--load the autosave data first to grab any existing variables
file = io.open("savegames\\gameslot8.dat", "r")
if file ~= nil then
  io.input(file)
  -- get data
  strField = io.read()
  while strField ~= nil do
   -- get each data item
   if string.upper(string.sub(strField,1,11)) == string.upper("GLOBALDUMP=") then
   iDivision = string.find(strField, "=", 1)
   strProperty = string.sub(strField, 1, iDivision-1)
   strData = string.sub(strField, iDivision+1)
   if string.upper(string.sub(strField,1,11)) == string.upper("GLOBALDUMP=") then
    iVarNamePos = string.find(strField, "=", 12)
    iVarTypePos = string.find(strField, "=", iVarNamePos+1)
    local strVarName = string.sub(strField,12,iVarNamePos-1)
    local strVarType = string.sub(strField,iVarNamePos+1,iVarTypePos-1)
    local strVarValue = string.sub(strField,iVarTypePos+1)
    if strVarName~="file" and strVarName~="_G" and strVarName~="io" and strVarName~="math" and strVarName~="arrayread" then
     if strVarType == "number" then
      _G[strVarName] = tonumber(strVarValue)
     else
      _G[strVarName] = strVarValue
     end 
	end
   end
	end
	if strVarName == "g_flashlight_batteries" then 
	 g_flashlight_batteries = strVarValue
	 end 
	 if strVarName == "g_current_battery" then 
	 g_current_battery = strVarValue
	 end 
   -- next item
   strField = io.read()
  end
  -- end of file
  io.close(file)
end 
-------
if g_flashlight_batteries == nil then 
g_flashlight_batteries = 0 --number of batteries player starts with (can be 0, forcing player to have no flashlight until a battery is found *note, the flashlight will still have a battery inside it so remember to set regen_delay to a very high number)
end 
if g_current_battery == nil then 
g_current_battery = 0
end 
flashlight_batteries_txt = g_flashlight_batteries
flashlight_battery_life = {}
flashlight_battery_drain_delay = {}
local new_flashlight_battery_drain_delay = {}
local new_flicker_delay_off = nil
local new_flicker_delay_on = nil
local new_regen_delay = 0

local replace_battery_delay = 3 --how many seconds til battery reloading is complete
max_flashlight_batteries = 5 --maximum batteries player can hold at one time
local flickering_on = 1 --set to 1 for flickering effect, 0 for constant on (when state is on)
local flickering_perc_start = 40 --what % of battery life the flickering will begin
local flicker_delay_off = math.random(1,3) --how many seconds before flashlight can go off again while flickering
local flicker_delay_on = 0.2 --how long til light comes back on while flickering

local regen_while_off = 0 --set to 0 to turn battery automatically restore power while off
local regen_delay = 10 --this is actually a modifier and multiplies the drain speed by this to get the value (so a drain of 0.5s becomes 2s to restore 1% at 4)

local state = "off"
fpressed = 0
local timer = {}

local show_battery_icon = 1 --set to 0 if you aren't using spare batteries and don't want the sprite icon to appear on screen
local fl_i = LoadImage("scriptbank\\images\\flashlight\\fl_icon.png") --path to the flash light icon images\\flashlight\\fl_icon
local fl_sprite_posx = 13 --x position of the flashlight image on screen (% of screen)
local fl_sprite_posy = 86 --y position of the flashlight image on screen (% of screen)
local fl_sprite_sizex = 10 --x size of the flashlight image on screen (% of screen)
local fl_sprite_sizey = 13 --y size of the flashlight image on screen (% of screen)

local flb_i = LoadImage("scriptbank\\images\\flashlight\\flb_icon.png") --path the the battery image 
local flb_sprite_posx = 23
local flb_sprite_posy = 92
local flb_sprite_sizex = 5
local flb_sprite_sizey = 7


--sound at slot 0 is for replacing batteries
--sound at slot 1 is for clicking on/off
--set entity always active & use with flashlight_battery.lua for extra batteries
function flashlight2_init(e)
flashlight_battery_life[0] = 0
flashlight_battery_drain_delay[0] = 0

if g_flashlight_batteries > 0 then
for a = 1,g_flashlight_batteries do
flashlight_battery_life[a] = 100 --starting amount of life for the batteries
flashlight_battery_drain_delay[a] = 0.2 --how fast the batteries drain (in seconds)
end
end
timer[e] = 0

end


function flashlight2_main(e)
if fl_sprite == nil and fl_i ~= nil then
fl_sprite = CreateSprite(fl_i)
SetSpriteSize(fl_sprite,fl_sprite_sizex,fl_sprite_sizey)
if show_battery_icon == 1 then
if flb_sprite == nil and flb_i ~= nil then
flb_sprite = CreateSprite(flb_i)
SetSpriteSize(flb_sprite,flb_sprite_sizex,flb_sprite_sizey)
end
end
else

