From 090b6d62acbe03c139f4dcb96d86402c03d25fc3 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Mon, 20 May 2013 16:39:40 -0400
Subject: Start implementing game loop.

---
diff --git a/src/game.c b/src/game.c
index c6edaf5..9b66d1a 100644
--- a/src/game.c
+++ b/src/game.c
@@ -5,6 +5,9 @@
 #include "player.h"
 
 static void draw_paddles(struct game *g);
+static void wait(struct game *g);
+static void input(struct game *g);
+static void draw(struct game *g);
 
 struct game *
 new_game(void)
@@ -32,7 +35,53 @@ free_game(struct game *g)
 }
 
 void
-draw_game(struct game *g)
+run_game(struct game *g)
+{
+	g->running = 1;
+
+	while (g->running) {
+		wait(g);
+		input(g);
+		draw(g);
+	}
+}
+
+static void
+wait(struct game *g)
+{
+	g->running = 1;
+}
+
+static void
+input(struct game *g)
+{
+	int c;
+
+	timeout(0);
+	for (;;) {
+		c = getch();
+		if (c == 'q') {
+			g->running = 0;
+		} else if (c == ERR) {
+			break;
+		} else if (c == KEY_LEFT) {
+			g->players[0]->paddle_h.pos -=
+				g->players[0]->paddle_h.speed;
+		} else if (c == KEY_RIGHT) {
+			g->players[0]->paddle_h.pos +=
+				g->players[0]->paddle_h.speed;
+		} else if (c == KEY_UP) {
+			g->players[0]->paddle_v.pos -=
+				g->players[0]->paddle_v.speed;
+		} else if (c == KEY_DOWN) {
+			g->players[0]->paddle_v.pos +=
+				g->players[0]->paddle_v.speed;
+		}
+	}
+}
+
+static void
+draw(struct game *g)
 {
 	draw_paddles(g);
 }
diff --git a/src/game.h b/src/game.h
index f404ff0..9a0f096 100644
--- a/src/game.h
+++ b/src/game.h
@@ -5,10 +5,11 @@
 
 struct game {
 	struct player *players[2];
+	char running;
 };
 
 struct game *new_game(void);
 void free_game(struct game *g);
-void draw_game(struct game *g);
+void run_game(struct game *g);
 
 #endif
diff --git a/src/main.c b/src/main.c
index 10cdf35..408f47b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -13,8 +13,7 @@ main(void)
 	init_curses();
 	g = new_game();
 
-	draw_game(g);
-	getch();
+	run_game(g);
 
 	free_game(g);
 	fini_curses();
@@ -28,6 +27,7 @@ init_curses(void)
 	initscr();
 	noecho();
 	raw();
+	keypad(stdscr, TRUE);
 	curs_set(0);
 }
 
--
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