AddCSLuaFile("cl_init.lua")
AddCSLuaFile("shared.lua")
include("shared.lua")

ENT.BogeyDistance = 650 -- Needed for gm trainspawner

--"DURASelectMain","DURASelectAlternate","DURAToggleChannel","DURAPowerToggle",
ENT.SyncTable = {
	"CustomC","Custom1","Custom2","Custom3","CustomD",
	"CustomE","CustomF","CustomG","R_UNch","R_ZS","R_G","R_Radio","R_Program1","R_Program2","KVT","KB","KSD",
	"VZ1","VUD1","KDL","KDLR","KDLK","KDP","KDLRK","DoorSelect","Ring","UKS","AGS",
	"KRZD","R_VPR","VozvratRP","AVU","KVP","ConverterProtection","RZP",
	"KSN","ARS","ALS","OtklAVU","TormAT","L_1","L_3","DIPoff",
	"VMK","BPSNon","RezMK","ARS13","L_4","VUS","VAH","VAD","EmergencyBrakeValve",
	"KAH","KAHK","KDPK","CabinHeat","KRR","KRP",
	"RC1","VB","BPS","UOS", "PB", "UAVA","AVULight_light","PD","AVU",
	"DriverValveBLDisconnect","DriverValveTLDisconnect","DriverValveTLDisconnect","ParkingBrake","EPK",
	"VUD2","VDL", "GV","DIPon","DIPoff","VozvratRP","KU1","RezMK",
	"VU3","VU1","VU2","AV8B","VU","KDLK","VDLK","KDPK","RST", "DoorSelect","LPU","R_ASNPMenu","R_ASNPUp","R_ASNPDown","R_ASNPOn",
}
ENT.SyncFunctions = {
	""
}

function ENT:Initialize()

	self.Plombs = {
		RST = true,
		Init = true,
		OtklAVU = true,
		UAVA = true,
	}
	-- Set model and initialize
	self:SetModel("models/metrostroi_train/81-508/81-508.mdl")
	self.BaseClass.Initialize(self)
	self:SetPos(self:GetPos() + Vector(0,0,140))

	-- Create seat entities
	self.DriverSeat = self:CreateSeat("driver",Vector(425,-39,-27.5),Angle(0,0,0))
	self.InstructorsSeat = self:CreateSeat("instructor",Vector(430,40,-48+6+2.5),Angle(0,90,0),"models/vehicles/prisoner_pod_inner.mdl")
	self.ExtraSeat1 = self:CreateSeat("instructor",Vector(443,0,-48+6+2.5),Angle(0,90,0),"models/vehicles/prisoner_pod_inner.mdl")
	self.ExtraSeat2 = self:CreateSeat("instructor",Vector(420,-20,-48+6),Angle(0,90,0),"models/vehicles/prisoner_pod_inner.mdl")

	-- Hide seats
	self.DriverSeat:SetColor(Color(0,0,0,0))
	self.DriverSeat:SetRenderMode(RENDERMODE_TRANSALPHA)
	self.InstructorsSeat:SetColor(Color(0,0,0,0))
	self.InstructorsSeat:SetRenderMode(RENDERMODE_TRANSALPHA)

	self.ExtraSeat1:SetColor(Color(0,0,0,0))
	self.ExtraSeat1:SetRenderMode(RENDERMODE_TRANSALPHA)
	self.ExtraSeat2:SetColor(Color(0,0,0,0))
	self.ExtraSeat2:SetRenderMode(RENDERMODE_TRANSALPHA)

	-- Create bogeys
	self.FrontBogey = self:CreateBogey(Vector( 317-5,0,-89),Angle(0,180,0),true,"717")
	self.RearBogey  = self:CreateBogey(Vector(-317+0,0,-89),Angle(0,0,0),false,"717")
	self.FrontCouple = self:CreateCouple(Vector( 419.5+3.5,0,-75),Angle(0,0,0),true,"717")
	self.RearCouple  = self:CreateCouple(Vector(-421.5-3.5,0,-75),Angle(0,180,0),false,"717")
    local pneumoPow = 0.8+(math.random()^0.4)*0.3
    self.FrontBogey.PneumaticPow = pneumoPow
    self.RearBogey.PneumaticPow = pneumoPow

	-- Initialize key mapping
	self.KeyMap = {
		[KEY_1] = "KVSetX1",
		[KEY_2] = "KVSetX2",
		[KEY_3] = "KVSetX3",
		[KEY_4] = "KVSet0",
		[KEY_5] = "KVSetT1",
		[KEY_6] = "KVSetT1AB",
		[KEY_7] = "KVSetT2",
		[KEY_8] = "KRP",

		[KEY_EQUAL] = "R_Program1Set",
		[KEY_MINUS] = "R_Program2Set",

		[KEY_G] = "VozvratRPSet",

		[KEY_0] = "KVReverserUp",
		[KEY_9] = "KVReverserDown",
		[KEY_PAD_PLUS] = "KVReverserUp",
		[KEY_PAD_MINUS] = "KVReverserDown",
		[KEY_W] = "KVUp",
		[KEY_S] = "KVDown",
		[KEY_F] = "PneumaticBrakeUp",
		[KEY_R] = "PneumaticBrakeDown",

