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/*
* 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) 2004-2005 by Blender Foundation
* All rights reserved.
*/
/** \file
* \ingroup DNA
*/
#pragma once
#include "DNA_ID.h"
#include "DNA_defs.h"
#ifdef __cplusplus
extern "C" {
#endif
struct Ipo;
typedef struct FluidVertexVelocity {
float vel[3];
} FluidVertexVelocity;
typedef struct FluidsimSettings {
/** For fast RNA access. */
struct FluidsimModifierData *fmd;
/* threadcont the calculation is done with */
int threads;
char _pad1[4];
/* domain, fluid or obstacle */
short type;
/* Display advanced options in fluid sim tab (on=1, off=0). */
short show_advancedoptions;
/* domain object settings */
/* resolutions */
short resolutionxyz;
short previewresxyz;
/* size of the domain in real units (meters along largest resolution x, y, z extent) */
float realsize;
/* show original meshes, preview or final sim */
short guiDisplayMode;
short renderDisplayMode;
/* fluid properties */
float viscosityValue;
short viscosityMode DNA_DEPRECATED;
short viscosityExponent;
/* gravity strength */
float grav[3];
/* anim start end time (in seconds) */
float animStart, animEnd;
/* bake start end time (in blender frames) */
int bakeStart, bakeEnd;
/* offset for baked frames */
int frameOffset;
char _pad2[4];
/* g star param (LBM compressibility) */
float gstar;
/* activate refinement? */
int maxRefine;
/* fluid object type settings */
/* gravity strength */
float iniVelx, iniVely, iniVelz;
/* store output path, and file prefix for baked fluid surface */
/* strlens; 256= FILE_MAXFILE, 768= FILE_MAXDIR */
char surfdataPath[1024];
/* store start coords of axis aligned bounding box together with size */
/* values are inited during derived mesh display */
float bbStart[3], bbSize[3];
/* animated params */
struct Ipo *ipo;
/* additional flags depending on the type, lower short contains flags
* to check validity, higher short additional flags */
short typeFlags;
/**
* Switch off velocity generation,
* volume init type for fluid/obstacles (volume=1, shell=2, both=3).
*/
char domainNovecgen, volumeInitType;
/* boundary "stickiness" for part slip values */
float partSlipValue;
/* number of tracers to generate */
int generateTracers;
/* particle generation - on if >0, then determines amount (experimental...) */
float generateParticles;
/* smooth fluid surface? */
float surfaceSmoothing;
/** Number of surface subdivisions. */
int surfaceSubdivs;
/** GUI flags. */
int flag;
/** Particle display - size scaling, and alpha influence. */
float particleInfSize, particleInfAlpha;
/* testing vars */
float farFieldSize;
/** Vertex velocities of simulated fluid mesh. */
struct FluidVertexVelocity *meshVelocities;
/** Number of vertices in simulated fluid mesh. */
int totvert;
/* Fluid control settings */
float cpsTimeStart;
float cpsTimeEnd;
float cpsQuality;
float attractforceStrength;
float attractforceRadius;
float velocityforceStrength;
float velocityforceRadius;
int lastgoodframe;
/** Simulation/flow rate control (i.e. old "Fac-Time"). */
float animRate;
} FluidsimSettings;
/* ob->fluidsimSettings defines */
#define OB_FLUIDSIM_ENABLE 1
#define OB_FLUIDSIM_DOMAIN 2
#define OB_FLUIDSIM_FLUID 4
#define OB_FLUIDSIM_OBSTACLE 8
#define OB_FLUIDSIM_INFLOW 16
#define OB_FLUIDSIM_OUTFLOW 32
#define OB_FLUIDSIM_PARTICLE 64
#define OB_FLUIDSIM_CONTROL 128
#define OB_TYPEFLAG_START 7
#define OB_FSGEO_THIN (1 << (OB_TYPEFLAG_START + 1))
#define OB_FSBND_NOSLIP (1 << (OB_TYPEFLAG_START + 2))
#define OB_FSBND_PARTSLIP (1 << (OB_TYPEFLAG_START + 3))
#define OB_FSBND_FREESLIP (1 << (OB_TYPEFLAG_START + 4))
#define OB_FSINFLOW_LOCALCOORD (1 << (OB_TYPEFLAG_START + 5))
/* surface generation flag (part of enabling chapter 6 of
* "Free Surface Flows with Moving and Deforming Objects for LBM") */
#define OB_FSSG_NOOBS (1 << (OB_TYPEFLAG_START + 6))
// guiDisplayMode particle flags
#define OB_FSDOM_GEOM 1
#define OB_FSDOM_PREVIEW 2
#define OB_FSDOM_FINAL 3
#define OB_FSPART_BUBBLE (1 << 1)
#define OB_FSPART_DROP (1 << 2)
#define OB_FSPART_NEWPART (1 << 3)
#define OB_FSPART_FLOAT (1 << 4)
#define OB_FSPART_TRACER (1 << 5)
// new fluid bit flags for fss->flags
#define OB_FLUIDSIM_REVERSE (1 << 0)
#define OB_FLUIDSIM_ACTIVE (1 << 1)
#define OB_FLUIDSIM_OVERRIDE_TIME (1 << 2)
#ifdef __cplusplus
}
#endif
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