fixes to make the Emscripten web version compile correctly

hyperweb.cpp

@@ -1,11 +1,11 @@
 #define ISWEB 1
-#define MINI
-#define NOAUDIO
-#define NOGFX
-#define NOPNG
-#define DEMO
-#define TOUR
+#define ISMINI 1
+#define CAP_AUDIO 0
+#define CAP_SDLGFX 0
+#define CAP_PNG 0
+#define CAP_TOUR 1
 #define CAP_SDLTTF 0
+#define CAP_SHMUP 0
 
 #ifdef FAKEWEB
 void mainloopiter();
@@ -22,10 +22,90 @@ const char *wheresounds;
 
 #include "hyper.cpp"
 
-void playSound(cell *c, const string& fname, int vol) { }
+// -- demo --
+
+bool demoanim;
+
+void toggleanim(bool v) {
+  demoanim = v;
+  if(v) {
+    sightrange = 4;
+    vid.wallmode = 5;
+    vid.particles = true;
+    vid.sspeed = -1;
+    vid.mspeed = -1;
+    geom3::highdetail = geom3::middetail = 5;
+    }
+  else {
+    sightrange = 7;
+    vid.sspeed = 5;
+    vid.mspeed = 5;
+    vid.particles = false;
+    vid.wallmode = 3;
+    geom3::highdetail = geom3::middetail = -1;
+    }
+  }
+
+void showDemo() {
+  gamescreen(2);
+
+  getcstat = ' ';
+  
+  dialog::init(XLAT("HyperRogue %1: online demo", VER), 0xC00000, 200, 100);
+  dialog::addBreak(50);
+
+  dialog::addItem(XLAT("play"), 'f');
+  dialog::addItem(XLAT("tutorial"), 'T');
+  dialog::addItem(XLAT("help"), 'h'); dialog::lastItem().keycaption += " / F1";
+  dialog::addItem(XLAT("toggle high detail"), 'a');
+  dialog::addBreak(100);
+
+  dialog::addTitle("highlights", 0xC00000, 120);
+  dialog::addItem(XLAT("Temple of Cthulhu"), 't');
+  dialog::addItem(XLAT("Land of Storms"), 'l');
+  dialog::addItem(XLAT("Burial Grounds"), 'b');
+
+  dialog::display();
+  
+  keyhandler = [] (int sym, int uni) {
+    dialog::handleNavigation(sym, uni);
+    if(sym == SDLK_F1 || sym == 'h') gotoHelp(help);
+    else if(sym == 'a') {
+      toggleanim(!demoanim);
+      popScreen();
+      }
+    else if(sym == 'f') {
+      firstland = laIce;
+      if(tactic::on) restartGame('t');
+      else restartGame();
+      }
+#if CAP_TOUR
+    else if(sym == 'T') {
+      firstland = laIce;
+      if(!tour::on) tour::start();
+      }
+#endif
+    else if(sym == 't') {
+      firstland = laTemple;
+      if(!tactic::on) restartGame('t');
+      else restartGame();
+      }
+    else if(sym == 'l') {
+      firstland = laStorms;
+      if(!tactic::on) restartGame('t');
+      else restartGame();
+      }
+    else if(sym == 'b') {
+      firstland = laBurial;
+      if(!tactic::on) restartGame('t');
+      else restartGame();
+      items[itOrbSword] = 60;
+      }
+    };
+  }
 
 void initweb() {
   toggleanim(false);
-  cmode = emMenu;
+  // pushScreen(showDemo);
   }