void Ship::TestLanded()
{
m_testLanded = false;
if (m_launchLockTimeout > 0.0f) return;
if (m_wheelState < 1.0f) return;
if (GetFrame()->GetBody()->IsType(Object::PLANET)) {
double speed = GetVelocity().Length();
vector3d up = GetPosition().Normalized();
const double planetRadius = static_cast<Planet*>(GetFrame()->GetBody())->GetTerrainHeight(up);
if (speed < MAX_LANDING_SPEED) {
// check player is sortof sensibly oriented for landing
if (GetOrient().VectorY().Dot(up) > 0.99) {
// position at zero altitude
SetPosition(up * (planetRadius - GetAabb().min.y));
// position facing in roughly the same direction
vector3d right = up.Cross(GetOrient().VectorZ()).Normalized();
SetOrient(matrix3x3d::FromVectors(right, up));
SetVelocity(vector3d(0, 0, 0));
SetAngVelocity(vector3d(0, 0, 0));
ClearThrusterState();
SetFlightState(LANDED);
Sound::BodyMakeNoise(this, "Rough_Landing", 1.0f);
LuaEvent::Queue("onShipLanded", this, GetFrame()->GetBody());
onLanded.emit();
}
}
}
}
void Ship::EnterHyperspace() {
assert(GetFlightState() != Ship::HYPERSPACE);
const SystemPath dest = GetHyperspaceDest();
int fuel_cost;
Ship::HyperjumpStatus status = CheckHyperspaceTo(dest, fuel_cost, m_hyperspace.duration);
if (status != HYPERJUMP_OK) {
// XXX something has changed (fuel loss, mass change, whatever).
// could report it to the player but better would be to cancel the
// countdown before this is reached. either way do something
return;
}
Equip::Type fuelType = GetHyperdriveFuelType();
m_equipment.Remove(fuelType, fuel_cost);
if (fuelType == Equip::MILITARY_FUEL) {
m_equipment.Add(Equip::RADIOACTIVES, fuel_cost);
}
UpdateEquipStats();
LuaEvent::Queue("onLeaveSystem", this);
SetFlightState(Ship::HYPERSPACE);
// virtual call, do class-specific things
OnEnterHyperspace();
}
void Ship::EnterHyperspace() {
assert(GetFlightState() != Ship::HYPERSPACE);
// Is it still a good idea, with the onLeaveSystem moved elsewhere?
Ship::HyperjumpStatus status = CheckHyperjumpCapability();
if (status != HYPERJUMP_OK && status != HYPERJUMP_INITIATED) {
if (m_flightState == JUMPING)
SetFlightState(FLYING);
return;
}
// Clear ships cached list of nearby bodies so we don't try to access them.
m_nearbyBodies.clear();
SetFlightState(Ship::HYPERSPACE);
// virtual call, do class-specific things
OnEnterHyperspace();
}
void Ship::EnterSystem() {
assert(GetFlightState() == Ship::HYPERSPACE);
// virtual call, do class-specific things
OnEnterSystem();
SetFlightState(Ship::FLYING);
LuaEvent::Queue("onEnterSystem", this);
}
void Ship::Blastoff()
{
if (m_flightState != LANDED) return;
vector3d up = GetPosition().Normalized();
assert(GetFrame()->GetBody()->IsType(Object::PLANET));
const double planetRadius = 2.0 + static_cast<Planet*>(GetFrame()->GetBody())->GetTerrainHeight(up);
SetVelocity(vector3d(0, 0, 0));
SetAngVelocity(vector3d(0, 0, 0));
SetFlightState(FLYING);
SetPosition(up*planetRadius - GetAabb().min.y*up);
SetThrusterState(1, 1.0); // thrust upwards
LuaEvent::Queue("onShipTakeOff", this, GetFrame()->GetBody());
}
void Ship::SetLandedOn(Planet *p, float latitude, float longitude)
{
m_wheelTransition = 0;
m_wheelState = 1.0f;
