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/*
 * debug.c: Rog-O-Matic XIV (CMU) Fri Dec 28 21:48:55 1984 - mlm
 * Copyright (C) 1985 by A. Appel, G. Jacobson, L. Hamey, and M. Mauldin
 *
 * This file contains the code for the debugger.  Rogomatic has one of
 * the tensest internal debuggers around, because in the early days it
 * had an incredible number of bugs, with no way to repeat an error
 * (because Rogue uses a different dungeon each time).
 */

# include <curses.h>
# include <setjmp.h>  
# include "types.h"
# include "globals.h"
# include "install.h"

/*
 * Debugging wait loop: Handle the usual Rogomatic command chars, and also
 * allows dumping the flags '^' command. Exits when a non-command char is
 * typed. To use, just put a "dwait (type, "message");" wherever you need 
 * debugging messages, and hit a space or a cr to continue
 */

dwait (msgtype, f, a1, a2, a3, a4, a5, a6, a7, a8)
char *f;
int msgtype, a1, a2, a3, a4, a5, a6, a7, a8;
{ char msg[128];
  int r, c;

  /* Build the actual message */
  sprintf (msg, f, a1, a2, a3, a4, a5, a6, a7, a8);

  /* Log the message if the error is severe enough */
  if (!replaying && (msgtype & (D_FATAL | D_ERROR | D_WARNING)))
  { char errfn[128]; FILE *errfil;

    sprintf (errfn, "%s/error%s", RGMDIR, versionstr);
    if ((errfil = wopen (errfn, "a")) != NULL)
    { fprintf (errfil, "User %s, error type %d:  %s\n\n",
               getname(), msgtype, msg);
      if (msgtype & (D_FATAL | D_ERROR))
      { printsnap (errfil);
        summary (errfil, NEWLINE);
        fprintf (errfil, "\f\n");
      }
      fclose (errfil);
    }
  }

  if (msgtype & D_FATAL)
  { extern jmp_buf commandtop;			/* From play */
    saynow (msg);
    playing = 0;
    quitrogue ("fatal error trap", Gold, SAVED);
    longjmp (commandtop);
  }

  if (! debug (msgtype | D_INFORM))		/* If debugoff */
  { if (msgtype & D_SAY)			  /* Echo? */
    { saynow (msg); return (1); }		  /* Yes => win */
    return (0);					  /* No => lose */
  }

  if (*msg) { mvaddstr (0, 0, msg); clrtoeol (); }	/* Write msg */
  if (noterm) return (1);				/* Exit if no user */

  /* Debugging loop, accept debugging commands from user */  
  while (1)
  { refresh ();
    switch (fgetc (stdin))
    { case '?': 
        say ("i=inv, d=debug !=stf, @=mon, #=wls, $=id, ^=flg, &=chr");
        break;
      case 'i': at (1,0); dumpinv (NULL); at (row, col); break;
      case 'd': toggledebug (); 	break;
      case 't': transparent = 1;        break;
      case '!': dumpstuff ();           break;
      case '@': dumpmonster ();         break;
      case '#': dumpwalls ();           break;
      case '^': promptforflags ();	break;
      case '&':
	if (getscrpos ("char", &r, &c))
	  saynow ("Char at %d,%d '%c'", r, c, screen[r][c]);
        break;
      case '(': dumpdatabase (); at (row, col); break;
      case ')': markcycles (DOPRINT); at (row, col); break;
      case '~': saynow ("Version %d, quit at %d", version, quitat); break;
      case '/': dosnapshot (); break;
      default: at (row, col); return (1);
    }
  }
}

/* 
 * promptforflags: Prompt the user for a location and dump its flags.
 */

promptforflags ()
{ int r, c;

  if (getscrpos ("flags", &r, &c))
  { mvprintw (0, 0, "Flags for %d,%d ", r, c);
    dumpflags (r, c);
    clrtoeol ();
    at (row, col);
  }
}

