rogueviz:: tutorial, start/main menu, and welcome message done as hooks

help.cpp

@@ -961,6 +961,7 @@ void gotoHelp(const string& h) {
   pushScreen(showHelp);
   if(help == "@") {
 
+/*
 #if CAP_ROGUEVIZ  
   if(rogueviz::on) {
     help = rogueviz::makehelp();
@@ -968,6 +969,7 @@ void gotoHelp(const string& h) {
     return;
     }
 #endif
+*/
 
 #if CAP_RUG
   if(rug::rugged) {

hyper.h

@@ -1888,6 +1888,7 @@ namespace tour {
     void list(slide*);
     }
 
+  extern hookset<void(int)> *hooks_slide;
   };
 #endif
 
@@ -2019,7 +2020,7 @@ template<class T, class U> int addHook(hookset<T>*& m, int prio, const U& hook)
   return 0;
   }
 
-extern purehookset hooks_frame, hooks_stats, clearmemory, hooks_config, hooks_tests, hooks_removecells, hooks_initgame, hooks_calcparam;
+extern purehookset hooks_frame, hooks_stats, clearmemory, hooks_config, hooks_tests, hooks_removecells, hooks_initgame, hooks_calcparam, hooks_mainmenu, hooks_startmenu;
 
 template<class T, class... U> void callhooks(hookset<T> *h, U... args) {
   if(h) for(auto& p: *h) p.second(args...);
@@ -2039,6 +2040,7 @@ extern hookset<bool(int argc, char** argv)> *hooks_main;
 extern hookset<int()> *hooks_args;
 extern hookset<bool(cell*)> *hooks_mark;
 extern hookset<eLand(eLand)> *hooks_nextland;
+extern hookset<bool()> *hooks_welcome_message;
 
 // hooks to extend HyperRogue with an external program
 // start compilation from another file which defines EXTRA_..., includes

menus.cpp

@@ -183,6 +183,8 @@ void showOverview() {
 
 // -- main menu --
 
+purehookset hooks_mainmenu;
+
 void showMainMenu() {
   gamescreen(2);
 
@@ -225,10 +227,6 @@ void showMainMenu() {
   if(inv::on)
     dialog::addItem(XLAT("inventory"), 'i');    
 
-#if CAP_ROGUEVIZ
-  dialog::addItem(XLAT("rogueviz menu"), 'u'); 
-#endif
-  
 #if ISMOBILE==1
 #if CAP_ACHIEVE
   dialog::addItem(XLAT("leaderboards/achievements"), '3'); 
@@ -238,6 +236,8 @@ void showMainMenu() {
 #if CAP_ANDROIDSHARE
   dialog::addItem("SHARE", 's'-96);
 #endif
+
+  callhooks(hooks_mainmenu);
   
   if(!canmove) q = "review the scene";
   else if(turncount > 0) q = "continue game";
@@ -289,9 +289,6 @@ void showMainMenu() {
       pushScreen(leader::showMenu);
       }
   #endif
-  #endif
-  #if CAP_ROGUEVIZ
-    else if(uni == 'u') pushScreen(rogueviz::showMenu);
   #endif
     else if(doexiton(sym, uni)) {
       popScreenAll();
@@ -586,6 +583,8 @@ bool showHalloween() {
 
 int daily_mode;
 
+purehookset hooks_startmenu;
+
 void showStartMenu() {
   if(!daily_mode) {
     daily_mode = hrand(10) + 1;
@@ -682,11 +681,7 @@ void showStartMenu() {
       break;
     }
 
-#if CAP_ROGUEVIZ && CAP_TOUR
-  dialog::addBreak(100);
-  dialog::addBigItem(XLAT("RogueViz"), 'r');
-  dialog::addInfo(XLAT("see the visualizations"));
-#endif
+  callhooks(hooks_startmenu);
 
   if(have_current_settings()) {
     dialog::addBreak(100);
@@ -793,13 +788,6 @@ void showStartMenu() {
       popScreenAll();
       pushScreen(daily::showMenu);
       }
-#endif
-#if CAP_ROGUEVIZ && CAP_TOUR
-    else if(uni == 'r') {
-      tour::slides = rogueviz::rvtour::rvslides;
-      popScreenAll();
-      tour::start();
-      }
 #endif
     else if(sym == 'm') {
       popScreen();

rogueviz.cpp

@@ -2038,6 +2038,37 @@ slide rvslides[] = {
     }
   };
 
