physics_fluid.c File Reference

#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "MEM_guardedalloc.h"
#include "DNA_anim_types.h"
#include "DNA_action_types.h"
#include "DNA_object_types.h"
#include "DNA_object_fluidsim.h"
#include "BLI_blenlib.h"
#include "BLI_fileops.h"
#include "BLI_threads.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BKE_animsys.h"
#include "BKE_armature.h"
#include "BKE_blender.h"
#include "BKE_context.h"
#include "BKE_customdata.h"
#include "BKE_DerivedMesh.h"
#include "BKE_displist.h"
#include "BKE_effect.h"
#include "BKE_fluidsim.h"
#include "BKE_global.h"
#include "BKE_ipo.h"
#include "BKE_key.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_softbody.h"
#include "BKE_unit.h"
#include "LBM_fluidsim.h"
#include "ED_screen.h"
#include "ED_fluidsim.h"
#include "WM_types.h"
#include "WM_api.h"
#include "physics_intern.h"
#include "DNA_scene_types.h"
#include "DNA_ipo_types.h"
#include "DNA_mesh_types.h"
#include "PIL_time.h"

Go to the source code of this file.

Classes
struct	FluidAnimChannels
struct	FluidObject
struct	FluidBakeJob
Defines
#define	CHANNEL_FLOAT   1
#define	CHANNEL_VEC   3
#define	FLUID_SUFFIX_CONFIG   "fluidsim.cfg"
#define	FLUID_SUFFIX_SURFACE   "fluidsurface"
Typedefs
typedef struct FluidAnimChannels	FluidAnimChannels
typedef struct FluidObject	FluidObject
typedef struct FluidBakeJob	FluidBakeJob
Functions
static float	get_fluid_viscosity (FluidsimSettings *settings)
static void	get_fluid_gravity (float *gravity, Scene *scene, FluidsimSettings *fss)
static float	get_fluid_size_m (Scene *scene, Object *domainob, FluidsimSettings *fss)
static int	fluid_is_animated_mesh (FluidsimSettings *fss)
static void	init_time (FluidsimSettings *domainSettings, FluidAnimChannels *channels)
static void	set_channel (float *channel, float time, float *value, int i, int size)
static void	set_vertex_channel (float *channel, float time, struct Scene *scene, struct FluidObject *fobj, int i)
static void	free_domain_channels (FluidAnimChannels *channels)
static void	free_all_fluidobject_channels (ListBase *fobjects)
static void	fluid_init_all_channels (bContext *C, Object *UNUSED(fsDomain), FluidsimSettings *domainSettings, FluidAnimChannels *channels, ListBase *fobjects)
static void	export_fluid_objects (ListBase *fobjects, Scene *scene, int length)
static int	fluid_validate_scene (ReportList *reports, Scene *scene, Object *fsDomain)
static int	fluid_init_filepaths (Object *fsDomain, char *targetDir, char *targetFile, char *debugStrBuffer)
static void	fluidbake_free (void *customdata)
static int	fluidbake_breakjob (void *customdata)
static void	fluidbake_updatejob (void *customdata, float progress)
static void	fluidbake_startjob (void *customdata, short *stop, short *do_update, float *progress)
static void	fluidbake_endjob (void *customdata)
int	runSimulationCallback (void *data, int status, int frame)
static void	fluidbake_free_data (FluidAnimChannels *channels, ListBase *fobjects, elbeemSimulationSettings *fsset, FluidBakeJob *fb)
static void	fluidsim_delete_until_lastframe (FluidsimSettings *fss)
static int	fluidsimBake (bContext *C, ReportList *reports, Object *fsDomain)
void	fluidsimFreeBake (Object *UNUSED(ob))
static int	fluid_bake_exec (bContext *C, wmOperator *op)
void	FLUID_OT_bake (wmOperatorType *ot)

---

Detailed Description

Definition in file physics_fluid.c.

---

Define Documentation

#define CHANNEL_FLOAT   1

Definition at line 199 of file physics_fluid.c.

Referenced by fluid_init_all_channels(), and set_channel().

#define CHANNEL_VEC   3

Definition at line 200 of file physics_fluid.c.

Referenced by fluid_init_all_channels(), and set_channel().

#define FLUID_SUFFIX_CONFIG   "fluidsim.cfg"

Definition at line 639 of file physics_fluid.c.

Referenced by fluid_init_filepaths(), and fluidsimBake().

#define FLUID_SUFFIX_SURFACE   "fluidsurface"

Definition at line 640 of file physics_fluid.c.

Referenced by fluidsimBake().

