# HG changeset patch
# User Steve Losh <steve@stevelosh.com>
# Date 1313538989 14400
# Node ID fb4326dadfe8a657131aa92520b775bb311c7f59
# Parent  508af48cc605975a3e1ee729b41fa531033546f8
Add an example bot and fix the death event.

diff -r 508af48cc605 -r fb4326dadfe8 src/clojurecraft/in.clj
--- a/src/clojurecraft/in.clj	Mon Aug 15 14:35:32 2011 -0400
+++ b/src/clojurecraft/in.clj	Tue Aug 16 19:56:29 2011 -0400
@@ -141,7 +141,7 @@
 (defn- read-packet-updatehealth [bot conn]
   (let [payload (assoc {}
                        :health (-read-short conn))]
-    (if (= (:health payload) 0)
+    (if (<= (:health payload) 0)
       (events/fire-dead bot))
     payload))
 
diff -r 508af48cc605 -r fb4326dadfe8 src/examples/givebot.clj
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/examples/givebot.clj	Tue Aug 16 19:56:29 2011 -0400
@@ -0,0 +1,58 @@
+(ns examples.givebot
+  (:require [clojure.contrib.string :as s])
+  (:require [clojurecraft.core :as core])
+  (:require [clojurecraft.events :as events])
+  (:require [clojurecraft.actions :as actions]))
+
+(def item-map {"tnt" "46", "lever" "69"})
+(def WANT-RE #"^<(\w+)> i want (\d+)? ?(.+)?$")
+
+(defn- get-item [matches]
+  (get matches 3))
+
+(defn- get-username [matches]
+  (get matches 1))
+
+(defn- get-number [matches]
+  (or (get matches 2) "1"))
+
+(defn- get-numbers
+  "Return a sequence of numbers that add up to the desired number of objects.
+
+  e.g.:
+
+  1 -> [1]
+  64 -> [64]
+  128 -> [64 64]
+  129 -> [64 64 1]"
+  [matches]
+  (loop [number (Integer. (get-number matches))
+         numbers []]
+    (if (<= number 0)
+      numbers
+      (recur (- number 64)
+             (conj numbers (min 64 number))))))
+
+
+(defn- give-string [username item number]
+  (str "/give " username " " item " " number))
+
+(defn- handle-chat [bot message]
+  (let [matches (re-find WANT-RE (s/lower-case message))]
+    (when matches
+      (let [item (item-map (get-item matches))
+            username (get-username matches)
+            numbers (get-numbers matches)]
+        (map #(actions/chat bot (give-string username item %)) numbers)))))
+
+(defn handle-dead [bot]
+  [(actions/chat bot "WHY?!")
+   (actions/respawn bot)])
+
+
+(defn make-givebot [server username]
+  (let [bot (core/connect server username)]
+    (events/add-handler bot :dead #'handle-dead)
+    bot))
+
+