Add support for additional cloak styles and use native alpha in RA,D2k,TS.

OpenRA.Mods.Common/Traits/Cloak.cs

@@ -39,6 +39,8 @@ namespace OpenRA.Mods.Common.Traits
 	// Type tag for DetectionTypes
 	public class DetectionType { }
 
+	public enum CloakStyle { None, Alpha, Color, Palette }
+
 	[Desc("This unit can cloak and uncloak in specific situations.")]
 	public class CloakInfo : PausableConditionalTraitInfo
 	{
@@ -57,10 +59,6 @@ namespace OpenRA.Mods.Common.Traits
 		public readonly string CloakSound = null;
 		public readonly string UncloakSound = null;
 
-		[PaletteReference(nameof(IsPlayerPalette))]
-		public readonly string Palette = "cloak";
-		public readonly bool IsPlayerPalette = false;
-
 		public readonly BitSet<DetectionType> DetectionTypes = new("Cloak");
 
 		[GrantedConditionReference]
@@ -70,6 +68,22 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("The type of cloak. Same type of cloaks won't trigger cloaking and uncloaking sound and effect.")]
 		public readonly string CloakType = null;
 
+		[Desc("Render effect to use when cloaked.")]
+		public readonly CloakStyle CloakStyle = CloakStyle.Alpha;
+
+		[Desc("The alpha level to use when cloaked when using Alpha CloakStyle.")]
+		public readonly float CloakedAlpha = 0.55f;
+
+		[Desc("The color to use when cloaked when using Color CloakStyle.")]
+		public readonly Color CloakedColor = Color.FromArgb(140, 0, 0, 0);
+
+		[PaletteReference(nameof(IsPlayerPalette))]
+		[Desc("The palette to use when cloaked when using Palette CloakStyle.")]
+		public readonly string CloakedPalette = null;
+
+		[Desc("Indicates that CloakedPalette is a player palette when using Palette CloakStyle.")]
+		public readonly bool IsPlayerPalette = false;
+
 		[Desc("Which image to use for the effect played when cloaking or uncloaking.")]
 		public readonly string EffectImage = null;
 
@@ -95,8 +109,11 @@ namespace OpenRA.Mods.Common.Traits
 	}
 
 	public class Cloak : PausableConditionalTrait<CloakInfo>, IRenderModifier, INotifyDamage, INotifyUnloadCargo, INotifyLoadCargo, INotifyDemolition, INotifyInfiltration,
-		INotifyAttack, ITick, IVisibilityModifier, IRadarColorModifier, INotifyCreated, INotifyDockClient, INotifySupportPower
+		INotifyAttack, ITick, IVisibilityModifier, IRadarColorModifier, INotifyDockClient, INotifySupportPower
 	{
+		readonly float3 cloakedColor;
+		readonly float cloakedColorAlpha;
+
 		[Sync]
 		int remainingTime;
 
@@ -112,6 +129,8 @@ namespace OpenRA.Mods.Common.Traits
 			: base(info)
 		{
 			remainingTime = info.InitialDelay;
+			cloakedColor = new float3(info.CloakedColor.R, info.CloakedColor.G, info.CloakedColor.B) / 255f;
+			cloakedColorAlpha = info.CloakedColor.A / 255f;
 		}
 
 		protected override void Created(Actor self)
@@ -162,15 +181,28 @@ namespace OpenRA.Mods.Common.Traits
 
 			if (Cloaked && IsVisible(self, self.World.RenderPlayer))
 			{
-				var palette = wr.Palette(Info.IsPlayerPalette ? Info.Palette + self.Owner.InternalName : Info.Palette);
+				switch (Info.CloakStyle)
+				{
+					case CloakStyle.Alpha:
+						return r.Select(a => !a.IsDecoration && a is IModifyableRenderable mr ? mr.WithAlpha(Info.CloakedAlpha) : a);
 
-				if (palette == null)
-					return r;
-				else
-					return r.Select(a => !a.IsDecoration && a is IPalettedRenderable pr ? pr.WithPalette(palette) : a);
+					case CloakStyle.Color:
+						return r.Select(a => !a.IsDecoration && a is IModifyableRenderable mr ?
+							mr.WithTint(cloakedColor, mr.TintModifiers | TintModifiers.ReplaceColor).WithAlpha(cloakedColorAlpha) :
+							a);
+
+					case CloakStyle.Palette:
+					{
+						var palette = wr.Palette(Info.IsPlayerPalette ? Info.CloakedPalette + self.Owner.InternalName : Info.CloakedPalette);
+						return r.Select(a => !a.IsDecoration && a is IPalettedRenderable pr ? pr.WithPalette(palette) : a);
+					}
+
+					default:
+						return r;
+				}
 			}
-			else
-				return SpriteRenderable.None;
+
+			return SpriteRenderable.None;
 		}
 
 		IEnumerable<Rectangle> IRenderModifier.ModifyScreenBounds(Actor self, WorldRenderer wr, IEnumerable<Rectangle> bounds)

