-- LUA Script - precede every function and global member with lowercase name of script + '_main'
-- Door Prompts 'Closed' can be opened with entity collected specified by 'USE KEY' 

open = {}
local timer = {}
local collision_mode = {}
function door_auto_init(e)
open[e] = 0
collision_mode[e] = 1 
timer[e] = 0
end
	 
function door_auto_main(e)
 PlayerDist = GetPlayerDistance(e)

 if open[e] == 0 then
 if PlayerDist < 150 then
   if g_Entity[e]['activated'] == 0 then
   if PlayerLooking(e,150,30) == 1 then
    if g_Entity[e]['haskey'] == -1 then
     SetActivated(e,1)
    else
      if g_Entity[e]['haskey'] == 1 then 
	   Panel(40,95,60,98)
       Prompt("Unlock the door?")
       if g_KeyPressE == 1 then 
        SetActivated(e,1)
		PlaySound(e,0)
       end
      else
	   Panel(40,95,60,98)
       Prompt("This door is locked")
      end
    end
	end
   else
    if g_Entity[e]['activated'] == 1 then
	if g_Entity[e]['animating'] == 0 then
	 --StartTimer(e)
	 timer[e] = os.time()
	   SetAnimation(0)
	   PlayAnimation(e)
	   g_Entity[e]['animating'] = 1
       SetActivated(e,2)
	   ActivateIfUsed(e)
       PlaySound(e,1)  
	   end
    else
     if g_Entity[e]['activated'] == 2 then
	  -- door collision off after 1 second
	  if os.time() > timer[e] + 2 and collision_mode[e] == 1 then
			collision_mode[e] = 0
 	   --CollisionOff(e)
	   open[e] = 1
	  end
	 end
	 end
	 end
	end
	else
	 if GetPlayerDistance(e) > 180 then
	  -- door is open
	  if g_Entity[e]['activated'] == 2 then
	  if g_Entity[e]['animating'] == 0 then
	  --StartTimer(e)
	  timer[e] = os.time()
 	    SetAnimation(1)
	    PlayAnimation(e)
 	    g_Entity[e]['animating'] = 1
        SetActivated(e,1)
        PlaySound(e,1)
		end
      else
	   if os.time() > timer[e] + 1 and collision_mode[e] == 0 then
		 collision_mode[e] = 1 
	   --CollisionOn(e)
	   open[e] = 0
	   end
	   end
	 end
	 end
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