+ c1= 3*(q1-q0);
+ c2= 3*(q0-2*q1+q2);
+ c3= q3-q0+3*(q1-q2);
+
+ if(c3!=0.0) {
+ a= c2/c3;
+ b= c1/c3;
+ c= c0/c3;
+ a= a/3;
+
+ p= b/3-a*a;
+ q= (2*a*a*a-a*b+c)/2;
+ d= q*q+p*p*p;
+
+ if(d>0.0) {
+ t= sqrt(d);
+ o[0]= (float)(Sqrt3d(-q+t)+Sqrt3d(-q-t)-a);
+ if(o[0]>= SMALL && o[0]<=1.000001) return 1;
+ else return 0;
+ }
+ else if(d==0.0) {
+ t= Sqrt3d(-q);
+ o[0]= (float)(2*t-a);
+ if(o[0]>=SMALL && o[0]<=1.000001) nr++;
+ o[nr]= (float)(-t-a);
+ if(o[nr]>=SMALL && o[nr]<=1.000001) return nr+1;
+ else return nr;
+ }
+ else {
+ phi= acos(-q/sqrt(-(p*p*p)));
+ t= sqrt(-p);
+ p= cos(phi/3);
+ q= sqrt(3-3*p*p);
+ o[0]= (float)(2*t*p-a);
+ if(o[0]>=SMALL && o[0]<=1.000001) nr++;
+ o[nr]= (float)(-t*(p+q)-a);
+ if(o[nr]>=SMALL && o[nr]<=1.000001) nr++;
+ o[nr]= (float)(-t*(p-q)-a);
+ if(o[nr]>=SMALL && o[nr]<=1.000001) return nr+1;
+ else return nr;
+ }
+ }
+ else {
+ a=c2;
+ b=c1;
+ c=c0;
+
+ if(a!=0.0) {
+ p=b*b-4*a*c;
+ if(p>0) {
+ p= sqrt(p);
+ o[0]= (float)((-b-p)/(2*a));
+ if(o[0]>=SMALL && o[0]<=1.000001) nr++;
+ o[nr]= (float)((-b+p)/(2*a));
+ if(o[nr]>=SMALL && o[nr]<=1.000001) return nr+1;
+ else return nr;
+ }
+ else if(p==0) {
+ o[0]= (float)(-b/(2*a));
+ if(o[0]>=SMALL && o[0]<=1.000001) return 1;
+ else return 0;
+ }
+ }
+ else if(b!=0.0) {
+ o[0]= (float)(-c/b);
+ if(o[0]>=SMALL && o[0]<=1.000001) return 1;
+ else return 0;
+ }
+ else if(c==0.0) {
+ o[0]= 0.0;
+ return 1;
+ }
+ return 0;
+ }
+}
+
+void berekeny(float f1, float f2, float f3, float f4, float *o, int b)
+{
+ float t, c0, c1, c2, c3;
+ int a;
+
+ c0= f1;
+ c1= 3.0f*(f2 - f1);
+ c2= 3.0f*(f1 - 2.0f*f2 + f3);
+ c3= f4 - f1 + 3.0f*(f2-f3);
+
+ for(a=0; a<b; a++) {
+ t= o[a];
+ o[a]= c0+t*c1+t*t*c2+t*t*t*c3;
+ }
+}
+void berekenx(float *f, float *o, int b)
+{
+ float t, c0, c1, c2, c3;
+ int a;
+
+ c0= f[0];
+ c1= 3*(f[3]-f[0]);
+ c2= 3*(f[0]-2*f[3]+f[6]);
+ c3= f[9]-f[0]+3*(f[3]-f[6]);
+ for(a=0; a<b; a++) {
+ t= o[a];
+ o[a]= c0+t*c1+t*t*c2+t*t*t*c3;
+ }
+}
+
+float eval_icu(IpoCurve *icu, float ipotime)
+{
+ BezTriple *bezt, *prevbezt;
+ float v1[2], v2[2], v3[2], v4[2], opl[32], dx, fac;
+ float cycdx, cycdy, ofs, cycyofs, cvalue = 0.0;
+ int a, b;
+
+ cycyofs= 0.0;
+
+ if(icu->bezt) {
+ prevbezt= icu->bezt;
+ bezt= prevbezt+1;
+ a= icu->totvert-1;
+
+ /* cyclic? */
+ if(icu->extrap & IPO_CYCL) {
+ ofs= icu->bezt->vec[1][0];
+ cycdx= (icu->bezt+icu->totvert-1)->vec[1][0] - ofs;
+ cycdy= (icu->bezt+icu->totvert-1)->vec[1][1] - icu->bezt->vec[1][1];
+ if(cycdx!=0.0) {
+
+ if(icu->extrap & IPO_DIR) {
+ cycyofs= (float)floor((ipotime-ofs)/cycdx);
+ cycyofs*= cycdy;
+ }
+
+ ipotime= (float)(fmod(ipotime-ofs, cycdx)+ofs);
+ if(ipotime<ofs) ipotime+= cycdx;
+ }
+ }
+
+ /* uiteinden? */
+
+ if(prevbezt->vec[1][0]>=ipotime) {
+ if( (icu->extrap & IPO_DIR) && icu->ipo!=IPO_CONST) {
+ dx= prevbezt->vec[1][0]-ipotime;
+ fac= prevbezt->vec[1][0]-prevbezt->vec[0][0];
+ if(fac!=0.0) {
+ fac= (prevbezt->vec[1][1]-prevbezt->vec[0][1])/fac;
+ cvalue= prevbezt->vec[1][1]-fac*dx;
+ }
+ else cvalue= prevbezt->vec[1][1];
+ }
+ else cvalue= prevbezt->vec[1][1];
+
+ cvalue+= cycyofs;
+ }
+ else if( (prevbezt+a)->vec[1][0]<=ipotime) {
+ if( (icu->extrap & IPO_DIR) && icu->ipo!=IPO_CONST) {
+ prevbezt+= a;
+ dx= ipotime-prevbezt->vec[1][0];
