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 #pragma once
20 
21 /** \file
22  * \ingroup bke
23  */
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
29 struct AviCodecData;
30 struct Collection;
31 struct Depsgraph;
32 struct GHash;
33 struct Main;
34 struct Object;
35 struct RenderData;
36 struct Scene;
37 struct TransformOrientation;
38 struct UnitSettings;
39 struct View3DCursor;
40 struct ViewLayer;
41 
42 typedef enum eSceneCopyMethod {
43   SCE_COPY_NEW = 0,
44   SCE_COPY_EMPTY = 1,
45   SCE_COPY_LINK_COLLECTION = 2,
46   SCE_COPY_FULL = 3,
47 } eSceneCopyMethod;
48 
49 /* Use as the contents of a 'for' loop: for (SETLOOPER(...)) { ... */
50 #define SETLOOPER(_sce_basis, _sce_iter, _base) \
51   _sce_iter = _sce_basis, \
52   _base = _setlooper_base_step( \
53       &_sce_iter, BKE_view_layer_context_active_PLACEHOLDER(_sce_basis), NULL); \
54   _base; \
55   _base = _setlooper_base_step(&_sce_iter, NULL, _base)
56 
57 #define SETLOOPER_VIEW_LAYER(_sce_basis, _view_layer, _sce_iter, _base) \
58   _sce_iter = _sce_basis, _base = _setlooper_base_step(&_sce_iter, _view_layer, NULL); \
59   _base; \
60   _base = _setlooper_base_step(&_sce_iter, NULL, _base)
61 
62 #define SETLOOPER_SET_ONLY(_sce_basis, _sce_iter, _base) \
63   _sce_iter = _sce_basis, _base = _setlooper_base_step(&_sce_iter, NULL, NULL); \
64   _base; \
65   _base = _setlooper_base_step(&_sce_iter, NULL, _base)
66 
67 struct Base *_setlooper_base_step(struct Scene **sce_iter,
68                                   struct ViewLayer *view_layer,
69                                   struct Base *base);
70 
71 void free_avicodecdata(struct AviCodecData *acd);
72 
73 struct Scene *BKE_scene_add(struct Main *bmain, const char *name);
74 
75 void BKE_scene_remove_rigidbody_object(struct Main *bmain,
76                                        struct Scene *scene,
77                                        struct Object *ob,
78                                        const bool free_us);
79 
80 bool BKE_scene_object_find(struct Scene *scene, struct Object *ob);
81 struct Object *BKE_scene_object_find_by_name(const struct Scene *scene, const char *name);
82 
83 /* Scene base iteration function.
84  * Define struct here, so no need to bother with alloc/free it.
85  */
86 typedef struct SceneBaseIter {
87   struct ListBase *duplilist;
88   struct DupliObject *dupob;
89   float omat[4][4];
90   struct Object *dupli_refob;
91   int phase;
92 } SceneBaseIter;
93 
94 int BKE_scene_base_iter_next(struct Depsgraph *depsgraph,
95                              struct SceneBaseIter *iter,
96                              struct Scene **scene,
97                              int val,
98                              struct Base **base,
99                              struct Object **ob);
100 
101 void BKE_scene_base_flag_to_objects(struct ViewLayer *view_layer);
102 void BKE_scene_object_base_flag_sync_from_base(struct Base *base);
103 
104 void BKE_scene_set_background(struct Main *bmain, struct Scene *sce);
105 struct Scene *BKE_scene_set_name(struct Main *bmain, const char *name);
106 
107 struct ToolSettings *BKE_toolsettings_copy(struct ToolSettings *toolsettings, const int flag);
108 void BKE_toolsettings_free(struct ToolSettings *toolsettings);
109 
110 struct Scene *BKE_scene_duplicate(struct Main *bmain, struct Scene *sce, eSceneCopyMethod type);
111 void BKE_scene_groups_relink(struct Scene *sce);
112 
113 bool BKE_scene_has_view_layer(const struct Scene *scene, const struct ViewLayer *layer);
114 struct Scene *BKE_scene_find_from_collection(const struct Main *bmain,
115                                              const struct Collection *collection);
116 
117 #ifdef DURIAN_CAMERA_SWITCH
118 struct Object *BKE_scene_camera_switch_find(struct Scene *scene); /* DURIAN_CAMERA_SWITCH */
119 #endif
120 bool BKE_scene_camera_switch_update(struct Scene *scene);
121 
122 const char *BKE_scene_find_marker_name(const struct Scene *scene, int frame);
123 const char *BKE_scene_find_last_marker_name(const struct Scene *scene, int frame);
124 
