fixes for Emscripten, and for compiling without tutorial

achievement.cpp

@@ -84,7 +84,9 @@ bool wrongMode(char flags) {
   if(randomPatternsMode) return true;
   if(yendor::on) return true;
   if(tactic::on) return true;
+#ifdef TOUR
   if(tour::on) return true;
+#endif
   if(chaosmode != (flags == 'C')) return true;
   if((numplayers() > 1) != (flags == 'm')) return true;
   return false;
@@ -519,7 +521,9 @@ void achievement_final(bool really_final) {
 #ifdef HAVE_ACHIEVEMENTS
   // upload_score(LB_STATISTICS, time(NULL));
   if(cheater) return;
+#ifdef TOUR
   if(tour::on) return;
+#endif
   
   if(sphere && euclidland == laHalloween) {
     if(shmup::on || chaosmode || purehepta || numplayers() > 1 || tactic::on || randomPatternsMode)

direntx.c

@@ -0,0 +1,472 @@
+/*
+ * dirent.c
+ *
+ * This file has no copyright assigned and is placed in the Public Domain.
+ *
+ * This file is a part of the mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within the package.
+ *
+ * Derived from DIRLIB.C by Matt J. Weinstein 
+ * This note appears in the DIRLIB.H
+ * DIRLIB.H by M. J. Weinstein   Released to public domain 1-Jan-89
+ *
+ * Updated by Jeremy Bettis <jeremy@hksys.com>
+ * Significantly revised and rewinddir, seekdir and telldir added
+ * by Colin Peters <colin@fu.is.saga-u.ac.jp>
+ * Further significantly revised for improved memory utilisation,
+ * efficiency in operation, and better POSIX standards compliance
+ * by Keith Marshall <keithmarshall@users.sourceforge.net>
+ *	
+ */
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <io.h>
+#include <dirent.h>
+
+extern "C" {
+_CRTIMP char* __cdecl __MINGW_NOTHROW	_fullpath (char*, const char*, size_t);
+}
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <tchar.h>
+
+#define DIRENT_RETURN_NOTHING
+#define DIRENT_REJECT( chk, err, rtn )	\
+  do { if( chk ){ errno = (err); return rtn; }} while(0)
+
+union __dirstream_t
+{
+  /* Actual (private) declaration for opaque data type "DIR". */
+
+  /* dirent struct to return from dir (NOTE: this makes this thread
+   * safe as long as only one thread uses a particular DIR struct at
+   * a time) */
+  struct dirent	dd_dir;
+
+  struct __dirstream_private_t
+  {
+    /* Three padding fields, matching the head of dd_dir...
+     */
+    long		dd_ino;		/* Always zero. */
+    unsigned short	dd_reclen;	/* Always zero. */
+    unsigned short	dd_namlen;	/* Length of name in d_name. */
+
+    /* ...to keep the start of this disk transfer area for this dir
+     * aligned at the offset of the dd_dir.d_type field
+     */
+    struct _finddata_t	dd_dta;
+
+    /* _findnext handle */
+    intptr_t		dd_handle;
+
+    /* Status of search:
+     *   (type is now int -- was short in older versions).
+     *   0 = not started yet (next entry to read is first entry)
+     *  -1 = off the end
+     *   positive = 0 based index of next entry
+     */
+    int			dd_stat;
+
+    /* given path for dir with search pattern (struct is extended) */
+    char		dd_name[1];
+
+  } dd_private;
+};
+
+union __wdirstream_t
+{
+  /* Actual (private) declaration for opaque data type "_WDIR". */
+
+  /* dirent struct to return from dir (NOTE: this makes this thread
+   * safe as long as only one thread uses a particular DIR struct at
+   * a time) */
+  struct _wdirent	dd_dir;
+
+  struct __wdirstream_private_t
+  {
+    /* Three padding fields, matching the head of dd_dir...
+     */
+    long		dd_ino;		/* Always zero. */
+    unsigned short	dd_reclen;	/* Always zero. */
+    unsigned short	dd_namlen;	/* Length of name in d_name. */
+
+    /* ...to keep the start of this disk transfer area for this dir
+     * aligned at the offset of the dd_dir.d_type field
+     */
+    struct _wfinddata_t	dd_dta;
+
+    /* _findnext handle */
+    intptr_t		dd_handle;
+
+    /* Status of search:
+     *   0 = not started yet (next entry to read is first entry)
+     *  -1 = off the end
+     *   positive = 0 based index of next entry
+     */
+    int			dd_stat;
+
+    /* given path for dir with search pattern (struct is extended) */
