Refactor chemical injection to be ECS (#4296)

Content.Server/Chemistry/Components/SolutionInjectOnCollideComponent.cs

@@ -0,0 +1,27 @@
+using System;
+using Content.Shared.Chemistry.Reagent;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.Chemistry.Components
+{
+    /// <summary>
+    /// On colliding with an entity that has a bloodstream will dump its solution onto them.
+    /// </summary>
+    [RegisterComponent]
+    internal sealed class SolutionInjectOnCollideComponent : Component
+    {
+        public override string Name => "SolutionInjectOnCollide";
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("transferAmount")]
+        public ReagentUnit TransferAmount { get; set; } = ReagentUnit.New(1);
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        public float TransferEfficiency { get => _transferEfficiency; set => _transferEfficiency = Math.Clamp(value, 0, 1); }
+
+        [DataField("transferEfficiency")]
+        private float _transferEfficiency = 1f;
+    }
+}