+int rvtour_hooks = 
+  addHook(hooks_startmenu, 100, [] () {
+#if CAP_TOUR
+    dialog::addBreak(100);
+    dialog::addBigItem(XLAT("RogueViz"), 'r');
+    dialog::addInfo(XLAT("see the visualizations"));
+#endif
+    dialog::add_action([] () {
+      tour::slides = rogueviz::rvtour::rvslides;
+      popScreenAll();
+      tour::start();
+      });
+    }) +
+  addHook(hooks_slide, 100, [] (int mode) {
+    if(currentslide == 0 && slides == default_slides) {
+      slidecommand = "RogueViz presentation";
+      if(mode == 1)
+        help += 
+          "\n\nYour version of HyperRogue is compiled with RogueViz. "
+          "Press '5' to switch to the RogueViz slides. Watching the "
+          "common HyperRogue tutorial first is useful too, "
+          "as an introduction to hyperbolic geometry.";         
+      if(mode == 4) {
+        slides = rogueviz::rvtour::rvslides;
+        while(tour::on) restart_game(rg::tour);
+        tour::start();
+        }
+      }
+    }) +
+  0;
+
 }
 
 auto hooks  = 
@@ -2053,6 +2084,14 @@ auto hooks  =
   addHook(shmup::hooks_describe, 100, describe_monster) +
   addHook(shmup::hooks_turn, 100, turn) + 
   addHook(shmup::hooks_kill, 100, activate) +
+  addHook(hooks_mainmenu, 100, [] () {
+    dialog::addItem(XLAT("rogueviz menu"), 'u'); 
+    dialog::add_action([] () { pushScreen(rogueviz::showMenu); });
+    }) +
+  addHook(hooks_welcome_message, 100, [] () {
+    if(rogueviz::on) addMessage(XLAT("Welcome to RogueViz!"));
+    return rogueviz::on;
+    }) +
   0;
 
 };

rogueviz.h

@@ -7,7 +7,6 @@ namespace rogueviz {
   void describe(cell *c);
   void drawExtra();
   void close();
-  void showMenu();
   string makehelp();
 
   void init();

system.cpp

@@ -38,8 +38,11 @@ bool do_use_special_land() {
     (peace::on || tactic::on || geometry || gp::on || randomPatternsMode || yendor::on);
   }
 
+hookset<bool()> *hooks_welcome_message;
+
 void welcomeMessage() {
-  if(tactic::trailer) return;
+  if(callhandlers(false, hooks_welcome_message)) return;
+  else if(tactic::trailer) return;
 #if CAP_TOUR
   else if(tour::on) return; // displayed by tour
 #endif
@@ -67,13 +70,8 @@ void welcomeMessage() {
     addMessage(XLAT("Good luck in the elliptic plane!"));
   else if(sphere)
     addMessage(XLAT("Welcome to Spherogue!"));
-#if CAP_ROGUEVIZ
-  else if(rogueviz::on)
-    addMessage(XLAT("Welcome to RogueViz!"));
-#endif
-  else {
-    addMessage(XLAT("Welcome to HyperRogue!"));
-    }
+  else 
+  addMessage(XLAT("Welcome to HyperRogue!"));
 
   if(do_use_special_land() || firstland != laIce) if(!daily::on) {
     auto lv = land_validity(specialland);

tour.cpp

@@ -48,6 +48,8 @@ function<bool(eLand)> showland;
 
 string slidecommand;
 
+hookset<void(int)> *hooks_slide;
+
 void presentation(presmode mode) {
 
   cheater = 0;
@@ -62,6 +64,7 @@ void presentation(presmode mode) {
   SHOWLAND(true);
   
   slides[currentslide].action(mode);
+  callhooks(hooks_slide, mode);
   }
 
 void slidehelp() {
@@ -363,20 +366,6 @@ slide default_slides[] = {
         else clearMessages();  
         }
       SHOWLAND( l == laIce );
-#if CAP_ROGUEVIZ
-       slidecommand = "RogueViz presentation";
-       if(mode == 1)
-         help += 
-           "\n\nYour version of HyperRogue is compiled with RogueViz. "
-           "Press '5' to switch to the RogueViz slides. Watching the "
-           "common HyperRogue tutorial first is useful too, "
-           "as an introduction to hyperbolic geometry.";         
-       if(mode == 4) {
-         slides = rogueviz::rvtour::rvslides;
-         while(tour::on) restart_game(rg::tour);
-         tour::start();
-         }
-#endif            
       }
     },
   {"Basics of gameplay", 11, LEGAL_ANY,