--how close player can get before angels become active (start moving)
local active_range = 500
--effects how far away player is looking from angel before he's considered "not looking" at them
local player_view_angle = 50 
--how fast the angels move forward (they only move forward when they can see the player)
local move_speed = 175
--how fast the angel will rotate to face the player if he's not looking at them
local rotate_speed = 8
--how much damage per hit
local damage = 10
--delay until sound is played (also delay between sound replay)
--sound is slot 1
local sound_delay = 1000
--how close player needs to be to get attacked (also not visible)
local attack_range = 100
--how long between attacks
local attack_delay = 500

local attack_delay_init = attack_delay
local sound_delay_init = sound_delay

function angels_init(e)

end

function angels_main(e)
CollisionOff(e)
StopAnimation(e)

if GetPlayerDistance(e) <= active_range then
player_view_angle = 70 
if PlayerLooking(e,active_range,player_view_angle) ~= 1 then
LookAtPlayer(e)
if GetPlayerDistance(e) >= active_range / 2 then
RotateToPlayerSlowly(e,rotate_speed)
else
RotateToPlayer(e)
end

if GetPlayerDistance(e) <= attack_range then
if GetTimer(e) > attack_delay and PlayerLooking(e,active_range,player_view_angle) ~= 1 then
HurtPlayer(e,damage)
attack_delay = GetTimer(e) + attack_delay_init
end
if GetTimer(e) > sound_delay then
PlaySound(e,1)
sound_delay = GetTimer(e) + sound_delay_init
end
else
MoveForward(e,move_speed)
sound_delay = GetTimer(e) + (sound_delay_init / 2)
attack_delay = GetTimer(e) + attack_delay_init
end

end
end

CollisionOn(e)
end

function angels_exit(e)

end



function PlayerLooking(e,dis,v)
if g_Entity[e] ~= nil then
if dis == nil then
dis = 3000
end
if v == nil then
v = 0.5
end
if GetPlayerDistance(e) <= dis then
local destx = g_Entity[e]['x'] - g_PlayerPosX
local destz = g_Entity[e]['z'] - g_PlayerPosZ
local angle = math.atan2(destx,destz)
angle = angle * (180.0 / math.pi)

if angle <= 0 then
angle = 360 + angle
elseif angle > 360 then
angle = angle - 360
end
while g_PlayerAngY < 0 or g_PlayerAngY > 360 do
if g_PlayerAngY <= 0 then
g_PlayerAngY = 360 + g_PlayerAngY
elseif g_PlayerAngY > 360 then
g_PlayerAngY = g_PlayerAngY - 360
end
end
local L = angle - v
local R = angle + v
if L <= 0 then
L = 360 + L 
elseif L > 360 then
L = L - 360
end
if R <= 0 then
R = 360 + R
elseif R > 360 then
R = R - 360
end

if (L < R and math.abs(g_PlayerAngY) > L and math.abs(g_PlayerAngY) < R) then
return 1
elseif (L > R and (math.abs(g_PlayerAngY) > L or math.abs(g_PlayerAngY) < R)) then
return 1
else
return -1000
end
else
return 1
end
end
end