pressed = 0
if g_generator_parts == nil then 
	g_generator_parts = 0 --number of repair parts player starts with 
end 
if g_fuel == nil then 
	g_fuel = 0 --starting amount of g_fuel player starts with 
end 

local max_fuel = 100 --amount of fuel the generator can store when full (will start as soon as turned on if has any fuel though)
local flicker_delay = 250 --amount of time in milliseconds to flicker power for when generator reaches low fuel (10%)
local fuel_drain_delay = 5000 --amount of time in milliseconds to wait before fuel drains (by 1 - so if you wanted to do 1% you can cap max_fuel at 100)
local refuel_amount = 1 --how much to refuel per session (less if you don't have enough fuel)
local repair_time = 2500 --how long each part takes to repair/fit
local refuel_time = 1250 --how long it takes to pour fuel into generator
local new_flicker_delay = {}
local new_fuel_drain_delay = {}
local flicker_state = {}
local fuel_state = {}
generator_part = {}
g_gen_parts_placed = {}
g_generator_fuel = {}
local old_activated = {}
local last_state = {}
local start_hp = {}

g_state = {}

local first_run = {}
local new_refuel_time = {}

--range to allow player use
local interact_range = 150

--health = number of parts required to repair
--name = generator number (for assigning doors and lights etc)
--sound0 = repair / fit part
--sound1 = start up
--sound2 = pour fuel / refuel
--sound3 = stutter (no fuel)
--sound4 = engine loop
function generator2_init_name(e,name)
	first_run[e] = nil 
	weapon_name[e] = name
	if g_state[e] == nil then 
		g_state[e] = "wait for repairs"
	end 
	if g_gen_parts_placed[e] == nil then 
		g_gen_parts_placed[e] = 0 --number of parts already repaired
	end 
	if g_generator_fuel[e] == nil then
		g_generator_fuel[e] = 0 --starting amount of g_fuel in generator
	end
end

function generator2_main(e)

	if first_run[e] == nil then 
		start_hp[e] = g_Entity[e]['health']
		first_run[e] = 0
		return
	elseif first_run[e] == 0 then 
		first_run[e] = 1 
		for a = 1,9999 do
			if g_Entity[a] ~= nil and a ~= e then
				if weapon_name[a] ~= nil then
					if weapon_name[a] == weapon_name[e].." door" then
						SetActivated(a,-1)
					elseif weapon_name[a] == weapon_name[e].." light" then 
						HideLight(a)
					end
				end
			end
		end
		return
	end 
	
	if g_Entity[e]['health'] < start_hp[e] then 
		SetEntityHealth(e,start_hp[e])
	end 
	
	if g_state[e] == "wait for repairs" then
		if PlayerLooking(e,interact_range,15) == 1 then
			if g_gen_parts_placed[e] < g_Entity[e]['health'] then
				if g_KeyPressE == 0 then 
					PromptLocal(e,g_Entity[e]['health'] - g_gen_parts_placed[e].." Parts needed. (Hold 'E' to repair)")
				end 
				if g_KeyPressE == 1 and pressed == 0 then
					if g_generator_parts > 0 then
						pressed = 1
						--g_PlayerAngX seems to be causing problems so used 0 instead
						SetFreezeAngle(0,g_PlayerAngY,g_PlayerAngZ)
						SetFreezePosition(g_PlayerPosX,g_PlayerPosY,g_PlayerPosZ)
						g_state[e] = "repairing"
						StartTimer(e)
					else
						PromptDuration("You don't have any parts to repair with",2000)
					end
				end
			else
				if g_KeyPressE == 0 then 
					PromptLocal(e,"Turn generator on? (Press 'E')")
				end 
				if g_KeyPressE == 1 and pressed == 0 then
					pressed = 1 
					if g_generator_fuel[e] > 0 then 
						PlaySound(e,1) --start up sound
						SetAnimation(0)
						PlayAnimation(e)
						g_state[e] = "start up"
					else 
						PromptDuration("It needs some fuel..",2000)
						PlaySound(e,3) --splutter sound
						g_state[e] = "need fuel"
					end
					return
				end
			end
		end
		
	elseif g_state[e] == "repairing" then 
		if g_KeyPressE == 1 then 
			pressed = 1
			TransportToFreezePosition()
			if GetTimer(e) < repair_time then 
				LoopSound(e,0)
				PromptLocal(e,"Repairing part "..round((GetTimer(e)/1000),1).."/"..round((repair_time/1000),1).."s")
			else 
				StopSound(e,0)
				g_gen_parts_placed[e] = g_gen_parts_placed[e] + 1 
				g_generator_parts = g_generator_parts - 1
				g_state[e] = "wait for repairs"
			end 
		else 
			StopSound(e,0)
			g_state[e] = "wait for repairs"
		end 

	elseif g_state[e] == "start up" then
		new_fuel_drain_delay[e] = GetTimer(e)+fuel_drain_delay
		flicker_state[e] = "on"
		new_flicker_delay[e] = GetTimer(e)+flicker_delay
		--open doors?
		for a = 1,99999 do
			if g_Entity[a] ~= nil and a ~= e then
				if weapon_name[a] ~= nil then
					if weapon_name[a] == weapon_name[e].." door" then
						SetActivated(a,1)
					elseif weapon_name[a] == weapon_name[e].." light" then 
						ShowLight(a)
					end
				end
			end
			if a >= 99999 then
				g_state[e] = "on"
			end
		end
	
	elseif g_state[e] == "on" then 
		if GetTimer(e) > new_fuel_drain_delay[e] then 
			new_fuel_drain_delay[e] = GetTimer(e)+fuel_drain_delay
			g_generator_fuel[e] = g_generator_fuel[e] - 1
		end 
		LoopSound(e,4) --running sound
		if g_generator_fuel[e] < 1 then 
			g_state[e] = "need fuel"
			flicker_state[e] = "off"
			PlaySound(e,3) --stutter sound
			StopSound(e,4)
			for a = 1,99999 do
				if g_Entity[a] ~= nil and a ~= e then
					if weapon_name[a] ~= nil then
						if weapon_name[a] == weapon_name[e].." door" then
							StartTimer(a)
							SetAnimation(a,1)
							PlayAnimation(a)
							g_Entity[a]['animating'] = 1
							CollisionOn(a)
							PlaySound(a,1)
							SetActivated(a,-1)
						elseif weapon_name[a] == weapon_name[e].." light" then 
							HideLight(a)
						end
					end
				end
			end
		else
			if PlayerLooking(e,interact_range,15) == 1 then 
				if g_KeyPressE == 0 then 
					if g_generator_fuel[e] <= max_fuel*0.11 then 
						fuel_state[e] = "low"
					elseif g_generator_fuel[e] < max_fuel*0.75 then 
						fuel_state[e] = "ok"
					else 
						fuel_state[e] = "good"
					end 
					PromptLocal(e,"Current fuel = "..g_generator_fuel[e].."("..fuel_state[e].."), refuel the generator? (Hold E)")
				end 
				if g_KeyPressE == 1 and pressed == 0 then 
					pressed = 1 
					if g_fuel > 0 then 
						new_refuel_time[e] = GetTimer(e)+refuel_time
						last_state[e] = "on"
						--g_PlayerAngX seems to be causing problems so used 0 instead
						SetFreezeAngle(0,g_PlayerAngY,g_PlayerAngZ)
						SetFreezePosition(g_PlayerPosX,g_PlayerPosY,g_PlayerPosZ)
						g_state[e] = "refueling" 
					else 
						PromptDuration("You need fuel first",2000)
					end 
				end 
			end 
			if g_generator_fuel[e] < max_fuel*0.1 then 
				if GetTimer(e) > new_flicker_delay[e] then 
					PlaySound(e,3)
					new_flicker_delay[e] = GetTimer(e)+flicker_delay
					if flicker_state[e] == "on" then 
						flicker_state[e] = "off"
						for a = 1,99999 do
							if g_Entity[a] ~= nil and a ~= e then
								if weapon_name[a] ~= nil then
									if weapon_name[a] == weapon_name[e].." door" then
										old_activated[a] = g_Entity[a]['activated']
										if g_Entity[a]['activated'] == 0 or g_Entity[a]['activated'] == 1 then 
											SetActivated(a,-1)
										end 
									elseif weapon_name[a] == weapon_name[e].." light" then 
										HideLight(a)
									end
								end
							end
						end
					else 
						flicker_state[e] = "on"
						for a = 1,99999 do
							if g_Entity[a] ~= nil and a ~= e then
								if weapon_name[a] ~= nil then
									if weapon_name[a] == weapon_name[e].." door" then
										SetActivated(a,old_activated[a])
									elseif weapon_name[a] == weapon_name[e].." light" then 
										ShowLight(a)
									end
								end
							end
						end
					end 
				end 
			else 
				flicker_state[e] = "on"
				new_flicker_delay[e] = GetTimer(e)+flicker_delay
			end 
		end 
		
	elseif g_state[e] == "need fuel" then 
		if PlayerLooking(e,interact_range,15) == 1 then 
			if g_KeyPressE == 0 then 
				PromptLocal(e,"Refuel the generator? (Hold E)")
			end 
			if g_KeyPressE == 1 and pressed == 0 then 
				pressed = 1 
				if g_fuel > 0 then 
					new_refuel_time[e] = GetTimer(e)+refuel_time
					last_state[e] = "need fuel"
					--g_PlayerAngX seems to be causing problems so used 0 instead
					SetFreezeAngle(0,g_PlayerAngY,g_PlayerAngZ)
					SetFreezePosition(g_PlayerPosX,g_PlayerPosY,g_PlayerPosZ)
					g_state[e] = "refueling"					
				else 
					PromptDuration("You need fuel first",2000)
				end 
			end 
			if g_generator_fuel[e] > 0 then 
				g_state[e] = "wait for repairs"
			end 
		end 
		
	elseif g_state[e] == "refueling" then 
		if g_KeyPressE == 1 then 
			pressed = 1 
			TransportToFreezePosition()
			if GetTimer(e) < new_refuel_time[e] then 
				LoopSound(e,2)
				PromptLocal(e,"Refuelling generator, generator fuel = "..g_generator_fuel[e]..", you have "..g_fuel.." fuel left. (Release E to stop filling)")
			else 
				new_refuel_time[e] = GetTimer(e)+refuel_time
				if g_fuel >= refuel_amount then 
					g_fuel = g_fuel - refuel_amount 
					g_generator_fuel[e] = g_generator_fuel[e] + refuel_amount
				else 
					g_generator_fuel[e] = g_generator_fuel[e] + g_fuel 
					g_fuel = 0
				end 
			end 
		else 
			StopSound(e,2)
			g_state[e] = last_state[e]
		end 
			
	end --g_state

	if g_KeyPressE == 0 then
		pressed = 0
	end
end --main

function PlayerLooking(e,dis,v)
if g_Entity[e] ~= nil then
if dis == nil then
dis = 3000
end
if v == nil then
v = 0.5
end
if GetPlayerDistance(e) <= dis then
local destx = g_Entity[e]['x'] - g_PlayerPosX
local destz = g_Entity[e]['z'] - g_PlayerPosZ
local angle = math.atan2(destx,destz)
angle = angle * (180.0 / math.pi)

if angle <= 0 then
angle = 360 + angle
elseif angle > 360 then
angle = angle - 360
end
while g_PlayerAngY < 0 or g_PlayerAngY > 360 do
if g_PlayerAngY <= 0 then
g_PlayerAngY = 360 + g_PlayerAngY
elseif g_PlayerAngY > 360 then
g_PlayerAngY = g_PlayerAngY - 360
end
end
local L = angle - v
local R = angle + v
if L <= 0 then
L = 360 + L 
elseif L > 360 then
L = L - 360
end
if R <= 0 then
R = 360 + R
elseif R > 360 then
R = R - 360
end

if (L < R and math.abs(g_PlayerAngY) > L and math.abs(g_PlayerAngY) < R) then
return 1
elseif (L > R and (math.abs(g_PlayerAngY) > L or math.abs(g_PlayerAngY) < R)) then
return 1
else
return 0
end
else
return 0
end
end
end

function round(num, idp)
  local mult = 10^(idp or 0)
  return math.floor(num * mult + 0.5) / mult
end