source/blender/blenkernel/intern/world.c

   1
   2 /*  world.c
   3  *
   4  *
   5  * $Id$
   6  *
   7  * ***** BEGIN GPL LICENSE BLOCK *****
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  *
  23  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  24  * All rights reserved.
  25  *
  26  * The Original Code is: all of this file.
  27  *
  28  * Contributor(s): none yet.
  29  *
  30  * ***** END GPL LICENSE BLOCK *****
  31  */
  32
  33 #include <string.h>
  34 #include <math.h>
  35 #include "MEM_guardedalloc.h"
  36
  37 #include "DNA_world_types.h"
  38 #include "DNA_texture_types.h"
  39 #include "DNA_scriptlink_types.h"
  40 #include "DNA_scene_types.h"
  41 #include "DNA_object_types.h"
  42 #include "DNA_camera_types.h"
  43
  44
  45 #include "BLI_blenlib.h"
  46 #include "BLI_arithb.h"
  47
  48 #include "BKE_bad_level_calls.h"
  49 #include "BKE_utildefines.h"
  50
  51 #include "BKE_library.h"
  52 #include "BKE_world.h"
  53 #include "BKE_global.h"
  54 #include "BKE_main.h"
  55 #include "BKE_icons.h"
  56
  57 #include "BPY_extern.h"
  58
  59 #ifdef HAVE_CONFIG_H
  60 #include <config.h>
  61 #endif
  62
  63 void free_world(World *wrld)
  64 {
  65         MTex *mtex;
  66         int a;
  67
  68         BPY_free_scriptlink(&wrld->scriptlink);
  69
  70         for(a=0; a<MAX_MTEX; a++) {
  71                 mtex= wrld->mtex[a];
  72                 if(mtex && mtex->tex) mtex->tex->id.us--;
  73                 if(mtex) MEM_freeN(mtex);
  74         }
  75         BKE_previewimg_free(&wrld->preview);
  76
  77         wrld->ipo= 0;
  78         BKE_icon_delete((struct ID*)wrld);
  79         wrld->id.icon_id = 0;
  80 }
  81
  82
  83 World *add_world(char *name)
  84 {
  85         World *wrld;
  86
  87         wrld= alloc_libblock(&G.main->world, ID_WO, name);
  88
  89         wrld->horb= 0.6f;
  90         wrld->skytype= WO_SKYBLEND;
  91         wrld->stardist= 15.0f;
  92         wrld->starsize= 2.0f;
  93         wrld->gravity= 9.8f;
  94
  95         wrld->exp= 0.0f;
  96         wrld->exposure=wrld->range= 1.0f;
  97
  98         wrld->aodist= 5.0f;
  99         wrld->aosamp= 5;
 100         wrld->aoenergy= 1.0f;
 101         wrld->aobias= 0.05f;
 102         wrld->ao_samp_method = WO_AOSAMP_HAMMERSLEY;
 103         wrld->ao_approx_error= 0.25f;
 104
 105         wrld->physicsEngine= WOPHY_BULLET;//WOPHY_SUMO; Bullet by default
 106         wrld->preview = NULL;
 107
 108         return wrld;
 109 }
 110
 111 World *copy_world(World *wrld)
 112 {
 113         World *wrldn;
 114         int a;
 115
 116         wrldn= copy_libblock(wrld);
 117
 118         for(a=0; a<MAX_MTEX; a++) {
 119                 if(wrld->mtex[a]) {
 120                         wrldn->mtex[a]= MEM_mallocN(sizeof(MTex), "copymaterial");
 121                         memcpy(wrldn->mtex[a], wrld->mtex[a], sizeof(MTex));
 122                         id_us_plus((ID *)wrldn->mtex[a]->tex);
 123                 }
 124         }
 125
 126         if (wrld->preview) wrldn->preview = BKE_previewimg_copy(wrld->preview);
 127
 128         BPY_copy_scriptlink(&wrld->scriptlink);
 129
 130         id_us_plus((ID *)wrldn->ipo);
 131
 132         return wrldn;
 133 }
 134
 135 void make_local_world(World *wrld)
 136 {
 137         Scene *sce;
 138         World *wrldn;
 139         int local=0, lib=0;
 140
 141         /* - only lib users: do nothing
 142             * - only local users: set flag
 143             * - mixed: make copy
 144             */
 145
 146         if(wrld->id.lib==0) return;
 147         if(wrld->id.us==1) {
 148                 wrld->id.lib= 0;
 149                 wrld->id.flag= LIB_LOCAL;
 150                 new_id(0, (ID *)wrld, 0);
 151                 return;
 152         }
 153
 154         sce= G.main->scene.first;
 155         while(sce) {
 156                 if(sce->world==wrld) {
 157                         if(sce->id.lib) lib= 1;
 158                         else local= 1;
 159                 }
 160                 sce= sce->id.next;
 161         }
 162
 163         if(local && lib==0) {
 164                 wrld->id.lib= 0;
 165                 wrld->id.flag= LIB_LOCAL;
 166                 new_id(0, (ID *)wrld, 0);
 167         }
 168         else if(local && lib) {
 169                 wrldn= copy_world(wrld);
 170                 wrldn->id.us= 0;
 171
 172                 sce= G.main->scene.first;
 173                 while(sce) {
 174                         if(sce->world==wrld) {
 175                                 if(sce->id.lib==0) {
 176                                         sce->world= wrldn;
 177                                         wrldn->id.us++;
 178                                         wrld->id.us--;
 179                                 }
 180                         }
 181                         sce= sce->id.next;
 182                 }
 183         }
 184 }