blender-archive/source/blender/blenkernel/intern/object_update.c

/*
 * ***** 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) 20014 by Blender Foundation.
 * All rights reserved.
 *
 * Contributor(s): Sergey Sharybin.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/blenkernel/intern/object_update.c
 *  \ingroup bke
 */

#include "DNA_anim_types.h"
#include "DNA_constraint_types.h"
#include "DNA_group_types.h"
#include "DNA_key_types.h"
#include "DNA_material_types.h"
#include "DNA_scene_types.h"

#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLI_math.h"

#include "BKE_global.h"
#include "BKE_armature.h"
#include "BKE_action.h"
#include "BKE_constraint.h"
#include "BKE_depsgraph.h"
#include "BKE_DerivedMesh.h"
#include "BKE_animsys.h"
#include "BKE_displist.h"
#include "BKE_effect.h"
#include "BKE_key.h"
#include "BKE_lamp.h"
#include "BKE_lattice.h"
#include "BKE_editmesh.h"
#include "BKE_object.h"
#include "BKE_particle.h"
#include "BKE_scene.h"
#include "BKE_material.h"
#include "BKE_image.h"

void BKE_object_handle_data_update(EvaluationContext *eval_ctx,
                                   Scene *scene,
                                   Object *ob)
{
	ID *data_id = (ID *)ob->data;
	AnimData *adt = BKE_animdata_from_id(data_id);
	Key *key;
	float ctime = BKE_scene_frame_get(scene);

	if (G.debug & G_DEBUG_DEPSGRAPH)
		printf("recalcdata %s\n", ob->id.name + 2);

	/* TODO(sergey): Only used by legacy depsgraph. */
	if (adt) {
		/* evaluate drivers - datalevel */
		/* XXX: for mesh types, should we push this to derivedmesh instead? */
		BKE_animsys_evaluate_animdata(scene, data_id, adt, ctime, ADT_RECALC_DRIVERS);
	}

	/* TODO(sergey): Only used by legacy depsgraph. */
	key = BKE_key_from_object(ob);
	if (key && key->block.first) {
		if (!(ob->shapeflag & OB_SHAPE_LOCK))
			BKE_animsys_evaluate_animdata(scene, &key->id, key->adt, ctime, ADT_RECALC_DRIVERS);
	}

	/* includes all keys and modifiers */
	switch (ob->type) {
		case OB_MESH:
		{
			BMEditMesh *em = (ob == scene->obedit) ? BKE_editmesh_from_object(ob) : NULL;
			uint64_t data_mask = scene->customdata_mask | CD_MASK_BAREMESH;
#ifdef WITH_FREESTYLE
			/* make sure Freestyle edge/face marks appear in DM for render (see T40315) */
			if (eval_ctx->mode != DAG_EVAL_VIEWPORT) {
				data_mask |= CD_MASK_FREESTYLE_EDGE | CD_MASK_FREESTYLE_FACE;
			}
#endif
			if (em) {
				makeDerivedMesh(scene, ob, em,  data_mask, 0); /* was CD_MASK_BAREMESH */
			}
			else {
				makeDerivedMesh(scene, ob, NULL, data_mask, 0);
			}
			break;
		}
		case OB_ARMATURE:
			if (ob->id.lib && ob->proxy_from) {
				if (BKE_pose_copy_result(ob->pose, ob->proxy_from->pose) == false) {
					printf("Proxy copy error, lib Object: %s proxy Object: %s\n",
					       ob->id.name + 2, ob->proxy_from->id.name + 2);
				}
			}
			else {
				BKE_pose_where_is(scene, ob);
			}
			break;

		case OB_MBALL:
			BKE_displist_make_mball(eval_ctx, scene, ob);
			break;

		case OB_CURVE:
		case OB_SURF:
		case OB_FONT:
			BKE_displist_make_curveTypes(scene, ob, 0);
			break;

		case OB_LATTICE:
			BKE_lattice_modifiers_calc(scene, ob);
			break;

		case OB_EMPTY:
			if (ob->empty_drawtype == OB_EMPTY_IMAGE && ob->data)
				if (BKE_image_is_animated(ob->data))
					BKE_image_user_check_frame_calc(ob->iuser, (int)ctime, 0);
			break;
	}

	/* related materials */
	/* XXX: without depsgraph tagging, this will always need to be run, which will be slow!
	 * However, not doing anything (or trying to hack around this lack) is not an option
	 * anymore, especially due to Cycles [#31834]
	 */
	if (ob->totcol) {
		int a;
		for (a = 1; a <= ob->totcol; a++) {
			Material *ma = give_current_material(ob, a);
			if (ma) {
				/* recursively update drivers for this material */
				material_drivers_update(scene, ma, ctime);
			}
		}
	}
	else if (ob->type == OB_LAMP)
		lamp_drivers_update(scene, ob->data, ctime);

	/* particles */
	if (ob != scene->obedit && ob->particlesystem.first) {
		ParticleSystem *tpsys, *psys;
		DerivedMesh *dm;
		ob->transflag &= ~OB_DUPLIPARTS;
		psys = ob->particlesystem.first;
		while (psys) {
			/* ensure this update always happens even if psys is disabled */
			if (psys->recalc & PSYS_RECALC_TYPE) {
				psys_changed_type(ob, psys);
			}

			if (psys_check_enabled(ob, psys)) {
				/* check use of dupli objects here */
				if (psys->part && (psys->part->draw_as == PART_DRAW_REND || eval_ctx->mode == DAG_EVAL_RENDER) &&
				    ((psys->part->ren_as == PART_DRAW_OB && psys->part->dup_ob) ||
				     (psys->part->ren_as == PART_DRAW_GR && psys->part->dup_group)))
				{
					ob->transflag |= OB_DUPLIPARTS;
				}

				particle_system_update(scene, ob, psys);
				psys = psys->next;
			}
			else if (psys->flag & PSYS_DELETE) {
				tpsys = psys->next;
				BLI_remlink(&ob->particlesystem, psys);
				psys_free(ob, psys);
				psys = tpsys;
			}
			else
				psys = psys->next;
		}

		if (eval_ctx->mode == DAG_EVAL_RENDER && ob->transflag & OB_DUPLIPARTS) {
			/* this is to make sure we get render level duplis in groups:
			 * the derivedmesh must be created before init_render_mesh,
			 * since object_duplilist does dupliparticles before that */
			dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH | CD_MASK_MTFACE | CD_MASK_MCOL);
			dm->release(dm);

			for (psys = ob->particlesystem.first; psys; psys = psys->next)
				psys_get_modifier(ob, psys)->flag &= ~eParticleSystemFlag_psys_updated;
		}
	}

	/* quick cache removed */
}