double DynamicBody::CalcAtmosphericForce(double dragCoeff) const
{
Body *body = GetFrame()->GetBody();
if (!body || !GetFrame()->IsRotFrame() || !body->IsType(Object::PLANET))
return 0.0;
Planet *planet = static_cast<Planet*>(body);
double dist = GetPosition().Length();
double speed = m_vel.Length();
double pressure, density;
planet->GetAtmosphericState(dist, &pressure, &density);
const double radius = GetClipRadius(); // bogus, preserving behaviour
const double area = radius;
// ^^^ yes that is as stupid as it looks
return 0.5*density*speed*speed*area*dragCoeff;
}
void DynamicBody::CalcExternalForce()
{
// gravity
if (!GetFrame()) return; // no external force if not in a frame
Body *body = GetFrame()->GetBody();
if (body && !body->IsType(Object::SPACESTATION)) { // they ought to have mass though...
vector3d b1b2 = GetPosition();
double m1m2 = GetMass() * body->GetMass();
double invrsqr = 1.0 / b1b2.LengthSqr();
double force = G*m1m2 * invrsqr;
m_externalForce = -b1b2 * sqrt(invrsqr) * force;
}
else m_externalForce = vector3d(0.0);
m_gravityForce = m_externalForce;
// atmospheric drag
if (body && GetFrame()->IsRotFrame() && body->IsType(Object::PLANET))
{
Planet *planet = static_cast<Planet*>(body);
double dist = GetPosition().Length();
double speed = m_vel.Length();
double pressure, density;
planet->GetAtmosphericState(dist, &pressure, &density);
const double radius = GetClipRadius(); // bogus, preserving behaviour
const double AREA = radius;
// ^^^ yes that is as stupid as it looks
const double DRAG_COEFF = 0.1; // 'smooth sphere'
vector3d dragDir = -m_vel.NormalizedSafe();
vector3d fDrag = 0.5*density*speed*speed*AREA*DRAG_COEFF*dragDir;
// make this a bit less daft at high time accel
// only allow atmosForce to increase by .1g per frame
vector3d f1g = m_atmosForce + dragDir * GetMass();
if (fDrag.LengthSqr() > f1g.LengthSqr()) m_atmosForce = f1g;
else m_atmosForce = fDrag;
m_externalForce += m_atmosForce;
}
else m_atmosForce = vector3d(0.0);
// centrifugal and coriolis forces for rotating frames
if (GetFrame()->IsRotFrame()) {
vector3d angRot(0, GetFrame()->GetAngSpeed(), 0);
m_externalForce -= m_mass * angRot.Cross(angRot.Cross(GetPosition())); // centrifugal
m_externalForce -= 2 * m_mass * angRot.Cross(GetVelocity()); // coriolis
}
}
// Calculates the ambiently and directly lit portions of the lighting model taking into account the atmosphere and sun positions at a given location
// 1. Calculates the amount of direct illumination available taking into account
// * multiple suns
// * sun positions relative to up direction i.e. light is dimmed as suns set
// * Thickness of the atmosphere overhead i.e. as atmospheres get thicker light starts dimming earlier as sun sets, without atmosphere the light switches off at point of sunset
// 2. Calculates the split between ambient and directly lit portions taking into account
// * Atmosphere density (optical thickness) of the sky dome overhead
// as optical thickness increases the fraction of ambient light increases
// this takes altitude into account automatically
// * As suns set the split is biased towards ambient
void ModelBody::CalcLighting(double &ambient, double &direct, const Camera *camera)
{
const double minAmbient = 0.05;
ambient = minAmbient;
direct = 1.0;
Body *astro = GetFrame()->GetBody();
