--[[
================
Script Variables
================
--]]
local towTruck = {
    handle      = nil,
    hash        = nil,

    model       = "towtruck2", -- 50's tow truck
    color       = {128, 235, 90},

    position    = {249.138150, 2600.628000, 44.709800},
    rotation    = {0.410125, 1.653700, -35.268880},
}

--[[
================
Script Functions
================
--]]
function init_towtruck()
    -- make sure hash is initialized
    if towTruck.hash == nil then
        towTruck.hash = GAMEPLAY.GET_HASH_KEY(towTruck.model)
    end
    if towTruck.handle == nil then
        STREAMING.REQUEST_MODEL(towTruck.hash)

        local pos = towTruck.position
        local rot = towTruck.rotation

        local numTicks = 0
        local loadFailed = false

        while not STREAMING.HAS_MODEL_LOADED(towTruck.hash) do
            if numTicks > 250 then
                loadFailed = true
                break
            else
                numTicks = numTicks + 1
            end
        end

        if loadFailed then
            print "Tow truck failed to spawn!!!"
            return
        end

        -- create towtruck
        towTruck.handle = VEHICLE.CREATE_VEHICLE(towTruck.hash, pos[1], pos[2], pos[3], 0.0, false, true)

        -- setup rotation
        ENTITY.SET_ENTITY_ROTATION(towTruck.handle, rot[1], rot[2], rot[3], 2, true)

        -- make sure no other tow trucks spawn (we don't want any competition :P)
        VEHICLE.SET_VEHICLE_MODEL_IS_SUPPRESSED(towTruck.hash, true)
    end
end

function unload_towtruck()
    if towTruck.handle ~= nil then
        -- we must assume the hash has not been screwed with
        VEHICLE.SET_VEHICLE_MODEL_IS_SUPPRESSED(towTruck.hash, false)
        --STREAMING.SET_MODEL_AS_NO_LONGER_NEEDED(towTruck.hash)
        ENTITY.SET_VEHICLE_AS_NO_LONGER_NEEDED(towTruck.handle)
        VEHICLE.DELETE_VEHICLE(towTruck.handle)

        -- TEMPORARY HACK!!!
        towTruck.handle = nil
        towTruck.hash = nil
    end
end