1 files changed, 469 insertions, 0 deletions

diff --git a/source/blender/editors/physics/physics_pointcache.c b/source/blender/editors/physics/physics_pointcache.c
new file mode 100644
index 00000000000..e81aa584586
--- /dev/null
+++ b/source/blender/editors/physics/physics_pointcache.c
@@ -0,0 +1,469 @@
+/*
+ * ***** 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_scene_types.h"
+
+#include "BKE_context.h"
+#include "BKE_screen.h"
+#include "BKE_global.h"
+#include "BKE_main.h"
+#include "BKE_particle.h"
+#include "BKE_pointcache.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_bake_all_poll(bContext *C)
+{
+	return CTX_data_scene(C) != NULL;
+}
+
+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 PointCacheJob {
+	void *owner;
+	short *stop, *do_update;
+	float *progress;
+
+	PTCacheBaker *baker;
+} PointCacheJob;
+
+static void ptcache_job_free(void *customdata)
+{
+	PointCacheJob *job = customdata;
+	MEM_freeN(job->baker);
+	MEM_freeN(job);
+}
+
+static int ptcache_job_break(void *customdata)
+{
+	PointCacheJob *job = customdata;
+
+	if (G.is_break) {
+		return 1;
+	}
+
+	if (job->stop && *(job->stop)) {
+		return 1;
+	}
+
+	return 0;
+}
+
+static void ptcache_job_update(void *customdata, float progress, int *cancel)
+{
+    PointCacheJob *job = customdata;
+
+    if (ptcache_job_break(job)) {
+        *cancel = 1;
+    }
+
+    *(job->do_update) = true;
+    *(job->progress) = progress;
+}
+
+static void ptcache_job_startjob(void *customdata, short *stop, short *do_update, float *progress)
+{
+    PointCacheJob *job = customdata;
+
+    job->stop = stop;
+    job->do_update = do_update;
+    job->progress = progress;
+
+    G.is_break = false;
+
+    /* XXX annoying hack: needed to prevent data corruption when changing
+     * scene frame in separate threads
+     */
+    G.is_rendering = true;
+    BKE_spacedata_draw_locks(true);
+
+	BKE_ptcache_bake(job->baker);
+
+    *do_update = true;
+    *stop = 0;
+}
+
+static void ptcache_job_endjob(void *customdata)
+{
+    PointCacheJob *job = customdata;
+	Scene *scene = job->baker->scene;
+
+    G.is_rendering = false;
+    BKE_spacedata_draw_locks(false);
+
+	WM_set_locked_interface(G.main->wm.first, false);
+
+	WM_main_add_notifier(NC_SCENE | ND_FRAME, scene);
+	WM_main_add_notifier(NC_OBJECT | ND_POINTCACHE, job->baker->pid.ob);
+}
+
+static void ptcache_free_bake(PointCache *cache)
+{
+	if (cache->edit) {
+		if (!cache->edit->edited || 1) {// XXX okee("Lose changes done in particle mode?")) {
+			PE_free_ptcache_edit(cache->edit);
+			cache->edit = NULL;
+			cache->flag &= ~PTCACHE_BAKED;
+		}
+	}
+	else {
+		cache->flag &= ~PTCACHE_BAKED;
+	}
+}
+
+static PTCacheBaker *ptcache_baker_create(bContext *C, wmOperator *op, bool all)
+{
+	PTCacheBaker *baker = MEM_callocN(sizeof(PTCacheBaker), "PTCacheBaker");
+
+	baker->main = CTX_data_main(C);
+	baker->scene = CTX_data_scene(C);
+	baker->bake = RNA_boolean_get(op->ptr, "bake");
+	baker->render = 0;
+	baker->anim_init = 0;
+	baker->quick_step = 1;
+
+	if (!all) {
+		PointerRNA ptr = CTX_data_pointer_get_type(C, "point_cache", &RNA_PointCache);
+		Object *ob = ptr.id.data;
+		PointCache *cache = ptr.data;
+
+		ListBase pidlist;
+		BKE_ptcache_ids_from_object(&pidlist, ob, baker->scene, MAX_DUPLI_RECUR);
+
+		for (PTCacheID *pid = pidlist.first; pid; pid = pid->next) {
+			if (pid->cache == cache) {
+				baker->pid = *pid;
+				break;
+			}
+		}
+
+		BLI_freelistN(&pidlist);
+	}
+
+	return baker;
+}
+
+static int ptcache_bake_exec(bContext *C, wmOperator *op)
+{
+	bool all = STREQ(op->type->idname, "PTCACHE_OT_bake_all");
+
+	PTCacheBaker *baker = ptcache_baker_create(C, op, all);
