/*!
 * @file world_entity.h
 * Definition of the basic WorldEntity
*/

#ifndef _WORLD_ENTITY_H
#define _WORLD_ENTITY_H

#include "p_node.h"
#include "model.h"

// FORWARD DECLARATION
class CharacterAttributes;
class SoundEngine;
class SoundBuffer;
class SoundSource;
class BVTree;


//! Basis-class all interactive stuff in the world is derived from
class WorldEntity : public PNode
{
 public:
  WorldEntity(const TiXmlElement* root = NULL);
  virtual ~WorldEntity ();

  void loadParams(const TiXmlElement* root);

  /** @see loadModelWithScale(const char*, float) @param fileName the File to load */
  void loadModel(const char* fileName) { this->loadModelWithScale(fileName, 1.0); };
  void loadModelWithScale(const char* fileName, float scaling);

  bool buildObbTree(unsigned int depth);


  //void addAbility(Ability* ability);
  //void removeAbility(Ability* ability);

  /** @param visibility if the Entity should be visible (been draw) */
  void setVisibiliy (bool visibility) { this->bVisible = visibility; };
  /** @returns true if the entity is visible, false otherwise */
  bool isVisible() const { return this->bVisible; };

  void setCharacterAttributes(CharacterAttributes* charAttr);
  CharacterAttributes* getCharacterAttributes();

  /** @returns a reference to the obb tree of this worldentity */
  BVTree* getOBBTree() { return this->obbTree; };

  virtual void postSpawn ();
  virtual void leftWorld ();

  virtual void hit (WorldEntity* weapon, Vector* loc);
  virtual void collidesWith (WorldEntity* entity, const Vector& location);

  /** @returns the Count of Faces on this WorldEntity */
  virtual unsigned int getFaceCount () const { if (this->model) return this->model->getFaceCount(); else return 0; };

  virtual void tick (float time);
  virtual void draw ();
  void drawBVTree(unsigned int depth, int drawMode);

 protected:
  Model*                  model;            //!< The model that should be loaded for this entity.
  CharacterAttributes*    charAttr;         //!< the character attributes of a world_entity
  BVTree*                 obbTree;          //!< this is the obb tree reference needed for collision detection

 private:
  bool                    bCollide;         //!< If it should be considered for the collisiontest.
  bool                    bVisible;         //!< If it should be visible.
};

#endif /* _WORLD_ENTITY_H */