rogueviz:: reorganized the presentations

rogueviz/banachtarski.cpp

@@ -558,10 +558,11 @@ int readArgs() {
 auto hook = addHook(hooks_args, 100, readArgs)
   + addHook(hooks_initgame, 100, bantar)
   + addHook(hooks_frame, 100, bantar_stats)
-  + addHook(pres::hooks_build_rvtour, 140, [] (vector<tour::slide>& v) {
+  + addHook(pres::hooks_build_rvtour, 140, [] (string s, vector<tour::slide>& v) {
+    if(s != "mixed") return;
     using namespace pres;
     v.push_back(
-      tour::slide{"unsorted/Banach-Tarski-like", 62, LEGAL::NONE,
+      tour::slide{"Banach-Tarski-like", 62, LEGAL::NONE,
      "Banach-Tarski-like decomposition. Break a hyperbolic plane into two hyperbolic planes.\n\n"
      "Press '5' to show the decomposition. Press any key to stop.\n\n"
      "You will see a map of the decomposition. Press '5' again to return.",

rogueviz/collatz.cpp

@@ -313,10 +313,11 @@ int readArgs() {
   }
 
 int ah = addHook(hooks_args, 100, readArgs) +
-  addHook(pres::hooks_build_rvtour, 142, [] (vector<tour::slide>& v) {
+  addHook(pres::hooks_build_rvtour, 42, [] (string s, vector<tour::slide>& v) {
+    if(s != "data") return;
     using namespace tour;
     v.push_back(
-      tour::slide{"unsorted/Collatz conjecture", 51, LEGAL::UNLIMITED | QUICKGEO,
+      tour::slide{"Collatz conjecture", 51, LEGAL::UNLIMITED | QUICKGEO,
     "The following slide is a visualization of the Collatz conjecture. "
     "Press '5' for a spiral rendering of the Collatz conjecture visualization.\n\n"
     "Note that this, and many other RogueViz visualizations, have "

rogueviz/grigorchuk.cpp

@@ -496,10 +496,11 @@ auto hook = addHook(hooks_args, 100, readArgsG)
     })
    + addHook(hooks_initialize, 100, create_grigorchuk_geometry)
 
-  + addHook(rogueviz::pres::hooks_build_rvtour, 140, [] (vector<tour::slide>& v) {
+  + addHook(rogueviz::pres::hooks_build_rvtour, 140, [] (string s, vector<tour::slide>& v) {
+    if(s != "mixed") return;
     using namespace rogueviz::pres;
     v.push_back(tour::slide{
-      "unsorted/Grigorchuk group", 10, tour::LEGAL::NONE,
+      "Grigorchuk group", 10, tour::LEGAL::NONE,
 
       "This is a visualization of the Grigorchuk group. It is the first known group with "
       "intermediate growth (i.e., superpolynomial and subexponential).\n\n"

rogueviz/impossible-ring.cpp

@@ -290,10 +290,11 @@ auto hchook = addHook(hooks_drawcell, 100, draw_ptriangle)
 
 + addHook(hooks_o_key, 80, o_key)
 
-+ addHook(pres::hooks_build_rvtour, 167, [] (vector<tour::slide>& v) {
++ addHook(pres::hooks_build_rvtour, 167, [] (string s, vector<tour::slide>& v) {
+  if(s != "noniso") return;
   using namespace tour;
   v.push_back(
-    tour::slide{"non-isotropic geometries/Impossible architecture in Nil/impossible ring", 18, LEGAL::NONE | QUICKGEO, 
+    tour::slide{"Impossible architecture in Nil/impossible ring", 18, LEGAL::NONE | QUICKGEO, 
       "Ring with a square cross-section. Cut it in half. Rotate one of the two halves by 90°, "
       "keeping one of the two ends connected to the other half. Do this in Nil geometry, so the other pair of ends remains connected too.\n\n"
       "Move with mouse/arrows/PgUpDn. Press '5' to enable animation, 'o' to change ring size.\n\n",

rogueviz/noniso-honeycombs.cpp

@@ -84,9 +84,10 @@ auto geoslide(eGeometry g, char canvas, int jhole, int jblock) {
     };
   }
 
-string cap = "non-isotropic geometries/honeycombs/";
+string cap = "honeycombs/";
 
