Metamorphosis - FoodSequence 3 (#31012)

* setup some data

* cheeseburger recipe

* Update FoodSequenceSystem.cs

* finalize cheseburger recipe

* remove fun

* return old taco sprites

* full foodsequence data refactor

* return tacos

* well done

* add cutlets to burger

* chickenburger recipe

* +2 burger recipes

* more fun

* Update brain.png

* some slice produce added

* documentation

* watermelon

* skewer work

* flipping

* tomato

* skewer watermelon

* Update skewer.yml

* oopsie, ok, im go to sleep

* fix checks

* Update produce.yml

* screwed

* cheeeeeeeese

* all cooked meat added

* produce added

* aaaaand suppermatter

* key to Tag

* More

* proto string remove

* raw snail

* fix

* Update FoodMetamorphableByAddingComponent.cs

* fixes

* fix3

* fififififx

Content.Client/Nutrition/EntitySystems/ClientFoodSequenceSystem.cs

@@ -1,7 +1,6 @@
 using Content.Shared.Nutrition.Components;
 using Content.Shared.Nutrition.EntitySystems;
 using Robust.Client.GameObjects;
-using Robust.Shared.Utility;
 
 namespace Content.Client.Nutrition.EntitySystems;
 
@@ -50,6 +49,7 @@ public sealed class ClientFoodSequenceSystem : SharedFoodSequenceSystem
             sprite.AddBlankLayer(index);
             sprite.LayerMapSet(keyCode, index);
             sprite.LayerSetSprite(index, state.Sprite);
+            sprite.LayerSetScale(index, state.Scale);
 
             //Offset the layer
             var layerPos = start.Comp.StartPosition;

Content.Server/Nutrition/EntitySystems/FoodSequenceSystem.cs

@@ -4,10 +4,14 @@ using Content.Server.Nutrition.Components;
 using Content.Shared.Chemistry.EntitySystems;
 using Content.Shared.Interaction;
 using Content.Shared.Mobs.Systems;
+using Content.Shared.Nutrition;
 using Content.Shared.Nutrition.Components;
 using Content.Shared.Nutrition.EntitySystems;
+using Content.Shared.Nutrition.Prototypes;
 using Content.Shared.Popups;
 using Content.Shared.Tag;
+using Robust.Server.GameObjects;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Random;
 
 namespace Content.Server.Nutrition.EntitySystems;
@@ -20,12 +24,16 @@ public sealed class FoodSequenceSystem : SharedFoodSequenceSystem
     [Dependency] private readonly MobStateSystem _mobState = default!;
     [Dependency] private readonly TagSystem _tag = default!;
     [Dependency] private readonly IRobustRandom _random = default!;
+    [Dependency] private readonly IPrototypeManager _proto = default!;
+    [Dependency] private readonly TransformSystem _transform = default!;
 
     public override void Initialize()
     {
         base.Initialize();
 
         SubscribeLocalEvent<FoodSequenceStartPointComponent, InteractUsingEvent>(OnInteractUsing);
+
+        SubscribeLocalEvent<FoodMetamorphableByAddingComponent, FoodSequenceIngredientAddedEvent>(OnIngredientAdded);
     }
 
     private void OnInteractUsing(Entity<FoodSequenceStartPointComponent> ent, ref InteractUsingEvent args)
@@ -34,47 +42,113 @@ public sealed class FoodSequenceSystem : SharedFoodSequenceSystem
             TryAddFoodElement(ent, (args.Used, sequenceElement), args.User);
     }
 
+    private void OnIngredientAdded(Entity<FoodMetamorphableByAddingComponent> ent, ref FoodSequenceIngredientAddedEvent args)
+    {
+        if (!TryComp<FoodSequenceStartPointComponent>(args.Start, out var start))
+            return;
+
+        if (!_proto.TryIndex(args.Proto, out var elementProto))
+            return;
+
+        if (!ent.Comp.OnlyFinal || elementProto.Final || start.FoodLayers.Count == start.MaxLayers)
+        {
+            TryMetamorph((ent, start));
+        }
+    }
+
+    private bool TryMetamorph(Entity<FoodSequenceStartPointComponent> start)
+    {
+        List<MetamorphRecipePrototype> availableRecipes = new();
+        foreach (var recipe in _proto.EnumeratePrototypes<MetamorphRecipePrototype>())
+        {
+            if (recipe.Key != start.Comp.Key)
+                continue;
+
+            bool allowed = true;
+            foreach (var rule in recipe.Rules)
+            {
+                if (!rule.Check(_proto, EntityManager, start, start.Comp.FoodLayers))
+                {
+                    allowed = false;
+                    break;
+                }
+            }
+            if (allowed)
+                availableRecipes.Add(recipe);
+        }
+
+        if (availableRecipes.Count <= 0)
+            return true;
+
+        Metamorf(start, _random.Pick(availableRecipes)); //In general, if there's more than one recipe, the yml-guys screwed up. Maybe some kind of unit test is needed.
+        QueueDel(start);
+        return true;
+    }
+
+    private void Metamorf(Entity<FoodSequenceStartPointComponent> start, MetamorphRecipePrototype recipe)
+    {
+        var result = SpawnAtPosition(recipe.Result, Transform(start).Coordinates);
+
+        //Try putting in container
+        _transform.DropNextTo(result, (start, Transform(start)));
+
+        if (!_solutionContainer.TryGetSolution(result, start.Comp.Solution, out var resultSoln, out var resultSolution))
+            return;
+
+        if (!_solutionContainer.TryGetSolution(start.Owner, start.Comp.Solution, out var startSoln, out var startSolution))
+            return;
+
+        _solutionContainer.RemoveAllSolution(resultSoln.Value); //Remove all YML reagents
+        resultSoln.Value.Comp.Solution.MaxVolume = startSoln.Value.Comp.Solution.MaxVolume;
+        _solutionContainer.TryAddSolution(resultSoln.Value, startSolution);
+
+        MergeFlavorProfiles(start, result);
+        MergeTrash(start, result);
+        MergeTags(start, result);
+    }
+
     private bool TryAddFoodElement(Entity<FoodSequenceStartPointComponent> start, Entity<FoodSequenceElementComponent> element, EntityUid? user = null)
     {
-        FoodSequenceElementEntry? elementData = null;
-        foreach (var entry in element.Comp.Entries)
-        {
-            if (entry.Key == start.Comp.Key)
-            {
-                elementData = entry.Value;
-                break;
-            }
-        }
-
-        if (elementData is null)
+        // we can't add a live mouse to a burger.
+        if (!TryComp<FoodComponent>(element, out var elementFood))
+            return false;
+        if (elementFood.RequireDead && _mobState.IsAlive(element))
             return false;
 
-        if (TryComp<FoodComponent>(element, out var elementFood) && elementFood.RequireDead)
+        //looking for a suitable FoodSequence prototype
+        ProtoId<FoodSequenceElementPrototype> elementProto = string.Empty;
+        foreach (var pair in element.Comp.Entries)
         {
-            if (_mobState.IsAlive(element))
-                return false;
+            if (pair.Key == start.Comp.Key)
+            {
+                elementProto = pair.Value;
+            }
         }
+        if (!_proto.TryIndex(elementProto, out var elementIndexed))
+            return false;
 
         //if we run out of space, we can still put in one last, final finishing element.
-        if (start.Comp.FoodLayers.Count >= start.Comp.MaxLayers && !elementData.Final || start.Comp.Finished)
+        if (start.Comp.FoodLayers.Count >= start.Comp.MaxLayers && !elementIndexed.Final || start.Comp.Finished)
         {
             if (user is not null)
                 _popup.PopupEntity(Loc.GetString("food-sequence-no-space"), start, user.Value);
             return false;
         }
 
-        //If no specific sprites are specified, standard sprites will be used.
-        if (elementData.Sprite is null && element.Comp.Sprite is not null)
-            elementData.Sprite = element.Comp.Sprite;
+        //Generate new visual layer
+        var flip = start.Comp.AllowHorizontalFlip && _random.Prob(0.5f);
+        var layer = new FoodSequenceVisualLayer(elementIndexed,
+            _random.Pick(elementIndexed.Sprites),
+            new Vector2(flip ? -1 : 1, 1),
+            new Vector2(
+                _random.NextFloat(start.Comp.MinLayerOffset.X, start.Comp.MaxLayerOffset.X),
+                _random.NextFloat(start.Comp.MinLayerOffset.Y, start.Comp.MaxLayerOffset.Y))
+        );
 
-        elementData.LocalOffset = new Vector2(
-            _random.NextFloat(start.Comp.MinLayerOffset.X,start.Comp.MaxLayerOffset.X),
-            _random.NextFloat(start.Comp.MinLayerOffset.Y,start.Comp.MaxLayerOffset.Y));
-
-        start.Comp.FoodLayers.Add(elementData);
+        start.Comp.FoodLayers.Add(layer);
         Dirty(start);
 