if ( ! (astro && astro->IsType(Object::PLANET)) )
return;
Planet *planet = static_cast<Planet*>(astro);
// position relative to the rotating frame of the planet
vector3d upDir = GetInterpPositionRelTo(planet->GetFrame());
const double planetRadius = planet->GetSystemBody()->GetRadius();
const double dist = std::max(planetRadius, upDir.Length());
upDir = upDir.Normalized();
double pressure, density;
planet->GetAtmosphericState(dist, &pressure, &density);
double surfaceDensity;
Color cl;
planet->GetSystemBody()->GetAtmosphereFlavor(&cl, &surfaceDensity);
// approximate optical thickness fraction as fraction of density remaining relative to earths
double opticalThicknessFraction = density/EARTH_ATMOSPHERE_SURFACE_DENSITY;
// tweak optical thickness curve - lower exponent ==> higher altitude before ambient level drops
// Commenting this out, since it leads to a sharp transition at
// atmosphereRadius, where density is suddenly 0
//opticalThicknessFraction = pow(std::max(0.00001,opticalThicknessFraction),0.15); //max needed to avoid 0^power
if (opticalThicknessFraction < 0.0001)
return;
//step through all the lights and calculate contributions taking into account sun position
double light = 0.0;
double light_clamped = 0.0;
const std::vector<Camera::LightSource> &lightSources = camera->GetLightSources();
for(std::vector<Camera::LightSource>::const_iterator l = lightSources.begin();
l != lightSources.end(); ++l) {
double sunAngle;
// calculate the extent the sun is towards zenith
if (l->GetBody()){
// relative to the rotating frame of the planet
const vector3d lightDir = (l->GetBody()->GetInterpPositionRelTo(planet->GetFrame()).Normalized());
sunAngle = lightDir.Dot(upDir);
} else {
// light is the default light for systems without lights
sunAngle = 1.0;
}
const double critAngle = -sqrt(dist*dist-planetRadius*planetRadius)/dist;
//0 to 1 as sunangle goes from critAngle to 1.0
double sunAngle2 = (Clamp(sunAngle, critAngle, 1.0)-critAngle)/(1.0-critAngle);
// angle at which light begins to fade on Earth
const double surfaceStartAngle = 0.3;
// angle at which sun set completes, which should be after sun has dipped below the horizon on Earth
const double surfaceEndAngle = -0.18;
const double start = std::min((surfaceStartAngle*opticalThicknessFraction),1.0);
const double end = std::max((surfaceEndAngle*opticalThicknessFraction),-0.2);
sunAngle = (Clamp(sunAngle-critAngle, end, start)-end)/(start-end);
light += sunAngle;
light_clamped += sunAngle2;
}
light_clamped /= lightSources.size();
light /= lightSources.size();
// brightness depends on optical depth and intensity of light from all the stars
direct = 1.0 - Clamp((1.0 - light),0.0,1.0) * Clamp(opticalThicknessFraction,0.0,1.0);
// ambient light fraction
// alter ratio between directly and ambiently lit portions towards ambiently lit as sun sets
const double fraction = ( 0.2 + 0.8 * (1.0-light_clamped) ) * Clamp(opticalThicknessFraction,0.0,1.0);
// fraction of light left over to be lit directly
direct = (1.0-fraction)*direct;
// scale ambient by amount of light
ambient = fraction*(Clamp((light),0.0,1.0))*0.25;
ambient = std::max(minAmbient, ambient);
}
void Camera::Draw(Renderer *renderer, const Body *excludeBody)
{
if (!m_camFrame) return;
if (!renderer) return;
m_renderer = renderer;