Frame* f = p->GetFrame()->GetRotFrame();
SetFrame(f);
vector3d up = vector3d(cos(latitude)*sin(longitude), sin(latitude), cos(latitude)*cos(longitude));
const double planetRadius = p->GetTerrainHeight(up);
SetPosition(up * (planetRadius - GetAabb().min.y));
vector3d right = up.Cross(vector3d(0,0,1)).Normalized();
SetOrient(matrix3x3d::FromVectors(right, up));
SetVelocity(vector3d(0, 0, 0));
SetAngVelocity(vector3d(0, 0, 0));
ClearThrusterState();
SetFlightState(LANDED);
LuaEvent::Queue("onShipLanded", this, p);
onLanded.emit();
}
void Ship::StaticUpdate(const float timeStep)
{
// do player sounds before dead check, so they also turn off
if (IsType(Object::PLAYER)) DoThrusterSounds();
if (IsDead()) return;
if (m_controller) m_controller->StaticUpdate(timeStep);
if (GetHullTemperature() > 1.0)
Explode();
UpdateAlertState();
/* FUEL SCOOPING!!!!!!!!! */
int capacity = 0;
Properties().Get("fuel_scoop_cap", capacity);
if (m_flightState == FLYING && capacity > 0) {
Body *astro = GetFrame()->GetBody();
if (astro && astro->IsType(Object::PLANET)) {
Planet *p = static_cast<Planet*>(astro);
if (p->GetSystemBody()->IsScoopable()) {
double dist = GetPosition().Length();
double pressure, density;
p->GetAtmosphericState(dist, &pressure, &density);
double speed = GetVelocity().Length();
vector3d vdir = GetVelocity().Normalized();
vector3d pdir = -GetOrient().VectorZ();
double dot = vdir.Dot(pdir);
if ((m_stats.free_capacity) && (dot > 0.95) && (speed > 2000.0) && (density > 1.0)) {
double rate = speed*density*0.00000333f*double(capacity);
if (Pi::rng.Double() < rate) {
lua_State *l = Lua::manager->GetLuaState();
pi_lua_import(l, "Equipment");
LuaTable hydrogen = LuaTable(l, -1).Sub("cargo").Sub("hydrogen");
LuaObject<Ship>::CallMethod(this, "AddEquip", hydrogen);
UpdateEquipStats();
if (this->IsType(Object::PLAYER)) {
Pi::game->log->Add(stringf(Lang::FUEL_SCOOP_ACTIVE_N_TONNES_H_COLLECTED,
formatarg("quantity", LuaObject<Ship>::CallMethod<int>(this, "CountEquip", hydrogen))));
}
lua_pop(l, 3);
}
}
}
}
}
// Cargo bay life support
capacity = 0;
Properties().Get("cargo_life_support_cap", capacity);
if (!capacity) {
// Hull is pressure-sealed, it just doesn't provide
// temperature regulation and breathable atmosphere
// kill stuff roughly every 5 seconds
if ((!m_dockedWith) && (5.0*Pi::rng.Double() < timeStep)) {
std::string t(Pi::rng.Int32(2) ? "live_animals" : "slaves");
lua_State *l = Lua::manager->GetLuaState();
pi_lua_import(l, "Equipment");
LuaTable cargo = LuaTable(l, -1).Sub("cargo");
if (LuaObject<Ship>::CallMethod<int>(this, "RemoveEquip", cargo.Sub(t))) {
LuaObject<Ship>::CallMethod<int>(this, "AddEquip", cargo.Sub("fertilizer"));
if (this->IsType(Object::PLAYER)) {
Pi::game->log->Add(Lang::CARGO_BAY_LIFE_SUPPORT_LOST);
}
lua_pop(l, 4);
}
else
lua_pop(l, 3);
}
}
if (m_flightState == FLYING)
m_launchLockTimeout -= timeStep;
if (m_launchLockTimeout < 0) m_launchLockTimeout = 0;
if (m_flightState == JUMPING || m_flightState == HYPERSPACE)
m_launchLockTimeout = 0;
// lasers
for (int i=0; i<ShipType::GUNMOUNT_MAX; i++) {
m_gun[i].recharge -= timeStep;
float rateCooling = 0.01f;
