WebSVN – HelenOS – Diff – /trunk/uspace/app/tetris/screen.c


/*  $OpenBSD: screen.c,v 1.13 2006/04/20 03:25:36 ray Exp $ */
/*  $NetBSD: screen.c,v 1.4 1995/04/29 01:11:36 mycroft Exp $   */
 
/*-
 * Copyright (c) 1992, 1993
 *  The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Chris Torek and Darren F. Provine.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *  @(#)screen.c    8.1 (Berkeley) 5/31/93
 */
 
/** @addtogroup tetris
 * @{
 */
/** @file
 */
 
/*
 * Tetris screen control.
 */
 
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vfs/vfs.h>
 
#include <async.h>
#include "screen.h"
#include "tetris.h"
#include <io/console.h>
 
static cell curscreen[B_SIZE];  /* 1 => standout (or otherwise marked) */
static int curscore;
static int isset;       /* true => terminal is in game mode */
 
 
/*
 * putstr() is for unpadded strings (either as in termcap(5) or
 * simply literal strings);
 */
static inline void putstr(char *s)
{
    while (*s)
        putchar(*(s++));
}
 
static void start_standout(void)
{
    console_set_rgb_color(fphone(stdout), 0xf0f0f0, 0);
}
 
static void resume_normal(void)
{
    console_set_rgb_color(fphone(stdout), 0, 0xf0f0f0);
}
 
void clear_screen(void)
{
    console_clear(fphone(stdout));
    moveto(0, 0);
}
 
/*
 * Clear the screen, forgetting the current contents in the process.
 */
void
scr_clear(void)
{
 
    resume_normal();
    console_clear(fphone(stdout));
    curscore = -1;
    memset((char *)curscreen, 0, sizeof(curscreen));
}
 
/*
 * Set up screen
 */
void
scr_init(void)
{
    console_cursor_visibility(fphone(stdout), 0);
    resume_normal();
    scr_clear();
}
 
void moveto(int r, int c)
{
    console_goto(fphone(stdout), c, r);
}
 
winsize_t winsize;
 
static int get_display_size(winsize_t *ws)
{
    return console_get_size(fphone(stdout), &ws->ws_col, &ws->ws_row);
}
 
/*
 * Set up screen mode.
 */
void
scr_set(void)
{
    winsize_t ws;
 
    Rows = 0, Cols = 0;
    if (get_display_size(&ws) == 0) {
        Rows = ws.ws_row;
        Cols = ws.ws_col;
    }
    if (Rows < MINROWS || Cols < MINCOLS) {
        char smallscr[55];
 
        snprintf(smallscr, sizeof(smallscr),
            "the screen is too small (must be at least %dx%d)",
            MINROWS, MINCOLS);
        stop(smallscr);
    }
    isset = 1;
 
    scr_clear();
}
 
/*
 * End screen mode.
 */
void
scr_end(void)
{
}
 
void
stop(char *why)
{
 
    if (isset)
        scr_end();
    errx(1, "aborting: %s", why);
}
 
 
/*
 * Update the screen.
 */
void
scr_update(void)
{
    cell *bp, *sp;
    cell so, cur_so = 0;
    int i, ccol, j;
    static const struct shape *lastshape;
 
    /* always leave cursor after last displayed point */
    curscreen[D_LAST * B_COLS - 1] = -1;
 
    if (score != curscore) {
        moveto(0, 0);
        printf("Score: %d", score);
        curscore = score;
    }
 
    /* draw preview of next pattern */
    if (showpreview && (nextshape != lastshape)) {
        int i;
        static int r=5, c=2;
        int tr, tc, t;
 
        lastshape = nextshape;
 
        /* clean */
        resume_normal();
        moveto(r-1, c-1); putstr("          ");
        moveto(r,   c-1); putstr("          ");
        moveto(r+1, c-1); putstr("          ");
        moveto(r+2, c-1); putstr("          ");
 
        moveto(r-3, c-2);
        putstr("Next shape:");
 
