287 lines
9.3 KiB
C++
287 lines
9.3 KiB
C++
/*
|
|
* 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) 2001-2002 by NaN Holding BV.
|
|
* All rights reserved.
|
|
*/
|
|
#ifndef __BKE_EFFECT_H__
|
|
#define __BKE_EFFECT_H__
|
|
|
|
/** \file
|
|
* \ingroup bke
|
|
*/
|
|
|
|
#include "DNA_modifier_types.h"
|
|
|
|
#include "BLI_utildefines.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct Collection;
|
|
struct Depsgraph;
|
|
struct ListBase;
|
|
struct Object;
|
|
struct ParticleData;
|
|
struct ParticleKey;
|
|
struct ParticleSimulationData;
|
|
struct Scene;
|
|
struct ViewLayer;
|
|
|
|
struct EffectorWeights *BKE_effector_add_weights(struct Collection *collection);
|
|
|
|
/* Input to effector code */
|
|
typedef struct EffectedPoint {
|
|
float *loc;
|
|
float *vel;
|
|
float *ave; /* angular velocity for particles with dynamic rotation */
|
|
float *rot; /* rotation quaternion for particles with dynamic rotation */
|
|
float vel_to_frame;
|
|
float vel_to_sec;
|
|
|
|
/* only for particles */
|
|
float size, charge;
|
|
|
|
unsigned int flag;
|
|
int index;
|
|
|
|
struct ParticleSystem *psys; /* particle system the point belongs to */
|
|
} EffectedPoint;
|
|
|
|
typedef struct GuideEffectorData {
|
|
float vec_to_point[3];
|
|
float strength;
|
|
} GuideEffectorData;
|
|
|
|
typedef struct EffectorData {
|
|
/* Effector point */
|
|
float loc[3];
|
|
float nor[3];
|
|
float vel[3];
|
|
|
|
float vec_to_point[3];
|
|
float distance, falloff;
|
|
|
|
/* only for effector particles */
|
|
float size, charge;
|
|
|
|
/* only for vortex effector with surface falloff */
|
|
float nor2[3], vec_to_point2[3];
|
|
|
|
int *index; /* point index */
|
|
} EffectorData;
|
|
|
|
/* used for calculating the effector force */
|
|
typedef struct EffectorCache {
|
|
struct EffectorCache *next, *prev;
|
|
|
|
struct Depsgraph *depsgraph;
|
|
struct Scene *scene;
|
|
struct Object *ob;
|
|
struct ParticleSystem *psys;
|
|
struct SurfaceModifierData *surmd;
|
|
|
|
struct PartDeflect *pd;
|
|
|
|
/* precalculated for guides */
|
|
struct GuideEffectorData *guide_data;
|
|
float guide_loc[4], guide_dir[3], guide_radius;
|
|
|
|
float frame;
|
|
int flag;
|
|
} EffectorCache;
|
|
|
|
typedef struct EffectorRelation {
|
|
struct EffectorRelation *next, *prev;
|
|
|
|
struct Object *ob;
|
|
struct ParticleSystem *psys;
|
|
struct PartDeflect *pd;
|
|
} EffectorRelation;
|
|
|
|
struct PartDeflect *BKE_partdeflect_new(int type);
|
|
struct PartDeflect *BKE_partdeflect_copy(const struct PartDeflect *pd_src);
|
|
void BKE_partdeflect_free(struct PartDeflect *pd);
|
|
|
|
struct ListBase *BKE_effector_relations_create(struct Depsgraph *depsgraph,
|
|
struct ViewLayer *view_layer,
|
|
struct Collection *collection);
|
|
void BKE_effector_relations_free(struct ListBase *lb);
|
|
|
|
