diff --git a/OpenRA.Mods.Cnc/Traits/World/TSEditorResourceLayer.cs b/OpenRA.Mods.Cnc/Traits/World/TSEditorResourceLayer.cs
new file mode 100644
index 0000000000..7bb81ccf14
--- /dev/null
+++ b/OpenRA.Mods.Cnc/Traits/World/TSEditorResourceLayer.cs
@@ -0,0 +1,110 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2021 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Cnc.Traits
+{
+	class TSEditorResourceLayerInfo : EditorResourceLayerInfo, Requires<EditorActorLayerInfo>
+	{
+		public readonly string VeinType = "Veins";
+
+		[ActorReference]
+		[Desc("Actor types that should be treated as veins for adjacency.")]
+		public readonly HashSet<string> VeinholeActors = new HashSet<string> { };
+
+		public override object Create(ActorInitializer init) { return new TSEditorResourceLayer(init.Self, this); }
+	}
+
+	class TSEditorResourceLayer : EditorResourceLayer
+	{
+		readonly TSEditorResourceLayerInfo info;
+		readonly EditorActorLayer actorLayer;
+
+		public TSEditorResourceLayer(Actor self, TSEditorResourceLayerInfo info)
+			: base(self, info)
+		{
+			this.info = info;
+			actorLayer = self.Trait<EditorActorLayer>();
+		}
+
+		bool IsValidVeinNeighbour(CPos cell, CPos neighbour)
+		{
+			// Cell is automatically valid if it contains a veinhole actor
+			if (actorLayer.PreviewsAt(neighbour).Any(a => info.VeinholeActors.Contains(a.Info.Name)))
+				return true;
+
+			// Neighbour must be flat or a cardinal slope, unless the resource cell itself is a slope
+			if (Map.Ramp[cell] == 0 && Map.Ramp[neighbour] > 4)
+				return false;
+
+			var terrainInfo = Map.Rules.TerrainInfo;
+			var terrainType = terrainInfo.TerrainTypes[terrainInfo.GetTerrainInfo(Map.Tiles[neighbour]).TerrainType].Type;
+			return info.ResourceTypes[info.VeinType].AllowedTerrainTypes.Contains(terrainType);
+		}
+
+		protected override bool AllowResourceAt(string resourceType, CPos cell)
+		{
+			var mapResources = Map.Resources;
+			if (!mapResources.Contains(cell))
+				return false;
+
+			// Resources are allowed on flat terrain and cardinal slopes
+			if (Map.Ramp[cell] > 4)
+				return false;
+
+			if (!info.ResourceTypes.TryGetValue(resourceType, out var resourceInfo))
+				return false;
+
+			// Ignore custom terrain types when spawning resources in the editor
+			var terrainInfo = Map.Rules.TerrainInfo;
+			var terrainType = terrainInfo.TerrainTypes[terrainInfo.GetTerrainInfo(Map.Tiles[cell]).TerrainType].Type;
+			if (!resourceInfo.AllowedTerrainTypes.Contains(terrainType))
+				return false;
+
+			// Veins must be placed next to a compatible border cell
+			if (resourceType == info.VeinType)
+			{
+				var neighboursValid = Common.Util.ExpandFootprint(cell, false)
+					.All(c => IsValidVeinNeighbour(cell, c));
+
+				if (!neighboursValid)
+					return false;
+			}
+
+			// TODO: Check against actors in the EditorActorLayer
+			return true;
+		}
+
+		protected override int AddResource(string resourceType, CPos cell, int amount = 1)
+		{
+			var added = base.AddResource(resourceType, cell, amount);
+
+			// Update neighbouring cells if needed to provide space for vein borders
+			var resourceIsVeins = resourceType == info.VeinType;
+			foreach (var c in Common.Util.ExpandFootprint(cell, false))
+			{
+				var resourceIndex = Map.Resources[c].Type;
+				if (resourceIndex == 0 || !ResourceTypesByIndex.TryGetValue(resourceIndex, out var neighourResourceType))
+					neighourResourceType = null;
+
+				var neighbourIsVeins = neighourResourceType == info.VeinType;
+				if (resourceIsVeins ^ neighbourIsVeins)
+					ClearResources(c);
+			}
+
+			return added;
+		}
+	}
+}
diff --git a/OpenRA.Mods.Cnc/Traits/World/TSResourceLayer.cs b/OpenRA.Mods.Cnc/Traits/World/TSResourceLayer.cs
new file mode 100644
index 0000000000..9d9cbbd687
--- /dev/null
+++ b/OpenRA.Mods.Cnc/Traits/World/TSResourceLayer.cs
@@ -0,0 +1,120 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2021 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Cnc.Traits
+{
+	class TSResourceLayerInfo : ResourceLayerInfo
+	{
+		public readonly string VeinType = "Veins";
+
+		[ActorReference]
+		[Desc("Actor types that should be treated as veins for adjacency.")]
