Adds temperature to solutions (#5834)

Content.Server/Chemistry/ReactionEffects/SolutionTemperatureEffects.cs

@@ -0,0 +1,98 @@
+using System;
+using Content.Shared.Chemistry.Components;
+using Content.Shared.Chemistry.Reagent;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Server.Chemistry.ReactionEffects
+{
+    /// <summary>
+    ///     Sets the temperature of the solution involved with the reaction to a new value.
+    /// </summary>
+    [DataDefinition]
+    public class SetSolutionTemperatureEffect : ReagentEffect
+    {
+        /// <summary>
+        ///     The temperature to set the solution to.
+        /// </summary>
+        [DataField("temperature", required: true)] private float _temperature;
+
+        public override void Effect(ReagentEffectArgs args)
+        {
+            var solution = args.Source;
+            if (solution == null)
+                return;
+
+            solution.Temperature = _temperature;
+        }
+    }
+
+    /// <summary>
+    ///     Adjusts the temperature of the solution involved in the reaction.
+    /// </summary>
+    [DataDefinition]
+    public class AdjustSolutionTemperatureEffect : ReagentEffect
+    {
+        /// <summary>
+        ///     The total change in the thermal energy of the solution.
+        /// </summary>
+        [DataField("delta", required: true)] protected float Delta;
+
+        /// <summary>
+        ///     The minimum temperature this effect can reach.
+        /// </summary>
+        [DataField("minTemp")] private float _minTemp = 0.0f;
+
+        /// <summary>
+        ///     The maximum temperature this effect can reach.
+        /// </summary>
+        [DataField("maxTemp")] private float _maxTemp = float.PositiveInfinity;
+
+        /// <summary>
+        ///     If true, then scale ranges by intensity. If not, the ranges are the same regardless of reactant amount.
+        /// </summary>
+        [DataField("scaled")] private bool _scaled;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="solution"></param>
+        /// <returns></returns>
+        protected virtual float GetDeltaT(Solution solution) => Delta;
+
+        public override void Effect(ReagentEffectArgs args)
+        {
+            var solution = args.Source;
+            if (solution == null)
+                return;
+
+            var deltaT = GetDeltaT(solution);
+            if (_scaled)
+                deltaT = deltaT * (float) args.Quantity;
+
+            if (deltaT == 0.0d)
+                return;
+            if (deltaT > 0.0d && solution.Temperature >= _maxTemp)
+                return;
+            if (deltaT < 0.0d && solution.Temperature <= _minTemp)
+                return;
+
+            solution.Temperature = MathF.Max(MathF.Min(solution.Temperature + deltaT, _minTemp), _maxTemp);
+        }
+    }
+
+    /// <summary>
+    ///     Adjusts the thermal energy of the solution involved in the reaction.
+    /// </summary>
+    public class AdjustSolutionThermalEnergyEffect : AdjustSolutionTemperatureEffect
+    {
+        protected override float GetDeltaT(Solution solution)
+        {
+            var heatCapacity = solution.HeatCapacity;
+            if (heatCapacity == 0.0f)
+                return 0.0f;
+            return Delta / heatCapacity;
+        }
+    }
+}
+
+