prevent infantry going prone due to tib damage

OpenRA.Game/GameRules/WeaponInfo.cs

@@ -32,6 +32,7 @@ namespace OpenRA.GameRules
 		[FieldLoader.Load] public readonly int Damage = 0;									// how much (raw) damage to deal
 		[FieldLoader.Load] public readonly int Delay = 0;									// delay in ticks before dealing the damage. 0=instant (old model)
 		[FieldLoader.Load] public readonly DamageModel DamageModel = DamageModel.Normal;	// which damage model to use
+		[FieldLoader.Load] public readonly bool PreventProne = false;						// whether we should prevent prone response in infantry.
 
 		public float EffectivenessAgainst(Actor self)
 		{

OpenRA.Mods.RA/TakeCover.cs

@@ -30,7 +30,8 @@ namespace OpenRA.Mods.RA
 		public void Damaged(Actor self, AttackInfo e)
 		{
 			if (e.Damage > 0)		/* fix to allow healing via `damage` */
-				remainingProneTime = defaultProneTime;
+				if (!e.Warhead.PreventProne)
+					remainingProneTime = defaultProneTime;
 		}
 
 		public void Tick(Actor self)

mods/cnc/weapons.yaml

@@ -662,3 +662,4 @@ Tiberium:
 		Spread: 1
 		InfDeath: 4
 		Damage: 5
+		PreventProne: yes