triggers.lua

-- triggers

-- traffic collision
function courseplay:cpOnTrafficCollisionTrigger(triggerId, otherId, onEnter, onLeave, onStay, otherShapeId)
	if not self.isMotorStarted then return; end;

	--oops i found myself
	if otherId == self.rootNode then 
		return
	end;
	--ignore objects on list
	if otherId and (CpManager.trafficCollisionIgnoreList[otherId] or self.cpTrafficCollisionIgnoreList[otherId]) then 
		return;
	end;
	--whcih trigger is it ? 
	local TriggerNumber = self.cp.trafficCollisionTriggerToTriggerIndex[triggerId];
	-- print(('otherId=%d, getCollisionMask=%s, name=%q, className=%q'):format(otherId, tostring(getCollisionMask(otherId)), tostring(getName(otherId)), tostring(getClassName(otherId))));
	if onEnter or onLeave then --TODO check whether it is required to ask for this 
		if otherId == Player.rootNode then  --TODO check in Multiplayer --TODO (Jakob): g_currentMission.player.rootNode ?
			if onEnter then
				self.CPnumCollidingVehicles = self.CPnumCollidingVehicles + 1;
			elseif onLeave then
				self.CPnumCollidingVehicles = math.max(self.CPnumCollidingVehicles - 1, 0);
			end;
		else
			local vehicleOnList = false
			local OtherIdisCloser = true
			local debugMessage = "onEnter"
			if onLeave then 
				debugMessage = "onLeave"
			end

			local vehicle = g_currentMission.nodeToVehicle[otherId];
			local collisionVehicle = g_currentMission.nodeToVehicle[self.cp.collidingVehicleId];
			
			-- is this a traffic vehicle?
			local cm = getCollisionMask(otherId);
			if vehicle == nil and (bitAND(cm, 33554432) ~= 0 or getName(otherId) == "piQup") then -- if bit25 is part of the collisionMask then set new vehicle in GCM.NTV
				local pathVehicle = {}
				pathVehicle.rootNode = otherId
				pathVehicle.isCpPathvehicle = true
				pathVehicle.name = "PathVehicle"
				pathVehicle.sizeLength = 7
				pathVehicle.sizeWidth = 3
				g_currentMission.nodeToVehicle[otherId] = pathVehicle
				vehicle = pathVehicle
			end;	
						
			local isInOtherTrigger = false --is this ID in one of the other triggers?
			for i=1,4 do
				if i ~= TriggerNumber and self.cp.collidingObjects[i][otherId] then
					isInOtherTrigger = true
				end
			end
			courseplay:debug(string.format("%s:%s Trigger%d: triggered collision with %d ", nameNum(self),debugMessage,TriggerNumber,otherId), 3);
			local trafficLightDistance = 0 
			
			if collisionVehicle ~= nil and collisionVehicle.rootNode == nil then
				local x,y,z = getWorldTranslation(self.cp.collidingVehicleId)
				_,_, trafficLightDistance = worldToLocal (self.cp.DirectionNode, x,y,z)
			end
			if vehicle ~= nil and vehicle.rootNode == nil then --check traffic lights: stop or go?
				local _,transY,_ = getTranslation(otherId);
				if transY < 0 then
					OtherIdisCloser = false
					courseplay:debug(tostring(otherId)..": trafficLight: transY = "..tostring(transY)..", so it's green or Off-> go on",3)
				end
			end
			local fixDistance = 0 -- if ID.rootNode is nil set, distance fix to 25m needed for traffic lights
			if onEnter and vehicle ~= nil and vehicle.rootNode == nil then
				fixDistance = TriggerNumber * 5
				courseplay:debug(string.format("%s:	setting fix distance", nameNum(self)), 3);
			end
						
			if not isInOtherTrigger then
				--checking distance to saved and current ID
				if onEnter and self.cp.collidingVehicleId ~= nil 
						   and ((collisionVehicle ~= nil and collisionVehicle.rootNode ~= nil) or trafficLightDistance ~= 0 )
						   and ((vehicle ~= nil  and vehicle.rootNode ~= nil) or fixDistance ~= 0) then
					local distanceToOtherId = math.huge
					if fixDistance == 0 then
						distanceToOtherId= courseplay:distanceToObject(self, vehicle)
					else
						distanceToOtherId = fixDistance
					end
					local distanceToCollisionVehicle = math.huge
					if trafficLightDistance == 0 then
						distanceToCollisionVehicle = courseplay:distanceToObject(self, collisionVehicle)
					else
						distanceToCollisionVehicle = math.abs(trafficLightDistance)
					end
					
