source: orxonox.OLD/branches/volumetric_fog/src/world_entities/weather_effects/lightning_effect.h

/**
* @file lightning_effect.h
*/

#ifndef _LIGHTNING_EFFECT
#define _LIGHTNING_EFFECT

#include "vector.h"
#include "vector2D.h"

#include "weather_effect.h"

#include "sound_buffer.h"
#include "sound_source.h"

class Billboard;
class Light;

class LightningEffect : public WeatherEffect
{
  ObjectListDeclaration(LightningEffect);
public:
  LightningEffect(const TiXmlElement* root = NULL);
  virtual ~LightningEffect();

  virtual void loadParams(const TiXmlElement* root);

  virtual void init();

  virtual void activate();
  virtual void deactivate();

  inline  void activateLightning()
  {
    this->activate();
  }
  inline  void deactivateLightning()
  {
    this->deactivate();
  }

  virtual void tick(float dt);

  void coord(float x, float y, float z);
  void setFlashSize(float width, float height, float seedWidth, float seedHeight);

  inline void setLightningOption(const std::string& option)
  {
    if (option == "activate")
      this->lightningActivate = true;
    if (option == "movelightning")
      this->lightningMove = true;
  }

  inline void setFlashFrequency(float baseFrequency, float seedTime)
  {
    this->flashFrequencyBase = baseFrequency;
    this->flashFrequency = baseFrequency;
    this->flashFrequencySeed = seedTime;
  }

  inline void setFlashConstTime(float holdTime)
  {
    this->flashHoldTime = holdTime;
  }

  inline void setFlashRisingTime(float flashRisingTime)
  {
    if(flashRisingTime > this->flashHoldTime)
      this->flashRisingTime = this->flashHoldTime * 0.5;
    else
      this->flashRisingTime = flashRisingTime;
  }

  inline void setFlashSeed(float seedX, float seedZ)
  {
    this->seedX = seedX;
    this->seedZ = seedZ;
  }


private:

  void newCoordinates();
  void setTexture();
  void switchTexture();

  Billboard* thunderBolt[4];
  bool thunderTextureA;

  bool lightningActivate;
  bool lightningMove;

  float flashFrequency;
  float flashFrequencyBase;
  float flashHoldTime;
  float flashRisingTime;

  float time;

  float width;
  float height;
  float seedWidth;
  float seedHeight;

  float seedX;
  float seedZ;
  float flashFrequencySeed;

  float mainPosX;
  float mainPosY;
  float mainPosZ;

  Vector origSkyColor;
  Vector cameraCoor;

  Light* flashLight;

  OrxSound::SoundSource    soundSource;
  OrxSound::SoundBuffer    thunderBuffer;

};

#endif  /* _LIGHTNING_EFFECT */