+		public readonly HashSet<string> VeinholeActors = new HashSet<string> { };
+
+		public override object Create(ActorInitializer init) { return new TSResourceLayer(init.Self, this); }
+	}
+
+	class TSResourceLayer : ResourceLayer, INotifyActorDisposing
+	{
+		readonly TSResourceLayerInfo info;
+		readonly HashSet<CPos> veinholeCells = new HashSet<CPos>();
+
+		public TSResourceLayer(Actor self, TSResourceLayerInfo info)
+			: base(self, info)
+		{
+			this.info = info;
+		}
+
+		protected override void WorldLoaded(World w, WorldRenderer wr)
+		{
+			// Cache locations of veinhole actors
+			w.ActorAdded += ActorAddedToWorld;
+			w.ActorRemoved += ActorRemovedFromWorld;
+			foreach (var a in w.Actors)
+				ActorAddedToWorld(a);
+
+			base.WorldLoaded(w, wr);
+		}
+
+		void ActorAddedToWorld(Actor a)
+		{
+			if (info.VeinholeActors.Contains(a.Info.Name))
+				foreach (var cell in a.OccupiesSpace.OccupiedCells())
+					veinholeCells.Add(cell.Cell);
+		}
+
+		void ActorRemovedFromWorld(Actor a)
+		{
+			if (info.VeinholeActors.Contains(a.Info.Name))
+				foreach (var cell in a.OccupiesSpace.OccupiedCells())
+					veinholeCells.Remove(cell.Cell);
+		}
+
+		void INotifyActorDisposing.Disposing(Actor self)
+		{
+			self.World.ActorAdded -= ActorAddedToWorld;
+			self.World.ActorRemoved -= ActorRemovedFromWorld;
+		}
+
+		bool IsValidResourceNeighbour(CPos cell, CPos neighbour)
+		{
+			// Non-vein resources are not allowed in the cardinal neighbours to
+			// an already existing vein cell
+			return Content[neighbour].Type != info.VeinType;
+		}
+
+		bool IsValidVeinNeighbour(CPos cell, CPos neighbour)
+		{
+			// Cell is automatically valid if it contains a veinhole actor
+			if (veinholeCells.Contains(neighbour))
+				return true;
+
+			// Neighbour must be flat or a cardinal slope, unless the resource cell itself is a slope
+			if (Map.Ramp[cell] == 0 && Map.Ramp[neighbour] > 4)
+				return false;
+
+			// Neighbour must be have a compatible terrain type (which also implies no other resources)
+			var neighbourTerrain = Map.GetTerrainInfo(neighbour).Type;
+			var veinInfo = info.ResourceTypes[info.VeinType];
+			return neighbourTerrain == veinInfo.TerrainType || veinInfo.AllowedTerrainTypes.Contains(neighbourTerrain);
+		}
+
+		protected override bool AllowResourceAt(string resourceType, CPos cell)
+		{
+			if (!Map.Contains(cell))
+				return false;
+
+			// Resources are allowed on flat terrain and cardinal slopes
+			if (Map.Ramp[cell] > 4)
+				return false;
+
+			if (!info.ResourceTypes.TryGetValue(resourceType, out var resourceInfo))
+				return false;
+
+			if (!resourceInfo.AllowedTerrainTypes.Contains(Map.GetTerrainInfo(cell).Type))
+				return false;
+
+			// Ensure there is space for the vein border tiles (not needed on ramps)
+			var check = resourceType == info.VeinType ? (Func<CPos, CPos, bool>)IsValidVeinNeighbour : IsValidResourceNeighbour;
+			var blockedByNeighbours = Map.Ramp[cell] == 0 && !Common.Util.ExpandFootprint(cell, false)
+				.All(c => check(cell, c));
+
+			return !blockedByNeighbours && (resourceType == info.VeinType || BuildingInfluence.GetBuildingAt(cell) == null);
+		}
+	}
+}
diff --git a/OpenRA.Mods.Cnc/Traits/World/TSTiberiumRenderer.cs b/OpenRA.Mods.Cnc/Traits/World/TSTiberiumRenderer.cs
new file mode 100644
index 0000000000..cace0c9fe1
--- /dev/null
+++ b/OpenRA.Mods.Cnc/Traits/World/TSTiberiumRenderer.cs
@@ -0,0 +1,92 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2021 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Traits;
+
+namespace OpenRA.Mods.Cnc.Traits
+{
+	[Desc("Renders the Tiberian Sun Tiberium resources.", "Attach this to the world actor")]
+	public class TSTiberiumRendererInfo : ResourceRendererInfo
+	{
+		[Desc("Sequences to use for ramp type 1.", "Dictionary of [resource type]: [list of sequences].")]
+		public readonly Dictionary<string, string[]> Ramp1Sequences = new Dictionary<string, string[]>();
+
+		[Desc("Sequences to use for ramp type 2.", "Dictionary of [resource type]: [list of sequences].")]
+		public readonly Dictionary<string, string[]> Ramp2Sequences = new Dictionary<string, string[]>();
+
+		[Desc("Sequences to use for ramp type 3.", "Dictionary of [resource type]: [list of sequences].")]
+		public readonly Dictionary<string, string[]> Ramp3Sequences = new Dictionary<string, string[]>();
+
+		[Desc("Sequences to use for ramp type 4.", "Dictionary of [resource type]: [list of sequences].")]