					courseplay:debug(nameNum(self)..": 	onEnter, checking Distances: new: "..tostring(distanceToOtherId).." vs. current: "..tostring(distanceToCollisionVehicle),3);
					if distanceToCollisionVehicle <= distanceToOtherId then
						OtherIdisCloser = false
						courseplay:debug(string.format('%s: 	target is not closer than existing target -> do not change "self.cp.collidingVehicleId"', nameNum(self)), 3);
					else
						courseplay:debug(string.format('%s: 	target is closer than existing target -> change "self.cp.collidingVehicleId"', nameNum(self)), 3);
					end
				end
				--checking CollisionIgnoreList
				if onEnter and vehicle ~= nil and OtherIdisCloser then
					courseplay:debug(string.format("%s: 	onEnter, checking CollisionIgnoreList", nameNum(self)), 3);
					if CpManager.trafficCollisionIgnoreList[otherId] then
							courseplay:debug(string.format("%s:		%q is on global list", nameNum(self), tostring(vehicle.name)), 3);
							vehicleOnList = true
					else
						for a,b in pairs (self.cpTrafficCollisionIgnoreList) do
							local veh1 = g_currentMission.nodeToVehicle[a];
							local veh1Name = veh1.name;
							if not veh1Name and veh1.cp then veh1Name = veh1.cp.xmlFileName; end;
							local veh2Name = vehicle.name;
							if not veh2Name and vehicle.cp then veh2Name = vehicle.cp.xmlFileName; end;
							courseplay:debug(string.format("%s:		%s vs %q", nameNum(self), tostring(veh1Name), tostring(veh2Name)), 3);
							if g_currentMission.nodeToVehicle[a].id == vehicle.id then
								courseplay:debug(string.format("%s:		%q is on local list", nameNum(self), tostring(veh2Name)), 3);
								vehicleOnList = true
								break
							end
						end
					end
				end
			else
				if onEnter then
					OtherIdisCloser = false
					courseplay:debug(string.format("%s: 	onEnter: %d is in other trigger -> ignore", nameNum(self),otherId ), 3);
				else
					courseplay:debug(string.format("%s: 	onLeave: %d is in other trigger -> ignore", nameNum(self),otherId), 3);
				end
			end
			if vehicle ~= nil and self.trafficCollisionIgnoreList[otherId] == nil and vehicleOnList == false then
				if onEnter and OtherIdisCloser and not self.cp.collidingObjects.all[otherId] then
					self.cp.collidingObjects.all[otherId] = true
					self.cp.collidingVehicleId = otherId
					--self.CPnumCollidingVehicles = self.CPnumCollidingVehicles + 1;
					courseplay:debug(string.format('%s: 	%q is not on list, setting "self.cp.collidingVehicleId"', nameNum(self), tostring(vehicle.name)), 3);
				elseif onLeave and not isInOtherTrigger then
					self.cp.collidingObjects.all[otherId] = nil
					if self.cp.collidingVehicleId == otherId then
						if TriggerNumber ~= 4 then
							--self.CPnumCollidingVehicles = math.max(self.CPnumCollidingVehicles - 1, 0);
							--if self.CPnumCollidingVehicles == 0 then
								--self.cp.collidingVehicleId = nil
							courseplay:deleteCollisionVehicle(self);
							--end
							AIVehicleUtil.setCollisionDirection(self.cp.trafficCollisionTriggers[1], self.cp.trafficCollisionTriggers[2], 0, -1);
							courseplay:debug(string.format('%s: 	onLeave - setting "self.cp.collidingVehicleId" to nil', nameNum(self)), 3);
						else
							courseplay:debug(string.format('%s: 	onLeave - keep "self.CPnumCollidingVehicles"', nameNum(self)), 3);
						end
					else
						courseplay:debug(string.format('%s: 	onLeave - not valid for "self.cp.collidingVehicleId" keep it', nameNum(self)), 3);
					end
				else
					--courseplay:debug(string.format('%s: 	no registration:onEnter:%s, OtherIdisCloser:%s, registered: %s ,isInOtherTrigger: %s', nameNum(self),tostring(onEnter),tostring(OtherIdisCloser),tostring(self.cp.collidingObjects.all[otherId]),tostring(isInOtherTrigger)), 3);
				end;
			elseif not isInOtherTrigger then
				courseplay:debug(string.format('%s: 	Vehicle is nil - do nothing', nameNum(self)), 3);
			end
			
			if  onEnter then
				self.cp.collidingObjects[TriggerNumber][otherId] = true
			else
				self.cp.collidingObjects[TriggerNumber][otherId] = nil
			end	
		end;
	end;
end