+ fac= prevbezt->vec[2][0]-prevbezt->vec[1][0];
+
+ if(fac!=0) {
+ fac= (prevbezt->vec[2][1]-prevbezt->vec[1][1])/fac;
+ cvalue= prevbezt->vec[1][1]+fac*dx;
+ }
+ else cvalue= prevbezt->vec[1][1];
+ }
+ else cvalue= (prevbezt+a)->vec[1][1];
+
+ cvalue+= cycyofs;
+ }
+ else {
+ while(a--) {
+ if(prevbezt->vec[1][0]<=ipotime && bezt->vec[1][0]>=ipotime) {
+ if(icu->ipo==IPO_CONST) {
+ cvalue= prevbezt->vec[1][1]+cycyofs;
+ }
+ else if(icu->ipo==IPO_LIN) {
+ fac= bezt->vec[1][0]-prevbezt->vec[1][0];
+ if(fac==0) cvalue= cycyofs+prevbezt->vec[1][1];
+ else {
+ fac= (ipotime-prevbezt->vec[1][0])/fac;
+ cvalue= cycyofs+prevbezt->vec[1][1]+ fac*(bezt->vec[1][1]-prevbezt->vec[1][1]);
+ }
+ }
+ else {
+ v1[0]= prevbezt->vec[1][0];
+ v1[1]= prevbezt->vec[1][1];
+ v2[0]= prevbezt->vec[2][0];
+ v2[1]= prevbezt->vec[2][1];
+
+ v3[0]= bezt->vec[0][0];
+ v3[1]= bezt->vec[0][1];
+ v4[0]= bezt->vec[1][0];
+ v4[1]= bezt->vec[1][1];
+
+ correct_bezpart(v1, v2, v3, v4);
+
+ b= findzero(ipotime, v1[0], v2[0], v3[0], v4[0], opl);
+ if(b) {
+ berekeny(v1[1], v2[1], v3[1], v4[1], opl, 1);
+ cvalue= opl[0]+cycyofs;
+ break;
+ }
+ }
+ }
+ prevbezt= bezt;
+ bezt++;
+ }
+ }
+ }
+
+ if(icu->ymin < icu->ymax) {
+ if(cvalue < icu->ymin) cvalue= icu->ymin;
+ else if(cvalue > icu->ymax) cvalue= icu->ymax;
+ }
+
+ return cvalue;
+}
+
+void calc_icu(IpoCurve *icu, float ctime)
+{
+ icu->curval= eval_icu(icu, ctime);
+}
+
+float calc_ipo_time(Ipo *ipo, float ctime)
+{
+
+ if(ipo && ipo->blocktype==ID_OB) {
+ IpoCurve *icu= ipo->curve.first;
+
+ while(icu) {
+ if (icu->adrcode==OB_TIME) {
+ calc_icu(icu, ctime);
+ return 10.0f*icu->curval;
+ }
+ icu= icu->next;
+ }
+ }
+
+ return ctime;
+}
+
+void calc_ipo(Ipo *ipo, float ctime)
+{
+ IpoCurve *icu;
+
+ icu= ipo->curve.first;
+ while(icu) {
+
+ if( (icu->flag & IPO_LOCK)==0) calc_icu(icu, ctime);
+
+ icu= icu->next;
+ }
+}
+
+/* ************************************** */
+/* DO THE IPO! */
+/* ************************************** */
+
+void write_ipo_poin(void *poin, int type, float val)
+{
+
+ switch(type) {
+ case IPO_FLOAT:
+ *( (float *)poin)= val;
+ break;
+ case IPO_FLOAT_DEGR:
+ *( (float *)poin)= (float)(val*M_PI_2/9.0);
+ break;
+ case IPO_INT:
+ case IPO_INT_BIT:
+ case IPO_LONG:
+ *( (int *)poin)= (int)val;
+ break;
+ case IPO_SHORT:
+ case IPO_SHORT_BIT:
+ *( (short *)poin)= (short)val;
+ break;
+ case IPO_CHAR:
+ case IPO_CHAR_BIT:
+ *( (char *)poin)= (char)val;
+ break;
+ }
+}
+
+float read_ipo_poin(void *poin, int type)
+{
+ float val = 0.0;
+
+ switch(type) {
+ case IPO_FLOAT:
+ val= *( (float *)poin);
+ break;
+ case IPO_FLOAT_DEGR:
+ val= *( (float *)poin);
+ val = (float)(val/(M_PI_2/9.0));
+ break;
+ case IPO_INT:
+ case IPO_INT_BIT:
+ case IPO_LONG:
+ val= (float)(*( (int *)poin));
+ break;
+ case IPO_SHORT:
+ case IPO_SHORT_BIT:
+ val= *( (short *)poin);
+ break;
+ case IPO_CHAR:
+ case IPO_CHAR_BIT:
+ val= *( (char *)poin);
+ break;
+ }
+ return val;
+}
+
+void *give_mtex_poin(MTex *mtex, int adrcode )
+{
+ void *poin=0;
+
+ switch(adrcode) {
+ case MAP_OFS_X:
+ poin= &(mtex->ofs[0]); break;
+ case MAP_OFS_Y:
+ poin= &(mtex->ofs[1]); break;
+ case MAP_OFS_Z:
+ poin= &(mtex->ofs[2]); break;
+ case MAP_SIZE_X:
+ poin= &(mtex->size[0]); break;