-void honey(vector<tour::slide>& v) {
+void honey(string s, vector<tour::slide>& v) {
+  if(s != "noniso") return;
   using namespace tour;
 
   v.emplace_back(
@@ -146,11 +147,13 @@ void honey(vector<tour::slide>& v) {
 
   }
 
-void start_noniso(vector<tour::slide>& v) {
+vector<tour::slide> noniso_slides;
+tour::slide *gen_noniso_demo() {
+  noniso_slides.clear();
   using namespace tour;
-  v.emplace_back(
+  noniso_slides.emplace_back(
-    slide{"non-isotropic geometries/intro slide", 999, LEGAL::NONE | QUICKSKIP, 
+    slide{"Non-isotropic geometry demo", 999, LEGAL::NONE | QUICKSKIP, 
-      "This is a collection of non-isotropic geometry demos.",
+      "This is a presentation of non-isotropic geometries.",
       [] (presmode mode) {
         if(mode == pmStart) {
           stop_game();
@@ -159,9 +162,19 @@ void start_noniso(vector<tour::slide>& v) {
           }
         }
       });
+
+  callhooks(pres::hooks_build_rvtour, "noniso", noniso_slides);
+  pres::add_end(noniso_slides);
+  return &noniso_slides[0];
   }
 
 auto hooks  = addHook(pres::hooks_build_rvtour, 163, honey)
-            + addHook(pres::hooks_build_rvtour, 160, start_noniso);
+  + addHook(tour::ss::hooks_extra_slideshows, 120, [] (tour::ss::slideshow_callback cb) {
+  
+    if(noniso_slides.empty()) 
+      gen_noniso_demo();
+
+    cb(XLAT("non-isotropic geometries"), &noniso_slides[0], 'n');
+    });
 
 } }

rogueviz/pentagonal.cpp

@@ -347,10 +347,11 @@ auto xhook = addHook(hooks_args, 100, readArgs)
 + addHook(hooks_handleKey, 0, handleKey)
 + addHook(hooks_prestats, 0, frame)
 + addHook(hooks_clearmemory, 40, [] () { snubon = false; } )
-+ addHook(pres::hooks_build_rvtour, 142, [] (vector<tour::slide>& v) {
++ addHook(pres::hooks_build_rvtour, 142, [] (string s, vector<tour::slide>& v) {
+    if(s != "mixed") return;
     using namespace tour;
     v.push_back(
-      tour::slide{"unsorted/Pentagonal Exploration", 62, LEGAL::NONE | QUICKGEO,
+      tour::slide{"Pentagonal Exploration", 62, LEGAL::NONE | QUICKGEO,
      "Pentagonal Exploration explained at: http://www.roguetemple.com/z/sims/snub/\n\n"
      "Move the mouse nearer and further away from the X.\n\n"
      "Press 3 4 5 6 7 8 9 shift+4 shift+5 shift+6 to change the geometry.",

rogueviz/presentation.cpp

@@ -303,28 +303,48 @@ void compare_projections(presmode mode, eModel a, eModel b) {
 
 /* default RogueViz tour */
 
-vector<slide> rvslides;
+vector<slide> rvslides_mixed;
+vector<slide> rvslides_data;
 extern vector<slide> rvslides_default;
 
-slide *gen_rvtour() {
+void add_end(vector<slide>& s) {
-  rvslides = rvslides_default;
+  s.emplace_back(
-  callhooks(hooks_build_rvtour, rvslides);
-  rvslides.emplace_back(
     slide{"THE END", 99, LEGAL::ANY | FINALSLIDE,
     "Press '5' to leave the presentation.",
     [] (presmode mode) {
-      firstland = specialland = laIce;
+      if(mode == pmStart) firstland = specialland = laIce;
       if(mode == 4) restart_game(rg::tour);
       }
     });
-  return &rvslides[0];
+  }
+  
+slide *gen_rvtour_data() {
+  rvslides_data = rvslides_default;
+
+  callhooks(hooks_build_rvtour, "data", rvslides_data);
+  add_end(rvslides_data);
+
+  return &rvslides_data[0];
+  }
+
+slide *gen_rvtour_mixed() {
+
+  rvslides_mixed.emplace_back(slide{
+    "RogueViz", 999, LEGAL::ANY,
+    "This presentation is mostly composed from various unsorted demos, mostly posted on Twitter and YouTube. Press Enter to continue, ESC to look at other functions of this presentation.",
+    [] (presmode mode) {}
+    });
+  
+  callhooks(hooks_build_rvtour, "mixed", rvslides_mixed); 
+
+  add_end(rvslides_mixed);
+
+  return &rvslides_mixed[0];
   }
 