-- FIND TRIGGERS
function courseplay:doTriggerRaycasts(vehicle, triggerType, direction, sides, x, y, z, nx, ny, nz, distance)
	local numIntendedRaycasts = sides and 3 or 1;
	if vehicle.cp.hasRunRaycastThisLoop[triggerType] and vehicle.cp.hasRunRaycastThisLoop[triggerType] >= numIntendedRaycasts then
		return;
	end;

	local callBack, debugChannel, r, g, b;
	if triggerType == 'tipTrigger' then
		callBack = 'findTipTriggerCallback';
		debugChannel = 1;
		r, g, b = 1, 0, 1;
	elseif triggerType == 'specialTrigger' then
		callBack = 'findSpecialTriggerCallback';
		debugChannel = 19;
		r, g, b = 0, 1, 0.6;
	else
		return;
	end;

	distance = distance or 10;
	direction = direction or 'fwd';

	--------------------------------------------------

	courseplay:doSingleRaycast(vehicle, triggerType, direction, callBack, x, y, z, nx, ny, nz, distance, debugChannel, r, g, b, 1);

	if sides and vehicle.cp.tipRefOffset ~= 0 then
		if (triggerType == 'tipTrigger' and vehicle.cp.currentTipTrigger == nil) or (triggerType == 'specialTrigger' and vehicle.cp.fillTrigger == nil) then
			x, _, z = localToWorld(vehicle.aiTrafficCollisionTrigger, vehicle.cp.tipRefOffset, 0, 0);
			courseplay:doSingleRaycast(vehicle, triggerType, direction, callBack, x, y, z, nx, ny, nz, distance, debugChannel, r, g, b, 2);
		end;

		if (triggerType == 'tipTrigger' and vehicle.cp.currentTipTrigger == nil) or (triggerType == 'specialTrigger' and vehicle.cp.fillTrigger == nil) then
			x, _, z = localToWorld(vehicle.aiTrafficCollisionTrigger, -vehicle.cp.tipRefOffset, 0, 0);
			courseplay:doSingleRaycast(vehicle, triggerType, direction, callBack, x, y, z, nx, ny, nz, distance, debugChannel, r, g, b, 3);
		end;
	end;

	vehicle.cp.hasRunRaycastThisLoop[triggerType] = numIntendedRaycasts;
end;

function courseplay:doSingleRaycast(vehicle, triggerType, direction, callBack, x, y, z, nx, ny, nz, distance, debugChannel, r, g, b, raycastNumber)
	if courseplay.debugChannels[debugChannel] then
		courseplay:debug(('%s: call %s raycast (%s) #%d'):format(nameNum(vehicle), triggerType, direction, raycastNumber), debugChannel);
	end;
	local num = raycastAll(x,y,z, nx,ny,nz, callBack, distance, vehicle);
	if courseplay.debugChannels[debugChannel] then
		if num > 0 then
			--courseplay:debug(('%s: %s raycast (%s) #%d: object found'):format(nameNum(vehicle), triggerType, direction, raycastNumber), debugChannel);
		end;
		drawDebugLine(x,y,z, r,g,b, x+(nx*distance),y+(ny*distance),z+(nz*distance), r,g,b);
	end;
end;

-- FIND TIP TRIGGER CALLBACK
function courseplay:findTipTriggerCallback(transformId, x, y, z, distance)
	if CpManager.confirmedNoneTipTriggers[transformId] == true then
		return true;
	end;

	if courseplay.debugChannels[1] then
		drawDebugPoint( x, y, z, 1, 1, 0, 1);
	end;

	local name = tostring(getName(transformId));

	-- TIPTRIGGERS
	local tipTriggers, tipTriggersCount = courseplay.triggers.tipTriggers, courseplay.triggers.tipTriggersCount
	courseplay:debug(('%s: found %s'):format(nameNum(self), name), 1);

	if self.cp.workTools[1] ~= nil and tipTriggers ~= nil and tipTriggersCount > 0 then
		courseplay:debug(('%s: transformId=%s: %s'):format(nameNum(self), tostring(transformId), name), 1);
		local fruitType = self.cp.workTools[1].currentFillType;
		if fruitType == nil or fruitType == 0 then
			for i=2,#(self.cp.workTools) do
				fruitType = self.cp.workTools[i].currentFillType;
				if fruitType ~= nil and fruitType ~= 0 then 
					break
				end
			end
		end
		if transformId ~= nil then
			local trigger = tipTriggers[transformId];

			if trigger ~= nil then
				if trigger.bunkerSilo ~= nil and trigger.bunkerSilo.state ~= 0 then 
					courseplay:debug(('%s: bunkerSilo.state=%d -> ignoring trigger'):format(nameNum(self), trigger.bunkerSilo.state), 1);
					return true
				end
				if self.cp.hasShield and trigger.bunkerSilo == nil then
					courseplay:debug(nameNum(self) .. ": has silage shield and trigger is not BGA -> ignoring trigger", 1);
					return true
				end

				local triggerId = trigger.triggerId;
				if triggerId == nil then
					triggerId = trigger.tipTriggerId;
				end;
				courseplay:debug(string.format("%s: transformId %s is in tipTriggers (#%s) (triggerId=%s)", nameNum(self), tostring(transformId), tostring(tipTriggersCount), tostring(triggerId)), 1);