+ case MAP_SIZE_Y:
+ poin= &(mtex->size[1]); break;
+ case MAP_SIZE_Z:
+ poin= &(mtex->size[2]); break;
+ case MAP_R:
+ poin= &(mtex->r); break;
+ case MAP_G:
+ poin= &(mtex->g); break;
+ case MAP_B:
+ poin= &(mtex->b); break;
+ case MAP_DVAR:
+ poin= &(mtex->def_var); break;
+ case MAP_COLF:
+ poin= &(mtex->colfac); break;
+ case MAP_NORF:
+ poin= &(mtex->norfac); break;
+ case MAP_VARF:
+ poin= &(mtex->varfac); break;
+ }
+
+ return poin;
+}
+
+/* GS reads the memory pointed at in a specific ordering. There are,
+ * however two definitions for it. I have jotted them down here, both,
+ * but I think the first one is actually used. The thing is that
+ * big-endian systems might read this the wrong way round. OTOH, we
+ * constructed the IDs that are read out with this macro explicitly as
+ * well. I expect we'll sort it out soon... */
+
+/* from blendef: */
+#define GS(a) (*((short *)(a)))
+
+/* from misc_util: flip the bytes from x */
+/* #define GS(x) (((unsigned char *)(x))[0] << 8 | ((unsigned char *)(x))[1]) */
+
+void *get_ipo_poin(ID *id, IpoCurve *icu, int *type)
+{
+ void *poin= 0;
+ Object *ob;
+ Material *ma;
+ MTex *mtex;
+ Ika *ika= 0;
+ Lamp *la;
+ Sequence *seq;
+ World *wo;
+ bAction *act;
+ bActionChannel *achan;
+ bPoseChannel *pchan;
+
+ *type= IPO_FLOAT;
+
+
+ if( GS(id->name)==ID_OB) {
+
+ ob= (Object *)id;
+
+ if(ob->type==OB_IKA) ika= ob->data;
+
+ switch(icu->adrcode) {
+ case OB_LOC_X:
+ poin= &(ob->loc[0]); break;
+ case OB_LOC_Y:
+ poin= &(ob->loc[1]); break;
+ case OB_LOC_Z:
+ poin= &(ob->loc[2]); break;
+ case OB_DLOC_X:
+ poin= &(ob->dloc[0]); break;
+ case OB_DLOC_Y:
+ poin= &(ob->dloc[1]); break;
+ case OB_DLOC_Z:
+ poin= &(ob->dloc[2]); break;
+
+ case OB_ROT_X:
+ poin= &(ob->rot[0]); *type= IPO_FLOAT_DEGR; break;
+ case OB_ROT_Y:
+ poin= &(ob->rot[1]); *type= IPO_FLOAT_DEGR; break;
+ case OB_ROT_Z:
+ poin= &(ob->rot[2]); *type= IPO_FLOAT_DEGR; break;
+ case OB_DROT_X:
+ poin= &(ob->drot[0]); *type= IPO_FLOAT_DEGR; break;
+ case OB_DROT_Y:
+ poin= &(ob->drot[1]); *type= IPO_FLOAT_DEGR; break;
+ case OB_DROT_Z:
+ poin= &(ob->drot[2]); *type= IPO_FLOAT_DEGR; break;
+
+ case OB_SIZE_X:
+ poin= &(ob->size[0]); break;
+ case OB_SIZE_Y:
+ poin= &(ob->size[1]); break;
+ case OB_SIZE_Z:
+ poin= &(ob->size[2]); break;
+ case OB_DSIZE_X:
+ poin= &(ob->dsize[0]); break;
+ case OB_DSIZE_Y:
+ poin= &(ob->dsize[1]); break;
+ case OB_DSIZE_Z:
+ poin= &(ob->dsize[2]); break;
+
+ case OB_LAY:
+ poin= &(ob->lay); *type= IPO_INT_BIT; break;
+
+ case OB_EFF_X: /* OB_COL_R */
+ if(ika) poin= &(ika->effg[0]);
+ else poin= &(ob->col[0]);
+ break;
+ case OB_EFF_Y: /* OB_COL_G */
+ if(ika) poin= &(ika->effg[1]);
+ else poin= &(ob->col[1]);
+ break;
+ case OB_EFF_Z: /* OB_COL_B */
+ if(ika) poin= &(ika->effg[2]);
+ else poin= &(ob->col[2]);
+ break;
+ case OB_COL_A:
+ poin= &(ob->col[3]);
+ break;
+ }
+ }
+ else if (GS(id->name)==ID_AC){
+ act= (bAction *)id;
+ achan = act->achan;
+ pchan = act->pchan;
+ if (!pchan || !achan)
+ return NULL;
+ switch (icu->adrcode){
+ case AC_QUAT_W:
+ poin= &(pchan->quat[0]); break;
+ case AC_QUAT_X:
+ poin= &(pchan->quat[1]); break;
+ case AC_QUAT_Y:
+ poin= &(pchan->quat[2]); break;
+ case AC_QUAT_Z:
+ poin= &(pchan->quat[3]); break;
+ case AC_LOC_X:
+ poin= &(pchan->loc[0]); break;
+ case AC_LOC_Y:
+ poin= &(pchan->loc[1]); break;
+ case AC_LOC_Z:
+ poin= &(pchan->loc[2]); break;
+ case AC_SIZE_X:
+ poin= &(pchan->size[0]); break;
+ case AC_SIZE_Y:
+ poin= &(pchan->size[1]); break;
+ case AC_SIZE_Z:
+ poin= &(pchan->size[2]); break;
+ };
+ }
+
+ else if( GS(id->name)==ID_MA) {
+
+ ma= (Material *)id;
+
+ switch(icu->adrcode) {
+ case MA_COL_R:
+ poin= &(ma->r); break;
+ case MA_COL_G:
+ poin= &(ma->g); break;
+ case MA_COL_B:
+ poin= &(ma->b); break;
+ case MA_SPEC_R:
+ poin= &(ma->specr); break;
+ case MA_SPEC_G:
+ poin= &(ma->specg); break;
+ case MA_SPEC_B:
+ poin= &(ma->specb); break;
+ case MA_MIR_R:
+ poin= &(ma->mirr); break;
+ case MA_MIR_G:
+ poin= &(ma->mirg); break;
+ case MA_MIR_B:
+ poin= &(ma->mirb); break;
+ case MA_REF:
+ poin= &(ma->ref); break;
+ case MA_ALPHA:
+ poin= &(ma->alpha); break;
+ case MA_EMIT:
+ poin= &(ma->emit); break;
+ case MA_AMB:
+ poin= &(ma->amb); break;
+ case MA_SPEC:
+ poin= &(ma->spec); break;
+ case MA_HARD:
+ poin= &(ma->har); *type= IPO_SHORT; break;
+ case MA_SPTR:
+ poin= &(ma->spectra); break;
+ case MA_ANG:
+ poin= &(ma->ang); break;
+ case MA_MODE:
+ poin= &(ma->mode); *type= IPO_INT_BIT; break;
+ case MA_HASIZE:
+ poin= &(ma->hasize); break;
+ }
+
+ if(poin==0) {
+ mtex= 0;
+ if(icu->adrcode & MA_MAP1) mtex= ma->mtex[0];
+ else if(icu->adrcode & MA_MAP2) mtex= ma->mtex[1];
+ else if(icu->adrcode & MA_MAP3) mtex= ma->mtex[2];
+ else if(icu->adrcode & MA_MAP4) mtex= ma->mtex[3];
+ else if(icu->adrcode & MA_MAP5) mtex= ma->mtex[4];
+ else if(icu->adrcode & MA_MAP6) mtex= ma->mtex[5];
+ else if(icu->adrcode & MA_MAP7) mtex= ma->mtex[6];
+ else if(icu->adrcode & MA_MAP8) mtex= ma->mtex[7];
+
+ if(mtex) {
+ poin= give_mtex_poin(mtex, icu->adrcode & (MA_MAP1-1) );
+ }
+ }
+ }
+ else if( GS(id->name)==ID_SEQ) {
+ seq= (Sequence *)id;
+
+ switch(icu->adrcode) {
+ case SEQ_FAC1:
+ poin= &(seq->facf0); break;
+ }
+ }
+ else if( GS(id->name)==ID_CU) {
+
+ poin= &(icu->curval);
+
+ }
+ else if( GS(id->name)==ID_KE) {
+
+ poin= &(icu->curval);
+
+ }
+ else if(GS(id->name)==ID_WO) {
+
+ wo= (World *)id;
+
+ switch(icu->adrcode) {
+ case WO_HOR_R:
+ poin= &(wo->horr); break;
+ case WO_HOR_G:
+ poin= &(wo->horg); break;
+ case WO_HOR_B:
+ poin= &(wo->horb); break;
+ case WO_ZEN_R:
+ poin= &(wo->zenr); break;
+ case WO_ZEN_G:
+ poin= &(wo->zeng); break;
+ case WO_ZEN_B:
+ poin= &(wo->zenb); break;
+
+ case WO_EXPOS:
+ poin= &(wo->exposure); break;
+
+ case WO_MISI:
+ poin= &(wo->misi); break;
+ case WO_MISTDI:
+ poin= &(wo->mistdist); break;
+ case WO_MISTSTA:
+ poin= &(wo->miststa); break;
+ case WO_MISTHI:
+ poin= &(wo->misthi); break;
+
+ case WO_STAR_R:
+ poin= &(wo->starr); break;
+ case WO_STAR_G:
+ poin= &(wo->starg); break;
+ case WO_STAR_B:
+ poin= &(wo->starb); break;
+
+ case WO_STARDIST:
+ poin= &(wo->stardist); break;
+ case WO_STARSIZE:
+ poin= &(wo->starsize); break;
+ }
+
+ if(poin==0) {
+ mtex= 0;
+ if(icu->adrcode & MA_MAP1) mtex= wo->mtex[0];
+ else if(icu->adrcode & MA_MAP2) mtex= wo->mtex[1];
+ else if(icu->adrcode & MA_MAP3) mtex= wo->mtex[2];
+ else if(icu->adrcode & MA_MAP4) mtex= wo->mtex[3];
+ else if(icu->adrcode & MA_MAP5) mtex= wo->mtex[4];