 vector<slide> rvslides_default = {
-    {"RogueViz", 999, LEGAL::ANY, 
+    {"intro", 999, LEGAL::ANY, 
-      "This is a presentation of RogueViz, which "
+      "Hyperbolic space is great "
-      "is an adaptation of HyperRogue as a visualization tool "
-      "rather than a game. Hyperbolic space is great "
       "for visualizing some kinds of data because of the vast amount "
       "of space.\n\n"
       "Press '5' to switch to the standard HyperRogue tutorial. "
@@ -346,7 +366,7 @@ vector<slide> rvslides_default = {
       [] (presmode mode) {
        using namespace linepatterns;
        slidecommand = "toggle the Palace lines";
-       if(mode == 4) patPalace.color = 0xFFD500FF;
+       if(mode == 4) patPalace.color = (patPalace.color == 0xFFD500FF ? 0 : 0xFFD500FF);
        if(mode == 3) patPalace.color = 0xFFD50000;
         }
       },
@@ -363,15 +383,18 @@ int pres_hooks =
           "common HyperRogue tutorial first is useful too, "
           "as an introduction to hyperbolic geometry.";         
       if(mode == 4) {
-        slides = gen_rvtour();
         while(tour::on) restart_game(rg::tour);
-        tour::start();
+        pushScreen(choose_presentation);
         }
       }
     }) +
   addHook(tour::ss::hooks_extra_slideshows, 100, [] (tour::ss::slideshow_callback cb) {
-    if(rogueviz::pres::rvslides.empty()) pres::gen_rvtour();
+    if(rogueviz::pres::rvslides_data.empty()) pres::gen_rvtour_data();
-    cb(XLAT("RogueViz mixed bag"), &pres::rvslides[0], 'r');
+    cb(XLAT("non-Euclidean geometry in data analysis"), &pres::rvslides_data[0], 'd');
+
+    if(rogueviz::pres::rvslides_mixed.empty()) pres::gen_rvtour_mixed();
+
+    cb(XLAT("unsorted RogueViz demos"), &pres::rvslides_mixed[0], 'u');
     }) +
   0;
 

rogueviz/random-walk.cpp

@@ -208,7 +208,8 @@ auto msc =
     walkers.clear();
     total_time = 0;
     })
-+ addHook(pres::hooks_build_rvtour, 180, [] (vector<tour::slide>& v) {
++ addHook(pres::hooks_build_rvtour, 180, [] (string s, vector<tour::slide>& v) {
+  if(s != "mixed") return;
   v.push_back(tour::slide{
     cap+"random walk visualization", 10, tour::LEGAL::NONE | tour::QUICKSKIP,
     "Here we see random walk in various geometries.\n"

rogueviz/sag.cpp

@@ -560,9 +560,10 @@ int ah = addHook(hooks_args, 100, readArgs)
     dialog::addSelItem(XLAT("SAG mode"), sag::sagmodes[sag::sagmode], 'm'); 
     dialog::add_action([] { sag::sagmode = sag::eSagmode( (1+sag::sagmode) % 3 ); });
     })
-  + addHook(pres::hooks_build_rvtour, 120, [] (vector<tour::slide>& v) {
+  + addHook(pres::hooks_build_rvtour, 120, [] (string s, vector<tour::slide>& v) {
+    if(s != "data") return;
     using namespace pres;
-    string sagf = "hyperbolic geometry and data/SAG/";
+    string sagf = "SAG/";
     v.push_back(
       slide{sagf+"Roguelikes", 63, LEGAL::UNLIMITED | QUICKGEO,
         "A visualization of roguelikes, based on discussion on /r/reddit. "

rogueviz/snow.cpp

@@ -140,7 +140,7 @@ bool draw_snow(cell *c, const shiftmatrix& V) {
 
 bool cylanim = false;
 
-string cap = "non-isotropic geometries/non-Euclidean snowballs/";
+string cap = "non-Euclidean snowballs/";
 
 void snow_slide(vector<tour::slide>& v, string title, string desc, reaction_t t) {
   using namespace tour;
@@ -236,7 +236,8 @@ auto hchook = addHook(hooks_drawcell, 100, draw_snow)
   })
 #endif
 
