local ui_ref, ui_new_slider, ui_new_checkbox, ui_get, ui_set, client_set_event_callback, entity_get_prop, globals_maxplayers, entity_is_enemy, entity_is_alive, entity_is_dormant, client_userid_to_entindex, ui_is_menu_open = ui.reference, ui.new_slider, ui.new_checkbox, ui.get, ui.set, client.set_event_callback, entity.get_prop, globals.maxplayers, entity.is_enemy, entity.is_alive, entity.is_dormant, client.userid_to_entindex, ui.is_menu_open
local ui_playerlist = ui_ref("PLAYERS", "Players", "Player list")
local ui_resetall = ui_ref("PLAYERS", "Players", "Reset all")
local ui_bodyaim = ui_ref("PLAYERS", "Adjustments", "Override prefer body aim")
local ui_checkbox = ui_new_checkbox("RAGE", "Other", "Body aim if slow-walking")
local ui_slider = ui_new_slider("RAGE", "Other", "Slow-walk threshold", 1, 250, 100)

client_set_event_callback("paint", function(c)
    if ui_get(ui_checkbox) or ui_is_menu_open() then
        for i = 1, globals_maxplayers() do
            if not entity_is_dormant(i) and entity_is_enemy(i) and entity_is_alive(i) then
                ui_set(ui_playerlist, i)
                velocity = { entity_get_prop(i, "m_vecVelocity") }
                velocity2d = math.sqrt(velocity[1]^2 + velocity[2]^2)
                if velocity2d <= ui_get(ui_slider) and velocity2d >= 1 then
                    ui_set(ui_bodyaim, "On")
                else
                    ui_set(ui_bodyaim, "-")
                end
            end
        end
    end
end)

client_set_event_callback("cs_game_disconnected", function(c)
    ui_set(ui_resetall, true)
end)

client_set_event_callback("game_newmap", function(c)
    ui_set(ui_resetall, true)
end)