Allow vineyard tools without AI markers for fieldwork

modDesc.xml

@@ -241,6 +241,7 @@ Changelog 8.1.0.3
 		<sourceFile filename="scripts/ai/controllers/CombineController.lua"/>
 		<sourceFile filename="scripts/ai/controllers/MotorController.lua"/>
 		<sourceFile filename="scripts/ai/controllers/VineCutterController.lua"/>
+		<sourceFile filename="scripts/ai/controllers/VineyardToolController.lua"/>
 		<sourceFile filename="scripts/ai/controllers/WearableController.lua"/>
 		<sourceFile filename="scripts/ai/controllers/SoilSamplerController.lua"/>
 		<sourceFile filename="scripts/ai/controllers/TrailerController.lua"/>

scripts/ai/controllers/VineyardToolController.lua

@@ -0,0 +1,15 @@
+--- Lowers and raises vineyard tools without AI markers.
+--- These are not in the AI implement list of giants, so lowering all implements
+--- at the start of the work would not turn them on.
+---@class VineyardToolController : ImplementController
+VineyardToolController = CpObject(ImplementController)
+
+function VineyardToolController:onLowering()
+    self:debug('Lowering vineyard tool without AI markers')
+    self.implement:aiImplementStartLine()
+end
+
+function VineyardToolController:onRaising()
+    self:debug('Raising vineyard tool without AI markers')
+    self.implement:aiImplementEndLine()
+end

scripts/ai/strategies/AIDriveStrategyFieldWorkCourse.lua

@@ -284,6 +284,9 @@ function AIDriveStrategyFieldWorkCourse:initializeImplementControllers(vehicle)
     self:addImplementController(vehicle, SoilSamplerController, nil, defaultDisabledStates, CpUtil.getSoilSamplerSpecName())
     self:addImplementController(vehicle, StumpCutterController, StumpCutter, defaultDisabledStates)
     self:addImplementController(vehicle, TreePlanterController, TreePlanter, {})
+    for _, tool in ipairs(AIUtil.getVineyardToolsWithoutAIMarkers(vehicle)) do
+        self:appendImplementController(VineyardToolController(vehicle, tool), {})
+    end
 
 end
 

scripts/ai/util/AIUtil.lua

@@ -759,6 +759,37 @@ function AIUtil.hasValidUniversalTrailerAttached(vehicle)
 	return spec.isAutoloadAvailable and not spec.autoloadDisabled
 end
 
+--- Is this a vineyard tool with work areas?
+--- Giants leaves out the AI markers on some of them, for example on the row spreading
+--- configuration of the Kuhn Accura 1200, as the built in helper can't work in vineyards.
+function AIUtil.isVineyardTool(object)
+	if object.getAIIsVineyardTool and object:getAIIsVineyardTool() and WorkWidthUtil.hasWorkAreas(object) then
+		return true
+	end
+	return false
+end
+
+--- Checks if a vineyard tool with work areas is attached.
+function AIUtil.hasVineyardToolAttached(vehicle)
+	for _, childVehicle in pairs(vehicle:getChildVehicles()) do
+		if AIUtil.isVineyardTool(childVehicle) then
+			return true
+		end
+	end
+	return false
+end
+
+--- Gets all vineyard tools, that are not in the AI implement list of giants, as they have no AI markers.
+function AIUtil.getVineyardToolsWithoutAIMarkers(vehicle)
+	local tools = {}
+	for _, childVehicle in pairs(vehicle:getChildVehicles()) do
+		if AIUtil.isVineyardTool(childVehicle) and not childVehicle:getCanImplementBeUsedForAI() then
+			table.insert(tools, childVehicle)
+		end
+	end
+	return tools
+end
+
 --- Checks if cutter on an trailer is attached.
 function AIUtil.hasCutterOnTrailerAttached(vehicle)
 	local trailer = AIUtil.getImplementWithSpecialization(vehicle, DynamicMountAttacher)

scripts/specializations/CpAIFieldWorker.lua

@@ -276,6 +276,8 @@ function CpAIFieldWorker:getCanStartCpFieldWork()
             AIUtil.hasImplementWithSpecialization(self, Cutter) or
             AIUtil.hasChildVehicleWithSpecialization(self, VineCutter) or
             AIUtil.hasChildVehicleWithSpecialization(self, VinePrepruner) or
+            --- Vineyard tools may come without AI markers, the giants fieldworker can't use them anyway.
+            AIUtil.hasVineyardToolAttached(self) or
             --- This also allows the use of stump cutters, that work like a mulcher.
             AIUtil.hasChildVehicleWithSpecialization(self, Plow) or
             --- A few mowers can't be used by the giants fieldworker