Esempio n. 1
0
/* Reduce a number to its best type (i.e. no complex numbers with 0i, no doubles with 0's after the decimal point, etc */
void ReduceNumber(VyNumber** num){
	/* Check that, if it is a double, it isnt an int in disguise */
	if(num[0]->type == REAL){
		double d = GetDouble(num);
		/* If it is, change it to an int */
		if(d == (int)(d)){
			num[0]->type = INT;

			IntNum* iNum = NumberToSubtype(num);
			iNum->i = (int)(d);
		}
	}

	/* Check that, if it is a complex number, the imaginary part isn't 0 */
	else if(num[0]->type == COMPLEX){
		if(EqualsZero(GetImaginary(num))){
			/* Make it equal the real part */
			VyNumber** realPart = GetReal(num);
			num[0]->type = realPart[0]->type;

			switch(num[0]->type){
				case INT:
					((IntNum*)(NumberToSubtype(num)))->i = GetInt(realPart);
					break;
				case REAL:
					((RealNum*)(NumberToSubtype(num)))->d = GetDouble(realPart);
					break;
			}

			
		}
	}
}
Esempio n. 2
0
bool Unproject( const Vector4& windowPos,
                const Matrix& inverseMvp,
                float viewportWidth,
                float viewportHeight,
                Vector4& objectPos )
{
  objectPos.x = windowPos.x;
  objectPos.y = windowPos.y;
  objectPos.z = windowPos.z;
  objectPos.w = 1.0f;

  objectPos.x = objectPos.x / viewportWidth;
  objectPos.y = objectPos.y / viewportHeight;

  objectPos.x = objectPos.x * 2.0f - 1.0f;
  objectPos.y = objectPos.y * 2.0f - 1.0f;
  objectPos.z = objectPos.z * 2.0f - 1.0f;

  objectPos = inverseMvp * objectPos;

  // In the case where objectPos.w is exactly zero, the unproject fails
  if ( EqualsZero( objectPos.w ) )
  {
    return false;
  }

  objectPos.x /= objectPos.w;
  objectPos.y /= objectPos.w;
  objectPos.z /= objectPos.w;

  return true;
}
void BulletDynamicsBody::SetMass( float mass )
{
  DEBUG_PRINTF("%s(%.2f)\n", __func__, mass);

  if( Dali::DynamicsBodyConfig::RIGID == mSettings->type )
  {
    btRigidBody* rigidBody( btRigidBody::upcast(mBody) );
    DALI_ASSERT_DEBUG( rigidBody );

    btVector3 inertia(0,0,0);
    if( ! EqualsZero( mass ) )
    {
      btCollisionShape* shape = mBody->getCollisionShape();
      shape->calculateLocalInertia(mass, inertia);
    }
    rigidBody->setMassProps(btScalar(mass), inertia);
  }
  else if( Dali::DynamicsBodyConfig::SOFT == mSettings->type )
  {
    btSoftBody* softBody( btSoftBody::upcast(mBody) );
    DALI_ASSERT_DEBUG( softBody );

    softBody->setTotalMass(mass);
  }
}
void BulletDynamicsBody::CreateRigidBody( const Integration::DynamicsBodySettings& bodySettings, Dali::Integration::DynamicsShape* shape,
                                          const Vector3& startPosition, const Quaternion& startRotation )
{
  DEBUG_PRINTF("%s\n", __func__ );

  Vector3 axis;
  float angle( 0.0f );
  startRotation.ToAxisAngle( axis, angle );

  btVector3 inertia( 0.0f ,0.0f ,0.0f );
  btCollisionShape* collisionShape( ((BulletDynamicsShape*)shape)->GetShape() );
  if( ! EqualsZero( bodySettings.mass ) )
  {
    collisionShape->calculateLocalInertia(bodySettings.mass, inertia);
  }

  btRigidBody::btRigidBodyConstructionInfo constructionInfo(bodySettings.mass, NULL, collisionShape, inertia);
  constructionInfo.m_restitution = bodySettings.elasticity;
  constructionInfo.m_linearDamping = bodySettings.linearDamping;
  constructionInfo.m_angularDamping = bodySettings.angularDamping;
  constructionInfo.m_friction = bodySettings.friction;
  constructionInfo.m_linearSleepingThreshold = bodySettings.linearSleepVelocity;
  constructionInfo.m_angularSleepingThreshold = bodySettings.angularSleepVelocity;
  constructionInfo.m_startWorldTransform.setOrigin(btVector3(startPosition.x, startPosition.y, startPosition.z));
  if( axis != Vector3::ZERO )
  {
    constructionInfo.m_startWorldTransform.setRotation( btQuaternion(btVector3(axis.x, axis.y, axis.z), btScalar(angle)) );
  }

  mBody = new btRigidBody( constructionInfo );
  mBody->setUserPointer(this);
}
Esempio n. 5
0
bool Weapon::LoadXml(const xmlNode*  weapon)
{
  const xmlNode* elem = XmlReader::GetMarker(weapon, m_id);
  if (!elem) {
    std::cout << Format(_("No element <%s> found in the xml config file!"),
                        m_id.c_str())
              << std::endl;
    return false;
  }