+		public readonly Dictionary<string, string[]> Ramp4Sequences = new Dictionary<string, string[]>();
+
+		public override object Create(ActorInitializer init) { return new TSTiberiumRenderer(init.Self, this); }
+	}
+
+	public class TSTiberiumRenderer : ResourceRenderer
+	{
+		readonly TSTiberiumRendererInfo info;
+		readonly World world;
+		readonly Dictionary<string, Dictionary<string, ISpriteSequence>> ramp1Variants = new Dictionary<string, Dictionary<string, ISpriteSequence>>();
+		readonly Dictionary<string, Dictionary<string, ISpriteSequence>> ramp2Variants = new Dictionary<string, Dictionary<string, ISpriteSequence>>();
+		readonly Dictionary<string, Dictionary<string, ISpriteSequence>> ramp3Variants = new Dictionary<string, Dictionary<string, ISpriteSequence>>();
+		readonly Dictionary<string, Dictionary<string, ISpriteSequence>> ramp4Variants = new Dictionary<string, Dictionary<string, ISpriteSequence>>();
+
+		public TSTiberiumRenderer(Actor self, TSTiberiumRendererInfo info)
+			: base(self, info)
+		{
+			this.info = info;
+			world = self.World;
+		}
+
+		void LoadVariants(Dictionary<string, string[]> rampSequences, Dictionary<string, Dictionary<string, ISpriteSequence>> rampVariants)
+		{
+			var sequences = world.Map.Rules.Sequences;
+			foreach (var kv in rampSequences)
+			{
+				if (!Info.ResourceTypes.TryGetValue(kv.Key, out var resourceInfo))
+					continue;
+
+				var resourceVariants = kv.Value
+					.ToDictionary(v => v, v => sequences.GetSequence(resourceInfo.Image, v));
+				rampVariants.Add(kv.Key, resourceVariants);
+			}
+		}
+
+		protected override void WorldLoaded(World w, WorldRenderer wr)
+		{
+			LoadVariants(info.Ramp1Sequences, ramp1Variants);
+			LoadVariants(info.Ramp2Sequences, ramp2Variants);
+			LoadVariants(info.Ramp3Sequences, ramp3Variants);
+			LoadVariants(info.Ramp4Sequences, ramp4Variants);
+
+			base.WorldLoaded(w, wr);
+		}
+
+		protected override ISpriteSequence ChooseVariant(string resourceType, CPos cell)
+		{
+			Dictionary<string, Dictionary<string, ISpriteSequence>> variants;
+			switch (world.Map.Ramp[cell])
+			{
+				case 1: variants = ramp1Variants; break;
+				case 2: variants = ramp2Variants; break;
+				case 3: variants = ramp3Variants; break;
+				case 4: variants = ramp4Variants; break;
+				default: variants = Variants; break;
+			}
+
+			return variants[resourceType].Values.Random(world.LocalRandom);
+		}
+	}
+}
diff --git a/OpenRA.Mods.Cnc/Traits/World/TSVeinsRenderer.cs b/OpenRA.Mods.Cnc/Traits/World/TSVeinsRenderer.cs
new file mode 100644
index 0000000000..ff2227a9fb
--- /dev/null
+++ b/OpenRA.Mods.Cnc/Traits/World/TSVeinsRenderer.cs
@@ -0,0 +1,338 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2021 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using OpenRA.Graphics;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Cnc.Traits
+{
+	[Desc("Renders the Tiberian Sun Vein resources.", "Attach this to the world actor")]
+	public class TSVeinsRendererInfo : TraitInfo, Requires<IResourceLayerInfo>
+	{
+		[FieldLoader.Require]
+		[Desc("Resource type used for veins.")]
+		public readonly string ResourceType = null;
+
+		[Desc("Sequence image that holds the different variants.")]
+		public readonly string Image = "resources";
+
+		[SequenceReference(nameof(Image))]
+		[Desc("Vein sequence name.")]
+		public readonly string Sequence = "veins";
+
+		[PaletteReference]
+		[Desc("Palette used for rendering the resource sprites.")]
+		public readonly string Palette = TileSet.TerrainPaletteInternalName;
+
+		[FieldLoader.Require]
+		[Desc("Resource name used by tooltips.")]
+		public readonly string Name = null;
+
+		[ActorReference]
+		[Desc("Actor types that should be treated as veins for adjacency.")]
+		public readonly HashSet<string> VeinholeActors = new HashSet<string> { };
+
+		public override object Create(ActorInitializer init) { return new TSVeinsRenderer(init.Self, this); }
+	}
+
+	public class TSVeinsRenderer : IResourceRenderer, IWorldLoaded, IRenderOverlay, ITickRender, INotifyActorDisposing
+	{
+		[Flags]
+		enum Adjacency : byte
+		{
+			None = 0x0,
+			MinusX = 0x1,
+			PlusX = 0x2,
+			MinusY = 0x4,
+			PlusY = 0x8,
+		}
+
+		static readonly Dictionary<Adjacency, int[]> BorderIndices = new Dictionary<Adjacency, int[]>()
+		{
+			{ Adjacency.MinusY, new[] { 3, 4, 5 } },
+			{ Adjacency.PlusX, new[] { 6, 7, 8 } },
+			{ Adjacency.MinusY | Adjacency.PlusX, new[] { 9, 10, 11 } },
+			{ Adjacency.PlusY, new[] { 12, 13, 14 } },
+			{ Adjacency.MinusY | Adjacency.PlusY, new[] { 15, 16, 17 } },
+			{ Adjacency.PlusY | Adjacency.PlusX, new[] { 18, 19, 20 } },
+			{ Adjacency.MinusY | Adjacency.PlusY | Adjacency.PlusX, new[] { 21, 22, 23 } },
+			{ Adjacency.MinusX, new[] { 24, 25, 26 } },
+			{ Adjacency.MinusX | Adjacency.MinusY, new[] { 27, 28, 29 } },
+			{ Adjacency.MinusX | Adjacency.PlusX, new[] { 30, 31, 32 } },
+			{ Adjacency.MinusX | Adjacency.PlusX | Adjacency.MinusY, new[] { 33, 34, 35 } },
+			{ Adjacency.MinusX | Adjacency.PlusY, new[] { 36, 37, 38 } },
+			{ Adjacency.MinusX | Adjacency.MinusY | Adjacency.PlusY, new[] { 39, 40, 41 } },
+			{ Adjacency.MinusX | Adjacency.PlusX | Adjacency.PlusY, new[] { 42, 43, 44 } },
+			{ Adjacency.MinusX | Adjacency.PlusX | Adjacency.MinusY | Adjacency.PlusY, new[] { 45, 46, 47 } },
+		};
+
+		static readonly int[] HeavyIndices = { 48, 49, 50, 51 };
+		static readonly int[] LightIndices = { 52 };
+		static readonly int[] Ramp1Indices = { 53, 54 };
+		static readonly int[] Ramp2Indices = { 55, 56 };
+		static readonly int[] Ramp3Indices = { 57, 58 };
+		static readonly int[] Ramp4Indices = { 59, 60 };
+
+		readonly TSVeinsRendererInfo info;
+		readonly World world;
+		readonly IResourceLayer resourceLayer;
+		readonly CellLayer<int[]> renderIndices;
+		readonly CellLayer<Adjacency> borders;
+		readonly HashSet<CPos> dirty = new HashSet<CPos>();
+		readonly Queue<CPos> cleanDirty = new Queue<CPos>();
+		readonly HashSet<CPos> veinholeCells = new HashSet<CPos>();
+		readonly int maxDensity;
+
+		ISpriteSequence veinSequence;
+		PaletteReference veinPalette;
+		TerrainSpriteLayer spriteLayer;
+
+		public TSVeinsRenderer(Actor self, TSVeinsRendererInfo info)
+		{
+			this.info = info;
+			world = self.World;
+
+			resourceLayer = self.Trait<IResourceLayer>();
+			resourceLayer.CellChanged += AddDirtyCell;
+			maxDensity = resourceLayer.GetMaxDensity(info.ResourceType);
+
+			renderIndices = new CellLayer<int[]>(world.Map);
+			borders = new CellLayer<Adjacency>(world.Map);
+		}
+
+		void AddDirtyCell(CPos cell, string resourceType)
+		{
+			if (resourceType == null || resourceType == info.ResourceType)
+				dirty.Add(cell);
+		}
+
+		void IWorldLoaded.WorldLoaded(World w, WorldRenderer wr)
+		{
+			// Cache locations of veinhole actors
+			// TODO: Add support for monitoring actors placed in the map editor!
