601 lines
14 KiB
C
601 lines
14 KiB
C
/* $NetBSD: create.c,v 1.6 1997/10/18 20:03:09 christos Exp $ */
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/* create.c Larn is copyrighted 1986 by Noah Morgan. */
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: create.c,v 1.6 1997/10/18 20:03:09 christos Exp $");
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#endif /* not lint */
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#include "header.h"
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#include "extern.h"
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#include <unistd.h>
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static void fillroom __P((int, int));
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/*
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makeplayer()
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subroutine to create the player and the players attributes
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this is called at the beginning of a game and at no other time
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*/
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void
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makeplayer()
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{
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int i;
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scbr();
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clear();
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c[HPMAX] = c[HP] = 10; /* start player off with 15 hit points */
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c[LEVEL] = 1; /* player starts at level one */
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c[SPELLMAX] = c[SPELLS] = 1; /* total # spells starts off as 3 */
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c[REGENCOUNTER] = 16;
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c[ECOUNTER] = 96; /* start regeneration correctly */
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c[SHIELD] = c[WEAR] = c[WIELD] = -1;
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for (i = 0; i < 26; i++)
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iven[i] = 0;
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spelknow[0] = spelknow[1] = 1; /* he knows protection, magic missile */
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if (c[HARDGAME] <= 0) {
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iven[0] = OLEATHER;
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iven[1] = ODAGGER;
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ivenarg[1] = ivenarg[0] = c[WEAR] = 0;
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c[WIELD] = 1;
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}
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playerx = rnd(MAXX - 2);
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playery = rnd(MAXY - 2);
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oldx = 0;
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oldy = 25;
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gltime = 0; /* time clock starts at zero */
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cbak[SPELLS] = -50;
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for (i = 0; i < 6; i++)
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c[i] = 12; /* make the attributes, ie str, int, etc. */
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recalc();
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}
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/*
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newcavelevel(level)
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int level;
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function to enter a new level. This routine must be called anytime the
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player changes levels. If that level is unknown it will be created.
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A new set of monsters will be created for a new level, and existing
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levels will get a few more monsters.
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Note that it is here we remove genocided monsters from the present level.
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*/
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void
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newcavelevel(x)
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int x;
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{
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int i, j;
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if (beenhere[level])
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savelevel(); /* put the level back into storage */
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level = x; /* get the new level and put in working
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* storage */
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if (beenhere[x] == 0)
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for (i = 0; i < MAXY; i++)
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for (j = 0; j < MAXX; j++)
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know[j][i] = mitem[j][i] = 0;
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else {
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getlevel();
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sethp(0);
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goto chgn;
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}
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makemaze(x);
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makeobject(x);
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beenhere[x] = 1;
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sethp(1);
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#if WIZID
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if (wizard || x == 0)
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#else
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if (x == 0)
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#endif
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for (j = 0; j < MAXY; j++)
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for (i = 0; i < MAXX; i++)
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know[i][j] = 1;
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chgn: checkgen(); /* wipe out any genocided monsters */
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}
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/*
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makemaze(level)
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int level;
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subroutine to make the caverns for a given level. only walls are made.