        /* draw */
        start_standout();
        moveto(r, 2 * c);
        putstr("  ");
        for (i = 0; i < 3; i++) {
            t = c + r * B_COLS;
            t += nextshape->off[i];
 
            tr = t / B_COLS;
            tc = t % B_COLS;
 
            moveto(tr, 2*tc);
            putstr("  ");
        }
        resume_normal();
    }
 
    bp = &board[D_FIRST * B_COLS];
    sp = &curscreen[D_FIRST * B_COLS];
    for (j = D_FIRST; j < D_LAST; j++) {
        ccol = -1;
        for (i = 0; i < B_COLS; bp++, sp++, i++) {
            if (*sp == (so = *bp))
                continue;
            *sp = so;
            if (i != ccol) {
                if (cur_so) {
                    resume_normal();
                    cur_so = 0;
                }
                moveto(RTOD(j), CTOD(i));
            }
            if (so != cur_so) {
                if (so)
                    start_standout();
                else
                    resume_normal();
                cur_so = so;
            }
            putstr("  ");
 
            ccol = i + 1;
            /*
             * Look ahead a bit, to avoid extra motion if
             * we will be redrawing the cell after the next.
             * Motion probably takes four or more characters,
             * so we save even if we rewrite two cells
             * `unnecessarily'.  Skip it all, though, if
             * the next cell is a different color.
             */
#define STOP (B_COLS - 3)
            if (i > STOP || sp[1] != bp[1] || so != bp[1])
                continue;
            if (sp[2] != bp[2])
                sp[1] = -1;
            else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {
                sp[2] = -1;
                sp[1] = -1;
            }
        }
    }
    if (cur_so)
        resume_normal();
    fflush(stdout);
}
 
/*
 * Write a message (set!=0), or clear the same message (set==0).
 * (We need its length in case we have to overwrite with blanks.)
 */
void
scr_msg(char *s, int set)
{
   
    int l = str_size(s);
   
    moveto(Rows - 2, ((Cols - l) >> 1) - 1);
    if (set)
        putstr(s);
    else
        while (--l >= 0)
            (void) putchar(' ');
}
 
/** @}
 */
 
 

