Uranium is now edible! (#15952)

Content.Server/Chemistry/EntitySystems/ChemistrySystem.Injector.cs

@@ -13,6 +13,7 @@ using Robust.Shared.GameStates;
 using Content.Shared.DoAfter;
 using Content.Shared.Mobs.Components;
 using Content.Shared.Verbs;
+using Content.Shared.Stacks;
 using Robust.Server.GameObjects;
 using Content.Shared.Popups;
 
@@ -297,9 +298,7 @@ public sealed partial class ChemistrySystem
     {
         if (!_solutions.TryGetSolution(injector, InjectorComponent.SolutionName, out var solution)
             || solution.Volume == 0)
-        {
             return;
-        }
 
         // Get transfer amount. May be smaller than _transferAmount if not enough room
         var realTransferAmount = FixedPoint2.Min(component.TransferAmount, targetSolution.AvailableVolume);
@@ -312,18 +311,18 @@ public sealed partial class ChemistrySystem
         }
 
         // Move units from attackSolution to targetSolution
-        var removedSolution = _solutions.SplitSolution(injector, solution, realTransferAmount);
+        Solution removedSolution;
+        if (TryComp<StackComponent>(targetEntity, out var stack)) 
+            removedSolution = _solutions.SplitStackSolution(injector, solution, realTransferAmount, stack.Count);
+        else
+          removedSolution = _solutions.SplitSolution(injector, solution, realTransferAmount);
 
         _reactiveSystem.DoEntityReaction(targetEntity, removedSolution, ReactionMethod.Injection);
 
         if (!asRefill)
-        {
             _solutions.Inject(targetEntity, targetSolution, removedSolution);
-        }
         else
-        {
             _solutions.Refill(targetEntity, targetSolution, removedSolution);
-        }
 
         _popup.PopupEntity(Loc.GetString("injector-component-transfer-success-message",
                 ("amount", removedSolution.Volume),

Content.Server/Chemistry/EntitySystems/SolutionContainerSystem.cs

@@ -128,6 +128,14 @@ public sealed partial class SolutionContainerSystem : EntitySystem
         return splitSol;
     }
 
+    public Solution SplitStackSolution(EntityUid targetUid, Solution solutionHolder, FixedPoint2 quantity, int stackCount) 
+    {
+        var splitSol = solutionHolder.SplitSolution(quantity / stackCount);
+        Solution attackSolutionHolder = solutionHolder.SplitSolution(quantity - splitSol.Volume);
+        UpdateChemicals(targetUid, solutionHolder);
+        return splitSol;
+    }
+
     /// <summary>
     /// Splits a solution without the specified reagent(s).
     /// </summary>

Content.Server/Chemistry/EntitySystems/SolutionInjectOnCollideSystem.cs

@@ -53,7 +53,7 @@ namespace Content.Server.Chemistry.EntitySystems
 
             var solRemoved = solution.SplitSolution(component.TransferAmount);
             var solRemovedVol = solRemoved.Volume;
-
+            
             var solToInject = solRemoved.SplitSolution(solRemovedVol * component.TransferEfficiency);
 
             _bloodstreamSystem.TryAddToChemicals(target, solToInject, bloodstream);