--smallg
local chat_angle = {}
local chat_range = {}
local max_chat_sounds_num = {}
local sound_num = {}
local current_sound_num = {}
local subtitle = {}
local freeze = {}
local frozen = {}
local played = {}
local reset_on_leave = {}
local state = {}
local volume = {}
local conv_pressed = 0
local current_convo = nil

--load all the global sounds here first
LoadGlobalSound("audiobank\\globalsounds\\sound1.wav",1)
subtitle[1] = "Hello there adventurer"
volume[1] = "3d" --set the volume here ("3d" = gets quieter/louder based on distance - not currently working?)
LoadGlobalSound("audiobank\\globalsounds\\sound2.wav",2)
subtitle[2] = "What? Ogres can't speak!"
volume[2] = 100
LoadGlobalSound("audiobank\\globalsounds\\sound3.wav",3)
subtitle[3] = {} --create new sub array for this sound so we can store multiple lines of subtitles
subtitle[3][1] = "What do you mean Ogres can't speak?"
subtitle[3][2] = "I'm talking right now aren't I?"
volume[3] = "3d"
LoadGlobalSound("audiobank\\globalsounds\\sound4.wav",4)
subtitle[4] = "Well I am a mighty Hero!"
volume[4] = "3d"

function ai_conversation_init_name(e,name)

chat_range[e] = 150 --range when to start the conversation
chat_angle[e] = 35 --angle player needs to be facing to start conversation
freeze[e] = 0 --toggle freezing the player in place for the conversation or not
reset_on_leave[e] = 1 --toggle wether the conversation can be replayed if player leaves and comes back

--set up each character to specify which sounds here, remember to name them in the editor "conversation1" etc
if name == "conversation1" then 
sound_num[e] = 1 --starting global sound slot
max_chat_sounds_num[e] = 2 --maximum number of sounds to play for the entity named "conversation1"
elseif name == "conversation2" then
sound_num[e] = 3 
max_chat_sounds_num[e] = 4
elseif name == "conversation3" then 
sound_num[e] = 1
max_chat_sounds_num[e] = 1
elseif name == "conversation4" then 
sound_num[e] = 2 
max_chat_sounds_num[e] = 4
end 

-- don't change below unless you know what you're doing :)
frozen[e] = 0
played[sound_num[e]] = 0
state[e] = "wait"
end 

function ai_conversation_main(e)

if GetPlayerDistance(e) <= chat_range[e]*1.5 then 
RotateToPlayer(e)
LookAtPlayer(e)
end 

if PlayerLooking(e,chat_range[e],chat_angle[e]) == 1 then 
if state[e] == "wait" then 
Prompt("Talk to the NPC?")
if g_KeyPressE == 1 and conv_pressed == 0 then 
conv_pressed = 1 
current_sound_num[e] = nil
current_convo = nil
state[e] = "talking"
end 
end 
end 
if state[e] == "talking" then 
if current_convo == nil then 
current_convo = e 
end 
if current_sound_num[e] == nil then 
current_sound_num[e] = sound_num[e]
played[current_sound_num[e]] = 0
end 

if current_sound_num[e] <= max_chat_sounds_num[e] then 
if freeze[e] == 1 and frozen[e] == 0 then 
FreezePlayer()
frozen[e] = 1 
end 
if GetGlobalSoundPlaying(current_sound_num[e]) == 0 and played[current_sound_num[e]] == 0 then 
PlayGlobalSound(current_sound_num[e])
if volume[current_sound_num[e]] ~= nil then 
if volume[current_sound_num[e]] == "3d" then 
SetGlobalSoundVolume(current_sound_num[e],101-math.ceil((GetPlayerDistance(e)/75)))
else 
SetGlobalSoundVolume(volume[current_sound_num[e]])
end 
end 
played[current_sound_num[e]] = 1 
elseif GetGlobalSoundPlaying(current_sound_num[e]) == 0 then 
current_sound_num[e] = current_sound_num[e] + 1
played[current_sound_num[e]] = 0
end
if subtitle[current_sound_num[e]] ~= nil then 
if subtitle[current_sound_num[e]][1] ~= nil then 
ypos = 85
line = 1 
repeat 
TextCenterOnX(50,ypos,3,subtitle[current_sound_num[e]][line])
ypos = ypos + 3 
line = line + 1 
until subtitle[current_sound_num[e]][line] == nil 
else 
TextCenterOnX(50,90,3,subtitle[current_sound_num[e]])
end 
end 
if g_KeyPressE == 1 and conv_pressed == 0 then 
conv_pressed = 1 
StopGlobalSound(current_sound_num[e])
current_sound_num[e] = current_sound_num[e] + 1 
played[current_sound_num[e]] = 0
end 
elseif PlayerLooking(e,chat_range[e]*1.5,chat_angle[e]*1.5) == 1 and freeze[e] == 1 and frozen[e] == 1 then 
UnFreezePlayer()
frozen[e] = 0 
state[e] = "wait"
elseif reset_on_leave[e] == 1 then 
if current_convo ~= nil then 
if current_convo == e then 
current_sound_num[e] = sound_num[e]
played[current_sound_num[e]] = 0
current_convo = nil
state[e] = "wait"
end 
end 
end
end
if g_KeyPressE == 0 then 
conv_pressed = 0 
end 

end 


function ai_conversation_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 0
end
else
return 0
end
end
end