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Prevent mutation of non-unique plant seeds (#15702)

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This commit is contained in:
Leon Friedrich
2023-05-02 13:37:30 +12:00
committed by GitHub
parent 597699a47f
commit e9b5849ddb
1 changed files with 21 additions and 15 deletions
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36
Content.Server/Botany/Systems/MutationSystem.cs
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@@ -2,7 +2,7 @@ using Robust.Shared.Random;
namespace Content.Server.Botany;
public class MutationSystem : EntitySystem
public sealed class MutationSystem : EntitySystem
{
[Dependency] private readonly IRobustRandom _robustRandom = default!;
@@ -18,6 +18,12 @@ public class MutationSystem : EntitySystem
/// </summary>
public void MutateSeed(SeedData seed, float severity)
{
if (!seed.Unique)
{
Logger.Error($"Attempted to mutate a shared seed");
return;
}
// Add up everything in the bits column and put the number here.
const int totalbits = 245;
@@ -62,7 +68,7 @@ public class MutationSystem : EntitySystem
{
SeedData result = b.Clone();
result.Chemicals = random(0.5f) ? a.Chemicals : result.Chemicals;
result.Chemicals = Random(0.5f) ? a.Chemicals : result.Chemicals;
CrossFloat(ref result.NutrientConsumption, a.NutrientConsumption);
CrossFloat(ref result.WaterConsumption, a.WaterConsumption);
@@ -91,11 +97,11 @@ public class MutationSystem : EntitySystem
CrossBool(ref result.Bioluminescent, a.Bioluminescent);
CrossBool(ref result.TurnIntoKudzu, a.TurnIntoKudzu);
CrossBool(ref result.CanScream, a.CanScream);
result.BioluminescentColor = random(0.5f) ? a.BioluminescentColor : result.BioluminescentColor;
result.BioluminescentColor = Random(0.5f) ? a.BioluminescentColor : result.BioluminescentColor;
// Hybrids have a high chance of being seedless. Balances very
// effective hybrid crossings.
if (a.Name == result.Name && random(0.7f))
if (a.Name == result.Name && Random(0.7f))
{
result.Seedless = true;
}
@@ -113,7 +119,7 @@ public class MutationSystem : EntitySystem
{
// Probability that a bit flip happens for this value.
float p = mult*bits/totalbits;
if (!random(p))
if (!Random(p))
{
return;
}
@@ -126,7 +132,7 @@ public class MutationSystem : EntitySystem
// Probability that the bit flip increases n.
float p_increase = 1-(float)n/bits;
int np;
if (random(p_increase))
if (Random(p_increase))
{
np = n + 1;
}
@@ -144,7 +150,7 @@ public class MutationSystem : EntitySystem
{
// Probability that a bit flip happens for this value.
float p = mult*bits/totalbits;
if (!random(p))
if (!Random(p))
{
return;
}
@@ -152,7 +158,7 @@ public class MutationSystem : EntitySystem
// Probability that the bit flip increases n.
float p_increase = 1-(float)n/bits;
int np;
if (random(p_increase))
if (Random(p_increase))
{
np = n + 1;
}
@@ -169,7 +175,7 @@ public class MutationSystem : EntitySystem
{
// Probability that a bit flip happens for this value.
float p = mult*bits/totalbits;
if (!random(p))
if (!Random(p))
{
return;
}
@@ -180,7 +186,7 @@ public class MutationSystem : EntitySystem
private void MutateHarvestType(ref HarvestType val, int bits, int totalbits, float mult)
{
float p = mult * bits/totalbits;
if (!random(p))
if (!Random(p))
return;
if (val == HarvestType.NoRepeat)
@@ -193,7 +199,7 @@ public class MutationSystem : EntitySystem
private Color RandomColor(Color color, int bits, int totalbits, float mult)
{
float p = mult*bits/totalbits;
if (random(p))
if (Random(p))
{
var colors = new List<Color>{
Color.White,
@@ -212,20 +218,20 @@ public class MutationSystem : EntitySystem
private void CrossFloat(ref float val, float other)
{
val = random(0.5f) ? val : other;
val = Random(0.5f) ? val : other;
}
private void CrossInt(ref int val, int other)
{
val = random(0.5f) ? val : other;
val = Random(0.5f) ? val : other;
}
private void CrossBool(ref bool val, bool other)
{
val = random(0.5f) ? val : other;
val = Random(0.5f) ? val : other;
}
private bool random(float p)
private bool Random(float p)
{
return _robustRandom.Prob(p);
}