NetBSD/games/larn/display.c

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/* $NetBSD: display.c,v 1.4 1997/10/18 20:03:15 christos Exp $ */
/* display.c Larn is copyrighted 1986 by Noah Morgan. */
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: display.c,v 1.4 1997/10/18 20:03:15 christos Exp $");
#endif /* not lint */
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#include "header.h"
#include "extern.h"
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#define makecode(_a,_b,_c) (((_a)<<16) + ((_b)<<8) + (_c))
static void botsub __P((int, char *));
static int minx, maxx, miny, maxy, k, m;
static char bot1f = 0, bot2f = 0, bot3f = 0;
char always = 0;
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/*
bottomline()
now for the bottom line of the display
*/
void
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bottomline()
{
recalc();
bot1f = 1;
}
void
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bottomhp()
{
bot2f = 1;
}
void
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bottomspell()
{
bot3f = 1;
}
void
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bottomdo()
{
if (bot1f) {
bot3f = bot1f = bot2f = 0;
bot_linex();
return;
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}
if (bot2f) {
bot2f = 0;
bot_hpx();
}
if (bot3f) {
bot3f = 0;
bot_spellx();
}
}
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void
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bot_linex()
{
int i;
if (cbak[SPELLS] <= -50 || (always)) {
cursor(1, 18);
if (c[SPELLMAX] > 99)
lprintf("Spells:%3d(%3d)", (long) c[SPELLS], (long) c[SPELLMAX]);
else
lprintf("Spells:%3d(%2d) ", (long) c[SPELLS], (long) c[SPELLMAX]);
lprintf(" AC: %-3d WC: %-3d Level", (long) c[AC], (long) c[WCLASS]);
if (c[LEVEL] > 99)
lprintf("%3d", (long) c[LEVEL]);
else
lprintf(" %-2d", (long) c[LEVEL]);
lprintf(" Exp: %-9d %s\n", (long) c[EXPERIENCE], class[c[LEVEL] - 1]);
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lprintf("HP: %3d(%3d) STR=%-2d INT=%-2d ",
(long) c[HP], (long) c[HPMAX], (long) (c[STRENGTH] + c[STREXTRA]), (long) c[INTELLIGENCE]);
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lprintf("WIS=%-2d CON=%-2d DEX=%-2d CHA=%-2d LV:",
(long) c[WISDOM], (long) c[CONSTITUTION], (long) c[DEXTERITY], (long) c[CHARISMA]);
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if ((level == 0) || (wizard))
c[TELEFLAG] = 0;
if (c[TELEFLAG])
lprcat(" ?");
else
lprcat(levelname[level]);
lprintf(" Gold: %-6d", (long) c[GOLD]);
always = 1;
botside();
c[TMP] = c[STRENGTH] + c[STREXTRA];
for (i = 0; i < 100; i++)
cbak[i] = c[i];
return;
}
botsub(makecode(SPELLS, 8, 18), "%3d");
if (c[SPELLMAX] > 99)
botsub(makecode(SPELLMAX, 12, 18), "%3d)");
else
botsub(makecode(SPELLMAX, 12, 18), "%2d) ");
botsub(makecode(HP, 5, 19), "%3d");
botsub(makecode(HPMAX, 9, 19), "%3d");
botsub(makecode(AC, 21, 18), "%-3d");
botsub(makecode(WCLASS, 30, 18), "%-3d");
botsub(makecode(EXPERIENCE, 49, 18), "%-9d");
if (c[LEVEL] != cbak[LEVEL]) {
cursor(59, 18);
lprcat(class[c[LEVEL] - 1]);
}
if (c[LEVEL] > 99)
botsub(makecode(LEVEL, 40, 18), "%3d");
else
botsub(makecode(LEVEL, 40, 18), " %-2d");
c[TMP] = c[STRENGTH] + c[STREXTRA];
botsub(makecode(TMP, 18, 19), "%-2d");