+			w.ActorAdded += ActorAddedToWorld;
+			w.ActorRemoved += ActorRemovedFromWorld;
+			foreach (var a in w.Actors)
+				ActorAddedToWorld(a);
+
+			veinSequence = w.Map.Rules.Sequences.GetSequence(info.Image, info.Sequence);
+			veinPalette = wr.Palette(info.Palette);
+
+			var first = veinSequence.GetSprite(0);
+			var emptySprite = new Sprite(first.Sheet, Rectangle.Empty, TextureChannel.Alpha);
+			spriteLayer = new TerrainSpriteLayer(w, wr, emptySprite, first.BlendMode, wr.World.Type != WorldType.Editor);
+
+			// Initialize the renderIndices with the initial map state so it is visible
+			// through the fog with the Explored Map option enabled
+			foreach (var cell in w.Map.AllCells)
+			{
+				var resource = resourceLayer.GetResource(cell);
+				var cellIndices = CalculateCellIndices(resource, cell);
+				if (cellIndices != null)
+				{
+					renderIndices[cell] = cellIndices;
+					UpdateRenderedSprite(cell, cellIndices);
+				}
+			}
+		}
+
+		int[] CalculateCellIndices(ResourceLayerContents contents, CPos cell)
+		{
+			if (contents.Type != info.ResourceType || contents.Density == 0)
+				return null;
+
+			var ramp = world.Map.Ramp[cell];
+			switch (ramp)
+			{
+				case 1: return Ramp1Indices;
+				case 2: return Ramp2Indices;
+				case 3: return Ramp3Indices;
+				case 4: return Ramp4Indices;
+				default: return contents.Density == maxDensity ? HeavyIndices : LightIndices;
+			}
+		}
+
+		void IRenderOverlay.Render(WorldRenderer wr)
+		{
+			spriteLayer.Draw(wr.Viewport);
+		}
+
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
+		{
+			foreach (var cell in dirty)
+			{
+				if (!resourceLayer.IsVisible(cell))
+					continue;
+
+				var contents = resourceLayer.GetResource(cell);
+				var cellIndices = CalculateCellIndices(contents, cell);
+				if (cellIndices != renderIndices[cell])
+				{
+					renderIndices[cell] = cellIndices;
+					UpdateRenderedSprite(cell, cellIndices);
+				}
+
+				cleanDirty.Enqueue(cell);
+			}
+
+			while (cleanDirty.Count > 0)
+				dirty.Remove(cleanDirty.Dequeue());
+		}
+
+		bool HasBorder(CPos cell)
+		{
+			if (!renderIndices.Contains(cell))
+				return false;
+
+			// Draw the vein border if this is a flat cell with veins, or a veinhole
+			return (world.Map.Ramp[cell] == 0 && renderIndices[cell] != null) || veinholeCells.Contains(cell);
+		}
+
+		Adjacency CalculateBorders(CPos cell)
+		{
+			// Borders are only valid on flat cells
+			if (world.Map.Ramp[cell] != 0)
+				return Adjacency.None;
+
+			var ret = Adjacency.None;
+			if (HasBorder(cell + new CVec(0, -1)))
+				ret |= Adjacency.MinusY;
+
+			if (HasBorder(cell + new CVec(-1, 0)))
+				ret |= Adjacency.MinusX;
+
+			if (HasBorder(cell + new CVec(1, 0)))
+				ret |= Adjacency.PlusX;
+
+			if (HasBorder(cell + new CVec(0, 1)))
+				ret |= Adjacency.PlusY;
+
+			return ret;
+		}
+
+		void UpdateRenderedSprite(CPos cell, int[] indices)
+		{
+			borders[cell] = Adjacency.None;
+			UpdateSpriteLayers(cell, indices);
+
+			foreach (var c in Common.Util.ExpandFootprint(cell, false))
+				UpdateBorderSprite(c);
+		}
+
+		void UpdateBorderSprite(CPos cell)
+		{
+			// Borders are never drawn on ramps or in cells that contain resources
+			if (HasBorder(cell) || world.Map.Ramp[cell] != 0)
+				return;
+
+			var adjacency = CalculateBorders(cell);
+			if (borders[cell] == adjacency)
+				return;
+
+			borders[cell] = adjacency;
+
+			if (adjacency == Adjacency.None)
+				UpdateSpriteLayers(cell, null);
+			else if (BorderIndices.TryGetValue(adjacency, out var indices))
+				UpdateSpriteLayers(cell, indices);
+			else
+				throw new InvalidOperationException("SpriteMap does not contain an index for Adjacency type '{0}'".F(adjacency));
+		}
+
+		void UpdateSpriteLayers(CPos cell, int[] indices)
+		{
+			if (indices != null)
+				spriteLayer.Update(cell, veinSequence, veinPalette, indices.Random(world.LocalRandom));
+			else
+				spriteLayer.Clear(cell);
+		}
+
+		void ActorAddedToWorld(Actor a)
+		{
+			if (info.VeinholeActors.Contains(a.Info.Name))