glPushAttrib(GL_ALL_ATTRIB_BITS & (~GL_POINT_BIT));
m_renderer->SetPerspectiveProjection(m_fovAng, m_width/m_height, m_zNear, m_zFar);
m_renderer->SetTransform(matrix4x4f::Identity());
m_renderer->ClearScreen();
matrix4x4d trans2bg;
Frame::GetFrameRenderTransform(Pi::game->GetSpace()->GetRootFrame(), m_camFrame, trans2bg);
trans2bg.ClearToRotOnly();
// Pick up to four suitable system light sources (stars)
m_lightSources.clear();
m_lightSources.reserve(4);
position_system_lights(m_camFrame, Pi::game->GetSpace()->GetRootFrame(), m_lightSources);
if (m_lightSources.empty()) {
// no lights means we're somewhere weird (eg hyperspace). fake one
const Color col(1.f);
m_lightSources.push_back(LightSource(0, Graphics::Light(Graphics::Light::LIGHT_DIRECTIONAL, vector3f(0.f), col, col)));
}
//fade space background based on atmosphere thickness and light angle
float bgIntensity = 1.f;
if (m_camFrame->GetParent() && m_camFrame->GetParent()->IsRotFrame()) {
//check if camera is near a planet
Body *camParentBody = m_camFrame->GetParent()->GetBody();
if (camParentBody && camParentBody->IsType(Object::PLANET)) {
Planet *planet = static_cast<Planet*>(camParentBody);
const vector3f relpos(planet->GetInterpPositionRelTo(m_camFrame));
double altitude(relpos.Length());
double pressure, density;
planet->GetAtmosphericState(altitude, &pressure, &density);
if (pressure >= 0.001)
{
//go through all lights to calculate something resembling light intensity
float angle = 0.f;
for(std::vector<LightSource>::const_iterator it = m_lightSources.begin();
it != m_lightSources.end(); ++it) {
const vector3f lightDir(it->GetLight().GetPosition().Normalized());
angle += std::max(0.f, lightDir.Dot(-relpos.Normalized())) * it->GetLight().GetDiffuse().GetLuminance();
}
//calculate background intensity with some hand-tweaked fuzz applied
bgIntensity = Clamp(1.f - std::min(1.f, powf(density, 0.25f)) * (0.3f + powf(angle, 0.25f)), 0.f, 1.f);
}
}
}
Pi::game->GetSpace()->GetBackground().SetIntensity(bgIntensity);
Pi::game->GetSpace()->GetBackground().Draw(renderer, trans2bg);
{
std::vector<Graphics::Light> rendererLights;
for (size_t i = 0; i < m_lightSources.size(); i++)
rendererLights.push_back(m_lightSources[i].GetLight());
renderer->SetLights(rendererLights.size(), &rendererLights[0]);
}
for (std::list<BodyAttrs>::iterator i = m_sortedBodies.begin(); i != m_sortedBodies.end(); ++i) {
BodyAttrs *attrs = &(*i);
// explicitly exclude a single body if specified (eg player)
if (attrs->body == excludeBody)
continue;
double rad = attrs->body->GetClipRadius();
if (!m_frustum.TestPointInfinite((*i).viewCoords, rad))
continue;
// draw spikes for far objects
double screenrad = 500 * rad / attrs->camDist; // approximate pixel size
if (attrs->body->IsType(Object::PLANET) && screenrad < 2) {
// absolute bullshit
double spikerad = (7 + 1.5*log10(screenrad)) * rad / screenrad;
DrawSpike(spikerad, attrs->viewCoords, attrs->viewTransform);
}
else if (screenrad >= 2 || attrs->body->IsType(Object::STAR) ||
(attrs->body->IsType(Object::PROJECTILE) && screenrad > 0.25))
attrs->body->Render(renderer, this, attrs->viewCoords, attrs->viewTransform);
}
Sfx::RenderAll(renderer, Pi::game->GetSpace()->GetRootFrame(), m_camFrame);
m_frame->RemoveChild(m_camFrame);
delete m_camFrame;
m_camFrame = 0;
glPopAttrib();
