Add EnemyWatcher and AnnounceOnSeen to RA

mods/ra/rules/aircraft.yaml

@@ -34,6 +34,7 @@ BADR:
 	-EjectOnDeath:
 	-GpsDot:
 	RejectsOrders:
+	-AnnounceOnSeen:
 
 BADR.Bomber:
 	Inherits: ^Plane

mods/ra/rules/defaults.yaml

@@ -72,6 +72,8 @@
 	TimedUpgradeBar:
 		Upgrade: invulnerability
 	MustBeDestroyed:
+	AnnounceOnSeen:
+		Notification: EnemyUnitsApproaching
 
 ^Tank:
 	AppearsOnRadar:
@@ -157,6 +159,8 @@
 		GroundCorpsePalette:
 		WaterCorpseSequence:
 		WaterCorpsePalette:
+	AnnounceOnSeen:
+		Notification: EnemyUnitsApproaching
 
 ^Infantry:
 	AppearsOnRadar:
@@ -247,6 +251,8 @@
 		UpgradeMinEnabledLevel: 1
 	UpgradeManager:
 	MustBeDestroyed:
+	AnnounceOnSeen:
+		Notification: EnemyUnitsApproaching
 
 ^Ship:
 	AppearsOnRadar:
@@ -301,6 +307,8 @@
 		Upgrade: invulnerability
 		UpgradeMinEnabledLevel: 1
 	MustBeDestroyed:
+	AnnounceOnSeen:
+		Notification: EnemyUnitsApproaching
 
 ^Plane:
 	AppearsOnRadar:
@@ -358,6 +366,8 @@
 		Upgrade: invulnerability
 	WithShadow:
 	MustBeDestroyed:
+	AnnounceOnSeen:
+		Notification: EnemyUnitsApproaching
 
 ^Helicopter:
 	Inherits: ^Plane
@@ -366,6 +376,8 @@
 	GpsDot:
 		String: Helicopter
 	Hovers:
+	AnnounceOnSeen:
+		Notification: EnemyUnitsApproaching
 
 ^Building:
 	AppearsOnRadar:

mods/ra/rules/player.yaml

@@ -73,4 +73,5 @@ Player:
 		Name: Unrestricted
 		Prerequisites: techlevel.infonly, techlevel.low, techlevel.medium, techlevel.unrestricted
 	GlobalUpgradeManager:
+	EnemyWatcher: