From: Mischa POSLAWSKY <netris@shiar.org>
Date: Sat, 10 Mar 2007 20:06:16 +0000 (+0100)
Subject: pad overlay messages automatically
X-Git-Url: http://git.shiar.nl/netris.git/commitdiff_plain/01aff5930cdf4448ad3fbdb8821d6708402faedd

pad overlay messages automatically

Much easier to maintain, and won't break for non-standard field sizes.
---

diff --git a/curses.c b/curses.c
index 0e841ef..57bfee7 100644
--- a/curses.c
+++ b/curses.c
@@ -558,25 +558,57 @@ void window_msg(int player, char *message)
 	} //restore field
 }
 
+void window_msg_wide(int player, char *message)
+{
+	int i;
+	char *messagewide = malloc(strlen(message) * 2); // max += strlen - 1
+	const int fieldsize = Players[player].boardWidth * window[player].size;
+
+	const bool sep = strchr(message, ' ') != NULL;
+		// whitespace to pad at convenience
+	const bool pad = strlen(message) * 2 - sep <= fieldsize;
+		// (space to) put whitespace between all characters
+	bool odd = fieldsize & 1;
+		// odd number of characters (center off; try to change padding at sep)
+	if (!pad) odd ^= strlen(message) & 1;
+		// for odd strings, check for even fieldsize instead
+
+	if (pad || (sep && odd && strlen(message) < fieldsize)) {
+		// generate padded message in messagewide
+		for (i = 0; ; message++) {
+			messagewide[i++] = *message;
+			if (message[1] == 0) {
+				messagewide[i] = 0;
+				break;
+			}
+			if (pad ? (*message != ' ' || odd) : (*message == ' ' && odd)) {
+				// add padding if wide; different padding at space if odd
+				messagewide[i++] = ' ';
+				odd = 0;
+			}
+		}
+		message = messagewide;
+	}
+	window_msg(player, message);
+}
+
 void window_msg_status(int player)
 { //put status (pause, readiness, game over) over player's field
 	if (Players[player].alive > 0)
 		if (Players[player].flags & SCF_paused)
 			if (Game.started > 1)
-				window_msg(player, window[player].size > 1 ? "P A U S E D" : "PAUSED");
+				window_msg_wide(player, "PAUSED");
 			else
-				window_msg(player,
-					window[player].size > 1 ? "N O T  R E A D Y" : "NOT  READY");
+				window_msg_wide(player, "NOT READY");
 		else
 			if (Game.started > 1)
 				window_msg(player, NULL);
 			else
-				window_msg(player, window[player].size > 1 ? "R E A D Y" : "READY");
+				window_msg_wide(player, "READY");
 	else if (!Players[player].alive)
-		window_msg(player,
-			window[player].size > 1 ? "G A M E  O V E R" : "GAME  OVER");
+		window_msg_wide(player, "GAME OVER");
 	else
-		window_msg(player, window[player].size > 1 ? "E M P T Y" : "EMPTY");
+		window_msg_wide(player, "EMPTY");
 }