-- LUA Script - precede every function and global member with lowercase name of script + '_main'
local U = require "scriptbank\\utillib"

local rad = math.rad
local deg = math.deg

g_handIcon = g_handIcon or nil
g_handOn   = g_handOn or {}

local lamp_collected = nil
local lamp_light = nil

function lamp_init( e )
	lamp_collected = nil
end

local handSize     = 15
local handOn   = g_handOn

local collectTimer = {}

g_disableWeapon = g_disableWeapon or nil

function PU_GetEntityCarried()
	return g_disableWeapon
end	

function LampAddLight( lightId )
	lamp_light = lightId
end

local keyOrMousePressed = {}
local lpX, lpY, lpZ = 0, 0, 0
local lampState = 'idle'
local FlashOn = true

function lamp_main( e )
	
	if g_handIcon == nil then 
		g_handIcon = CreateSprite( LoadImage( "scriptbank\\pickuppable\\hand1.png" ) )
		SetSpriteOffset  ( g_handIcon, -1 , handSize / 2 )
		SetSpriteSize    ( g_handIcon, -1 , handSize )
		SetSpriteDepth   ( g_handIcon, 0 )
		SetSpritePosition( g_handIcon, 250, 250 )
		handOn[ e ] = false
	end
	
	if lamp_collected == nil then
		if U.PlayerLookingNear( e, 100, 20 ) then
	    
			if not handOn[ e ] then
				SetSpritePosition( g_handIcon, 50, 50 )
				handOn[ e ] = true
				g_disableWeapon = true
				return
			end
			if ( g_MouseClick == 1 or g_KeyPressE == 1 ) and not keyOrMousePressed[ e ] then
				keyOrMousePressed[ e ] = true
				PlaySound( e, 0 )
				Hide( e )
				lamp_collected = e
				if GetGamePlayerStateFlashlightControl() == 0 then
					SetGamePlayerStateFlashlightControl( 0.2 )
				end

				CollisionOff( e )
				collectTimer[ e ] = g_Time + 200
			end
			
		elseif handOn[ e ] then
			handOn[ e ] = false
			SetSpritePosition( g_handIcon, 250, 250 )
			for _, v in pairs( handOn ) do
				if v then return end
			end
			g_disableWeapon = nil
		end
	
	elseif 
	   lamp_collected == e then
			
		if FlashOn then
			-- if lamp selected then position entity relative to player and show it
			local pX, pY, pZ = g_PlayerPosX, g_PlayerPosY + 31, g_PlayerPosZ
			if GetGamePlayerStatePlayerDucking() == 1 then pY = pY - 10 end
			local aX, aY, aZ = rad( g_PlayerAngX ), rad( g_PlayerAngY ), rad( g_PlayerAngZ )
	   
			local XO, YO, ZO = U.Rotate3D ( 15, -5, 20, aX, aY, aZ )
			local lx, ly, lz = pX + XO, pY + YO, pZ + ZO
			lpX = ( lpX + lx ) / 2
			lpY = ( lpY + ly ) / 2
			lpZ = ( lpZ + lz ) / 2
			
			CollisionOff( e )
			ResetPosition( e, lpX, lpY, lpZ )
			ResetRotation( e, 0, deg( aY), 0 ) 
			Show( e )
			-- CollisionOn( e )
		
			-- wobble lamp when walking
			
			-- if dynamic light associated with lamp position it
			if lamp_light ~= nil then
				SetLightRange( lamp_light, 400 )
				SetLightPosition( lamp_light, lpX, lpY, lpZ )
				local xv, yv, zv = U.Rotate3D( 0, 0, 1, 0, aY, 0 )
				SetLightAngle( lamp_light, xv, yv, zv )
			end
			
			if GetGamePlayerStateFlashlightControl() == 1 then
				SetGamePlayerStateFlashlightControl( 0.2 )
			end
	
			-- handle flicker of lighting
		else
			if lamp_light ~= nil then
				SetLightRange( lamp_light, 0 )
			end
			CollisionOff( e )
			Hide( e )
		end
--		Prompt( "Lamp : " .. g_PlayerFlashlight )

	elseif lamp_light ~= nil then
		SetLightRange( lamp_light, 0 )
	end
	
	if collectTimer[ e ] ~= nil and 
	   g_Time > collectTimer[ e ] then
		handOn[ e ] = false
		keyOrMousePressed[ e ] = false
		for _, v in pairs( handOn ) do
			if v then return end
		end	
	    SetSpritePosition( g_handIcon, 250, 250 )
		g_disableWeapon = nil
		collectTimer[ e ] = nil
	end
end