+ else if(icu->adrcode & MA_MAP6) mtex= wo->mtex[5];
+ else if(icu->adrcode & MA_MAP7) mtex= wo->mtex[6];
+ else if(icu->adrcode & MA_MAP8) mtex= wo->mtex[7];
+
+ if(mtex) {
+ poin= give_mtex_poin(mtex, icu->adrcode & (MA_MAP1-1) );
+ }
+ }
+ }
+ else if( GS(id->name)==ID_LA) {
+
+ la= (Lamp *)id;
+
+ switch(icu->adrcode) {
+ case LA_ENERGY:
+ poin= &(la->energy); break;
+ case LA_COL_R:
+ poin= &(la->r); break;
+ case LA_COL_G:
+ poin= &(la->g); break;
+ case LA_COL_B:
+ poin= &(la->b); break;
+ case LA_DIST:
+ poin= &(la->dist); break;
+ case LA_SPOTSI:
+ poin= &(la->spotsize); break;
+ case LA_SPOTBL:
+ poin= &(la->spotblend); break;
+ case LA_QUAD1:
+ poin= &(la->att1); break;
+ case LA_QUAD2:
+ poin= &(la->att2); break;
+ case LA_HALOINT:
+ poin= &(la->haint); break;
+ }
+
+ if(poin==0) {
+ mtex= 0;
+ if(icu->adrcode & MA_MAP1) mtex= la->mtex[0];
+ else if(icu->adrcode & MA_MAP2) mtex= la->mtex[1];
+ else if(icu->adrcode & MA_MAP3) mtex= la->mtex[2];
+ else if(icu->adrcode & MA_MAP4) mtex= la->mtex[3];
+ else if(icu->adrcode & MA_MAP5) mtex= la->mtex[4];
+ else if(icu->adrcode & MA_MAP6) mtex= la->mtex[5];
+ else if(icu->adrcode & MA_MAP7) mtex= la->mtex[6];
+ else if(icu->adrcode & MA_MAP8) mtex= la->mtex[7];
+
+ if(mtex) {
+ poin= give_mtex_poin(mtex, icu->adrcode & (MA_MAP1-1) );
+ }
+ }
+ }
+ else if(GS(id->name)==ID_CA) {
+ Camera *ca= (Camera *)id;
+
+ switch(icu->adrcode) {
+ case CAM_LENS:
+ poin= &(ca->lens); break;
+ case CAM_STA:
+ poin= &(ca->clipsta); break;
+ case CAM_END:
+ poin= &(ca->clipend); break;
+ }
+ }
+ else if(GS(id->name)==ID_SO) {
+ bSound *snd= (bSound *)id;
+
+ switch(icu->adrcode) {
+ case SND_VOLUME:
+ poin= &(snd->volume); break;
+ case SND_PITCH:
+ poin= &(snd->pitch); break;
+ case SND_PANNING:
+ poin= &(snd->panning); break;
+ case SND_ATTEN:
+ poin= &(snd->attenuation); break;
+ }
+ }
+
+ return poin;
+}
+
+void set_icu_vars(IpoCurve *icu)
+{
+
+ icu->ymin= icu->ymax= 0.0;
+ icu->ipo= IPO_BEZ;
+
+ if(icu->blocktype==ID_OB) {
+
+ if(icu->adrcode==OB_LAY) {
+ icu->ipo= IPO_CONST;
+ icu->vartype= IPO_BITS;
+ }
+
+ }
+ else if(icu->blocktype==ID_MA) {
+
+ if(icu->adrcode < MA_MAP1) {
+ switch(icu->adrcode) {
+ case MA_HASIZE:
+ icu->ymax= 10000.0; break;
+ case MA_HARD:
+ icu->ymax= 128.0; break;
+ case MA_SPEC:
+ icu->ymax= 2.0; break;
+ case MA_MODE:
+ icu->ipo= IPO_CONST;
+ icu->vartype= IPO_BITS;
+ break;
+
+ default:
+ icu->ymax= 1.0;
+ break;
+ }
+ }
+ else {
+ switch(icu->adrcode & (MA_MAP1-1)) {
+ case MAP_OFS_X:
+ case MAP_OFS_Y:
+ case MAP_OFS_Z:
+ case MAP_SIZE_X:
+ case MAP_SIZE_Y:
+ case MAP_SIZE_Z:
+ icu->ymax= 1000.0;
+ icu->ymin= -1000.0;
+
+ break;
+ case MAP_R:
+ case MAP_G:
+ case MAP_B:
+ case MAP_DVAR:
+ case MAP_COLF:
+ case MAP_VARF:
+ icu->ymax= 1.0;
+ break;
+ case MAP_NORF:
+ icu->ymax= 5.0;
+ break;
+ }
+ }
+ }
+ else if(icu->blocktype==ID_SEQ) {
+
+ icu->ymax= 1.0;
+
+ }
+ else if(icu->blocktype==ID_CU) {
+
+ icu->ymax= 1.0;
+
+ }
+ else if(icu->blocktype==ID_WO) {
+
+ if(icu->adrcode < MA_MAP1) {
+ switch(icu->adrcode) {
+ case WO_EXPOS:
+ icu->ymax= 5.0; break;
+ case WO_MISTDI:
+ case WO_MISTSTA:
+ case WO_MISTHI:
+ case WO_STARDIST:
+ case WO_STARSIZE:
+ break;
+
+ default:
+ icu->ymax= 1.0;
+ break;
+ }
+ }
+ else {
+ switch(icu->adrcode & (MA_MAP1-1)) {
