function pickup_points_init(e)

end 

function pickup_points_main(e)

end 

function pickup_points_exit(e)

end

weapon_name = {}

function pickup_points_init_name(e,name)
	weapon_name[e] = name
end 

function pickup_points_main(e)
	if GetPlayerDistance(e) < 120 then 
		Prompt(weapon_name[e])
		
	end 

end 

function pickup_points_exit(e)

end 

weapon_name = {}
points = 0 
pressed = 0

function pickup_points_init_name(e,name)
	weapon_name[e] = name
end 

function pickup_points_main(e)
	if GetPlayerDistance(e) < 120 then 
		Prompt("Collect "..weapon_name[e].." for "..g_Entity[e]['health'].." points?")
		if g_KeyPressE == 1 and pressed == 0 then 
			pressed = 1 
			points = points + g_Entity[e]['health']
			Destroy(e)
		end 
	end 
	
	if g_KeyPressE == 0 then 
		pressed = 0 
	end 
	
	
	TextCenterOnX(50,10,4,"Points = "..points)
end 

function pickup_points_exit(e)

end 

function ai_soldier_exit(e)
	points = points + weapon_name[e]
end 

-- 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' 

-- state to ensure user must release E key before can open/close again
door_pressed = 0

function door_points_init(e)
end
	 
function door_points_main(e)
 PlayerDist = GetPlayerDistance(e)
 if (PlayerDist < 100 ) and g_PlayerHealth > 0 then
  GetEntityPlayerVisibility(e)
  if 1 then
   if g_Entity[e]['activated'] == 0 then
    if g_Entity[e]['haskey'] == -1 then
     SetActivated(e,3) --change this to 3
    else
	 if g_Entity[e]['plrvisible'] == 1 then 
      if g_Entity[e]['haskey'] == 1 then 
       Prompt("The door is locked. Press E key to unlock door")
       if g_KeyPressE == 1 then 
        SetActivated(e,3) --change this to 3
       end
      else
       Prompt("The door is locked. Find a key to unlock door")
      end
	 end
    end
		
	--added code
   elseif g_Entity[e]['activated'] == 3 then 
		if GetPlayerDistance(e) < 120 then 
			local points_needed = 1000 
			local unlock_points = (points_needed-points)
			if unlock_points <= 0 then 
				unlock_points = 0 
				Prompt("Spend "..points_needed.." points to unlock the door?")
			else 
				Prompt("You need "..unlock_points.." more to unlock the door")
			end 
			
			if points >= points_needed then 
				if g_KeyPressE == 1 then--and door_pressed == 0 then 
					--door_pressed = 1 
					SetActivated(e,1)
					points = points - points_needed
				end 
			end
		end
		
	--back to stock code
	 else 
	 
    if g_Entity[e]['activated'] == 1 then
     -- door is unlocked and closed
     if g_Entity[e]['plrvisible'] == 1 then 
      Prompt("Press E to open door")
      if g_KeyPressE == 1 and g_Entity[e]['animating'] == 0 and door_pressed == 0 then  
	   SetAnimation(0)
	   PlayAnimation(e)
	   g_Entity[e]['animating'] = 1
       SetActivated(e,2)
	   ActivateIfUsed(e)
       PlaySound(e,0)
	   StartTimer(e)
	   g_Entity[e]['timer'] = g_Time
	   door_pressed = 1
	  end
	 end
    else
     if g_Entity[e]['activated'] == 2 then
	  -- door is open
	  if g_Entity[e]['plrvisible'] == 1 then 
 	   if g_KeyPressE == 1 and g_Entity[e]['animating'] == 0 and door_pressed == 0 then
 	    SetAnimation(1)
	    PlayAnimation(e)
 	    g_Entity[e]['animating'] = 1
        SetActivated(e,1)
        PlaySound(e,1)
        CollisionOn(e)
	    door_pressed = 1
	   end
	  end
	 end
    end
   end
  end
 end
 if g_Entity[e]['activated'] == 2 then
  -- door collision off after 1 second
  if GetTimer(e)>1000 then
   CollisionOff(e)
  end
 end
 if g_KeyPressE == 0 then 
  door_pressed = 0
 end
 --PromptLocal ( e, "activated=" .. g_Entity[e]['activated'] .. "PlayerDist=" .. PlayerDist .. " plrvisible=" .. g_Entity[e]['plrvisible'] ..  " haskey=" .. g_Entity[e]['haskey']  )
end

points = 0

--don't forget to set your entity to always active = yes 
function show_points_init(e)
	--hide and stop player from bumping into our object
	--*because it's always active it may be best to use a low poly object*
	Hide(e)
	CollisionOff(e)
end 

function show_points_main(e)

