public void Execute(Vessel v, Vessel_info vi, Vessel_resources resources, double elapsed_s)
{
// store list of crew to kill
List <ProtoCrewMember> deferred_kills = new List <ProtoCrewMember>();
// get input resource handler
Resource_info res = input.Length > 0 ? resources.Info(v, input) : null;
// determine message variant
uint variant = vi.temperature < PreferencesLifeSupport.Instance.survivalTemperature ? 0 : 1u;
// get product of all environment modifiers
double k = Modifiers.Evaluate(v, vi, resources, modifiers);
bool lifetime_enabled = PreferencesBasic.Instance.lifetime;
// for each crew
foreach (ProtoCrewMember c in Lib.CrewList(v))
{
// get kerbal data
KerbalData kd = DB.Kerbal(c.name);
// skip rescue kerbals
if (kd.rescue)
{
continue;
}
// skip disabled kerbals
if (kd.disabled)
{
continue;
}
// get kerbal property data from db
RuleData rd = kd.Rule(name);
rd.lifetime = lifetime_enabled && lifetime;
// if continuous
double step;
if (interval <= double.Epsilon)
{
// influence consumption by elapsed time
step = elapsed_s;
}
// if interval-based
else
{
// accumulate time
rd.time_since += elapsed_s;
// determine number of steps
step = Math.Floor(rd.time_since / interval);
// consume time
rd.time_since -= step * interval;
// remember if a meal is consumed/produced in this simulation step
if (step > 0.99)
{
res.SetMealHappened();
}
if (output.Length > 0 && step > 0.99)
{
ResourceCache.Info(v, output).SetMealHappened();
}
}
// if continuous, or if one or more intervals elapsed
if (step > double.Epsilon)
{
double r = rate * Variance(name, c, individuality); // kerbal-specific variance
// if there is a resource specified
if (res != null && r > double.Epsilon)
{
// determine amount of resource to consume
double required = r // consumption rate
* k // product of environment modifiers
* step; // seconds elapsed or number of steps
// if there is no output
if (output.Length == 0)
{
// simply consume (that is faster)
res.Consume(required);
}
// if there is an output and monitor is false
else if (!monitor)
{
// transform input into output resource
// - rules always dump excess overboard (because it is waste)
Resource_recipe recipe = new Resource_recipe((Part)null); // kerbals are not associated with a part
recipe.Input(input, required);
recipe.Output(output, required * ratio, true);
resources.Transform(recipe);
}
// if monitor then do not consume input resource and only produce output if resource percentage + monitor_offset is < 100%
else if ((res.amount / res.capacity) + monitor_offset < 1.0)
{
// simply produce (that is faster)
resources.Produce(v, output, required * ratio);
}
}
// degenerate:
// - if the environment modifier is not telling to reset (by being zero)
// - if the input threshold is reached if used
// - if this rule is resource-less, or if there was not enough resource in the vessel
if (input_threshold >= double.Epsilon)
{
if (res.amount >= double.Epsilon && res.capacity >= double.Epsilon)
{
trigger = (res.amount / res.capacity) + monitor_offset >= input_threshold;
}
else
{
trigger = false;
}
}
else
{
trigger = input.Length == 0 || res.amount <= double.Epsilon;
}
if (k > 0.0 && trigger)
{
rd.problem += degeneration // degeneration rate per-second or per-interval
* k // product of environment modifiers
* step // seconds elapsed or by number of steps
* Variance(name, c, variance); // kerbal-specific variance
}
// else slowly recover
else
{
rd.problem *= 1.0 / (1.0 + Math.Max(interval, 1.0) * step * 0.002);
}
}
bool do_breakdown = false;
if (breakdown && PreferencesBasic.Instance.stressBreakdowns)
{
// stress level
double breakdown_probability = rd.problem / warning_threshold;
breakdown_probability = Lib.Clamp(breakdown_probability, 0.0, 1.0);
// use the stupidity of a kerbal.
// however, nobody is perfect - not even a kerbal with a stupidity of 0.
breakdown_probability *= c.stupidity * 0.6 + 0.4;
// apply the weekly error rate
breakdown_probability *= PreferencesBasic.Instance.stressBreakdownRate;
// now we have the probability for one failure per week, based on the
// individual stupidity and stress level of the kerbal.
breakdown_probability = (breakdown_probability * elapsed_s) / (Lib.DaysInYear() * Lib.HoursInDay() * 3600);
if (breakdown_probability > Lib.RandomDouble())
{
do_breakdown = true;
// we're stressed out and just made a major mistake, this further increases the stress level...
rd.problem += warning_threshold * 0.05; // add 5% of the warning treshold to current stress level
}
}
// kill kerbal if necessary
if (rd.problem >= fatal_threshold)
{
if (fatal_message.Length > 0)
{
Message.Post(breakdown ? Severity.breakdown : Severity.fatality, Lib.ExpandMsg(fatal_message, v, c, variant));
}
if (breakdown)
{
do_breakdown = true;
// move back between warning and danger level
rd.problem = (warning_threshold + danger_threshold) * 0.5;
// make sure next danger message is shown
rd.message = 1;
}
else
{
deferred_kills.Add(c);
}
}
// show messages
else if (rd.problem >= danger_threshold && rd.message < 2)
{
if (danger_message.Length > 0)
{
Message.Post(Severity.danger, Lib.ExpandMsg(danger_message, v, c, variant));
}
rd.message = 2;
}
else if (rd.problem >= warning_threshold && rd.message < 1)
{
if (warning_message.Length > 0)
{
Message.Post(Severity.warning, Lib.ExpandMsg(warning_message, v, c, variant));
}
rd.message = 1;
}
else if (rd.problem < warning_threshold && rd.message > 0)
{
if (relax_message.Length > 0)
{
Message.Post(Severity.relax, Lib.ExpandMsg(relax_message, v, c, variant));
}
rd.message = 0;
}
if (do_breakdown)
{
// trigger breakdown event
Misc.Breakdown(v, c);
}
}
// execute the deferred kills
foreach (ProtoCrewMember c in deferred_kills)
{
Misc.Kill(v, c);
}
}
