--
-- Spirit600SXL
-- Specialization for Spirit600SXL
--
-- @author  	(Flagsystems) Manuel Leithner
-- @version 	v1.0
-- @date  		13/05/11
-- @history:	v1.0 - Initial version
--

Spirit600SXL = {};

function Spirit600SXL.prerequisitesPresent(specializations)
    return true;
end;

function Spirit600SXL:load(xmlFile)

	self.setLowerDiscs = SpecializationUtil.callSpecializationsFunction("setLowerDiscs");
	self.setLowerMarker = SpecializationUtil.callSpecializationsFunction("setLowerMarker");
	self.getIsAreaActive = Utils.overwrittenFunction(self.getIsAreaActive, Spirit600SXL.getIsAreaActive);
	
	self.isNextMarkerLeft = true;
	
	self.marker = {};
	self.marker.left = {};
	self.marker.left.isDown = false;
	self.marker.left.index = Utils.indexToObject(self.components, getXMLString(xmlFile, "vehicle.markers.left#index"));
	self.marker.left.area = self.cuttingAreas[getXMLInt(xmlFile, "vehicle.markers.left#area")];
	self.marker.left.activation = Utils.degToRad(getXMLFloat(xmlFile, "vehicle.markers.left#activation"));
	
	self.marker.right = {};
	self.marker.right.isDown = false;
	self.marker.right.index = Utils.indexToObject(self.components, getXMLString(xmlFile, "vehicle.markers.right#index"));
	self.marker.right.area = self.cuttingAreas[getXMLInt(xmlFile, "vehicle.markers.right#area")];
	self.marker.right.activation = Utils.degToRad(getXMLFloat(xmlFile, "vehicle.markers.right#activation"));
	
	self.marker.back = {};
	self.marker.back.isDown = false;
	self.marker.back.index = Utils.indexToObject(self.components, getXMLString(xmlFile, "vehicle.markers.back#index"));
	self.marker.back.area1 = self.cuttingAreas[getXMLInt(xmlFile, "vehicle.markers.back#area1")];
	self.marker.back.area2 = self.cuttingAreas[getXMLInt(xmlFile, "vehicle.markers.back#area2")];
	self.marker.back.activation = Utils.degToRad(getXMLFloat(xmlFile, "vehicle.markers.back#activation"));
	
	self.thresholds = {};
	self.thresholds.discIndex = Utils.indexToObject(self.components, getXMLString(xmlFile, "vehicle.thresholds#discIndex"));
	self.thresholds.discActivation = Utils.degToRad(getXMLFloat(xmlFile, "vehicle.thresholds#discActivation"));
	self.thresholds.seedingIndex = Utils.indexToObject(self.components, getXMLString(xmlFile, "vehicle.thresholds#seedingIndex"));
	self.thresholds.seedingActivation = Utils.degToRad(getXMLFloat(xmlFile, "vehicle.thresholds#seedingActivation"));
		
	self.aiTerrainDetailChannel1 =  g_currentMission.cultivatorChannel;	
    self.aiTerrainDetailChannel2 = g_currentMission.ploughChannel;  ---1; activate when ai doesn't work anymore
	
	self.groundReferenceNodeBackup = self.groundReferenceNode;
	self.activeAIHelperTime = 0;
	self.foldWarningTime = 0;
	self.activateMarkerTime = 0;
	self.frontMarkerDistanceScaleBackup = nil;
	self.attacherVehicleBackup = nil;
	self.areDiscsLowered = false;
	self.doAIActivationCheck = false;
	
	self.contactReportNodes = {};
end;

function Spirit600SXL:delete()
    Utils.deleteParticleSystem(self.groundParticleSystems);
    
    for _, entry in ipairs(self.newGroundParticleSystems) do
        Utils.deleteParticleSystem(entry.ps);
    end;
	
	self.groundParticleSystems = {};
	self.newGroundParticleSystems = {};
end;

function Spirit600SXL:readStream(streamId, connection)
    self:setLowerDiscs(streamReadBool(streamId), true);
	self:setLowerMarker(1, streamReadBool(streamId), true);
	self:setLowerMarker(2, streamReadBool(streamId), true);
	self:setLowerMarker(3, streamReadBool(streamId), true);
end;

function Spirit600SXL:writeStream(streamId, connection)
	streamWriteBool(streamId, self.areDiscsLowered);
	streamWriteBool(streamId, self.marker.left.isDown);
	streamWriteBool(streamId, self.marker.right.isDown);
	streamWriteBool(streamId, self.marker.back.isDown);
end;

function Spirit600SXL:mouseEvent(posX, posY, isDown, isUp, button)
end;