		[KEY_A] = "KDL",
		[KEY_D] = "KDP",
		[KEY_V] = "VUD1Toggle",
		[KEY_L] = "HornEngage",
		[KEY_N] = "VZ1Set",
		[KEY_PAD_1] = "PneumaticBrakeSet1",
		[KEY_PAD_2] = "PneumaticBrakeSet2",
		[KEY_PAD_3] = "PneumaticBrakeSet3",
		[KEY_PAD_4] = "PneumaticBrakeSet4",
		[KEY_PAD_5] = "PneumaticBrakeSet5",
		[KEY_PAD_6] = "PneumaticBrakeSet6",
		[KEY_PAD_7] = "PneumaticBrakeSet7",
		[KEY_PAD_DIVIDE] = "KRPSet",
		[KEY_PAD_MULTIPLY] = "KAHSet",
		--[KEY_J] = "KVWrenchKRU",

		--[KEY_SPACE] = "PBSet",
		[KEY_BACKSPACE] = "EmergencyBrake",

		[KEY_PAD_0] = "DriverValveDisconnect",
		[KEY_LSHIFT] = {
			[KEY_W] = "KVUp_Unlocked",
			[KEY_SPACE] = "KVTSet",

			[KEY_A] = "DURASelectAlternate",
			[KEY_D] = "DURASelectMain",
			[KEY_V] = "DURAToggleChannel",
			[KEY_1] = "DIPonSet",
			[KEY_2] = "DIPoffSet",
			[KEY_4] = "KVSet0Fast",
			--[KEY_L] = "DriverValveDisconnect",

			[KEY_7] = "KVWrenchNone",
			[KEY_8] = "KVWrenchKRU",
			[KEY_9] = "KVWrenchKV",
			[KEY_0] = "KVWrench0",
			[KEY_6] = "KVSetT1A",
		},

		[KEY_RSHIFT] = {
			[KEY_7] = "KVWrenchNone",
			[KEY_9] = "KVWrenchKV",
			[KEY_0] = "KVWrench0",
			--[KEY_L] = "DriverValveDisconnect",
			[KEY_F] = "BCCDSet",
			[KEY_R] = "VZPSet",
		},
		[KEY_LALT] = {
			[KEY_V] = "VUD1Toggle",
		},
	}

	self.InteractionZones = {
		{	Pos = Vector(-471,-30,0),
			Radius = 28,
			ID = "RearDoor"
		},
		{	Pos = Vector(473,32,28),
			Radius = 28,
			ID = "FrontDoor1"
		},
		{	Pos = Vector(473,32,-28),
			Radius = 28,
			ID = "FrontDoor2"
		},
		{	Pos = Vector(383.02,31.85,2),
			Radius = 28,
			ID = "PassengerDoor1"
		},
		{	Pos = Vector(383.02,-31.85,2),
			Radius = 28,
			ID = "PassengerDoor2"
		},
		{	Pos = Vector(408.18,63.59,-26),
			Radius = 16,
			ID = "CabinDoor1"
		},
		{	Pos = Vector(408.18,63.59,6),
			Radius = 16,
			ID = "CabinDoor2"
		},
		{	Pos = Vector(408.18,63.59,38),
			Radius = 16,
			ID = "CabinDoor3"
		},
		{	Pos = Vector(458.18,63.59,-26),
			Radius = 16,
			ID = "CabinDoor4"
		},
		{	Pos = Vector(458.18,63.59,6),
			Radius = 16,
			ID = "CabinDoor5"
		},
		{	Pos = Vector(458.18,63.59,38),
			Radius = 16,
			ID = "CabinDoor6"
		},
	}

	self.Lights = {
		-- Head
		[2] = { "glow",				Vector(469.4, 45.43,-30.7), Angle(0,0,0), Color(255,220,180), brightness = 1, scale = 1.0 },
		[4] = { "glow",				Vector(458+9,-14.86, 58), Angle(0,0,0), Color(255,220,180), brightness = 1, scale = 0.5 },
		[5] = { "glow",				Vector(458+9,0,  58), Angle(0,0,0), Color(255,220,180), brightness = 1, scale = 0.5 },
		[6] = { "glow",				Vector(458+9, 14.86,  58), Angle(0,0,0), Color(255,220,180), brightness = 1, scale = 0.5 },

		-- Emergency lit
		[9] = { "headlight",	Vector(412,0,51), Angle(80,0,0), Color(255,255,255), brightness = 1, farz = 117, nearz = 0.01, shadows = 0, fov = 120 },
		-- Cabin
		[22] = { "light",			Vector(432+5.9,-54.5,42.2), Angle(90,0,0), Color(255,180,128), brightness = 0.75, scale = 0.4, texture = "sprites/light_glow03.vmt" },
		[23] = { "dynamiclight", 		Vector(432,-10.0,20), Angle(0,0,0), Color(255,255,255), brightness = 0.0005, distance = 600},
		-- Interior
		[11] = { "dynamiclight",	Vector( 250, 0, -5), Angle(0,0,0), Color(255,125,25), brightness = 6, distance = 250},
		[12] = { "dynamiclight",	Vector(   0, 0, -5), Angle(0,0,0), Color(255,125,25), brightness = 6, distance = 300},
		[13] = { "dynamiclight",	Vector(-250, 0, -5), Angle(0,0,0), Color(255,125,25), brightness = 6, distance = 250},

