165 lines
4.4 KiB
C
165 lines
4.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2004-2005 Blender Foundation. All rights reserved. */
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/** \file
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* \ingroup DNA
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*/
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#pragma once
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#include "DNA_ID.h"
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#include "DNA_defs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct Ipo;
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typedef struct FluidVertexVelocity {
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float vel[3];
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} FluidVertexVelocity;
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typedef struct FluidsimSettings {
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/** For fast RNA access. */
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struct FluidsimModifierData *fmd;
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/* threadcont the calculation is done with */
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int threads;
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char _pad1[4];
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/* domain, fluid or obstacle */
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short type;
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/* Display advanced options in fluid sim tab (on=1, off=0). */
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short show_advancedoptions;
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/* domain object settings */
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/* resolutions */
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short resolutionxyz;
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short previewresxyz;
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/* size of the domain in real units (meters along largest resolution x, y, z extent) */
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float realsize;
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/* show original meshes, preview or final sim */
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short guiDisplayMode;
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short renderDisplayMode;
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/* fluid properties */
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float viscosityValue;
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short viscosityMode DNA_DEPRECATED;
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short viscosityExponent;
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/* gravity strength */
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float grav[3];
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/* anim start end time (in seconds) */
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float animStart, animEnd;
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/* bake start end time (in blender frames) */
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int bakeStart, bakeEnd;
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/* offset for baked frames */
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int frameOffset;
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char _pad2[4];
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/* g star param (LBM compressibility) */
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float gstar;
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/* activate refinement? */
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int maxRefine;
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/* fluid object type settings */
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/* gravity strength */
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float iniVelx, iniVely, iniVelz;
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/* store output path, and file prefix for baked fluid surface */
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/* strlens; 256= FILE_MAXFILE, 768= FILE_MAXDIR */
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char surfdataPath[1024];
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/* store start coords of axis aligned bounding box together with size */
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/* values are inited during derived mesh display */
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float bbStart[3], bbSize[3];
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/* animated params */
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struct Ipo *ipo;
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/* additional flags depending on the type, lower short contains flags
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* to check validity, higher short additional flags */
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short typeFlags;
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/**
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* Switch off velocity generation,
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* volume init type for fluid/obstacles (volume=1, shell=2, both=3).
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*/
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char domainNovecgen, volumeInitType;
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/* boundary "stickiness" for part slip values */
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float partSlipValue;
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/* number of tracers to generate */
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int generateTracers;
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/* particle generation - on if >0, then determines amount (experimental...) */
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float generateParticles;
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/* smooth fluid surface? */
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float surfaceSmoothing;
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/** Number of surface subdivisions. */
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int surfaceSubdivs;
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/** GUI flags. */
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int flag;
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/** Particle display - size scaling, and alpha influence. */
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float particleInfSize, particleInfAlpha;
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/* testing vars */
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float farFieldSize;
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/** Vertex velocities of simulated fluid mesh. */
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struct FluidVertexVelocity *meshVelocities;
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/** Number of vertices in simulated fluid mesh. */
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int totvert;
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/* Fluid control settings */
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float cpsTimeStart;
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float cpsTimeEnd;
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float cpsQuality;
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float attractforceStrength;
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float attractforceRadius;
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float velocityforceStrength;
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float velocityforceRadius;
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int lastgoodframe;
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/** Simulation/flow rate control (i.e. old "Fac-Time"). */
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float animRate;
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} FluidsimSettings;
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/* ob->fluidsimSettings defines */
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#define OB_FLUIDSIM_ENABLE 1
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#define OB_FLUIDSIM_DOMAIN 2
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#define OB_FLUIDSIM_FLUID 4
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#define OB_FLUIDSIM_OBSTACLE 8
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#define OB_FLUIDSIM_INFLOW 16
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#define OB_FLUIDSIM_OUTFLOW 32
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#define OB_FLUIDSIM_PARTICLE 64
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#define OB_FLUIDSIM_CONTROL 128
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#define OB_TYPEFLAG_START 7
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#define OB_FSGEO_THIN (1 << (OB_TYPEFLAG_START + 1))
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#define OB_FSBND_NOSLIP (1 << (OB_TYPEFLAG_START + 2))
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#define OB_FSBND_PARTSLIP (1 << (OB_TYPEFLAG_START + 3))
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#define OB_FSBND_FREESLIP (1 << (OB_TYPEFLAG_START + 4))
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#define OB_FSINFLOW_LOCALCOORD (1 << (OB_TYPEFLAG_START + 5))
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/* surface generation flag (part of enabling chapter 6 of
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* "Free Surface Flows with Moving and Deforming Objects for LBM") */
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#define OB_FSSG_NOOBS (1 << (OB_TYPEFLAG_START + 6))
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// guiDisplayMode particle flags
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#define OB_FSDOM_GEOM 1
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#define OB_FSDOM_PREVIEW 2
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#define OB_FSDOM_FINAL 3
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#define OB_FSPART_BUBBLE (1 << 1)
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#define OB_FSPART_DROP (1 << 2)
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#define OB_FSPART_NEWPART (1 << 3)
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#define OB_FSPART_FLOAT (1 << 4)
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#define OB_FSPART_TRACER (1 << 5)
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// new fluid bit flags for fss->flags
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#define OB_FLUIDSIM_REVERSE (1 << 0)
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#define OB_FLUIDSIM_ACTIVE (1 << 1)
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#define OB_FLUIDSIM_OVERRIDE_TIME (1 << 2)
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#ifdef __cplusplus
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}
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#endif
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