				if trigger.isAlternativeTipTrigger then
					--fruitType = FruitUtil.fillTypeToFruitType[fruitType];
				end;
				
				if trigger.isFermentingSiloTrigger then
					trigger = trigger.TipTrigger
				end

				if trigger.acceptedFillTypes ~= nil and trigger.acceptedFillTypes[fruitType] then
					courseplay:debug(string.format("%s: trigger %s accepts fruit (%s)", nameNum(self), tostring(triggerId), tostring(fruitType)), 1);
					local fillTypeIsValid = true;
					if trigger.isAlternativeTipTrigger then
						fillTypeIsValid = trigger.currentFillType == 0 or trigger.currentFillType == fruitType;
						if trigger.fillLevel ~= nil and trigger.capacity ~= nil and trigger.fillLevel >= trigger.capacity then
							courseplay:debug(string.format("%s: AlternativeTipTrigger %s is full ", nameNum(self), tostring(triggerId)), 1);
							return true
						end;
						courseplay:debug(string.format("%s: AlternativeTipTrigger %s's current fruit == trailer fruit = %s", nameNum(self), tostring(triggerId), tostring(fillTypeIsValid)), 1);
					elseif trigger.isPlaceableHeapTrigger then
						fillTypeIsValid = trigger.fillType == 0 or trigger.fillType == fruitType;
						courseplay:debug(string.format("%s: PlaceableHeapTrigger %s's current fruit == trailer fruit = %s", nameNum(self), tostring(triggerId), tostring(fillTypeIsValid)), 1);
					end;

					if fillTypeIsValid then
						self.cp.currentTipTrigger = trigger;
						self.cp.currentTipTrigger.cpActualLength = courseplay:distanceToObject(self, trigger)*2 
						courseplay:debug(string.format("%s: self.cp.currentTipTrigger = %s , cpActualLength = %s", nameNum(self), tostring(triggerId),tostring(self.cp.currentTipTrigger.cpActualLength)), 1);
						return false
					end;
				elseif trigger.acceptedFillTypes ~= nil then
					if trigger.isAlternativeTipTrigger then
						courseplay:debug(string.format("%s: trigger %s (AlternativeTipTrigger) does not accept fruit (%s)", nameNum(self), tostring(triggerId), tostring(fruitType)), 1);
					else
						courseplay:debug(string.format("%s: trigger %s does not accept fruit (%s)", nameNum(self), tostring(triggerId), tostring(fruitType)), 1);
					end;
					courseplay:debug(string.format("%s: trigger %s does only accept fruit:", nameNum(self), tostring(triggerId)), 1);
					if courseplay.debugChannels[1] then
						courseplay:printTipTriggersFruits(trigger)
					end
				else
					courseplay:debug(string.format("%s: trigger %s does not have acceptedFillTypes (fruitType=%s)", nameNum(self), tostring(triggerId), tostring(fruitType)), 1);
				end;
				return true;
			end;
		end;
	end;

	CpManager.confirmedNoneTipTriggers[transformId] = true;
	CpManager.confirmedNoneTipTriggersCounter = CpManager.confirmedNoneTipTriggersCounter + 1;
	courseplay:debug(('%s: added %s to trigger blacklist -> total=%d'):format(nameNum(self), name, CpManager.confirmedNoneTipTriggersCounter), 1);

	return true;
end;

-- FIND SPECIAL TRIGGER CALLBACK
function courseplay:findSpecialTriggerCallback(transformId, x, y, z, distance)
	if CpManager.confirmedNoneSpecialTriggers[transformId] then
		return true;
	end;

	if courseplay.debugChannels[19] then
		drawDebugPoint(x, y, z, 1, 1, 0, 1);
	end;

	local name = tostring(getName(transformId));

	-- OTHER TRIGGERS
	if courseplay.triggers.allNonUpdateables[transformId] then
		local trigger = courseplay.triggers.allNonUpdateables[transformId];
		courseplay:debug(('%s: transformId=%s: %s is allNonUpdateables'):format(nameNum(self), tostring(transformId), name), 19);

