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draw.c revision 1.3
      1 /*	$NetBSD: draw.c,v 1.3 2003/06/11 12:00:22 wiz Exp $	*/
      2 /*
      3  * Copyright (c) 1983-2003, Regents of the University of California.
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions are
      8  * met:
      9  *
     10  * + Redistributions of source code must retain the above copyright
     11  *   notice, this list of conditions and the following disclaimer.
     12  * + Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  * + Neither the name of the University of California, San Francisco nor
     16  *   the names of its contributors may be used to endorse or promote
     17  *   products derived from this software without specific prior written
     18  *   permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
     21  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
     23  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 #ifndef lint
     35 __RCSID("$NetBSD: draw.c,v 1.3 2003/06/11 12:00:22 wiz Exp $");
     36 #endif /* not lint */
     37 
     38 # include	"hunt.h"
     39 
     40 void
     41 drawmaze(pp)
     42 	PLAYER	*pp;
     43 {
     44 	int	x;
     45 	char	*sp;
     46 	int	y;
     47 	char	*endp;
     48 
     49 	clrscr(pp);
     50 	outstr(pp, pp->p_maze[0], WIDTH);
     51 	for (y = 1; y < HEIGHT - 1; y++) {
     52 		endp = &pp->p_maze[y][WIDTH];
     53 		for (x = 0, sp = pp->p_maze[y]; sp < endp; x++, sp++)
     54 			if (*sp != SPACE) {
     55 				cgoto(pp, y, x);
     56 				if (pp->p_x == x && pp->p_y == y)
     57 					outch(pp, translate(*sp));
     58 				else if (isplayer(*sp))
     59 					outch(pp, player_sym(pp, y, x));
     60 				else
     61 					outch(pp, *sp);
     62 			}
     63 	}
     64 	cgoto(pp, HEIGHT - 1, 0);
     65 	outstr(pp, pp->p_maze[HEIGHT - 1], WIDTH);
     66 	drawstatus(pp);
     67 }
     68 
     69 /*
     70  * drawstatus - put up the status lines (this assumes the screen
     71  *		size is 80x24 with the maze being 64x24)
     72  */
     73 void
     74 drawstatus(pp)
     75 	PLAYER	*pp;
     76 {
     77 	int	i;
     78 	PLAYER	*np;
     79 
     80 	cgoto(pp, STAT_AMMO_ROW, STAT_LABEL_COL);
     81 	outstr(pp, "Ammo:", 5);
     82 	(void) sprintf(Buf, "%3d", pp->p_ammo);
     83 	cgoto(pp, STAT_AMMO_ROW, STAT_VALUE_COL);
     84 	outstr(pp, Buf, 3);
     85 
     86 	cgoto(pp, STAT_GUN_ROW, STAT_LABEL_COL);
     87 	outstr(pp, "Gun:", 4);
     88 	cgoto(pp, STAT_GUN_ROW, STAT_VALUE_COL);
     89 	outstr(pp, (pp->p_ncshot < MAXNCSHOT) ? " ok" : "   ", 3);
     90 
     91 	cgoto(pp, STAT_DAM_ROW, STAT_LABEL_COL);
     92 	outstr(pp, "Damage:", 7);
     93 	(void) sprintf(Buf, "%2d/%2d", pp->p_damage, pp->p_damcap);
     94 	cgoto(pp, STAT_DAM_ROW, STAT_VALUE_COL);
     95 	outstr(pp, Buf, 5);
     96 
     97 	cgoto(pp, STAT_KILL_ROW, STAT_LABEL_COL);
     98 	outstr(pp, "Kills:", 6);
     99 	(void) sprintf(Buf, "%3d", (pp->p_damcap - MAXDAM) / 2);
    100 	cgoto(pp, STAT_KILL_ROW, STAT_VALUE_COL);
    101 	outstr(pp, Buf, 3);
    102 
    103 	cgoto(pp, STAT_PLAY_ROW, STAT_LABEL_COL);
    104 	outstr(pp, "Player:", 7);
    105 	for (i = STAT_PLAY_ROW + 1, np = Player; np < End_player; np++) {
    106 		(void) sprintf(Buf, "%5.2f%c%-10.10s %c", np->p_ident->i_score,
    107 			stat_char(np), np->p_ident->i_name,
    108 			np->p_ident->i_team);
    109 		cgoto(pp, i++, STAT_NAME_COL);
    110 		outstr(pp, Buf, STAT_NAME_LEN);
    111 	}
    112 