-        if (elementData.Final)
+        if (elementIndexed.Final)
             start.Comp.Finished = true;
 
         UpdateFoodName(start);
@@ -82,6 +156,10 @@ public sealed class FoodSequenceSystem : SharedFoodSequenceSystem
         MergeFlavorProfiles(start, element);
         MergeTrash(start, element);
         MergeTags(start, element);
+
+        var ev = new FoodSequenceIngredientAddedEvent(start, element, elementProto, user);
+        RaiseLocalEvent(start, ev);
+
         QueueDel(element);
         return true;
     }
@@ -96,17 +174,23 @@ public sealed class FoodSequenceSystem : SharedFoodSequenceSystem
         if (start.Comp.ContentSeparator is not null)
             separator = Loc.GetString(start.Comp.ContentSeparator);
 
-        HashSet<LocId> existedContentNames = new();
+        HashSet<ProtoId<FoodSequenceElementPrototype>> existedContentNames = new();
         foreach (var layer in start.Comp.FoodLayers)
         {
-            if (layer.Name is not null && !existedContentNames.Contains(layer.Name.Value))
-                existedContentNames.Add(layer.Name.Value);
+            if (!existedContentNames.Contains(layer.Proto))
+                existedContentNames.Add(layer.Proto);
         }
 
         var nameCounter = 1;
-        foreach (var name in existedContentNames)
+        foreach (var proto in existedContentNames)
         {
-            content.Append(Loc.GetString(name));
+            if (!_proto.TryIndex(proto, out var protoIndexed))
+                continue;
+
+            if (protoIndexed.Name is null)
+                continue;
+
+            content.Append(Loc.GetString(protoIndexed.Name.Value));
 
             if (nameCounter < existedContentNames.Count)
                 content.Append(separator);
@@ -121,19 +205,25 @@ public sealed class FoodSequenceSystem : SharedFoodSequenceSystem
         _metaData.SetEntityName(start, newName);
     }
 
-    private void MergeFoodSolutions(Entity<FoodSequenceStartPointComponent> start, Entity<FoodSequenceElementComponent> element)
+    private void MergeFoodSolutions(EntityUid start, EntityUid element)
     {
-        if (!_solutionContainer.TryGetSolution(start.Owner, start.Comp.Solution, out var startSolutionEntity, out var startSolution))
+        if (!TryComp<FoodComponent>(start, out var startFood))
             return;
 
-        if (!_solutionContainer.TryGetSolution(element.Owner, element.Comp.Solution, out _, out var elementSolution))
+        if (!TryComp<FoodComponent>(element, out var elementFood))
+            return;
+
+        if (!_solutionContainer.TryGetSolution(start, startFood.Solution, out var startSolutionEntity, out var startSolution))
+            return;
+
+        if (!_solutionContainer.TryGetSolution(element, elementFood.Solution, out _, out var elementSolution))
             return;
 
         startSolution.MaxVolume += elementSolution.MaxVolume;
         _solutionContainer.TryAddSolution(startSolutionEntity.Value, elementSolution);
     }
 
-    private void MergeFlavorProfiles(Entity<FoodSequenceStartPointComponent> start, Entity<FoodSequenceElementComponent> element)
+    private void MergeFlavorProfiles(EntityUid start, EntityUid element)
     {
         if (!TryComp<FlavorProfileComponent>(start, out var startProfile))
             return;
@@ -148,7 +238,7 @@ public sealed class FoodSequenceSystem : SharedFoodSequenceSystem
         }
     }
 
-    private void MergeTrash(Entity<FoodSequenceStartPointComponent> start, Entity<FoodSequenceElementComponent> element)
+    private void MergeTrash(EntityUid start, EntityUid element)
     {
         if (!TryComp<FoodComponent>(start, out var startFood))
             return;
@@ -162,13 +252,13 @@ public sealed class FoodSequenceSystem : SharedFoodSequenceSystem
         }
     }
 
-    private void MergeTags(Entity<FoodSequenceStartPointComponent> start, Entity<FoodSequenceElementComponent> element)
+    private void MergeTags(EntityUid start, EntityUid element)
     {
         if (!TryComp<TagComponent>(element, out var elementTags))
             return;
 
-        EnsureComp<TagComponent>(start.Owner);
+        EnsureComp<TagComponent>(start);
 
-        _tag.TryAddTags(start.Owner, elementTags.Tags);
+        _tag.TryAddTags(start, elementTags.Tags);
     }
 }

Content.Shared/Nutrition/Components/FoodMetamorphableByAddingComponent.cs

@@ -0,0 +1,17 @@
+using Content.Shared.Nutrition.EntitySystems;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Nutrition.Components;
+
+/// <summary>
+/// Attempts to metamorphose a modular food when a new ingredient is added.
+/// </summary>
+[RegisterComponent, NetworkedComponent, Access(typeof(SharedFoodSequenceSystem))]
+public sealed partial class FoodMetamorphableByAddingComponent : Component
+{
+    /// <summary>
+    /// if true, the metamorphosis will only be attempted when the sequence ends, not when each element is added.
+    /// </summary>
+    [DataField]
+    public bool OnlyFinal = true;
+}

Content.Shared/Nutrition/Components/FoodSequenceElementComponent.cs

@@ -1,55 +1,25 @@
-using System.Numerics;
 using Content.Shared.Nutrition.EntitySystems;
-using Robust.Shared.Serialization;
-using Robust.Shared.Utility;
+using Content.Shared.Nutrition.Prototypes;
+using Content.Shared.Tag;
+using Robust.Shared.Prototypes;
 
 namespace Content.Shared.Nutrition.Components;
 
 /// <summary>
-/// Tndicates that this entity can be inserted into FoodSequence, which will transfer all reagents to the target.
+/// Indicates that this entity can be inserted into FoodSequence, which will transfer all reagents to the target.
 /// </summary>
 [RegisterComponent, Access(typeof(SharedFoodSequenceSystem))]
 public sealed partial class FoodSequenceElementComponent : Component
 {
     /// <summary>
-    /// the same object can be used in different sequences, and it will have a different sprite in different sequences.
+    /// The same object can be used in different sequences, and it will have a different data in then.
     /// </summary>
     [DataField(required: true)]
-    public Dictionary<string, FoodSequenceElementEntry> Entries = new();
+    public Dictionary<ProtoId<TagPrototype>, ProtoId<FoodSequenceElementPrototype>> Entries = new();
 
     /// <summary>
-    /// which solution we will add to the main dish
+    /// Which solution we will add to the main dish
     /// </summary>
     [DataField]
     public string Solution = "food";
-
-    /// <summary>
-    /// state used to generate the appearance of the added layer
-    /// </summary>
-    [DataField]
-    public SpriteSpecifier? Sprite;
-}
-
-[DataRecord, Serializable, NetSerializable]
-public sealed class FoodSequenceElementEntry
-{
-    /// <summary>
-    /// A localized name piece to build into the item name generator.
-    /// </summary>
-    public LocId? Name { get; set; } = null;
-
-    /// <summary>
-    /// overriding default sprite
-    /// </summary>
-    public SpriteSpecifier? Sprite { get; set; } = null;
-
-    /// <summary>
-    /// If the layer is the final one, it can be added over the limit, but no other layers can be added after it.
-    /// </summary>
-    public bool Final { get; set; } = false;
-
-    /// <summary>
-    /// the shear of a particular layer. Allows a little "randomization" of each layer.
-    /// </summary>
-    public Vector2 LocalOffset { get; set; } = Vector2.Zero;
 }

Content.Shared/Nutrition/Components/FoodSequenceStartPointComponent.cs

@@ -1,6 +1,11 @@
 using System.Numerics;
 using Content.Shared.Nutrition.EntitySystems;
+using Content.Shared.Nutrition.Prototypes;
+using Content.Shared.Tag;
 using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization;
+using Robust.Shared.Utility;
 
 namespace Content.Shared.Nutrition.Components;
 
@@ -14,7 +19,7 @@ public sealed partial class FoodSequenceStartPointComponent : Component
     /// A key that determines which types of food elements can be attached to a food.
     /// </summary>
     [DataField(required: true)]
-    public string Key = string.Empty;
+    public ProtoId<TagPrototype> Key = string.Empty;
 
     /// <summary>
     /// The maximum number of layers of food that can be placed on this item.
@@ -22,62 +27,20 @@ public sealed partial class FoodSequenceStartPointComponent : Component
     [DataField]
     public int MaxLayers = 10;
 
-    /// <summary>
-    /// Start shift from the center of the sprite where the first layer of food will be placed.
-    /// </summary>
-    [DataField]
-    public Vector2 StartPosition = Vector2.Zero;
-
-    /// <summary>
-    /// Shift from the start position applied to each subsequent layer.
-    /// </summary>
-    [DataField]
-    public Vector2 Offset = Vector2.Zero;
-
     /// <summary>
     /// Can we put more layers?
     /// </summary>
     [DataField]
     public bool Finished;
 