/* 
 * dumpflags: Create a message line for the scrmap flags of a particular
 *            square.  Note that the fnames[] array must match the
 *            various flags defined in "types.h".
 */

char *fnames[] = 
{ "been",    "cango",    "door",     "hall",     "psd",     "room",
  "safe",    "seen",     "deadend",  "stuff",    "trap",    "arrow",
  "trapdor", "teltrap",  "gastrap",  "beartrap", "dartrap", "waterap",
  "monster", "wall",     "useless",  "scarem",   "stairs",  "runok",
  "boundry", "sleeper",  "everclr"
};

dumpflags (r, c)
int   r, c;
{ char **f; int b;

    printw (":");
    for (f=fnames, b=1;   b<=EVERCLR;   b = b * 2, f++)
      if (scrmap[r][c] & b)
        printw ("%s:", *f);
}

/* 
 * Timehistory: print a time analysis of the game.
 */

timehistory (f, sep)
FILE *f;
char sep;
{ register int i, j;
  char s[2048];

  timespent[0].timestamp = 0;

  sprintf (s, "Time Analysis: %s%c%c",
           "othr hand fght rest move expl rung grop srch door total",
           sep, sep);

  for (i=1; i<=MaxLevel; i++)
  { sprintf (s, "%slevel %2d:     ", s, i);
    for (j = T_OTHER; j < T_LISTLEN; j++)
      sprintf (s, "%s%5d", s, timespent[i].activity[j]);
    sprintf (s, "%s%6d%c",
             s, timespent[i].timestamp - timespent[i-1].timestamp, sep);
  }

  if (f == NULL)
    addstr (s);
  else
    fprintf (f, "%s", s);
}

/* 
 * toggledebug: Set the value of the debugging word.
 */

toggledebug ()
{ char debugstr[100];
  int type = debugging & ~(D_FATAL | D_ERROR | D_WARNING);

  if (debugging == D_ALL)         debugging = D_NORMAL;
  else if (debugging == D_NORMAL) debugging = D_NORMAL | D_SEARCH;
  else if (type == D_SEARCH)      debugging = D_NORMAL | D_BATTLE;
  else if (type == D_BATTLE)      debugging = D_NORMAL | D_MESSAGE;
  else if (type == D_MESSAGE)     debugging = D_NORMAL | D_PACK;
  else if (type == D_PACK)        debugging = D_NORMAL | D_MONSTER;
  else if (type == D_MONSTER)     debugging = D_NORMAL | D_CONTROL;
  else if (type == D_CONTROL)     debugging = D_NORMAL | D_SCREEN;
  else if (type == D_SCREEN)      debugging = D_NORMAL | D_WARNING;
  else if (!debug (D_INFORM))     debugging = D_NORMAL | D_WARNING | D_INFORM;
  else                            debugging = D_ALL;
  
  strcpy (debugstr, "Debugging :");

  if (debug(D_FATAL))     strcat (debugstr, "fatal:");
  if (debug(D_ERROR))     strcat (debugstr, "error:");
  if (debug(D_WARNING))   strcat (debugstr, "warn:");
  if (debug(D_INFORM))    strcat (debugstr, "info:");
  if (debug(D_SEARCH))    strcat (debugstr, "search:");
  if (debug(D_BATTLE))    strcat (debugstr, "battle:");
  if (debug(D_MESSAGE))   strcat (debugstr, "msg:");
  if (debug(D_PACK))      strcat (debugstr, "pack:");
  if (debug(D_CONTROL))   strcat (debugstr, "ctrl:");
  if (debug(D_SCREEN))    strcat (debugstr, "screen:");
  if (debug(D_MONSTER))   strcat (debugstr, "monster:");
  
  saynow (debugstr);
}

/* 
 * getscrpos: Prompt the user for an x,y coordinate on the screen.
 */

getscrpos (msg, r, c)
char *msg;
int *r, *c;
{ char buf[256];

  saynow ("At %d,%d: enter 'row,col' for %s: ", atrow, atcol, msg);

  if (fgets (buf, 256, stdin))
  { sscanf (buf, "%d,%d", r, c);
    if (*r>=1 && *r<23 && *c>=0 && *c<=79)
      return (1);
    else
      say ("%d,%d is not on the screen!", *r, *c);
  }

  at (row, col);
  return (0);
}
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