+	BKE_ptcache_bake(baker);
+	MEM_freeN(baker);
+
+	return OPERATOR_FINISHED;
+}
+
+static int ptcache_bake_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
+{
+	bool all = STREQ(op->type->idname, "PTCACHE_OT_bake_all");
+
+	PointCacheJob *job = MEM_mallocN(sizeof(PointCacheJob), "PointCacheJob");
+	job->baker = ptcache_baker_create(C, op, all);
+	job->baker->bake_job = job;
+	job->baker->update_progress = ptcache_job_update;
+
+	wmJob *wm_job = WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), CTX_data_scene(C),
+	                            "Point Cache", WM_JOB_PROGRESS, WM_JOB_TYPE_POINTCACHE);
+
+	WM_jobs_customdata_set(wm_job, job, ptcache_job_free);
+	WM_jobs_timer(wm_job, 0.1, NC_OBJECT | ND_POINTCACHE, NC_OBJECT | ND_POINTCACHE);
+	WM_jobs_callbacks(wm_job, ptcache_job_startjob, NULL, NULL, ptcache_job_endjob);
+
+	WM_set_locked_interface(CTX_wm_manager(C), true);
+
+	WM_jobs_start(CTX_wm_manager(C), wm_job);
+
+	WM_event_add_modal_handler(C, op);
+
+	/* we must run modal until the bake job is done, otherwise the undo push
+	 * happens before the job ends, which can lead to race conditions between
+	 * the baking and file writing code */
+	return OPERATOR_RUNNING_MODAL;
+}
+
+static int ptcache_bake_modal(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
+{
+	Scene *scene = (Scene *) op->customdata;
+
+	/* no running blender, remove handler and pass through */
+	if (0 == WM_jobs_test(CTX_wm_manager(C), scene, WM_JOB_TYPE_POINTCACHE)) {
+		return OPERATOR_FINISHED | OPERATOR_PASS_THROUGH;
+	}
+
+	return OPERATOR_PASS_THROUGH;
+}
+
+static void ptcache_bake_cancel(bContext *C, wmOperator *op)
+{
+	wmWindowManager *wm = CTX_wm_manager(C);
+	Scene *scene = (Scene *) op->customdata;
+
+	/* kill on cancel, because job is using op->reports */
+	WM_jobs_kill_type(wm, scene, WM_JOB_TYPE_POINTCACHE);
+}
+
+static int ptcache_free_bake_all_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	Scene *scene= CTX_data_scene(C);
+	Base *base;
+	PTCacheID *pid;
+	ListBase pidlist;
+
+	for (base=scene->base.first; base; base= base->next) {
+		BKE_ptcache_ids_from_object(&pidlist, base->object, scene, MAX_DUPLI_RECUR);
+
+		for (pid=pidlist.first; pid; pid=pid->next) {
+			ptcache_free_bake(pid->cache);
+		}
+		
+		BLI_freelistN(&pidlist);
+		
+		WM_event_add_notifier(C, NC_OBJECT|ND_POINTCACHE, base->object);
+	}
+
+	WM_event_add_notifier(C, NC_SCENE|ND_FRAME, scene);
+
+	return OPERATOR_FINISHED;
+}
+
+void PTCACHE_OT_bake_all(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Bake All Physics";
+	ot->description = "Bake all physics";
+	ot->idname = "PTCACHE_OT_bake_all";
+	
+	/* api callbacks */
+	ot->exec = ptcache_bake_exec;
+	ot->invoke = ptcache_bake_invoke;
+	ot->modal = ptcache_bake_modal;
+	ot->cancel = ptcache_bake_cancel;
+	ot->poll = ptcache_bake_all_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
+
+	RNA_def_boolean(ot->srna, "bake", 1, "Bake", "");
+}
+void PTCACHE_OT_free_bake_all(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Free All Physics Bakes";
+	ot->idname = "PTCACHE_OT_free_bake_all";
+	ot->description = "Free all baked caches of all objects in the current scene";
+	
+	/* api callbacks */
+	ot->exec = ptcache_free_bake_all_exec;
+	ot->poll = ptcache_bake_all_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
+}
+
+static int ptcache_free_bake_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	PointerRNA ptr= CTX_data_pointer_get_type(C, "point_cache", &RNA_PointCache);
+	PointCache *cache= ptr.data;
+	Object *ob= ptr.id.data;
+
+	ptcache_free_bake(cache);
+	
+	WM_event_add_notifier(C, NC_OBJECT|ND_POINTCACHE, ob);
+
+	return OPERATOR_FINISHED;
+}