Rev 4264	Rev 4488
1	/* $OpenBSD: screen.c,v 1.13 2006/04/20 03:25:36 ray Exp $ */	1	/* $OpenBSD: screen.c,v 1.13 2006/04/20 03:25:36 ray Exp $ */
2	/* $NetBSD: screen.c,v 1.4 1995/04/29 01:11:36 mycroft Exp $ */	2	/* $NetBSD: screen.c,v 1.4 1995/04/29 01:11:36 mycroft Exp $ */
3		3
4	/*-	4	/*-
5	* Copyright (c) 1992, 1993	5	* Copyright (c) 1992, 1993
6	* The Regents of the University of California. All rights reserved.	6	* The Regents of the University of California. All rights reserved.
7	*	7	*
8	* This code is derived from software contributed to Berkeley by	8	* This code is derived from software contributed to Berkeley by
9	* Chris Torek and Darren F. Provine.	9	* Chris Torek and Darren F. Provine.
10	*	10	*
11	* Redistribution and use in source and binary forms, with or without	11	* Redistribution and use in source and binary forms, with or without
12	* modification, are permitted provided that the following conditions	12	* modification, are permitted provided that the following conditions
13	* are met:	13	* are met:
14	* 1. Redistributions of source code must retain the above copyright	14	* 1. Redistributions of source code must retain the above copyright
15	* notice, this list of conditions and the following disclaimer.	15	* notice, this list of conditions and the following disclaimer.
16	* 2. Redistributions in binary form must reproduce the above copyright	16	* 2. Redistributions in binary form must reproduce the above copyright
17	* notice, this list of conditions and the following disclaimer in the	17	* notice, this list of conditions and the following disclaimer in the
18	* documentation and/or other materials provided with the distribution.	18	* documentation and/or other materials provided with the distribution.
19	* 3. Neither the name of the University nor the names of its contributors	19	* 3. Neither the name of the University nor the names of its contributors
20	* may be used to endorse or promote products derived from this software	20	* may be used to endorse or promote products derived from this software
21	* without specific prior written permission.	21	* without specific prior written permission.
22	*	22	*
23	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND	23	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE	24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE	25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE	26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL	27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS	28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)	29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT	30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY	31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF	32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33	* SUCH DAMAGE.	33	* SUCH DAMAGE.
34	*	34	*
35	* @(#)screen.c 8.1 (Berkeley) 5/31/93	35	* @(#)screen.c 8.1 (Berkeley) 5/31/93
36	*/	36	*/
37		37
38	/** @addtogroup tetris	38	/** @addtogroup tetris
39	* @{	39	* @{
40	*/	40	*/
41	/** @file	41	/** @file
42	*/	42	*/
43		43
44	/*	44	/*
45	* Tetris screen control.	45	* Tetris screen control.
46	*/	46	*/
47		47
48	#include <err.h>	48	#include <err.h>
49	#include <stdio.h>	49	#include <stdio.h>
50	#include <stdlib.h>	50	#include <stdlib.h>
51	#include <string.h>	51	#include <string.h>
52	#include <unistd.h>	52	#include <unistd.h>
53	#include <console.h>	53	#include <vfs/vfs.h>
54		-
55	#include <async.h>	54	#include <async.h>
56	#include "screen.h"	55	#include "screen.h"
57	#include "tetris.h"	56	#include "tetris.h"
58	#include <ipc/console.h>	57	#include <io/console.h>
59		58
60	static cell curscreen[B_SIZE]; /* 1 => standout (or otherwise marked) */	59	static cell curscreen[B_SIZE]; /* 1 => standout (or otherwise marked) */
61	static int curscore;	60	static int curscore;
62	static int isset; /* true => terminal is in game mode */	61	static int isset; /* true => terminal is in game mode */
63		62
64		63
65	/*	64	/*
66	* putstr() is for unpadded strings (either as in termcap(5) or	65	* putstr() is for unpadded strings (either as in termcap(5) or
67	* simply literal strings);	66	* simply literal strings);
68	*/	67	*/
69	static inline void putstr(char *s)	68	static inline void putstr(char *s)
70	{	69	{
71	while (*s)	70	while (*s)