+ case MAP_OFS_X:
+ case MAP_OFS_Y:
+ case MAP_OFS_Z:
+ case MAP_SIZE_X:
+ case MAP_SIZE_Y:
+ case MAP_SIZE_Z:
+ icu->ymax= 100.0;
+ icu->ymin= -100.0;
+
+ break;
+ case MAP_R:
+ case MAP_G:
+ case MAP_B:
+ case MAP_DVAR:
+ case MAP_COLF:
+ case MAP_NORF:
+ case MAP_VARF:
+ icu->ymax= 1.0;
+ }
+ }
+ }
+ else if(icu->blocktype==ID_LA) {
+ if(icu->adrcode < MA_MAP1) {
+ switch(icu->adrcode) {
+ case LA_ENERGY:
+ case LA_DIST:
+ break;
+
+ case LA_COL_R:
+ case LA_COL_G:
+ case LA_COL_B:
+ case LA_SPOTBL:
+ case LA_QUAD1:
+ case LA_QUAD2:
+ icu->ymax= 1.0; break;
+ case LA_SPOTSI:
+ icu->ymax= 180.0; break;
+ case LA_HALOINT:
+ icu->ymax= 5.0; break;
+ }
+ }
+ else {
+ switch(icu->adrcode & (MA_MAP1-1)) {
+ case MAP_OFS_X:
+ case MAP_OFS_Y:
+ case MAP_OFS_Z:
+ case MAP_SIZE_X:
+ case MAP_SIZE_Y:
+ case MAP_SIZE_Z:
+ icu->ymax= 100.0;
+ icu->ymin= -100.0;
+ break;
+ case MAP_R:
+ case MAP_G:
+ case MAP_B:
+ case MAP_DVAR:
+ case MAP_COLF:
+ case MAP_NORF:
+ case MAP_VARF:
+ icu->ymax= 1.0;
+ }
+ }
+ }
+ else if(icu->blocktype==ID_CA) {
+
+ switch(icu->adrcode) {
+ case CAM_LENS:
+ icu->ymin= 5.0;
+ icu->ymax= 1000.0; break;
+ case CAM_STA:
+ icu->ymin= 0.001f;
+ break;
+ case CAM_END:
+ icu->ymin= 0.1f;
+ }
+ }
+ else if(icu->blocktype==ID_SO) {
+
+ switch(icu->adrcode) {
+ case SND_VOLUME:
+ icu->ymin= 0.0;
+ icu->ymax= 1.0;
+ break;
+ case SND_PITCH:
+ icu->ymin= -12.0;
+ icu->ymin= 12.0;
+ break;
+ case SND_PANNING:
+ icu->ymin= 0.0;
+ icu->ymax= 1.0;
+ break;
+ case SND_ATTEN:
+ icu->ymin= 0.0;
+ icu->ymin= 1.0;
+ break;
+ }
+ }
+}
+
+
+void execute_ipo(ID *id, Ipo *ipo)
+{
+ IpoCurve *icu;
+ void *poin;
+ int type;
+
+ if(ipo==0) return;
+
+ icu= ipo->curve.first;
+ while(icu) {
+ poin= get_ipo_poin(id, icu, &type);
+ if(poin) write_ipo_poin(poin, type, icu->curval);
+ icu= icu->next;
+ }
+}
+
+/* exception: it does calc for objects...
+ * now find out why this routine was used anyway!
+ */
+void do_ipo_nocalc(Ipo *ipo)
+{
+ Object *ob;
+ Material *ma;
+ World *wo;
+ Lamp *la;
+ Camera *ca;
+ bSound *snd;
+
+ if(ipo==0) return;
+
+ switch(ipo->blocktype) {
+ case ID_OB:
+ ob= G.main->object.first;
+ while(ob) {
+ if(ob->ipo==ipo) {
+ do_ob_ipo(ob);
+ /* execute_ipo((ID *)ob, ipo); */
+ }
+ ob= ob->id.next;
+ }
+ break;
+ case ID_MA:
+ ma= G.main->mat.first;
+ while(ma) {
+ if(ma->ipo==ipo) execute_ipo((ID *)ma, ipo);
+ ma= ma->id.next;
+ }
+ break;
+ case ID_WO:
+ wo= G.main->world.first;
+ while(wo) {
+ if(wo->ipo==ipo) execute_ipo((ID *)wo, ipo);
+ wo= wo->id.next;
+ }
+ break;
+ case ID_LA:
+ la= G.main->lamp.first;
+ while(la) {
+ if(la->ipo==ipo) execute_ipo((ID *)la, ipo);
+ la= la->id.next;
+ }
+ break;
+ case ID_CA:
+ ca= G.main->camera.first;
+ while(ca) {
+ if(ca->ipo==ipo) execute_ipo((ID *)ca, ipo);
+ ca= ca->id.next;
+ }
+ break;
+ case ID_SO:
+ snd= G.main->sound.first;
+ while(snd) {
+ if(snd->ipo==ipo) execute_ipo((ID *)snd, ipo);
+ snd= snd->id.next;
+ }
+ break;
+ }
+}
+
+void do_ipo(Ipo *ipo)
+{
+ if(ipo) {
+ float ctime= frame_to_float(G.scene->r.cfra);
+ calc_ipo(ipo, ctime);
+
+ do_ipo_nocalc(ipo);
+ }
+}
+
+
+
+void do_mat_ipo(Material *ma)
+{
+ float ctime;
+
+ if(ma==0 || ma->ipo==0) return;
+
+ ctime= frame_to_float(G.scene->r.cfra);
