BGE: GUI control over frame rate, logic rate, physics rate and physics subrate.
[blender.git] / 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 #ifndef DISABLE_PYTHON
58 #include "BPY_extern.h"
59 #endif
60
61 #ifdef HAVE_CONFIG_H
62 #include <config.h>
63 #endif
64
65 void free_world(World *wrld)
66 {
67         MTex *mtex;
68         int a;
69
70 #ifndef DISABLE_PYTHON
71         BPY_free_scriptlink(&wrld->scriptlink);
72 #endif
73         for(a=0; a<MAX_MTEX; a++) {
74                 mtex= wrld->mtex[a];
75                 if(mtex && mtex->tex) mtex->tex->id.us--;
76                 if(mtex) MEM_freeN(mtex);
77         }
78         BKE_previewimg_free(&wrld->preview);
79
80         wrld->ipo= 0;
81         BKE_icon_delete((struct ID*)wrld);
82         wrld->id.icon_id = 0;
83 }
84
85
86 World *add_world(char *name)
87 {
88         World *wrld;
89
90         wrld= alloc_libblock(&G.main->world, ID_WO, name);
91         
92         wrld->horb= 0.6f;
93         wrld->skytype= WO_SKYBLEND;
94         wrld->stardist= 15.0f;
95         wrld->starsize= 2.0f;
96         wrld->gravity= 9.8f;
97         
98         wrld->exp= 0.0f;
99         wrld->exposure=wrld->range= 1.0f;
100
101         wrld->aodist= 5.0f;
102         wrld->aosamp= 5;
103         wrld->aoenergy= 1.0f;
104         wrld->aobias= 0.05f;
105         wrld->ao_samp_method = WO_AOSAMP_HAMMERSLEY;    
106         wrld->ao_approx_error= 0.25f;
107         
108         wrld->physicsEngine= WOPHY_BULLET;//WOPHY_SUMO; Bullet by default
109         wrld->mode = WO_DBVT_CULLING;   // DBVT culling by default
110         wrld->occlusionRes = 128;
111         wrld->preview = NULL;
112         wrld->ticrate = 60;
113         wrld->maxlogicstep = 5;
114         wrld->physubstep = 1;
115         wrld->maxphystep = 5;
116
117         return wrld;
118 }
119
120 World *copy_world(World *wrld)
121 {
122         World *wrldn;
123         int a;
124         
125         wrldn= copy_libblock(wrld);
126         
127         for(a=0; a<MAX_MTEX; a++) {
128                 if(wrld->mtex[a]) {
129                         wrldn->mtex[a]= MEM_mallocN(sizeof(MTex), "copymaterial");
130                         memcpy(wrldn->mtex[a], wrld->mtex[a], sizeof(MTex));
131                         id_us_plus((ID *)wrldn->mtex[a]->tex);
132                 }
133         }
134         
135         if (wrld->preview) wrldn->preview = BKE_previewimg_copy(wrld->preview);
136 #ifndef DISABLE_PYTHON
137         BPY_copy_scriptlink(&wrld->scriptlink);
138 #endif
139         id_us_plus((ID *)wrldn->ipo);
140         
141         return wrldn;
142 }
143
144 void make_local_world(World *wrld)
145 {
146         Scene *sce;
147         World *wrldn;
148         int local=0, lib=0;
149
150         /* - only lib users: do nothing
151             * - only local users: set flag
152             * - mixed: make copy
153             */
154         
155         if(wrld->id.lib==0) return;
156         if(wrld->id.us==1) {
157                 wrld->id.lib= 0;
158                 wrld->id.flag= LIB_LOCAL;
159                 new_id(0, (ID *)wrld, 0);
160                 return;
161         }
162         
163         sce= G.main->scene.first;
164         while(sce) {
165                 if(sce->world==wrld) {
166                         if(sce->id.lib) lib= 1;
167                         else local= 1;
168                 }
169                 sce= sce->id.next;
170         }
171         
172         if(local && lib==0) {
173                 wrld->id.lib= 0;
174                 wrld->id.flag= LIB_LOCAL;
175                 new_id(0, (ID *)wrld, 0);
176         }
177         else if(local && lib) {
178                 wrldn= copy_world(wrld);
179                 wrldn->id.us= 0;
180                 
181                 sce= G.main->scene.first;
182                 while(sce) {
183                         if(sce->world==wrld) {
184                                 if(sce->id.lib==0) {
185                                         sce->world= wrldn;
186                                         wrldn->id.us++;
187                                         wrld->id.us--;
188                                 }
189                         }
190                         sce= sce->id.next;
191                 }
192         }
193 }