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*/
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static int mx, mxl, mxh, my, myl, myh, tmp2;
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void
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makemaze(k)
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int k;
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{
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int i, j, tmp;
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int z;
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if (k > 1 && (rnd(17) <= 4 || k == MAXLEVEL - 1 || k == MAXLEVEL + MAXVLEVEL - 1)) {
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if (cannedlevel(k));
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return; /* read maze from data file */
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}
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if (k == 0)
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tmp = 0;
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else
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tmp = OWALL;
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for (i = 0; i < MAXY; i++)
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for (j = 0; j < MAXX; j++)
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item[j][i] = tmp;
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if (k == 0)
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return;
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eat(1, 1);
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if (k == 1)
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item[33][MAXY - 1] = 0; /* exit from dungeon */
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/* now for open spaces -- not on level 10 */
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if (k != MAXLEVEL - 1) {
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tmp2 = rnd(3) + 3;
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for (tmp = 0; tmp < tmp2; tmp++) {
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my = rnd(11) + 2;
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myl = my - rnd(2);
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myh = my + rnd(2);
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if (k < MAXLEVEL) {
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mx = rnd(44) + 5;
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mxl = mx - rnd(4);
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mxh = mx + rnd(12) + 3;
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z = 0;
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} else {
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mx = rnd(60) + 3;
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mxl = mx - rnd(2);
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mxh = mx + rnd(2);
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z = makemonst(k);
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}
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for (i = mxl; i < mxh; i++)
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for (j = myl; j < myh; j++) {
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item[i][j] = 0;
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if ((mitem[i][j] = z))
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hitp[i][j] = monster[z].hitpoints;
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}
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}
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}
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if (k != MAXLEVEL - 1) {
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my = rnd(MAXY - 2);
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for (i = 1; i < MAXX - 1; i++)
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item[i][my] = 0;
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}
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if (k > 1)
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treasureroom(k);
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}
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/*
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function to eat away a filled in maze
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*/
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void
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eat(xx, yy)
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int xx, yy;
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{
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int dir, try;
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dir = rnd(4);
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try = 2;
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while (try) {
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switch (dir) {
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case 1:
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if (xx <= 2)
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break; /* west */
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if ((item[xx - 1][yy] != OWALL) || (item[xx - 2][yy] != OWALL))
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break;
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item[xx - 1][yy] = item[xx - 2][yy] = 0;
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eat(xx - 2, yy);
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break;
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case 2:
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if (xx >= MAXX - 3)
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break; /* east */
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if ((item[xx + 1][yy] != OWALL) || (item[xx + 2][yy] != OWALL))
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break;
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item[xx + 1][yy] = item[xx + 2][yy] = 0;
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eat(xx + 2, yy);
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break;
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case 3:
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if (yy <= 2)
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break; /* south */
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if ((item[xx][yy - 1] != OWALL) || (item[xx][yy - 2] != OWALL))
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break;
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item[xx][yy - 1] = item[xx][yy - 2] = 0;
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eat(xx, yy - 2);
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break;
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case 4:
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if (yy >= MAXY - 3)
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break; /* north */
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if ((item[xx][yy + 1] != OWALL) || (item[xx][yy + 2] != OWALL))
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break;
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item[xx][yy + 1] = item[xx][yy + 2] = 0;
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eat(xx, yy + 2);
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break;
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};
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if (++dir > 4) {
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dir = 1;
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--try;
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}
