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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.
*/
/** \file
* \ingroup DNA
*/
#ifndef __DNA_SIMULATION_TYPES_H__
#define __DNA_SIMULATION_TYPES_H__
#include "DNA_ID.h"
#include "DNA_customdata_types.h"
typedef struct Simulation {
ID id;
struct AnimData *adt; /* animation data (must be immediately after id) */
struct bNodeTree *nodetree;
uint32_t flag;
/** This is the frame in scene time, that the states correspond to. */
float current_frame;
/** Time since the start of the simulation in simulation time (which might differ from scene
* time). */
float current_simulation_time;
char _pad[4];
/** List containing SimulationState objects. */
struct ListBase states;
/** List containing SimulationDependency objects. */
struct ListBase dependencies;
} Simulation;
typedef struct SimulationState {
struct SimulationState *next;
struct SimulationState *prev;
char *type;
char *name;
} SimulationState;
typedef struct ParticleSimulationState {
SimulationState head;
/** Contains the state of the particles at time Simulation->current_frame. */
int32_t tot_particles;
int32_t next_particle_id;
struct CustomData attributes;
} ParticleSimulationState;
typedef struct ParticleMeshEmitterSimulationState {
SimulationState head;
float last_birth_time;
char _pad[4];
} ParticleMeshEmitterSimulationState;
/** Stores a reference to data that the simulation depends on. This is partially derived from the
* simulation node tree. */
typedef struct SimulationDependency {
struct SimulationDependency *next;
struct SimulationDependency *prev;
struct ID *id;
int32_t handle;
uint32_t flag;
} SimulationDependency;
/* Simulation.flag */
enum {
SIM_DS_EXPAND = (1 << 0),
};
/* SimulationDependency.flag */
enum {
SIM_DEPENDS_ON_TRANSFORM = (1 << 0),
SIM_DEPENDS_ON_GEOMETRY = (1 << 1),
};
#define SIM_TYPE_NAME_PARTICLE_SIMULATION "Particle Simulation"
#define SIM_TYPE_NAME_PARTICLE_MESH_EMITTER "Particle Mesh Emitter"
#endif /* __DNA_SIMULATION_TYPES_H__ */
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