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test/source/blender/blenkernel/intern/texture.c
Brecht Van Lommel 0b49dc77de 2.5: Bump Mapping 
Patch by Alfredo de Greef. Considerably improves the quality of bump
mapping, and texture filtering for displacement and warp too. Mainly
this is achieved by getting the texture derivatives just right in
various cases, many thanks to Alfredo for figuring this one out, works
great.


This is enabled by default now, but disabled still for existing
textures to preserve backwards compatibility. Can be enabled with
the "New Bump" option in the material texture slot in the outliner.

Also, I made the range for the normal factor a bit smaller since this
gives stronger effects, but note that you can still type in larger
values than the slider allows.
2009-07-21 13:46:49 +00:00

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/* texture.c
*
*
* $Id$
*
* ***** 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.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "PIL_dynlib.h"
#include "MTC_matrixops.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "BLI_rand.h"
#include "DNA_texture_types.h"
#include "DNA_key_types.h"
#include "DNA_object_types.h"
#include "DNA_lamp_types.h"
#include "DNA_material_types.h"
#include "DNA_image_types.h"
#include "DNA_world_types.h"
#include "DNA_brush_types.h"
#include "DNA_node_types.h"
#include "DNA_color_types.h"
#include "DNA_scene_types.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "BKE_plugin_types.h"
#include "BKE_utildefines.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_library.h"
#include "BKE_image.h"
#include "BKE_material.h"
#include "BKE_texture.h"
#include "BKE_key.h"
#include "BKE_icons.h"
#include "BKE_brush.h"
#include "BKE_node.h"
#include "BKE_animsys.h"
/* ------------------------------------------------------------------------- */
/* All support for plugin textures: */
int test_dlerr(const char *name, const char *symbol)
{
char *err;
err= PIL_dynlib_get_error_as_string(NULL);
if(err) {
printf("var1: %s, var2: %s, var3: %s\n", name, symbol, err);
return 1;
}
return 0;
}
/* ------------------------------------------------------------------------- */
void open_plugin_tex(PluginTex *pit)
{
int (*version)(void);
/* init all the happy variables */
pit->doit= 0;
pit->pname= 0;
pit->stnames= 0;
pit->varstr= 0;
pit->result= 0;
pit->cfra= 0;
pit->version= 0;
pit->instance_init= 0;
/* clear the error list */
PIL_dynlib_get_error_as_string(NULL);
/* no PIL_dynlib_close! multiple opened plugins... */
/* if(pit->handle) PIL_dynlib_close(pit->handle); */
/* pit->handle= 0; */
/* open the needed object */
pit->handle= PIL_dynlib_open(pit->name);
if(test_dlerr(pit->name, pit->name)) return;
if (pit->handle != 0) {
/* find the address of the version function */
version= (int (*)(void)) PIL_dynlib_find_symbol(pit->handle, "plugin_tex_getversion");
if (test_dlerr(pit->name, "plugin_tex_getversion")) return;
if (version != 0) {
pit->version= version();