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}
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}
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/*
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* function to read in a maze from a data file
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*
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* Format of maze data file: 1st character = # of mazes in file (ascii digit)
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* For each maze: 18 lines (1st 17 used) 67 characters per line
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*
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* Special characters in maze data file:
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*
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* # wall D door . random monster
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* ~ eye of larn ! cure dianthroritis
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* - random object
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*/
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int
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cannedlevel(k)
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int k;
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{
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char *row;
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int i, j;
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int it, arg, mit, marg;
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if (lopen(larnlevels) < 0) {
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write(1, "Can't open the maze data file\n", 30);
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died(-282);
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return (0);
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}
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i = lgetc();
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if (i <= '0') {
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died(-282);
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return (0);
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}
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for (i = 18 * rund(i - '0'); i > 0; i--)
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lgetl(); /* advance to desired maze */
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for (i = 0; i < MAXY; i++) {
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row = lgetl();
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for (j = 0; j < MAXX; j++) {
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it = mit = arg = marg = 0;
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switch (*row++) {
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case '#':
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it = OWALL;
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break;
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case 'D':
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it = OCLOSEDDOOR;
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arg = rnd(30);
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break;
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case '~':
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if (k != MAXLEVEL - 1)
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break;
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it = OLARNEYE;
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mit = rund(8) + DEMONLORD;
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marg = monster[mit].hitpoints;
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break;
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case '!':
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if (k != MAXLEVEL + MAXVLEVEL - 1)
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break;
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it = OPOTION;
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arg = 21;
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mit = DEMONLORD + 7;
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marg = monster[mit].hitpoints;
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break;
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case '.':
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if (k < MAXLEVEL)
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break;
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mit = makemonst(k + 1);
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marg = monster[mit].hitpoints;
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break;
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case '-':
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it = newobject(k + 1, &arg);
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break;
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};
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item[j][i] = it;
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iarg[j][i] = arg;
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mitem[j][i] = mit;
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hitp[j][i] = marg;
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#if WIZID
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know[j][i] = (wizard) ? 1 : 0;
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#else
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know[j][i] = 0;
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#endif
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}
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}
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lrclose();
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return (1);
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}
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/*
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function to make a treasure room on a level
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level 10's treasure room has the eye in it and demon lords
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level V3 has potion of cure dianthroritis and demon prince
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*/
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void
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treasureroom(lv)
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int lv;
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{
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int tx, ty, xsize, ysize;
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for (tx = 1 + rnd(10); tx < MAXX - 10; tx += 10)
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if ((lv == MAXLEVEL - 1) || (lv == MAXLEVEL + MAXVLEVEL - 1) || rnd(13) == 2) {
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xsize = rnd(6) + 3;
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ysize = rnd(3) + 3;
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ty = rnd(MAXY - 9) + 1; /* upper left corner of room */
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if (lv == MAXLEVEL - 1 || lv == MAXLEVEL + MAXVLEVEL - 1)
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troom(lv, xsize, ysize, tx = tx + rnd(MAXX - 24), ty, rnd(3) + 6);
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else
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troom(lv, xsize, ysize, tx, ty, rnd(9));
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}
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}
