/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004-2006 orx

   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, or (at your option)
   any later version.

   ### File Specific
   main-programmer: Nicolas Schlumbegrer
   co-programmer: ..

*/


#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WEAPON

#include "nadion_blast.h"

#include "state.h"
#include "model.h"

#include "world_entities/npcs/actionbox_enemy.h"
#include "world_entities/npcs/npc.h"

#include "particles/dot_emitter.h"
#include "particles/sprite_particles.h"

#include "space_ships/space_ship.h"

#include <cassert>
#include "debug.h"

#include "static_model.h"

#include "effects/trail.h"



ObjectListDefinition(NadionBlast);
CREATE_FAST_FACTORY_STATIC(NadionBlast);

/**
 *  standard constructor
*/
NadionBlast::NadionBlast () : Projectile()
{
  this->registerObject(this, NadionBlast::_objectList);
  this->loadModel("models/projectiles/mbolt.obj",4);


  //this->loadModel("models/projectiles/laser.obj");

  this->setMinEnergy(4);
  this->setHealthMax(0);
  this->lifeSpan = 2.5;
  this->angle     = 0;

  this->setDamage(5);
  
  //this->emitter = new DotEmitter(1000, 0, 0);
  this->emitter = new DotEmitter(50, 0, 0);
  this->emitter->setParent(this);
  this->emitter->setSpread(M_PI,M_PI);
  this->emitter->setInheritSpeed(this->velocity.len());
  this->emitter->setEmissionRate(500.0);
  this->emitter->setEmissionVelocity(this->velocity.len());

  this->mat = new Material("NadionBlast");
  //this->mat->setBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
  this->mat->setBlendFunc(GL_SRC_ALPHA,GL_ONE);
  this->mat->setDiffuse(1,1,1);
  this->mat->setDiffuseMap("laser_add.png");
  this->mat->setDiffuseMap("laser2.png",1);

  dynamic_cast<StaticModel*>(this->getModel())->addMaterial(*this->mat);
  dynamic_cast<StaticModel*>(this->getModel())->finalize();

  dynamic_cast<StaticModel*>(this->getModel())->rebuild();
  //this->buildObbTree(4);

//   this->trail = new Trail(6, 4, .1, this);
  //this->trail->setParent( this);
//   this->trail->setTexture( "textures/laser.png");
//   this->trail->setAbsCoor(this->getAbsCoor() - Vector(.7,0,0));
//   this->trail->setAbsCoor(this->getAbsCoor() - this->getVelocity().getNormalized() * .7);

}


/**
 *  standard deconstructor
 *
 */
NadionBlast::~NadionBlast ()
{

  if (NadionBlast::explosionParticles != NULL && NadionBlast::objectList().size() <= 1)
  {
    if (ParticleSystem::objectList().exists(NadionBlast::explosionParticles))
      delete NadionBlast::explosionParticles;
    NadionBlast::explosionParticles = NULL;
    PRINTF(1)("Deleting NadionBlast Explosion Particles\n");
  }

  delete this->emitter;
//   delete this->trail;
}

SpriteParticles* NadionBlast::explosionParticles = NULL;

void NadionBlast::activate()
{
//   this->origList = this->getOMListNumber();
//   this->toList(OM_ENVIRON);
  if (unlikely(NadionBlast::explosionParticles == NULL))
  {
    NadionBlast::explosionParticles = new SpriteParticles(1000);
    NadionBlast::explosionParticles->setName("NadionBlastExplosionParticles");
    NadionBlast::explosionParticles->setLifeSpan(.2, .1);
    NadionBlast::explosionParticles->setRadius(0.0, 10.0);
    NadionBlast::explosionParticles->setRadius(.5, 6.0);
    NadionBlast::explosionParticles->setRadius(1.0, 3.0);
    NadionBlast::explosionParticles->setColor(0.0, 1,1,0,.9);
    NadionBlast::explosionParticles->setColor(0.5, .8,.8,0,.5);
    NadionBlast::explosionParticles->setColor(1.0, .8,.8,.7,.0);
  }

  this->setPhysDamage(10);
  this->setElecDamage(0);
  this->setHealth(0);

  this->emitter->setSpread(0);
  this->emitter->setEmissionRate(10.0);
  this->emitter->setEmissionVelocity(50);
}


void NadionBlast::deactivate()
{
  assert (NadionBlast::explosionParticles != NULL);
  NadionBlast::explosionParticles->removeEmitter(this->emitter);
  this->lifeCycle = 0.0;

  this->lifeCycle = 0.0;
  this->toList(OM_NULL);
  //this->toList(OM_DEAD);
//   this->removeNode();
  NadionBlast::fastFactory->kill(this);
}


// void NadionBlast::hit (float damage, WorldEntity* entity )
// {
// 
//   if (this->hitEntity != entity)
//     this->destroy( entity );
//   this->hitEntity = entity;
//  // dynamic_cast<SpaceShip*>(entity)->damage(this->getPhysDamage(),this->getElecDamage());
//   //this->destroy(this);
//   this->deactivate();
// 
//   return;
// 
// }

/**
 *  signal tick, time dependent things will be handled here
 * @param dt time since last tick
*/
void NadionBlast::tick (float dt)
{
  //Vector v = *this->flightDirection * ( this->speed * time * 1000 + 0.1);
  Vector v = this->velocity * dt;
  this->shiftCoor(v);

  if (this->tickLifeCycle(dt))
    this->deactivate();

  this->angle += NadionBlast::rotationSpeed * dt;
//   this->trail->tick(dt);
}

/**
 *  the function gets called, when the projectile is destroyed
*/
void NadionBlast::destroy (WorldEntity* killer)
{
  //this->deactivate();
  Projectile::destroy( killer );
  PRINTF(5)("DESTROY NadionBlast\n");
  this->lifeCycle = .95; //!< @todo calculate this usefully.

  this->emitter->setSystem(NadionBlast::explosionParticles);
}


void NadionBlast::draw () const
{
  glPushAttrib(GL_ENABLE_BIT);
  glDisable(GL_LIGHTING);

  glPushMatrix();
  float matrix[4][4];
  glTranslatef (this->getAbsCoor ().x, this->getAbsCoor ().y, this->getAbsCoor ().z);
//   glRotatef(this->angle, 1.0f, 0.0f, 0.0f); //spinning missile 
// HACK, need to be removed, once the AbsDir is correct, replace with the one above
//   glRotatef(this->angle, this->flightDirection.x, this->flightDirection.y, this->flightDirection.z); 
  this->getAbsDir().matrix (matrix);
  glMultMatrixf((float*)matrix);

  glScalef(0.75/6, 0.7/16, 0.7/16);  // no double rescale

  this->mat->select();
  dynamic_cast<StaticModel*>(this->getModel())->draw();
  this->mat->unselect();
//   glScalef(4/.75,16/.7,16/.7);
//   glTranslatef(-3,0,0);
//   this->trail->draw();
  glPopMatrix();
  glPopAttrib();

}