-+ addHook(pres::hooks_build_rvtour, 161, [] (vector<tour::slide>& v) {
++ addHook(pres::hooks_build_rvtour, 161, [] (string s, vector<tour::slide>& v) {
+  if(s != "noniso") return;
   v.push_back(tour::slide{
     cap+"snowball visualization", 10, tour::LEGAL::NONE | tour::QUICKSKIP,
     "Non-Euclidean visualizations usually show some regular constructions. Could we visualize the geometries themselves? Let's distribute the snowballs randomly."

rogueviz/staircase.cpp

@@ -353,10 +353,11 @@ int phooks = addHook(hooks_args, 100, readArgs)
      if(staircase::on) { staircase::showMenu(); return true; }
      return false;
      })
-  + addHook(pres::hooks_build_rvtour, 141, [] (vector<tour::slide>& v) {
+  + addHook(pres::hooks_build_rvtour, 141, [] (string s, vector<tour::slide>& v) {
+    if(s != "mixed") return;
     using namespace tour;
     v.push_back(
-      tour::slide{"unsorted/Spiral Staircase", 62, LEGAL::NONE | QUICKGEO,
+      tour::slide{"Spiral Staircase", 62, LEGAL::NONE | QUICKGEO,
      "Spiral Staircase Demo. Press '5' to change the curvature or other parameters.",
      
     [] (presmode mode) {

rogueviz/sunflower.cpp

@@ -269,10 +269,11 @@ auto hook = 0
 #endif
 + addHook(hooks_o_key, 80, o_key)
 + addHook(hooks_drawcell, 100, sunflower_cell)
-+ addHook(pres::hooks_build_rvtour, 144, [] (vector<tour::slide>& v) {
++ addHook(pres::hooks_build_rvtour, 144, [] (string s, vector<tour::slide>& v) {
+  if(s != "mixed") return;
   using namespace tour;
   v.push_back(
-    tour::slide{"unsorted/sunflower spirals", 18, LEGAL::ANY | QUICKGEO, 
+    tour::slide{"sunflower spirals", 18, LEGAL::ANY | QUICKGEO, 
       "A sunflower sends out its n-th seed at angle 180° (3-sqrt(5)). "
       "As new seeds are created, older seeds are pushed out. Therefore. "
       "the distance d(n) of the n-th seed from the center will be such that "

rogueviz/tree.cpp

@@ -122,10 +122,11 @@ int readArgs() {
   }
 
 int ah = addHook(hooks_args, 120, readArgs)
-+ addHook(pres::hooks_build_rvtour, 120, [] (vector<tour::slide>& v) {
++ addHook(pres::hooks_build_rvtour, 120, [] (string s, vector<tour::slide>& v) {
+    if(s != "data") return;
     using namespace pres;
     v.push_back(
-      tour::slide{"hyperbolic geometry and data/Tree of Life", 61, LEGAL::UNLIMITED | QUICKGEO,
+      tour::slide{"Tree of Life", 61, LEGAL::UNLIMITED | QUICKGEO,
       "Hyperbolic geometry is much better than the Euclidean geometry at visualizing large trees and other hierarchical structures. "
       "Here we visualize the data from the Tree of Life project.",
 

rogueviz/triangle.cpp

@@ -523,10 +523,10 @@ void slide_itri(tour::presmode mode, int id) {
     start_game();
     playermoved = false;
     tour::on_restore(reset);
-    }
+    }     
   }
 
-string cap = "non-isotropic geometries/Impossible architecture in Nil/";
+string cap = "Impossible architecture in Nil/";
 
 auto hchook = addHook(hooks_drawcell, 100, draw_ptriangle)
 
@@ -549,8 +549,9 @@ auto hchook = addHook(hooks_drawcell, 100, draw_ptriangle)
   return 0;
   })
 
-+ addHook(pres::hooks_build_rvtour, 166, [] (vector<tour::slide>& v) {
++ addHook(pres::hooks_build_rvtour, 166, [] (string s, vector<tour::slide>& v) {
   using namespace tour;
+  if(s != "noniso") return;
 
   v.push_back(
     tour::slide{cap+"impossible triangle", 18, LEGAL::NONE | QUICKGEO,