Refactor simulation effects and forecast hazards

src/ReactorMaintenance.Simulation/PipeLeakEffect.cs

@@ -0,0 +1,26 @@
+namespace ReactorMaintenance.Simulation;
+
+public sealed class PipeLeakEffect : ISimulationEffect
+{
+    public CellState Apply(CellState cell)
+    {
+        if (!cell.HasPipe || cell.LeakRate <= 0)
+            return cell;
+
+        var hazards = cell.Pipe switch {
+            EPipeMedium.Fuel => cell.Hazards with {
+                LiquidFuel = cell.Hazards.LiquidFuel + cell.LeakRate,
+                FuelVapor = cell.Hazards.FuelVapor + (cell.Pressure >= 7 ? cell.LeakRate : Math.Max(0, cell.Hazards.Heat - 3) / 3)
+            },
+            EPipeMedium.Coolant => cell.Hazards with {
+                CoolantPooling = cell.Hazards.CoolantPooling + cell.LeakRate,
+                Heat = cell.Hazards.Heat - Math.Max(1, cell.LeakRate / 2),
+                Smoke = cell.Hazards.Smoke + (cell.Hazards.Heat >= 7 ? 2 : 0)
+            },
+            EPipeMedium.Pressure => cell.Hazards with { Smoke = cell.Hazards.Smoke + (cell.Pressure >= 8 ? 1 : 0) },
+            _ => cell.Hazards
+        };
+
+        return cell with { Hazards = hazards.Clamp() };
+    }
+}