function Spirit600SXL:keyEvent(unicode, sym, modifier, isDown)
end;

function Spirit600SXL:update(dt)
	if self:getIsActiveForInput() then
		if InputBinding.hasEvent(InputBinding.LOWER_IMPLEMENT) or InputBinding.hasEvent(InputBinding.FASTSEEDER_LOWER_LEFTMARKER) or InputBinding.hasEvent(InputBinding.FASTSEEDER_LOWER_RIGHTMARKER) or InputBinding.hasEvent(InputBinding.FASTSEEDER_LOWER_BACKMARKER) then
			if self.foldAnimTime == nil or (self.foldAnimTime <= 1.0 and self.foldAnimTime >= 0.8) then
				if not self.isAIActive then
					if InputBinding.hasEvent(InputBinding.LOWER_IMPLEMENT) then
						self:setLowerDiscs(not self.areDiscsLowered);
					end;
					if InputBinding.hasEvent(InputBinding.FASTSEEDER_LOWER_LEFTMARKER) then
						self:setLowerMarker(1, not self.marker.left.isDown);
					end;
					if InputBinding.hasEvent(InputBinding.FASTSEEDER_LOWER_RIGHTMARKER) then
						self:setLowerMarker(2, not self.marker.right.isDown);
					end;
					if InputBinding.hasEvent(InputBinding.FASTSEEDER_LOWER_BACKMARKER) then
						self:setLowerMarker(3, not self.marker.back.isDown);
					end;
				else
					self.activeAIHelperTime = self.time + 2000;
				end;
			else
				self.foldWarningTime = self.time + 2000;
			end;
		end;
	end;
end;

function Spirit600SXL:updateTick(dt)
	if self:getIsActive() then
		local x,_,_ = getRotation(self.thresholds.discIndex);
		if x > self.thresholds.discActivation then
			self.groundReferenceNode = self.groundReferenceNodeBackup;
			self.checkSpeedLimit = true;
		else
			self.groundReferenceNode = nil;
			self.checkSpeedLimit = false;
		end;
		
		if self.doAIActivationCheck then			
			_,ly,_ = getRotation(self.marker.left.index);
			_,ry,_ = getRotation(self.marker.right.index);
			local leftActive = ly < self.marker.left.activation;
			local rightActive = ry > self.marker.right.activation;
			
			if not ((leftActive and not rightActive) or (not leftActive and rightActive)) then
				if self.attacherVehicle ~= nil then
					self.attacherVehicle:stopAITractor();
					self.activateMarkerTime = self.time + 2000;
				end;
			else
				self:setLowerMarker(3, false, true);
				self:setLowerDiscs(true, true);
			end;
			self.doAIActivationCheck = false;
		end;
		
		for _, part in pairs(self.movingParts) do
			Cylindered.updateMovingPart(self, part);
		end;
	end;
end;

function Spirit600SXL:setFoldDirection(direction, noEventSend)
	if direction == -1 then
		local animTime = nil;
		if self:getIsAnimationPlaying("middleFold") then
			animTime = self:getAnimationTime("middleFold");
		end;
		self:playAnimation("middleFold", -1, animTime, true);
		self:setLowerMarker(1, false, true);
		self:setLowerMarker(2, false, true);
		self:setLowerMarker(3, false, true);	
	end;
end;

function Spirit600SXL:draw()
	if self.areDiscsLowered then
		g_currentMission:addHelpButtonText(string.format(g_i18n:getText("DISCS_LIFT"), self.typeDesc), InputBinding.LOWER_IMPLEMENT);        
    else
		g_currentMission:addHelpButtonText(string.format(g_i18n:getText("DISCS_LOWER"), self.typeDesc), InputBinding.LOWER_IMPLEMENT);	
    end;
	
    local leftMarkerKey = InputBinding.getKeyNamesOfDigitalAction(InputBinding.FASTSEEDER_LOWER_LEFTMARKER);
	local rightMarkerKey = InputBinding.getKeyNamesOfDigitalAction(InputBinding.FASTSEEDER_LOWER_RIGHTMARKER);
	local backMarkerKey = InputBinding.getKeyNamesOfDigitalAction(InputBinding.FASTSEEDER_LOWER_BACKMARKER);
	
    g_currentMission:addExtraPrintText(string.format(g_i18n:getText("CONTROL_MARKERS"), leftMarkerKey .. "/" .. rightMarkerKey .. "/" .. backMarkerKey));
	
	if self.activeAIHelperTime > self.time then
		g_currentMission:addWarning(g_i18n:getText("AI_TRACTOR_WARNING"), 0.018, 0.033);
	end;
	
