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/**
*
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2004-2005 by Blender Foundation
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef DNA_OBJECT_FORCE_H
#define DNA_OBJECT_FORCE_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct PartDeflect {
short deflect; /* Deflection flag - does mesh deflect particles*/
short forcefield; /* Force field type, do the vertices attract / repel particles ? */
short flag; /* general settings flag */
short falloff; /* fall-off type*/
float pdef_damp; /* Damping factor for particle deflection */
float pdef_rdamp; /* Random element of damping for deflection */
float pdef_perm; /* Chance of particle passing through mesh */
float pdef_frict; /* Friction factor for particle deflection */
float pdef_rfrict; /* Random element of friction for deflection */
float f_strength; /* The strength of the force (+ or - ) */
float f_power; /* The power law - real gravitation is 2 (square) */
float f_dist;
float f_damp; /* The dampening factor, currently only for harmonic force */
float maxdist; /* if indicated, use this maximum */
float mindist; /* if indicated, use this minimum */
float maxrad; /* radial versions of above */
float minrad;
float f_power_r; /* radial fall-off power*/
float pdef_sbdamp; /* Damping factor for softbody deflection */
float pdef_sbift; /* inner face thickness for softbody deflection */
float pdef_sboft; /* outer face thickness for softbody deflection */
/* variables for guide curve */
float clump_fac, clump_pow;
float kink_freq, kink_shape, kink_amp, free_end;
float tex_nabla;
short tex_mode, kink, kink_axis, rt2;
struct Tex *tex; /* Texture of the texture effector */
struct RNG *rng; /* random noise generator for e.g. wind */
float f_noise; /* noise of force (currently used for wind) */
int pad;
} PartDeflect;
typedef struct PointCache {
int flag; /* generic flag */
int simframe; /* current frame of simulation (only if SIMULATION_VALID) */
int startframe; /* simulation start frame */
int endframe; /* simulation end frame */
int editframe; /* frame being edited (runtime only) */
} PointCache;
typedef struct SBVertex {
float vec[4];
} SBVertex;
typedef struct BulletSoftBody {
int flag; /* various boolean options */
float linStiff; /* linear stiffness 0..1 */
float angStiff; /* angular stiffness 0..1 */
float volume; /* volume preservation 0..1 */
int viterations; /* Velocities solver iterations */
int piterations; /* Positions solver iterations */
int diterations; /* Drift solver iterations */
int citerations; /* Cluster solver iterations */
float kSRHR_CL; /* Soft vs rigid hardness [0,1] (cluster only) */
float kSKHR_CL; /* Soft vs kinetic hardness [0,1] (cluster only) */
float kSSHR_CL; /* Soft vs soft hardness [0,1] (cluster only) */
float kSR_SPLT_CL; /* Soft vs rigid impulse split [0,1] (cluster only) */
float kSK_SPLT_CL; /* Soft vs rigid impulse split [0,1] (cluster only) */
float kSS_SPLT_CL; /* Soft vs rigid impulse split [0,1] (cluster only) */
float kVCF; /* Velocities correction factor (Baumgarte) */
float kDP; /* Damping coefficient [0,1] */
float kDG; /* Drag coefficient [0,+inf] */
float kLF; /* Lift coefficient [0,+inf] */
float kPR; /* Pressure coefficient [-inf,+inf] */
float kVC; /* Volume conversation coefficient [0,+inf] */
float kDF; /* Dynamic friction coefficient [0,1] */
float kMT; /* Pose matching coefficient [0,1] */
float kCHR; /* Rigid contacts hardness [0,1] */
float kKHR; /* Kinetic contacts hardness [0,1] */
float kSHR; /* Soft contacts hardness [0,1] */
float kAHR; /* Anchors hardness [0,1] */
int collisionflags; /* Vertex/Face or Signed Distance Field(SDF) or Clusters, Soft versus Soft or Rigid */
int numclusteriterations; /* number of iterations to refine collision clusters*/
float welding; /* welding limit to remove duplicate/nearby vertices, 0.0..0.01 */
} BulletSoftBody;
/* BulletSoftBody.flag */
#define OB_BSB_SHAPE_MATCHING 2
#define OB_BSB_UNUSED 4
#define OB_BSB_BENDING_CONSTRAINTS 8