---

Typedef Documentation

typedef struct FluidAnimChannels FluidAnimChannels

typedef struct FluidBakeJob FluidBakeJob

typedef struct FluidObject FluidObject

---

Function Documentation

static void export_fluid_objects	(	ListBase *	fobjects,
		Scene *	scene,
		int	length
	)		[static]

Definition at line 482 of file physics_fluid.c.

References FluidObject::Active, FluidObject::AttractforceRadius, FluidObject::AttractforceStrength, elbeemMesh::channelActive, elbeemMesh::channelAttractforceRadius, elbeemMesh::channelAttractforceStrength, elbeemMesh::channelInitialVel, elbeemMesh::channelRotation, elbeemMesh::channelScale, elbeemMesh::channelSizeActive, elbeemMesh::channelSizeAttractforceRadius, elbeemMesh::channelSizeAttractforceStrength, elbeemMesh::channelSizeInitialVel, elbeemMesh::channelSizeRotation, elbeemMesh::channelSizeScale, elbeemMesh::channelSizeTranslation, elbeemMesh::channelSizeVelocityforceRadius, elbeemMesh::channelSizeVelocityforceStrength, elbeemMesh::channelSizeVertices, elbeemMesh::channelTranslation, elbeemMesh::channelVelocityforceRadius, elbeemMesh::channelVelocityforceStrength, elbeemMesh::channelVertices, elbeemMesh::cpsQuality, elbeemMesh::cpsTimeEnd, elbeemMesh::cpsTimeStart, elbeemAddMesh(), elbeemResetMesh(), ELEM, eModifierType_Fluidsim, ListBase::first, fluid_is_animated_mesh(), FLUIDSIM_OBSTACLE_FREESLIP, FLUIDSIM_OBSTACLE_NOSLIP, FLUIDSIM_OBSTACLE_PARTSLIP, Object::id, initElbeemMesh(), FluidObject::InitialVelocity, length(), elbeemMesh::localInivelCoords, MEM_freeN(), modifiers_findByType(), modifiers_indexInObject(), ID::name, elbeemMesh::name, FluidObject::next, NULL, elbeemMesh::numTriangles, elbeemMesh::numVertices, OB_FLUIDSIM_CONTROL, OB_FLUIDSIM_DOMAIN, OB_FLUIDSIM_FLUID, OB_FLUIDSIM_INFLOW, OB_FLUIDSIM_PARTICLE, OB_FLUIDSIM_REVERSE, OB_FSBND_FREESLIP, OB_FSBND_NOSLIP, OB_FSBND_PARTSLIP, OB_FSINFLOW_LOCALCOORD, FluidObject::object, elbeemMesh::obstacleImpactFactor, elbeemMesh::obstaclePartslip, elbeemMesh::obstacleType, FluidObject::Rotation, FluidObject::Scale, FluidObject::Translation, elbeemMesh::triangles, ModifierData::type, elbeemMesh::type, FluidObject::VelocityforceRadius, FluidObject::VelocityforceStrength, FluidObject::VertexCache, elbeemMesh::vertices, and elbeemMesh::volumeInitType.

Referenced by fluidsimBake().

static int fluid_bake_exec	(	bContext *	C,
		wmOperator *	op
	)		[static]

Definition at line 1139 of file physics_fluid.c.

References CTX_data_active_object(), CTX_data_scene(), CTX_wm_manager(), fluidsimBake(), OPERATOR_CANCELLED, OPERATOR_FINISHED, wmOperator::reports, and WM_jobs_test().

Referenced by FLUID_OT_bake().

static void fluid_init_all_channels	(	bContext *	C,
		Object *	UNUSEDfsDomain,
		FluidsimSettings *	domainSettings,
		FluidAnimChannels *	channels,
		ListBase *	fobjects
	)		[static]

Definition at line 353 of file physics_fluid.c.

