--adjust how far player can interact with the switch
local use_range = 140
local use_angle = 25

local switch_delay_init = 6 --how many seconds door will remain unlocked for

--set prompts here
local prompt1 = "This must unlock a door somewhere... press it? 'E'"
local prompt2 = "You hear the sound of a door unlocking somewhere"
local prompt3 = "This switch appears to have no further use"
switch_delay = {}
local door = {}
switch_activated = {}
switch_delay_init = switch_delay_init * 1000

--use with door_with_switch.lua
function door_switch_init_name(e,name)
weapon_name[e] = name
switch_delay[e] = switch_delay_init
switch_activated[e] = 0
end

function door_switch_main(e)
if door[e] == nil then
for a = 1,9999 do
if weapon_name[a] ~= nil and a ~= e then
if weapon_name[a] == weapon_name[e] then
SetActivated(e,1)
door[e] = a 
break
end
end
end
else

if PlayerLooking(e,use_range,use_angle) == 1 then
if switch_activated[e] < 2 then
if g_Entity[e]['activated'] == 1 then
Prompt(prompt1)
if g_KeyPressE == 1 then
SetAnimation(0)
PlayAnimation(e)
PlaySound(e,0)
switch_delay[e] = g_Time + switch_delay_init
switch_activated[e] = 1 
SetActivated(door[e],2)
SetActivated(e,2)
end 
elseif g_Entity[e]['activated'] == 2 then
PromptDuration(prompt2,2000)
if g_Entity[e]['animating'] == 0 and g_Time > switch_delay[e] - (switch_delay_init / 6) then
SetActivated(e,1)
end 
end 
else 
Prompt(prompt3)
end
end

end --door set

end --main(e)

function door_switch_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