		[15] = { "light",			Vector(402.202942,69.270073,44.79285), Angle(0,0,0), Color(150,255,255), brightness = 0.9, scale = 0.10, texture = "sprites/light_glow02.vmt" },
		[16] = { "light",			Vector(402.202942,69.270073,41.509621), Angle(0,0,0), Color(50,255,0), brightness = 0.9, scale = 0.10, texture = "sprites/light_glow02.vmt" },
		[17] = { "light",			Vector(402.202942,69.270073,37.3862), Angle(0,0,0), Color(255,255,0), brightness = 0.9, scale = 0.10, texture = "sprites/light_glow02.vmt" },

		[70    ] = { "headlight",	Vector( 450, -60, -47), Angle(45,-90,0), Color(255,255,255), brightness = 0.5, distance = 400 , fov=120, shadows = 1 },

	}

	-- Cross connections in train wires
	self.TrainWireInverts = {
		[18] = true,
		[34] = true,
	}
	self.TrainWireCrossConnections = {
		[5] = 4, -- Reverser F<->B
		[31] = 32, -- Doors L<->R
	}

	-- Setup door positions
	self.LeftDoorPositions = {}
	self.RightDoorPositions = {}
	for i=0,3 do
		table.insert(self.LeftDoorPositions,Vector(353.0 - 35*0.5 - 231*i,65,-1.8))
		table.insert(self.RightDoorPositions,Vector(353.0 - 35*0.5 - 231*i,-65,-1.8))
	end

	-- KV wrench mode
	self.KVWrenchMode = 0

	-- Parking brake ratio
	self.ManualBrake = 0.0
	self.RearDoor = false
	self.FrontDoor = false
	self.CabinDoor = false
	self.PassengerDoor = false

--	self.A5:TriggerInput("Set",0)
	self:TrainSpawnerUpdate()
end

function ENT:TrainSpawnerUpdate()
	self.Texture = self:GetNW2String("Texture")
	self.PassTexture = self:GetNW2String("PassTexture")
	self.CabTexture = self:GetNW2String("CabTexture")
	local texture = Metrostroi.Skins["train"][self.Texture]
	local passtexture = Metrostroi.Skins["pass"][self.PassTexture]
	local cabintexture = Metrostroi.Skins["cab"][self.CabTexture]

	for k in pairs(self:GetMaterials()) do
		self:SetSubMaterial(k-1,"")
	end
	for k,v in pairs(self:GetMaterials()) do
		if v == "models/metrostroi_train/81/int02" then
			if not Metrostroi.Skins["717_schemes"] or not Metrostroi.Skins["717_schemes"]["m"] then
				self:SetSubMaterial(k-1,Metrostroi.Skins["717_schemes"][""])
			else
				if not self.Adverts or self.Adverts ~= 4 then
					self:SetSubMaterial(k-1,Metrostroi.Skins["717_schemes"]["m"].adv)
				else
					self:SetSubMaterial(k-1,Metrostroi.Skins["717_schemes"]["m"].clean)
				end
			end
		elseif v == "models/metrostroi_train/81/tabl" then
			if not self.SignsList then
				self:PrepareSigns()
			end
			if self.SignsList[self.SignsIndex] then self:SetSubMaterial(k-1,self.SignsList[self.SignsIndex][1]) end
		end
		local tex = string.Explode("/",v)
		tex = tex[#tex]
		if cabintexture and cabintexture.textures[tex] then
			self:SetSubMaterial(k-1,cabintexture.textures[tex])
		end
		if passtexture and passtexture.textures[tex] then
			self:SetSubMaterial(k-1,passtexture.textures[tex])
		end
		if texture and texture.textures[tex] then
			self:SetSubMaterial(k-1,texture.textures[tex])
		end
	end
end

--------------------------------------------------------------------------------
function ENT:Think()
	local RetVal = self.BaseClass.Think(self)

	-- Check if wrench was pulled out
	if self.DriversWrenchPresent then
		self.KV:TriggerInput("Enabled",self:IsWrenchPresent() and 1 or 0)
	end
	self:SetPackedBool("RedLight",(self.Panel["RedLightLeft"] > 0.5 or self.Panel["RedLightRight"] > 0.5 ) and not IsValid(self.FrontTrain))

	-- Emergency Ezh cabin lights
	self:SetLightPower(9, self.AV8B.Value < 0.5 and self.VU2.Value > 0.5 and self.Panel["V1"] > 0.5)

	-- Cabin lights
	--self:SetLightPower(22, self.L_2.Value > 0.5 and self.Panel["V1"] > 0.5)
	self:SetLightPower(23, self.VU3.Value > 0.5)

	--Gauges lights
	self:SetPackedBool("PanelLights",self.L_3.Value > 0.5 and self.Panel["V1"] > 0.5)

	local lightsActive2 = self.PowerSupply.XT3_4 > 65.0
	local lightsActive1 = (self.VU2.Value > 0.5 and self.Panel["V1"] > 0.5) or lightsActive2
	self:SetPackedBool("Lamps_emer",lightsActive1)
	self:SetPackedBool("Lamps_full",lightsActive2)
	local Light
	if self.Pneumatic.Compressor == 1 then
		Light = (lightsActive2 and 0.6 or 0.3)
	else
		Light = (lightsActive2 and 0.8 or 0.4)
	end
	self:SetLightPower(11, lightsActive1, Light)
	self:SetLightPower(12, lightsActive1, Light)
	self:SetLightPower(13, lightsActive1, Light)
	self:SetPackedRatio("LampsI",math.Round((self.Electric.I24-150)/1000.0,1.5))

