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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) 2005 by the Blender Foundation.
* All rights reserved.
*
* Contributor(s): Daniel Dunbar
* Ton Roosendaal,
* Ben Batt,
* Brecht Van Lommel,
* Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*
*/
/** \file blender/modifiers/intern/MOD_smoke.c
* \ingroup modifiers
*/
#include <stddef.h>
#include "MEM_guardedalloc.h"
#include "DNA_group_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_smoke_types.h"
#include "DNA_object_force.h"
#include "BLI_utildefines.h"
#include "BKE_cdderivedmesh.h"
#include "BKE_modifier.h"
#include "BKE_smoke.h"
#include "depsgraph_private.h"
static void initData(ModifierData *md)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
smd->domain = NULL;
smd->flow = NULL;
smd->coll = NULL;
smd->type = 0;
smd->time = -1;
}
static void copyData(ModifierData *md, ModifierData *target)
{
SmokeModifierData *smd = (SmokeModifierData *)md;
SmokeModifierData *tsmd = (SmokeModifierData *)target;
smokeModifier_copy(smd, tsmd);
}
static void freeData(ModifierData *md)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
smokeModifier_free(smd);
}
static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
{
SmokeModifierData *smd = (SmokeModifierData *)md;
CustomDataMask dataMask = 0;
if (smd && (smd->type & MOD_SMOKE_TYPE_FLOW) && smd->flow) {
if (smd->flow->source == MOD_SMOKE_FLOW_SOURCE_MESH) {
/* vertex groups */
if (smd->flow->vgroup_density)
dataMask |= CD_MASK_MDEFORMVERT;
/* uv layer */
if (smd->flow->texture_type == MOD_SMOKE_FLOW_TEXTURE_MAP_UV)
dataMask |= CD_MASK_MTFACE;
}
}
return dataMask;
}
static DerivedMesh *applyModifier(ModifierData *md, Object *ob,
DerivedMesh *dm,
ModifierApplyFlag flag)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
bool for_render = (flag & MOD_APPLY_RENDER) != 0;
if (flag & MOD_APPLY_ORCO)
return dm;
return smokeModifier_do(smd, md->scene, ob, dm, for_render);
}
static bool dependsOnTime(ModifierData *UNUSED(md))
{
return true;
}
static void updateDepgraph(ModifierData *md, DagForest *forest,
struct Scene *scene, struct Object *ob,
DagNode *obNode)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
Base *base;
if (smd && (smd->type & MOD_SMOKE_TYPE_DOMAIN) && smd->domain) {
if (smd->domain->fluid_group || smd->domain->coll_group) {
GroupObject *go = NULL;
if (smd->domain->fluid_group)
for (go = smd->domain->fluid_group->gobject.first; go; go = go->next) {
if (go->ob) {
SmokeModifierData *smd2 = (SmokeModifierData *)modifiers_findByType(go->ob, eModifierType_Smoke);
/* check for initialized smoke object */
if (smd2 && (smd2->type & MOD_SMOKE_TYPE_FLOW) && smd2->flow) {
DagNode *curNode = dag_get_node(forest, go->ob);
dag_add_relation(forest, curNode, obNode, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Smoke Flow");
}
}
}
if (smd->domain->coll_group)
for (go = smd->domain->coll_group->gobject.first; go; go = go->next) {
if (go->ob) {
SmokeModifierData *smd2 = (SmokeModifierData *)modifiers_findByType(go->ob, eModifierType_Smoke);
/* check for initialized smoke object */
if (smd2 && (smd2->type & MOD_SMOKE_TYPE_COLL) && smd2->coll) {
DagNode *curNode = dag_get_node(forest, go->ob);
dag_add_relation(forest, curNode, obNode, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Smoke Coll");
}
}
}
}
else {
base = scene->base.first;
for (; base; base = base->next) {
SmokeModifierData *smd2 = (SmokeModifierData *)modifiers_findByType(base->object, eModifierType_Smoke);
if (smd2 && (((smd2->type & MOD_SMOKE_TYPE_FLOW) && smd2->flow) || ((smd2->type & MOD_SMOKE_TYPE_COLL) && smd2->coll))) {
DagNode *curNode = dag_get_node(forest, base->object);
dag_add_relation(forest, curNode, obNode, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Smoke Flow/Coll");
}
}
}
/* add relation to all "smoke flow" force fields */
base = scene->base.first;
for (; base; base = base->next) {
if (base->object->pd && base->object->pd->forcefield == PFIELD_SMOKEFLOW && base->object->pd->f_source == ob) {
DagNode *node2 = dag_get_node(forest, base->object);
dag_add_relation(forest, obNode, node2, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Field Source Object");
}
}
}
}
static void foreachIDLink(ModifierData *md, Object *ob,
IDWalkFunc walk, void *userData)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
if (smd->type == MOD_SMOKE_TYPE_DOMAIN && smd->domain) {
walk(userData, ob, (ID **)&smd->domain->coll_group);
walk(userData, ob, (ID **)&smd->domain->fluid_group);
walk(userData, ob, (ID **)&smd->domain->eff_group);
if (smd->domain->effector_weights) {
walk(userData, ob, (ID **)&smd->domain->effector_weights->group);
}
}
if (smd->type == MOD_SMOKE_TYPE_FLOW && smd->flow) {
walk(userData, ob, (ID **)&smd->flow->noise_texture);
}
}
ModifierTypeInfo modifierType_Smoke = {
/* name */ "Smoke",
/* structName */ "SmokeModifierData",
/* structSize */ sizeof(SmokeModifierData),
/* type */ eModifierTypeType_Constructive,
/* flags */ eModifierTypeFlag_AcceptsMesh |
eModifierTypeFlag_UsesPointCache |
eModifierTypeFlag_Single,
/* copyData */ copyData,
/* deformVerts */ NULL,
/* deformMatrices */ NULL,
/* deformVertsEM */ NULL,
/* deformMatricesEM */ NULL,
/* applyModifier */ applyModifier,
/* applyModifierEM */ NULL,
/* initData */ initData,
/* requiredDataMask */ requiredDataMask,
/* freeData */ freeData,
/* isDisabled */ NULL,
/* updateDepgraph */ updateDepgraph,
/* dependsOnTime */ dependsOnTime,
/* dependsOnNormals */ NULL,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ foreachIDLink,
/* foreachTexLink */ NULL
};
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