local ui_set_callback, ui_set_visible, globals_absoluteframetime, globals_frametime, globals_tickinterval, get_prop, ui_get, sqrt, sin, cos, get_local_player, get_all_players, get_player_name, get_screen_size, draw_text, client_console_cmd, client_delay_call, get_player_name, get_classname, get_local_player, globals_realtime, globals_tickcount = ui.set_callback, ui.set_visible, globals.absoluteframetime, globals.frametime, globals.tickinterval, entity.get_prop, ui.get, math.sqrt, math.sin, math.cos, entity.get_local_player, entity.get_players, entity.get_player_name, client.screen_size, client.draw_text, client.exec, client.delay_call, entity.get_player_name, entity.get_classname, entity.get_local_player, globals.realtime, globals.tickcount
local table_insert, table_remove, math_floor, math_sqrt, math_min, math_abs  = table.insert, table.remove, math.floor, math.sqrt, math.min, math.abs
local entity_is_enemy, entity_is_alive, entity_is_dormant = entity.is_enemy, entity.is_alive, entity.is_dormant
local ui_new_checkbox, ui_new_slider, ui_new_combobox, ui_new_multiselect = ui.new_checkbox, ui.new_slider, ui.new_combobox, ui.new_multiselect
local getvar, setvar = client.get_cvar, client.set_cvar

--added
local client_visible, client_trace_bullet, client_eye_position, entity_hitbox_position = client.visible , client.trace_bullet, client.eye_position, entity.hitbox_position


local disable_oof = ui_new_checkbox("LUA", "A", "Disable AA OOF")
local oof_yaw = ui_new_combobox("LUA", "A", "OOF Yaw", "180", "Spin", "Static", "180 Z", "Crosshair")
local oof_pitch = ui_new_combobox("LUA", "A", "OOF Pitch", "Default", "Up", "Down", "Minimal", "Random")
local oof_fakelag = ui_new_checkbox("LUA", "A", "OOF Fakelag")
local oof_fov = ui_new_slider("LUA", "A", "FOV to enable", 0, 180)
--added
local oof_mode = ui_new_combobox("LUA", "A", "OOF Mode", "Nothing Special", "Vischeck", "Bullettrace Owner", "Bullettrace Enemy")

local yawaa, yaw_saa = ui.reference("AA", "Anti-aimbot angles", "Yaw")
local pitchaa = ui.reference("AA", "Anti-aimbot angles", "Pitch")
local fakelagaa = ui.reference("AA", "Fake lag", "Enabled")
require ('vector3')

--hitbox indexes by sapphyrus
--[[
    hitbox_head = 0,
    hitbox_neck = 1,
    hitbox_pelvis = 2,
    hitbox_spine_0 = 3,
    hitbox_spine_1 = 4,
    hitbox_spine_2 = 5,
    hitbox_spine_3 = 6,
    hitbox_leg_upper_L = 7,
    hitbox_leg_upper_R = 8,
    hitbox_leg_lower_L = 9,
    hitbox_leg_lower_R = 10,
    hitbox_ankle_L = 11,
    hitbox_ankle_R = 12,
    hitbox_hand_L = 13,
    hitbox_hand_R = 14,
    hitbox_arm_upper_L = 15,
    hitbox_arm_lower_L = 16,
    hitbox_arm_upper_R = 17,
    hitbox_arm_lower_R = 18,
]]--

local function runMenuThings()
	ui_set_visible(oof_yaw, ui_get(disable_oof))
	ui_set_visible(oof_pitch, ui_get(disable_oof))
	ui_set_visible(oof_fakelag, ui_get(disable_oof))
	ui_set_visible(oof_fov, ui_get(disable_oof))
	--added
	ui_set_visible(oof_mode, ui_get(disable_oof))
end

runMenuThings()


local function run_cmd()
	if not (ui_get(disable_oof)) then
		return
	end



	local local_player = get_local_player()

	if local_player == nil or not entity.is_alive(local_player) then
		return
	end

	local v_origin_local = Vector3(get_prop(local_player, "m_vecAbsOrigin"))
	if v_origin_local.x == nil then
		return
	end

	local players = get_all_players(true)
	--renamed
	local result = false
	local pitch, yaw, roll = client.camera_angles()
	local cam_angle = Vector3(pitch, yaw, 0)

	local fov = ui_get(oof_fov)

	for i=1, #players do
		local entindex = players[i]
		if entity_is_enemy(entindex) and entity_is_alive(entindex) and not entity_is_dormant(entindex) then
			local v_origin_enemy = Vector3(entity.get_prop(entindex, "m_vecOrigin"))
			local cur_fov = get_FOV(cam_angle, v_origin_local, v_origin_enemy)
			if cur_fov < fov then
				if ui_get(oof_mode) == "Nothing Special" then
					result = true
				elseif ui_get(oof_mode) == "Vischeck" then
					for j  = 0, 18 do -- could be reduced to improve performance
						local hitbox_x, hitbox_y, hitbox_z = entity_hitbox_position(entindex, j)
						if client_visible(hitbox_x, hitbox_y, hitbox_z) then
							result = true
							break
						end
					end
				elseif ui_get(oof_mode) == "Bullettrace Owner" then
					local own_x, own_y, own_z = client_eye_position()
					for j  = 0, 18 do -- could be reduced to improve performance
						local hitbox_x, hitbox_y, hitbox_z = entity_hitbox_position(entindex, j)
						local enemyhit, damage = client_trace_bullet(local_player, own_x, own_y, own_z, hitbox_x, hitbox_y, hitbox_z)
						if enemyhit ~= nil then
							result = true
							break
						end
					end
				elseif ui_get(oof_mode) == "Bullettrace Enemy" then
					local enemy_x, enemy_y, enemy_z = entity_hitbox_position(entindex, 0) --not sure if that works like eye pos for the enemy
					for j  = 0, 18 do -- could be reduced to improve performance
						local hitbox_x, hitbox_y, hitbox_z = entity_hitbox_position(local_player, j)
						local ownerhit, damage = client_trace_bullet(entindex, enemy_x, enemy_y, enemy_z, hitbox_x, hitbox_y, hitbox_z)
						if ownerhit ~= nil then
							result = true
							break
						end
					end
				end
				-- didn't see a reason to store any of that information
				--fov = cur_fov
				--closestplayer = entindex
			end
		end
	end

	if result then
		ui.set(yawaa, ui_get(oof_yaw))
		ui.set(fakelagaa, ui_get(oof_fakelag))
		ui.set(pitchaa, ui_get(oof_pitch))
	else
		ui.set(yawaa, "Off")
		ui.set(fakelagaa, false)
		ui.set(pitchaa, "Off")
	end

end


ui.set_callback(disable_oof, function()
	runMenuThings()
	if not (ui_get(disable_oof)) then
		ui.set(yawaa, ui_get(oof_yaw))
		ui.set(fakelagaa, ui_get(oof_fakelag))
		ui.set(pitchaa, ui_get(oof_pitch))
	end
end)

client.set_event_callback("run_command", run_cmd)