+static int ptcache_bake_from_cache_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	PointerRNA ptr= CTX_data_pointer_get_type(C, "point_cache", &RNA_PointCache);
+	PointCache *cache= ptr.data;
+	Object *ob= ptr.id.data;
+	
+	cache->flag |= PTCACHE_BAKED;
+	
+	WM_event_add_notifier(C, NC_OBJECT|ND_POINTCACHE, ob);
+
+	return OPERATOR_FINISHED;
+}
+void PTCACHE_OT_bake(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Bake Physics";
+	ot->description = "Bake physics";
+	ot->idname = "PTCACHE_OT_bake";
+	
+	/* api callbacks */
+	ot->exec = ptcache_bake_exec;
+	ot->invoke = ptcache_bake_invoke;
+	ot->modal = ptcache_bake_modal;
+	ot->cancel = ptcache_bake_cancel;
+	ot->poll = ptcache_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
+
+	RNA_def_boolean(ot->srna, "bake", 0, "Bake", "");
+}
+void PTCACHE_OT_free_bake(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Free Physics Bake";
+	ot->description = "Free physics bake";
+	ot->idname = "PTCACHE_OT_free_bake";
+	
+	/* api callbacks */
+	ot->exec = ptcache_free_bake_exec;
+	ot->poll = ptcache_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
+}
+void PTCACHE_OT_bake_from_cache(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Bake From Cache";
+	ot->description = "Bake from cache";
+	ot->idname = "PTCACHE_OT_bake_from_cache";
+	
+	/* api callbacks */
+	ot->exec = ptcache_bake_from_cache_exec;
+	ot->poll = ptcache_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
+}
+
+static int ptcache_add_new_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	Scene *scene = CTX_data_scene(C);
+	PointerRNA ptr= CTX_data_pointer_get_type(C, "point_cache", &RNA_PointCache);
+	Object *ob= ptr.id.data;
+	PointCache *cache= ptr.data;
+	PTCacheID *pid;
+	ListBase pidlist;
+
+	BKE_ptcache_ids_from_object(&pidlist, ob, scene, MAX_DUPLI_RECUR);
+	
+	for (pid=pidlist.first; pid; pid=pid->next) {
+		if (pid->cache == cache) {
+			PointCache *cache_new = BKE_ptcache_add(pid->ptcaches);
+			cache_new->step = pid->default_step;
+			*(pid->cache_ptr) = cache_new;
+			break;
+		}
+	}
+
+	BLI_freelistN(&pidlist);
+
+	WM_event_add_notifier(C, NC_SCENE|ND_FRAME, scene);
+	WM_event_add_notifier(C, NC_OBJECT|ND_POINTCACHE, ob);
+
+	return OPERATOR_FINISHED;
+}
+static int ptcache_remove_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	PointerRNA ptr= CTX_data_pointer_get_type(C, "point_cache", &RNA_PointCache);
+	Scene *scene= CTX_data_scene(C);
+	Object *ob= ptr.id.data;
+	PointCache *cache= ptr.data;
+	PTCacheID *pid;
+	ListBase pidlist;
+
+	BKE_ptcache_ids_from_object(&pidlist, ob, scene, MAX_DUPLI_RECUR);
+	
+	for (pid=pidlist.first; pid; pid=pid->next) {
+		if (pid->cache == cache) {
+			if (pid->ptcaches->first == pid->ptcaches->last)
+				continue; /* don't delete last cache */
+
+			BLI_remlink(pid->ptcaches, pid->cache);
+			BKE_ptcache_free(pid->cache);
+			*(pid->cache_ptr) = pid->ptcaches->first;
+
+			break;
+		}
+	}
+
+	BLI_freelistN(&pidlist);
+	
+	WM_event_add_notifier(C, NC_OBJECT|ND_POINTCACHE, ob);
+
+	return OPERATOR_FINISHED;
+}
+void PTCACHE_OT_add(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Add New Cache";
+	ot->description = "Add new cache";
+	ot->idname = "PTCACHE_OT_add";
+	
+	/* api callbacks */
+	ot->exec = ptcache_add_new_exec;
+	ot->poll = ptcache_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
+}
+void PTCACHE_OT_remove(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Delete Current Cache";
+	ot->description = "Delete current cache";
+	ot->idname = "PTCACHE_OT_remove";
+	
+	/* api callbacks */
+	ot->exec = ptcache_remove_exec;
+	ot->poll = ptcache_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
+}
+