local marker = {}
local setting = {}

setting["slowtext"] = false

marker[1] = createMarker(1399.1143798828, -4128.4008789063, 1,"corona", 6.0, 0, 255, 0, 50)
marker[2] = createMarker(1359.2703857422, -4128.2709960938, 75.321502685547, "corona", 13.0, 0, 255, 0, 0)
marker[3] = createMarker(1226.1231689453, -3913.8400878906, 57.632041931152, "corona", 16.0, 0, 255, 0, 0)
marker[4] = createMarker(1352.6397705078, -3855.8037109375, 259.93884277344, "corona", 16.0, 0, 255, 0, 0)
marker[5] = createMarker(1961.2800292969, -3856.6745605469, 89.224143981934, "corona", 13.0, 0, 255, 0, 50)
marker[6] = createMarker(1882.7630615234, -3853.2702636719, 206.26626586914, "corona", 16.0, 0, 255, 0, 0)
marker[7] = createMarker(2521.2473144531, -3758.3637695313, 2.5284581184387, "corona", 16.0, 0, 255, 0, 0)
marker[8] = createMarker(2521.775390625, -3958.671875, 2.5284581184387, "corona", 16.0, 0, 255, 0, 0)
marker[9] = createMarker(2575.3298339844, -3858.7507324219, 17.68745803833, "corona", 16.0, 0, 255, 0, 0)
marker[10] = createMarker(2893.6801757813, -3860.6647949219, 32.618919372559, "corona", 16.0, 0, 255, 0, 0)


local magnet_enabled = false
local magnet

addEventHandler("onClientMarkerHit", marker[1], function(element)
	if(element ~= localPlayer) then return end
	local veh = getPedOccupiedVehicle(localPlayer)
	setElementVelocity(veh, 0, 0, 2)
	setElementRotation(veh,90, 0, 270)
end)

addEventHandler("onClientMarkerHit", marker[2], function(element)
	if(element ~= localPlayer) then return end
	setTimer(function()
		local veh = getPedOccupiedVehicle(localPlayer)
		setElementRotation(veh, 0, 180, 270)
	end, 200, 1)
end)

addEventHandler("onClientMarkerHit", marker[5], function(element)
	if(element ~= localPlayer) then return end
	local veh = getPedOccupiedVehicle(localPlayer)
	setElementSpeed(veh, "kph", getElementSpeed(veh)+120)
end)
addEventHandler("onClientMarkerHit", marker[10], function(element)
	if(element ~= localPlayer) then return end
	local veh = getPedOccupiedVehicle(localPlayer)
	setElementSpeed(veh, "kph", getElementSpeed(veh)+120)
end)
addEventHandler("onClientMarkerHit", marker[6], function(element)
	if(element ~= localPlayer) then return end
	setTimer(function()
		local veh = getPedOccupiedVehicle(localPlayer)
		local x, y,z = getVehicleTurnVelocity(veh, x, y, z)
		setVehicleTurnVelocity(veh, x, y-0.07, z)
	end, 200, 1)
end)
-- MAGNET --
local function magnet_render()
	if(magnet_enabled == true) then
		local veh = getPedOccupiedVehicle(getLocalPlayer())
		local x,y,z = getElementPosition(veh)
		local underx,undery,underz = getPositionUnderTheElement(veh)
		setVehicleGravity(veh,underx - x,undery - y,underz - z)
	end
end


function getPositionUnderTheElement(element)
    local matrix = getElementMatrix (element)
    local offX = 0 * matrix[1][1] + 0 * matrix[2][1] - 1 * matrix[3][1] + matrix[4][1]
    local offY = 0 * matrix[1][2] + 0 * matrix[2][2] - 1 * matrix[3][2] + matrix[4][2]
    local offZ = 0 * matrix[1][3] + 0 * matrix[2][3] - 1 * matrix[3][3] + matrix[4][3]
    return offX,offY,offZ
end

local function enableMagnet()
	if(magnet_enabled == false) then
		magnet_enabled = true
		local veh = getPedOccupiedVehicle(localPlayer)
		local x, y, z = getElementPosition(veh)
		magnet = createObject(1337, x, y, z)
		attachElements(magnet, veh, 0, 0, -1)
		setElementCollisionsEnabled(magnet, false)
		setElementAlpha(magnet, 0)
		addEventHandler("onClientRender", getRootElement(), magnet_render)
	end
end

local function disableMagnet()
	if(magnet_enabled == true) then
		magnet_enabled = false
		removeEventHandler("onClientRender", getRootElement(), magnet_render)
		destroyElement(magnet)
		if(getPedOccupiedVehicle(localPlayer)) then
			setVehicleGravity(getPedOccupiedVehicle(localPlayer), 0, 0, -1)
		end
	end
end

