-- an example to show how to make a variable to track the state of Show(e) and Hide(e)
-- scripted by perelect. 13.01.2016

local item_visibility = 0  -- a new variable created and set to zero (you can use any name you like, as long as it does not already exist.
local onetime = 0
local PlayerDist

function collectable_init(e)
  
end

function collectable_main(e)
	
	PlayerDist = GetPlayerDistance(e)
	
	-- every time you use Show(e) or Hide(e) use a variable to track it.
	-- So here if the player is greater than 2000 units away from the item the item is hidden.
	if PlayerDist > 2000 and g_Entity[e]['collected'] == 0 then
		Hide(e) -- every time you set Hide(e) set thee item_visibility as well, to track its state.
		CollisionOff(e) -- when you hide an object turn collision off, if needed
		item_visibility = 0 -- you can use this variable to check if the item is visible. 0 is hidden.
		onetime = 0
	end
	
	-- So here if the player is less than 1000 units away from the item the item is visible.
	if PlayerDist < 1000 and g_Entity[e]['collected'] == 0 then
		Show(e) -- every time you set Show(e) set thee item_visibility as well, to track its state.
		CollisionOn(e) -- when you show an object turn collision on.
		item_visibility = 1 -- you can use this variable to check if the item is visible. 1 is visible.
	end
	
	-- This is just an example of how you would use the item_visibility.
	-- if the item is visible it plays a sound
	if item_visibility == 1 then
		if onetime == 0 then
			PlaySound(e,0)
			onetime = 1
		end
	end
	
	if PlayerDist < 100 and g_Entity[e]['collected'] == 0 then
		Prompt("Press E to pick up item")
		if g_KeyPressE == 1 then
			PromptDuration("Item collected",2000)
			PlaySound(e,0)
			Collected(e)
			ActivateIfUsed(e)
			Destroy(e)
			item_visibility = 0
			
		end
	end
			
end

-- an example to show how to make a variable to track the state of Show(e) and Hide(e)
-- scripted by perelect. 13.01.2016
-- any object with this script assigned to it will be controlled by the global variable item_group_one, all at the same time.
 
-- In this example item_group_one is a global variable. This variable can be set from any script.
-- global variables
item_group_one = 0 -- this is a global variable that is accessible by all scripts, created in this script and set to zero. 
item_group_two = 0 -- this is a global variable that is accessible by all scripts, created in this script and set to zero.
item_visibility = {} -- this is now an array.

-- local variables 
local onetime = 0 -- this is a 'local' variable that only works within this script. the word 'local' at the start defines it as a local.
local PlayerDist

function collectable_2_init(e)
 
 item_visibility[e] = 0 -- This sets the initial value of the variable to zero and binds it to the entity e that has this script.
end

function collectable_2_main(e)
	
	PlayerDist = GetPlayerDistance(e)
	
	-- every time you use Show(e) or Hide(e) use a variable to track it.
	-- So here item_group_one is zero so it will hide the object.
	-- You can set the value of item_group_one from any other script, because it is a global variable
	if item_group_one == 0 then
		Hide(e) -- every time you set Hide(e) set thee item_visibility as well, to track its state.
		CollisionOff(e) -- when you hide an object turn collision off, if needed
		item_visibility[e] = 0 -- you can use this variable to check if the item is visible. 0 is hidden.
		onetime = 0
	end
	
	-- So here item_group_one is one so it will show the object.
	if item_group_one == 1 then
		Show(e) -- every time you set Show(e) set thee item_visibility as well, to track its state.
		CollisionOn(e) -- when you show an object turn collision on.
		item_visibility[e] = 1 -- you can use this variable to check if the item is visible. 1 is visible.
	end
	
	-- This is just an example of how you would use the item_visibility.
	-- if the item is visible it plays a sound
	if item_visibility[e] == 1 then
		if onetime == 0 then
			PlaySound(e,0)
			onetime = 1
		end
	else
		-- this is an if, then, else case
		-- the item is not visible. ie: item_visibility = 0
                -- this section is the same as using... 
                --   if item_visibility[e] == 0 then
                       --     do nothing
                --  end
		
	end
	
	
	if PlayerDist < 100 and g_Entity[e]['collected'] == 0 then
		Prompt("Press E to pick up item")
		if g_KeyPressE == 1 then
			PromptDuration("Item collected",2000)
			PlaySound(e,0)
			Collected(e)
			ActivateIfUsed(e)
			Destroy(e)
			item_visibility[e] = 0
			
		end
	end
	--Prompt(item_group_one.." : "..g_Entity[e]['activated'])		
end