From 0539dde67b82d8bac5663f956ee7a3dc455fff22 Mon Sep 17 00:00:00 2001
From: Zach Latta <zach@zachlatta.com>
Date: Sun, 6 Mar 2016 08:00:49 -0500
Subject: Make it so you can exit games

---
 game.go | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/game.go b/game.go
index 6484242..28379b4 100644
--- a/game.go
+++ b/game.go
@@ -42,7 +42,7 @@ func (h *Hub) Run(g *Game) {
 			h.Sessions[s] = struct{}{}
 		case s := <-h.Unregister:
 			if _, ok := h.Sessions[s]; ok {
-				fmt.Fprint(s, "End of line.\r\n\r\n")
+				fmt.Fprint(s, "\r\n\r\n~ End of Line ~ \r\n\r\n")
 
 				// Unhide the cursor
 				fmt.Fprint(s, "\033[?25h")
@@ -300,6 +300,9 @@ const (
 	keyJ = 'j'
 	keyK = 'k'
 	keyL = 'l'
+
+	keyCtrlC  = 3
+	keyEscape = 27
 )
 
 type GameManager struct {
@@ -364,6 +367,12 @@ func (gm *GameManager) Run() {
 						session.Player.HandleDown()
 					case keyD, keyL:
 						session.Player.HandleRight()
+					case keyCtrlC, keyEscape:
+						if g.SessionCount() == 1 {
+							delete(gm.Games, g.Name)
+						}
+
+						g.RemoveSession(session)
 					}
 				}
 			}()
@@ -609,6 +618,10 @@ func (g *Game) AvailableColors() []color.Attribute {
 	return availableColors
 }
 
+func (g *Game) SessionCount() int {
+	return len(g.hub.Sessions)
+}
+
 func (g *Game) Run() {
 	// Proxy g.Redraw's channel to g.hub.Redraw
 	go func() {
@@ -698,6 +711,10 @@ func (g *Game) AddSession(s *Session) {
 	g.hub.Register <- s
 }
 
+func (g *Game) RemoveSession(s *Session) {
+	g.hub.Unregister <- s
+}
+
 type Session struct {
 	c ssh.Channel
 
-- 
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