src/clojurecraft/events.clj @ 7aa6da5b1d8b
Factor out the loop stuff into its own namespace/file.
author |
Steve Losh <steve@stevelosh.com> |
date |
Fri, 26 Aug 2011 18:09:25 -0400 |
parents |
1e03d5cc372b |
children |
4c1055d72377 |
(ns clojurecraft.events
(:use [clojurecraft.actions :only [handle-action-group]]))
; Event Handlers -------------------------------------------------------------------
(defn- fire-handler [bot event-type & args]
(let [action-groups (map #(apply (deref %) (into [bot] args))
(event-type @(:event-handlers bot)))]
(dorun (map handle-action-group (cycle [bot]) action-groups))))
(defn fire-chat [bot message]
(fire-handler bot :chat message))
(defn fire-dead [bot]
(fire-handler bot :dead))
(defn add-handler [bot event-type handler]
(dosync
(let [current-handlers (event-type @(:event-handlers bot))
updated-handlers (conj current-handlers handler)]
(alter (:event-handlers bot) assoc event-type updated-handlers))))
(defn clear-handlers [bot event-type]
(dosync (alter (:event-handlers bot) dissoc event-type)))
; Loops ----------------------------------------------------------------------------
(defn- run-loop [bot function sleep-ms loop-id]
(while (and (nil? (:exit @(:connection bot)))
(@(:loops bot) loop-id))
(handle-action-group bot ((deref function) bot))
(Thread/sleep sleep-ms))
(dosync (alter (:loops bot) dissoc loop-id)))
(defn remove-loop [bot loop-id]
(dosync (alter (:loops bot) assoc loop-id nil)))
(defn add-loop [bot function sleep-ms loop-id]
(dosync (alter (:loops bot) assoc loop-id :running))
(.start (Thread. #(run-loop bot function sleep-ms loop-id))))