		if trigger.isWeightStation and courseplay:canUseWeightStation(self) then
			self.cp.fillTrigger = transformId;
			courseplay:debug(('%s: trigger %s is valid'):format(nameNum(self), tostring(transformId)), 19);
		elseif self.cp.mode == 4 then
			if trigger.isSowingMachineFillTrigger and not self.cp.hasSowingMachine then
				return true;
			elseif trigger.isSprayerFillTrigger and not self.cp.hasSprayer then
				return true;
			end;
			self.cp.fillTrigger = transformId;
			courseplay:debug(('%s: trigger %s is valid'):format(nameNum(self), tostring(transformId)), 19);
		elseif self.cp.mode == 8 and (trigger.isSprayerFillTrigger or trigger.isLiquidManureFillTrigger or trigger.isSchweinemastLiquidManureTrigger) then
			if trigger.parentVehicle then
				local tractor = trigger.parentVehicle:getRootAttacherVehicle()
				if not (tractor and tractor.hasCourseplaySpec and tractor.cp.mode == 8 and tractor.cp.isDriving) then
					self.cp.fillTrigger = transformId;
					courseplay:debug(('%s: trigger %s is valid'):format(nameNum(self), tostring(transformId)), 19);
				else
					courseplay:debug(('%s: trigger %s is running mode8 -> refuse'):format(nameNum(self), tostring(transformId)), 19);
				end
			else
				self.cp.fillTrigger = transformId;
				courseplay:debug(('%s: trigger %s is valid'):format(nameNum(self), tostring(transformId)), 19);
			end
		elseif trigger.isGasStationTrigger or trigger.isDamageModTrigger then
			self.cp.fillTrigger = transformId;
			courseplay:debug(('%s: trigger %s is valid'):format(nameNum(self), tostring(transformId)), 19);
		end;
		return true;
	end;

	CpManager.confirmedNoneSpecialTriggers[transformId] = true;
	CpManager.confirmedNoneSpecialTriggersCounter = CpManager.confirmedNoneSpecialTriggersCounter + 1;
	courseplay:debug(('%s: added %d (%s) to trigger blacklist -> total=%d'):format(nameNum(self), transformId, name, CpManager.confirmedNoneSpecialTriggersCounter), 19);

	return true;
end;

function courseplay:updateAllTriggers()
	--RESET
	if courseplay.triggers ~= nil then
		for k,triggerGroup in pairs(courseplay.triggers) do
			triggerGroup = nil;
		end;
		courseplay.triggers = nil;
	end;
	courseplay.triggers = {
		tipTriggers = {};
		damageModTriggers = {};
		gasStationTriggers = {};
		liquidManureFillTriggers = {};
		sowingMachineFillTriggers = {};
		sprayerFillTriggers = {};
		waterTrailerFillTriggers = {};
		weightStations = {};
		allNonUpdateables = {};
		all = {};
	};
	courseplay.triggers.tipTriggersCount = 0;
	courseplay.triggers.damageModTriggersCount = 0;
	courseplay.triggers.gasStationTriggersCount = 0;
	courseplay.triggers.liquidManureFillTriggersCount = 0;
	courseplay.triggers.sowingMachineFillTriggersCount = 0;
	courseplay.triggers.sprayerFillTriggersCount = 0;
	courseplay.triggers.waterTrailerFillTriggersCount = 0;
	courseplay.triggers.weightStationsCount = 0;
	courseplay.triggers.allNonUpdateablesCount = 0;
	courseplay.triggers.allCount = 0;

	-- UPDATE
	-- nonUpdateable objects
	if g_currentMission.nonUpdateables ~= nil then
		for k,v in pairs(g_currentMission.nonUpdateables) do
			if g_currentMission.nonUpdateables[k] ~= nil then
				local trigger = g_currentMission.nonUpdateables[k];
				local triggerId = trigger.triggerId;
				if triggerId ~= nil then
					-- GasStationTriggers
					if trigger.mapHotspot and trigger.mapHotspot.name and trigger.mapHotspot.name == 'FuelStation' then
						trigger.isGasStationTrigger = true;
						courseplay:cpAddTrigger(triggerId, trigger, 'gasStation', 'nonUpdateable');

					-- SowingMachineFillTriggers
					elseif trigger.fillType and Fillable.fillTypeIntToName[trigger.fillType] == 'seeds' then
						trigger.isSowingMachineFillTrigger = true;
						courseplay:cpAddTrigger(triggerId, trigger, 'sowingMachine', 'nonUpdateable');

					-- SprayerFillTriggers
					elseif (trigger.sprayTypeDesc and trigger.sprayTypeDesc.name == 'fertilizer') or (Fillable.fillTypeIntToName[trigger.fillType] == 'fertilizer') then
						trigger.isSprayerFillTrigger = true;
						courseplay:cpAddTrigger(triggerId, trigger, 'sprayer', 'nonUpdateable');

					--[[
					-- WaterTrailerFillTriggers
					-- Note: priceScale seems to only exist with WaterTrailerFillTriggers, which in turn don't have fillTypes to check against
					elseif trigger.priceScale then
						trigger.isWaterTrailerFillTrigger = true;
						courseplay:cpAddTrigger(triggerId, trigger, 'water', 'nonUpdateable');
					--]]
					end;
				end;
			end;
		end;
	end;