+    wchar_t		dd_name[1];
+
+  } dd_private;
+};
+
+/* We map the BSD d_type field in the returned dirent structure
+ * from the Microsoft _finddata_t dd_dta.attrib bits, which are:
+ *
+ *   _A_NORMAL	(0x0000)	normal file: best fit for DT_REG
+ *   _A_RDONLY	(0x0001)	read-only: no BSD d_type equivalent
+ *   _A_HIDDEN	(0x0002)	hidden entity: no BSD equivalent
+ *   _A_SYSTEM	(0x0004)	system entity: no BSD equivalent
+ *   _A_VOLID	(0x0008)	volume label: no BSD equivalent
+ *   _A_SUBDIR	(0x0010)	directory: best fit for DT_DIR
+ *   _A_ARCH	(0x0020)	"dirty": no BSD equivalent
+ *
+ * Of these, _A_RDONLY, _A_HIDDEN, _A_SYSTEM, and _A_ARCH are
+ * modifier bits, rather than true entity type specifiers; we
+ * will ignore them in the mapping, by applying this mask:
+ */
+#define DT_IGNORED	(_A_RDONLY | _A_HIDDEN | _A_SYSTEM | _A_ARCH)
+
+#define DIRENT_OPEN(D)	\
+    ((D).dd_handle = _tfindfirst((D).dd_name, &((D).dd_dta)))
+
+#define DIRENT_UPDATE(D)  \
+    _tfindnext( (D).dd_handle, &(D).dd_dta )
+
+
+/*****
+ *
+ * opendir()
+ *
+ * Returns a pointer to a DIR structure appropriately filled in
+ * to begin searching a directory.
+ *
+ */
+_TDIR * 
+_topendir( const _TCHAR *path_name )
+{
+  _TDIR *nd;
+  _TCHAR abs_path[MAX_PATH];
+	
+  /* Reject any request which passes a NULL or an empty path name;
+   * note that POSIX doesn't specify the handling for the NULL case,
+   * and some implementations may simply fail with a segmentation
+   * fault.  We will fail more gracefully.  Previous versions used
+   * EFAULT here, but EINVAL seems more appropriate; however, POSIX
+   * specifies neither of these for any opendir() failure.
+   */
+  DIRENT_REJECT( (path_name == NULL), EINVAL, (_TDIR *)(NULL) );
+  /*
+   * Conversely, POSIX *does* specify ENOENT for the empty path
+   * name case, where we previously had ENOTDIR; here, we correct
+   * this previous anomaly.
+   */
+  DIRENT_REJECT( (*path_name == _T('\0')), ENOENT, (_TDIR *)(NULL) );
+
+  /* Identify the absolute path name corresponding to the (maybe
+   * relative) path name we are to process; (this ensures that we
+   * may always refer back to this same path name, e.g. to rewind
+   * the "directory stream", even after an intervening change of
+   * current working directory).
+   */
+  _tfullpath( abs_path, path_name, MAX_PATH );
+
+  /* Ensure that the generated absolute path name ends with a
+   * directory separator (backslash) character, so that we may
+   * correctly append a wild-card matching pattern which will
+   * cause _findfirst() and _findnext() to return every entry
+   * in the specified directory; (note that, for now we may
+   * simply assume that abs_path refers to a directory;
+   * we will verify that when we call _findfirst() on it).
+   */
+  if( *abs_path != _T('\0') )
+    {
+      size_t offset = _tcslen( abs_path ) - 1;
+      if( (abs_path[offset] != _T('/')) && (abs_path[offset] != _T('\\')) )
+	_tcscat( abs_path, _T("\\") );
+    }
+
+  /* Now append the "match everything" wild-card pattern.
+   */
+  _tcscat( abs_path, _T("*") );
+
+  /* Allocate space to store DIR structure.  The size MUST be
+   * adjusted to accommodate the complete absolute path name for
+   * the specified directory, extended to include the wild-card
+   * matching pattern, as above; (note that we DO NOT need any
+   * special provision for the terminating NUL on the path name,
+   * since the base size of the DIR structure includes it).
+   */
+  nd = (_TDIR *)(malloc(
+	 sizeof( _TDIR ) + (_tcslen( abs_path ) * sizeof( _TCHAR ))
+       ));
+
+  /* Bail out, if insufficient memory.
+   */ 
+  DIRENT_REJECT( (nd == NULL), ENOMEM, (_TDIR *)(NULL) );
+
+  /* Copy the extended absolute path name string into place
+   * within the allocated space for the DIR structure.
+   */
+  _tcscpy( nd->dd_private.dd_name, abs_path );
+
+  /* Initialize the "directory stream", by calling _findfirst() on it;
+   * this leaves the data for the first directory entry in the internal
+   * dirent buffer, ready to be retrieved by readdir().