botsub(makecode(INTELLIGENCE, 25, 19), "%-2d");
botsub(makecode(WISDOM, 32, 19), "%-2d");
botsub(makecode(CONSTITUTION, 39, 19), "%-2d");
botsub(makecode(DEXTERITY, 46, 19), "%-2d");
botsub(makecode(CHARISMA, 53, 19), "%-2d");
if ((level != cbak[CAVELEVEL]) || (c[TELEFLAG] != cbak[TELEFLAG])) {
if ((level == 0) || (wizard))
c[TELEFLAG] = 0;
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cbak[TELEFLAG] = c[TELEFLAG];
cbak[CAVELEVEL] = level;
cursor(59, 19);
if (c[TELEFLAG])
lprcat(" ?");
else
lprcat(levelname[level]);
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}
botsub(makecode(GOLD, 69, 19), "%-6d");
botside();
}
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/*
special subroutine to update only the gold number on the bottomlines
called from ogold()
*/
void
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bottomgold()
{
botsub(makecode(GOLD, 69, 19), "%-6d");
/* botsub(GOLD,"%-6d",69,19); */
}
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/*
special routine to update hp and level fields on bottom lines
called in monster.c hitplayer() and spattack()
*/
void
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bot_hpx()
{
if (c[EXPERIENCE] != cbak[EXPERIENCE]) {
recalc();
bot_linex();
} else
botsub(makecode(HP, 5, 19), "%3d");
}
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/*
special routine to update number of spells called from regen()
*/
void
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bot_spellx()
{
botsub(makecode(SPELLS, 9, 18), "%2d");
}
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/*
common subroutine for a more economical bottomline()
*/
static struct bot_side_def {
int typ;
char *string;
}
bot_data[] =
{
{ STEALTH, "stealth"},
{ UNDEADPRO, "undead pro" },
{ SPIRITPRO, "spirit pro" },
{ CHARMCOUNT, "Charm"},
{ TIMESTOP, "Time Stop" },
{ HOLDMONST, "Hold Monst" },
{ GIANTSTR, "Giant Str"},
{ FIRERESISTANCE, "Fire Resit" },
{ DEXCOUNT, "Dexterity" },
{ STRCOUNT, "Strength"},
{ SCAREMONST, "Scare" },
{ HASTESELF, "Haste Self" },
{ CANCELLATION, "Cancel"},
{ INVISIBILITY, "Invisible" },
{ ALTPRO, "Protect 3" },
{ PROTECTIONTIME, "Protect 2"},
{ WTW, "Wall-Walk" }
};
void
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botside()
{
int i, idx;
for (i = 0; i < 17; i++) {
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idx = bot_data[i].typ;
if ((always) || (c[idx] != cbak[idx])) {
if ((always) || (cbak[idx] == 0)) {
if (c[idx]) {
cursor(70, i + 1);
lprcat(bot_data[i].string);
}
} else if (c[idx] == 0) {
cursor(70, i + 1);
lprcat(" ");
}
cbak[idx] = c[idx];
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}
}
always = 0;
}
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static void
botsub(idx, str)
int idx;
char *str;
{
int x, y;
y = idx & 0xff;
x = (idx >> 8) & 0xff;
idx >>= 16;
if (c[idx] != cbak[idx]) {
cbak[idx] = c[idx];
cursor(x, y);
lprintf(str, (long) c[idx]);
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}
}
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/*
* subroutine to draw only a section of the screen
* only the top section of the screen is updated.
* If entire lines are being drawn, then they will be cleared first.