if( pit->version >= 2 && pit->version <=6) {
int (*info_func)(PluginInfo *);
PluginInfo *info= (PluginInfo*) MEM_mallocN(sizeof(PluginInfo), "plugin_info");
info_func= (int (*)(PluginInfo *))PIL_dynlib_find_symbol(pit->handle, "plugin_getinfo");
if (!test_dlerr(pit->name, "plugin_getinfo")) {
info->instance_init = NULL;
info_func(info);
pit->doit= (int(*)(void)) info->tex_doit;
pit->callback= (void(*)(unsigned short)) info->callback;
pit->stypes= info->stypes;
pit->vars= info->nvars;
pit->pname= info->name;
pit->stnames= info->snames;
pit->varstr= info->varstr;
pit->result= info->result;
pit->cfra= info->cfra;
pit->instance_init = info->instance_init;
if (info->init) info->init();
}
MEM_freeN(info);
} else {
printf ("Plugin returned unrecognized version number\n");
return;
}
}
}
}
/* ------------------------------------------------------------------------- */
/* very badlevel define to bypass linking with BIF_interface.h */
#define INT 96
#define FLO 128
PluginTex *add_plugin_tex(char *str)
{
PluginTex *pit;
VarStruct *varstr;
int a;
pit= MEM_callocN(sizeof(PluginTex), "plugintex");
strcpy(pit->name, str);
open_plugin_tex(pit);
if(pit->doit==0) {
if(pit->handle==0); //XXX error("no plugin: %s", str);
else ; //XXX error("in plugin: %s", str);
MEM_freeN(pit);
return NULL;
}
varstr= pit->varstr;
for(a=0; a<pit->vars; a++, varstr++) {
if( (varstr->type & FLO)==FLO)
pit->data[a]= varstr->def;
else if( (varstr->type & INT)==INT)
*((int *)(pit->data+a))= (int) varstr->def;
}
if (pit->instance_init)
pit->instance_init((void *) pit->data);
return pit;
}
/* ------------------------------------------------------------------------- */
void free_plugin_tex(PluginTex *pit)
{
if(pit==0) return;
/* no PIL_dynlib_close: same plugin can be opened multiple times, 1 handle */
MEM_freeN(pit);
}
/* ****************** Mapping ******************* */
TexMapping *add_mapping(void)
{
TexMapping *texmap= MEM_callocN(sizeof(TexMapping), "Tex map");
texmap->size[0]= texmap->size[1]= texmap->size[2]= 1.0f;
texmap->max[0]= texmap->max[1]= texmap->max[2]= 1.0f;
Mat4One(texmap->mat);
return texmap;
}
void init_mapping(TexMapping *texmap)
{
float eul[3], smat[3][3], rmat[3][3], mat[3][3];
SizeToMat3(texmap->size, smat);
eul[0]= (M_PI/180.0f)*texmap->rot[0];
eul[1]= (M_PI/180.0f)*texmap->rot[1];
eul[2]= (M_PI/180.0f)*texmap->rot[2];
EulToMat3(eul, rmat);
Mat3MulMat3(mat, rmat, smat);
Mat4CpyMat3(texmap->mat, mat);
VECCOPY(texmap->mat[3], texmap->loc);
}
/* ****************** COLORBAND ******************* */
void init_colorband(ColorBand *coba, int rangetype)
{
int a;
coba->data[0].pos= 0.0;
coba->data[1].pos= 1.0;
if(rangetype==0) {
coba->data[0].r= 0.0;
coba->data[0].g= 0.0;
coba->data[0].b= 0.0;
coba->data[0].a= 0.0;
coba->data[1].r= 0.0;
coba->data[1].g= 1.0;
coba->data[1].b= 1.0;
coba->data[1].a= 1.0;
}
else {
coba->data[0].r= 0.0;
coba->data[0].g= 0.0;
coba->data[0].b= 0.0;
coba->data[0].a= 1.0;
coba->data[1].r= 1.0;
coba->data[1].g= 1.0;
coba->data[1].b= 1.0;