+   */
+  if( DIRENT_OPEN( nd->dd_private ) == (intptr_t)(-1) )
+    {
+      /* The _findfirst() call, (implied by DIRENT_OPEN), failed;
+       * _findfirst() sets EINVAL where POSIX mandates ENOTDIR...
+       */
+      if( errno == EINVAL )
+	errno = ENOTDIR;
+
+      /* ...otherwise, while it may not be strictly POSIX conformant,
+       * just accept whatever value _findfirst() assigned to errno.  In
+       * any event, prepare to return the NULL "directory stream"; since
+       * this implies that we will lose our reference pointer to the
+       * block of memory we allocated for the stream, free that
+       * before we bail out.
+       */
+      free( nd );
+      return (_TDIR *)(NULL);
+    }
+
+  /* Initialize the status, (i.e. the location index), so that
+   * readdir() will simply return the first directory entry, which
+   * has already been fetched by _findfirst(), without performing
+   * an intervening _findnext() call.
+   */
+  nd->dd_private.dd_stat = 0;
+
+  /* The d_ino and d_reclen fields have no relevance in MS-Windows;
+   * initialize them to zero, as a one-time assignment for this DIR
+   * instance, and henceforth forget them; (users should simply
+   * ignore them).
+   */
+  nd->dd_dir.d_ino = 0;
+  nd->dd_dir.d_reclen = 0;
+
+  /* We've now completely initialized an instance of a DIR structure,
+   * representing the requested "directory stream"; return a pointer
+   * via which the caller may access it.
+   */
+  return nd;
+}
+
+
+/*****
+ *
+ * readdir()
+ *
+ * Return a pointer to a dirent structure filled in with information
+ * on the next available entry, (if any), in the "directory stream".
+ */
+struct _tdirent *
+_treaddir( _TDIR *dirp )
+{
+  /* Check for a valid DIR stream reference; (we can't really
+   * be certain until we try to read from it, except in the case
+   * of a NULL pointer reference).  Where we lack a valid reference,
+   * POSIX mandates reporting EBADF; we previously had EFAULT, so
+   * this version corrects the former anomaly.
+   */ 
+  DIRENT_REJECT( (dirp == NULL), EBADF, (struct _tdirent *)(NULL) );
+
+  /* Okay to proceed.  If this is the first readdir() request
+   * following an opendir(), or a rewinddir(), then we already
+   * have the requisite return information...
+   */
+  if( dirp->dd_private.dd_stat++ > 0 )
+    {
+      /* Otherwise...
+       *
+       * Get the next search entry.  POSIX mandates that this must
+       * return NULL after the last entry has been read, but that it
+       * MUST NOT change errno in this case.  MS-Windows _findnext()
+       * DOES change errno (to ENOENT) after the last entry has been
+       * read, so we must be prepared to restore it to its previous
+       * value, when no actual error has occurred.
+       */
+      int prev_errno = errno;
+      if( DIRENT_UPDATE( dirp->dd_private ) != 0 )
+	{
+	  /* May be an error, or just the case described above...
+	   */
+	  if( GetLastError() == ERROR_NO_MORE_FILES )
+	    /*
+	     * ...which requires us to reset errno.
+	     */
+	    errno = prev_errno;	
+
+	  /* In either case, there is no valid data to return.
+	   */
+	  return (struct _tdirent *)(NULL);
+	}
+    }
+
+  /* Successfully got an entry.  Everything about the file is
+   * already appropriately filled in, except for the length of
+   * the file name in the d_namlen field...
+   */
+  dirp->dd_dir.d_namlen = _tcslen( dirp->dd_dir.d_name );
+  /*
+   * ...and the attributes returned in the dd_dta.attrib field;
+   * these require adjustment to their BSD equivalents, which are
+   * returned via the union with the dd_dir.d_type field:
+   */
+  switch( dirp->dd_dir.d_type &= ~DT_IGNORED )
+    {
+      case DT_REG:
+      case DT_DIR:
+	/* After stripping out the modifier bits in DT_IGNORED,
+	 * (which we ALWAYS ignore), this pair require no further
+	 * adjustment...
+	 */
+	break;
+
+      default:
+	/* ...while nothing else has an appropriate equivalent
+	 * in the BSD d_type identification model.
+	 */
+	dirp->dd_dir.d_type = DT_UNKNOWN;