	-- Total temperature
	local IGLA_Temperature = math.max(self.Electric.T1,self.Electric.T2)

	-- Switch and button states
	self:SetPackedBool(0,self:IsWrenchPresent())

	-- Signal if doors are open or no to platform simulation
	self.LeftDoorsOpen =
		(self.Pneumatic.LeftDoorState[1] > 0.5) or
		(self.Pneumatic.LeftDoorState[2] > 0.5) or
		(self.Pneumatic.LeftDoorState[3] > 0.5) or
		(self.Pneumatic.LeftDoorState[4] > 0.5)
	self.RightDoorsOpen =
		(self.Pneumatic.RightDoorState[1] > 0.5) or
		(self.Pneumatic.RightDoorState[2] > 0.5) or
		(self.Pneumatic.RightDoorState[3] > 0.5) or
		(self.Pneumatic.RightDoorState[4] > 0.5)
	self:WriteTrainWire(35,(self.Pneumatic.BrakeCylinderPressure > 0.1) and 1 or 0)

	-- DIP/power
	self:SetPackedBool(32,self.Panel["V1"] > 0.5)
	-- Red RP
	local TW18 = self:GetTrainWire18()
	if self:ReadTrainWire(20) == 0 or (self.Panel["V1"] < 0.5) then TW18 = 0 end
	self:SetPackedBool(131,TW18 > 0)
	self:SetPackedRatio("LRP",TW18)
	self.TrueBrakeAngle = self.TrueBrakeAngle or 0
	if self.ManualBrake < 0.001 and self.ManualBrake > self.TrueBrakeAngle then self.TrueBrakeAngle = self.ManualBrake end
	if self.ManualBrake > 0.999 and self.ManualBrake < self.TrueBrakeAngle then self.TrueBrakeAngle = self.ManualBrake end
	self.TrueBrakeAngle = self.TrueBrakeAngle + (self.ManualBrake - self.TrueBrakeAngle)*2.0*(self.DeltaTime or 0)
	self:SetPackedRatio("ManualBrake",self.TrueBrakeAngle)
	-- Green RP
	self:SetPackedBool(36,self.Panel["GreenRP"] > 0.5)
	-- Cabin heating
	self:SetPackedBool(37,self.Panel["KUP"] > 0.5)
	-- AVU
	self:SetPackedBool(38,self.Panel["AVU"] > 0.5)
	-- Ring
	self:SetPackedBool(39,self.Panel["Ring"] > 0.5)
	-- SD
	self:SetPackedBool(40,self.Panel["V1"] > 0.5 and self.Panel["SD"] < 0.5)
	-- KSD
	self:SetPackedBool("KSD",self.KSD.Value == 0.00)
	-- KRP
	self:SetPackedBool(113,self.KRP.Value == 1.0)


	self:SetPackedBool("DriverValveBLDisconnect",self.DriverValveBLDisconnect.Value == 1.0)
	self:SetPackedBool("DriverValveTLDisconnect",self.DriverValveTLDisconnect.Value == 1.0)
	if self.DriverValveDisconnect.Blocked > 0 and self.Pneumatic.ValveType == 2 then
		self.DriverValveDisconnect:TriggerInput("Block",0)
		self.DriverValveBLDisconnect:TriggerInput("Block",1)
		self.DriverValveTLDisconnect:TriggerInput("Block",1)
	end
	if self.DriverValveDisconnect.Blocked == 0 and self.Pneumatic.ValveType == 1 then
		self.DriverValveDisconnect:TriggerInput("Block",1)
		self.DriverValveBLDisconnect:TriggerInput("Block",0)
		self.DriverValveTLDisconnect:TriggerInput("Block",0)
	end
	self:SetPackedBool("EPK",self.EPK.Value == 1.0)
	self:SetPackedBool("VPR",self.RST.Value > 0 and self.Panel["V1"] > 0)
	self:SetPackedBool("LST",self:ReadTrainWire(6) > 0.5)
	self:SetPackedBool("LVD",self:ReadTrainWire(1) > 0.5)
	self:SetPackedBool("RK",self:ReadTrainWire(2) > 0.5)
	self:SetPackedBool(19,self.OtklAVU.Value == 1.0)
	self:SetPackedBool(20,self.Pneumatic.Compressor == 1.0)
	self:SetPackedBool(21,self.Pneumatic.LeftDoorState[1] > 0.5)
	self:SetPackedBool(25,self.Pneumatic.RightDoorState[1] > 0.5)
	self:SetPackedBool(112,(self.RheostatController.Velocity ~= 0.0))
	self:SetPackedBool(55,(self.DoorSelect.Value == 1.0))
	self:SetPackedBool("VZ1",(self.VZ1.Value == 1))

	self:SetPackedBool(17,self.KRZD.Value == 1.0)
	self:SetPackedBool(156,self.RearDoor)
	self:SetPackedBool(157,self.FrontDoor)
	self:SetPackedBool(158,self.PassengerDoor)
	self:SetPackedBool(159,self.CabinDoor)

	self:SetNW2Bool("ASNPPlay",self.VB.Value	 > 0 and self:ReadTrainWire(47) > 0)
	--KRR
	self:SetPackedBool("KRR",self.KRR.Value > 0.5)

	--Radiostation
	self:SetPackedBool(125,self.R_G.Value == 1.0)
	self:SetPackedBool(127,self.R_ZS.Value == 1.0)
	self:SetPackedBool(126,self.R_Radio.Value == 1.0)
	self:SetPackedBool(128,self.R_Program1.Value == 1.0)
	self:SetPackedBool(129,self.R_Program2.Value == 1.0)

	--[[
	-- LST
	self:SetPackedBool(49,self:ReadTrainWire(6) > 0.5)
	-- LVD
	self:SetPackedBool(50,self:ReadTrainWire(1) > 0.5)

	self:SetPackedBool(165,self.PB.Value > 0)

	-- AV states
	-- for i,v in ipairs(self.Panel.AVMap) do
		-- if tonumber(v)
		-- then self:SetPackedBool(64+(i-1),self["A"..v].Value == 1.0)
		-- elseif self[v] then self:SetPackedBool(64+(i-1),self[v].Value == 1.0)
		-- end
	-- end

	self:SetPackedBool(62,self.L_3.Value > 0.5)
	self:SetPackedBool(64+19,self.VU1.Value > 0.5)
	self:SetPackedBool(64+12,self.VU.Value > 0.5)
	self:SetPackedBool(64+24,self.RST.Value > 0.5)
	self:SetPackedBool(64+7  ,self.AV8B.Value > 0.5)
	self:SetPackedBool(64+36,self.VU2.Value > 0.5)
	self:SetPackedBool(64+13,self.VU3.Value > 0.5)
	self:SetPackedBool("VPR",self.RST.Value == 1.0 and self.Panel["V1"])
	]]
	-- Feed packed floats
	self:SetPackedRatio(0, 1-self.Pneumatic.DriverValvePosition/7)
	self:SetPackedRatio(1, (self.KV.ControllerPosition+3)/7)
	self:SetPackedRatio(2, 1-(self.KV.ReverserPosition+1)/2)
	self:SetPackedRatio(4, self.Pneumatic.ReservoirPressure/16.0)
	self:SetPackedRatio(5, self.Pneumatic.TrainLinePressure/16.0)
	self:SetPackedRatio(6,  math.min(2.7,self.Pneumatic.BrakeCylinderPressure)/6.0)
	self:SetPackedRatio(7, self.Electric.Power750V/1000.0)
	self:SetPackedRatio(8, 0.5 + 0.5*(self.Electric.I24/500.0))
	self:SetPackedRatio(9, self.Pneumatic.BrakeLinePressure_dPdT or 0)
	if self.Pneumatic.TrainLineOpen then
		self:SetPackedRatio(9, (-self.Pneumatic.TrainLinePressure_dPdT or 0)*6)
	else
		self:SetPackedRatio(9, self.Pneumatic.BrakeLinePressure_dPdT or 0)
	end
	self:SetPackedRatio(10,(self.Panel["V1"] * self.Battery.Voltage) / 82.0)
	self:SetPackedRatio(11,IGLA_Temperature)
	self:SetPackedBool("EmergencyBrakeValve",self.EmergencyBrakeValve.Value > 0)
	self:SetPackedBool(152,self.UAVA.Value == 1.0)

	self:SetPackedBool(128,self.R_Program1.Value == 1.0)
	self:SetPackedBool(129,self.R_Program2.Value == 1.0)
	self:SetPackedBool(22,self.Pneumatic.ValveType == 2)

	-- Update ARS system (no ars on E)
	self:SetPackedRatio(3, self.ALS_ARS.Speed/100.0)
	self:SetPackedRatio("Speed", self.Speed/100)
	---print (self.Speed)
	if (self.ALS_ARS.Ring == true) then
		self:SetPackedBool(39,true)
	end

	-- Exchange some parameters between engines, pneumatic system, and real world
	self.Engines:TriggerInput("Speed",self.Speed)
	if IsValid(self.FrontBogey) and IsValid(self.RearBogey) and not self.IgnoreEngine then
		local A = 2*self.Engines.BogeyMoment
        self.FrontBogey.MotorForce = 27000+13000*(A < 0 and 1 or 0)
        self.FrontBogey.Reversed = (self.RKR.Value > 0.5)
        self.RearBogey.MotorForce  = 27000+13000*(A < 0 and 1 or 0)
        self.RearBogey.Reversed = (self.RKR.Value < 0.5)

		-- These corrections are required to beat source engine friction at very low values of motor power
		local A = 2*self.Engines.BogeyMoment
		local P = math.max(0,0.04449 + 1.06879*math.abs(A) - 0.465729*A^2)
		if math.abs(A) > 0.4 then P = math.abs(A) end
		if math.abs(A) < 0.05 then P = 0 end
		if self.Speed < 10 then P = P*(1.0 + 0.5*(10.0-self.Speed)/10.0) end
		self.RearBogey.MotorPower  = P*0.5*((A > 0) and 1 or -1)
		self.FrontBogey.MotorPower = P*0.5*((A > 0) and 1 or -1)

		-- Apply brakes
		local add = 1
		if math.abs(self:GetAngles().pitch) > 4 then
			add = math.min((math.abs(self:GetAngles().pitch)-4)/2,1)*2
		end
		self.FrontBogey.PneumaticBrakeForce = 50000.0
		self.FrontBogey.BrakeCylinderPressure = self.Pneumatic.BrakeCylinderPressure*add
		self.FrontBogey.BrakeCylinderPressure_dPdT = -self.Pneumatic.BrakeCylinderPressure_dPdT
		self.FrontBogey.ParkingBrake = self.ParkingBrake.Value > 0.5
		self.RearBogey.PneumaticBrakeForce = 50000.0
		self.RearBogey.BrakeCylinderPressure = self.Pneumatic.BrakeCylinderPressure*add
		self.RearBogey.BrakeCylinderPressure_dPdT = -self.Pneumatic.BrakeCylinderPressure_dPdT
	end

	-- Generate bogey sounds
	local jerk = math.abs((self.Acceleration - (self.PrevAcceleration or 0)) / self.DeltaTime)
	self.PrevAcceleration = self.Acceleration

	if jerk > (2.0 + self.Speed/15.0) then
		self.PrevTriggerTime1 = self.PrevTriggerTime1 or CurTime()
		self.PrevTriggerTime2 = self.PrevTriggerTime2 or CurTime()

		if ((math.random() > 0.00) or (jerk > 10)) and (CurTime() - self.PrevTriggerTime1 > 1.5) then
			self.PrevTriggerTime1 = CurTime()
			self.FrontBogey:EmitSound("subway_trains/bogey/chassis_"..math.random(1,5)..".wav", 85, math.random(96,110))
		end
		if ((math.random() > 0.00) or (jerk > 10)) and (CurTime() - self.PrevTriggerTime2 > 1.5) then
			self.PrevTriggerTime2 = CurTime()
			self.RearBogey:EmitSound("subway_trains/bogey/chassis_"..math.random(1,5)..".wav", 85, math.random(96,110))
		end
	end

	-- Temporary hacks
	--self:SetNW2Float("V",self.Speed)
	--self:SetNW2Float("A",self.Acceleration)

	return RetVal
end

--------------------------------------------------------------------------------
function ENT:OnButtonPress(button,ply)
	-- Parking brake
	if button == "ParkingBrakeLeft" then
		self.ManualBrake = math.max(0.0,(self.ManualBrake or 0) - 0.05)
		if self.ManualBrake == 0.0 then return end
	end
	if button == "ParkingBrakeRight" then
		self.ManualBrake = math.min(1.0,(self.ManualBrake or 0) + 0.05)
		if self.ManualBrake == 1.0 then return end
	end
	if string.find(button,"PneumaticBrakeSet") then
		self.Pneumatic:TriggerInput("BrakeSet",tonumber(button:sub(-1,-1)))
		return
	end
	if button:find("FrontDoor") then
		self.FrontDoor = not self.FrontDoor
		if self.FrontDoor then self:PlayOnce("door_open_tor","cabin") else self:PlayOnce("door_close_tor","cabin") end
	end
	if button:find("RearDoor") then
		self.RearDoor = not self.RearDoor
		if self.RearDoor then self:PlayOnce("door_open_tor") else self:PlayOnce("door_close_tor") end
	end
	if button:find("PassengerDoor") then
		self.PassengerDoor = not self.PassengerDoor
		if self.PassengerDoor then self:PlayOnce("door_open_tor","cabin") else self:PlayOnce("door_close_tor","cabin") end
	end
	if button:find("CabinDoor") then
		self.CabinDoor = not self.CabinDoor
		if self.CabinDoor then self:PlayOnce("door_open_tor","cabin") else self:PlayOnce("door_close_tor","cabin") end
	end
	if button == "NextSign" then
		self:PrepareSigns()
		self.SignsIndex = self.SignsIndex + 1
		if self.SignsIndex > #self.SignsList then self.SignsIndex = 1 end

		self:SetNW2String("FrontText",self.SignsList[self.SignsIndex][2])
	end
	if button == "PrevSign" then
		self:PrepareSigns()
		self.SignsIndex = self.SignsIndex - 1
		if self.SignsIndex < 1 then self.SignsIndex = #self.SignsList end

		self:SetNW2String("FrontText",self.SignsList[self.SignsIndex][2])
	end

	if button == "Num1P" then
		if not self.RouteNumber then self.RouteNumber = "00" end
		local num = tonumber(self.RouteNumber[2])
		num = num + 1
		if num > 9 then num = 0 end
		self.RouteNumber = string.SetChar(self.RouteNumber,2, num)
		self:SetNW2String("RouteNumber",self.RouteNumber)
		local trn = self.WagonList[#self.WagonList]
		if IsValid(trn) and trn ~= self then
			trn.RouteNumber = self.RouteNumber
			trn:SetNW2String("RouteNumber",self.RouteNumber)
		end
	end
	if button == "Num1M" then
		if not self.RouteNumber then self.RouteNumber = "00" end
		local num = tonumber(self.RouteNumber[2])
		num = num - 1
		if num < 0 then num = 9 end
		self.RouteNumber = string.SetChar(self.RouteNumber,2, num)
		self:SetNW2String("RouteNumber",self.RouteNumber)
		local trn = self.WagonList[#self.WagonList]
		if IsValid(trn) and trn ~= self then
			trn.RouteNumber = self.RouteNumber
			trn:SetNW2String("RouteNumber",self.RouteNumber)
		end
	end
	if button == "Num2P" then
		if not self.RouteNumber then self.RouteNumber = "00" end
		local num = tonumber(self.RouteNumber[1])
		num = num + 1
		if num > 9 then num = 0 end
		self.RouteNumber = string.SetChar(self.RouteNumber,1, num)
		self:SetNW2String("RouteNumber",self.RouteNumber)
		local trn = self.WagonList[#self.WagonList]
		if IsValid(trn) and trn ~= self then
			trn.RouteNumber = self.RouteNumber
			trn:SetNW2String("RouteNumber",self.RouteNumber)
		end
	end
	if button == "Num2M" then
		if not self.RouteNumber then self.RouteNumber = "00" end
		local num = tonumber(self.RouteNumber[1])
		num = num - 1
		if num < 0 then num = 9 end
		self.RouteNumber = string.SetChar(self.RouteNumber,1, num)
		self:SetNW2String("RouteNumber",self.RouteNumber)
		local trn = self.WagonList[#self.WagonList]
		if IsValid(trn) and trn ~= self then
			trn.RouteNumber = self.RouteNumber
			trn:SetNW2String("RouteNumber",self.RouteNumber)
		end
	end