	--simply show the points on screen at all times
	TextCenterOnX(50,10,4,"You have "..points.." points")
	
	
	--after 1 every second add 1 point to player's total
	if GetTimer(e) > 1000 then 
		StartTimer(e) --resets the timer to start counting from 0 again
		points = points + 1 
	end 
	
end

--custom function included here as this script is always active and we will be using this function a lot
--for other scripts
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 shop_keeper_init_name(e,name)
	--store the string to show on screen in the entity's name property
	weapon_name[e] = name 
end 

function shop_keeper_main(e)
	--if player is nearby then show the text
	if GetPlayerDistance(e) < 200 then 
		PromptLocal(e,weapon_name[e])
	end 
	
end 

local points_needed = {}
pressed = 0 

function shop_weapon_init_name(e,name)
	--the numbers in the array (in square brackets [ ]) are the entity numbers used
	--the numbers after the equals are the points cost
	points_needed[21] = 100
	points_needed[57] = 400
	points_needed[58] = 200
	weapon_name[e] = name
end 

function shop_weapon_main(e)

	--using a function to check if the player is looking at the object
	--don't forget to include the function in the your game if you aren't using show_points.lua
	if PlayerLooking(e,100,5) == 1 then
		--check player has enough (or more points)
		if points >= points_needed[e] then 
			PromptLocal(e,"Spend "..points_needed[e].." points for "..weapon_name[e].."?")
			--player confirms purchasing weapon 
			if g_KeyPressE == 1 and pressed == 0 then 
				pressed = 1 
				--remove points (cost) from player total 
				points = points-points_needed[e]
				AddPlayerWeapon(e)
				Destroy(e)
				PlaySound(e,0)
			end 
				
		else --player doesn't have enough points so show him how many more he needs
			PromptLocal(e,"You need "..points_needed[e]-points.." more points for the "..weapon_name[e])
		end 
		
		if g_KeyPressE == 0 then 
			pressed = 0 
		end 
	end 

end 

local points_needed = {}
pressed = 0 
function shop_ammo_init_name(e,name)
	points_needed[59] = 50
	weapon_name[e] = name
end 

function shop_ammo_main(e)

	if PlayerLooking(e,100,5) == 1 then 
		if points >= points_needed[e] then 
			PromptLocal(e,"Spend "..points_needed[e].." points for "..weapon_name[e].."?")
			if g_KeyPressE == 1 and pressed == 0 then 
				pressed = 1 
				points = points-points_needed[e]
				AddPlayerAmmo(e)
				Destroy(e)
				PlaySound(e,0)
			end 
				
		else 
			PromptLocal(e,"You need "..points_needed[e]-points.." more points for the "..weapon_name[e])
		end 
		if g_KeyPressE == 0 then 
			pressed = 0 
		end 
	end 

end 

local points_needed = {}
pressed = 0 
function shop_health_init_name(e,name)
	points_needed[e] = 300
	--points_needed[61] = 300
	weapon_name[e] = name
end 

function shop_health_main(e)

	if PlayerLooking(e,100,5) == 1 then 
		if points >= points_needed[e] then 
			PromptLocal(e,"Spend "..points_needed[e].." points for "..weapon_name[e].."?")
			if g_KeyPressE == 1 and pressed == 0 then 
				pressed = 1 
				points = points-points_needed[e]
				AddPlayerHealth(e)
				Destroy(e)
				PlaySound(e,0)
			end 
				
		else 
			PromptLocal(e,"You need "..points_needed[e]-points.." more points for the "..weapon_name[e])
		end 
		if g_KeyPressE == 0 then 
			pressed = 0 
		end 
	end 

end 

function shop_health_exit(e)

end