-- SETTINGS RENDER --

addEventHandler("onClientRender", getRootElement(), function()
	local sx, sy = guiGetScreenSize()
	if(setting["slowtext"] == true) or (setting["slowtext"] == "true") then
		dxDrawText("Slow!", sx/2-(30/1920*sx)+2, sy/2+(150/1080*sy)+2, sx/2, sy/2, tocolor(0, 0, 0, 200), 4/1920*sx, "default-bold")
		dxDrawText("Slow!", sx/2-(30/1920*sx), sy/2+(150/1080*sy), sx/2, sy/2, tocolor(255, 0, 0, 200), 4/1920*sx, "default-bold")
	end
--	local veh = getPedOccupiedVehicle(localPlayer)
--	if(veh) then
--		if(isVehicleDamageProof(veh) == false) then
--			setVehicleDamageProof(veh, true)
--		end
--	end
end)

addCommandHandler("setting", function(cmd, param1, param2)
	setting[param1] = param2
end)

-- HIT EVENTS --

addEventHandler("onClientMarkerHit", marker[3], function(element)
	if(element ~= localPlayer) then return end
	enableMagnet()
	setting["slowtext"] = true
	setTimer(function()
		setting["slowtext"] = false
	end, 3000, 1)
end)

addEventHandler("onClientMarkerHit", marker[7], function(element)
	if(element ~= localPlayer) then return end
	enableMagnet()
	setting["slowtext"] = true
	setTimer(function()
		setting["slowtext"] = false
	end, 3000, 1)
end)
addEventHandler("onClientMarkerHit", marker[8], function(element)
	if(element ~= localPlayer) then return end
	enableMagnet()
	setting["slowtext"] = true
	setTimer(function()
		setting["slowtext"] = false
	end, 3000, 1)
end)
addEventHandler("onClientMarkerHit", marker[9], function(element)
	if(element ~= localPlayer) then return end
	disableMagnet()
end)
addEventHandler("onClientMarkerHit", marker[4], function(element)
	if(element ~= localPlayer) then return end
	disableMagnet()
end)

addEventHandler("onClientPlayerWasted", getLocalPlayer(), disableMagnet)

-- ONRESOURCESTART EVENT --

addEventHandler("onClientResourceStart", getResourceRootElement(), function()
	local sound = playSound("http://noneatme.vps20642.alfahosting-vps.de/doa_spin.mp3", true)
	addEventHandler("onClientPlayerRadioSwitch", getLocalPlayer(), cancelEvent)
	setRadioChannel(0)
	setWaterColor(0, 0, 0, 0)
	setSkyGradient(0, 0, 0, 50, 50, 50)
end)

-- SKYCOLOR --
local wr, wg, wb = 1, 1, 1
local curframerate = 1
local wrd, wgd, wbd = false, false, false

addEventHandler("onClientRender", getRootElement(), function()
	if(wr > 0) and (wrd == false)then
		wr = wr+curframerate
		if(wb ~= 1) then
			wb = wb-curframerate
		end
		if(wr > 254) then
			wr = 255
			wrd = true
		end

	elseif(wg > 0) and (wgd == false)then
		wg = wg+curframerate
		wr = wr-curframerate
		if(wg > 254) then
			wg = 255
			wgd = true
		end

	elseif(wb > 0) and (wbd == false)then
		wb = wb+curframerate
		wg = wg-curframerate
		if(wb > 254) then
			wbd = false
			wrd = false
			wgd = false
			wb = 255
			wr = 1
			wg = 1
		end
	end

	setSkyGradient(wr, wg, wb, wr+wg/2, wg+wb/2, wb+wr/2)

end)

-- FUNCTIONS --
function setElementSpeed(element, unit, speed) -- only work if element is moving!
	if (unit == nil) then unit = 0 end
	if (speed == nil) then speed = 0 end
	speed = tonumber(speed)
	local acSpeed = getElementSpeed(element, unit)
	if (acSpeed~=false) then -- if true - element is valid, no need to check again
		local diff = speed/acSpeed
		local x,y,z = getElementVelocity(element)
		setElementVelocity(element,x*diff,y*diff,z*diff)
		return true
	end

	return false
end

function getElementSpeed(element,unit)
	if (unit == nil) then unit = 0 end
	if (isElement(element)) then
		local x,y,z = getElementVelocity(element)
		if (unit=="mph" or unit==1 or unit =='1') then
			return (x^2 + y^2 + z^2) ^ 0.5 * 100
		else
			return (x^2 + y^2 + z^2) ^ 0.5 * 1.61 * 100
		end
	else
		outputDebugString("Not an element. Can't get speed")
		return false
	end
end