Early Roguelike Collection: arogue7/new

annotate arogue7/new_level.c @ 176:db1c9a21a7c3

srogue: prevent overflowing the score file name. If SCOREFILE is not defined, roguehome() is called to find a directory for the score file. It copies up to PATH_MAX-20 bytes from an environment variable to a static buffer. Later these are strcpy()'d to scorefile, which is of size LINLEN. Unfortunately LINLEN is 80 and PATH_MAX is at least 256. On Linux, it happens to be 4096. I haven't yet managed to crash or exploit it, but there are surely no beneficial consequences, so roguehome() has been modified to check the length, and the string it returns is also checked in main().

author	John "Elwin" Edwards
date	Sun, 02 Aug 2015 12:14:47 -0400
parents	adfa37e67084
children	f9ef86cf22b2

rev	line source
125 adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	1 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	2 * new_level.c - Dig and draw a new level
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	3 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	4 * Advanced Rogue
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	6 * All rights reserved.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	7 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	8 * Based on "Rogue: Exploring the Dungeons of Doom"
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	10 * All rights reserved.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	11 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	12 * See the file LICENSE.TXT for full copyright and licensing information.
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	13 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	14
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	15 #include "curses.h"
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	16 #include "rogue.h"
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	17 #define TERRASAVE 3
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	18
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	19 /*
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	20 * new_level:
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	21 * Dig and draw a new level
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	22 *
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	23 */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	24
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	25 new_level(ltype)
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	26 LEVTYPE ltype; /* designates type of level to create */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	27 {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	28 register int rm, i, cnt;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	29 register char ch;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	30 register struct linked_list *item;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	31 register struct thing *tp;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	32 register struct object *obj;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	33 int waslit = 0; /* Was the previous outside level lit? */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	34 int starty, startx, deltay, deltax;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	35 bool fresh=TRUE, vert, top;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	36 struct room *rp;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	37 struct linked_list nitem, savmonst=NULL, *savitems=NULL;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	38 coord stairs;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	39
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	40 if (wizard) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	41 msg("Turns: %d", turns); /* Number of turns for last level */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	42 mpos = 0;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	43 }
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	44
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	45 /* Start player off right */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	46 turn_off(player, ISHELD);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	47 turn_off(player, ISFLEE);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	48 extinguish(suffocate);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	49 hold_count = 0;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	50 trap_tries = 0;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	51
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	52 /* Are we just entering a dungeon? If so, how big is it? */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	53 if (ltype != OUTSIDE && nfloors < 0) nfloors = HARDER+10 + rnd(11);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	54
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	55 if (level > max_level)
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	56 max_level = level;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	57
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	58 /* Are we starting a new outside level? */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	59 if (ltype == OUTSIDE) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	60 register int i, j;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	61
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	62 /* Save some information prior to clearing the screen */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	63 if (level == -1 \|\| mvinch(hero.y, hero.x) == '-') vert = TRUE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	64 else vert = FALSE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	65
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	66 if (level == -1) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	67 fresh = TRUE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	68 starty = 2;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	69 startx = 1;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	70 deltay = deltax = 1;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	71 level = 0; /* Restore the level */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	72 }
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	73 else { /* Copy several lines of the terrain to the other end */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	74 char cch; /* Copy character */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	75
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	76 /* Was the area dark (not magically lit)? */
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	77 if (!(rooms[0].r_flags & ISDARK)) waslit = 1;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	78
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	79 fresh = FALSE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	80 if ((vert && hero.y == 1) \|\| (!vert && hero.x == 0)) top = TRUE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	81 else top = FALSE;
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	82 for (i=0; i<TERRASAVE; i++) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	83 if (vert)
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	84 for (j=1; j<cols-1; j++) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	85 if (top) {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	86 cch = CCHAR( mvinch(i+2, j) );
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	87 mvaddch(lines-6+i, j, cch);
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	88 }
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	89 else {
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards parents: diff changeset	90 cch = CCHAR( mvinch(lines-4-i, j) );
adfa37e67084 Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490) John "Elwin" Edwards

Mercurial > hg > early-roguelike

annotate arogue7/new_level.c @ 176:db1c9a21a7c3