+			{
+				foreach (var cell in a.OccupiesSpace.OccupiedCells())
+				{
+					veinholeCells.Add(cell.Cell);
+					AddDirtyCell(cell.Cell, info.ResourceType);
+				}
+			}
+		}
+
+		void ActorRemovedFromWorld(Actor a)
+		{
+			if (info.VeinholeActors.Contains(a.Info.Name))
+			{
+				foreach (var cell in a.OccupiesSpace.OccupiedCells())
+				{
+					veinholeCells.Remove(cell.Cell);
+					AddDirtyCell(cell.Cell, null);
+				}
+			}
+		}
+
+		void INotifyActorDisposing.Disposing(Actor self)
+		{
+			resourceLayer.CellChanged -= AddDirtyCell;
+			world.ActorAdded -= ActorAddedToWorld;
+			world.ActorRemoved -= ActorRemovedFromWorld;
+		}
+
+		IEnumerable<string> IResourceRenderer.ResourceTypes { get { yield return info.ResourceType; } }
+
+		string IResourceRenderer.GetRenderedResourceType(CPos cell)
+		{
+			if (renderIndices[cell] != null)
+				return info.ResourceType;
+
+			// This makes sure harvesters will get a harvest cursor but then move to the next actual resource cell to start harvesting
+			return borders[cell] != Adjacency.None ? info.ResourceType : null;
+		}
+
+		string IResourceRenderer.GetRenderedResourceTooltip(CPos cell)
+		{
+			if (renderIndices[cell] != null)
+				return info.Name;
+
+			return borders[cell] != Adjacency.None ? info.Name : null;
+		}
+
+		IEnumerable<IRenderable> IResourceRenderer.RenderUIPreview(WorldRenderer wr, string resourceType, int2 origin, float scale)
+		{
+			if (resourceType != info.ResourceType)
+				yield break;
+
+			var sprite = veinSequence.GetSprite(HeavyIndices.First());
+			var palette = wr.Palette(info.Palette);
+
+			yield return new UISpriteRenderable(sprite, WPos.Zero, origin, 0, palette, scale);
+		}
+
+		IEnumerable<IRenderable> IResourceRenderer.RenderPreview(WorldRenderer wr, string resourceType, WPos origin)
+		{
+			if (resourceType != info.ResourceType)
+				yield break;
+
+			var frame = HeavyIndices.First();
+			var sprite = veinSequence.GetSprite(frame);
+			var alpha = veinSequence.GetAlpha(frame);
+			var palette = wr.Palette(info.Palette);
+
+			var tintModifiers = veinSequence.IgnoreWorldTint ? TintModifiers.IgnoreWorldTint : TintModifiers.None;
+			yield return new SpriteRenderable(sprite, origin, WVec.Zero, 0, palette, veinSequence.Scale, alpha, float3.Ones, tintModifiers, false);
+		}
+	}
+}
diff --git a/OpenRA.Mods.Cnc/UtilityCommands/ImportTSMapCommand.cs b/OpenRA.Mods.Cnc/UtilityCommands/ImportTSMapCommand.cs
index 3990044d2a..9ce3f232eb 100644
--- a/OpenRA.Mods.Cnc/UtilityCommands/ImportTSMapCommand.cs
+++ b/OpenRA.Mods.Cnc/UtilityCommands/ImportTSMapCommand.cs
@@ -237,6 +237,9 @@ namespace OpenRA.Mods.Cnc.UtilityCommands
 			{ 0x03, new byte[] { 0x7E } }
 		};
 
+		// Veins and vein holes
+		static readonly int[] ValidVeinNeighbours = { 0x7E, 0xA7, 0xB2 };
+
 		static readonly Dictionary<string, string> DeployableActors = new Dictionary<string, string>()
 		{
 			{ "gadpsa", "lpst" },
@@ -428,9 +431,14 @@ namespace OpenRA.Mods.Cnc.UtilityCommands
 								continue;
 					}
 
+					// Fix position of vein hole actors
+					var location = cell;
+					if (actorType == "veinhole")
+						location -= new CVec(1, 1);
+
 					var ar = new ActorReference(actorType)
 					{
-						new LocationInit(cell),
+						new LocationInit(location),
 						new OwnerInit("Neutral")
 					};
 
@@ -453,6 +461,19 @@ namespace OpenRA.Mods.Cnc.UtilityCommands
 					continue;
 				}
 
+				// TS maps encode the non-harvestable border tiles as overlay
+				// Only convert to vein resources if the overlay data specifies non-border frames
+				if (overlayType == 0x7E)
+				{
+					var frame = overlayDataPack[overlayIndex[cell]];
+					if (frame < 48 || frame > 60)
+						continue;
+
+					// Pick half or full density based on the frame
+					map.Resources[cell] = new ResourceTile(3, (byte)(frame == 52 ? 1 : 2));
+					continue;
+				}
+
 				var resourceType = ResourceFromOverlay
 					.Where(kv => kv.Value.Contains(overlayType))
 					.Select(kv => kv.Key)