-    /// <summary>
-    /// list of sprite states to be displayed on this object.
-    /// </summary>
-    [DataField, AutoNetworkedField]
-    public List<FoodSequenceElementEntry> FoodLayers = new();
-
-    public HashSet<string> RevealedLayers = new();
-
-    /// <summary>
-    /// target layer, where new layers will be added. This allows you to control the order of generative layers and static layers.
-    /// </summary>
-    [DataField]
-    public string TargetLayerMap = "foodSequenceLayers";
-
-    /// <summary>
-    /// If true, the generative layers will be placed in reverse order.
-    /// </summary>
-    [DataField]
-    public bool InverseLayers;
-
-    /// <summary>
-    /// each layer will get a random offset in the specified range
-    /// </summary>
-    [DataField]
-    public Vector2 MaxLayerOffset = Vector2.Zero;
-
-    /// <summary>
-    /// each layer will get a random offset in the specified range
-    /// </summary>
-    [DataField]
-    public Vector2 MinLayerOffset = Vector2.Zero;
-
     /// <summary>
     /// solution where reagents will be added from newly added ingredients
     /// </summary>
     [DataField]
     public string Solution = "food";
 
+    #region name generation
+
     /// <summary>
     /// LocId with a name generation pattern.
     /// </summary>
@@ -101,4 +64,96 @@ public sealed partial class FoodSequenceStartPointComponent : Component
     /// </summary>
     [DataField]
     public LocId? NameSuffix;
+
+    #endregion
+
+    #region visual
+
+    /// <summary>
+    /// list of sprite states to be displayed on this object.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public List<FoodSequenceVisualLayer> FoodLayers = new();
+
+    /// <summary>
+    /// If true, the generative layers will be placed in reverse order.
+    /// </summary>
+    [DataField]
+    public bool InverseLayers;
+
+    /// <summary>
+    /// target layer, where new layers will be added. This allows you to control the order of generative layers and static layers.
+    /// </summary>
+    [DataField]
+    public string TargetLayerMap = "foodSequenceLayers";
+
+    /// <summary>
+    /// Start shift from the center of the sprite where the first layer of food will be placed.
+    /// </summary>
+    [DataField]
+    public Vector2 StartPosition = Vector2.Zero;
+
+    /// <summary>
+    /// Shift from the start position applied to each subsequent layer.
+    /// </summary>
+    [DataField]
+    public Vector2 Offset = Vector2.Zero;
+
+    /// <summary>
+    /// each layer will get a random offset in the specified range
+    /// </summary>
+    [DataField]
+    public Vector2 MaxLayerOffset = Vector2.Zero;
+
+    /// <summary>
+    /// each layer will get a random offset in the specified range
+    /// </summary>
+    [DataField]
+    public Vector2 MinLayerOffset = Vector2.Zero;
+
+    [DataField]
+    public bool AllowHorizontalFlip = true;
+
+    public HashSet<string> RevealedLayers = new();
+
+    #endregion
+}
+
+/// <summary>
+/// class that synchronizes with the client
+/// Stores all the necessary information for rendering the FoodSequence element
+/// </summary>
+[DataRecord, Serializable, NetSerializable]
+public record struct FoodSequenceVisualLayer
+{
+    /// <summary>
+    /// reference to the original prototype of the layer. Used to edit visual layers.
+    /// </summary>
+    public ProtoId<FoodSequenceElementPrototype> Proto;
+
+    /// <summary>
+    /// Sprite rendered in sequence
+    /// </summary>
+    public SpriteSpecifier? Sprite { get; set; } = SpriteSpecifier.Invalid;
+
+    /// <summary>
+    /// Relative size of the sprite displayed in FoodSequence
+    /// </summary>
+    public Vector2 Scale { get; set; } = Vector2.One;
+
+    /// <summary>
+    /// The offset of a particular layer. Allows a little position randomization of each layer.
+    /// </summary>
+    public Vector2 LocalOffset { get; set; } = Vector2.Zero;
+
+    public FoodSequenceVisualLayer(ProtoId<FoodSequenceElementPrototype> proto,
+        SpriteSpecifier? sprite,
+        Vector2 scale,
+        Vector2 offset)
+    {
+        Proto = proto;
+        Sprite = sprite;
+        Scale = scale;
+        LocalOffset = offset;
+    }
 }

Content.Shared/Nutrition/Events.cs

@@ -1,5 +1,8 @@
 using Content.Shared.Chemistry.Components;
 using Content.Shared.DoAfter;
+using Content.Shared.Nutrition.Components;
+using Content.Shared.Nutrition.Prototypes;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization;
 
 namespace Content.Shared.Nutrition;
@@ -67,3 +70,8 @@ public record struct SliceFoodEvent();
 public sealed partial class SliceFoodDoAfterEvent : SimpleDoAfterEvent
 {
 }
+
+/// <summary>
+///    Raised on FoodSequence start element entity when new ingredient is added to FoodSequence
+/// </summary>
+public record struct FoodSequenceIngredientAddedEvent(EntityUid Start, EntityUid Element, ProtoId<FoodSequenceElementPrototype> Proto, EntityUid? User = null);

Content.Shared/Nutrition/FoodMetamorphRules/FoodMetamorphRule.cs

@@ -0,0 +1,218 @@
+using Content.Shared.Chemistry.Components.SolutionManager;
+using Content.Shared.Chemistry.EntitySystems;
+using Content.Shared.Chemistry.Reagent;
+using Content.Shared.Destructible.Thresholds;
+using Content.Shared.Nutrition.Components;
+using Content.Shared.Tag;
+using JetBrains.Annotations;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Nutrition.FoodMetamorphRules;
+
+/// <summary>
+/// abstract rules that are used to verify the correct foodSequence for recipe
+/// </summary>
+[ImplicitDataDefinitionForInheritors]
+[Serializable, NetSerializable]
+public abstract partial class FoodMetamorphRule
+{
+    public abstract bool Check(IPrototypeManager protoMan, EntityManager entMan, EntityUid food, List<FoodSequenceVisualLayer> ingredients);
+}
+
+/// <summary>
+/// The requirement that the sequence be within the specified size limit
+/// </summary>
+[UsedImplicitly]
+[Serializable, NetSerializable]
+public sealed partial class SequenceLength : FoodMetamorphRule
+{
+    [DataField(required: true)]
+    public MinMax Range;
+
+    public override bool Check(IPrototypeManager protoMan, EntityManager entMan, EntityUid food, List<FoodSequenceVisualLayer> ingredients)
+    {
+        return ingredients.Count <= Range.Max && ingredients.Count >= Range.Min;
+    }
+}
+
+/// <summary>
+/// A requirement that the last element of the sequence have one or all of the required tags
+/// </summary>
+[UsedImplicitly]
+[Serializable, NetSerializable]
+public sealed partial class LastElementHasTags : FoodMetamorphRule
+{
+    [DataField(required: true)]
+    public List<ProtoId<TagPrototype>> Tags = new ();
+
+    [DataField]
+    public bool NeedAll = true;
+
+    public override bool Check(IPrototypeManager protoMan, EntityManager entMan, EntityUid food, List<FoodSequenceVisualLayer> ingredients)
+    {
+        var lastIngredient = ingredients[ingredients.Count - 1];
+
+        if (!protoMan.TryIndex(lastIngredient.Proto, out var protoIndexed))
+            return false;
+
+        foreach (var tag in Tags)
+        {
+            var containsTag = protoIndexed.Tags.Contains(tag);
+
+            if (NeedAll && !containsTag)
+            {
+                return false;
+            }
+
+            if (!NeedAll && containsTag)
+            {
+                return true;
+            }
+        }
+
+        return NeedAll;
+    }
+}
+
+/// <summary>
+/// A requirement that the specified sequence element have one or all of the required tags
+/// </summary>
+[UsedImplicitly]
+[Serializable, NetSerializable]
+public sealed partial class ElementHasTags : FoodMetamorphRule
+{
+    [DataField(required: true)]
+    public int ElementNumber = 0;
+
+    [DataField(required: true)]
+    public List<ProtoId<TagPrototype>> Tags = new ();
+
+    [DataField]
+    public bool NeedAll = true;
+
+    public override bool Check(IPrototypeManager protoMan, EntityManager entMan, EntityUid food, List<FoodSequenceVisualLayer> ingredients)
+    {
+        if (ingredients.Count < ElementNumber + 1)
+            return false;
+
+        if (!protoMan.TryIndex(ingredients[ElementNumber].Proto, out var protoIndexed))
+            return false;
+
+        foreach (var tag in Tags)
+        {
+            var containsTag = protoIndexed.Tags.Contains(tag);
+
+            if (NeedAll && !containsTag)
+            {
+                return false;
+            }
+
+            if (!NeedAll && containsTag)
+            {
+                return true;
+            }
+        }
+
+        return NeedAll;
+    }
+}
+
+/// <summary>
+/// requirement that the food contains certain reagents (e.g. sauces)
+/// </summary>
+[UsedImplicitly]
+[Serializable, NetSerializable]
+public sealed partial class FoodHasReagent : FoodMetamorphRule
+{
+    [DataField(required: true)]
+    public ProtoId<ReagentPrototype> Reagent = new();
+
+    [DataField(required: true)]
+    public MinMax Count;
+
+    [DataField]
+    public string Solution = "food";
+
+    public override bool Check(IPrototypeManager protoMan, EntityManager entMan, EntityUid food, List<FoodSequenceVisualLayer> ingredients)
+    {
+        if (!entMan.TryGetComponent<SolutionContainerManagerComponent>(food, out var solMan))
+            return false;
+
+        var solutionMan = entMan.System<SharedSolutionContainerSystem>();
+
+        if (!solutionMan.TryGetSolution(food, Solution, out var foodSoln, out var foodSolution))
+            return false;
+
+        foreach (var (id, quantity) in foodSoln.Value.Comp.Solution.Contents)
+        {
+            if (id.Prototype != Reagent.Id)
+                continue;
+
+            if (quantity < Count.Min || quantity > Count.Max)
+                break;
+
+            return true;
+        }
+
+        return false;
+    }
+}
+
+/// <summary>
+/// A requirement that there be X ingredients in the sequence that have one or all of the specified tags.
+/// </summary>
+[UsedImplicitly]
+[Serializable, NetSerializable]
+public sealed partial class IngredientsWithTags : FoodMetamorphRule
+{
+    [DataField(required: true)]
+    public List<ProtoId<TagPrototype>> Tags = new ();
+
+    [DataField(required: true)]
+    public MinMax Count = new();
+
+    [DataField]
+    public bool NeedAll = true;
+
+    public override bool Check(IPrototypeManager protoMan, EntityManager entMan, EntityUid food, List<FoodSequenceVisualLayer> ingredients)
+    {
+        var count = 0;
+        foreach (var ingredient in ingredients)
+        {
+            if (!protoMan.TryIndex(ingredient.Proto, out var protoIndexed))
+                continue;
+
+            var allowed = false;
+            if (NeedAll)
+            {
+                allowed = true;
+                foreach (var tag in Tags)
+                {
+                    if (!protoIndexed.Tags.Contains(tag))
+                    {
+                        allowed = false;
+                        break;
+                    }
+                }
+            }
+            else
+            {
+                allowed = false;
+                foreach (var tag in Tags)
+                {
+                    if (protoIndexed.Tags.Contains(tag))
+                    {
+                        allowed = true;
+                        break;
+                    }
+                }
+            }
+
+            if (allowed)
+                count++;
+        }
+
+        return count >= Count.Min && count <= Count.Max;
+    }
+}