References FluidObject::Active, FluidsimSettings::attractforceRadius, FluidObject::AttractforceRadius, FluidsimSettings::attractforceStrength, FluidObject::AttractforceStrength, FluidsimSettings::bakeStart, Scene::base, BLI_addtail(), RenderData::cfra, CHANNEL_FLOAT, CHANNEL_VEC, copy_v3_v3(), CTX_data_main(), CTX_data_scene(), CTX_wm_screen(), FluidAnimChannels::DomainGravity, FluidAnimChannels::DomainViscosity, ED_update_for_newframe(), ELEM, eModifierType_Fluidsim, ListBase::first, FluidsimSettings::flag, fluid_is_animated_mesh(), FluidsimModifierData::fss, get_fluid_gravity(), get_fluid_viscosity(), i, init_time(), initElbeemMesh(), FluidObject::InitialVelocity, FluidsimSettings::iniVelx, FluidAnimChannels::length, length(), Object::loc, M_PI, mat4_to_compatible_eulO(), MEM_callocN(), MEM_freeN(), modifiers_findByType(), modifiers_indexInObject(), mul_v3_fl(), Base::next, FluidObject::next, NULL, FluidObject::numTris, FluidObject::numVerts, OB_FLUIDSIM_ACTIVE, OB_FLUIDSIM_CONTROL, OB_FLUIDSIM_DOMAIN, OB_FLUIDSIM_PARTICLE, Base::object, FluidObject::object, Object::obmat, Scene::r, FluidObject::Rotation, FluidObject::Scale, set_channel(), set_vertex_channel(), Object::size, FluidAnimChannels::timeAtFrame, FluidObject::Translation, FluidsimSettings::type, FluidsimSettings::velocityforceRadius, FluidObject::VelocityforceRadius, FluidsimSettings::velocityforceStrength, FluidObject::VelocityforceStrength, and FluidObject::VertexCache.

Referenced by fluidsimBake().

static int fluid_init_filepaths	(	Object *	fsDomain,
		char *	targetDir,
		char *	targetFile,
		char *	debugStrBuffer
	)		[static]

Definition at line 642 of file physics_fluid.c.

References BLI_delete(), BLI_make_existing_file(), BLI_path_abs(), BLI_replace_extension(), BLI_snprintf(), BLI_splitdirstring(), BLI_strncpy(), elbeemDebugOut(), eModifierType_Fluidsim, FILE_MAXDIR, FILE_MAXFILE, FLUID_SUFFIX_CONFIG, FluidsimModifierData::fss, G, Object::id, Global::main, modifiers_findByType(), Main::name, ID::name, pupmenu(), and FluidsimSettings::surfdataPath.

Referenced by fluidsimBake().

static int fluid_is_animated_mesh

(

FluidsimSettings *

fss

)

[static]

Definition at line 148 of file physics_fluid.c.

References FluidsimSettings::domainNovecgen, OB_FLUIDSIM_CONTROL, and FluidsimSettings::type.

Referenced by export_fluid_objects(), and fluid_init_all_channels().

void FLUID_OT_bake

(

wmOperatorType *

ot

)

Definition at line 1151 of file physics_fluid.c.

References wmOperatorType::description, ED_operator_object_active_editable(), wmOperatorType::exec, fluid_bake_exec(), wmOperatorType::idname, wmOperatorType::name, and wmOperatorType::poll.

Referenced by operatortypes_fluid().

static int fluid_validate_scene	(	ReportList *	reports,
		Scene *	scene,
		Object *	fsDomain
	)		[static]

Definition at line 581 of file physics_fluid.c.

References Scene::base, BKE_report(), ELEM, eModifierType_Fluidsim, ListBase::first, FluidsimModifierData::fss, modifiers_findByType(), Base::next, NULL, OB_FLUIDSIM_DOMAIN, OB_FLUIDSIM_FLUID, OB_FLUIDSIM_INFLOW, OB_FLUIDSIM_PARTICLE, OB_MESH, Base::object, RPT_ERROR, FluidsimSettings::type, and Object::type.

Referenced by fluidsimBake().

static int fluidbake_breakjob

(

void *

customdata

)

[static]

Definition at line 730 of file physics_fluid.c.

References Global::afbreek, fb(), G, and FluidBakeJob::stop.

Referenced by runSimulationCallback().

static void fluidbake_endjob

(

void *

customdata

)

[static]

Definition at line 767 of file physics_fluid.c.

References fb(), MEM_freeN(), NULL, and FluidBakeJob::settings.

Referenced by fluidsimBake().

static void fluidbake_free

(

void *

customdata

)

[static]

Definition at line 723 of file physics_fluid.c.

References fb(), and MEM_freeN().

Referenced by fluidsimBake().

static void fluidbake_free_data	(	FluidAnimChannels *	channels,
		ListBase *	fobjects,
		elbeemSimulationSettings *	fsset,
		FluidBakeJob *	fb
	)		[static]

Definition at line 793 of file physics_fluid.c.

References BLI_freelistN(), free_all_fluidobject_channels(), free_domain_channels(), MEM_freeN(), and NULL.

Referenced by fluidsimBake().

static void fluidbake_startjob	(	void *	customdata,
		short *	stop,
		short *	do_update,
		float *	progress
	)		[static]

Definition at line 752 of file physics_fluid.c.

References Global::afbreek, FluidBakeJob::do_update, elbeemSimulate(), fb(), G, FluidBakeJob::progress, and FluidBakeJob::stop.