#define OB_BSB_AERO_VPOINT 16 /* aero model, Vertex normals are oriented toward velocity*/
#define OB_BSB_AERO_VTWOSIDE 32 /* aero model, Vertex normals are flipped to match velocity */
/* BulletSoftBody.collisionflags */
#define OB_BSB_COL_SDF_RS 2 /* SDF based rigid vs soft */
#define OB_BSB_COL_CL_RS 4 /* Cluster based rigid vs soft */
#define OB_BSB_COL_CL_SS 8 /* Cluster based soft vs soft */
#define OB_BSB_COL_VF_SS 16 /* Vertex/Face based soft vs soft */
typedef struct SoftBody {
struct ParticleSystem *particles; /* particlesystem softbody */
/* dynamic data */
int totpoint, totspring;
struct BodyPoint *bpoint; /* not saved in file */
struct BodySpring *bspring; /* not saved in file */
float pad;
/* part of UI: */
/* general options */
float nodemass; /* softbody mass of *vertex* */
float grav; /* softbody amount of gravitaion to apply */
float mediafrict; /* friction to env */
float rklimit; /* error limit for ODE solver */
float physics_speed;/* user control over simulation speed */
/* goal */
float goalspring; /* softbody goal springs */
float goalfrict; /* softbody goal springs friction */
float mingoal; /* quick limits for goal */
float maxgoal;
float defgoal; /* default goal for vertices without vgroup */
short vertgroup; /* index starting at 1 */
short fuzzyness; /* */
/* springs */
float inspring; /* softbody inner springs */
float infrict; /* softbody inner springs friction */
/* baking */
int sfra, efra;
int interval;
short local, solverflags; /* local==1: use local coords for baking */
/* -- these must be kept for backwards compatibility -- */
SBVertex **keys; /* array of size totpointkey */
int totpointkey, totkey; /* if totpointkey != totpoint or totkey!- (efra-sfra)/interval -> free keys */
/* ---------------------------------------------------- */
float secondspring;
/* self collision*/
float colball; /* fixed collision ball size if > 0 */
float balldamp; /* cooling down collision response */
float ballstiff; /* pressure the ball is loaded with */
short sbc_mode;
short aeroedge,
minloops,
maxloops,
choke,
solver_ID,
plastic,springpreload
;
struct SBScratch *scratch; /* scratch pad/cache on live time not saved in file */
float shearstiff;
float inpush;
struct PointCache *pointcache;
} SoftBody;
/* pd->forcefield: Effector Fields types */
#define PFIELD_FORCE 1
#define PFIELD_VORTEX 2
#define PFIELD_MAGNET 3
#define PFIELD_WIND 4
#define PFIELD_GUIDE 5
#define PFIELD_TEXTURE 6
#define PFIELD_HARMONIC 7
#define PFIELD_CHARGE 8
#define PFIELD_LENNARDJ 9
/* pd->flag: various settings */
#define PFIELD_USEMAX 1
#define PDEFLE_DEFORM 2
#define PFIELD_GUIDE_PATH_ADD 4
#define PFIELD_PLANAR 8
#define PDEFLE_KILL_PART 16
#define PFIELD_POSZ 32
#define PFIELD_TEX_OBJECT 64
#define PFIELD_TEX_2D 128
#define PFIELD_USEMIN 256
#define PFIELD_USEMAXR 512
#define PFIELD_USEMINR 1024
#define PFIELD_TEX_ROOTCO 2048
#define PFIELD_SURFACE 4096
/* pd->falloff */
#define PFIELD_FALL_SPHERE 0
#define PFIELD_FALL_TUBE 1
#define PFIELD_FALL_CONE 2
//reserved for near future
//#define PFIELD_FALL_INSIDE 3
/* pd->tex_mode */
#define PFIELD_TEX_RGB 0
#define PFIELD_TEX_GRAD 1
#define PFIELD_TEX_CURL 2
/* pointcache->flag */
#define PTCACHE_BAKED 1
#define PTCACHE_OUTDATED 2
#define PTCACHE_SIMULATION_VALID 4
#define PTCACHE_BAKING 8
#define PTCACHE_BAKE_EDIT 16
#define PTCACHE_BAKE_EDIT_ACTIVE 32
/* ob->softflag */
#define OB_SB_ENABLE 1
#define OB_SB_GOAL 2
#define OB_SB_EDGES 4
#define OB_SB_QUADS 8
#define OB_SB_POSTDEF 16
// #define OB_SB_REDO 32
// #define OB_SB_BAKESET 64
// #define OB_SB_BAKEDO 128
// #define OB_SB_RESET 256
#define OB_SB_SELF 512
#define OB_SB_FACECOLL 1024
#define OB_SB_EDGECOLL 2048
#define OB_SB_COLLFINAL 4096
//#define OB_SB_PROTECT_CACHE 8192
#define OB_SB_AERO_ANGLE 16384
/* sb->solverflags */
#define SBSO_MONITOR 1
#define SBSO_OLDERR 2
/* sb->sbc_mode */
#define SBC_MODE_MANUAL 0
#define SBC_MODE_AVG 1
#define SBC_MODE_MIN 2
#define SBC_MODE_MAX 3
#define SBC_MODE_AVGMINMAX 4
#ifdef __cplusplus
}
#endif
#endif
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