void SpaceStation::StaticUpdate(const float timeStep)
{
bool update = false;
// if there's no BB and there are ships here, make one
if (!m_bbCreated && GetFreeDockingPort() != 0) {
CreateBB();
update = true;
}
// if there is and it hasn't had an update for a while, update it
else if (Pi::game->GetTime() > m_lastUpdatedShipyard) {
LuaEvent::Queue("onUpdateBB", this);
update = true;
}
if (update) {
UpdateShipyard();
// update again in an hour or two
m_lastUpdatedShipyard = Pi::game->GetTime() + 3600.0 + 3600.0*Pi::rng.Double();
}
DoLawAndOrder(timeStep);
DockingUpdate(timeStep);
m_navLights->Update(timeStep);
}
bool SpaceStation::OnCollision(Object *b, Uint32 flags, double relVel)
{
if ((flags & 0x10) && (b->IsType(Object::SHIP))) {
Ship *s = static_cast<Ship*>(b);
matrix4x4d rot;
GetRotMatrix(rot);
bool canDock = true;
int port = -1;
for (int i=0; i<MAX_DOCKING_PORTS; i++) {
if (m_shipDocking[i].ship == s) { port = i; break; }
}
if (m_type->dockOneAtATimePlease) {
for (int i=0; i<m_type->numDockingPorts; i++) {
if (m_shipDocking[i].ship && m_shipDocking[i].stage != 1 &&
(m_shipDocking[i].stage != m_type->numDockingStages+1)) {
canDock = false;
break;
}
}
} else {
// for non-dockOneAtATimePlease, the ship is expected
// to hit the right docking trigger surface for that port
if (m_shipDocking[flags&0xf].ship != s) canDock = false;
}
if (port == -1) canDock = false;
// hitting docking area of a station
if (canDock) {
SpaceStationType::positionOrient_t dport;
// why stage 2? Because stage 1 is permission to dock
// granted, stage 2 is start of docking animation.
PiVerify(m_type->GetDockAnimPositionOrient(port, 2, 0.0f, vector3d(0.0), dport, s));
double speed = s->GetVelocity().Length();
// must be oriented sensibly and have wheels down
if (IsGroundStation()) {
matrix4x4d shiprot;
s->GetRotMatrix(shiprot);
matrix4x4d invShipRot = shiprot.InverseOf();
vector3d dockingNormal = rot*dport.yaxis;
// check player is sortof sensibly oriented for landing
const double dot = vector3d(invShipRot[1], invShipRot[5], invShipRot[9]).Dot(dockingNormal);
if ((dot < 0.99) || (s->GetWheelState() != 1.0)) return false;
}
if ((speed < MAX_LANDING_SPEED) &&
(!s->GetDockedWith()) &&
(m_shipDocking[port].stage == 1)) {
// if there is more docking port anim to do,
// don't set docked yet
if (m_type->numDockingStages >= 2) {
shipDocking_t &sd = m_shipDocking[port];
sd.ship = s;
sd.stage = 2;
sd.stagePos = 0;
sd.fromPos = rot.InverseOf() * (s->GetPosition() - GetPosition());
matrix4x4d temp;
s->GetRotMatrix(temp);
sd.fromRot = Quaterniond::FromMatrix4x4(temp);
s->Disable();
s->SetFlightState(Ship::DOCKING);
} else {
s->SetDockedWith(this, port);
CreateBB();
Pi::luaOnShipDocked.Queue(s, this);
}
}
}
return false;
} else {
return true;
}
}
void SpaceStation::DoDockingAnimation(const double timeStep)
{
matrix4x4d rot, wantRot;
vector3d p1, p2, zaxis;
for (int i=0; i<MAX_DOCKING_PORTS; i++) {
shipDocking_t &dt = m_shipDocking[i];
if (!dt.ship) continue;
if (!dt.stage) continue;
// docked stage is m_type->numDockingPorts + 1
if (dt.stage > m_type->numDockingStages) continue;
GetRotMatrix(rot);
double stageDuration = (dt.stage > 0 ?
m_type->dockAnimStageDuration[dt.stage-1] :
m_type->undockAnimStageDuration[abs(dt.stage)-1]);
dt.stagePos += timeStep / stageDuration;
if (dt.stage == 1) {
// SPECIAL stage! Docking granted but waiting for ship
// to dock
m_openAnimState[i] += 0.3*timeStep;
m_dockAnimState[i] -= 0.3*timeStep;
if (dt.stagePos >= 1.0) {
if (dt.ship == static_cast<Ship*>(Pi::player)) Pi::onDockingClearanceExpired.emit(this);
dt.ship = 0;
dt.stage = 0;
}
continue;
}
if (dt.stagePos > 1.0) {
dt.stagePos = 0;
if (dt.stage >= 0) dt.stage++;
else dt.stage--;
dt.fromPos = rot.InverseOf() * (dt.ship->GetPosition() - GetPosition());
matrix4x4d temp;
dt.ship->GetRotMatrix(temp);
dt.fromRot = Quaterniond::FromMatrix4x4(temp);
}
SpaceStationType::positionOrient_t shipOrient;
bool onRails = m_type->GetDockAnimPositionOrient(i, dt.stage, dt.stagePos, dt.fromPos, shipOrient, dt.ship);
if (onRails) {
dt.ship->SetPosition(GetPosition() + rot*shipOrient.pos);
wantRot = matrix4x4d::MakeRotMatrix(
shipOrient.xaxis, shipOrient.yaxis,
shipOrient.xaxis.Cross(shipOrient.yaxis)) * rot;
// use quaternion spherical linear interpolation to do
// rotation smoothly
Quaterniond wantQuat = Quaterniond::FromMatrix4x4(wantRot);
Quaterniond q = Quaterniond::Nlerp(dt.fromRot, wantQuat, dt.stagePos);
wantRot = q.ToMatrix4x4<double>();
// wantRot.Renormalize();
dt.ship->SetRotMatrix(wantRot);
} else {
if (dt.stage >= 0) {
// set docked
dt.ship->SetDockedWith(this, i);
CreateBB();
Pi::luaOnShipDocked.Queue(dt.ship, this);
} else {
if (!dt.ship->IsEnabled()) {
// launch ship
dt.ship->Enable();
dt.ship->SetFlightState(Ship::FLYING);
dt.ship->SetAngVelocity(GetFrame()->GetAngVelocity());
dt.ship->SetForce(vector3d(0,0,0));
dt.ship->SetTorque(vector3d(0,0,0));
if (m_type->dockMethod == SpaceStationType::SURFACE) {
dt.ship->SetThrusterState(1, 1.0); // up
} else {
dt.ship->SetVelocity(GetFrame()->GetStasisVelocityAtPosition(dt.ship->GetPosition()));
dt.ship->SetThrusterState(2, -1.0); // forward
}
Pi::luaOnShipUndocked.Queue(dt.ship, this);
}
}
}
if ((dt.stage < 0) && ((-dt.stage) > m_type->numUndockStages)) {
dt.stage = 0;
dt.ship = 0;
}
}
for (int i=0; i<MAX_DOCKING_PORTS; i++) {
m_openAnimState[i] = Clamp(m_openAnimState[i], 0.0, 1.0);
m_dockAnimState[i] = Clamp(m_dockAnimState[i], 0.0, 1.0);
}
}
