Puddles & spreader refactor (#15191)

Content.Shared/Chemistry/Reagent/ReagentPrototype.cs

@@ -5,6 +5,7 @@ using Content.Shared.Chemistry.Components;
 using Content.Shared.Chemistry.Reaction;
 using Content.Shared.Database;
 using Content.Shared.FixedPoint;
+using Robust.Shared.Audio;
 using Robust.Shared.Map;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Random;
@@ -73,6 +74,12 @@ namespace Content.Shared.Chemistry.Reagent
         [DataField("metamorphicSprite")]
         public SpriteSpecifier? MetamorphicSprite { get; } = null;
 
+        /// <summary>
+        /// If this reagent is part of a puddle is it slippery.
+        /// </summary>
+        [DataField("slippery")]
+        public bool Slippery = false;
+
         [DataField("metabolisms", serverOnly: true, customTypeSerializer: typeof(PrototypeIdDictionarySerializer<ReagentEffectsEntry, MetabolismGroupPrototype>))]
         public Dictionary<string, ReagentEffectsEntry>? Metabolisms = null;
 
@@ -85,26 +92,11 @@ namespace Content.Shared.Chemistry.Reagent
         [DataField("plantMetabolism", serverOnly: true)]
         public readonly List<ReagentEffect> PlantMetabolisms = new(0);
 
-        [DataField("pricePerUnit")]
-        public float PricePerUnit { get; }
+        [DataField("pricePerUnit")] public float PricePerUnit;
 
-        /// <summary>
-        /// If the substance color is too dark we user a lighter version to make the text color readable when the user examines a solution.
-        /// </summary>
-        public Color GetSubstanceTextColor()
-        {
-            var highestValue = MathF.Max(SubstanceColor.R, MathF.Max(SubstanceColor.G, SubstanceColor.B));
-            var difference = 0.5f - highestValue;
-
-            if (difference > 0f)
-            {
-                return new Color(SubstanceColor.R + difference,
-                                SubstanceColor.G + difference,
-                                SubstanceColor.B + difference);
-            }
-
-            return SubstanceColor;
-        }
+        // TODO: Pick the highest reagent for sounds and add sticky to cola, juice, etc.
+        [DataField("footstepSound")]
+        public SoundSpecifier FootstepSound = new SoundCollectionSpecifier("FootstepWater");
 
         public FixedPoint2 ReactionTile(TileRef tile, FixedPoint2 reactVolume)
         {