add trait documentation

OpenRA.Mods.Common/Traits/Render/RenderBuilding.cs

@@ -16,6 +16,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
+	[Desc("Render trait for stationary objects that can be placed from the build palette.")]
 	public class RenderBuildingInfo : RenderSimpleInfo, Requires<BuildingInfo>, IPlaceBuildingDecoration
 	{
 		public readonly bool PauseOnLowPower = false;

OpenRA.Mods.Common/Traits/Render/RenderBuildingSilo.cs

@@ -15,6 +15,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
+	[Desc("Render trait for buildings that change the sprite according to the remaining resource storage capacity across all depots.")]
 	class RenderBuildingSiloInfo : RenderBuildingInfo
 	{
 		public override object Create(ActorInitializer init) { return new RenderBuildingSilo(init, this); }

OpenRA.Mods.Common/Traits/Render/RenderBuildingWall.cs

@@ -16,6 +16,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
+	[Desc("Render trait for actors that change sprites if neighbors with the same trait are present.")]
 	class RenderBuildingWallInfo : RenderBuildingInfo
 	{
 		public readonly string Type = "wall";

OpenRA.Mods.Common/Traits/Render/RenderSimple.cs

@@ -16,6 +16,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
+	[Desc("Basic render trait for immobile actors.")]
 	public class RenderSimpleInfo : RenderSpritesInfo, IRenderActorPreviewSpritesInfo, IQuantizeBodyOrientationInfo, Requires<IBodyOrientationInfo>
 	{
 		public readonly string Sequence = "idle";

OpenRA.Mods.Common/Traits/Render/RenderSprites.cs

@@ -23,6 +23,7 @@ namespace OpenRA.Mods.Common.Traits
 		IEnumerable<IActorPreview> RenderPreviewSprites(ActorPreviewInitializer init, RenderSpritesInfo rs, string image, int facings, PaletteReference p);
 	}
 
+	[Desc("Render trait fundament that won't work without additional With* render traits.")]
 	public class RenderSpritesInfo : IRenderActorPreviewInfo, ITraitInfo, ILegacyEditorRenderInfo
 	{
 		[Desc("The sequence name that defines the actor sprites. Defaults to the actor name.")]

OpenRA.Mods.Common/Traits/Render/RenderUnit.cs

@@ -13,6 +13,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
+	[Desc("Render trait for non-animated actors that have sprites facing into each direction.")]
 	public class RenderUnitInfo : RenderSimpleInfo, Requires<IFacingInfo>
 	{
 		public override object Create(ActorInitializer init) { return new RenderUnit(init, this); }

OpenRA.Mods.Common/Traits/Render/WithMakeAnimation.cs

@@ -17,6 +17,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
+	[Desc("Replaces the sprite during construction.")]
 	public class WithMakeAnimationInfo : ITraitInfo, Requires<BuildingInfo>, Requires<RenderBuildingInfo>
 	{
 		[Desc("Sequence name to use")]