1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/*
*
* ***** 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) 2006 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Campbell Barton <ideasman42@gmail.com>
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef BKE_POINTCACHE_H
#define BKE_POINTCACHE_H
#include "DNA_ID.h"
#include "DNA_object_force.h"
#include "DNA_boid_types.h"
#include "MEM_guardedalloc.h"
/* Point cache clearing option, for BKE_ptcache_id_clear, before
* and after are non inclusive (they wont remove the cfra) */
#define PTCACHE_CLEAR_ALL 0
#define PTCACHE_CLEAR_FRAME 1
#define PTCACHE_CLEAR_BEFORE 2
#define PTCACHE_CLEAR_AFTER 3
/* Point cache reset options */
#define PTCACHE_RESET_DEPSGRAPH 0
#define PTCACHE_RESET_BAKED 1
#define PTCACHE_RESET_OUTDATED 2
#define PTCACHE_RESET_FREE 3
/* Add the blendfile name after blendcache_ */
#define PTCACHE_EXT ".bphys"
#define PTCACHE_PATH "blendcache_"
/* File open options, for BKE_ptcache_file_open */
#define PTCACHE_FILE_READ 0
#define PTCACHE_FILE_WRITE 1
/* PTCacheID types */
#define PTCACHE_TYPE_SOFTBODY 0
#define PTCACHE_TYPE_PARTICLES 1
#define PTCACHE_TYPE_CLOTH 2
/* PTCache read return code */
#define PTCACHE_READ_EXACT 1
#define PTCACHE_READ_INTERPOLATED 2
#define PTCACHE_READ_OLD 3
/* Structs */
struct Object;
struct Scene;
struct SoftBody;
struct ParticleSystem;
struct ClothModifierData;
struct PointCache;
struct ListBase;
/* temp structure for read/write */
typedef struct PTCacheData {
int index;
float loc[3];
float vel[3];
float rot[4];
float ave[3];
float size;
float times[3];
struct BoidData boids;
} PTCacheData;
typedef struct PTCacheFile {
FILE *fp;
int totpoint, type;
unsigned int data_types;
struct PTCacheData data;
void *cur[BPHYS_TOT_DATA];
} PTCacheFile;
typedef struct PTCacheID {
struct PTCacheID *next, *prev;
struct Scene *scene;
struct Object *ob;
void *calldata;
int type;
int stack_index;
/* flags defined in DNA_object_force.h */
unsigned int data_types, info_types;
/* copies point data to cache data */
int (*write_elem)(int index, void *calldata, void **data);
/* copies cache cata to point data */
void (*read_elem)(int index, void *calldata, void **data, float frs_sec, float cfra, float *old_data);
/* interpolated between previously read point data and cache data */
void (*interpolate_elem)(int index, void *calldata, void **data, float frs_sec, float cfra, float cfra1, float cfra2, float *old_data);
/* total number of simulated points */
int (*totpoint)(void *calldata);
/* number of points written for current cache frame (currently not used) */
int (*totwrite)(void *calldata);
int (*write_header)(PTCacheFile *pf);
int (*read_header)(PTCacheFile *pf);
struct PointCache *cache;
/* used for setting the current cache from ptcaches list */
struct PointCache **cache_ptr;
struct ListBase *ptcaches;
} PTCacheID;
typedef struct PTCacheBaker {
struct Scene *scene;
int bake;
int render;
int anim_init;
int quick_step;
struct PTCacheID *pid;
int (*break_test)(void *data);
void *break_data;
void (*progressbar)(void *data, int num);
void *progresscontext;
} PTCacheBaker;
/* Particle functions */
void BKE_ptcache_make_particle_key(struct ParticleKey *key, int index, void **data, float time);
/**************** Creating ID's ****************************/
void BKE_ptcache_id_from_softbody(PTCacheID *pid, struct Object *ob, struct SoftBody *sb);
void BKE_ptcache_id_from_particles(PTCacheID *pid, struct Object *ob, struct ParticleSystem *psys);
void BKE_ptcache_id_from_cloth(PTCacheID *pid, struct Object *ob, struct ClothModifierData *clmd);
void BKE_ptcache_ids_from_object(struct ListBase *lb, struct Object *ob);
/***************** Global funcs ****************************/
void BKE_ptcache_remove(void);
/************ ID specific functions ************************/
void BKE_ptcache_id_clear(PTCacheID *id, int mode, int cfra);
int BKE_ptcache_id_exist(PTCacheID *id, int cfra);
int BKE_ptcache_id_reset(struct Scene *scene, PTCacheID *id, int mode);
void BKE_ptcache_id_time(PTCacheID *pid, struct Scene *scene, float cfra, int *startframe, int *endframe, float *timescale);
int BKE_ptcache_object_reset(struct Scene *scene, struct Object *ob, int mode);
void BKE_ptcache_update_info(PTCacheID *pid);
/*********** General cache reading/writing ******************/
/* Size of cache data type. */
int BKE_ptcache_data_size(int data_type);
/* Copy a specific data type from cache data to point data. */
void BKE_ptcache_data_get(void **data, int type, int index, void *to);
/* Copy a specific data type from point data to cache data. */
void BKE_ptcache_data_set(void **data, int type, void *from);
/* Main cache reading call. */
int BKE_ptcache_read_cache(PTCacheID *pid, float cfra, float frs_sec);
/* Main cache writing call. */
int BKE_ptcache_write_cache(PTCacheID *pid, int cfra);
/****************** Continue physics ***************/
void BKE_ptcache_set_continue_physics(struct Scene *scene, int enable);
int BKE_ptcache_get_continue_physics(void);
/******************* Allocate & free ***************/
struct PointCache *BKE_ptcache_add(struct ListBase *ptcaches);
void BKE_ptache_free_mem(struct PointCache *cache);
void BKE_ptcache_free(struct PointCache *cache);
void BKE_ptcache_free_list(struct ListBase *ptcaches);
struct PointCache *BKE_ptcache_copy(struct PointCache *cache);
/********************** Baking *********************/
/* Bakes cache with cache_step sized jumps in time, not accurate but very fast. */
void BKE_ptcache_quick_cache_all(struct Scene *scene);
/* Bake cache or simulate to current frame with settings defined in the baker. */
void BKE_ptcache_make_cache(struct PTCacheBaker* baker);
/* Convert disk cache to memory cache. */
void BKE_ptcache_disk_to_mem(struct PTCacheID *pid);
/* Convert memory cache to disk cache. */
void BKE_ptcache_mem_to_disk(struct PTCacheID *pid);
/* Convert disk cache to memory cache and vice versa. Clears the cache that was converted. */
void BKE_ptcache_toggle_disk_cache(struct PTCacheID *pid);
/* Loads simulation from external (disk) cache files. */
void BKE_ptcache_load_external(struct PTCacheID *pid);
#endif
|