diff --git a/OpenRA.Mods.Common/Util.cs b/OpenRA.Mods.Common/Util.cs
index a70109c57a..5728993932 100644
--- a/OpenRA.Mods.Common/Util.cs
+++ b/OpenRA.Mods.Common/Util.cs
@@ -157,6 +157,11 @@ namespace OpenRA.Mods.Common
 			return Math.Abs(offset.X) < 2 && Math.Abs(offset.Y) < 2;
 		}
 
+		public static IEnumerable<CPos> ExpandFootprint(CPos cell, bool allowDiagonal)
+		{
+			return Neighbours(cell, allowDiagonal);
+		}
+
 		public static IEnumerable<CPos> ExpandFootprint(IEnumerable<CPos> cells, bool allowDiagonal)
 		{
 			return cells.SelectMany(c => Neighbours(c, allowDiagonal)).Distinct();
diff --git a/mods/ts/maps/1ice6/map.bin b/mods/ts/maps/1ice6/map.bin
index bc72d7f3e3..080a3634ad 100644
Binary files a/mods/ts/maps/1ice6/map.bin and b/mods/ts/maps/1ice6/map.bin differ
diff --git a/mods/ts/maps/1ice6/map.png b/mods/ts/maps/1ice6/map.png
index 8801e0419a..5c2ca45616 100644
Binary files a/mods/ts/maps/1ice6/map.png and b/mods/ts/maps/1ice6/map.png differ
diff --git a/mods/ts/maps/2temp7/map.bin b/mods/ts/maps/2temp7/map.bin
index 21c3cd8f97..f87d270c49 100644
Binary files a/mods/ts/maps/2temp7/map.bin and b/mods/ts/maps/2temp7/map.bin differ
diff --git a/mods/ts/maps/2temp7/map.png b/mods/ts/maps/2temp7/map.png
index cad67ba5cd..b1eb994098 100644
Binary files a/mods/ts/maps/2temp7/map.png and b/mods/ts/maps/2temp7/map.png differ
diff --git a/mods/ts/maps/2temp7/map.yaml b/mods/ts/maps/2temp7/map.yaml
index 15c7b8381d..eb9e0eaafd 100644
--- a/mods/ts/maps/2temp7/map.yaml
+++ b/mods/ts/maps/2temp7/map.yaml
@@ -465,7 +465,7 @@ Actors:
 		Location: 68,-48
 		Owner: Neutral
 	Actor136: veinhole
-		Location: 63,-35
+		Location: 62,-36
 		Owner: Neutral
 	Actor137: srock01
 		Location: 60,-19
@@ -567,7 +567,7 @@ Actors:
 		Location: 80,25
 		Owner: Neutral
 	Actor170: veinhole
-		Location: 71,41
+		Location: 70,40
 		Owner: Neutral
 	Actor171: srock02
 		Location: 133,-14
diff --git a/mods/ts/maps/arivruns/map.bin b/mods/ts/maps/arivruns/map.bin
index bd0097b1f8..749a055c74 100644
Binary files a/mods/ts/maps/arivruns/map.bin and b/mods/ts/maps/arivruns/map.bin differ
diff --git a/mods/ts/maps/arivruns/map.png b/mods/ts/maps/arivruns/map.png
index d9c34165ad..c72cfea947 100644
Binary files a/mods/ts/maps/arivruns/map.png and b/mods/ts/maps/arivruns/map.png differ
diff --git a/mods/ts/maps/arivruns/map.yaml b/mods/ts/maps/arivruns/map.yaml
index 32a4515aa3..52d82403b7 100644
--- a/mods/ts/maps/arivruns/map.yaml
+++ b/mods/ts/maps/arivruns/map.yaml
@@ -1264,7 +1264,7 @@ Actors:
 		Location: 75,48
 		Owner: Neutral
 	Actor384: veinhole
-		Location: 138,-13
+		Location: 137,-14
 		Owner: Neutral
 	Actor385: trock01
 		Location: 144,-16
diff --git a/mods/ts/maps/cliffsin/map.png b/mods/ts/maps/cliffsin/map.png
index 6c514d4da6..586f2be632 100644
Binary files a/mods/ts/maps/cliffsin/map.png and b/mods/ts/maps/cliffsin/map.png differ
diff --git a/mods/ts/maps/drawbrid/map.png b/mods/ts/maps/drawbrid/map.png
index 1d728028bd..d662082fed 100644
Binary files a/mods/ts/maps/drawbrid/map.png and b/mods/ts/maps/drawbrid/map.png differ
diff --git a/mods/ts/maps/float/map.bin b/mods/ts/maps/float/map.bin
index 9f31287f0b..209d4469d8 100644
Binary files a/mods/ts/maps/float/map.bin and b/mods/ts/maps/float/map.bin differ
diff --git a/mods/ts/maps/float/map.png b/mods/ts/maps/float/map.png
index 7f5e548329..dd74547eef 100644
Binary files a/mods/ts/maps/float/map.png and b/mods/ts/maps/float/map.png differ
diff --git a/mods/ts/maps/float/map.yaml b/mods/ts/maps/float/map.yaml
index dfc67cdd1d..2c9a86915c 100644
--- a/mods/ts/maps/float/map.yaml
+++ b/mods/ts/maps/float/map.yaml
@@ -651,7 +651,7 @@ Actors:
 		Location: 70,-20
 		Owner: Neutral
 	Actor195: veinhole
-		Location: 31,11
+		Location: 30,10
 		Owner: Neutral
 	Actor196: srock05
 		Location: 34,14
@@ -666,13 +666,13 @@ Actors:
 		Location: 98,-44
 		Owner: Neutral
 	Actor200: veinhole
-		Location: 97,-39
+		Location: 96,-40
 		Owner: Neutral
 	Actor201: trock03
 		Location: 102,-44
 		Owner: Neutral
 	Actor202: veinhole
-		Location: 71,-8