coba->data[1].a= 1.0;
}
for(a=2; a<MAXCOLORBAND; a++) {
coba->data[a].r= 0.5;
coba->data[a].g= 0.5;
coba->data[a].b= 0.5;
coba->data[a].a= 1.0;
coba->data[a].pos= 0.5;
}
coba->tot= 2;
}
ColorBand *add_colorband(int rangetype)
{
ColorBand *coba;
coba= MEM_callocN( sizeof(ColorBand), "colorband");
init_colorband(coba, rangetype);
return coba;
}
/* ------------------------------------------------------------------------- */
int do_colorband(ColorBand *coba, float in, float out[4])
{
CBData *cbd1, *cbd2, *cbd0, *cbd3;
float fac, mfac, t[4];
int a;
if(coba==NULL || coba->tot==0) return 0;
cbd1= coba->data;
if(coba->tot==1) {
out[0]= cbd1->r;
out[1]= cbd1->g;
out[2]= cbd1->b;
out[3]= cbd1->a;
}
else {
if(in <= cbd1->pos && coba->ipotype<2) {
out[0]= cbd1->r;
out[1]= cbd1->g;
out[2]= cbd1->b;
out[3]= cbd1->a;
}
else {
CBData left, right;
/* we're looking for first pos > in */
for(a=0; a<coba->tot; a++, cbd1++) if(cbd1->pos > in) break;
if(a==coba->tot) {
cbd2= cbd1-1;
right= *cbd2;
right.pos= 1.0f;
cbd1= &right;
}
else if(a==0) {
left= *cbd1;
left.pos= 0.0f;
cbd2= &left;
}
else cbd2= cbd1-1;
if(in >= cbd1->pos && coba->ipotype<2) {
out[0]= cbd1->r;
out[1]= cbd1->g;
out[2]= cbd1->b;
out[3]= cbd1->a;
}
else {
if(cbd2->pos!=cbd1->pos)
fac= (in-cbd1->pos)/(cbd2->pos-cbd1->pos);
else
fac= 0.0f;
if (coba->ipotype==4) {
/* constant */
out[0]= cbd2->r;
out[1]= cbd2->g;
out[2]= cbd2->b;
out[3]= cbd2->a;
return 1;
}
if(coba->ipotype>=2) {
/* ipo from right to left: 3 2 1 0 */
if(a>=coba->tot-1) cbd0= cbd1;
else cbd0= cbd1+1;
if(a<2) cbd3= cbd2;
else cbd3= cbd2-1;
CLAMP(fac, 0.0f, 1.0f);
if(coba->ipotype==3)
set_four_ipo(fac, t, KEY_CARDINAL);
else
set_four_ipo(fac, t, KEY_BSPLINE);
out[0]= t[3]*cbd3->r +t[2]*cbd2->r +t[1]*cbd1->r +t[0]*cbd0->r;
out[1]= t[3]*cbd3->g +t[2]*cbd2->g +t[1]*cbd1->g +t[0]*cbd0->g;
out[2]= t[3]*cbd3->b +t[2]*cbd2->b +t[1]*cbd1->b +t[0]*cbd0->b;
out[3]= t[3]*cbd3->a +t[2]*cbd2->a +t[1]*cbd1->a +t[0]*cbd0->a;
CLAMP(out[0], 0.0, 1.0);
CLAMP(out[1], 0.0, 1.0);
CLAMP(out[2], 0.0, 1.0);
CLAMP(out[3], 0.0, 1.0);
}
else {
if(coba->ipotype==1) { /* EASE */
mfac= fac*fac;
fac= 3.0f*mfac-2.0f*mfac*fac;
}
mfac= 1.0f-fac;
out[0]= mfac*cbd1->r + fac*cbd2->r;
out[1]= mfac*cbd1->g + fac*cbd2->g;
out[2]= mfac*cbd1->b + fac*cbd2->b;
out[3]= mfac*cbd1->a + fac*cbd2->a;
}
}
}
}
return 1; /* OK */
}
void colorband_table_RGBA(ColorBand *coba, float **array, int *size)
{
int a;
*size = CM_TABLE+1;
*array = MEM_callocN(sizeof(float)*(*size)*4, "ColorBand");
for(a=0; a<*size; a++)
do_colorband(coba, (float)a/(float)CM_TABLE, &(*array)[a*4]);
}
/* ******************* TEX ************************ */
void free_texture(Tex *tex)
{
free_plugin_tex(tex->plugin);
if(tex->coba) MEM_freeN(tex->coba);
if(tex->env) BKE_free_envmap(tex->env);
BKE_previewimg_free(&tex->preview);
BKE_icon_delete((struct ID*)tex);
tex->id.icon_id = 0;
if(tex->nodetree) {
ntreeFreeTree(tex->nodetree);
MEM_freeN(tex->nodetree);
}
}
/* ------------------------------------------------------------------------- */
