Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

mods/ra/maps/fall-of-greece-2-evacuation/evacuation-AI.lua

@@ -0,0 +1,130 @@
+--[[
+   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.
+]]
+AttackGroup = { }
+SovietInfantry = { "e1", "e2" }
+SovietVehicles = { "3tnk", "3tnk", "v2rl" }
+SovietAircraftType = { "yak" }
+Yaks = { }
+AttackPaths = { AttackRight, AttackLeft }
+
+AttackGroupSizes =
+{
+	easy = 8,
+	normal = 9,
+	hard = 10
+}
+
+ProductionInterval =
+{
+	easy = DateTime.Seconds(20),
+	normal = DateTime.Seconds(10),
+	hard = DateTime.Seconds(5)
+}
+
+SendAttackGroup = function()
+	if #AttackGroup < AttackGroupSize then
+		return
+	end
+
+	local path = Utils.Random(AttackPaths)
+	Utils.Do(AttackGroup, function(unit)
+		if not unit.IsDead then
+			unit.AttackMove(path.Location)
+			Trigger.OnIdle(unit, unit.Hunt)
+		end
+	end)
+
+	AttackGroup = { }
+end
+
+ProduceInfantry = function()
+	if USSRRax.IsDead or USSRRax.Owner ~= USSR then
+		return
+	end
+
+	USSR.Build({ Utils.Random(SovietInfantry) }, function(units)
+		table.insert(AttackGroup, units[1])
+		SendAttackGroup()
+		Trigger.AfterDelay(ProductionInterval[Difficulty], ProduceInfantry)
+	end)
+end
+
+ProduceVehicles = function()
+	if USSRWarFactory.IsDead or USSRWarFactory.Owner ~= USSR then
+		return
+	end
+
+	USSR.Build({ Utils.Random(SovietVehicles) }, function(units)
+		table.insert(AttackGroup, units[1])
+		SendAttackGroup()
+		Trigger.AfterDelay(ProductionInterval[Difficulty], ProduceVehicles)
+	end)
+end
+
+ProduceAircraft = function()
+	if Airfield.IsDead or Airfield.Owner ~= USSR then
+		return
+	end
+
+	USSR.Build(SovietAircraftType, function(units)
+		local yak = units[1]
+		Yaks[#Yaks + 1] = yak
+
+		Trigger.OnKilled(yak, ProduceAircraft)
+
+		local alive = Utils.Where(Yaks, function(y) return not y.IsDead end)
+		if #alive < 2 then
+			Trigger.AfterDelay(DateTime.Seconds(ProductionInterval[Difficulty] / 2), ProduceAircraft)
+		end
+
+		InitializeAttackAircraft(yak, Allies)
+	end)
+end
+
+ParadropDelays =
+{
+	easy = { DateTime.Minutes(1), DateTime.Minutes(2) },
+	normal = { DateTime.Seconds(45), DateTime.Seconds(105) },
+	hard = { DateTime.Seconds(30), DateTime.Seconds(90) }
+}
+
+ParadropLZs = { ParaLZ1.CenterPosition, ParaLZ2.CenterPosition, ParaLZ3.CenterPosition, ParaLZ4.CenterPosition }
+
+Paradrop = function()
+	if Airfield.IsDead or Airfield.Owner ~= USSR then
+		return
+	end
+
+	local aircraft = StandardDrop.TargetParatroopers(Utils.Random(ParadropLZs))
+	Utils.Do(aircraft, function(a)
+		Trigger.OnPassengerExited(a, function(t, p)
+			IdleHunt(p)
+		end)
+	end)
+
+	Trigger.AfterDelay(Utils.RandomInteger(ParadropDelay[1], ParadropDelay[2]), Paradrop)
+end
+
+ActivateAI = function()
+	local buildings = Utils.Where(Map.ActorsInWorld, function(self) return self.Owner == USSR and self.HasProperty("StartBuildingRepairs") end)
+	Utils.Do(buildings, function(actor)
+		Trigger.OnDamaged(actor, function(building)
+			if building.Owner == USSR and building.Health < building.MaxHealth * 3/4 then
+				building.StartBuildingRepairs()
+			end
+		end)
+	end)
+
+	ParadropDelay = ParadropDelays[Difficulty]
+	AttackGroupSize = AttackGroupSizes[Difficulty]
+	Trigger.AfterDelay(DateTime.Seconds(30), ProduceInfantry)
+	Trigger.AfterDelay(DateTime.Minutes(3), ProduceVehicles)
+	Trigger.AfterDelay(DateTime.Minutes(4), Paradrop)
+	Trigger.AfterDelay(DateTime.Minutes(5), ProduceAircraft)
+end