SetFlashLightKeyEnabled(0)
if g_KeyPressF == 1 and fpressed < 3 then
fpressed = 2
if os.time() > timer[e] + (replace_battery_delay * 0.35) then
if g_current_battery < g_flashlight_batteries then
TextCenterOnX(50,85,3,"Replacing flash light batteries...")
if os.time() > timer[e] + replace_battery_delay then
PlaySoundIfSilent(e,1)
g_current_battery = g_current_battery + 1
flashlight_batteries_txt = flashlight_batteries_txt - 1
timer[e] = os.time()
fpressed = 3 
end
else
TextCenterOnX(50,85,3,"No spare batteries remaining...")
end
end
end 

if state == "on" then
if flashlight_battery_life[g_current_battery] > 0 then
if new_flashlight_battery_drain_delay[g_current_battery] == nil then
new_flashlight_battery_drain_delay[g_current_battery] = g_Time + (flashlight_battery_drain_delay[g_current_battery]*1000)
end
if flickering_on == 1 then
if flashlight_battery_life[g_current_battery] <= flickering_perc_start then
if new_flicker_delay_off == nil then
new_flicker_delay_off = g_Time + (flicker_delay_off*1000)
new_flicker_delay_on = g_Time + (flicker_delay_off*1000)
end
if g_Time > new_flicker_delay_off then
SetFlashLight(0)
new_flicker_delay_on = g_Time + (flicker_delay_on*1000)
new_flicker_delay_off = g_Time + (math.random(flicker_delay_off*0.8,flicker_delay_off*1.2)*1000)
end
if g_Time > new_flicker_delay_on then
SetFlashLight(1)
end
end
end
if g_Time > new_flashlight_battery_drain_delay[g_current_battery] then
flashlight_battery_life[g_current_battery] = flashlight_battery_life[g_current_battery] - 1 
new_flashlight_battery_drain_delay[g_current_battery] = g_Time +  (flashlight_battery_drain_delay[g_current_battery]*1000)
end
else
SetFlashLight(0)
new_regen_delay = g_Time + regen_delay
state = "off"
end
elseif state == "off" then
if regen_while_off == 1 then
if g_Time > new_regen_delay then
new_regen_delay = g_Time + ((flashlight_battery_drain_delay[g_current_battery]*1000)*regen_delay)
if flashlight_battery_life[g_current_battery] < 100 then
flashlight_battery_life[g_current_battery] = flashlight_battery_life[g_current_battery] + 1 
end 
end 
end 

end

if g_KeyPressF == 0 then
timer[e] = os.time()
if fpressed == 2 then
PlaySound(e,0)
if state == "off" then
state = "on"
SetFlashLight(1)
else
new_regen_delay = g_Time + ((flashlight_battery_drain_delay[g_current_battery]*1000)*regen_delay)
state = "off"
SetFlashLight(0)
end
fpressed = 0
elseif fpressed == 3 then
new_regen_delay = g_Time + ((flashlight_battery_drain_delay[g_current_battery]*1000)*regen_delay)
SetFlashLight(0)
state = "off"
fpressed = 0
end
end

SetSpritePosition(fl_sprite,fl_sprite_posx,fl_sprite_posy)
PasteSprite(fl_sprite)
TextCenterOnX(fl_sprite_posx+(fl_sprite_sizex/1.5),fl_sprite_posy+(fl_sprite_sizey/2),3,"   "..flashlight_battery_life[g_current_battery].."%")
SetSpritePosition(fl_sprite,200,200)
if show_battery_icon == 1 then
SetSpritePosition(flb_sprite,flb_sprite_posx,flb_sprite_posy)
PasteSprite(flb_sprite)
TextCenterOnX(flb_sprite_posx+(flb_sprite_sizex/1.5),flb_sprite_posy+(flb_sprite_sizey/2),3,"  x "..flashlight_batteries_txt)
SetSpritePosition(flb_sprite,200,200)
end 


--TextCenterOnX(50,90,3,"spare batteries = "..remaining_batteries.."  ,  current battery life = "..flashlight_battery_life[g_current_battery].."%  ,  current drain per sec = 1% per "..flashlight_battery_drain_delay[g_current_battery].."s")
end
end --main

function flashlight2_exit(e)

end

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