float cooler = 1.0f;
Properties().Get("laser_cooler_cap", cooler);
rateCooling *= cooler;
m_gun[i].temperature -= rateCooling*timeStep;
if (m_gun[i].temperature < 0.0f) m_gun[i].temperature = 0;
if (m_gun[i].recharge < 0.0f) m_gun[i].recharge = 0;
if (!m_gun[i].state) continue;
if (m_gun[i].recharge > 0.0f) continue;
if (m_gun[i].temperature > 1.0) continue;
FireWeapon(i);
}
if (m_ecmRecharge > 0.0f) {
m_ecmRecharge = std::max(0.0f, m_ecmRecharge - timeStep);
}
if (m_shieldCooldown > 0.0f) {
m_shieldCooldown = std::max(0.0f, m_shieldCooldown - timeStep);
}
if (m_stats.shield_mass_left < m_stats.shield_mass) {
// 250 second recharge
float recharge_rate = 0.004f;
float booster = 1.0f;
Properties().Get("shield_energy_booster_cap", booster);
recharge_rate *= booster;
m_stats.shield_mass_left = Clamp(m_stats.shield_mass_left + m_stats.shield_mass * recharge_rate * timeStep, 0.0f, m_stats.shield_mass);
Properties().Set("shieldMassLeft", m_stats.shield_mass_left);
}
if (m_wheelTransition) {
m_wheelState += m_wheelTransition*0.3f*timeStep;
m_wheelState = Clamp(m_wheelState, 0.0f, 1.0f);
if (is_equal_exact(m_wheelState, 0.0f) || is_equal_exact(m_wheelState, 1.0f))
m_wheelTransition = 0;
}
if (m_testLanded) TestLanded();
capacity = 0;
Properties().Get("hull_autorepair_cap", capacity);
if (capacity) {
m_stats.hull_mass_left = std::min(m_stats.hull_mass_left + 0.1f*timeStep, float(m_type->hullMass));
Properties().Set("hullMassLeft", m_stats.hull_mass_left);
Properties().Set("hullPercent", 100.0f * (m_stats.hull_mass_left / float(m_type->hullMass)));
}
// After calling StartHyperspaceTo this Ship must not spawn objects
// holding references to it (eg missiles), as StartHyperspaceTo
// removes the ship from Space::bodies and so the missile will not
// have references to this cleared by NotifyRemoved()
if (m_hyperspace.now) {
m_hyperspace.now = false;
EnterHyperspace();
}
if (m_hyperspace.countdown > 0.0f) {
// Check the Lua function
bool abort = false;
lua_State * l = m_hyperspace.checks.GetLua();
if (l) {
m_hyperspace.checks.PushCopyToStack();
if (lua_isfunction(l, -1)) {
lua_call(l, 0, 1);
abort = !lua_toboolean(l, -1);
lua_pop(l, 1);
}
}
if (abort) {
AbortHyperjump();
} else {
m_hyperspace.countdown = m_hyperspace.countdown - timeStep;
if (!abort && m_hyperspace.countdown <= 0.0f) {
m_hyperspace.countdown = 0;
m_hyperspace.now = true;
SetFlightState(JUMPING);
// We have to fire it here, because the event isn't actually fired until
// after the whole physics update, which means the flight state on next
// step would be HYPERSPACE, thus breaking quite a few things.
LuaEvent::Queue("onLeaveSystem", this);
}
}
}
//Add smoke trails for missiles on thruster state
static double s_timeAccum = 0.0;
s_timeAccum += timeStep;
if (m_type->tag == ShipType::TAG_MISSILE && !is_equal_exact(m_thrusters.LengthSqr(), 0.0) && (s_timeAccum > 4 || 0.1*Pi::rng.Double() < timeStep)) {
s_timeAccum = 0.0;
const vector3d pos = GetOrient() * vector3d(0, 0 , 5);
const float speed = std::min(10.0*GetVelocity().Length()*std::max(1.0,fabs(m_thrusters.z)),100.0);
SfxManager::AddThrustSmoke(this, speed, pos);
}
}
