roleplay: Initial commit

irc/roleplay.go

@@ -0,0 +1,94 @@
+// Copyright (c) 2016- Daniel Oaks <daniel@danieloaks.net>
+// released under the MIT license
+
+package irc
+
+import (
+	"fmt"
+
+	"github.com/DanielOaks/girc-go/ircmsg"
+)
+
+const (
+	npcNickMask   = "%s!%s@npc.fakeuser.invalid"
+	sceneNickMask = "=Scene=!%s@npc.fakeuser.invalid"
+)
+
+// SCENE <target> <text to be sent>
+func sceneHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
+	target := msg.Params[0]
+	message := msg.Params[1]
+	sourceString := fmt.Sprintf(sceneNickMask, client.nick)
+
+	sendRoleplayMessage(server, client, sourceString, target, false, message)
+
+	return false
+}
+
+// NPC <target> <text to be sent>
+func npcHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
+	target := msg.Params[0]
+	fakeSource := msg.Params[1]
+	message := msg.Params[2]
+	sourceString := fmt.Sprintf(npcNickMask, fakeSource, client.nick)
+
+	sendRoleplayMessage(server, client, sourceString, target, false, message)
+
+	return false
+}
+
+// NPCA <target> <text to be sent>
+func npcaHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
+	target := msg.Params[0]
+	fakeSource := msg.Params[1]
+	message := msg.Params[2]
+	sourceString := fmt.Sprintf(npcNickMask, fakeSource, client.nick)
+
+	sendRoleplayMessage(server, client, sourceString, target, true, message)
+
+	return false
+}
+
+func sendRoleplayMessage(server *Server, client *Client, source string, targetString string, isAction bool, message string) {
+	if isAction {
+		message = fmt.Sprintf("\x01ACTION %s (%s)\x01", message, client.nick)
+	} else {
+		message = fmt.Sprintf("%s (%s)", message, client.nick)
+	}
+
+	target, cerr := CasefoldChannel(targetString)
+	if cerr == nil {
+		channel := server.channels.Get(target)
+		if channel == nil {
+			client.Send(nil, server.name, ERR_NOSUCHCHANNEL, client.nick, targetString, "No such channel")
+			return
+		}
+
+		if !channel.CanSpeak(client) {
+			client.Send(nil, client.server.name, ERR_CANNOTSENDTOCHAN, channel.name, "Cannot send to channel")
+			return
+		}
+
+		for member := range channel.members {
+			if member == client && !client.capabilities[EchoMessage] {
+				continue
+			}
+			member.Send(nil, source, "PRIVMSG", channel.name, message)
+		}
+	} else {
+		target, err := CasefoldName(targetString)
+		user := server.clients.Get(target)
+		if err != nil || user == nil {
+			client.Send(nil, server.name, ERR_NOSUCHNICK, target, "No such nick")
+			return
+		}
+		user.Send(nil, source, "PRIVMSG", user.nick, message)
+		if client.capabilities[EchoMessage] {
+			client.Send(nil, source, "PRIVMSG", user.nick, message)
+		}
+		if user.flags[Away] {
+			//TODO(dan): possibly implement cooldown of away notifications to users
+			client.Send(nil, server.name, RPL_AWAY, user.nick, user.awayMessage)
+		}
+	}
+}