	-- updateable objects
	if g_currentMission.updateables ~= nil then
		-- weight station
		if g_currentMission.WeightStation ~= nil and #g_currentMission.WeightStation > 0 then
			for t,object in pairs(g_currentMission.updateables) do
				if object.isWeightStation or (object.stationId and object.stationId ~= 0 and g_currentMission.WeightStation[object.stationId]) and object.isEnabled and object.requestTimer and object.triggerId then
					local station = g_currentMission.WeightStation[object.stationId];
					object.isWeightStation = true;
					station.isWeightStation = true;
					courseplay:cpAddTrigger(object.triggerId, station, 'weightStation', 'nonUpdateable');
				end;
			end;
			-- print(tableShow(courseplay.triggers.weightStations, 'courseplay.triggers.weightStations'));
		end;
	end;

	-- onCreate objects
	if g_currentMission.onCreateLoadedObjects ~= nil then
		for k, trigger in pairs(g_currentMission.onCreateLoadedObjects) do
			local triggerId = trigger.triggerId;
			-- ManureLager
			if triggerId ~= nil then
				if trigger.ManureLagerDirtyFlag or Utils.endsWith(trigger.className, 'ManureLager') then
					trigger.isManureLager = true;
					trigger.isLiquidManureFillTrigger = true;
					courseplay:cpAddTrigger(triggerId, trigger, 'liquidManure', 'nonUpdateable');
				end;

			-- Pigs [marhu]
			elseif trigger.numSchweine ~= nil and trigger.liquidManureSiloTrigger ~= nil and trigger.liquidManureSiloTrigger.triggerId ~= nil then
				triggerId = trigger.liquidManureSiloTrigger.triggerId;
				trigger.isSchweinemastLiquidManureTrigger = true;
				trigger.isLiquidManureFillTrigger = true;
				courseplay:cpAddTrigger(triggerId, trigger, 'liquidManure', 'nonUpdateable');
			end;
		end;
	end;

	-- placeables objects
	if g_currentMission.placeables ~= nil then
		--print(tableShow(g_currentMission.placeables, 'g_currentMission.placeables'));
		for xml, placeable in pairs(g_currentMission.placeables) do
			for k, trigger in pairs(placeable) do
				
				-- PlaceableHeap
				if Utils.endsWith(xml, 'placeableheap.xml') and courseplay:isValidTipTrigger(trigger) and Utils.endsWith(trigger.className, 'PlaceableHeap') then
					trigger.isPlaceableHeapTrigger = true;
					local triggerId = trigger.tipTriggerId;
					if triggerId ~= nil then
						courseplay:cpAddTrigger(triggerId, trigger, 'tipTrigger');
					end;
				--	FermentingSilo
				elseif (Utils.endsWith(xml, 'ermentingsilo_low.xml') or Utils.endsWith(xml, 'ermentingsilo_high.xml')) and trigger.silagePerHour ~= nil then
					trigger.isFermentingSiloTrigger = true;
					local triggerId = trigger.TipTrigger.triggerId;
					if triggerId ~= nil then
						courseplay:cpAddTrigger(triggerId, trigger, 'tipTrigger');
					end;

				-- SowingMachineFillTriggers (placeable)
				elseif trigger.SowingMachineFillTriggerId then
					local data = {
						triggerId = trigger.SowingMachineFillTriggerId;
						nodeId = trigger.nodeId;
						isSowingMachineFillTrigger = true;
						isSowingMachineFillTriggerPlaceable = true;
					};
					courseplay:cpAddTrigger(data.triggerId, data, 'sowingMachine', 'nonUpdateable');

				-- SprayerFillTriggers (placeable)
				elseif trigger.SprayerFillTriggerId then
					local data = {
						triggerId = trigger.SprayerFillTriggerId;
						nodeId = trigger.nodeId;
						isSprayerFillTrigger = true;
						isSprayerFillTriggerPlaceable = true;
					};
					courseplay:cpAddTrigger(data.triggerId, data, 'sprayer', 'nonUpdateable');

				-- DamageMod (placeable)
				elseif trigger.customEnvironment == 'DamageMod' or Utils.endsWith(xml, 'garage.xml') then
					local data = {
						triggerId = trigger.triggerId;
						nodeId = trigger.nodeId;
						isDamageModTrigger = true;
						isDamageModTriggerPlaceable = true;
					};
					courseplay:cpAddTrigger(trigger.triggerId, data, 'damageMod', 'nonUpdateable');

				-- mixing station (placeable)
				elseif Utils.endsWith(xml, 'mischstation.xml') then
					for i,triggerData in pairs(trigger.TipTriggers) do
						local triggerId = triggerData.triggerId;
						if triggerId then
							triggerData.isMixingStationTrigger = true;
							courseplay:cpAddTrigger(triggerId, triggerData, 'tipTrigger');
						end;
					end;