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*/
/* for limited screen drawing */
int d_xmin = 0, d_xmax = MAXX, d_ymin = 0, d_ymax = MAXY;
void
draws(xmin, xmax, ymin, ymax)
int xmin, xmax, ymin, ymax;
{
int i, idx;
if (xmin == 0 && xmax == MAXX) { /* clear section of screen as
* needed */
if (ymin == 0)
cl_up(79, ymax);
else
for (i = ymin; i < ymin; i++)
cl_line(1, i + 1);
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xmin = -1;
}
d_xmin = xmin;
d_xmax = xmax;
d_ymin = ymin;
d_ymax = ymax; /* for limited screen drawing */
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drawscreen();
if (xmin <= 0 && xmax == MAXX) { /* draw stuff on right side
* of screen as needed */
for (i = ymin; i < ymax; i++) {
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idx = bot_data[i].typ;
if (c[idx]) {
cursor(70, i + 1);
lprcat(bot_data[i].string);
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}
cbak[idx] = c[idx];
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}
}
}
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/*
drawscreen()
subroutine to redraw the whole screen as the player knows it
*/
u_char screen[MAXX][MAXY], d_flag; /* template for the screen */
void
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drawscreen()
{
int i, j, k;
int lastx, lasty; /* variables used to optimize the
* object printing */
if (d_xmin == 0 && d_xmax == MAXX && d_ymin == 0 && d_ymax == MAXY) {
d_flag = 1;
clear(); /* clear the screen */
} else {
d_flag = 0;
cursor(1, 1);
}
if (d_xmin < 0)
d_xmin = 0; /* d_xmin=-1 means display all without
* bottomline */
for (i = d_ymin; i < d_ymax; i++)
for (j = d_xmin; j < d_xmax; j++)
if (know[j][i] == 0)
screen[j][i] = ' ';
else if ((k = mitem[j][i]) != 0)
screen[j][i] = monstnamelist[k];
else if ((k = item[j][i]) == OWALL)
screen[j][i] = '#';
else
screen[j][i] = ' ';
for (i = d_ymin; i < d_ymax; i++) {
j = d_xmin;
while ((screen[j][i] == ' ') && (j < d_xmax))
j++;
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/* was m=0 */
if (j >= d_xmax)
m = d_xmin; /* don't search backwards if blank
* line */
else { /* search backwards for end of line */
m = d_xmax - 1;
while ((screen[m][i] == ' ') && (m > d_xmin))
--m;
if (j <= m)
cursor(j + 1, i + 1);
else
continue;
}
while (j <= m) {
if (j <= m - 3) {
for (k = j; k <= j + 3; k++)
if (screen[k][i] != ' ')
k = 1000;
if (k < 1000) {
while (screen[j][i] == ' ' && j <= m)
j++;
cursor(j + 1, i + 1);
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}
}
lprc(screen[j++][i]);
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}
}
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setbold(); /* print out only bold objects now */
for (lastx = lasty = 127, i = d_ymin; i < d_ymax; i++)
for (j = d_xmin; j < d_xmax; j++) {
if ((k = item[j][i]) != 0)
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if (k != OWALL)
if ((know[j][i]) && (mitem[j][i] == 0))
if (objnamelist[k] != ' ') {
if (lasty != i + 1 || lastx != j)
cursor(lastx = j + 1, lasty = i + 1);
else
lastx++;
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lprc(objnamelist[k]);
}
}
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resetbold();
if (d_flag) {
always = 1;
botside();
always = 1;
bot_linex();
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}
oldx = 99;
d_xmin = 0, d_xmax = MAXX, d_ymin = 0, d_ymax = MAXY; /* for limited screen
* drawing */
}
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/*
showcell(x,y)
subroutine to display a cell location on the screen
*/
void
showcell(x, y)
int x, y;
{
int i, j, k, m;
if (c[BLINDCOUNT])
return; /* see nothing if blind */
if (c[AWARENESS]) {
minx = x - 3;
maxx = x + 3;
miny = y - 3;
maxy = y + 3;
} else {
minx = x - 1;
maxx = x + 1;
miny = y - 1;
maxy = y + 1;
}
if (minx < 0)
minx = 0;
if (maxx > MAXX - 1)
maxx = MAXX - 1;
if (miny < 0)
miny = 0;
if (maxy > MAXY - 1)
maxy = MAXY - 1;
for (j = miny; j <= maxy; j++)
for (m = minx; m <= maxx; m++)
if (know[m][j] == 0) {
cursor(m + 1, j + 1);
x = maxx;
while (know[x][j])
--x;
for (i = m; i <= x; i++) {
if ((k = mitem[i][j]) != 0)
lprc(monstnamelist[k]);
else
switch (k = item[i][j]) {
case OWALL:
case 0:
case OIVTELETRAP:
case OTRAPARROWIV:
case OIVDARTRAP:
case OIVTRAPDOOR:
lprc(objnamelist[k]);
break;
default:
setbold();
lprc(objnamelist[k]);
resetbold();
};
know[i][j] = 1;
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}
m = maxx;
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}
}
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/*
this routine shows only the spot that is given it. the spaces around
these coordinated are not shown
