DNA_cloth_types.h

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/* SPDX-FileCopyrightText: 2006 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "DNA_defs.h"

typedef struct ClothSimSettings {
  struct LinkNode *cache;
  float mingoal;
  float Cdis DNA_DEPRECATED;
  float Cvi;
  float gravity[3];
  float dt;
  float mass;
  float structural DNA_DEPRECATED;
  float shear;
  float bending;
  float max_bend;
  float max_struct DNA_DEPRECATED;
  float max_shear;
  float max_sewing;
  float avg_spring_len;
  float timescale;
  float time_scale;
  float maxgoal;
  float eff_force_scale;
  float eff_wind_scale;
  float sim_time_old;
  float defgoal;
  float goalspring;
  float goalfrict;
  float velocity_smooth;
  float density_target;
  float density_strength;
  float collider_friction;
  float vel_damping DNA_DEPRECATED;
  float shrink_min;
  float shrink_max;
 
  /* Air pressure */
  float uniform_pressure_force;
  float target_volume;
  float pressure_factor;
  float fluid_density;
  short vgroup_pressure;
  char _pad7[6];
 
  /* XXX various hair stuff
   * should really be separate, this struct is a horrible mess already
   */
  float bending_damping;
  float voxel_cell_size;

  int stepsPerFrame;
  int flags;
  int preroll DNA_DEPRECATED;
  int maxspringlen;
  short solver_type;
  short vgroup_bend;
  short vgroup_mass;
  short vgroup_struct;
  short vgroup_shrink;
  short shapekey_rest;
  short presets;
  short reset;
 
  struct EffectorWeights *effector_weights;
 
  short bending_model;
  short vgroup_shear;
  float tension;
  float compression;
  float max_tension;
  float max_compression;
  float tension_damp;
  float compression_damp;
  float shear_damp;

  float internal_spring_max_length;
  float internal_spring_max_diversion;
  short vgroup_intern;
  char _pad1[2];
  float internal_tension;
  float internal_compression;
  float max_internal_tension;
  float max_internal_compression;
  char _pad0[4];
 
} ClothSimSettings;
 
/* SIMULATION FLAGS: goal flags, etc. */
/* These are the bits used in SimSettings.flags. */
typedef enum {
  CLOTH_SIMSETTINGS_FLAG_COLLOBJ = (1 << 2),
  CLOTH_SIMSETTINGS_FLAG_GOAL = (1 << 3),
  CLOTH_SIMSETTINGS_FLAG_TEARING = (1 << 4),
  CLOTH_SIMSETTINGS_FLAG_PRESSURE = (1 << 5),
  CLOTH_SIMSETTINGS_FLAG_PRESSURE_VOL = (1 << 6),
  CLOTH_SIMSETTINGS_FLAG_INTERNAL_SPRINGS = (1 << 7),
  CLOTH_SIMSETTINGS_FLAG_SCALING = (1 << 8),
  CLOTH_SIMSETTINGS_FLAG_INTERNAL_SPRINGS_NORMAL = (1 << 9),
  /* CLOTH_SIMSETTINGS_FLAG_CCACHE_EDIT = (1 << 12), */ /* UNUSED */
  CLOTH_SIMSETTINGS_FLAG_RESIST_SPRING_COMPRESS = (1 << 13),
  CLOTH_SIMSETTINGS_FLAG_SEW = (1 << 14),
  CLOTH_SIMSETTINGS_FLAG_DYNAMIC_BASEMESH = (1 << 15),
} CLOTH_SIMSETTINGS_FLAGS;
 
/* ClothSimSettings.bending_model. */
typedef enum {
  CLOTH_BENDING_LINEAR = 0,
  CLOTH_BENDING_ANGULAR = 1,
} CLOTH_BENDING_MODEL;
 
typedef struct ClothCollSettings {
  struct LinkNode *collision_list;
  float epsilon;
  float self_friction;
  float friction;
  float damping;
  float selfepsilon;
  float repel_force DNA_DEPRECATED;
  float distance_repel DNA_DEPRECATED;
  int flags;
  short self_loop_count DNA_DEPRECATED;
  short loop_count;
  char _pad[4];
  struct Collection *group;
  short vgroup_selfcol;
  short vgroup_objcol;
  char _pad2[4];
  float clamp;
  float self_clamp;
} ClothCollSettings;
 
/* COLLISION FLAGS */
typedef enum {
  CLOTH_COLLSETTINGS_FLAG_ENABLED = (1 << 1), /* enables cloth - object collisions */
  CLOTH_COLLSETTINGS_FLAG_SELF = (1 << 2),    /* enables selfcollisions */
} CLOTH_COLLISIONSETTINGS_FLAGS;