    113 # ifdef MONITOR
    114 	cgoto(pp, STAT_MON_ROW, STAT_LABEL_COL);
    115 	outstr(pp, "Monitor:", 8);
    116 	for (i = STAT_MON_ROW + 1, np = Monitor; np < End_monitor; np++) {
    117 		(void) sprintf(Buf, "%5.5s %-10.10s %c", " ",
    118 			np->p_ident->i_name, np->p_ident->i_team);
    119 		cgoto(pp, i++, STAT_NAME_COL);
    120 		outstr(pp, Buf, STAT_NAME_LEN);
    121 	}
    122 # endif
    123 }
    124 
    125 void
    126 look(pp)
    127 	PLAYER	*pp;
    128 {
    129 	int	x, y;
    130 
    131 	x = pp->p_x;
    132 	y = pp->p_y;
    133 
    134 	check(pp, y - 1, x - 1);
    135 	check(pp, y - 1, x    );
    136 	check(pp, y - 1, x + 1);
    137 	check(pp, y    , x - 1);
    138 	check(pp, y    , x    );
    139 	check(pp, y    , x + 1);
    140 	check(pp, y + 1, x - 1);
    141 	check(pp, y + 1, x    );
    142 	check(pp, y + 1, x + 1);
    143 
    144 	switch (pp->p_face) {
    145 	  case LEFTS:
    146 		see(pp, LEFTS);
    147 		see(pp, ABOVE);
    148 		see(pp, BELOW);
    149 		break;
    150 	  case RIGHT:
    151 		see(pp, RIGHT);
    152 		see(pp, ABOVE);
    153 		see(pp, BELOW);
    154 		break;
    155 	  case ABOVE:
    156 		see(pp, ABOVE);
    157 		see(pp, LEFTS);
    158 		see(pp, RIGHT);
    159 		break;
    160 	  case BELOW:
    161 		see(pp, BELOW);
    162 		see(pp, LEFTS);
    163 		see(pp, RIGHT);
    164 		break;
    165 # ifdef FLY
    166 	  case FLYER:
    167 		break;
    168 # endif
    169 	}
    170 	cgoto(pp, y, x);
    171 }
    172 
    173 void
    174 see(pp, face)
    175 	PLAYER	*pp;
    176 	int	face;
    177 {
    178 	char	*sp;
    179 	int	y, x, i, cnt;
    180 
    181 	x = pp->p_x;
    182 	y = pp->p_y;
    183 
    184 	switch (face) {
    185 	  case LEFTS:
    186 		sp = &Maze[y][x];
    187 		for (i = 0; See_over[(int)*--sp]; i++)
    188 			continue;
    189 
    190 		if (i == 0)
    191 			break;
    192 
    193 		cnt = i;
    194 		x = pp->p_x - 1;
    195 		--y;
    196 		while (i--)
    197 			check(pp, y, --x);
    198 		i = cnt;
    199 		x = pp->p_x - 1;
    200 		++y;
    201 		while (i--)
    202 			check(pp, y, --x);
    203 		i = cnt;
    204 		x = pp->p_x - 1;
    205 		++y;
    206 		while (i--)
    207 			check(pp, y, --x);
    208 		break;
    209 	  case RIGHT:
    210 		sp = &Maze[y][++x];
    211 		for (i = 0; See_over[(int)*sp++]; i++)
    212 			continue;
    213 
    214 		if (i == 0)
    215 			break;
    216 
    217 		cnt = i;
    218 		x = pp->p_x + 1;
    219 		--y;
    220 		while (i--)
    221 			check(pp, y, ++x);
    222 		i = cnt;
    223 		x = pp->p_x + 1;
    224 		++y;
    225 		while (i--)
    226 			check(pp, y, ++x);
    227 		i = cnt;
    228 		x = pp->p_x + 1;
    229 		++y;
    230 		while (i--)
    231 			check(pp, y, ++x);
    232 		break;
    233 	  case ABOVE:
    234 		sp = &Maze[--y][x];
    235 		if (!See_over[(int)*sp])
    236 			break;
    237 		do {
    238 			--y;
    239 			sp -= sizeof Maze[0];
    240 			check(pp, y, x - 1);
    241 			check(pp, y, x    );
    242 			check(pp, y, x + 1);
    243 		} while (See_over[(int)*sp]);
    244 		break;
    245 	  case BELOW:
    246 		sp = &Maze[++y][x];
    247 		if (!See_over[(int)*sp])
    248 			break;
    249 		do {
    250 			y++;
    251 			sp += sizeof Maze[0];
    252 			check(pp, y, x - 1);
    253 			check(pp, y, x    );
    254 			check(pp, y, x + 1);
    255 		} while (See_over[(int)*sp]);
    256 		break;
    257 	}
    258 }
    259 
    260 void
    261 check(pp, y, x)