+    }
+  return &dirp->dd_dir;
+}
+
+
+/*****
+ *
+ * closedir()
+ *
+ * Frees up resources allocated by opendir().
+ *
+ */
+int
+_tclosedir( _TDIR * dirp )
+{
+  /* Attempting to reference a directory stream via a NULL pointer
+   * would cause a segmentation fault; evade this.  Since NULL can
+   * never represent an open directory stream, set the EBADF errno
+   * status, as mandated by POSIX, once again correcting previous
+   * anomalous use of EFAULT in this context.
+   */
+  DIRENT_REJECT(
+      ((dirp == NULL) || (_findclose( dirp->dd_private.dd_handle ) != 0)),
+	EBADF, -1
+    );
+
+  /* If we didn't bail out above, we have a valid DIR structure
+   * with which we have finished; release the memory allocated
+   * to it, before returning "success".
+   */
+  free( dirp );
+  return 0;
+}
+
+
+/*****
+ *
+ * rewinddir()
+ *
+ * Return to the beginning of the directory "stream".  We simply call
+ * _findclose(), to clear prior context, then _findfirst() to restart
+ * the directory search, resetting the location index appropriately,
+ * as it would be left by opendir().
+ *
+ */
+void
+_trewinddir( _TDIR * dirp )
+{
+  /* This is an XSI extension to POSIX, which specifies no formal
+   * error conditions; we will continue to check for and evade the
+   * potential segmentation fault which would result from passing a
+   * NULL reference pointer.  For consistency with the core functions
+   * implemented above, we will again report this as EBADF, rather
+   * than the EFAULT of previous versions.
+   */
+  DIRENT_REJECT(
+      ((dirp == NULL) || (_findclose( dirp->dd_private.dd_handle ) != 0)),
+	EBADF, DIRENT_RETURN_NOTHING
+    );
+  
+  /* We successfully closed the prior search context; reopen...
+   */
+  if( DIRENT_OPEN( dirp->dd_private ) != (intptr_t)(-1) )
+    /*
+     * ...and, on success, reset the location index.
+     */
+    dirp->dd_private.dd_stat = 0;
+}
+
+
+/*****
+ *
+ * telldir()
+ *
+ * Returns the "position" in the "directory stream" which can then
+ * be passed to seekdir(), to return back to a previous entry.  We
+ * simply return the current location index from the dd_stat field.
+ *
+ */
+long
+_ttelldir( _TDIR * dirp )
+{
+  /* This too is a POSIX-XSI extension, with no mandatory error
+   * conditions.  Once again, evade a potential segmentation fault
+   * on passing a NULL reference pointer, again reporting it as
+   * EBADF in preference to the EFAULT of previous versions.
+   */
+  DIRENT_REJECT( (dirp == NULL), EBADF, -1 );
+
+  /* We didn't bail out; just assume dirp is valid, and return
+   * the location index from the dd_stat field.
+   */
+  return dirp->dd_private.dd_stat;
+}
+
+
+/*****
+ *
+ * seekdir()
+ *
+ * Seek to an entry previously returned by telldir().  We rewind
+ * the "directory stream", then repeatedly call _findnext() while
+ * incrementing its internal location index until it matches the
+ * position requested, or we reach the end of the stream.  This is
+ * not perfect, in that the directory may have changed while we
+ * weren't looking, but it is the best we can achieve, and may
+ * likely reproduce the behaviour of other implementations.
+ *
+ */
+void
+_tseekdir( _TDIR * dirp, long loc )
+{
+  /* Another POSIX-XSI extension, with no specified mandatory
+   * error conditions; we require a seek location of zero or
+   * greater, and will reject less than zero as EINVAL...
+   */
+  DIRENT_REJECT( (loc < 0L), EINVAL, DIRENT_RETURN_NOTHING );
+
+  /* Other than this, we simply accept any error condition
+   * which arises as we "rewind" the "directory stream"...
+   */
+  _trewinddir( dirp );
+
+  /* ...and, if this is successful...
+   */
+  if( (loc > 0) && (dirp->dd_private.dd_handle != (intptr_t)(-1)) )
+    /*
+     * ...seek forward until the location index within
+     * the DIR structure matches the requested location.
+     */
+    while( (++dirp->dd_private.dd_stat < loc)
+      &&   (DIRENT_UPDATE( dirp->dd_private ) == 0)  )
+      ;
+}
+
+/* $RCSfile: dirent.c,v $: end of file */

