local mc_anm_time_1 = 0
local mc_anm_time_2 = 0
local torch_anm_time = 0
local anm_additional_length = 0


function desable_left_hand_for_seconds(start, duration)

    CreateTimeEvent("liz_inertia_expanded_patches", "on_key_release_start", start, function ()
        liz_inertia_expanded.set_mask_flag(liz_inertia_expanded.mask_layers.anm_plays, true)

        CreateTimeEvent("liz_inertia_expanded_patches", "on_key_release_end", duration, function ()
            liz_inertia_expanded.set_mask_flag(liz_inertia_expanded.mask_layers.anm_plays, false)
            return true
        end)

        return true
    end)
end


function handle_whipe_anm()
	local det_active = db.actor:active_detector() or nil
    if (not db.actor:active_item() and not det_active) then
        desable_left_hand_for_seconds(0, mc_anm_time_1 + mc_anm_time_2)
	else
        desable_left_hand_for_seconds(0, mc_anm_time_1 + mc_anm_time_2 + anm_additional_length)
	end
end


function handle_torch_anm()
	local det_active = db.actor:active_detector() or nil
    if (not db.actor:active_item() and not det_active) then
        desable_left_hand_for_seconds(0, mc_anm_time_1 + torch_anm_time)
	else
        desable_left_hand_for_seconds(0, mc_anm_time_1 + torch_anm_time + anm_additional_length)
	end
end


local originalHMC = actor_effects.Hit_MaskCleaning
actor_effects.Hit_MaskCleaning = function ()
    if (not actor_effects.allow_animation()) or (not actor_effects.is_mask_on()) then
        return
    end
    handle_whipe_anm()
    originalHMC()
end


local originalHTT = actor_effects.Hit_TorchToggle
actor_effects.Hit_TorchToggle = function ()
    if (not actor_effects.allow_animation()) or (not item_device.can_toggle_torch()) then
        return
    end
    handle_torch_anm()
    originalHTT()
end


function actor_on_first_update()
    mc_anm_time_1 = game.get_motion_length("anim_mask_clean", "anm_hide_hand", 1.5) / 1000
    mc_anm_time_2 = game.get_motion_length("anim_mask_clean", "anm_wipe", 1) / 1000
    torch_anm_time = game.get_motion_length("anim_headlamp", "anm_switch", 1) / 1000
    anm_additional_length = 0.5 --0.45 --0.8
end


function on_game_start()
    RegisterScriptCallback("actor_on_first_update", actor_on_first_update)
end