  XmlReader::ReadInt(elem, "available_after_turn", m_available_after_turn);
  XmlReader::ReadInt(elem, "nb_ammo", m_initial_nb_ammo);
  XmlReader::ReadInt(elem, "unit_per_ammo", m_initial_nb_unit_per_ammo);
  XmlReader::ReadInt(elem, "ammo_per_drop", ammo_per_drop);
  XmlReader::ReadDouble(elem, "drop_probability", drop_probability);
  if (m_initial_nb_ammo == INFINITE_AMMO && drop_probability.IsNotZero()) {
    std::cerr << Format(_("The weapon %s has infinite ammo, but bonus boxes might contain ammo for it!"), m_id.c_str());
    std::cerr << std::endl;
  }

  // max strength
  // if max_strength = 0, no strength_bar !
  XmlReader::ReadDouble(elem, "max_strength", max_strength);

  // change weapon after ? (for the grapple = true)
  XmlReader::ReadBool(elem, "change_weapon", m_can_change_weapon);

  // Disable crosshair ?
  XmlReader::ReadBool(elem, "display_crosshair", m_display_crosshair);
  // angle of weapon when drawing
  // if (min_angle == max_angle) no cross_hair !
  // between -90 to 90 degrees
  int min_angle_deg = 0, max_angle_deg = 0;
  XmlReader::ReadInt(elem, "min_angle", min_angle_deg);
  XmlReader::ReadInt(elem, "max_angle", max_angle_deg);
  min_angle = min_angle_deg * PI / 180;
  max_angle = max_angle_deg * PI / 180;
  if (EqualsZero(min_angle - max_angle))
    m_display_crosshair = false;
#if 0
  if (m_weapon_fire) {
    uint num = 32 * (max_angle - min_angle) / TWO_PI;
    m_weapon_fire->EnableCaches(true, num, min_angle, max_angle);
  }
#endif

  // Load extra parameters if existing
  if (extra_params)
    extra_params->LoadXml(elem);

  if (drawable && origin == weapon_origin_HAND)
    m_image->SetRotation_HotSpot(position);

  return true;
}
Esempio n. 6
0
void Vector2::Normalize()
{
  float length = Length();
  if( ! EqualsZero(length) )
  {
    MATH_INCREASE_BY(PerformanceMonitor::FLOAT_POINT_MULTIPLY,2);

    const float inverseLength = 1.0f / length;
    x *= inverseLength;
    y *= inverseLength;
  }
}
Esempio n. 7
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void PhysicalObj::Drown()
{
  ASSERT (m_alive != DROWNED);
  MSG_DEBUG("physic.state", "%s - Drowned...", GetName().c_str());
  m_alive = DROWNED;

  // Set the air grab to water resist factor.
  SetAirResistFactor(m_cfg.m_water_resist_factor);

  // Ensure the gravity factor is upper than 0.0
  if (EqualsZero(GetGravityFactor()))
    SetGravityFactor(0.1);

  // If fire, do smoke...
  if (m_is_fire)
    GetWorld().water.Smoke(GetPosition());
  // make a splash in the water :-)
  else if (GetMass() >= 2 && GetName() != "water_particle")
    GetWorld().water.Splash(GetPosition());

  StopMoving();
  StartMoving();
  SignalDrowning();
}
Esempio n. 8
0
Weapon::Weapon(Weapon_type type,
               const std::string &id,
               EmptyWeaponConfig * params,
               bool drawable):
  drawable(drawable)
{
  m_type = type;
  m_category = INVALID;
  m_id = id;
  m_help = "";

  m_time_anim_begin = Time::GetInstance()->Read();
  m_available_after_turn = 0;
  m_initial_nb_ammo = INFINITE_AMMO;
  m_initial_nb_unit_per_ammo = 1;
  ammo_per_drop = 1;
  drop_probability = 0;
  use_unit_on_first_shoot = true;
  can_be_used_on_closed_map = true;

  m_strength = 0;
  m_first_time_loading = 0;
  m_last_fire_time = 0;
  m_time_between_each_shot = 400;
  m_fire_remanence_time = 100;
  max_strength = min_angle = max_angle = 0;
  use_flipping = true;
  m_display_crosshair = true;

  origin = weapon_origin_HAND;

  m_can_change_weapon = false;

  m_image = NULL;
  m_weapon_fire = NULL;

  if (!use_flipping && !EqualsZero(min_angle - max_angle))
    use_flipping = true;

  extra_params = params;

  if (drawable) {
    m_image = new Sprite(GetResourceManager().LoadImage(weapons_res_profile, m_id));
    m_image->EnableCaches(use_flipping, 0);
  }