Content.Shared/Nutrition/Prototypes/FoodSequenceElementPrototype.cs

@@ -0,0 +1,38 @@
+using Content.Shared.Tag;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Utility;
+
+namespace Content.Shared.Nutrition.Prototypes;
+
+/// <summary>
+/// Unique data storage block for different FoodSequence layers
+/// </summary>
+[Prototype("foodSequenceElement")]
+public sealed partial class FoodSequenceElementPrototype : IPrototype
+{
+    [IdDataField] public string ID { get; private set; } = default!;
+
+    /// <summary>
+    /// sprite options. A random one will be selected and used to display the layer.
+    /// </summary>
+    [DataField]
+    public List<SpriteSpecifier> Sprites { get; private set; } = new();
+
+    /// <summary>
+    /// A localized name piece to build into the item name generator.
+    /// </summary>
+    [DataField]
+    public LocId? Name { get; private set; }
+
+    /// <summary>
+    /// If the layer is the final one, it can be added over the limit, but no other layers can be added after it.
+    /// </summary>
+    [DataField]
+    public bool Final { get; private set; }
+
+    /// <summary>
+    /// Tag list of this layer. Used for recipes for food metamorphosis.
+    /// </summary>
+    [DataField]
+    public List<ProtoId<TagPrototype>> Tags { get; set; }  = new();
+}

Content.Shared/Nutrition/Prototypes/MetamorphRecipePrototype.cs

@@ -0,0 +1,32 @@
+using Content.Shared.Nutrition.FoodMetamorphRules;
+using Content.Shared.Tag;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Nutrition.Prototypes;
+
+/// <summary>
+/// Stores a recipe so that FoodSequence assembled in the right sequence can turn into a special meal.
+/// </summary>
+[Prototype]
+public sealed partial class MetamorphRecipePrototype : IPrototype
+{
+    [IdDataField] public string ID { get; private set; } = default!;
+
+    /// <summary>
+    /// The key of the FoodSequence being collected. For example “burger” “taco” etc.
+    /// </summary>
+    [DataField(required: true)]
+    public ProtoId<TagPrototype> Key = string.Empty;
+
+    /// <summary>
+    /// The entity that will be created as a result of this recipe, and into which all the reagents will be transferred.
+    /// </summary>
+    [DataField(required: true)]
+    public EntProtoId Result = default!;
+
+    /// <summary>
+    /// A sequence of rules that must be followed for FoodSequence to metamorphose into a special food.
+    /// </summary>
+    [DataField]
+    public List<FoodMetamorphRule> Rules = new();
+}

Resources/Locale/en-US/nutrition/components/food-sequence.ftl

@@ -4,7 +4,7 @@ food-sequence-no-space = You can't put any more!
 
 food-sequence-content-chicken = chicken
 food-sequence-content-duck = duck
-food-sequence-content-crab = crabs
+food-sequence-content-crab = crab
 food-sequence-content-dragon = dragon
 food-sequence-content-snake = snake
 food-sequence-content-xeno = xeno
@@ -83,6 +83,7 @@ food-sequence-burger-content-raw-meat = raw
 food-sequence-burger-content-meat = meaty
 food-sequence-burger-content-carp = carpo
 food-sequence-burger-content-bear = bear
+food-sequence-burger-content-crab = crabs
 food-sequence-burger-content-penguin = peng
 food-sequence-burger-content-corgi = corgi
 food-sequence-burger-content-goliath = goli

Resources/Prototypes/Body/Organs/human.yml

@@ -68,14 +68,9 @@
     flavors:
       - people
   - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Species/Human/organs.rsi
-      state: brain
     entries:
-      burger:
-        name: food-sequence-content-brain
-      taco:
-        name: food-sequence-content-brain
+      Burger: Brain
+      Taco: Brain
   
 - type: entity
   id: OrganHumanEyes
@@ -96,15 +91,6 @@
   components:
   - type: Sprite
     state: tongue
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Species/Human/organs.rsi
-      state: tongue
-    entries:
-      burger:
-        name: food-sequence-content-tongue
-      taco:
-        name: food-sequence-content-tongue
 
 - type: entity
   id: OrganHumanAppendix
@@ -125,15 +111,6 @@
   components:
   - type: Sprite
     state: ears
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Species/Human/organs.rsi
-      state: ears
-    entries:
-      burger:
-        name: food-sequence-content-ears
-      taco:
-        name: food-sequence-content-ears
 
 - type: entity
   id: OrganHumanLungs
@@ -216,15 +193,6 @@
     groups:
     - id: Food
     - id: Drink
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Species/Human/organs.rsi
-      state: stomach
-    entries:
-      burger:
-        name: food-sequence-content-stomach
-      taco:
-        name: food-sequence-content-stomach
 
 - type: entity
   id: OrganHumanLiver
@@ -240,15 +208,6 @@
     groups:
     - id: Alcohol
       rateModifier: 0.1 # removes alcohol very slowly along with the stomach removing it as a drink
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Species/Human/organs.rsi
-      state: liver
-    entries:
-      burger:
-        name: food-sequence-content-liver
-      taco:
-        name: food-sequence-content-liver
 
 - type: entity
   id: OrganHumanKidneys

Resources/Prototypes/Entities/Mobs/NPCs/animals.yml

@@ -1724,20 +1724,10 @@
     sprite: Mobs/Effects/onfire.rsi
     normalState: Mouse_burning
   - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Animals/mouse.rsi
-      state: dead-0
     entries:
-      burger:
-        name: food-sequence-burger-content-rat
-      taco:
-        name: food-sequence-content-rat
-      skewer:
-        name: food-sequence-content-rat
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-rat
-
+      Taco: RatTaco
+      Burger: RatBurger
+      Skewer: RatSkewer
 
 - type: entity
   parent: MobMouse
@@ -1794,10 +1784,6 @@
   - type: Item
     size: Tiny
     heldPrefix: 1
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Animals/mouse.rsi
-      state: dead-1
 
 - type: entity
   parent: MobMouse
@@ -1827,10 +1813,6 @@
   - type: Item
     size: Tiny
     heldPrefix: 2
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Animals/mouse.rsi
-      state: dead-2
 