Referenced by fluidsimBake().

static void fluidbake_updatejob	(	void *	customdata,
		float	progress
	)		[static]

Definition at line 744 of file physics_fluid.c.

References FluidBakeJob::do_update, fb(), and FluidBakeJob::progress.

Referenced by runSimulationCallback().

static void fluidsim_delete_until_lastframe

(

FluidsimSettings *

fss

)

[static]

Definition at line 816 of file physics_fluid.c.

References BLI_delete(), BLI_exist(), BLI_path_abs(), BLI_path_frame(), BLI_snprintf(), BLI_strncpy(), FILE_MAXDIR, FILE_MAXFILE, G, Global::main, Main::name, and FluidsimSettings::surfdataPath.

Referenced by fluidsimBake().

static int fluidsimBake	(	bContext *	C,
		ReportList *	reports,
		Object *	fsDomain
	)		[static]

Definition at line 853 of file physics_fluid.c.

References elbeemSimulationSettings::aniFrameTime, FluidAnimChannels::aniFrameTime, FluidsimSettings::animEnd, elbeemSimulationSettings::animStart, FluidsimSettings::animStart, FluidsimSettings::bakeEnd, FluidsimSettings::bakeStart, FluidsimSettings::bbSize, FluidsimSettings::bbStart, BKE_report(), BLI_make_existing_file(), BLI_snprintf(), BLI_strncpy(), RenderData::cfra, elbeemSimulationSettings::channelFrameTime, elbeemSimulationSettings::channelGravity, elbeemSimulationSettings::channelSizeFrameTime, elbeemSimulationSettings::channelSizeGravity, elbeemSimulationSettings::channelSizeViscosity, elbeemSimulationSettings::channelViscosity, copy_m4_m4(), copy_v3_v3(), CTX_data_main(), CTX_data_scene(), CTX_wm_manager(), CTX_wm_screen(), CTX_wm_window(), Object::data, FluidAnimChannels::DomainGravity, FluidsimSettings::domainNovecgen, elbeemSimulationSettings::domainobsPartslip, elbeemSimulationSettings::domainobsType, FluidAnimChannels::DomainTime, FluidAnimChannels::DomainViscosity, ED_update_for_newframe(), RenderData::efra, elbeemAddDomain(), elbeemDebugOut(), elbeemInit(), elbeemResetSettings(), elbeemSetDebugLevel(), eModifierType_Fluidsim, export_fluid_objects(), elbeemSimulationSettings::farFieldSize, FluidsimSettings::farFieldSize, fb(), FILE_MAXDIR, FILE_MAXFILE, fluid_get_bb(), fluid_init_all_channels(), fluid_init_filepaths(), FLUID_SUFFIX_CONFIG, FLUID_SUFFIX_SURFACE, fluid_validate_scene(), fluidbake_endjob(), fluidbake_free(), fluidbake_free_data(), fluidbake_startjob(), fluidsim_delete_until_lastframe(), FLUIDSIM_FSSG_NOOBS, FLUIDSIM_OBSTACLE_FREESLIP, FLUIDSIM_OBSTACLE_NOSLIP, FLUIDSIM_OBSTACLE_PARTSLIP, FluidsimModifierData::fss, elbeemSimulationSettings::generateParticles, FluidsimSettings::generateParticles, FluidsimSettings::generateTracers, elbeemSimulationSettings::generateVertexVectors, elbeemSimulationSettings::geoSize, elbeemSimulationSettings::geoStart, get_fluid_gravity(), get_fluid_size_m(), get_fluid_viscosity(), elbeemSimulationSettings::gravity, elbeemSimulationSettings::gstar, FluidsimSettings::gstar, i, Object::id, invert_m4_m4(), FluidsimSettings::lastgoodframe, FluidAnimChannels::length, elbeemSimulationSettings::maxRefine, FluidsimSettings::maxRefine, MEM_callocN(), elbeemSimulationSettings::mFsSurfGenSetting, modifiers_findByType(), Mesh::mvert, ID::name, NC_SCENE, ND_FRAME, elbeemSimulationSettings::noOfFrames, NULL, elbeemSimulationSettings::numTracerParticles, OB_FSBND_FREESLIP, OB_FSBND_NOSLIP, OB_FSBND_PARTSLIP, OB_FSSG_NOOBS, Object::obmat, elbeemSimulationSettings::outputPath, FluidsimSettings::partSlipValue, elbeemSimulationSettings::previewresxyz, FluidsimSettings::previewresxyz, Scene::r, elbeemSimulationSettings::realsize, elbeemSimulationSettings::resolutionxyz, FluidsimSettings::resolutionxyz, RPT_ERROR, elbeemSimulationSettings::runsimCallback, runSimulationCallback(), elbeemSimulationSettings::runsimUserData, FluidBakeJob::settings, elbeemSimulationSettings::surfaceSmoothing, FluidsimSettings::surfaceSmoothing, elbeemSimulationSettings::surfaceSubdivs, FluidsimSettings::surfaceSubdivs, elbeemSimulationSettings::surfaceTrafo, Mesh::totvert, FluidsimSettings::typeFlags, elbeemSimulationSettings::version, elbeemSimulationSettings::viscosity, WM_JOB_PROGRESS, WM_jobs_callbacks(), WM_jobs_customdata(), WM_jobs_get(), WM_jobs_start(), and WM_jobs_timer().