+		Location: 70,-9
 		Owner: Neutral
 	Actor203: trock01
 		Location: 96,-33
diff --git a/mods/ts/maps/forestfr/map.png b/mods/ts/maps/forestfr/map.png
index 20a0b53368..045f27d5f7 100644
Binary files a/mods/ts/maps/forestfr/map.png and b/mods/ts/maps/forestfr/map.png differ
diff --git a/mods/ts/maps/rivrrad4/map.png b/mods/ts/maps/rivrrad4/map.png
index eb22c1d6da..8afedac3e6 100644
Binary files a/mods/ts/maps/rivrrad4/map.png and b/mods/ts/maps/rivrrad4/map.png differ
diff --git a/mods/ts/maps/springs/map.bin b/mods/ts/maps/springs/map.bin
index b874327a19..031933ee84 100644
Binary files a/mods/ts/maps/springs/map.bin and b/mods/ts/maps/springs/map.bin differ
diff --git a/mods/ts/maps/springs/map.png b/mods/ts/maps/springs/map.png
index da0252c339..63125f5621 100644
Binary files a/mods/ts/maps/springs/map.png and b/mods/ts/maps/springs/map.png differ
diff --git a/mods/ts/maps/t_garden/map.bin b/mods/ts/maps/t_garden/map.bin
index 3a3c3bd342..e6c0440f23 100644
Binary files a/mods/ts/maps/t_garden/map.bin and b/mods/ts/maps/t_garden/map.bin differ
diff --git a/mods/ts/maps/t_garden/map.png b/mods/ts/maps/t_garden/map.png
index 3ab1c210df..c2e38d3315 100644
Binary files a/mods/ts/maps/t_garden/map.png and b/mods/ts/maps/t_garden/map.png differ
diff --git a/mods/ts/maps/t_garden/map.yaml b/mods/ts/maps/t_garden/map.yaml
index d1e4dadddb..7a106ff8ef 100644
--- a/mods/ts/maps/t_garden/map.yaml
+++ b/mods/ts/maps/t_garden/map.yaml
@@ -872,10 +872,10 @@ Actors:
 		Location: 129,-36
 		Owner: Neutral
 	Actor253: veinhole
-		Location: 101,-6
+		Location: 100,-7
 		Owner: Neutral
 	Actor254: veinhole
-		Location: 86,18
+		Location: 85,17
 		Owner: Neutral
 	Actor255: trock03
 		Location: 80,60
diff --git a/mods/ts/maps/tactical/map.png b/mods/ts/maps/tactical/map.png
index 810e4729da..bd1cc15502 100644
Binary files a/mods/ts/maps/tactical/map.png and b/mods/ts/maps/tactical/map.png differ
diff --git a/mods/ts/maps/terrace/map.png b/mods/ts/maps/terrace/map.png
index b3c67b5a0a..c4842dbecd 100644
Binary files a/mods/ts/maps/terrace/map.png and b/mods/ts/maps/terrace/map.png differ
diff --git a/mods/ts/maps/tiers/map.bin b/mods/ts/maps/tiers/map.bin
index 1d0dd77362..d42987a8b8 100644
Binary files a/mods/ts/maps/tiers/map.bin and b/mods/ts/maps/tiers/map.bin differ
diff --git a/mods/ts/maps/tiers/map.png b/mods/ts/maps/tiers/map.png
index 0c0cc1a6aa..259cc8d112 100644
Binary files a/mods/ts/maps/tiers/map.png and b/mods/ts/maps/tiers/map.png differ
diff --git a/mods/ts/maps/tiers/map.yaml b/mods/ts/maps/tiers/map.yaml
index 445f06a3dd..a90711a971 100644
--- a/mods/ts/maps/tiers/map.yaml
+++ b/mods/ts/maps/tiers/map.yaml
@@ -437,13 +437,13 @@ Actors:
 		Location: 55,-5
 		Owner: Neutral
 	Actor129: veinhole
-		Location: 61,-18
+		Location: 60,-19
 		Owner: Neutral
 	Actor130: veinhole
-		Location: 72,-11
+		Location: 71,-12
 		Owner: Neutral
 	Actor131: veinhole
-		Location: 62,1
+		Location: 61,0
 		Owner: Neutral
 
 Rules:
diff --git a/mods/ts/maps/tread_l/map.bin b/mods/ts/maps/tread_l/map.bin
index 20d4180e23..636a4d039f 100644
Binary files a/mods/ts/maps/tread_l/map.bin and b/mods/ts/maps/tread_l/map.bin differ
diff --git a/mods/ts/maps/tread_l/map.png b/mods/ts/maps/tread_l/map.png
index 6ba27bbad8..2f65b3008e 100644
Binary files a/mods/ts/maps/tread_l/map.png and b/mods/ts/maps/tread_l/map.png differ
diff --git a/mods/ts/rules/nod-structures.yaml b/mods/ts/rules/nod-structures.yaml
index f77a9bb23c..b5df72a30f 100644
--- a/mods/ts/rules/nod-structures.yaml
+++ b/mods/ts/rules/nod-structures.yaml
@@ -508,7 +508,7 @@ NAWAST:
 	Tooltip:
 		Name: Waste Refinery
 	Buildable:
-		Queue: Buildig
+		Queue: Building
 		BuildPaletteOrder: 130
 		Prerequisites: namisl, ~structures.nod, ~techlevel.superweapons
 		BuildLimit: 1
diff --git a/mods/ts/rules/player.yaml b/mods/ts/rules/player.yaml
index 92d9cd3d02..87f9eac6bc 100644
--- a/mods/ts/rules/player.yaml
+++ b/mods/ts/rules/player.yaml
@@ -5,6 +5,7 @@
 		ResourceValues:
 			Tiberium: 25
 			BlueTiberium: 40
