Petra: the AI now destroy captured buildings it can't keep

This was SVN commit r16746.

binaries/data/mods/public/simulation/ai/petra/garrisonManager.js

@@ -227,15 +227,16 @@ m.GarrisonManager.prototype.registerHolder = function(gameState, holder)
 m.GarrisonManager.prototype.addDecayingStructure = function(gameState, entId)
 {
 	if (this.decayingStructures.has(entId))
-		return;
+		return true;
 	let ent = gameState.getEntityById(entId);
 	// keep only useful buildings for defense
 	if (!ent || (!ent.hasClass("Barracks") && !ent.hasDefensiveFire()))
-		return;
+		return false;
 	if (!ent.territoryDecayRate() || !ent.garrisonRegenRate())
-		return;
+		return false;
 	let gmin = Math.ceil((ent.territoryDecayRate() - ent.defaultRegenRate()) / ent.garrisonRegenRate());
 	this.decayingStructures.set(entId, gmin);
+	return true;
 };
 
 m.GarrisonManager.prototype.removeDecayingStructure = function(entId)

binaries/data/mods/public/simulation/ai/petra/headquarters.js

@@ -246,8 +246,15 @@ m.HQ.prototype.checkEvents = function (gameState, events, queues)
 			m.getBestBase(gameState, ent).assignEntity(gameState, ent);
 			if (ent.hasTerritoryInfluence())
 				this.updateTerritories(gameState);
-			if (ent.decaying() && ent.isGarrisonHolder())
-				this.garrisonManager.addDecayingStructure(gameState, evt.entity);
+			if (ent.decaying())
+			{
+				if (ent.isGarrisonHolder())
+					if (this.garrisonManager.addDecayingStructure(gameState, evt.entity))
+						continue
+				let capture = ent.capturePoints();
+				if (capture[PlayerID] > 0.5 * capture.reduce((a, b) => a + b))
+					ent.destroy();
+			}
 		}
 	}