    262 	PLAYER	*pp;
    263 	int	y, x;
    264 {
    265 	int	index;
    266 	int	ch;
    267 	PLAYER	*rpp;
    268 
    269 	index = y * sizeof Maze[0] + x;
    270 	ch = ((char *) Maze)[index];
    271 	if (ch != ((char *) pp->p_maze)[index]) {
    272 		rpp = pp;
    273 		cgoto(rpp, y, x);
    274 		if (x == rpp->p_x && y == rpp->p_y)
    275 			outch(rpp, translate(ch));
    276 		else if (isplayer(ch))
    277 			outch(rpp, player_sym(rpp, y, x));
    278 		else
    279 			outch(rpp, ch);
    280 		((char *) rpp->p_maze)[index] = ch;
    281 	}
    282 }
    283 
    284 /*
    285  * showstat
    286  *	Update the status of players
    287  */
    288 void
    289 showstat(pp)
    290 	PLAYER	*pp;
    291 {
    292 	PLAYER	*np;
    293 	int	y;
    294 	char	c;
    295 
    296 	y = STAT_PLAY_ROW + 1 + (pp - Player);
    297 	c = stat_char(pp);
    298 # ifdef MONITOR
    299 	for (np = Monitor; np < End_monitor; np++) {
    300 		cgoto(np, y, STAT_SCAN_COL);
    301 		outch(np, c);
    302 	}
    303 # endif
    304 	for (np = Player; np < End_player; np++) {
    305 		cgoto(np, y, STAT_SCAN_COL);
    306 		outch(np, c);
    307 	}
    308 }
    309 
    310 /*
    311  * drawplayer:
    312  *	Draw the player on the screen and show him to everyone who's scanning
    313  *	unless he is cloaked.
    314  */
    315 void
    316 drawplayer(pp, draw)
    317 	PLAYER	*pp;
    318 	FLAG	draw;
    319 {
    320 	PLAYER	*newp;
    321 	int	x, y;
    322 
    323 	x = pp->p_x;
    324 	y = pp->p_y;
    325 	Maze[y][x] = draw ? pp->p_face : pp->p_over;
    326 
    327 # ifdef MONITOR
    328 	for (newp = Monitor; newp < End_monitor; newp++)
    329 		check(newp, y, x);
    330 # endif
    331 
    332 	for (newp = Player; newp < End_player; newp++) {
    333 		if (!draw || newp == pp) {
    334 			check(newp, y, x);
    335 			continue;
    336 		}
    337 		if (newp->p_scan == 0) {
    338 			newp->p_scan--;
    339 			showstat(newp);
    340 		}
    341 		else if (newp->p_scan > 0) {
    342 			if (pp->p_cloak < 0)
    343 				check(newp, y, x);
    344 			newp->p_scan--;
    345 		}
    346 	}
    347 	if (!draw || pp->p_cloak < 0)
    348 		return;
    349 	if (pp->p_cloak-- == 0)
    350 		showstat(pp);
    351 }
    352 
    353 void
    354 message(pp, s)
    355 	PLAYER	*pp;
    356 	char	*s;
    357 {
    358 	cgoto(pp, HEIGHT, 0);
    359 	outstr(pp, s, strlen(s));
    360 	ce(pp);
    361 }
    362 
    363 /*
    364  * translate:
    365  *	Turn a character into the right direction character if we are
    366  *	looking at the current player.
    367  */
    368 char
    369 translate(ch)
    370 	char	ch;
    371 {
    372 	switch (ch) {
    373 	  case LEFTS:
    374 		return '<';
    375 	  case RIGHT:
    376 		return '>';
    377 	  case ABOVE:
    378 		return '^';
    379 	  case BELOW:
    380 		return 'v';
    381 	}
    382 	return ch;
    383 }
    384 
    385 /*
    386  * player_sym:
    387  *	Return the player symbol
    388  */
    389 int
    390 player_sym(pp, y, x)
    391 	PLAYER	*pp;
    392 	int	y, x;
    393 {
    394 	PLAYER	*npp;
    395 
    396 	npp = play_at(y, x);
    397 	if (npp->p_ident->i_team == ' ')
    398 		return Maze[y][x];
    399 #ifdef MONITOR
    400 	if (pp->p_ident->i_team == '*')
    401 		return npp->p_ident->i_team;
    402 #endif
    403 	if (pp->p_ident->i_team != npp->p_ident->i_team)
    404 		return Maze[y][x];
    405 	return pp->p_ident->i_team;
    406 }
    407