1 /*
2  * This program is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU General Public License
4  * as published by the Free Software Foundation; either version 2
5  * of the License, or (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software Foundation,
14  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15  *
16  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
17  * All rights reserved.
18  */
19 
20 /** \file
21  * \ingroup DNA
22  */
23 
24 #pragma once
25 
26 #include "DNA_ID.h"
27 #include "DNA_defs.h"
28 
29 struct AnimData;
30 struct Ipo;
31 struct bNodeTree;
32 
33 #ifndef MAX_MTEX
34 #  define MAX_MTEX 18
35 #endif
36 
37 /**
38  * World defines general modeling data such as a background fill,
39  * gravity, color model etc. It mixes rendering data and modeling data. */
40 typedef struct World {
41   ID id;
42   /** Animation data (must be immediately after id for utilities to use it). */
43   struct AnimData *adt;
44   /* runtime (must be immediately after id for utilities to use it). */
45   DrawDataList drawdata;
46 
47   char _pad0[4];
48   short texact, mistype;
49 
50   float horr, horg, horb;
51 
52   /**
53    * Exposure is a multiplication factor. Unused now, but maybe back later.
54    * Kept in to be upward compatible.
55    */
56   float exposure, exp, range;
57 
58   /**
59    * Some world modes
60    * bit 0: Do mist
61    */
62   short mode;
63   char _pad2[6];
64 
65   float misi, miststa, mistdist, misthi;
66 
67   /** Ambient occlusion. */
68   float aodist, aoenergy;
69 
70   /** Assorted settings. */
71   short flag;
72   char _pad3[6];
73 
74   /** Old animation system, deprecated for 2.5. */
75   struct Ipo *ipo DNA_DEPRECATED;
76   short pr_texture, use_nodes;
77   char _pad[4];
78 
79   /* previews */
80   struct PreviewImage *preview;
81 
82   /* nodes */
83   struct bNodeTree *nodetree;
84 
85   /** Runtime. */
86   ListBase gpumaterial;
87 } World;
88 
89 /* **************** WORLD ********************* */
90 
91 /* mode */
92 #define WO_MIST (1 << 0)
93 #define WO_MODE_UNUSED_1 (1 << 1) /* cleared */
94 #define WO_MODE_UNUSED_2 (1 << 2) /* cleared */
95 #define WO_MODE_UNUSED_3 (1 << 3) /* cleared */
96 #define WO_MODE_UNUSED_4 (1 << 4) /* cleared */
97 #define WO_MODE_UNUSED_5 (1 << 5) /* cleared */
98 #define WO_AMB_OCC (1 << 6)
99 #define WO_MODE_UNUSED_7 (1 << 7) /* cleared */
100 
101 enum {
102   WO_MIST_QUADRATIC = 0,
103   WO_MIST_LINEAR = 1,
104   WO_MIST_INVERSE_QUADRATIC = 2,
105 };
106 
107 /* flag */
108 #define WO_DS_EXPAND (1 << 0)
109 /* NOTE: this must have the same value as MA_DS_SHOW_TEXS,
110  * otherwise anim-editors will not read correctly
111  */
112 #define WO_DS_SHOW_TEXS (1 << 2)
113