	local foldingKey = InputBinding.getKeyNamesOfDigitalAction(InputBinding.IMPLEMENT_EXTRA2);
	if self.foldWarningTime > self.time then
		g_currentMission:addWarning(string.format(g_i18n:getText("UNFOLD_FIRST"), foldingKey), 0.018, 0.033);
	end;
	
	if self.activateMarkerTime > self.time then
		g_currentMission:addWarning(string.format(g_i18n:getText("UNFOLD_MARKER"), leftMarkerKey .. "/" .. rightMarkerKey), 0.018, 0.033);
	end;
end;

function Spirit600SXL:setLowerDiscs(areDown, noEventSend)
    SetLowerDiscsEvent.sendEvent(self, areDown, noEventSend);
	self.areDiscsLowered = areDown;

	local animTime = nil;
	local animation = "workingFold";
	
	if areDown then
		animation = "workingUnfold";
	end;
	
	if self:getIsAnimationPlaying(animation) then
		animTime = self:getAnimationTime(animation);
	end;
	self:playAnimation(animation, 1, animTime, true);
	
	self.doCheckForActivation = true;
end;


function Spirit600SXL:setLowerMarker(markerId, isDown, noEventSend)
	SetLowerMarkerEvent.sendEvent(self, markerId, isDown, noEventSend);
	
	local animTime = nil;
	local direction = 1;
	if not isDown then
		direction = -1;
	end;
	
	local animation = nil;	
	if markerId == 1 then
		animation = "leftMarkerFold";
		self.marker.left.isDown = isDown;
	elseif markerId == 2 then
		animation = "rightMarkerFold";
		self.marker.right.isDown = isDown;
	elseif markerId == 3 then
		animation = "backMarkerFold";
		self.marker.back.isDown = isDown;
	end;
	
	if self:getIsAnimationPlaying(animation) then
		animTime = self:getAnimationTime(animation);
	end;
	self:playAnimation(animation, direction, animTime, true);
end;


function Spirit600SXL:getIsAreaActive(superFunc, area)

	local isActive = false;
	if area == self.marker.left.area then
		_,y,_ = getRotation(self.marker.left.index);
		isActive = y < self.marker.left.activation;
	elseif area == self.marker.right.area then
		_,y,_ = getRotation(self.marker.right.index);
		isActive = y > self.marker.right.activation;
	elseif area == self.marker.back.area1 or area == self.marker.back.area2 then
		x,_,_ = getRotation(self.marker.back.index);
		isActive = x < self.marker.back.activation;
	else
		if area.cultivator then
			local x,_,_ = getRotation(self.thresholds.discIndex);
			isActive = x > self.thresholds.discActivation;
		else
			local x,_,_ = getRotation(self.thresholds.seedingIndex);
			isActive = x < self.thresholds.seedingActivation;
		end;
	end;

    if superFunc ~= nil then
        return superFunc(self, area) and isActive;
    end;
	return isActive;
end;

function Spirit600SXL:aiTurnOff()
	if not self.doAIActivationCheck then
		self:setLowerMarker(1, false, true);
		self:setLowerMarker(2, false, true);
		self:setLowerMarker(3, false, true);
		self:setLowerDiscs(false, true);
	end;
	self.isAIActive = false;
end;

function Spirit600SXL:aiTurnOn()
	self.isAIActive = true;
	self.doAIActivationCheck = true;
end;

function Spirit600SXL:aiLower()
	if self.isServer then
		if self.isNextMarkerLeft then
			self:setLowerMarker(1, true);
		else
			self:setLowerMarker(2, true);
		end;
		self:setLowerDiscs(true);
	end;
end;

function Spirit600SXL:aiRaise()
	self:setLowerMarker(1, false, true);
	self:setLowerMarker(2, false, true);
    self:setLowerDiscs(false, true);
end;

function Spirit600SXL:aiInvertsMarkerOnTurn(turnLeft)
	self.isNextMarkerLeft = not turnLeft;
	return false;
end;

function Spirit600SXL:onAttach(attacherVehicle)
	Cultivator.removeContactReports(self);
	self.attacherVehicleBackup = attacherVehicle;
	if attacherVehicle.frontMarkerDistanceScale then
		self.frontMarkerDistanceScaleBackup = attacherVehicle.frontMarkerDistanceScale;
		attacherVehicle.frontMarkerDistanceScale = 0.5;
	end;
end;

function Spirit600SXL:onDetach()
	if self.frontMarkerDistanceScaleBackup ~= nil then
		self.attacherVehicleBackup.frontMarkerDistanceScale = self.frontMarkerDistanceScaleBackup;
		self.frontMarkerDistanceScaleBackup = nil;
	end;
	self.attacherVehicleBackup = nil;
end;