OpenRA.Mods.Common/UpdateRules/Rules/20231010/ReplaceCloakPalette.cs

@@ -0,0 +1,49 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * 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;
+
+namespace OpenRA.Mods.Common.UpdateRules.Rules
+{
+	public class ReplaceCloakPalette : UpdateRule
+	{
+		public override string Name => "Change default Cloak style from Palette to Alpha.";
+
+		public override string Description =>
+			"Cloak has gained several new rendering modes\n" +
+			"and its default behaviour has changed from using a palette to native alpha.";
+
+		readonly List<string> locations = new();
+
+		public override IEnumerable<string> AfterUpdate(ModData modData)
+		{
+			if (locations.Count > 0)
+				yield return "Cloak no longer defaults to replacing the actor's palette.\n" +
+					"If you wish to keep the previous behavior you wish to change the\n" +
+					"Cloak definitions on the following actor definitions:\n" +
+					UpdateUtils.FormatMessageList(locations);
+
+			locations.Clear();
+		}
+
+		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNodeBuilder actorNode)
+		{
+			foreach (var cloak in actorNode.ChildrenMatching("Cloak"))
+			{
+				cloak.RemoveNodes("Palette");
+				cloak.RemoveNodes("IsPlayerPalette");
+				locations.Add($"{actorNode.Key} ({actorNode.Location.Filename})");
+			}
+
+			yield break;
+		}
+	}
+}

OpenRA.Mods.Common/UpdateRules/UpdatePath.cs

@@ -85,6 +85,7 @@ namespace OpenRA.Mods.Common.UpdateRules
 				new ExtractResourceStorageFromHarvester(),
 				new ReplacePaletteModifiers(),
 				new RemoveConyardChronoReturnAnimation(),
+				new ReplaceCloakPalette(),
 
 				// Execute these rules last to avoid premature yaml merge crashes.
 				new AbstractDocking(),

mods/cnc/rules/aircraft.yaml

@@ -208,6 +208,8 @@ C17:
 	Cloak:
 		InitialDelay: 0
 		CloakDelay: 0
+		CloakStyle: Palette
+		CloakedPalette: cloak
 		DetectionTypes: C17
 		RequiresCondition: global-C17-stealth
 	Contrail@1:

mods/cnc/rules/defaults.yaml

@@ -199,6 +199,8 @@
 		CloakDelay: 90
 		CloakSound: trans1.aud
 		UncloakSound: trans1.aud
+		CloakStyle: Palette
+		CloakedPalette: cloak
 		PauseOnCondition: cloak-force-disabled
 		RequiresCondition: cloak-crate-collected
 	ExternalCondition@CLOAK:

mods/cnc/rules/vehicles.yaml

@@ -708,6 +708,8 @@ STNK:
 		CloakDelay: 85
 		CloakSound: trans1.aud
 		UncloakSound: trans1.aud
+		CloakStyle: Palette
+		CloakedPalette: cloak
 		UncloakOn: Attack, Unload, Dock, Damage, Heal
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:

mods/d2k/rules/campaign-palettes.yaml

@@ -1,6 +1,5 @@
 ^Palettes:
 	-PlayerColorPalette:
-	-PaletteFromPlayerPaletteWithAlpha@cloak:
 	IndexedPlayerPalette:
 		BasePalette: d2k
 		BaseName: player
@@ -15,7 +14,3 @@
 			Mercenaries: 239, 238, 237, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224
 			Neutral: 255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240
 			Creeps: 255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240
-	PaletteFromPlayerPaletteWithAlpha@Cloak:
-		BaseName: cloak
-		BasePalette: player
-		Alpha: 0.55

mods/d2k/rules/infantry.yaml

@@ -186,7 +186,6 @@ fremen:
 		InitialDelay: 85
 		CloakDelay: 85
 		UncloakOn: Attack, Unload, Infiltrate, Demolish, Dock, Damage, Heal
-		IsPlayerPalette: true
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:
 		Condition: cloak-force-disabled
@@ -328,7 +327,6 @@ saboteur:
 		CloakDelay: 25
 		CloakSound: STEALTH1.WAV
 		UncloakOn: Attack, Unload, Infiltrate, Demolish, Damage, Heal
-		IsPlayerPalette: true
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:
 		Condition: cloak-force-disabled

mods/d2k/rules/palettes.yaml

@@ -44,7 +44,3 @@
 		RemapIndex: 255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240
 	MenuPostProcessEffect:
 	FlashPostProcessEffect:
-	PaletteFromPlayerPaletteWithAlpha@cloak:
-		BaseName: cloak
-		BasePalette: player
-		Alpha: 0.55

mods/d2k/rules/vehicles.yaml

@@ -498,7 +498,6 @@ stealth_raider:
 		InitialDelay: 45
 		CloakDelay: 90
 		UncloakOn: Attack, Unload, Infiltrate, Demolish, Dock, Damage, Heal
-		IsPlayerPalette: true
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:
 		Condition: cloak-force-disabled

