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/*
*
* ***** 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
#define PTCACHE_TYPE_SMOKE_DOMAIN_LOW 3
#define PTCACHE_TYPE_SMOKE_DOMAIN_HIGH 4
/* 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 ParticleKey;
struct ClothModifierData;
struct SmokeModifierData;
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 point data to cache data */
int (*write_stream)(PTCacheFile *pf, void *calldata);
/* copies cache cata to point data */
void (*read_elem)(int index, void *calldata, void **data, float frs_sec, float cfra, float *old_data);
/* copies cache cata to point data */
void (*read_stream)(PTCacheFile *pf, void *calldata);
/* 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_id_from_smoke(PTCacheID *pid, struct Object *ob, struct SmokeModifierData *smd, int num);
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_list(struct ListBase *ptcaches_new, struct ListBase *ptcaches_old);
/********************** 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
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