From 10c3f324b1d39ec1099a23461fd8f371ae0479c9 Mon Sep 17 00:00:00 2001
From: nat <nat@NetBSD.org>
Date: Thu, 3 Mar 2016 21:38:55 +0000
Subject: Center game board on screen.  OK from christos@.

---
 tetris/screen.c | 5 +++--
 tetris/tetris.c | 3 ++-
 tetris/tetris.h | 3 ++-
 3 files changed, 7 insertions(+), 4 deletions(-)

(limited to 'tetris')

diff --git a/tetris/screen.c b/tetris/screen.c
index 62d50a2d..193b2c6a 100644
--- a/tetris/screen.c
+++ b/tetris/screen.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: screen.c,v 1.31 2015/11/06 19:53:37 christos Exp $	*/
+/*	$NetBSD: screen.c,v 1.32 2016/03/03 21:38:55 nat Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -197,6 +197,7 @@ scr_set(void)
 		    MINCOLS, MINROWS);
 		stop("");	/* stop() supplies \n */
 	}
+	Offset = (Rows - D_LAST + D_FIRST - 2) / 2;
 	if (tcgetattr(0, &oldtt) < 0)
 		stop("tcgetattr() fails");
 	newtt = oldtt;
@@ -360,7 +361,7 @@ scr_update(void)
 					putpad(exit_standout_mode);
 					cur_so = 0;
 				}
-				moveto(RTOD(j), CTOD(i));
+				moveto(RTOD(j + Offset), CTOD(i));
 			}
 			if (enter_standout_mode) {
 				if (so != cur_so) {
diff --git a/tetris/tetris.c b/tetris/tetris.c
index 1f5f68b4..5a41c158 100644
--- a/tetris/tetris.c
+++ b/tetris/tetris.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tetris.c,v 1.31 2015/11/06 19:53:37 christos Exp $	*/
+/*	$NetBSD: tetris.c,v 1.32 2016/03/03 21:38:55 nat Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -62,6 +62,7 @@ __COPYRIGHT("@(#) Copyright (c) 1992, 1993\
 cell	board[B_SIZE];		/* 1 => occupied, 0 => empty */
 
 int	Rows, Cols;		/* current screen size */
+int	Offset;			/* used to center board & shapes */
 
 static const struct shape *curshape;
 const struct shape *nextshape;
diff --git a/tetris/tetris.h b/tetris/tetris.h
index 559ef761..7d18a2d1 100644
--- a/tetris/tetris.h
+++ b/tetris/tetris.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: tetris.h,v 1.14 2014/07/13 16:23:55 pgoyette Exp $	*/
+/*	$NetBSD: tetris.h,v 1.15 2016/03/03 21:38:55 nat Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993
@@ -73,6 +73,7 @@ extern cell	board[B_SIZE];	/* 1 => occupied, 0 => empty */
 #define	MINCOLS	40
 
 extern int	Rows, Cols;	/* current screen size */
+extern int	Offset;		/* vert. offset to center board */
 
 /*
  * Translations from board coordinates to display coordinates.
-- 
cgit v1.2.3-56-ge451