mods/ra/maps/fort-lonestar/rules.yaml

@@ -316,7 +316,6 @@ SNIPER:
 		CloakSound:
 		UncloakSound:
 		UncloakOn: Attack, Unload, Infiltrate, Demolish, Move
-		IsPlayerPalette: true
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:
 		Condition: cloak-force-disabled

mods/ra/rules/campaign-palettes.yaml

@@ -1,7 +1,6 @@
 ^Palettes:
 	-PlayerColorPalette:
 	-PlayerColorPalette@NOSHADOW:
-	-PaletteFromPlayerPaletteWithAlpha@cloak:
 	IndexedPlayerPalette:
 		BasePalette: player
 		BaseName: player
@@ -40,7 +39,3 @@
 			Creeps: 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143
 			GoodGuy: 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175
 			BadGuy: 229, 230, 231, 232, 233, 234, 235, 8, 236, 237, 238, 239, 221, 222, 223, 223
-	PaletteFromPlayerPaletteWithAlpha@Cloak:
-		BaseName: cloak
-		BasePalette: player
-		Alpha: 0.55

mods/ra/rules/defaults.yaml

@@ -559,10 +559,10 @@
 		DetectionTypes: Underwater
 		InitialDelay: 0
 		CloakDelay: 50
+		CloakStyle: Color
 		CloakSound: subshow1.aud
 		UncloakSound: subshow1.aud
 		CloakedCondition: underwater
-		Palette: submerged
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:
 		Condition: cloak-force-disabled
@@ -1230,7 +1230,7 @@
 	Cloak:
 		CloakSound:
 		UncloakSound:
-		Palette:
+		CloakStyle: None
 		DetectionTypes: Mine
 		InitialDelay: 0
 	Tooltip:

mods/ra/rules/infantry.yaml

@@ -664,7 +664,6 @@ THF:
 		CloakDelay: 120
 		UncloakOn: Attack, Unload, Infiltrate, Demolish, Move
 		DetectionTypes: Cloak
-		IsPlayerPalette: true
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:
 		Condition: cloak-force-disabled

mods/ra/rules/palettes.yaml

@@ -56,12 +56,6 @@
 		G: 0
 		B: 0
 		A: 140
-	PaletteFromRGBA@submerged:
-		Name: submerged
-		R: 0
-		G: 0
-		B: 0
-		A: 140
 	PaletteFromRGBA@moveflash:
 		Name: moveflash
 		R: 255
@@ -80,10 +74,6 @@
 		BaseName: player-noshadow
 		BasePalette: player-noshadow
 		RemapIndex: 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95
-	PaletteFromPlayerPaletteWithAlpha@cloak:
-		BaseName: cloak
-		BasePalette: player
-		Alpha: 0.55
 	MenuPostProcessEffect:
 	RotationPaletteEffect@defaultwater:
 		Palettes: terrain

mods/ra/rules/structures.yaml

@@ -795,7 +795,6 @@ HBOX:
 	Cloak:
 		InitialDelay: 125
 		CloakDelay: 60
-		IsPlayerPalette: true
 		PauseOnCondition: cloak-force-disabled
 	GrantConditionOnDamageState@UNCLOAK:
 		Condition: cloak-force-disabled

mods/ra/rules/vehicles.yaml

@@ -919,7 +919,6 @@ STNK:
 		CloakDelay: 175
 		CloakSound: appear1.aud
 		UncloakSound: appear1.aud
-		IsPlayerPalette: true
 		PauseOnCondition: cloak-force-disabled
 		UncloakOn: Attack, Load, Unload, Heal, Dock
 	GrantConditionOnDamageState@UNCLOAK:

mods/ts/rules/defaults.yaml

@@ -129,7 +129,6 @@
 		RequiresCondition: cloakgenerator || crate-cloak
 		InitialDelay: 0
 		CloakDelay: 90
-		IsPlayerPalette: true
 		CloakSound: cloak5.aud
 		UncloakSound: cloak5.aud
 		UncloakOn: Attack, Unload, Infiltrate, Demolish, Damage, Heal, SupportPower

mods/ts/rules/nod-vehicles.yaml

@@ -526,7 +526,6 @@ STNK:
 		CloakDelay: 90
 		CloakSound: cloak5.aud
 		UncloakSound: cloak5.aud
-		IsPlayerPalette: true
 		UncloakOn: Attack, Unload, Infiltrate, Demolish, Damage, Heal
 		PauseOnCondition: cloak-force-disabled || empdisable
 		CloakType: nod-stealth

mods/ts/rules/palettes.yaml

@@ -152,10 +152,6 @@
 		BaseName: player-nobright
 		BasePalette: player-nobright
 		RemapIndex: 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
-	PaletteFromPlayerPaletteWithAlpha@cloak:
-		BaseName: cloak
-		BasePalette: player
-		Alpha: 0.55
 	PaletteFromPaletteWithAlpha@terrainalpha:
 		BasePalette: terraindecoration
 		Name: terrainalpha