game.cpp

@@ -5392,8 +5392,10 @@ void movecost(cell* from, cell *to) {
       addMessage(XLAT("As you leave, your powers are drained!"));
     }
   
+#ifdef TOUR
   if(from->land != to->land && tour::on)
     tour::checkGoodLand(to->land);
+#endif
   
   if(to->land ==laCrossroads4 && !chaosUnlocked) {
     achievement_gain("CR4");
@@ -5574,10 +5576,12 @@ bool collectItem(cell *c2, bool telekinesis) {
     if(shmup::on) gainLife();
     else placeGolem(cwt.c, c2, moTameBomberbird);
     }
+#ifdef TOUR
   else if(tour::on && (c2->item == itOrbSafety || c2->item == itOrbRecall)) {
     addMessage(XLAT("This Orb is not compatible with the Tutorial."));
     return true;
     }
+#endif
   else if(c2->item == itOrbSafety) {
     playSound(c2, "pickup-orb"); // TODO safety
     items[c2->item] += 7;

graph.cpp

@@ -6728,8 +6728,10 @@ void showGameover() {
   dialog::addInfo(XLAT("Your score: %1", its(gold())));
   dialog::addInfo(XLAT("Enemies killed: %1", its(tkills())));
 
-  if(tour::on) ;
-  else if(items[itOrbYendor]) {
+#ifdef TOUR
+  if(tour::on) ; else 
+#endif
+  if(items[itOrbYendor]) {
     dialog::addInfo(XLAT("Orbs of Yendor found: %1", its(items[itOrbYendor])), iinf[itOrbYendor].color);
     dialog::addInfo(XLAT("CONGRATULATIONS!"), iinf[itOrbYendor].color);
     }
@@ -7638,9 +7640,11 @@ void drawscreen() {
 
   #ifndef MOBILE
   if(cmode == emNormal || cmode == emVisual1 || cmode == emVisual2 || cmode == emChangeMode ) {
+#ifdef TOUR
     if(tour::on) 
       displayButton(vid.xres-8, vid.yres-vid.fsize, XLAT("(ESC) tour menu"), SDLK_ESCAPE, 16);
     else
+#endif
       displayButton(vid.xres-8, vid.yres-vid.fsize, XLAT("(v) menu"), 'v', 16);
     }
   #endif  

hyperweb.cpp

@@ -5,6 +5,7 @@
 #define NOGFX
 #define NOPNG
 #define DEMO
+#define TOUR
 
 #ifdef FAKEWEB
 void mainloopiter();
@@ -17,6 +18,8 @@ void initweb();
 
 void loadCompressedChar(int &otwidth, int &otheight, int *tpix);
 