void default_tex(Tex *tex)
{
PluginTex *pit;
VarStruct *varstr;
int a;
tex->type= TEX_CLOUDS;
tex->stype= 0;
tex->flag= TEX_CHECKER_ODD;
tex->imaflag= TEX_INTERPOL|TEX_MIPMAP|TEX_USEALPHA;
tex->extend= TEX_REPEAT;
tex->cropxmin= tex->cropymin= 0.0;
tex->cropxmax= tex->cropymax= 1.0;
tex->texfilter = TXF_DEFAULT;
tex->afmax = 8;
tex->xrepeat= tex->yrepeat= 1;
tex->fie_ima= 2;
tex->sfra= 1;
tex->frames= 0;
tex->offset= 0;
tex->noisesize= 0.25;
tex->noisedepth= 2;
tex->turbul= 5.0;
tex->nabla= 0.025; // also in do_versions
tex->bright= 1.0;
tex->contrast= 1.0;
tex->filtersize= 1.0;
tex->rfac= 1.0;
tex->gfac= 1.0;
tex->bfac= 1.0;
/* newnoise: init. */
tex->noisebasis = 0;
tex->noisebasis2 = 0;
/* musgrave */
tex->mg_H = 1.0;
tex->mg_lacunarity = 2.0;
tex->mg_octaves = 2.0;
tex->mg_offset = 1.0;
tex->mg_gain = 1.0;
tex->ns_outscale = 1.0;
/* distnoise */
tex->dist_amount = 1.0;
/* voronoi */
tex->vn_w1 = 1.0;
tex->vn_w2 = tex->vn_w3 = tex->vn_w4 = 0.0;
tex->vn_mexp = 2.5;
tex->vn_distm = 0;
tex->vn_coltype = 0;
if (tex->env) {
tex->env->stype=ENV_STATIC;
tex->env->clipsta=0.1;
tex->env->clipend=100;
tex->env->cuberes=100;
tex->env->depth=0;
}
pit = tex->plugin;
if (pit) {
varstr= pit->varstr;
if(varstr) {
for(a=0; a<pit->vars; a++, varstr++) {
pit->data[a] = varstr->def;
}
}
}
tex->iuser.fie_ima= 2;
tex->iuser.ok= 1;
tex->iuser.frames= 100;
tex->preview = NULL;
}
/* ------------------------------------------------------------------------- */
Tex *add_texture(char *name)
{
Tex *tex;
tex= alloc_libblock(&G.main->tex, ID_TE, name);
default_tex(tex);
return tex;
}
/* ------------------------------------------------------------------------- */
void default_mtex(MTex *mtex)
{
mtex->texco= TEXCO_ORCO;
mtex->mapto= MAP_COL;
mtex->object= 0;
mtex->projx= PROJ_X;
mtex->projy= PROJ_Y;
mtex->projz= PROJ_Z;
mtex->mapping= MTEX_FLAT;
mtex->ofs[0]= 0.0;
mtex->ofs[1]= 0.0;
mtex->ofs[2]= 0.0;
mtex->size[0]= 1.0;
mtex->size[1]= 1.0;
mtex->size[2]= 1.0;
mtex->tex= 0;
mtex->texflag= MTEX_NEW_BUMP;
mtex->colormodel= 0;
mtex->r= 1.0;
mtex->g= 0.0;
mtex->b= 1.0;
mtex->k= 1.0;
mtex->def_var= 1.0;
mtex->blendtype= MTEX_BLEND;
mtex->colfac= 1.0;
mtex->norfac= 1.0;
mtex->varfac= 1.0;
mtex->dispfac=0.2;
mtex->normapspace= MTEX_NSPACE_TANGENT;
}
/* ------------------------------------------------------------------------- */
MTex *add_mtex()
{
MTex *mtex;
mtex= MEM_callocN(sizeof(MTex), "add_mtex");
default_mtex(mtex);
return mtex;
}
/* ------------------------------------------------------------------------- */
Tex *copy_texture(Tex *tex)
{
Tex *texn;
texn= copy_libblock(tex);
if(texn->type==TEX_IMAGE) id_us_plus((ID *)texn->ima);
else texn->ima= 0;
#if 0 // XXX old animation system
id_us_plus((ID *)texn->ipo);
#endif // XXX old animation system
if(texn->plugin) {
texn->plugin= MEM_dupallocN(texn->plugin);
open_plugin_tex(texn->plugin);
}
if(texn->coba) texn->coba= MEM_dupallocN(texn->coba);
if(texn->env) texn->env= BKE_copy_envmap(texn->env);
