init: add workspace files

world/cmd/action/answer.js

@@ -0,0 +1,24 @@
+this.inherits(COMMAND);
+this.command = "answer";
+this.regex = /^(\w+)(?:\s+(\w+))$/;
+this.allow_busy = true;
+this.enter = function (me, objid, par) {
+    var obj = me.find_obj(objid, me.environment);
+
+    if (!obj || !obj.on_answer) return me.notify("你要回答什么？");
+
+    obj.on_answer(me, par);
+}
+
+USER.prototype.send_question = function (npc, list, callbacks) {
+    if (!list || !Array.isArray(list)) return;
+
+    let str = ['<div class="sel">'];
+    for (let i = 0; i < list.length; i++) {
+        if (str.length > 1) str.push('\n');
+        str.push(i + 1, '、', '<cmd cmd="answer ', npc.id, ' ', i + 1, '">', list[i], '</cmd>');
+    }
+    str.push('</div>');
+    this.send(str.join(''));
+    npc.on_answers = callbacks;
+}