				-- BioHeatPlant / WoodChip storage tipTrigger (Forest Mod) (placeable)
				elseif trigger.isStorageTipTrigger and trigger.acceptedFillType ~= nil and Fillable.fillTypeNameToInt.woodChip ~= nil and trigger.acceptedFillType == Fillable.fillTypeNameToInt.woodChip and trigger.triggerId ~= nil then
					courseplay:cpAddTrigger(trigger.triggerId, trigger, 'tipTrigger');
				
				-- manureLager (placeable)
				elseif trigger.ManureLagerPlaceableDirtyFlag or Utils.endsWith(xml, 'placeablemanurelager.xml') then
					trigger.isManureLager = true;
					trigger.isLiquidManureFillTrigger = true;
					local triggerId = trigger.manureTrigger
					courseplay:cpAddTrigger(triggerId, trigger, 'liquidManure', 'nonUpdateable');
				end;
			end;
		end
	end;

	-- UPK tipTriggers
	if g_upkTipTrigger then
		for i,trigger in ipairs(g_upkTipTrigger) do
			local triggerId = trigger.triggerId;
			if triggerId and trigger.isEnabled and trigger.type == 'tiptrigger' then
				trigger.isUpkTipTrigger = true;
				courseplay:cpAddTrigger(triggerId, trigger, 'tipTrigger');
			end;
		end;
	end;

	-- tipTriggers objects
	if g_currentMission.tipTriggers ~= nil then
		for k, trigger in pairs(g_currentMission.tipTriggers) do
			
			-- LiquidManureSiloTriggers [BGA]
			if trigger.bga and trigger.bga.liquidManureSiloTrigger then
				local t = trigger.bga.liquidManureSiloTrigger;
				local triggerId = t.triggerId;
				t.isLiquidManureFillTrigger = true;
				t.isBGAliquidManureFillTrigger = true;
				courseplay:cpAddTrigger(triggerId, t, 'liquidManure', 'nonUpdateable');

			-- LiquidManureSiloTriggers [Cows]
			elseif trigger.animalHusbandry and trigger.animalHusbandry.liquidManureTrigger then
				local t = trigger.animalHusbandry.liquidManureTrigger;
				local triggerId = t.triggerId;
				t.isLiquidManureFillTrigger = true;
				t.isCowsLiquidManureFillTrigger = true;
				courseplay:cpAddTrigger(triggerId, t, 'liquidManure', 'nonUpdateable');

				-- check corresponding feeding tipTriggers
				if t.fillLevelObject and t.fillLevelObject.tipTriggers then
					for i,subTrigger in pairs(t.fillLevelObject.tipTriggers) do
						local triggerId = subTrigger.triggerId;
						if triggerId and subTrigger.acceptedFillTypes then
							courseplay:cpAddTrigger(triggerId, subTrigger, 'tipTrigger');
						end;
					end;
				end;
			-- Regular and Extended tipTriggers
			elseif courseplay:isValidTipTrigger(trigger) then
				local triggerId = trigger.triggerId;
				-- Extended tipTriggers (AlternativeTipTrigger)
				if trigger.isExtendedTrigger then
					trigger.isAlternativeTipTrigger = Utils.endsWith(trigger.className, 'ExtendedTipTrigger');
				end;
				if triggerId ~= nil then
					courseplay:cpAddTrigger(triggerId, trigger, 'tipTrigger');
				end;
			end;
		end
	end;
	
	if courseplay.liquidManureOverloaders ~= nil then
		for rootNode, vehicle in pairs(courseplay.liquidManureOverloaders) do
			local trigger = vehicle.unloadTrigger
			local triggerId = trigger.triggerId
			trigger.isLiquidManureFillTrigger = true;
			trigger.isLiquidManureOverloaderFillTrigger = true;
			trigger.parentVehicle = vehicle
			courseplay:cpAddTrigger(triggerId, trigger, 'liquidManure', 'nonUpdateable');
		end
	end
end;


function courseplay:cpAddTrigger(triggerId, trigger, triggerType, groupType)
	--courseplay:debug(('%s: courseplay:cpAddTrigger: TriggerId: %s,trigger: %s, triggerType: %s,groupType: %s'):format(nameNum(self), tostring(triggerId), tostring(trigger), tostring(triggerType), tostring(groupType)), 1);
	local t = courseplay.triggers;
	if t.all[triggerId] ~= nil then return; end;

	t.all[triggerId] = trigger;
	t.allCount = t.allCount + 1;

	if groupType then
		if groupType == 'nonUpdateable' then
			t.allNonUpdateables[triggerId] = trigger;
			t.allNonUpdateablesCount = t.allNonUpdateablesCount + 1;
		end;
	end;

	-- tipTriggers
	if triggerType == 'tipTrigger' then
		t.tipTriggers[triggerId] = trigger;
		t.tipTriggersCount = t.tipTriggersCount + 1;

