NpcHandler:onThink()

npchandler.lua

-- Handles onThink events. If you wish to handle this yourself, please use the CALLBACK_ONTHINK callback.
  function NpcHandler:onThink()
    local callback = self:getCallback(CALLBACK_ONTHINK)
    if callback == nil or callback() then
      for i, speech in pairs(self.talkDelay) do
        if (speech.cid == nil or speech.cid == 0) and speech.time ~= nil and speech.message ~= nil then
          if os.mtime() >= speech.time then
            selfSay(speech.message)
            self.talkDelay[i] = nil
          end
        elseif isCreature(speech.cid) and speech.start ~= nil and speech.time ~= nil and speech.message ~= nil then
          if os.mtime() >= speech.time then
            local talkStart = (NPCHANDLER_CONVBEHAVIOR ~= CONVERSATION_DEFAULT and self.talkStart[speech.cid] or self.talkStart)
            if speech.force or (self:isFocused(speech.cid) and talkStart == speech.start) then
              if NPCHANDLER_CONVBEHAVIOR ~= CONVERSATION_DEFAULT then
                selfSay(speech.message, speech.cid)
              else
                selfSay(speech.message)
              end
            end

            self.talkDelay[i] = nil
          end
        else
          self.talkDelay[i] = nil
        end
      end

      if self:processModuleCallback(CALLBACK_ONTHINK) then
        if NPCHANDLER_CONVBEHAVIOR ~= CONVERSATION_DEFAULT then
          for _, focus in pairs(self.focuses) do
            if focus ~= nil then
              if not self:isInRange(focus) then
                self:onWalkAway(focus)
              elseif (os.time() - self.talkStart[focus]) > self.idleTime then
                self:unGreet(focus)
              else
                self:updateFocus()
              end
            end
          end
        elseif self.focuses ~= 0 then
          if not self:isInRange(self.focuses) then
            self:onWalkAway(self.focuses)
          elseif (os.time() - self.talkStart) > self.idleTime then
            self:unGreet(self.focuses)
          else
            self:updateFocus()
          end
        end
      end
    end
  end