}
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);
}
}
void Ship::StaticUpdate(const float timeStep)
{
AITimeStep(timeStep); // moved to correct place, maybe
if (GetHullTemperature() > 1.0) {
Space::KillBody(this);
}
UpdateAlertState();
/* FUEL SCOOPING!!!!!!!!! */
if (m_equipment.Get(Equip::SLOT_FUELSCOOP) != Equip::NONE) {
Body *astro = GetFrame()->m_astroBody;
if (astro && astro->IsType(Object::PLANET)) {
Planet *p = static_cast<Planet*>(astro);
if (p->IsSuperType(SBody::SUPERTYPE_GAS_GIANT)) {
double dist = GetPosition().Length();
double pressure, density;
p->GetAtmosphericState(dist, &pressure, &density);
double speed = GetVelocity().Length();
vector3d vdir = GetVelocity().Normalized();
matrix4x4d rot;
GetRotMatrix(rot);
vector3d pdir = -vector3d(rot[8], rot[9], rot[10]).Normalized();
double dot = vdir.Dot(pdir);
if ((m_stats.free_capacity) && (dot > 0.95) && (speed > 2000.0) && (density > 1.0)) {
double rate = speed*density*0.00001f;
if (Pi::rng.Double() < rate) {
m_equipment.Add(Equip::HYDROGEN);
if (this == reinterpret_cast<Ship*>(Pi::player)) {
Pi::Message(stringf(Lang::FUEL_SCOOP_ACTIVE_N_TONNES_H_COLLECTED,
formatarg("quantity", m_equipment.Count(Equip::SLOT_CARGO, Equip::HYDROGEN))));
}
UpdateMass();
}
}
}
}
}
// Cargo bay life support
if (m_equipment.Get(Equip::SLOT_CARGOLIFESUPPORT) != Equip::CARGO_LIFE_SUPPORT) {
// 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)) {
Equip::Type t = (Pi::rng.Int32(2) ? Equip::LIVE_ANIMALS : Equip::SLAVES);
if (m_equipment.Remove(t, 1)) {
m_equipment.Add(Equip::FERTILIZER);
if (this == reinterpret_cast<Ship*>(Pi::player)) {
Pi::Message(Lang::CARGO_BAY_LIFE_SUPPORT_LOST);
}
}
}
}
if (m_flightState == FLYING)
m_launchLockTimeout -= timeStep;
if (m_launchLockTimeout < 0) m_launchLockTimeout = 0;
/* can't orient ships in SetDockedWith() because it gets
* called from collision handler, and collision system gets a bit
* weirded out if bodies are moved in the middle of collision detection
*/
if (m_dockedWith) m_dockedWith->OrientDockedShip(this, m_dockedWithPort);
// lasers
for (int i=0; i<ShipType::GUNMOUNT_MAX; i++) {
m_gunRecharge[i] -= timeStep;
float rateCooling = 0.01f;
if (m_equipment.Get(Equip::SLOT_LASERCOOLER) != Equip::NONE) {
rateCooling *= float(EquipType::types[ m_equipment.Get(Equip::SLOT_LASERCOOLER) ].pval);
}
m_gunTemperature[i] -= rateCooling*timeStep;
if (m_gunTemperature[i] < 0.0f) m_gunTemperature[i] = 0;
if (m_gunRecharge[i] < 0.0f) m_gunRecharge[i] = 0;
if (!m_gunState[i]) continue;
if (m_gunRecharge[i] > 0.0f) continue;
if (m_gunTemperature[i] > 1.0) continue;
FireWeapon(i);
}
if (m_ecmRecharge > 0.0f) {
m_ecmRecharge = std::max(0.0f, m_ecmRecharge - timeStep);
}
if (m_stats.shield_mass_left < m_stats.shield_mass) {
// 250 second recharge
float recharge_rate = 0.004f;
if (m_equipment.Get(Equip::SLOT_ENERGYBOOSTER) != Equip::NONE) {
recharge_rate *= float(EquipType::types[ m_equipment.Get(Equip::SLOT_ENERGYBOOSTER) ].pval);
}
m_stats.shield_mass_left += m_stats.shield_mass * recharge_rate * timeStep;
}
m_stats.shield_mass_left = Clamp(m_stats.shield_mass_left, 0.0f, m_stats.shield_mass);
if (m_wheelTransition) {
m_wheelState += m_wheelTransition*0.3f*timeStep;
m_wheelState = Clamp(m_wheelState, 0.0f, 1.0f);
if (float_equal_exact(m_wheelState, 0.0f) || float_equal_exact(m_wheelState, 1.0f))