+ /* if(ob->ipoflag & OB_OFFS_OB) ctime-= ob->sf; */
+
+ calc_ipo(ma->ipo, ctime);
+
+ execute_ipo((ID *)ma, ma->ipo);
+}
+
+void do_ob_ipo(Object *ob)
+{
+ float ctime;
+ unsigned int lay;
+
+ if(ob->ipo==0) return;
+
+ /* hier NIET ob->ctime zetten: bijv bij parent in onzichtb. layer */
+
+ ctime= bsystem_time(ob, 0, (float) G.scene->r.cfra, 0.0);
+
+ calc_ipo(ob->ipo, ctime);
+
+ /* Patch: de localview onthouden */
+ lay= ob->lay & 0xFF000000;
+
+ execute_ipo((ID *)ob, ob->ipo);
+
+ ob->lay |= lay;
+ if(ob->id.name[2]=='S' && ob->id.name[3]=='C' && ob->id.name[4]=='E') {
+ if(strcmp(G.scene->id.name+2, ob->id.name+6)==0) {
+ G.scene->lay= ob->lay;
+ copy_view3d_lock(0);
+ /* hier geen REDRAW: gaat rondzingen! */
+ }
+ }
+}
+
+void do_seq_ipo(Sequence *seq)
+{
+ float ctime, div;
+
+ /* seq_ipo gaat iets anders: beide fields direkt berekenen */
+
+ if(seq->ipo) {
+ ctime= frame_to_float(G.scene->r.cfra - seq->startdisp);
+ div= (seq->enddisp - seq->startdisp)/100.0f;
+ if(div==0) return;
+
+ /* tweede field */
+ calc_ipo(seq->ipo, (ctime+0.5f)/div);
+ execute_ipo((ID *)seq, seq->ipo);
+ seq->facf1= seq->facf0;
+
+ /* eerste field */
+ calc_ipo(seq->ipo, ctime/div);
+ execute_ipo((ID *)seq, seq->ipo);
+
+ }
+ else seq->facf1= seq->facf0= 1.0f;
+}
+
+int has_ipo_code(Ipo *ipo, int code)
+{
+ IpoCurve *icu;
+
+ if(ipo==0) return 0;
+
+ icu= ipo->curve.first;
+ while(icu) {
+
+ if(icu->adrcode==code) return 1;
+
+ icu= icu->next;
+ }
+ return 0;
+}
+
+void do_all_ipos()
+{
+ Base *base;
+ Material *ma;
+ World *wo;
+ Ipo *ipo;
+ Lamp *la;
+ Camera *ca;
+ bSound *snd;
+ float ctime;
+ int set;
+
+ ctime= frame_to_float(G.scene->r.cfra);
+
+ ipo= G.main->ipo.first;
+ while(ipo) {
+ if(ipo->id.us && ipo->blocktype!=ID_OB) {
+ calc_ipo(ipo, ctime);
+ }
+ ipo= ipo->id.next;
+ }
+
+ /* NEW: current scene ob ipo's */
+ base= G.scene->base.first;
+ set= 0;
+ while(base) {
+
+ /* Do object ipos */
+ do_constraint_channels(&base->object->constraints, &base->object->constraintChannels, ctime);
+
+ if(base->object->ipo) {
+ /* per object ipo ook de calc_ipo doen: ivm mogelijke timeoffs */
+ do_ob_ipo(base->object);
+ if(base->object->type==OB_MBALL) where_is_object(base->object);
+ }
+ base= base->next;
+
+ if(base==0 && set==0 && G.scene->set) {
+ set= 1;
+ base= G.scene->set->base.first;
+ }
+ }
+
+ ma= G.main->mat.first;
+ while(ma) {
+ if(ma->ipo) execute_ipo((ID *)ma, ma->ipo);
+ ma= ma->id.next;
+ }
+
+ wo= G.main->world.first;
+ while(wo) {
+ if(wo->ipo) execute_ipo((ID *)wo, wo->ipo);
+ wo= wo->id.next;
+ }
+
+ la= G.main->lamp.first;
+ while(la) {
+ if(la->ipo) execute_ipo((ID *)la, la->ipo);
+ la= la->id.next;
+ }
+
+ ca= G.main->camera.first;
+ while(ca) {
+ if(ca->ipo) execute_ipo((ID *)ca, ca->ipo);
+ ca= ca->id.next;
+ }
+
+ snd= G.main->sound.first;
+ while(snd) {
+ if(snd->ipo) execute_ipo((ID *)snd, snd->ipo);
+ snd= snd->id.next;
+ }
+
+ /* voor het geval dat... LET OP: 2x */
+ base= G.scene->base.first;
+ while(base) {
+
+ /* alleen layer updaten als ipo */
+ if( has_ipo_code(base->object->ipo, OB_LAY) ) {
+ base->lay= base->object->lay;
+ }
+
+ base= base->next;
+ }
+
+ /* voor het geval dat...*/
+ if(G.scene->set) {
+ base= G.scene->set->base.first;
+ while(base) {
+
