void AccelerationSystem::Update( double DeltaTime )
{
for( ActorList_t::iterator it = mScene.GetActors().begin(), e = mScene.GetActors().end(); it != e; ++it )
{
Actor& actor = **it;
Opt<IMoveComponent> moveC = actor.Get<IMoveComponent>();
if ( !moveC.IsValid() )
{
continue;
}
Opt<IAccelerationComponent> accelerationC = actor.Get<IAccelerationComponent>();
if ( !accelerationC.IsValid() )
{
continue;
}
double speed = moveC->GetSpeed().mBase.Get();
double acceleration = accelerationC->GetAcceleration();
speed += acceleration * DeltaTime;
speed = ( acceleration > 0.0 ) ?
std::min( speed, accelerationC->GetMaxSpeed() ) :
std::max( speed, accelerationC->GetMinSpeed() );
moveC->GetSpeed().mBase.Set( speed );
}
}
void BounceCollisionSubSystem::Collide( Actor& actor, Actor& other )
{
Opt<BounceCollisionComponent> bounceCC = actor.Get<BounceCollisionComponent>();
if (mShotCollisionSubSystem.IsValid() && bounceCC->IsUseShotCollision())
{
mShotCollisionSubSystem->Collide(actor, other);
}
//TODO: for now its wallcc should be a bouncableComponent or this should be a collision class
Opt<WallCollisionComponent> wallCC = other.Get<WallCollisionComponent>();
if( !wallCC.IsValid() )
{
return;
}
Opt<IPositionComponent> positionC = actor.Get<IPositionComponent>();
Opt<IMoveComponent> moveC = actor.Get<IMoveComponent>();
Opt<IPositionComponent> otherPositionC = other.Get<IPositionComponent>();
Opt<ICollisionComponent> otherCC = other.Get<ICollisionComponent>();
if ( !otherPositionC.IsValid() || !otherCC.IsValid() || !positionC.IsValid() )
{
return;
}
double const dx = otherPositionC->GetX() - positionC->GetX();
double const dy = otherPositionC->GetY() - positionC->GetY();
const double h = moveC->GetHeading();
double c = cos( h );
double s = sin( h );
double at = atan2( s, c );
double at2 = atan2( c, s );
if( std::abs( dx ) > std::abs( dy ) )
{
c *= -1;
}
else if( std::abs( dx ) < std::abs( dy ) )
{
s *= -1;
}
moveC->SetHeading( atan2( s, c ) );
moveC->GetSpeed().mBase.Set( moveC->GetSpeed().mBase.Get() * ( 1.0 - bounceCC->GetSpeedLossPercent() ) );
if (bounceCC->GetHitCountToKill() > 0)
{
bounceCC->SetHitCountToKill(bounceCC->GetHitCountToKill() - 1);
}
if (bounceCC->IsResetActorsCollidedOnBounce())
{
bounceCC->ResetDamagedActorIds();
}
}
std::auto_ptr<RotateMessage> RotateMessageSenderSystem::GenerateRotateMessage(Actor &actor)
{
Opt<IRotateComponent> rotateC = actor.Get<IRotateComponent>();
if (!rotateC.IsValid())
{
return std::auto_ptr<RotateMessage>();
}
std::auto_ptr<RotateMessage> rotateMsg(new RotateMessage);
rotateMsg->mActorGUID=actor.GetGUID();
rotateMsg->mSpeed=rotateC->GetSpeed();
rotateMsg->mRotating=rotateC->IsRotating();
return rotateMsg;
}