m_wheelTransition = 0;
}
if (m_testLanded) TestLanded();
if (m_equipment.Get(Equip::SLOT_HULLAUTOREPAIR) == Equip::HULL_AUTOREPAIR) {
const ShipType &stype = GetShipType();
m_stats.hull_mass_left = std::min(m_stats.hull_mass_left + 0.1f*timeStep, float(stype.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 NotifyDeleted()
if (m_hyperspace.countdown > 0.0f) {
m_hyperspace.countdown = m_hyperspace.countdown - timeStep;
if (m_hyperspace.countdown <= 0.0f) {
m_hyperspace.countdown = 0;
m_hyperspace.now = true;
}
}
if (m_hyperspace.now) {
m_hyperspace.now = false;
Space::StartHyperspaceTo(this, &m_hyperspace.dest);
}
}
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!!!!!!!!! */
if ((m_flightState == FLYING) && (m_equipment.Get(Equip::SLOT_FUELSCOOP) != Equip::NONE)) {
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*0.00001f;
if (Pi::rng.Double() < rate) {
m_equipment.Add(Equip::HYDROGEN);
UpdateEquipStats();
if (this->IsType(Object::PLAYER)) {
Pi::Message(stringf(Lang::FUEL_SCOOP_ACTIVE_N_TONNES_H_COLLECTED,
formatarg("quantity", m_equipment.Count(Equip::SLOT_CARGO, Equip::HYDROGEN))));
}
}
}
}
}
}
// Cargo bay life support
if (m_equipment.Get(Equip::SLOT_CARGOLIFESUPPORT) != Equip::CARGO_LIFE_SUPPORT) {
// 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)) {
Equip::Type t = (Pi::rng.Int32(2) ? Equip::LIVE_ANIMALS : Equip::SLAVES);
if (m_equipment.Remove(t, 1)) {
m_equipment.Add(Equip::FERTILIZER);
if (this->IsType(Object::PLAYER)) {
Pi::Message(Lang::CARGO_BAY_LIFE_SUPPORT_LOST);
}
}
}
}
if (m_flightState == FLYING)
m_launchLockTimeout -= timeStep;
if (m_launchLockTimeout < 0) m_launchLockTimeout = 0;
// lasers
for (int i=0; i<ShipType::GUNMOUNT_MAX; i++) {
m_gunRecharge[i] -= timeStep;
float rateCooling = 0.01f;
if (m_equipment.Get(Equip::SLOT_LASERCOOLER) != Equip::NONE) {
rateCooling *= float(Equip::types[ m_equipment.Get(Equip::SLOT_LASERCOOLER) ].pval);
}
m_gunTemperature[i] -= rateCooling*timeStep;
if (m_gunTemperature[i] < 0.0f) m_gunTemperature[i] = 0;
if (m_gunRecharge[i] < 0.0f) m_gunRecharge[i] = 0;
if (!m_gunState[i]) continue;
if (m_gunRecharge[i] > 0.0f) continue;
if (m_gunTemperature[i] > 1.0) continue;
FireWeapon(i);
}
if (m_ecmRecharge > 0.0f) {
m_ecmRecharge = std::max(0.0f, m_ecmRecharge - timeStep);
}
if (m_stats.shield_mass_left < m_stats.shield_mass) {
// 250 second recharge
float recharge_rate = 0.004f;
if (m_equipment.Get(Equip::SLOT_ENERGYBOOSTER) != Equip::NONE) {
recharge_rate *= float(Equip::types[ m_equipment.Get(Equip::SLOT_ENERGYBOOSTER) ].pval);
}
m_stats.shield_mass_left += m_stats.shield_mass * recharge_rate * timeStep;
}
m_stats.shield_mass_left = Clamp(m_stats.shield_mass_left, 0.0f, m_stats.shield_mass);
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();
if (m_equipment.Get(Equip::SLOT_HULLAUTOREPAIR) == Equip::HULL_AUTOREPAIR) {
const ShipType &stype = GetShipType();
m_stats.hull_mass_left = std::min(m_stats.hull_mass_left + 0.1f*timeStep, float(stype.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.countdown > 0.0f) {
m_hyperspace.countdown = m_hyperspace.countdown - timeStep;
if (m_hyperspace.countdown <= 0.0f) {
m_hyperspace.countdown = 0;
m_hyperspace.now = true;
}
}
if (m_hyperspace.now) {
m_hyperspace.now = false;
EnterHyperspace();
}
}