	-- other triggers
	elseif triggerType == 'damageMod' then
		t.damageModTriggers[triggerId] = trigger;
		t.damageModTriggersCount = t.damageModTriggersCount + 1;
	elseif triggerType == 'gasStation' then
		t.gasStationTriggers[triggerId] = trigger;
		t.gasStationTriggersCount = t.gasStationTriggersCount + 1;
	elseif triggerType == 'liquidManure' then
		t.liquidManureFillTriggers[triggerId] = trigger;
		t.liquidManureFillTriggersCount = t.liquidManureFillTriggersCount + 1;
	elseif triggerType == 'sowingMachine' then
		t.sowingMachineFillTriggers[triggerId] = trigger;
		t.sowingMachineFillTriggersCount = t.sowingMachineFillTriggersCount + 1;
	elseif triggerType == 'sprayer' then
		t.sprayerFillTriggers[triggerId] = trigger;
		t.sprayerFillTriggersCount = t.sprayerFillTriggersCount + 1;
	elseif triggerType == 'water' then
		t.waterTrailerFillTriggers[triggerId] = trigger;
		t.waterTrailerFillTriggersCount = t.waterTrailerFillTriggersCount + 1;
	elseif triggerType == 'weightStation' then
		t.weightStations[triggerId] = trigger;
		t.weightStationsCount = t.weightStationsCount + 1;
	end;
end;


--[[
--ALTERNATIVE APPENDING FUNCTION (when trigger is created)
local oldGasStationNew = GasStation.new;
GasStation.new = function(self, id, trailer, customMt)
	local data = {
		triggerId = id;
		isGasStationTrigger = true;
	};
	courseplay.tempTriggers.gasStationTriggers[id] = data;
	courseplay.tempTriggers.allNonUpdateables[id] = data;
	courseplay.tempTriggers.all[id] = data;
	return oldGasStationNew(self, id, trailer, customMt);
end;
--]]




function courseplay:isValidTipTrigger(trigger)
	local isValid = trigger.className and (trigger.className == "SiloTrigger" or trigger.isPlaceableHeapTrigger or trigger.isAlternativeTipTrigger or Utils.endsWith(trigger.className, "TipTrigger") or Utils.endsWith(trigger.className, "PlaceableHeap"));
	if isValid and trigger.bunkerSilo and trigger.bunkerSilo.movingPlanes == nil then
		isValid = false;
	end;
	return isValid;
end;


function courseplay:printTipTriggersFruits(trigger)
	for k,v in pairs(trigger.acceptedFillTypes) do
		print("											"..tostring(k).." : "..tostring(Fillable.fillTypeIntToName[k]))
	end
end;



--------------------------------------------------
-- Adding easy access to MultiSiloTrigger
--------------------------------------------------
local MultiSiloTrigger_TriggerCallback = function(triggerId, otherActorId, onEnter, onLeave, onStay, otherShapeId, trailer)
	local trailer = g_currentMission.objectToTrailer[trailer];
	if trailer ~= nil and trailer:allowFillType(triggerId.selectedFillType, false) and trailer.getAllowFillFromAir ~= nil and trailer:getAllowFillFromAir() then
		-- Make sure cp table is pressent in the trailer.
		if not trailer.cp then
			trailer.cp = {};
		end;

		if onEnter then
			-- Add the current MultiSiloTrigger to the cp table, for easier access.
			-- triggerId.Schnecke is only set for MischStation and that one is not an real MultiSiloTrigger and should not be used as one.
			if not trailer.cp.currentMultiSiloTrigger and not triggerId.Schnecke then
				trailer.cp.currentMultiSiloTrigger = triggerId;
				courseplay:debug(('%s: MultiSiloTrigger Added! (onEnter)'):format(nameNum(trailer)), 2);

			-- Remove the current MultiSiloTrigger here, even that it should be done in onLeave, but onLeave is never fired. (Possible a bug from Giants)
			elseif triggerId.fill == 0 and trailer.cp.currentMultiSiloTrigger ~= nil then
				trailer.cp.currentMultiSiloTrigger = nil;
				courseplay:debug(('%s: MultiSiloTrigger Removed! (onEnter)'):format(nameNum(trailer)), 2);
			end;
		elseif onLeave then
			-- Remove the current MultiSiloTrigger. (Is here in case Giants fixes the above bug))
			if triggerId.fill == 0 and trailer.cp.currentMultiSiloTrigger ~= nil then
				trailer.cp.currentMultiSiloTrigger = nil;
				courseplay:debug(('%s: MultiSiloTrigger Removed! (onLeave)'):format(nameNum(trailer)), 2);
			end;
		end;
	end;
end;
MultiSiloTrigger.triggerCallback = Utils.appendedFunction(MultiSiloTrigger.triggerCallback, MultiSiloTrigger_TriggerCallback);