 - type: entity
   name: cancer mouse
@@ -3257,15 +3239,6 @@
   - type: FireVisuals
     sprite: Mobs/Effects/onfire.rsi
     normalState: Mouse_burning
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Mobs/Animals/hamster.rsi
-      state: dead-0
-    entries:
-      burger:
-        name: food-sequence-burger-content-hamster
-      taco:
-        name: food-sequence-content-hamster
 
 - type: entity
   name: pig

Resources/Prototypes/Entities/Objects/Consumable/Food/Baked/cake.yml

@@ -785,11 +785,6 @@
     tags:
     - Slice
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Consumable/Food/Baked/cake.rsi
-      state: suppermatter-shard
     entries:
-      burger:
-        name: food-sequence-burger-content-suppermatter
-      taco:
-        name: food-sequence-content-suppermatter
+      Taco: Suppermatter
+      Burger: SuppermatterBurger

Resources/Prototypes/Entities/Objects/Consumable/Food/burger.yml

@@ -39,19 +39,20 @@
   - type: Sprite
     drawdepth: Mobs
     noRot: true
-    sprite: Objects/Consumable/Food/burger.rsi
+    sprite: Objects/Consumable/Food/burger_sequence.rsi
     layers:
     - state: bun_bottom
     - map: ["foodSequenceLayers"]
   - type: FoodSequenceStartPoint
-    key: burger
+    key: Burger
     maxLayers: 10
     startPosition: 0, 0
-    offset: 0, 0.1
+    offset: 0, 0.07
     minLayerOffset: -0.05, 0
     maxLayerOffset: 0.05, 0
     nameGeneration: food-sequence-burger-gen
   - type: Appearance
+  - type: FoodMetamorphableByAdding
   - type: SolutionContainerManager
     solutions:
       food:
@@ -69,7 +70,7 @@
   components:
   - type: Food
   - type: Sprite
-    sprite: Objects/Consumable/Food/burger.rsi
+    sprite: Objects/Consumable/Food/burger_sequence.rsi
     layers:
     - state: bun_top
   - type: SolutionContainerManager
@@ -80,12 +81,8 @@
         - ReagentId: Nutriment
           Quantity: 3.3 # 1/2 of a bun
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Consumable/Food/burger.rsi
-      state: bun_top
     entries:
-      burger:
-        final: true
+      Burger: BunTopBurger
   
 # Base
 

Resources/Prototypes/Entities/Objects/Consumable/Food/ingredients.yml

@@ -642,14 +642,9 @@
     tags:
     - Slice
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Consumable/Food/ingredients.rsi
-      state: cheesewedge
     entries:
-      burger:
-        name: food-sequence-content-cheese
-      taco: 
-        name: food-sequence-content-cheese
+      Taco: CheeseTaco
+      Burger: CheeseBurger
 
 - type: entity
   name: chèvre log
@@ -700,15 +695,6 @@
   - type: Tag
     tags:
     - Slice
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Consumable/Food/ingredients.rsi
-      state: chevredisk
-    entries:
-      burger:
-        name: food-sequence-content-chevre
-      taco: 
-        name: food-sequence-content-chevre
 
 - type: entity
   name: tofu
@@ -757,15 +743,6 @@
   - type: Tag
     tags:
     - Slice
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Consumable/Food/ingredients.rsi
-      state: tofu
-    entries:
-      burger:
-        name: food-sequence-content-tofu
-      taco: 
-        name: food-sequence-content-tofu
 
 - type: entity
   name: burned mess
@@ -822,15 +799,6 @@
   - type: Tag
     tags:
       - Ingredient
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/cocoa.rsi
-      state: produce-beans
-    entries:
-      burger:
-        name: food-sequence-content-cocoa
-      taco: 
-        name: food-sequence-content-cocoa
 
 - type: entity
   name: raw croissant

Resources/Prototypes/Entities/Objects/Consumable/Food/produce.yml

@@ -142,15 +142,6 @@
   - type: Tag
     tags:
     - Vegetable
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/laughin_pea.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-content-pea
-      taco:
-        name: food-sequence-content-pea
 
 - type: entity
   name: tower-cap log
@@ -213,7 +204,7 @@
   - type: Produce
     seedId: nettle
   - type: MeleeChemicalInjector
-    transferAmount: 3 #To OD someone you would need 2 nettles and about 6-7 hits, the DOT is likely to crit them if they are running away with almost no health
+    transferAmount: 3 #TODO someone you would need 2 nettles and about 6-7 hits, the DOT is likely to crit them if they are running away with almost no health
     solution: food
     pierceArmor: false
   - type: Extractable
@@ -288,14 +279,9 @@
     - Fruit
     - Banana
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/banana.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-banana
-      taco:
-        name: food-sequence-content-banana
+      Burger: Banana
+      Taco: Banana
 
 - type: entity
   name: mimana
@@ -334,14 +320,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/mimana.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-mimana
-      taco:
-        name: food-sequence-content-mimana
+      Burger: Mimana
+      Taco: Mimana
 
 - type: entity
   name: banana peel
@@ -481,14 +462,9 @@
       - ReagentId: Oculine
         Quantity: 2
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/carrot.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-carrot
-      taco:
-        name: food-sequence-content-carrot
+      Burger: CarrotBurger
+      Taco: Carrot
 
 - type: entity
   name: cabbage
@@ -516,14 +492,9 @@
     tags:
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/cabbage.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-cabbage
-      taco:
-        name: food-sequence-content-cabbage
+      Burger: CabbageBurger
+      Taco: Cabbage
 
 - type: entity
   name: garlic
@@ -553,14 +524,9 @@
     tags:
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/garlic.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-garlic
-      taco:
-        name: food-sequence-content-garlic
+      Burger: GarlicBurger
+      Taco: Garlic
 
 - type: entity
   name: lemon
@@ -594,14 +560,9 @@
     - Lemon
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/lemon.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-lemon
-      taco:
-        name: food-sequence-content-lemon
+      Burger: Lemon
+      Taco: Lemon
 
 - type: entity
   name: lemoon
@@ -634,14 +595,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/lemoon.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-lemoon
-      taco:
-        name: food-sequence-content-lemoon
+      Burger: Lemoon
+      Taco: Lemoon
 
 - type: entity
   name: lime
@@ -666,14 +622,9 @@
     - Lime
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/lime.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-lime
-      taco:
-        name: food-sequence-content-lime
+      Burger: Lime
+      Taco: Lime
 
 - type: entity
   name: orange
@@ -697,14 +648,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/orange.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-orange
-      taco:
-        name: food-sequence-content-orange
+      Burger: Orange
+      Taco: Orange
 
 - type: entity
   name: pineapple
@@ -774,14 +720,9 @@
     - Potato
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/potato.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-potato
-      taco:
-        name: food-sequence-content-potato
+      Burger: Potato
+      Taco: Potato
 
 
 - type: entity
@@ -839,19 +780,10 @@
     - Fruit
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/tomato.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-tomato
-      taco:
-        name: food-sequence-content-tomato
-      skewer:
-        name: food-sequence-content-tomato
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-tomato
+      Skewer: TomatoSkewer
+      Burger: Tomato
+      Taco: Tomato
 
 - type: entity
   name: blue tomato
@@ -898,14 +830,9 @@
     - Fruit
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/blue_tomato.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-tomato
-      taco:
-        name: food-sequence-content-tomato
+      Burger: BlueTomato
+      Taco: BlueTomato
 
 - type: entity
   name: blood tomato
@@ -950,19 +877,10 @@
     - Fruit # Fuck you they're a fruit
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/blood_tomato.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-tomato
-      taco:
-        name: food-sequence-content-tomato
-      skewer:
-        name: food-sequence-content-tomato
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-tomato
+      Skewer: TomatoSkewer
+      Burger: BloodTomato
+      Taco: BloodTomato
 
 - type: entity
   name: eggplant
@@ -1022,14 +940,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/apple.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-apple
-      taco:
-        name: food-sequence-content-apple
+      Burger: Apple
+      Taco: Apple
 
 - type: entity
   name: golden apple
@@ -1067,14 +980,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/golden_apple.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-apple
-      taco:
-        name: food-sequence-content-apple
+      Burger: GoldenApple
+      Taco: GoldenApple
 
 - type: entity
   name: cocoa pod
@@ -1108,15 +1016,6 @@
   - type: Tag
     tags:
     - Fruit
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/cocoa.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-content-cocoa
-      taco:
-        name: food-sequence-content-cocoa
 
 - type: entity
   name: ear of corn
@@ -1156,19 +1055,10 @@
       - ReagentId: Enzyme
         Quantity: 2
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/corn.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-corn
-      taco:
-        name: food-sequence-content-corn
-      skewer:
-        name: food-sequence-content-corn
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-corn
+      Burger: Corn
+      Taco: Corn
+      Skewer: CornSkewer
 