struct ListBase *BKE_effectors_create(struct Depsgraph *depsgraph,
|
|
struct Object *ob_src,
|
|
struct ParticleSystem *psys_src,
|
|
struct EffectorWeights *weights);
|
|
void BKE_effectors_apply(struct ListBase *effectors,
|
|
struct ListBase *colliders,
|
|
struct EffectorWeights *weights,
|
|
struct EffectedPoint *point,
|
|
float *force,
|
|
float *impulse);
|
|
void BKE_effectors_free(struct ListBase *lb);
|
|
|
|
void pd_point_from_particle(struct ParticleSimulationData *sim,
|
|
struct ParticleData *pa,
|
|
struct ParticleKey *state,
|
|
struct EffectedPoint *point);
|
|
void pd_point_from_loc(
|
|
struct Scene *scene, float *loc, float *vel, int index, struct EffectedPoint *point);
|
|
void pd_point_from_soft(
|
|
struct Scene *scene, float *loc, float *vel, int index, struct EffectedPoint *point);
|
|
|
|
/* needed for boids */
|
|
float effector_falloff(struct EffectorCache *eff,
|
|
struct EffectorData *efd,
|
|
struct EffectedPoint *point,
|
|
struct EffectorWeights *weights);
|
|
int closest_point_on_surface(SurfaceModifierData *surmd,
|
|
const float co[3],
|
|
float surface_co[3],
|
|
float surface_nor[3],
|
|
float surface_vel[3]);
|
|
int get_effector_data(struct EffectorCache *eff,
|
|
struct EffectorData *efd,
|
|
struct EffectedPoint *point,
|
|
int real_velocity);
|
|
|
|
/* required for particle_system.c */
|
|
#if 0
|
|
void do_physical_effector(struct EffectorData *eff,
|
|
struct EffectorPoint *point,
|
|
float *total_force);
|
|
float effector_falloff(struct EffectorData *eff,
|
|
struct EffectorPoint *point,
|
|
struct EffectorWeights *weights);
|
|
#endif
|
|
|
|
/* EffectedPoint->flag */
|
|
#define PE_WIND_AS_SPEED 1
|
|
#define PE_USE_NORMAL_DATA 4
|
|
|
|
/* EffectorData->flag */
|
|
#define PE_VELOCITY_TO_IMPULSE 1
|
|
|
|
/* ======== Simulation Debugging ======== */
|
|
|
|
unsigned int BKE_sim_debug_data_hash(int i);
|
|
unsigned int BKE_sim_debug_data_hash_combine(unsigned int kx, unsigned int ky);
|
|
|
|
/* _VA_SIM_DEBUG_HASH#(i, ...): combined hash value of multiple integers */
|
|
/* internal helpers*/
|
|
#define _VA_SIM_DEBUG_HASH1(a) (BKE_sim_debug_data_hash(a))
|
|
#define _VA_SIM_DEBUG_HASH2(a, b) \
|
|
(BKE_sim_debug_data_hash_combine(BKE_sim_debug_data_hash(a), _VA_SIM_DEBUG_HASH1(b)))
|
|
#define _VA_SIM_DEBUG_HASH3(a, b, c) \
|
|
(BKE_sim_debug_data_hash_combine(BKE_sim_debug_data_hash(a), _VA_SIM_DEBUG_HASH2(b, c)))
|
|
#define _VA_SIM_DEBUG_HASH4(a, b, c, d) \
|
|
(BKE_sim_debug_data_hash_combine(BKE_sim_debug_data_hash(a), _VA_SIM_DEBUG_HASH3(b, c, d)))
|
|
#define _VA_SIM_DEBUG_HASH5(a, b, c, d, e) \
|
|
(BKE_sim_debug_data_hash_combine(BKE_sim_debug_data_hash(a), _VA_SIM_DEBUG_HASH4(b, c, d, e)))
|
|
#define _VA_SIM_DEBUG_HASH6(a, b, c, d, e, f) \
|
|
(BKE_sim_debug_data_hash_combine(BKE_sim_debug_data_hash(a), _VA_SIM_DEBUG_HASH5(b, c, d, e, f)))
|
|