+const char *wheresounds;
+
 #include "hyper.cpp"
 
 void playSound(cell *c, const string& fname, int vol) { }

mapeditor.cpp

@@ -13,6 +13,8 @@
 
 namespace mapeditor {
   int subcanvas;
+  int displaycodes;
+
 #ifndef NOEDIT
   map<int, cell*> modelcell;
   
@@ -425,7 +427,6 @@ namespace mapeditor {
   int subscreen; //0=normal, 1=config, 2=patterns, 3=predesigned
 
   bool symRotation, sym01, sym02, sym03;
-  int displaycodes;
   int whichpart;
   
   cell *drawcell;

menus.cpp

@@ -1493,7 +1493,7 @@ void showDemo() {
   dialog::addBreak(50);
 
   dialog::addItem(XLAT("play"), 'f');
-  dialog::addItem(XLAT("tutorial"), 't');
+  dialog::addItem(XLAT("tutorial"), 'T');
   dialog::addItem(XLAT("help"), 'h'); dialog::lastItem().keycaption += " / F1";
   dialog::addItem(XLAT("toggle high detail"), 'a');
   dialog::addBreak(100);
@@ -1522,9 +1522,9 @@ void handleDemoKey(int sym, int uni) {
     else restartGame();
     cmode = emNormal;
     }
-  else if(sym == 't') {
+  else if(sym == 'T') {
     firstland = laIce;
-    if(!tour::on) restartGame('T');
+    if(!tour::on) tour::start();
     cmode = emNormal;
     }
   else if(sym == 't') {

tour.cpp

@@ -42,10 +42,15 @@ static struct { const char *name; int id; int legal; const char *help; } slides[
     }, 
   {"Hypersian Rug model", 21, LEGAL_HYPERBOLIC,
     "New players think that the action of HyperRogue takes place on a sphere. "
+#ifdef WEB
+    "This is not true -- try the Turorial in the native desktop version shows "
+    "the surface HyperRogue actually takes place on."
+#else
     "This is not true -- the next slide will show the surface HyperRogue "
     "actually takes place on.\n\n"
     "Use arrow keys to rotate the model, and Page Up/Down to zoom.\n\n"
     "If you do not see anything, press '5' to try a safer renderer."
+#endif
     }, 
   {"Expansion", 22, LEGAL_ANY,
     "The next slide shows the number of cells in distance 1, 2, 3, ... from you. "
@@ -205,6 +210,7 @@ static struct { const char *name; int id; int legal; const char *help; } slides[
     "The following slide is a visualization of the Collatz conjecture. "
     "Press '5' for a spiral rendering of the Collatz conjecture visualization."},
 #endif
+#ifndef WEB
   {"Shoot'em up mode", 52, LEGAL_NONE,
     "In the shoot'em up mode, space and time is continuous. "
     "You attack by throwing knives. "
@@ -212,6 +218,7 @@ static struct { const char *name; int id; int legal; const char *help; } slides[
     "There are other special modes too which change the gameplay or "
     "focus on a particular challenge."
     },
+#endif
   {"THE END", 99, LEGAL_ANY,
     "This tour shows just a small part of what you can see in the world of HyperRogue. "
     "For example, "
@@ -275,6 +282,7 @@ void presentation(int mode) {
   // Hypersian Rug  
   if(id == 21) {
     static int wm, mm;
+#ifndef WEB
     if(mode == 1) {
       rug::init();
       wm = vid.wallmode;
@@ -292,6 +300,7 @@ void presentation(int mode) {
       rug::rendernogl = !rug::rendernogl;
       rug::init();
       }
+#endif
     }
   
   // Expansion

yendor.cpp

@@ -789,7 +789,10 @@ int newmodecode = 254;
 
 int modecode() {
 #ifndef NOSAVE
-  if(anticheat::tampered || cheater || tour::on) return 6;
+  if(anticheat::tampered || cheater) return 6;
+#ifdef TOUR
+  if(tour::on) return 6;
+#endif
   if(quotient) return 6;
 #endif
   int xcode = 0;