 - type: entity
   name: corn cob
@@ -1191,15 +1081,6 @@
         reagents:
         - ReagentId: Cornmeal
           Quantity: 10
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/corn.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-content-corn
-      taco:
-        name: food-sequence-content-corn
 
 - type: entity
   name: onion
@@ -1231,15 +1112,6 @@
   - type: Tag
     tags:
     - Vegetable
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/onion.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-burger-content-onion
-      taco:
-        name: food-sequence-content-onion
 
 - type: entity
   name: red onion
@@ -1271,15 +1143,6 @@
   - type: Tag
     tags:
     - Vegetable
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/onion_red.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-burger-content-onion
-      taco:
-        name: food-sequence-content-onion
 
 - type: entity
   name: chanterelle cluster
@@ -1300,20 +1163,6 @@
   - type: Tag
     tags:
     - Vegetable
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/chanterelle.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-content-mushroom
-      taco:
-        name: food-sequence-content-mushroom
-      skewer:
-        name: food-sequence-content-mushroom
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-mushroom
 
 # Slices
 
@@ -1358,14 +1207,9 @@
     - Fruit
     - Slice
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/pineapple.rsi
-      state: slice
     entries:
-      burger:
-        name: food-sequence-burger-content-pineapple
-      taco:
-        name: food-sequence-content-pineapple
+      Burger: PineappleSliceBurger
+      Taco: PineappleSlice
 
 - type: entity
   name: onion slice
@@ -1394,14 +1238,9 @@
     - Vegetable
     - Slice
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/onion.rsi
-      state: slice
     entries:
-      burger:
-        name: food-sequence-burger-content-onion
-      taco:
-        name: food-sequence-content-onion
+      Burger: OnionSliceBurger
+      Taco: OnionSlice
 
 - type: entity
   name: red onion slice
@@ -1430,14 +1269,9 @@
     - Vegetable
     - Slice
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/onion_red.rsi
-      state: slice
     entries:
-      burger:
-        name: food-sequence-burger-content-onion
-      taco:
-        name: food-sequence-content-onion
+      Burger: OnionRedSliceBurger
+      Taco: OnionRedSlice
 
 - type: entity
   name: chili pepper
@@ -1467,19 +1301,10 @@
     tags:
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/chili.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-chili
-      taco:
-        name: food-sequence-content-chili
-      skewer:
-        name: food-sequence-content-chili
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-pepper
+      Taco: ChiliPepper
+      Burger: ChiliPepper
+      Skewer: ChiliPepperSkewer
 
 - type: entity
   name: chilly pepper
@@ -1507,19 +1332,10 @@
   - type: Produce
     seedId: chilly
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/chilly.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-chilly
-      taco:
-        name: food-sequence-content-chilly
-      skewer:
-        name: food-sequence-content-chilly
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-bluepepper
+      Taco: ChillyPepper
+      Burger: ChillyPepper
+      Skewer: ChillyPepperSkewer
 
 - type: entity
   name: aloe
@@ -1549,14 +1365,9 @@
     tags:
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/aloe.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-aloe
-      taco:
-        name: food-sequence-content-aloe
+      Taco: Aloe
+      Burger: Aloe
 
 - type: entity
   name: poppy
@@ -1590,14 +1401,9 @@
     tags:
     - Flower # TODO add "RedFlower" or "Poppy" tag, when other color flowers will be
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/poppy.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-poppy
-      taco:
-        name: food-sequence-content-poppy
+      Taco: Poppy
+      Burger: Poppy
 
 - type: entity
   name: lily
@@ -1627,14 +1433,9 @@
     tags:
     - Flower
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/lily.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-lily
-      taco:
-        name: food-sequence-content-lily
+      Taco: Lily
+      Burger: Lily
 
 - type: entity
   name: lingzhi
@@ -1662,19 +1463,9 @@
   - type: Extractable
     grindableSolutionName: food
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/lingzhi.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-mushroom
-      taco:
-        name: food-sequence-content-mushroom
-      skewer:
-        name: food-sequence-content-mushroom
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-mushroom
+      Taco: Lingzhi
+      Burger: Lingzhi
 
 - type: entity
   name: ambrosia vulgaris
@@ -1716,11 +1507,8 @@
     - Ambrosia
   - type: FoodSequenceElement
     entries:
-      burger:
-        name: food-sequence-burger-content-ambrosia
-        sprite:
-          sprite: Objects/Specific/Hydroponics/ambrosia_vulgaris.rsi
-          state: produce
+      Taco: AmbrosiaVulgaris
+      Burger: AmbrosiaVulgarisBurger
 
 - type: entity
   name: ambrosia deus
@@ -1759,14 +1547,9 @@
     tags:
     - Ambrosia
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/ambrosia_deus.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-ambrosia
-      taco:
-        name: food-sequence-content-ambrosia
+      Taco: AmbrosiaDeus
+      Burger: AmbrosiaDeusBurger
 
 - type: entity
   name: galaxythistle
@@ -1795,14 +1578,9 @@
     - Galaxythistle
     - Fruit # Probably?
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/galaxythistle.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-galaxy
-      taco:
-        name: food-sequence-content-galaxy
+      Taco: Galaxythistle
+      Burger: GalaxythistleBurger
 
 - type: entity
   name: glasstle
@@ -1868,14 +1646,9 @@
     tags:
     - Galaxythistle
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/glasstle.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-glasstle
-      taco:
-        name: food-sequence-content-glasstle
+      Taco: Glasstle
+      Burger: GlasstleBurger
 
 - type: entity
   name: fly amanita
@@ -1903,19 +1676,9 @@
     grindableSolutionName: food
   - type: BadFood
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/fly_amanita.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-mushroom
-      taco:
-        name: food-sequence-content-mushroom
-      skewer:
-        name: food-sequence-content-mushroom
-        sprite: 
-          sprite: Objects/Consumable/Food/skewer.rsi
-          state: skewer-mushroom
+      Taco: FlyAmanita
+      Burger: FlyAmanita
 
 - type: entity
   name: gatfruit
@@ -1946,14 +1709,9 @@
     tags:
     - Fruit # It's in the name
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/gatfruit.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-gatfruit
-      taco:
-        name: food-sequence-content-gatfruit
+      Taco: Gatfruit
+      Burger: GatfruitBurger
 
 - type: entity
   name: capfruit
@@ -1984,14 +1742,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/capfruit.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-capfruit
-      taco:
-        name: food-sequence-content-capfruit
+      Taco: Capfruit
+      Burger: CapfruitBurger
 
 - type: entity
   name: capfruit
@@ -2048,14 +1801,9 @@
     tags:
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/soybeans.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-soy
-      taco:
-        name: food-sequence-content-soy
+      Taco: Soybeans
+      Burger: SoybeansBurger
 
 - type: entity
   name: spaceman's trumpet
@@ -2085,14 +1833,9 @@
   - type: Instrument #hehe trumpet
     program: 56
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/spacemans_trumpet.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-spacemans-trumpet
-      taco:
-        name: food-sequence-content-spacemans-trumpet
+      Taco: SpacemansTrumpet
+      Burger: SpacemansTrumpetBurger
 
 - type: entity
   name: koibean
@@ -2122,14 +1865,9 @@
     tags:
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/koibean.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-koibean
-      taco:
-        name: food-sequence-content-koibean
+      Taco: Koibean
+      Burger: KoibeanBurger
 
 - type: entity
   name: watermelon
@@ -2227,14 +1965,10 @@
     - Fruit
     - Slice
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/watermelon.rsi
-      state: slice
     entries:
-      burger:
-        name: food-sequence-burger-content-watermelon
-      taco:
-        name: food-sequence-content-watermelon
+      Burger: WatermelonSliceBurger
+      Taco: WatermelonSlice
+      Skewer: WatermelonSliceSkewer
 
 - type: entity
   name: grapes
@@ -2298,14 +2032,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/berries.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-burger-content-berries
-      taco:
-        name: food-sequence-content-berries
+      Taco: Berries
+      Burger: BerriesBurger
 
 - type: entity
   name: bungo fruit
@@ -2341,14 +2070,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/bungo.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-bungo
-      taco:
-        name: food-sequence-content-bungo
+      Taco: Bungo
+      Burger: Bungo
 
 - type: entity
   name: bungo pit
@@ -2404,14 +2128,9 @@
     tags:
     - Vegetable
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/pea.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-pea
-      taco:
-        name: food-sequence-content-pea
+      Taco: Pea
+      Burger: Pea
 
 - type: entity
   name: pumpkin
@@ -2608,14 +2327,9 @@
     tags:
     - Fruit
   - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/cherry.rsi
-      state: produce
     entries:
-      burger:
-        name: food-sequence-content-cherry
-      taco:
-        name: food-sequence-content-cherry
+      Taco: Cherry
+      Burger: Cherry
 
