voiceModule.lua

-- VoiceModule
VoiceModule = {
   voices = nil,
   voiceCount = 0,
   lastVoice = 0,
   timeout = nil,
   chance = nil,
   npcHandler = nil
}

-- Creates a new instance of VoiceModule
function VoiceModule:new(voices, timeout, chance)
   local obj = {}
   setmetatable(obj, self)
   self.__index = self

   obj.voices = voices
   for i = 1, #obj.voices do
       if obj.voices[i].yell then
           obj.voices[i].yell = nil
           obj.voices[i].talktype = TALKTYPE_YELL
       else
           obj.voices[i].talktype = TALKTYPE_SAY
       end
   end

   obj.voiceCount = #voices
   obj.timeout = timeout or 5
   obj.chance = chance or 90
   return obj
end

function VoiceModule:init(handler)
   return true
end

function VoiceModule:callbackOnThink()
   if self.lastVoice < os.time() then
       self.lastVoice = os.time() + self.timeout
       if math.random(100) < self.chance  then
           local voice = self.voices[math.random(self.voiceCount)]
           Npc():say(voice.text, voice.talktype)
       end
   end
   return true
end