  icon = new Sprite(GetResourceManager().LoadImage(weapons_res_profile,m_id+"_ico"));

  mouse_character_selection = true;

  const xmlNode* elem = GetResourceManager().GetElement(weapons_res_profile, "position", m_id);
  if (elem) {
    // E.g. <position name="my_weapon_id" origin="hand" x="-1" y="0" />
    std::string origin_xml;
    XmlReader::ReadIntAttr (elem, "x", position.x);
    XmlReader::ReadIntAttr (elem, "y", position.y);
    if (!XmlReader::ReadStringAttr (elem, "origin", origin_xml)) {
      std::cerr << "No \"origin\" flag found for weapon %s" << m_id <<std::endl;
      ASSERT(false);
    }
    if (origin_xml == "over")
      origin = weapon_origin_OVER;
    else
      origin = weapon_origin_HAND;
  } else {
    std::cerr << "No \"position\" flag found for weapon %s" << m_id <<std::endl;
    ASSERT(false);
  }

  elem = GetResourceManager().GetElement(weapons_res_profile, "hole", m_id);
  if (elem) {
    // E.g. <hole name="my_weapon_id" dx="-1" dy="0" />
    XmlReader::ReadIntAttr(elem, "dx", hole_delta.x);
    XmlReader::ReadIntAttr(elem, "dy", hole_delta.y);
  }
}
Esempio n. 9
0
void Weapon::Draw(){
  if (Game::GetInstance()->ReadState() != Game::PLAYING &&
      m_last_fire_time + 100 < Time::GetInstance()->Read())
    return;

#ifndef DEBUG_HOLE
  if (m_last_fire_time + m_fire_remanence_time > Time::GetInstance()->Read())
#endif
    DrawWeaponFire();

  DrawAmmoUnits();

  ASSERT(drawable || !ShouldBeDrawn());
  if (!(drawable && ShouldBeDrawn()))
    return;

  if (ActiveCharacter().IsGhost()
      || ActiveCharacter().IsDrowned()
      || ActiveCharacter().IsDead())
    return;

  // rotate weapon if needed
  if (!EqualsZero(min_angle - max_angle)) {
    if (ActiveCharacter().GetDirection() == DIRECTION_RIGHT)
      m_image->SetRotation_rad(ActiveCharacter().GetFiringAngle());
    else
      m_image->SetRotation_rad(ActiveCharacter().GetFiringAngle()-PI);
  } else {
    m_image->SetRotation_rad(ZERO);
  }

  // flip image if needed
  if (use_flipping) {
    m_image->SetFlipped(DIRECTION_LEFT == ActiveCharacter().GetDirection());
  }

  // Calculate position of the image
  int x,y;
  PosXY (x, y);

  // Animate the display of the weapon:
  if (m_time_anim_begin + ANIM_DISPLAY_TIME > Time::GetInstance()->Read()) {
    if (!EqualsZero(min_angle - max_angle)) {
      Double angle = m_image->GetRotation_rad();
      angle += sin(HALF_PI * Double(Time::GetInstance()->Read() - m_time_anim_begin) / ANIM_DISPLAY_TIME)
             * TWO_PI;
      m_image->SetRotation_rad(angle);
      m_image->Scale(ONE, ONE);
    }
    else {
      Double scale = sin((Double)1.5 * HALF_PI * Double(Time::GetInstance()->Read() - m_time_anim_begin) / ANIM_DISPLAY_TIME)
                   / sin((Double)1.5 * HALF_PI);
      if (scale.IsNotZero()) {
        m_image->Scale(scale, scale);
        m_image->SetFlipped(DIRECTION_LEFT == ActiveCharacter().GetDirection());
      }

      // Recompute position to get the icon centered over the skin
      if (origin == weapon_origin_OVER)
        PosXY(x,y);
    }
  } else
    m_image->Scale(ONE, ONE);

  if (m_image)
    m_image->Blit(GetMainWindow(), Point2i(x, y) - Camera::GetInstance()->GetPosition());

#ifdef DEBUG
  if (IsLOGGING("weapon")) {
    Point2i hand;
    ActiveCharacter().GetHandPosition(hand);
    Rectanglei rect(hand - 1 - Camera::GetInstance()->GetPosition(),
                    Point2i(3, 3));

    GetWorld().ToRedrawOnMap(rect);

    GetMainWindow().RectangleColor(rect, c_red);

    MSG_DEBUG("weapon.handposition", "Position: %d, %d - hand: %d, %d",
              ActiveCharacter().GetX(), ActiveCharacter().GetY(),
              hand.GetX(), hand.GetY());
  }
  if (IsLOGGING("weapon.hole")) {
    Rectanglei rect(GetGunHolePosition() - Camera::GetInstance()->GetPosition() - 1,
                    Point2i(3, 3));
  
    GetWorld().ToRedrawOnMap(rect);
    GetMainWindow().RectangleColor(rect, c_red);
  }
#endif
}