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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_types.h"
#include "BLI_utildefines.h"
#include "BKE_cdderivedmesh.h"
#include "BKE_library.h"
#include "BKE_library_query.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_smoke.h"
#include "depsgraph_private.h"
#include "DEG_depsgraph_build.h"
#include "MOD_modifiertypes.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(const ModifierData *md, ModifierData *target)
{
const SmokeModifierData *smd = (const 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;
if (flag & MOD_APPLY_ORCO)
return dm;
return smokeModifier_do(smd, md->scene, ob, dm);
}
static bool dependsOnTime(ModifierData *UNUSED(md))
{
return true;
}
static bool is_flow_cb(Object *UNUSED(ob), ModifierData *md)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
return (smd->type & MOD_SMOKE_TYPE_FLOW) && smd->flow;
}
static bool is_coll_cb(Object *UNUSED(ob), ModifierData *md)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
return (smd->type & MOD_SMOKE_TYPE_COLL) && smd->coll;
}
static void updateDepgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
{
SmokeModifierData *smd = (SmokeModifierData *) md;
if (smd && (smd->type & MOD_SMOKE_TYPE_DOMAIN) && smd->domain) {
/* Actual code uses get_collisionobjects */
#ifdef WITH_LEGACY_DEPSGRAPH
dag_add_collision_relations(ctx->forest, ctx->scene, ctx->object, ctx->obNode, smd->domain->fluid_group, ctx->object->lay|ctx->scene->lay, eModifierType_Smoke, is_flow_cb, true, "Smoke Flow");
dag_add_collision_relations(ctx->forest, ctx->scene, ctx->object, ctx->obNode, smd->domain->coll_group, ctx->object->lay|ctx->scene->lay, eModifierType_Smoke, is_coll_cb, true, "Smoke Coll");
dag_add_forcefield_relations(ctx->forest, ctx->scene, ctx->object, ctx->obNode, smd->domain->effector_weights, true, PFIELD_SMOKEFLOW, "Smoke Force Field");
#else
(void)ctx;
#endif
}
}
static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
{
SmokeModifierData *smd = (SmokeModifierData *)md;
if (smd && (smd->type & MOD_SMOKE_TYPE_DOMAIN) && smd->domain) {
/* Actual code uses get_collisionobjects */
DEG_add_collision_relations(ctx->node, ctx->scene, ctx->object, smd->domain->fluid_group, ctx->object->lay|ctx->scene->lay, eModifierType_Smoke, is_flow_cb, true, "Smoke Flow");
DEG_add_collision_relations(ctx->node, ctx->scene, ctx->object, smd->domain->coll_group, ctx->object->lay|ctx->scene->lay, eModifierType_Smoke, is_coll_cb, true, "Smoke Coll");
DEG_add_forcefield_relations(ctx->node, ctx->scene, ctx->object, smd->domain->effector_weights, true, PFIELD_SMOKEFLOW, "Smoke Force Field");
}
}
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, IDWALK_CB_NOP);
walk(userData, ob, (ID **)&smd->domain->fluid_group, IDWALK_CB_NOP);
walk(userData, ob, (ID **)&smd->domain->eff_group, IDWALK_CB_NOP);
if (smd->domain->effector_weights) {
walk(userData, ob, (ID **)&smd->domain->effector_weights->group, IDWALK_CB_NOP);
}
}
if (smd->type == MOD_SMOKE_TYPE_FLOW && smd->flow) {
walk(userData, ob, (ID **)&smd->flow->noise_texture, IDWALK_CB_USER);
}
}
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,
/* updateDepsgraph */ updateDepsgraph,
/* dependsOnTime */ dependsOnTime,
/* dependsOnNormals */ NULL,
/* foreachObjectLink */ NULL,
/* foreachIDLink */ foreachIDLink,
/* foreachTexLink */ NULL
};
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