used in godirect() in monster.c for missile weapons display
*/
void
show1cell(x, y)
int x, y;
{
if (c[BLINDCOUNT])
return; /* see nothing if blind */
cursor(x + 1, y + 1);
if ((k = mitem[x][y]) != 0)
lprc(monstnamelist[k]);
else
switch (k = item[x][y]) {
case OWALL:
case 0:
case OIVTELETRAP:
case OTRAPARROWIV:
case OIVDARTRAP:
case OIVTRAPDOOR:
lprc(objnamelist[k]);
break;
default:
setbold();
lprc(objnamelist[k]);
resetbold();
};
know[x][y] |= 1; /* we end up knowing about it */
}
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/*
showplayer()
subroutine to show where the player is on the screen
cursor values start from 1 up
*/
void
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showplayer()
{
cursor(playerx + 1, playery + 1);
oldx = playerx;
oldy = playery;
}
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/*
moveplayer(dir)
subroutine to move the player from one room to another
returns 0 if can't move in that direction or hit a monster or on an object
else returns 1
nomove is set to 1 to stop the next move (inadvertent monsters hitting
players when walking into walls) if player walks off screen or into wall
*/
short diroffx[] = {0, 0, 1, 0, -1, 1, -1, 1, -1};
short diroffy[] = {0, 1, 0, -1, 0, -1, -1, 1, 1};
int
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moveplayer(dir)
int dir; /* from = present room # direction =
* [1-north] [2-east] [3-south] [4-west]
* [5-northeast] [6-northwest] [7-southeast]
* [8-southwest] if direction=0, don't
* move--just show where he is */
{
int k, m, i, j;
if (c[CONFUSE])
if (c[LEVEL] < rnd(30))
dir = rund(9); /* if confused any dir */
k = playerx + diroffx[dir];
m = playery + diroffy[dir];
if (k < 0 || k >= MAXX || m < 0 || m >= MAXY) {
nomove = 1;
return (yrepcount = 0);
}
i = item[k][m];
j = mitem[k][m];
if (i == OWALL && c[WTW] == 0) {
nomove = 1;
return (yrepcount = 0);
} /* hit a wall */
if (k == 33 && m == MAXY - 1 && level == 1) {
newcavelevel(0);
for (k = 0; k < MAXX; k++)
for (m = 0; m < MAXY; m++)
if (item[k][m] == OENTRANCE) {
playerx = k;
playery = m;
positionplayer();
drawscreen();
return (0);
}
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}
if (j > 0) {
hitmonster(k, m);
return (yrepcount = 0);
} /* hit a monster */
lastpx = playerx;
lastpy = playery;
playerx = k;
playery = m;
if (i && i != OTRAPARROWIV && i != OIVTELETRAP && i != OIVDARTRAP && i != OIVTRAPDOOR)
return (yrepcount = 0);
else
return (1);
}
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/*
* function to show what magic items have been discovered thus far
* enter with -1 for just spells, anything else will give scrolls & potions
*/
static int lincount, count;
void
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seemagic(arg)
int arg;
{
int i, number = 0;
count = lincount = 0;
nosignal = 1;
if (arg == -1) { /* if display spells while casting one */
for (number = i = 0; i < SPNUM; i++)
if (spelknow[i])
number++;
number = (number + 2) / 3 + 4; /* # lines needed to display */
cl_up(79, number);
cursor(1, 1);
} else {
resetscroll();
clear();
}
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lprcat("The magic spells you have discovered thus far:\n\n");
for (i = 0; i < SPNUM; i++)
if (spelknow[i]) {
lprintf("%s %-20s ", spelcode[i], spelname[i]);
seepage();
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}
if (arg == -1) {
seepage();
more();
nosignal = 0;
draws(0, MAXX, 0, number);
return;
}
lincount += 3;
if (count != 0) {
count = 2;
seepage();
}
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lprcat("\nThe magic scrolls you have found to date are:\n\n");
count = 0;
for (i = 0; i < MAXSCROLL; i++)
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if (scrollname[i][0])
if (scrollname[i][1] != ' ') {
lprintf("%-26s", &scrollname[i][1]);
seepage();
}
lincount += 3;
if (count != 0) {
count = 2;
seepage();
}
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lprcat("\nThe magic potions you have found to date are:\n\n");
count = 0;
for (i = 0; i < MAXPOTION; i++)
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if (potionname[i][0])
if (potionname[i][1] != ' ') {
lprintf("%-26s", &potionname[i][1]);
seepage();
}
if (lincount != 0)
more();
nosignal = 0;
setscroll();
drawscreen();
}
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/*
* subroutine to paginate the seemagic function
*/
void
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seepage()
{
if (++count == 3) {
lincount++;
count = 0;
lprc('\n');
if (lincount > 17) {
lincount = 0;
more();
clear();
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}
}
}