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/*
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* subroutine to create a treasure room of any size at a given location
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* room is filled with objects and monsters
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* the coordinate given is that of the upper left corner of the room
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*/
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void
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troom(lv, xsize, ysize, tx, ty, glyph)
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int lv, xsize, ysize, tx, ty, glyph;
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{
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int i, j;
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int tp1, tp2;
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for (j = ty - 1; j <= ty + ysize; j++)
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for (i = tx - 1; i <= tx + xsize; i++) /* clear out space for
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* room */
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item[i][j] = 0;
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for (j = ty; j < ty + ysize; j++)
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for (i = tx; i < tx + xsize; i++) { /* now put in the walls */
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item[i][j] = OWALL;
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mitem[i][j] = 0;
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}
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for (j = ty + 1; j < ty + ysize - 1; j++)
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for (i = tx + 1; i < tx + xsize - 1; i++) /* now clear out
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* interior */
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item[i][j] = 0;
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switch (rnd(2)) { /* locate the door on the treasure room */
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case 1:
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item[i = tx + rund(xsize)][j = ty + (ysize - 1) * rund(2)] = OCLOSEDDOOR;
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iarg[i][j] = glyph; /* on horizontal walls */
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break;
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case 2:
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item[i = tx + (xsize - 1) * rund(2)][j = ty + rund(ysize)] = OCLOSEDDOOR;
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iarg[i][j] = glyph; /* on vertical walls */
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break;
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};
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tp1 = playerx;
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tp2 = playery;
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playery = ty + (ysize >> 1);
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if (c[HARDGAME] < 2)
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for (playerx = tx + 1; playerx <= tx + xsize - 2; playerx += 2)
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for (i = 0, j = rnd(6); i <= j; i++) {
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something(lv + 2);
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createmonster(makemonst(lv + 1));
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}
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else
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for (playerx = tx + 1; playerx <= tx + xsize - 2; playerx += 2)
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for (i = 0, j = rnd(4); i <= j; i++) {
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something(lv + 2);
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createmonster(makemonst(lv + 3));
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}
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playerx = tp1;
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playery = tp2;
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}
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/*
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***********
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MAKE_OBJECT
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***********
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subroutine to create the objects in the maze for the given level
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*/
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void
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makeobject(j)
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int j;
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{
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int i;
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if (j == 0) {
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fillroom(OENTRANCE, 0); /* entrance to dungeon */
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fillroom(ODNDSTORE, 0); /* the DND STORE */
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fillroom(OSCHOOL, 0); /* college of Larn */
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fillroom(OBANK, 0); /* 1st national bank of larn */
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fillroom(OVOLDOWN, 0); /* volcano shaft to temple */
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fillroom(OHOME, 0); /* the players home & family */
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fillroom(OTRADEPOST, 0); /* the trading post */
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fillroom(OLRS, 0); /* the larn revenue service */
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return;
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}
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if (j == MAXLEVEL)
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fillroom(OVOLUP, 0); /* volcano shaft up from the temple */
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/* make the fixed objects in the maze STAIRS */
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if ((j > 0) && (j != MAXLEVEL - 1) && (j != MAXLEVEL + MAXVLEVEL - 1))
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fillroom(OSTAIRSDOWN, 0);
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if ((j > 1) && (j != MAXLEVEL))
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fillroom(OSTAIRSUP, 0);
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/* make the random objects in the maze */
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fillmroom(rund(3), OBOOK, j);
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fillmroom(rund(3), OALTAR, 0);
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fillmroom(rund(3), OSTATUE, 0);
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fillmroom(rund(3), OPIT, 0);
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fillmroom(rund(3), OFOUNTAIN, 0);
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fillmroom(rnd(3) - 2, OIVTELETRAP, 0);
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fillmroom(rund(2), OTHRONE, 0);
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fillmroom(rund(2), OMIRROR, 0);
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fillmroom(rund(2), OTRAPARROWIV, 0);
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fillmroom(rnd(3) - 2, OIVDARTRAP, 0);
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fillmroom(rund(3), OCOOKIE, 0);
