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Fix chemical fuel generator division by zero (#24793)

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This would happen when they run out of fuel.
This commit is contained in:
Pieter-Jan Briers
2024-02-01 04:36:41 +01:00
committed by GitHub
parent 73d7837fab
commit b029d05620
1 changed files with 21 additions and 9 deletions
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30
Content.Server/Power/Generator/GeneratorSystem.cs
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@@ -92,17 +92,28 @@ public sealed class GeneratorSystem : SharedGeneratorSystem
if (!_solutionContainer.ResolveSolution(entity.Owner, entity.Comp.SolutionName, ref entity.Comp.Solution, out var solution))
return;
var totalAvailableReagents = solution.GetTotalPrototypeQuantity(entity.Comp.Reagents.Keys.Select(p => p.Id).ToArray()).Value;
var totalReagent = 0f;
foreach (var (reagentId, _) in entity.Comp.Reagents)
{
totalReagent += solution.GetTotalPrototypeQuantity(reagentId).Float();
totalReagent += entity.Comp.FractionalReagents.GetValueOrDefault(reagentId);
}
if (totalReagent == 0)
return;
foreach (var (reagentId, multiplier) in entity.Comp.Reagents)
{
var availableReagent = solution.GetTotalPrototypeQuantity(reagentId).Value;
var removalPercentage = availableReagent / totalAvailableReagents;
var fractionalReagent = entity.Comp.FractionalReagents.GetValueOrDefault(reagentId);
var availableReagent = solution.GetTotalPrototypeQuantity(reagentId);
var availForRatio = fractionalReagent + availableReagent.Float();
var removalPercentage = availForRatio / totalReagent;
var toRemove = RemoveFractionalFuel(
ref fractionalReagent,
args.FuelUsed * removalPercentage,
multiplier * FixedPoint2.Epsilon.Float(),
availableReagent);
availableReagent.Value);
entity.Comp.FractionalReagents[reagentId] = fractionalReagent;
_solutionContainer.RemoveReagent(entity.Comp.Solution.Value, reagentId, FixedPoint2.FromCents(toRemove));
@@ -114,15 +125,12 @@ public sealed class GeneratorSystem : SharedGeneratorSystem
if (!_solutionContainer.ResolveSolution(entity.Owner, entity.Comp.SolutionName, ref entity.Comp.Solution, out var solution))
return;
var totalAvailableReagents = solution.GetTotalPrototypeQuantity(entity.Comp.Reagents.Keys.Select(p => p.Id).ToArray());
var fuel = 0f;
foreach (var (reagentId, multiplier) in entity.Comp.Reagents)
{
var availableReagent = solution.GetTotalPrototypeQuantity(reagentId);
var percentage = availableReagent / totalAvailableReagents;
var fractionalReagent = (availableReagent * percentage).Float();
var reagent = solution.GetTotalPrototypeQuantity(reagentId).Float();
reagent += entity.Comp.FractionalReagents.GetValueOrDefault(reagentId) * FixedPoint2.Epsilon.Float();
var reagent = entity.Comp.FractionalReagents.GetValueOrDefault(reagentId) * FixedPoint2.Epsilon.Float() + fractionalReagent;
fuel += reagent * multiplier;
}
@@ -143,6 +151,10 @@ public sealed class GeneratorSystem : SharedGeneratorSystem
private int RemoveFractionalFuel(ref float fractional, float fuelUsed, float multiplier, int availableQuantity)
{
// Just a sanity thing since I got worried this might be possible.
if (!float.IsFinite(fractional))
fractional = 0;
fractional -= fuelUsed / multiplier;
if (fractional >= 0)
return 0;