+			Veins: 0
 
 EditorPlayer:
 	Inherits: ^BasePlayer
diff --git a/mods/ts/rules/trees.yaml b/mods/ts/rules/trees.yaml
index 02bf31a0c6..233b77911a 100644
--- a/mods/ts/rules/trees.yaml
+++ b/mods/ts/rules/trees.yaml
@@ -99,20 +99,17 @@ TREE24:
 TREE25:
 	Inherits: ^Tree
 
-VEINHOLEDUMMY:
+VEINHOLE:
 	HiddenUnderShroud:
 	RadarColorFromTerrain:
 		Terrain: Veins
 	AppearsOnMapPreview:
 		Terrain: Veins
 	Building:
-		Footprint: xx xx
-		Dimensions: 2, 2
+		Footprint: xxx xxx xxx
+		Dimensions: 3, 3
 	BodyOrientation:
 		QuantizedFacings: 1
-
-VEINHOLE:
-	Inherits: VEINHOLEDUMMY
 	AppearsOnRadar:
 	Tooltip:
 		Name: Veinhole
diff --git a/mods/ts/rules/world.yaml b/mods/ts/rules/world.yaml
index f9c3af88ca..660cb96389 100644
--- a/mods/ts/rules/world.yaml
+++ b/mods/ts/rules/world.yaml
@@ -204,7 +204,7 @@
 	CliffBackImpassabilityLayer:
 	SubterraneanActorLayer:
 	JumpjetActorLayer:
-	ResourceRenderer:
+	TSTiberiumRenderer:
 		ResourceTypes:
 			Tiberium:
 				Sequences: tib01, tib02, tib03, tib04, tib05, tib06, tib07, tib08, tib09, tib10, tib11, tib12
@@ -214,10 +214,23 @@
 				Sequences: tib01, tib02, tib03, tib04, tib05, tib06, tib07, tib08, tib09, tib10, tib11, tib12
 				Palette: bluetiberium
 				Name: Tiberium
-			Veins:
-				Sequences: veins
-				Palette: player
-				Name: Veins
+		Ramp1Sequences:
+			Tiberium: tib13, tib14
+			BlueTiberium: tib13, tib14
+		Ramp2Sequences:
+			Tiberium: tib15, tib16
+			BlueTiberium: tib15, tib16
+		Ramp3Sequences:
+			Tiberium: tib17, tib18
+			BlueTiberium: tib17, tib18
+		Ramp4Sequences:
+			Tiberium: tib19, tib20
+			BlueTiberium: tib19, tib20
+	TSVeinsRenderer:
+		ResourceType: Veins
+		Name: Veins
+		Palette: player
+		VeinholeActors: veinhole
 
 World:
 	Inherits: ^BaseWorld
@@ -257,7 +270,8 @@ World:
 	SmudgeLayer@LARGECRATER:
 		Type: LargeCrater
 		Sequence: largecraters
-	ResourceLayer:
+	TSResourceLayer:
+		VeinholeActors: veinhole
 		ResourceTypes:
 			Tiberium:
 				ResourceIndex: 1
@@ -273,7 +287,7 @@ World:
 				ResourceIndex: 3
 				TerrainType: Veins
 				AllowedTerrainTypes: Clear, Rough, DirtRoad
-				MaxDensity: 1
+				MaxDensity: 2
 	BridgeLayer:
 	CustomTerrainDebugOverlay:
 	ResourceClaimLayer:
@@ -371,7 +385,7 @@ EditorWorld:
 	Inherits: ^BaseWorld
 	EditorActorLayer:
 	EditorCursorLayer:
-	EditorResourceLayer:
+	TSEditorResourceLayer:
 		ResourceTypes:
 			Tiberium:
 				ResourceIndex: 1
@@ -387,7 +401,8 @@ EditorWorld:
 				ResourceIndex: 3
 				TerrainType: Veins
 				AllowedTerrainTypes: Clear, Rough, DirtRoad
-				MaxDensity: 1
+				MaxDensity: 2
+		VeinholeActors: veinhole
 	EditorSelectionLayer:
 		Palette: ra
 		FootprintAlpha: 0.7
diff --git a/mods/ts/sequences/misc.yaml b/mods/ts/sequences/misc.yaml
index f3d022f692..7fa15e745e 100644
--- a/mods/ts/sequences/misc.yaml
+++ b/mods/ts/sequences/misc.yaml
@@ -400,20 +400,19 @@ resources:
 	tib10: tib10
 	tib11: tib11
 	tib12: tib12
-	tib13: tib13 # TODO: NW ramp variant, currently unused
-	tib14: tib14 # TODO: NW ramp variant, currently unused
-	tib15: tib15 # TODO: NE ramp variant, currently unused
-	tib16: tib16 # TODO: NE ramp variant, currently unused
-	tib17: tib17 # TODO: SE ramp variant, currently unused
-	tib18: tib18 # TODO: SE ramp variant, currently unused
-	tib19: tib19 # TODO: SW ramp variant, currently unused
-	tib20: tib20 # TODO: SW ramp variant, currently unused
+	tib13: tib13
+	tib14: tib14
+	tib15: tib15
+	tib16: tib16
+	tib17: tib17
+	tib18: tib18
+	tib19: tib19
+	tib20: tib20
 	veins: veins
-		Length: 1
-		Start: 52
+		Length: *
 		ShadowStart: -1
-		Tick: 180
-		Offset: 0, -12, 2.5
+		# TODO: Reduce z offset again after fixing #12229
+		Offset: 0, -12, 5.5
 		IgnoreWorldTint: false
 
 veins:
diff --git a/mods/ts/sequences/trees.yaml b/mods/ts/sequences/trees.yaml
index 3f65b4e28d..229e9ae826 100644
--- a/mods/ts/sequences/trees.yaml
+++ b/mods/ts/sequences/trees.yaml
@@ -192,5 +192,5 @@ veinhole:
 	idle:
 		ShadowStart: 1
 		UseTilesetExtension: true
-		Offset: 0,-60
+		Offset: 0, -36
 		ZRamp: 1