 - type: entity
   name: cherry pit

Resources/Prototypes/Entities/Objects/Consumable/Food/skewer.yml

@@ -13,11 +13,34 @@
     layers:
     - state: skewer
     - map: ["foodSequenceLayers"]
+  - type: LandAtCursor
+  - type: Fixtures
+    fixtures:
+      fix1: 
+        shape: !type:PolygonShape
+          vertices:
+            - -0.40,-0.20
+            - -0.30,-0.30
+            - 0.50,0.10
+            - 0.40,0.20
+        density: 20
+        mask:
+        - ItemMask
+        restitution: 0.3
+        friction: 0.2
+  - type: DamageOtherOnHit
+    damage:
+      types:
+        Piercing: 6
+  - type: ThrowingAngle
+    angle: 245
+  - type: EmbeddableProjectile
+    offset: -0.15,0.0
   - type: MeleeWeapon
     wideAnimationRotation: -120
     damage:
       types:
-        Piercing: 4
+        Piercing: 8
     angle: 0
     animation: WeaponArcThrust
     soundHit:
@@ -35,10 +58,11 @@
         canReact: false # Dont want cause reactions inside skewers after merging ingredients
         maxVol: 0
   - type: FoodSequenceStartPoint
-    key: skewer
+    key: Skewer
     maxLayers: 4
     startPosition: -0.27, -0.19
     inverseLayers: true 
     offset: 0.2, 0.1
     nameGeneration: food-sequence-skewer-gen
     contentSeparator: ", "
+    allowHorizontalFlip: false

Resources/Prototypes/Entities/Objects/Consumable/Food/taco.yml

@@ -11,7 +11,7 @@
   - type: Food
     transferAmount: 3
   - type: Sprite
-    sprite: Objects/Consumable/Food/taco.rsi
+    sprite: Objects/Consumable/Food/taco_sequence.rsi
     layers:
     - state: tacoshell_back
     - map: ["foodSequenceLayers"]
@@ -25,12 +25,161 @@
         - ReagentId: Nutriment
           Quantity: 6.66
   - type: FoodSequenceStartPoint
-    key: taco
+    key: Taco
     maxLayers: 3
-    startPosition: -0.2, 0
-    offset: 0.1, 0
+    startPosition: -0.15, 0
+    offset: 0.15, 0
     minLayerOffset: 0, 0
     maxLayerOffset: 0, 0.05
     nameGeneration: food-sequence-taco-gen
     contentSeparator: ", "
-  - type: Appearance
+  - type: Appearance
+  
+# Old tacos
+
+- type: entity
+  parent: FoodInjectableBase
+  id: FoodTacoBase
+  abstract: true
+  components:
+  - type: FlavorProfile
+    flavors:
+      - meaty
+      - cheesy
+  - type: Food
+    transferAmount: 3
+  - type: Sprite
+    sprite: Objects/Consumable/Food/taco.rsi
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 15
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 6
+        - ReagentId: Vitamin
+          Quantity: 4
+  - type: Item
+    sprite: Objects/Consumable/Food/taco.rsi
+    storedRotation: -90
+  - type: Tag
+    tags:
+      - Meat
+
+- type: entity
+  name: beef taco
+  parent: FoodTacoBase
+  id: FoodTacoBeef
+  description: A very basic and run of the mill beef taco, now with cheese!
+  components:
+  - type: Food
+  - type: Sprite
+    state: beeftaco
+
+- type: entity
+  name: chicken taco
+  parent: FoodTacoBase
+  id: FoodTacoChicken
+  description: A very basic and run of the mill chicken taco, now with cheese!
+  components:
+  - type: Food
+  - type: Sprite
+    state: chickentaco
+
+- type: entity
+  name: fish taco
+  parent: FoodTacoBase
+  id: FoodTacoFish
+  description: Sounds kinda gross, but it's actually not that bad.
+  components:
+  - type: FlavorProfile
+    flavors:
+      - onion
+      - fishy
+  - type: Food
+  - type: Sprite
+    state: fishtaco
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 20
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 10
+        - ReagentId: Vitamin
+          Quantity: 6
+
+- type: entity
+  name: rat taco
+  parent: FoodTacoBase
+  id: FoodTacoRat
+  description: Yeah, that looks about right...
+  components:
+  - type: Food
+  - type: Sprite
+    state: rattaco
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 15
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 6
+        - ReagentId: Vitamin
+          Quantity: 4
+
+- type: entity
+  name: beef taco supreme
+  parent: FoodTacoBase
+  id: FoodTacoBeefSupreme
+  description: It's like a regular beef taco, but surpeme!
+  components:
+  - type: Food
+  - type: Sprite
+    state: beeftacosupreme
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 26
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 14
+        - ReagentId: Vitamin
+          Quantity: 6
+
+- type: entity
+  name: chicken taco supreme
+  parent: FoodTacoBase
+  id: FoodTacoChickenSupreme
+  description: It's like a regular chicken taco, but surpeme!
+  components:
+  - type: Food
+  - type: Sprite
+    state: chickentacosupreme
+  - type: SolutionContainerManager
+    solutions:
+      food:
+        maxVol: 26
+        reagents:
+        - ReagentId: Nutriment
+          Quantity: 14
+        - ReagentId: Vitamin
+          Quantity: 6
+
+- type: entity
+  name: soft taco
+  parent: FoodMealBase
+  id: FoodMealSoftTaco
+  description: Take a bite!
+  components:
+  - type: FlavorProfile
+    flavors:
+      - cheesy
+      - tomato
+      - meaty
+      - onion
+  - type: Sprite
+    state: softtaco
+  - type: Tag
+    tags:
+      - Meat

Resources/Prototypes/Entities/Objects/Specific/Hydroponics/leaves.yml

@@ -17,15 +17,6 @@
         reagents:
         - ReagentId: THC
           Quantity: 15
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/cannabis.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-burger-content-cannabis
-      taco:
-        name: food-sequence-content-cannabis
 
 
 - type: entity
@@ -106,15 +97,6 @@
 #         Quantity: 1
         - ReagentId: Psicodine
           Quantity: 0.6
-  - type: FoodSequenceElement
-    sprite:
-      sprite: Objects/Specific/Hydroponics/rainbow_cannabis.rsi
-      state: produce
-    entries:
-      burger:
-        name: food-sequence-burger-content-rainbow-cannabis
-      taco:
-        name: food-sequence-content-rainbow-cannabis
 
 - type: entity
   name: dried rainbow cannabis leaves

Resources/Prototypes/Recipes/Cooking/meal_recipes.yml

@@ -75,7 +75,7 @@
     FoodTomato: 1
     FoodOnionSlice: 2
 
-- type: microwaveMealRecipe
+- type: microwaveMealRecipe #Added to metamorph recipes
   id: RecipeBrainBurger
   name: brain burger recipe
   result: FoodBurgerBrain
@@ -94,7 +94,7 @@
     FoodMeat: 1
     ClothingHeadHatCatEars: 1
 
-- type: microwaveMealRecipe
+- type: microwaveMealRecipe #Added to metamorph recipes
   id: RecipeCheeseburger
   name: cheeseburger recipe
   result: FoodBurgerCheese
@@ -104,7 +104,7 @@
     FoodMeat: 1
     FoodCheeseSlice: 1
 
-- type: microwaveMealRecipe
+- type: microwaveMealRecipe #Added to metamorph recipes
   id: RecipeChickenSandwich
   name: chicken sandwich recipe
   result: FoodBurgerChicken
@@ -133,7 +133,7 @@
     FoodBreadBun: 1
     FoodMeatCorgi: 1
 
-- type: microwaveMealRecipe
+- type: microwaveMealRecipe #Added to metamorph recipes
   id: RecipeCrabBurger
   name: crab burger recipe
   result: FoodBurgerCrab
@@ -158,7 +158,7 @@
     CrayonGreen: 1
     Flare: 1
 
-- type: microwaveMealRecipe
+- type: microwaveMealRecipe #Added to metamorph recipes
   id: RecipeDuckBurger
   name: duck sandwich recipe
   result: FoodBurgerDuck
@@ -1892,6 +1892,74 @@
   solids:
     FoodDoughTortillaFlat: 1 # one third of a standard bread dough recipe
 