125 int BKE_scene_frame_snap_by_seconds(struct Scene *scene, double interval_in_seconds, int cfra);
126 
127 /* checks for cycle, returns 1 if it's all OK */
128 bool BKE_scene_validate_setscene(struct Main *bmain, struct Scene *sce);
129 
130 float BKE_scene_frame_get(const struct Scene *scene);
131 float BKE_scene_frame_to_ctime(const struct Scene *scene, const float frame);
132 void BKE_scene_frame_set(struct Scene *scene, double cfra);
133 
134 struct TransformOrientationSlot *BKE_scene_orientation_slot_get_from_flag(struct Scene *scene,
135                                                                           int flag);
136 struct TransformOrientationSlot *BKE_scene_orientation_slot_get(struct Scene *scene,
137                                                                 int slot_index);
138 void BKE_scene_orientation_slot_set_index(struct TransformOrientationSlot *orient_slot,
139                                           int orientation);
140 int BKE_scene_orientation_slot_get_index(const struct TransformOrientationSlot *orient_slot);
141 
142 /* **  Scene evaluation ** */
143 
144 void BKE_scene_update_sound(struct Depsgraph *depsgraph, struct Main *bmain);
145 void BKE_scene_update_tag_audio_volume(struct Depsgraph *, struct Scene *scene);
146 
147 void BKE_scene_graph_update_tagged(struct Depsgraph *depsgraph, struct Main *bmain);
148 void BKE_scene_graph_evaluated_ensure(struct Depsgraph *depsgraph, struct Main *bmain);
149 
150 void BKE_scene_graph_update_for_newframe(struct Depsgraph *depsgraph);
151 
152 void BKE_scene_view_layer_graph_evaluated_ensure(struct Main *bmain,
153                                                  struct Scene *scene,
154                                                  struct ViewLayer *view_layer);
155 
156 struct SceneRenderView *BKE_scene_add_render_view(struct Scene *sce, const char *name);
157 bool BKE_scene_remove_render_view(struct Scene *scene, struct SceneRenderView *srv);
158 
159 /* render profile */
160 int get_render_subsurf_level(const struct RenderData *r, int lvl, bool for_render);
161 int get_render_child_particle_number(const struct RenderData *r, int num, bool for_render);
162 
163 bool BKE_scene_use_shading_nodes_custom(struct Scene *scene);
164 bool BKE_scene_use_spherical_stereo(struct Scene *scene);
165 
166 bool BKE_scene_uses_blender_eevee(const struct Scene *scene);
167 bool BKE_scene_uses_blender_workbench(const struct Scene *scene);
168 bool BKE_scene_uses_cycles(const struct Scene *scene);
169 
170 void BKE_scene_copy_data_eevee(struct Scene *sce_dst, const struct Scene *sce_src);
171 
172 void BKE_scene_disable_color_management(struct Scene *scene);
173 bool BKE_scene_check_color_management_enabled(const struct Scene *scene);
174 bool BKE_scene_check_rigidbody_active(const struct Scene *scene);
175 
176 int BKE_scene_num_threads(const struct Scene *scene);
177 int BKE_render_num_threads(const struct RenderData *r);
178 
179 int BKE_render_preview_pixel_size(const struct RenderData *r);
180 
181 /**********************************/
182 
183 double BKE_scene_unit_scale(const struct UnitSettings *unit, const int unit_type, double value);
184 
185 /* multiview */
186 bool BKE_scene_multiview_is_stereo3d(const struct RenderData *rd);
187 bool BKE_scene_multiview_is_render_view_active(const struct RenderData *rd,
188                                                const struct SceneRenderView *srv);
189 bool BKE_scene_multiview_is_render_view_first(const struct RenderData *rd, const char *viewname);
190 bool BKE_scene_multiview_is_render_view_last(const struct RenderData *rd, const char *viewname);
191 int BKE_scene_multiview_num_views_get(const struct RenderData *rd);
192 struct SceneRenderView *BKE_scene_multiview_render_view_findindex(const struct RenderData *rd,
193                                                                   const int view_id);
194 const char *BKE_scene_multiview_render_view_name_get(const struct RenderData *rd,
195                                                      const int view_id);
196 int BKE_scene_multiview_view_id_get(const struct RenderData *rd, const char *viewname);