	-- Parking brake
	if button == "ManualBrakeLeft" then
		self.ManualBrake = math.max(0.0,self.ManualBrake - 0.008)
		if self.ManualBrake == 0.0 then return end
		--print(self.ManualBrake)
	end
	if button == "ManualBrakeRight" then
		self.ManualBrake = math.min(1.0,self.ManualBrake + 0.008)
		if self.ManualBrake == 1.0 then return end
		--print(self.ManualBrake)
	end

	if button == "KVUp" then
		if self.KV.ControllerPosition ~= -1 then
			self.KV:TriggerInput("ControllerUp",1.0)
		end
	end
	if button == "KVUp_Unlocked" then
		self.KV:TriggerInput("ControllerUp",1.0)
	end
	if button == "KVDown" then
		self.KV:TriggerInput("ControllerDown",1.0)
	end

	-- KRU
	if (self.KVWrenchMode == 2) and (button == "KVReverserUp") then
		self.KRU:TriggerInput("Up",1)
		self:OnButtonPress("KRUUp")
	end
	if (self.KVWrenchMode == 2) and (button == "KVReverserDown") then
		self.KRU:TriggerInput("Down",1)
		self:OnButtonPress("KRUDown")
	end
	if (self.KVWrenchMode == 2) and (button == "KVSetX1") then
		self.KRU:TriggerInput("SetX1",1)
		self:OnButtonPress("KRUSetX1")
	end
	if (self.KVWrenchMode == 2) and (button == "KVSetX2") then
		self.KRU:TriggerInput("SetX2",1)
		self:OnButtonPress("KRUSetX2")
	end
	if (self.KVWrenchMode == 2) and (button == "KVSetX3") then
		self.KRU:TriggerInput("SetX3",1)
		self:OnButtonPress("KRUSetX3")
	end
	if (self.KVWrenchMode == 2) and (button == "KVSet0") then
		self.KRU:TriggerInput("Set0",1)
		self:OnButtonPress("KRUSet0")
	end

	if button == "KVSetT1AB" then
		if self.KV.ControllerPosition == -2 then
			self.KV:TriggerInput("ControllerSet",-1)
			timer.Simple(0.20,function()
				self.KV:TriggerInput("ControllerSet",-2)
			end)
		else
			self.KV:TriggerInput("ControllerSet",-2)
		end
	end
	if button == "KVWrench0" then
		if self.KVWrenchMode == 3 or self.KVWrenchMode == 1 then
			if self.KVWrenchMode ~= 1 then
				self:PlayOnce("revers_in","cabin",0.7)
			end
			self.KVWrenchMode = 0
			self.DriversWrenchPresent = false
			self.DriversWrenchMissing = false
			self.KV:TriggerInput("Enabled",1)
			self.KRU:TriggerInput("Enabled",0)
		end
	end
	if button == "KVWrenchKV" then
		if self.KVWrenchMode == 3 or self.KVWrenchMode == 0 then
			if self.KVWrenchMode ~= 0 then
				self:PlayOnce("revers_in","cabin",0.7)
			end
			self.KVWrenchMode = 1
			self.DriversWrenchPresent = true
			self.DriversWrenchMissing = false
			self.KV:TriggerInput("Enabled",1)
			self.KRU:TriggerInput("Enabled",0)
		end
	end
	--THERE IS NO KRU IN THIS EZH MODEL
	--[[
	if button == "KVWrenchKRU" then
		if self.KVWrenchMode == 3 then
			self:PlayOnce("kru_in","cabin",0.7)
			self.KVWrenchMode = 2
			self.DriversWrenchPresent = false
			self.DriversWrenchMissing = true
			self.KV:TriggerInput("Enabled",0)
			self.KRU:TriggerInput("Enabled",1)
			self.KRU:TriggerInput("LockX3",1)
		end
	end]]
	if button == "KVWrenchNone" then
		if self.KVWrenchMode ~= 3 and self.KV.ReverserPosition == 0 then
			if self.KVWrenchMode == 2 then
				self:PlayOnce("kru_out","cabin",0.7)
			else
				self:PlayOnce("revers_out","cabin",0.7)
			end
			self.KVWrenchMode = 3
			self.DriversWrenchPresent = false
			self.DriversWrenchMissing = true
			self.KV:TriggerInput("Enabled",0)
			self.KRU:TriggerInput("Enabled",0)
		end
	end
	--if button == "KVT2Set" then self.KVT:TriggerInput("Close",1) end
	if button == "KDL" and self.VUD1.Value < 1 then self.KDL:TriggerInput("Close",1) self:OnButtonPress("KDLSet") end
	if button == "KDP" and self.VUD1.Value < 1 then self.KDP:TriggerInput("Close",1) self:OnButtonPress("KDPSet") end
	if button == "VDL" and self.VUD1.Value < 1 then self.VDL:TriggerInput("Close",1) self:OnButtonPress("VDLSet") end
	if button == "KRP" then
		self.KRP:TriggerInput("Set",1)
		self:OnButtonPress("KRPSet")
	end
	if button == "EmergencyBrake" then
		self.KV:TriggerInput("ControllerSet",-3)
		self.Pneumatic:TriggerInput("BrakeSet",7)
		self.DriverValveBLDisconnect:TriggerInput("Set",1)
		return
	end
	if button == "DriverValveDisconnect" then
		if self.DriverValveBLDisconnect.Value == 0 or self.DriverValveTLDisconnect.Value == 0 then
			self.DriverValveBLDisconnect:TriggerInput("Set",1)
			self.DriverValveTLDisconnect:TriggerInput("Set",1)
		else
			--self:PlayOnce("pneumo_disconnect1","cabin",0.9)
			self.DriverValveBLDisconnect:TriggerInput("Set",0)
			self.DriverValveTLDisconnect:TriggerInput("Set",0)
		end
		if self.DriverValveBLDisconnect.Value == 1.0 then
			if self.EPK.Value == 1 then self:PlayOnce("epv_on","cabin",0.9) end
		else
		--self:PlayOnce("pneumo_disconnect2","cabin",0.9)
			if self.EPK.Value == 1 then self:PlayOnce("epv_off","cabin",0.9) end
		end
		return
	end
	-- Special logic
	if (button == "VDL") or (button == "KDL") or (button == "KDP") then
		--self.VUD1:TriggerInput("Open",1)
	end
	if (button == "KDP") then
		--self.DoorSelect:TriggerInput("Close",1)
	end
	if (button == "VUD1Set") or (button == "VUD1Toggle") or
	   (button == "VUD2Set") or (button == "VUD2Toggle") then
		self.VDL:TriggerInput("Open",1)
		self.KDL:TriggerInput("Open",1)
		self.KDP:TriggerInput("Open",1)
	end