if(tex->preview) texn->preview = BKE_previewimg_copy(tex->preview);
if(tex->nodetree) {
ntreeEndExecTree(tex->nodetree);
texn->nodetree= ntreeCopyTree(tex->nodetree, 0); /* 0 == full new tree */
}
return texn;
}
/* ------------------------------------------------------------------------- */
void make_local_texture(Tex *tex)
{
Tex *texn;
Material *ma;
World *wrld;
Lamp *la;
Brush *br;
int a, local=0, lib=0;
/* - only lib users: do nothing
* - only local users: set flag
* - mixed: make copy
*/
if(tex->id.lib==0) return;
/* special case: ima always local immediately */
if(tex->ima) {
tex->ima->id.lib= 0;
tex->ima->id.flag= LIB_LOCAL;
new_id(0, (ID *)tex->ima, 0);
}
if(tex->id.us==1) {
tex->id.lib= 0;
tex->id.flag= LIB_LOCAL;
new_id(0, (ID *)tex, 0);
return;
}
ma= G.main->mat.first;
while(ma) {
for(a=0; a<MAX_MTEX; a++) {
if(ma->mtex[a] && ma->mtex[a]->tex==tex) {
if(ma->id.lib) lib= 1;
else local= 1;
}
}
ma= ma->id.next;
}
la= G.main->lamp.first;
while(la) {
for(a=0; a<MAX_MTEX; a++) {
if(la->mtex[a] && la->mtex[a]->tex==tex) {
if(la->id.lib) lib= 1;
else local= 1;
}
}
la= la->id.next;
}
wrld= G.main->world.first;
while(wrld) {
for(a=0; a<MAX_MTEX; a++) {
if(wrld->mtex[a] && wrld->mtex[a]->tex==tex) {
if(wrld->id.lib) lib= 1;
else local= 1;
}
}
wrld= wrld->id.next;
}
br= G.main->brush.first;
while(br) {
for(a=0; a<MAX_MTEX; a++) {
if(br->mtex[a] && br->mtex[a]->tex==tex) {
if(br->id.lib) lib= 1;
else local= 1;
}
}
br= br->id.next;
}
if(local && lib==0) {
tex->id.lib= 0;
tex->id.flag= LIB_LOCAL;
new_id(0, (ID *)tex, 0);
}
else if(local && lib) {
texn= copy_texture(tex);
texn->id.us= 0;
ma= G.main->mat.first;
while(ma) {
for(a=0; a<MAX_MTEX; a++) {
if(ma->mtex[a] && ma->mtex[a]->tex==tex) {
if(ma->id.lib==0) {
ma->mtex[a]->tex= texn;
texn->id.us++;
tex->id.us--;
}
}
}
ma= ma->id.next;
}
la= G.main->lamp.first;
while(la) {
for(a=0; a<MAX_MTEX; a++) {
if(la->mtex[a] && la->mtex[a]->tex==tex) {
if(la->id.lib==0) {
la->mtex[a]->tex= texn;
texn->id.us++;
tex->id.us--;
}
}
}
la= la->id.next;
}
wrld= G.main->world.first;
while(wrld) {
for(a=0; a<MAX_MTEX; a++) {
if(wrld->mtex[a] && wrld->mtex[a]->tex==tex) {
if(wrld->id.lib==0) {
wrld->mtex[a]->tex= texn;
texn->id.us++;
tex->id.us--;
}
}
}
wrld= wrld->id.next;
}
br= G.main->brush.first;
while(br) {
for(a=0; a<MAX_MTEX; a++) {
if(br->mtex[a] && br->mtex[a]->tex==tex) {
if(br->id.lib==0) {
br->mtex[a]->tex= texn;
texn->id.us++;
tex->id.us--;
}
}
}
br= br->id.next;
}
}
}
/* ------------------------------------------------------------------------- */
void autotexname(Tex *tex)
{
char texstr[20][12]= {"None" , "Clouds" , "Wood", "Marble", "Magic" , "Blend",
"Stucci", "Noise" , "Image", "Plugin", "EnvMap" , "Musgrave",
"Voronoi", "DistNoise", "", "", "", "", "", ""};
Image *ima;
char di[FILE_MAXDIR], fi[FILE_MAXFILE];
if(tex) {
if(tex->use_nodes) {
new_id(&G.main->tex, (ID *)tex, "Noddy");
}
else
if(tex->type==TEX_IMAGE) {
ima= tex->ima;
if(ima) {
strcpy(di, ima->name);
BLI_splitdirstring(di, fi);
strcpy(di, "I.");
strcat(di, fi);