197 void BKE_scene_multiview_filepath_get(struct SceneRenderView *srv,
198                                       const char *filepath,
199                                       char *r_filepath);
200 void BKE_scene_multiview_view_filepath_get(const struct RenderData *rd,
201                                            const char *filepath,
202                                            const char *view,
203                                            char *r_filepath);
204 const char *BKE_scene_multiview_view_suffix_get(const struct RenderData *rd, const char *viewname);
205 const char *BKE_scene_multiview_view_id_suffix_get(const struct RenderData *rd, const int view_id);
206 void BKE_scene_multiview_view_prefix_get(struct Scene *scene,
207                                          const char *name,
208                                          char *r_prefix,
209                                          const char **r_ext);
210 void BKE_scene_multiview_videos_dimensions_get(const struct RenderData *rd,
211                                                const size_t width,
212                                                const size_t height,
213                                                size_t *r_width,
214                                                size_t *r_height);
215 int BKE_scene_multiview_num_videos_get(const struct RenderData *rd);
216 
217 /* depsgraph */
218 void BKE_scene_allocate_depsgraph_hash(struct Scene *scene);
219 void BKE_scene_ensure_depsgraph_hash(struct Scene *scene);
220 void BKE_scene_free_depsgraph_hash(struct Scene *scene);
221 void BKE_scene_free_view_layer_depsgraph(struct Scene *scene, struct ViewLayer *view_layer);
222 
223 /* Do not allocate new depsgraph. */
224 struct Depsgraph *BKE_scene_get_depsgraph(struct Scene *scene, struct ViewLayer *view_layer);
225 /* Allocate new depsgraph if necessary. */
226 struct Depsgraph *BKE_scene_ensure_depsgraph(struct Main *bmain,
227                                              struct Scene *scene,
228                                              struct ViewLayer *view_layer);
229 
230 struct GHash *BKE_scene_undo_depsgraphs_extract(struct Main *bmain);
231 void BKE_scene_undo_depsgraphs_restore(struct Main *bmain, struct GHash *depsgraph_extract);
232 
233 void BKE_scene_transform_orientation_remove(struct Scene *scene,
234                                             struct TransformOrientation *orientation);
235 struct TransformOrientation *BKE_scene_transform_orientation_find(const struct Scene *scene,
236                                                                   const int index);
237 int BKE_scene_transform_orientation_get_index(const struct Scene *scene,
238                                               const struct TransformOrientation *orientation);
239 
240 void BKE_scene_cursor_rot_to_mat3(const struct View3DCursor *cursor, float mat[3][3]);
241 void BKE_scene_cursor_mat3_to_rot(struct View3DCursor *cursor,
242                                   const float mat[3][3],
243                                   bool use_compat);
244 
245 void BKE_scene_cursor_rot_to_quat(const struct View3DCursor *cursor, float quat[4]);
246 void BKE_scene_cursor_quat_to_rot(struct View3DCursor *cursor,
247                                   const float quat[4],
248                                   bool use_compat);
249 
250 void BKE_scene_cursor_to_mat4(const struct View3DCursor *cursor, float mat[4][4]);
251 void BKE_scene_cursor_from_mat4(struct View3DCursor *cursor,
252                                 const float mat[4][4],
253                                 bool use_compat);
254 
255 /* Dependency graph evaluation. */
256 
257 /* Evaluate parts of sequences which needs to be done as a part of a dependency graph evaluation.
258  * This does NOT include actual rendering of the strips, but rather makes them up-to-date for
259  * animation playback and makes them ready for the sequencer's rendering pipeline to render them.
260  */
261 void BKE_scene_eval_sequencer_sequences(struct Depsgraph *depsgraph, struct Scene *scene);
262 
263 #ifdef __cplusplus
264 }
265 #endif
266