+- type: microwaveMealRecipe
+  id: RecipeTacoBeef
+  name: beef taco recipe
+  result: FoodTacoBeef
+  time: 10
+  solids:
+    FoodTacoShell: 1
+    FoodMeatCutlet: 1
+    FoodCheeseSlice: 1
+
+- type: microwaveMealRecipe
+  id: RecipeTacoChicken
+  name: chicken taco recipe
+  result: FoodTacoChicken
+  time: 10
+  solids:
+    FoodTacoShell: 1
+    FoodMeatChickenCutlet: 1
+    FoodCheeseSlice: 1
+
+- type: microwaveMealRecipe
+  id: RecipeTacoFish
+  name: fish taco recipe
+  result: FoodTacoFish
+  time: 10
+  solids:
+    FoodTacoShell: 1
+    FoodMeatFish: 1
+    FoodOnionSlice: 2
+    FoodTomato: 1
+    FoodCabbage: 1
+
+- type: microwaveMealRecipe
+  id: RecipeTacoRat
+  name: rat taco recipe
+  result: FoodTacoRat
+  time: 10
+  solids:
+    FoodTacoShell: 1
+    FoodCheeseSlice: 1
+    FoodMeatRat: 1
+
+- type: microwaveMealRecipe
+  id: RecipeTacoBeefSupreme
+  name: beef taco supreme recipe
+  result: FoodTacoBeefSupreme
+  time: 10
+  solids:
+    FoodTacoShell: 1
+    FoodCheeseSlice: 1
+    FoodMeatCutlet: 1
+    FoodTomato: 1
+    FoodCabbage: 1
+    FoodOnionSlice: 2
+
+- type: microwaveMealRecipe
+  id: RecipeTacoChickenSupreme
+  name: beef taco supreme recipe
+  result: FoodTacoChickenSupreme
+  time: 10
+  solids:
+    FoodTacoShell: 1
+    FoodCheeseSlice: 1
+    FoodMeatChickenCutlet: 1
+    FoodTomato: 1
+    FoodCabbage: 1
+    FoodOnionSlice: 2
+
 - type: microwaveMealRecipe
   id: RecipeCroissant
   name: croissant recipe

Resources/Prototypes/Recipes/Cooking/sequence_metamorph.yml

@@ -0,0 +1,125 @@
+# rules for transferring recipes from microwaveMealRecipe
+# 1) leave room for variation. If the original recipe calls for 2 pieces of meat, allow players to put in 2-3 pieces.
+# 2) max SequenceLength must be 1 element greater than the minimum ingredient set requires. This will allow you to put 1 poison fly or 1 other ingredient in different recipes and the recipes will still be valid.
+
+- type: metamorphRecipe
+  id: FoodBurgerCheese
+  key: Burger
+  result: FoodBurgerCheese
+  rules:
+  - !type:SequenceLength
+    range:
+      min: 3
+      max: 4
+  - !type:IngredientsWithTags # 1 meat cutlet
+    tags:
+    - Cooked
+    - Cutlet
+    - Meat
+    count:
+      min: 1
+      max: 2
+  - !type:IngredientsWithTags # 1 cheese
+    tags:
+    - Cheese
+    count:
+      min: 1
+      max: 2
+  - !type:LastElementHasTags # last bun
+    tags:
+    - Bun
+
+- type: metamorphRecipe
+  id: FoodBurgerChicken
+  key: Burger
+  result: FoodBurgerChicken
+  rules:
+  - !type:SequenceLength
+    range:
+      min: 2
+      max: 3
+  - !type:IngredientsWithTags # 1 chicken meat
+    tags:
+    - Cooked
+    - Cutlet
+    - Meat
+    - Chicken
+    count:
+      min: 1
+      max: 2
+  - !type:FoodHasReagent # 5 +- 2 mayo
+    reagent: Mayo
+    count:
+     min: 3
+     max: 7
+  - !type:LastElementHasTags # last bun
+    tags:
+    - Bun
+
+- type: metamorphRecipe
+  id: FoodBurgerCrab
+  key: Burger
+  result: FoodBurgerCrab
+  rules:
+  - !type:SequenceLength
+    range:
+      min: 3
+      max: 4
+  - !type:IngredientsWithTags # 2 crab meat
+    tags:
+    - Cooked
+    - Meat
+    - Crab
+    count:
+      min: 2
+      max: 3
+  - !type:LastElementHasTags # last bun
+    tags:
+    - Bun
+
+- type: metamorphRecipe
+  id: FoodBurgerDuck
+  key: Burger
+  result: FoodBurgerDuck
+  rules:
+  - !type:SequenceLength
+    range:
+      min: 3
+      max: 4
+  - !type:IngredientsWithTags # 1 duck meat
+    tags:
+    - Cooked
+    - Cutlet
+    - Meat
+    - Duck
+    count:
+      min: 1
+      max: 2
+  - !type:IngredientsWithTags # 1 cheese
+    tags:
+    - Cheese
+    count:
+      min: 1
+      max: 2
+  - !type:LastElementHasTags # last bun
+    tags:
+    - Bun
+
+- type: metamorphRecipe
+  id: FoodBurgerBrain
+  key: Burger
+  result: FoodBurgerBrain
+  rules:
+  - !type:SequenceLength
+    range:
+      min: 2
+      max: 3
+  - !type:IngredientsWithTags # 1 brain
+    tags:
+    - Brain
+    count:
+      min: 1
+      max: 2
+  - !type:LastElementHasTags # last bun
+    tags:
+    - Bun

Resources/Prototypes/tags.yml

@@ -222,6 +222,9 @@
 - type: Tag
   id: BoxHug
 
+- type: Tag
+  id: Brain
+
 - type: Tag
   id: BrassInstrument
 
@@ -243,12 +246,18 @@
 - type: Tag
   id: Bucket
 
+- type: Tag
+  id: Burger
+
 - type: Tag
   id: BulletFoam
 
 - type: Tag
   id: Burnt
 
+- type: Tag
+  id: Bun
+
 - type: Tag
   id: BypassDropChecks
 
@@ -367,6 +376,9 @@
 - type: Tag
   id: Chicken
 
+- type: Tag
+  id: Cheese
+
 # Allowed to control someone wearing a Chef's hat if inside their hat.
 - type: Tag
   id: ChefPilot
@@ -443,6 +455,9 @@
 - type: Tag
   id: Cow
 
+- type: Tag
+  id: Crab
+
 - type: Tag
   id: Crayon
 
@@ -1261,6 +1276,9 @@
 - type: Tag
   id: TabletopBoard
 
+- type: Tag
+  id: Taco
+
 - type: Tag
   id: TabletopPiece
 

Resources/Textures/Objects/Consumable/Food/burger.rsi/meta.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "Taken from tgstation and modified by Swept and potato1234x at https://github.com/tgstation/tgstation/commit/40d75cc340c63582fb66ce15bf75a36115f6bdaa, ian.png created by EmoGarbage, mothroach.png created by TurboTracker",
+  "copyright": "Taken from tgstation and modified by Swept and potato1234x at https://github.com/tgstation/tgstation/commit/40d75cc340c63582fb66ce15bf75a36115f6bdaa, ian.png created by EmoGarbage, mothroach.png created by TurboTracker, screwed by TheShuEd",
   "size": {
     "x": 32,
     "y": 32
@@ -28,12 +28,6 @@
     {
       "name": "bun"
     },
-    {
-      "name": "bun_top"
-    },
-    {
-      "name": "bun_bottom"
-    },
     {
       "name": "c"
     },
@@ -161,6 +155,9 @@
         ]
       ]
     },
+    {
+      "name": "screwed"
+    },
     {
       "name": "spell"
     },

Resources/Textures/Objects/Consumable/Food/burger_sequence.rsi/meta.json

@@ -0,0 +1,20 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Created by TheShuEd. Bun taken from tgstation and modified by Swept and potato1234x at https://github.com/tgstation/tgstation/commit/40d75cc340c63582fb66ce15bf75a36115f6bdaa, and edited by TheShuEd",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "bun_top"
+    },
+    {
+      "name": "bun_bottom"
+    },
+    {
+      "name": "cheese"
+    }
+  ]
+}

Resources/Textures/Objects/Consumable/Food/skewer.rsi/meta.json

@@ -42,6 +42,9 @@
     },
     {
       "name": "skewer-snake"
+    },
+    {
+      "name": "skewer-watermelon"
     }
   ]
 }

Resources/Textures/Objects/Consumable/Food/taco.rsi/meta.json

@@ -1,17 +1,29 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "Original sprite by Phunny, redrawn by TheShuEd",
+  "copyright": "Added by Phunny",
   "size": {
     "x": 32,
     "y": 32
   },
   "states": [
     {
-      "name": "tacoshell_back"
+      "name": "beeftaco"
     },
     {
-      "name": "tacoshell_forward"
+      "name": "beeftacosupreme"
+    },
+    {
+      "name": "chickentaco"
+    },
+    {
+      "name": "chickentacosupreme"
+    },
+    {
+      "name": "fishtaco"
+    },
+    {
+      "name": "rattaco"
     }
   ]
-}
+}

Resources/Textures/Objects/Consumable/Food/taco_sequence.rsi/meta.json

@@ -0,0 +1,23 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Created by TheShuEd, rat Taken from https://github.com/tgstation/tgstation/commit/e15c63d100db65eaaa5231133b8a2662ff439131#diff-8dd94e19fdb2ff341b57e31bce101298 and edited by TheShuEd",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "tacoshell_back"
+    },
+    {
+      "name": "tacoshell_forward"
+    },
+    {
+      "name": "cheese"
+    },
+    {
+      "name": "rat"
+    }
+  ]
+}