72	putchar(*(s++));	71	putchar(*(s++));
73	}	72	}
74		73
75	static void start_standout(void)	74	static void start_standout(void)
76	{	75	{
77	console_set_rgb_color(0xf0f0f0, 0);	76	console_set_rgb_color(fphone(stdout), 0xf0f0f0, 0);
78	}	77	}
79		78
80	static void resume_normal(void)	79	static void resume_normal(void)
81	{	80	{
82	console_set_rgb_color(0, 0xf0f0f0);	81	console_set_rgb_color(fphone(stdout), 0, 0xf0f0f0);
83	}	82	}
84		83
85	void clear_screen(void)	84	void clear_screen(void)
86	{	85	{
87	console_clear();	86	console_clear(fphone(stdout));
88	moveto(0, 0);	87	moveto(0, 0);
89	}	88	}
90		89
91	/*	90	/*
92	* Clear the screen, forgetting the current contents in the process.	91	* Clear the screen, forgetting the current contents in the process.
93	*/	92	*/
94	void	93	void
95	scr_clear(void)	94	scr_clear(void)
96	{	95	{
97		96
98	resume_normal();	97	resume_normal();
99	console_clear();	98	console_clear(fphone(stdout));
100	curscore = -1;	99	curscore = -1;
101	memset((char *)curscreen, 0, sizeof(curscreen));	100	memset((char *)curscreen, 0, sizeof(curscreen));
102	}	101	}
103		102
104	/*	103	/*
105	* Set up screen	104	* Set up screen
106	*/	105	*/
107	void	106	void
108	scr_init(void)	107	scr_init(void)
109	{	108	{
110	console_cursor_visibility(0);	109	console_cursor_visibility(fphone(stdout), 0);
111	resume_normal();	110	resume_normal();
112	scr_clear();	111	scr_clear();
113	}	112	}
114		113
115	void moveto(int r, int c)	114	void moveto(int r, int c)
116	{	115	{
117	console_goto(r, c);	116	console_goto(fphone(stdout), c, r);
118	}	117	}
119		118
120	winsize_t winsize;	119	winsize_t winsize;
121		120
122	static int get_display_size(winsize_t *ws)	121	static int get_display_size(winsize_t *ws)
123	{	122	{
124	return console_get_size(&ws->ws_row, &ws->ws_col);	123	return console_get_size(fphone(stdout), &ws->ws_col, &ws->ws_row);
125	}	124	}
126		125
127	/*	126	/*
128	* Set up screen mode.	127	* Set up screen mode.
129	*/	128	*/
130	void	129	void
131	scr_set(void)	130	scr_set(void)
132	{	131	{
133	winsize_t ws;	132	winsize_t ws;
134		133
135	Rows = 0, Cols = 0;	134	Rows = 0, Cols = 0;
136	if (get_display_size(&ws) == 0) {	135	if (get_display_size(&ws) == 0) {
137	Rows = ws.ws_row;	136	Rows = ws.ws_row;
138	Cols = ws.ws_col;	137	Cols = ws.ws_col;
139	}	138	}
140	if (Rows < MINROWS \|\| Cols < MINCOLS) {	139	if (Rows < MINROWS \|\| Cols < MINCOLS) {
141	char smallscr[55];	140	char smallscr[55];
142		141
143	snprintf(smallscr, sizeof(smallscr),	142	snprintf(smallscr, sizeof(smallscr),
144	"the screen is too small (must be at least %dx%d)",	143	"the screen is too small (must be at least %dx%d)",
145	MINROWS, MINCOLS);	144	MINROWS, MINCOLS);
146	stop(smallscr);	145	stop(smallscr);
147	}	146	}
148	isset = 1;	147	isset = 1;
149		148
150	scr_clear();	149	scr_clear();
151	}	150	}
152		151
153	/*	152	/*
154	* End screen mode.	153	* End screen mode.
155	*/	154	*/
156	void	155	void
157	scr_end(void)	156	scr_end(void)
158	{	157	{
159	}	158	}
160		159
161	void	160	void
162	stop(char *why)	161	stop(char *why)
163	{	162	{
164		163
165	if (isset)	164	if (isset)
166	scr_end();	165	scr_end();
167	errx(1, "aborting: %s", why);	166	errx(1, "aborting: %s", why);
168	}	167	}
169		168
170		169
171	/*	170	/*
172	* Update the screen.	171	* Update the screen.
173	*/	172	*/
174	void	173	void
175	scr_update(void)	174	scr_update(void)
176	{	175	{
177	cell bp, sp;	176	cell bp, sp;
178	cell so, cur_so = 0;	177	cell so, cur_so = 0;
179	int i, ccol, j;	178	int i, ccol, j;
180	static const struct shape *lastshape;	179	static const struct shape *lastshape;
181		180
182	/* always leave cursor after last displayed point */	181	/* always leave cursor after last displayed point */
183	curscreen[D_LAST * B_COLS - 1] = -1;	182	curscreen[D_LAST * B_COLS - 1] = -1;
184		183
185	if (score != curscore) {	184	if (score != curscore) {
186	moveto(0, 0);	185	moveto(0, 0);
187	printf("Score: %d", score);	186	printf("Score: %d", score);
188	curscore = score;	187	curscore = score;
189	}	188	}
190		189
191	/* draw preview of next pattern */	190	/* draw preview of next pattern */
192	if (showpreview && (nextshape != lastshape)) {	191	if (showpreview && (nextshape != lastshape)) {
193	int i;	192	int i;
194	static int r=5, c=2;	193	static int r=5, c=2;