+ /* alleen layer updaten als ipo */
+ if( has_ipo_code(base->object->ipo, OB_LAY) ) {
+ base->lay= base->object->lay;
+ }
+
+ base= base->next;
+ }
+ }
+}
+
+
+int calc_ipo_spec(Ipo *ipo, int adrcode, float *ctime)
+{
+ IpoCurve *icu;
+
+ if(ipo==0) return 0;
+
+ icu= ipo->curve.first;
+ while(icu) {
+ if(icu->adrcode == adrcode) {
+ if(icu->flag & IPO_LOCK);
+ else calc_icu(icu, *ctime);
+
+ *ctime= icu->curval;
+ return 1;
+ }
+ icu= icu->next;
+ }
+
+ return 0;
+}
+
+
+/* ************************** */
+
+void clear_delta_obipo(Ipo *ipo)
+{
+ Object *ob;
+
+ if(ipo==0) return;
+
+ ob= G.main->object.first;
+ while(ob) {
+ if(ob->id.lib==0) {
+ if(ob->ipo==ipo) {
+ memset(&ob->dloc, 0, 12);
+ memset(&ob->drot, 0, 12);
+ memset(&ob->dsize, 0, 12);
+ }
+ }
+ ob= ob->id.next;
+ }
+}
+
+void add_to_cfra_elem(ListBase *lb, BezTriple *bezt)
+{
+ CfraElem *ce, *cen;
+
+ ce= lb->first;
+ while(ce) {
+
+ if( ce->cfra==bezt->vec[1][0] ) {
+ /* doen ivm dubbele keys */
+ if(bezt->f2 & 1) ce->sel= bezt->f2;
+ return;
+ }
+ else if(ce->cfra > bezt->vec[1][0]) break;
+
+ ce= ce->next;
+ }
+
+ cen= MEM_callocN(sizeof(CfraElem), "add_to_cfra_elem");
+ if(ce) BLI_insertlinkbefore(lb, ce, cen);
+ else BLI_addtail(lb, cen);
+
+ cen->cfra= bezt->vec[1][0];
+ cen->sel= bezt->f2;
+}
+
+
+
+void make_cfra_list(Ipo *ipo, ListBase *elems)
+{
+ IpoCurve *icu;
+ CfraElem *ce;
+ BezTriple *bezt;
+ int a;
+
+ if(ipo->blocktype==ID_OB) {
+ icu= ipo->curve.first;
+ while(icu) {
+ if(icu->flag & IPO_VISIBLE) {
+ switch(icu->adrcode) {
+ case OB_DLOC_X:
+ case OB_DLOC_Y:
+ case OB_DLOC_Z:
+ case OB_DROT_X:
+ case OB_DROT_Y:
+ case OB_DROT_Z:
+ case OB_DSIZE_X:
+ case OB_DSIZE_Y:
+ case OB_DSIZE_Z:
+
+ case OB_LOC_X:
+ case OB_LOC_Y:
+ case OB_LOC_Z:
+ case OB_ROT_X:
+ case OB_ROT_Y:
+ case OB_ROT_Z:
+ case OB_SIZE_X:
+ case OB_SIZE_Y:
+ case OB_SIZE_Z:
+ bezt= icu->bezt;
+ if(bezt) {
+ a= icu->totvert;
+ while(a--) {
+ add_to_cfra_elem(elems, bezt);
+ bezt++;
+ }
+ }
+ break;
+ }
+ }
+ icu= icu->next;
+ }
+ }
+ if(ipo->showkey==0) {
+ /* alle keys deselecteren */
+ ce= elems->first;
+ while(ce) {
+ ce->sel= 0;
+ ce= ce->next;
+ }
+ }
+}
+
+/* *********************** INTERFACE FOR KETSJI ********** */
+
+
+int IPO_GetChannels(Ipo *ipo, IPO_Channel *channels)
+{
+ /* channels is max 32 items, allocated by calling function */
+
+ IpoCurve *icu;
+ int total=0;
+
+ if(ipo==NULL) return 0;
+
+ icu= ipo->curve.first;
+ while(icu) {
+
+ channels[total]= icu->adrcode;
+ total++;
+ if(total>31) break;
+
+ icu= icu->next;
+ }
+
+ return total;
+}
+
+
+
+/* Get the float value for channel 'channel' at time 'ctime' */
+
+float IPO_GetFloatValue(Ipo *ipo, IPO_Channel channel, float ctime)
+{
+ if(ipo==NULL) return 0;
+
+ calc_ipo_spec(ipo, channel, &ctime);
+
+ if (OB_ROT_X <= channel && channel <= OB_DROT_Z) {
+ ctime *= (float)(M_PI_2/9.0);
+ }
+
+ return ctime;
+}
+
+
+void test_ipo_get()
+{
+ Object *ob;
+ int tot;
+ IPO_Channel chan[32];
+
+ ob = (G.scene->basact ? G.scene->basact->object : 0);
+
+ if(ob==NULL) return;
+ if(ob->ipo==NULL) return;
+
+ tot= IPO_GetChannels(ob->ipo, chan);
+ printf("tot %d \n", tot);
+
+ while(tot--) {
+ printf("var1 %d \n", chan[tot]);
+ }
+
+ printf("var1 %f \n", IPO_GetFloatValue(ob->ipo, chan[0], 10.0));
+}