#define _VA_SIM_DEBUG_HASH7(a, b, c, d, e, f, g) \
|
|
(BKE_sim_debug_data_hash_combine(BKE_sim_debug_data_hash(a), \
|
|
_VA_SIM_DEBUG_HASH6(b, c, d, e, f, g)))
|
|
#define _VA_SIM_DEBUG_HASH8(a, b, c, d, e, f, g, h) \
|
|
(BKE_sim_debug_data_hash_combine(BKE_sim_debug_data_hash(a), \
|
|
_VA_SIM_DEBUG_HASH7(b, c, d, e, f, g, h)))
|
|
|
|
#define SIM_DEBUG_HASH(...) VA_NARGS_CALL_OVERLOAD(_VA_SIM_DEBUG_HASH, __VA_ARGS__)
|
|
|
|
typedef struct SimDebugElement {
|
|
unsigned int category_hash;
|
|
unsigned int hash;
|
|
|
|
int type;
|
|
float color[3];
|
|
|
|
float v1[3], v2[3];
|
|
char str[64];
|
|
} SimDebugElement;
|
|
|
|
typedef enum eSimDebugElement_Type {
|
|
SIM_DEBUG_ELEM_DOT,
|
|
SIM_DEBUG_ELEM_CIRCLE,
|
|
SIM_DEBUG_ELEM_LINE,
|
|
SIM_DEBUG_ELEM_VECTOR,
|
|
SIM_DEBUG_ELEM_STRING,
|
|
} eSimDebugElement_Type;
|
|
|
|
typedef struct SimDebugData {
|
|
struct GHash *gh;
|
|
} SimDebugData;
|
|
|
|
extern SimDebugData *_sim_debug_data;
|
|
|
|
void BKE_sim_debug_data_set_enabled(bool enable);
|
|
bool BKE_sim_debug_data_get_enabled(void);
|
|
void BKE_sim_debug_data_free(void);
|
|
|
|
void BKE_sim_debug_data_add_element(int type,
|
|
const float v1[3],
|
|
const float v2[3],
|
|
const char *str,
|
|
float r,
|
|
float g,
|
|
float b,
|
|
const char *category,
|
|
unsigned int hash);
|
|
void BKE_sim_debug_data_remove_element(unsigned int hash);
|
|
|
|
#define BKE_sim_debug_data_add_dot(p, r, g, b, category, ...) \
|
|
{ \
|
|
const float v2[3] = {0.0f, 0.0f, 0.0f}; \
|
|
BKE_sim_debug_data_add_element( \
|
|
SIM_DEBUG_ELEM_DOT, p, v2, NULL, r, g, b, category, SIM_DEBUG_HASH(__VA_ARGS__)); \
|
|
}
|
|
|
|
#define BKE_sim_debug_data_add_circle(p, radius, r, g, b, category, ...) \
|
|
{ \
|
|
const float v2[3] = {radius, 0.0f, 0.0f}; \
|
|
BKE_sim_debug_data_add_element( \
|
|
SIM_DEBUG_ELEM_CIRCLE, p, v2, NULL, r, g, b, category, SIM_DEBUG_HASH(__VA_ARGS__)); \
|
|
}
|
|
|
|
#define BKE_sim_debug_data_add_line(p1, p2, r, g, b, category, ...) \
|
|
{ \
|
|
BKE_sim_debug_data_add_element( \
|
|
SIM_DEBUG_ELEM_LINE, p1, p2, NULL, r, g, b, category, SIM_DEBUG_HASH(__VA_ARGS__)); \
|
|
}
|
|
|
|
#define BKE_sim_debug_data_add_vector(p, d, r, g, b, category, ...) \
|
|
{ \
|
|
BKE_sim_debug_data_add_element( \
|
|
SIM_DEBUG_ELEM_VECTOR, p, d, NULL, r, g, b, category, SIM_DEBUG_HASH(__VA_ARGS__)); \
|
|
}
|
|
|
|
#define BKE_sim_debug_data_add_string(p, str, r, g, b, category, ...) \
|
|
{ \
|
|
BKE_sim_debug_data_add_element( \
|
|
SIM_DEBUG_ELEM_STRING, p, NULL, str, r, g, b, category, SIM_DEBUG_HASH(__VA_ARGS__)); \
|
|
}
|
|
|
|
#define BKE_sim_debug_data_remove(...) \
|
|
BKE_sim_debug_data_remove_element(SIM_DEBUG_HASH(__VA_ARGS__))
|
|
|
|
void BKE_sim_debug_data_clear(void);
|
|
void BKE_sim_debug_data_clear_category(const char *category);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|