Referenced by fluid_bake_exec().

void fluidsimFreeBake

(

Object *

UNUSEDob

)

Definition at line 1106 of file physics_fluid.c.

static void free_all_fluidobject_channels

(

ListBase *

fobjects

)

[static]

Definition at line 317 of file physics_fluid.c.

References FluidObject::Active, FluidObject::AttractforceRadius, FluidObject::AttractforceStrength, ListBase::first, FluidObject::InitialVelocity, MEM_freeN(), FluidObject::next, NULL, FluidObject::Rotation, FluidObject::Scale, FluidObject::Translation, FluidObject::VelocityforceRadius, FluidObject::VelocityforceStrength, and FluidObject::VertexCache.

Referenced by fluidbake_free_data().

static void free_domain_channels

(

FluidAnimChannels *

channels

)

[static]

Definition at line 305 of file physics_fluid.c.

References FluidAnimChannels::DomainGravity, FluidAnimChannels::DomainViscosity, MEM_freeN(), NULL, and FluidAnimChannels::timeAtFrame.

Referenced by fluidbake_free_data().

static void get_fluid_gravity	(	float *	gravity,
		Scene *	scene,
		FluidsimSettings *	fss
	)		[static]

Definition at line 124 of file physics_fluid.c.

References copy_v3_v3(), PhysicsSettings::flag, FluidsimSettings::grav, PhysicsSettings::gravity, PHYS_GLOBAL_GRAVITY, and Scene::physics_settings.

Referenced by fluid_init_all_channels(), and fluidsimBake().

static float get_fluid_size_m	(	Scene *	scene,
		Object *	domainob,
		FluidsimSettings *	fss
	)		[static]

Definition at line 133 of file physics_fluid.c.

References MAX3(), object_get_dimensions(), FluidsimSettings::realsize, UnitSettings::scale_length, UnitSettings::system, and Scene::unit.

Referenced by fluidsimBake().

static float get_fluid_viscosity

(

FluidsimSettings *

settings

)

[static]

Definition at line 107 of file physics_fluid.c.

References pow(), FluidsimSettings::viscosityExponent, FluidsimSettings::viscosityMode, and FluidsimSettings::viscosityValue.

Referenced by fluid_init_all_channels(), and fluidsimBake().

static void init_time	(	FluidsimSettings *	domainSettings,
		FluidAnimChannels *	channels
	)		[static]

Definition at line 245 of file physics_fluid.c.

References FluidAnimChannels::aniFrameTime, FluidsimSettings::animStart, i, FluidAnimChannels::length, MEM_callocN(), and FluidAnimChannels::timeAtFrame.

Referenced by fluid_init_all_channels().

int runSimulationCallback	(	void *	data,
		int	status,
		int	frame
	)

Definition at line 777 of file physics_fluid.c.

References fb(), fluidbake_breakjob(), fluidbake_updatejob(), FLUIDSIM_CBRET_ABORT, FLUIDSIM_CBRET_CONTINUE, FLUIDSIM_CBSTATUS_NEWFRAME, elbeemSimulationSettings::noOfFrames, and FluidBakeJob::settings.

Referenced by fluidsimBake().

static void set_channel	(	float *	channel,
		float	time,
		float *	value,
		int	i,
		int	size
	)		[static]

Definition at line 259 of file physics_fluid.c.

References CHANNEL_FLOAT, and CHANNEL_VEC.

Referenced by fluid_init_all_channels().

static void set_vertex_channel	(	float *	channel,
		float	time,
		struct Scene *	scene,
		struct FluidObject *	fobj,
		int	i
	)		[static]

Definition at line 273 of file physics_fluid.c.

References eModifierType_Fluidsim, initElbeemMesh(), MEM_freeN(), modifiers_findByType(), modifiers_indexInObject(), NULL, FluidObject::numVerts, and FluidObject::object.

Referenced by fluid_init_all_channels().