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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2007 by Janne Karhu.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/physics/physics_pointcache.c
* \ingroup edphys
*/
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "DNA_modifier_types.h"
#include "DNA_scene_types.h"
#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_particle.h"
#include "BKE_pointcache.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "PTC_api.h"
#include "ED_particle.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "physics_intern.h"
static int ptcache_poll(bContext *C)
{
PointerRNA ptr= CTX_data_pointer_get_type(C, "point_cache", &RNA_PointCache);
return (ptr.data && ptr.id.data);
}
typedef struct PTCacheExportJob {
short *stop, *do_update;
float *progress;
struct Main *bmain;
struct Scene *scene;
EvaluationContext eval_ctx;
PointerRNA user_ptr;
struct PointCache *cache;
struct PTCWriter *writer;
int origfra; /* original frame to reset scene after export */
float origframelen; /* original frame length to reset scene after export */
} PTCacheExportJob;
static void ptcache_export_freejob(void *customdata)
{
PTCacheExportJob *data= (PTCacheExportJob *)customdata;
MEM_freeN(data);
}
static void ptcache_export_startjob(void *customdata, short *stop, short *do_update, float *progress)
{
PTCacheExportJob *data= (PTCacheExportJob *)customdata;
Scene *scene = data->scene;
int start_frame, end_frame;
data->stop = stop;
data->do_update = do_update;
data->progress = progress;
data->origfra = scene->r.cfra;
data->origframelen = scene->r.framelen;
scene->r.framelen = 1.0f;
memset(&data->eval_ctx, 0, sizeof(EvaluationContext));
data->eval_ctx.mode = DAG_EVAL_RENDER;
G.is_break = false;
/* XXX where to get this from? */
start_frame = scene->r.sfra;
end_frame = scene->r.efra;
PTC_bake(data->bmain, scene, &data->eval_ctx, data->writer, start_frame, end_frame, stop, do_update, progress);
*do_update = true;
*stop = 0;
}
static void ptcache_export_endjob(void *customdata)
{
PTCacheExportJob *data = (PTCacheExportJob *)customdata;
Scene *scene = data->scene;
G.is_rendering = false;
BKE_spacedata_draw_locks(false);
/* free the cache writer (closes output file) */
if (RNA_struct_is_a(data->user_ptr.type, &RNA_PointCacheModifier)) {
Object *ob = (Object *)data->user_ptr.id.data;
PointCacheModifierData *pcmd = (PointCacheModifierData *)data->user_ptr.data;
PTC_mod_point_cache_set_mode(scene, ob, pcmd, MOD_POINTCACHE_MODE_NONE);
}
else {
PTC_writer_free(data->writer);
}
/* reset scene frame */
scene->r.cfra = data->origfra;
scene->r.framelen = data->origframelen;
BKE_scene_update_for_newframe(&data->eval_ctx, data->bmain, scene, scene->lay);
}
static int ptcache_export_exec(bContext *C, wmOperator *op)
{
PointerRNA ptcache_ptr = CTX_data_pointer_get_type(C, "point_cache", &RNA_PointCache);
PointerRNA user_ptr = CTX_data_pointer_get(C, "point_cache_user");
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(C);
PointCache *cache = ptcache_ptr.data;
struct PTCWriter *writer = NULL;
PTCacheExportJob *data;
wmJob *wm_job;
if (!user_ptr.data) {
BKE_reportf(op->reports, RPT_ERROR_INVALID_INPUT, "Missing point cache user info");
return OPERATOR_CANCELLED;
}
/* special case: point cache modifier uses internal writer
* and needs to be set up for baking.
*/
if (RNA_struct_is_a(user_ptr.type, &RNA_PointCacheModifier)) {
Object *ob = (Object *)user_ptr.id.data;
PointCacheModifierData *pcmd = (PointCacheModifierData *)user_ptr.data;
PTC_mod_point_cache_set_mode(scene, ob, pcmd, MOD_POINTCACHE_MODE_WRITE);
}
else {
writer = PTC_writer_from_rna(scene, &user_ptr);
if (!writer) {
BKE_reportf(op->reports, RPT_ERROR_INVALID_INPUT, "%s is not a valid point cache user type", RNA_struct_identifier(user_ptr.type));
return OPERATOR_CANCELLED;
}
}
/* XXX annoying hack: needed to prevent data corruption when changing
* scene frame in separate threads
*/
G.is_rendering = true;
BKE_spacedata_draw_locks(true);
/* XXX set WM_JOB_EXCL_RENDER to prevent conflicts with render jobs,
* since we need to set G.is_rendering
*/
wm_job = WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, "Point Cache Export",
WM_JOB_PROGRESS | WM_JOB_EXCL_RENDER, WM_JOB_TYPE_PTCACHE_EXPORT);
/* setup job */
data = MEM_callocN(sizeof(PTCacheExportJob), "Point Cache Export Job");
data->bmain = bmain;
data->scene = scene;
data->user_ptr = user_ptr;
data->cache = cache;
data->writer = writer;
WM_jobs_customdata_set(wm_job, data, ptcache_export_freejob);
WM_jobs_timer(wm_job, 0.1, NC_SCENE|ND_FRAME, NC_SCENE|ND_FRAME);
WM_jobs_callbacks(wm_job, ptcache_export_startjob, NULL, NULL, ptcache_export_endjob);
WM_jobs_start(CTX_wm_manager(C), wm_job);
return OPERATOR_FINISHED;
}
void PTCACHE_OT_export(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Export";
ot->description = "Export point data";
ot->idname = "PTCACHE_OT_export";
/* api callbacks */
ot->exec = ptcache_export_exec;
ot->poll = ptcache_poll;
/* flags */
/* no undo for this operator, cannot restore old cache files anyway */
ot->flag = OPTYPE_REGISTER;
}
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