text: /*
   * Copyright 2011-2013 Blender Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef __PARTICLES_H__
  #define __PARTICLES_H__
  
  #include "util/util_types.h"
  #include "util/util_vector.h"
  
  CCL_NAMESPACE_BEGIN
  
  class Device;
  class DeviceScene;
  class Progress;
  class Scene;
  
  /* Particle System */
  
  struct Particle {
  	int index;
  	float age;
  	float lifetime;
  	float3 location;
  	float4 rotation;
  	float size;
  	float3 velocity;
  	float3 angular_velocity;
  };
  
  class ParticleSystem {
  public:
  	ParticleSystem();
  	~ParticleSystem();
  
  	void tag_update(Scene *scene);
  
  	array<Particle> particles;
  };
  
  /* ParticleSystem Manager */
  
  class ParticleSystemManager {
  public:
  	bool need_update;
  
  	ParticleSystemManager();
  	~ParticleSystemManager();
  
  	void device_update_particles(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress);
  	void device_update(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress);
  	void device_free(Device *device, DeviceScene *dscene);
  
  	void tag_update(Scene *scene);
  };
  
  CCL_NAMESPACE_END
  
  #endif /* __PARTICLES_H__ */
  
  