new_id(&G.main->tex, (ID *)tex, di);
}
else new_id(&G.main->tex, (ID *)tex, texstr[tex->type]);
}
else if(tex->type==TEX_PLUGIN && tex->plugin) new_id(&G.main->tex, (ID *)tex, tex->plugin->pname);
else new_id(&G.main->tex, (ID *)tex, texstr[tex->type]);
}
}
/* ------------------------------------------------------------------------- */
Tex *give_current_texture(Object *ob, int act)
{
Material ***matarar, *ma;
Lamp *la = 0;
MTex *mtex = 0;
Tex *tex = 0;
bNode *node;
if(ob==0) return 0;
if(ob->totcol==0 && !(ob->type==OB_LAMP)) return 0;
if(ob->type==OB_LAMP) {
la=(Lamp *)ob->data;
if(la) {
mtex= la->mtex[(int)(la->texact)];
if(mtex) tex= mtex->tex;
}
} else {
if(act>ob->totcol) act= ob->totcol;
else if(act==0) act= 1;
if(ob->matbits[act-1]) { /* in object */
ma= ob->mat[act-1];
}
else { /* in data */
matarar= give_matarar(ob);
if(matarar && *matarar) ma= (*matarar)[act-1];
else ma= 0;
}
if(ma && ma->use_nodes && ma->nodetree) {
node= nodeGetActiveID(ma->nodetree, ID_TE);
if(node) {
tex= (Tex *)node->id;
ma= NULL;
}
else {
node= nodeGetActiveID(ma->nodetree, ID_MA);
if(node)
ma= (Material*)node->id;
}
}
if(ma) {
mtex= ma->mtex[(int)(ma->texact)];
if(mtex) tex= mtex->tex;
}
}
return tex;
}
Tex *give_current_world_texture(Scene *scene)
{
MTex *mtex = 0;
Tex *tex = 0;
if(!(scene->world)) return 0;
mtex= scene->world->mtex[(int)(scene->world->texact)];
if(mtex) tex= mtex->tex;
return tex;
}
/* ------------------------------------------------------------------------- */
EnvMap *BKE_add_envmap(void)
{
EnvMap *env;
env= MEM_callocN(sizeof(EnvMap), "envmap");
env->type= ENV_CUBE;
env->stype= ENV_STATIC;
env->clipsta= 0.1;
env->clipend= 100.0;
env->cuberes= 100;
return env;
}
/* ------------------------------------------------------------------------- */
EnvMap *BKE_copy_envmap(EnvMap *env)
{
EnvMap *envn;
int a;
envn= MEM_dupallocN(env);
envn->ok= 0;
for(a=0; a<6; a++) envn->cube[a]= NULL;
if(envn->ima) id_us_plus((ID *)envn->ima);
return envn;
}
/* ------------------------------------------------------------------------- */
void BKE_free_envmapdata(EnvMap *env)
{
unsigned int part;
for(part=0; part<6; part++) {
if(env->cube[part])
IMB_freeImBuf(env->cube[part]);
env->cube[part]= NULL;
}
env->ok= 0;
}
/* ------------------------------------------------------------------------- */
void BKE_free_envmap(EnvMap *env)
{
BKE_free_envmapdata(env);
MEM_freeN(env);
}
/* ------------------------------------------------------------------------- */
int BKE_texture_dependsOnTime(const struct Tex *texture)
{
if(texture->plugin) {
// assume all plugins depend on time
return 1;
}
else if( texture->ima &&
ELEM(texture->ima->source, IMA_SRC_SEQUENCE, IMA_SRC_MOVIE)) {
return 1;
}
#if 0 // XXX old animation system
else if(texture->ipo) {
// assume any ipo means the texture is animated
return 1;
}
#endif // XXX old animation system
return 0;
}
/* ------------------------------------------------------------------------- */
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