	if button == "GVToggle" then
		if self.GV.Value > 0.5 then
			self:PlayOnce("revers_f",nil,0.7)
		else
			self:PlayOnce("revers_b",nil,0.7)
		end
		return
	end


	--[[if (button == "UAVAToggle") then
		if self.UAVA then
			if self.UAVA.Value > 0.5 then
				self:PlayOnce("uava_off","cabin")
			else
				self:PlayOnce("uava_off","cabin")
			end
		end
		return
	end]]
end

function ENT:OnButtonRelease(button)
	if string.find(button,"PneumaticBrakeSet") then
		return
	end
	--if button == "KVT2Set" then self.KVT:TriggerInput("Open",1) end
	if button == "KDL" and self.VUD1.Value < 1 then self.KDL:TriggerInput("Open",1) self:OnButtonRelease("KDLSet") end
	if button == "KDP" and self.VUD1.Value < 1 then self.KDP:TriggerInput("Open",1) self:OnButtonRelease("KDPSet") end
	if button == "VDL" and self.VUD1.Value < 1 then self.VDL:TriggerInput("Open",1) self:OnButtonRelease("VDLSet") end
	if button == "KRP" then
		self.KRP:TriggerInput("Set",0)
		self:OnButtonRelease("KRPSet")
	end

	--[[
	if (button == "PneumaticBrakeDown") and (self.Pneumatic.DriverValvePosition == 1) then
		self.Pneumatic:TriggerInput("BrakeSet",2)
	end
	if self.Pneumatic.ValveType == 1 then
		if (button == "PneumaticBrakeUp") and (self.Pneumatic.DriverValvePosition == 5) then
			self.Pneumatic:TriggerInput("BrakeSet",4)
		end
	end
	]]

	if (not string.find(button,"KVT")) and string.find(button,"KV") then return end
	if string.find(button,"KRU") then return end
end

function ENT:OnCouple(train,isfront)
    if isfront and self.FrontAutoCouple then
        self.FrontBrakeLineIsolation:TriggerInput("Open",1.0)
        self.FrontTrainLineIsolation:TriggerInput("Open",1.0)
        self.FrontAutoCouple = false
    elseif not isfront and self.RearAutoCouple then
        self.RearBrakeLineIsolation:TriggerInput("Open",1.0)
        self.RearTrainLineIsolation:TriggerInput("Open",1.0)
        self.RearAutoCouple = false
    end
	self.BaseClass.OnCouple(self,train,isfront)
end

function ENT:TriggerTurbostroiInput(sys,name,val)
	self.BaseClass.TriggerTurbostroiInput(self,sys,name,val)
	if sys == "Panel" and name:find("HeadLights") or sys == "L_4" then
		local brightness = math.min(1,self.Panel["HeadLights1"])*0.50 +
							math.min(1,self.Panel["HeadLights2"])*0.25 +
							math.min(1,self.Panel["HeadLights3"])*0.25
		if (self.Panel["HeadLights3"] > 0.5 or self.Panel["HeadLights1"] > 0.5) then-- and (self.L_4.Value > 0.5) then
			self:SetPackedRatio("Headlight",brightness)
		else
			self:SetPackedRatio("Headlight",0)
		end
		self:SetPackedBool("HeadLights1",self.Panel["HeadLights1"] > 0)
		self:SetPackedBool("HeadLights2",self.Panel["HeadLights2"] > 0)
	end
end