195	int tr, tc, t;	194	int tr, tc, t;
196		195
197	lastshape = nextshape;	196	lastshape = nextshape;
198		197
199	/* clean */	198	/* clean */
200	resume_normal();	199	resume_normal();
201	moveto(r-1, c-1); putstr(" ");	200	moveto(r-1, c-1); putstr(" ");
202	moveto(r, c-1); putstr(" ");	201	moveto(r, c-1); putstr(" ");
203	moveto(r+1, c-1); putstr(" ");	202	moveto(r+1, c-1); putstr(" ");
204	moveto(r+2, c-1); putstr(" ");	203	moveto(r+2, c-1); putstr(" ");
205		204
206	moveto(r-3, c-2);	205	moveto(r-3, c-2);
207	putstr("Next shape:");	206	putstr("Next shape:");
208		207
209	/* draw */	208	/* draw */
210	start_standout();	209	start_standout();
211	moveto(r, 2 * c);	210	moveto(r, 2 * c);
212	putstr(" ");	211	putstr(" ");
213	for (i = 0; i < 3; i++) {	212	for (i = 0; i < 3; i++) {
214	t = c + r * B_COLS;	213	t = c + r * B_COLS;
215	t += nextshape->off[i];	214	t += nextshape->off[i];
216		215
217	tr = t / B_COLS;	216	tr = t / B_COLS;
218	tc = t % B_COLS;	217	tc = t % B_COLS;
219		218
220	moveto(tr, 2*tc);	219	moveto(tr, 2*tc);
221	putstr(" ");	220	putstr(" ");
222	}	221	}
223	resume_normal();	222	resume_normal();
224	}	223	}
225		224
226	bp = &board[D_FIRST * B_COLS];	225	bp = &board[D_FIRST * B_COLS];
227	sp = &curscreen[D_FIRST * B_COLS];	226	sp = &curscreen[D_FIRST * B_COLS];
228	for (j = D_FIRST; j < D_LAST; j++) {	227	for (j = D_FIRST; j < D_LAST; j++) {
229	ccol = -1;	228	ccol = -1;
230	for (i = 0; i < B_COLS; bp++, sp++, i++) {	229	for (i = 0; i < B_COLS; bp++, sp++, i++) {
231	if (sp == (so = bp))	230	if (sp == (so = bp))
232	continue;	231	continue;
233	*sp = so;	232	*sp = so;
234	if (i != ccol) {	233	if (i != ccol) {
235	if (cur_so) {	234	if (cur_so) {
236	resume_normal();	235	resume_normal();
237	cur_so = 0;	236	cur_so = 0;
238	}	237	}
239	moveto(RTOD(j), CTOD(i));	238	moveto(RTOD(j), CTOD(i));
240	}	239	}
241	if (so != cur_so) {	240	if (so != cur_so) {
242	if (so)	241	if (so)
243	start_standout();	242	start_standout();
244	else	243	else
245	resume_normal();	244	resume_normal();
246	cur_so = so;	245	cur_so = so;
247	}	246	}
248	putstr(" ");	247	putstr(" ");
249		248
250	ccol = i + 1;	249	ccol = i + 1;
251	/*	250	/*
252	* Look ahead a bit, to avoid extra motion if	251	* Look ahead a bit, to avoid extra motion if
253	* we will be redrawing the cell after the next.	252	* we will be redrawing the cell after the next.
254	* Motion probably takes four or more characters,	253	* Motion probably takes four or more characters,
255	* so we save even if we rewrite two cells	254	* so we save even if we rewrite two cells
256	* `unnecessarily'. Skip it all, though, if	255	* `unnecessarily'. Skip it all, though, if
257	* the next cell is a different color.	256	* the next cell is a different color.
258	*/	257	*/
259	#define STOP (B_COLS - 3)	258	#define STOP (B_COLS - 3)
260	if (i > STOP \|\| sp[1] != bp[1] \|\| so != bp[1])	259	if (i > STOP \|\| sp[1] != bp[1] \|\| so != bp[1])
261	continue;	260	continue;
262	if (sp[2] != bp[2])	261	if (sp[2] != bp[2])
263	sp[1] = -1;	262	sp[1] = -1;
264	else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {	263	else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {
265	sp[2] = -1;	264	sp[2] = -1;
266	sp[1] = -1;	265	sp[1] = -1;
267	}	266	}
268	}	267	}
269	}	268	}
270	if (cur_so)	269	if (cur_so)
271	resume_normal();	270	resume_normal();
272	fflush(stdout);	271	fflush(stdout);
273	}	272	}
274		273
275	/*	274	/*
276	* Write a message (set!=0), or clear the same message (set==0).	275	* Write a message (set!=0), or clear the same message (set==0).
277	* (We need its length in case we have to overwrite with blanks.)	276	* (We need its length in case we have to overwrite with blanks.)
278	*/	277	*/
279	void	278	void
280	scr_msg(char *s, int set)	279	scr_msg(char *s, int set)
281	{	280	{
282		281
283	int l = str_size(s);	282	int l = str_size(s);
284		283
285	moveto(Rows - 2, ((Cols - l) >> 1) - 1);	284	moveto(Rows - 2, ((Cols - l) >> 1) - 1);
286	if (set)	285	if (set)
287	putstr(s);	286	putstr(s);
288	else	287	else
289	while (--l >= 0)	288	while (--l >= 0)
290	(void) putchar(' ');	289	(void) putchar(' ');
291	}	290	}
292		291
293	/** @}	292	/** @}
294	*/	293	*/
295		294
296		295

Subversion Repositories HelenOS

(root)/trunk/uspace/app/tetris/screen.c @ 3282 – Rev 4264 → 4488