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if (j == 1)
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fillmroom(1, OCHEST, j);
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else
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fillmroom(rund(2), OCHEST, j);
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if ((j != MAXLEVEL - 1) && (j != MAXLEVEL + MAXVLEVEL - 1))
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fillmroom(rund(2), OIVTRAPDOOR, 0);
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if (j <= 10) {
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fillmroom((rund(2)), ODIAMOND, rnd(10 * j + 1) + 10);
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fillmroom(rund(2), ORUBY, rnd(6 * j + 1) + 6);
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fillmroom(rund(2), OEMERALD, rnd(4 * j + 1) + 4);
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fillmroom(rund(2), OSAPPHIRE, rnd(3 * j + 1) + 2);
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}
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for (i = 0; i < rnd(4) + 3; i++)
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fillroom(OPOTION, newpotion()); /* make a POTION */
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for (i = 0; i < rnd(5) + 3; i++)
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fillroom(OSCROLL, newscroll()); /* make a SCROLL */
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for (i = 0; i < rnd(12) + 11; i++)
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fillroom(OGOLDPILE, 12 * rnd(j + 1) + (j << 3) + 10); /* make GOLD */
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if (j == 5)
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fillroom(OBANK2, 0); /* branch office of the bank */
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froom(2, ORING, 0); /* a ring mail */
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froom(1, OSTUDLEATHER, 0); /* a studded leather */
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froom(3, OSPLINT, 0); /* a splint mail */
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froom(5, OSHIELD, rund(3)); /* a shield */
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froom(2, OBATTLEAXE, rund(3)); /* a battle axe */
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froom(5, OLONGSWORD, rund(3)); /* a long sword */
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froom(5, OFLAIL, rund(3)); /* a flail */
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froom(4, OREGENRING, rund(3)); /* ring of regeneration */
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froom(1, OPROTRING, rund(3)); /* ring of protection */
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froom(2, OSTRRING, 4); /* ring of strength + 4 */
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froom(7, OSPEAR, rnd(5)); /* a spear */
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froom(3, OORBOFDRAGON, 0); /* orb of dragon slaying */
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froom(4, OSPIRITSCARAB, 0); /* scarab of negate spirit */
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froom(4, OCUBEofUNDEAD, 0); /* cube of undead control */
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froom(2, ORINGOFEXTRA, 0); /* ring of extra regen */
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froom(3, ONOTHEFT, 0); /* device of antitheft */
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froom(2, OSWORDofSLASHING, 0); /* sword of slashing */
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if (c[BESSMANN] == 0) {
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froom(4, OHAMMER, 0); /* Bessman's flailing hammer */
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c[BESSMANN] = 1;
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}
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if (c[HARDGAME] < 3 || (rnd(4) == 3)) {
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if (j > 3) {
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froom(3, OSWORD, 3); /* sunsword + 3 */
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froom(5, O2SWORD, rnd(4)); /* a two handed sword */
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froom(3, OBELT, 4); /* belt of striking */
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froom(3, OENERGYRING, 3); /* energy ring */
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froom(4, OPLATE, 5); /* platemail + 5 */
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}
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}
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}
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/*
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subroutine to fill in a number of objects of the same kind
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*/
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void
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fillmroom(n, what, arg)
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int n, arg;
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char what;
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{
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int i;
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for (i = 0; i < n; i++)
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|
fillroom(what, arg);
|
|
}
|
|
void
|
|
froom(n, itm, arg)
|
|
int n, arg;
|
|
char itm;
|
|
{
|
|
if (rnd(151) < n)
|
|
fillroom(itm, arg);
|
|
}
|
|
|
|
/*
|
|
subroutine to put an object into an empty room
|
|
* uses a random walk
|
|
*/
|
|
static void
|
|
fillroom(what, arg)
|
|
int arg;
|
|
char what;
|
|
{
|
|
int x, y;
|
|
|
|
#ifdef EXTRA
|
|
c[FILLROOM]++;
|
|
#endif
|
|
|
|
x = rnd(MAXX - 2);
|
|
y = rnd(MAXY - 2);
|
|
while (item[x][y]) {
|
|
|
|
#ifdef EXTRA
|
|
c[RANDOMWALK]++;/* count up these random walks */
|
|
#endif
|
|
|
|
x += rnd(3) - 2;
|
|
y += rnd(3) - 2;
|
|
if (x > MAXX - 2)
|
|
x = 1;
|
|
if (x < 1)
|
|
x = MAXX - 2;
|
|
if (y > MAXY - 2)
|
|
y = 1;
|
|
if (y < 1)
|
|
y = MAXY - 2;
|
|
}
|
|
item[x][y] = what;
|
|
iarg[x][y] = arg;
|
|
}
|
|
|
|
/*
|
|
subroutine to put monsters into an empty room without walls or other
|
|
monsters
|
|
*/
|
|
int
|
|
fillmonst(what)
|
|
int what;
|
|
{
|
|
int x, y, trys;
|
|
for (trys = 5; trys > 0; --trys) { /* max # of creation attempts */
|
|
x = rnd(MAXX - 2);
|
|
y = rnd(MAXY - 2);
|
|
if ((item[x][y] == 0) && (mitem[x][y] == 0) && ((playerx != x) || (playery != y))) {
|
|
mitem[x][y] = what;
|
|
know[x][y] = 0;
|
|
hitp[x][y] = monster[what].hitpoints;
|
|
return (0);
|
|
}
|
|
}
|
|
return (-1); /* creation failure */
|
|
}
|
|
|
|
/*
|
|
creates an entire set of monsters for a level
|
|
must be done when entering a new level
|
|
if sethp(1) then wipe out old monsters else leave them there
|
|
*/
|
|
void
|
|
sethp(flg)
|
|
int flg;
|
|
{
|
|
int i, j;
|
|
if (flg)
|
|
for (i = 0; i < MAXY; i++)
|
|
for (j = 0; j < MAXX; j++)
|
|
stealth[j][i] = 0;
|
|
if (level == 0) {
|
|
c[TELEFLAG] = 0;
|
|
return;
|
|
} /* if teleported and found level 1 then know
|
|
* level we are on */
|
|
if (flg)
|
|
j = rnd(12) + 2 + (level >> 1);
|
|
else
|
|
j = (level >> 1) + 1;
|
|
for (i = 0; i < j; i++)
|
|
fillmonst(makemonst(level));
|
|
positionplayer();
|
|
}
|
|
|
|
/*
|
|
* Function to destroy all genocided monsters on the present level
|
|
*/
|
|
void
|
|
checkgen()
|
|
{
|
|
int x, y;
|
|
for (y = 0; y < MAXY; y++)
|
|
for (x = 0; x < MAXX; x++)
|
|
if (monster[mitem[x][y]].genocided)
|
|
mitem[x][y] = 0; /* no more monster */
|
|
}
|