ray:: namespace and basic configurator

config.cpp

@@ -1585,6 +1585,11 @@ EX void show3D() {
       dialog::extra_options = [] () { draw_radar(true); };
       });
     }
+  
+  if(GDIM == 3) {
+    dialog::addItem(XLAT("configure raycasting"), 'C');
+    dialog::add_action_push(ray::configure);
+    }
 
   if(WDIM == 3 || (GDIM == 3 && euclid)) {
     dialog::addSelItem(XLAT("radar range"), fts(vid.radarrange), 'R');

graph.cpp

@@ -4399,9 +4399,7 @@ EX void precise_mouseover() {
 
 EX transmatrix Viewbase;
 
-EX bool use_raycasting;
 EX bool no_wall_rendering;
-EX bool ray_comparison_mode;
 
 EX void drawthemap() {
   check_cgi();
@@ -4457,16 +4455,10 @@ EX void drawthemap() {
   for(int m=0; m<motypes; m++) if(isPrincess(eMonster(m))) 
     minf[m].name = princessgender() ? "Princess" : "Prince";
   
-  use_raycasting = false;
-  if(WDIM == 3 && hyperbolic && pmodel == mdPerspective && !binarytiling)
-    use_raycasting = true;
-  if(WDIM == 3 && (sol || nil) && pmodel == mdGeodesic)
-    use_raycasting = true;
-  if(WDIM == 3 && euclid && pmodel == mdPerspective && !binarytiling)
-    use_raycasting = true;
-  no_wall_rendering = use_raycasting;
-  ray_comparison_mode = anyshiftclick;
-  if(ray_comparison_mode) no_wall_rendering = false;
+  ray::in_use = ray::requested();
+  no_wall_rendering = ray::in_use;
+  // ray::comparison_mode = true;
+  if(ray::comparison_mode) no_wall_rendering = false;
     
   iinf[itSavedPrincess].name = minf[moPrincess].name;
 
@@ -4507,7 +4499,7 @@ EX void drawthemap() {
   profile_start(1);
   make_actual_view();
   currentmap->draw();
-  if(use_raycasting && !ray_comparison_mode) do_raycast();
+  if(ray::in_use && !ray::comparison_mode) ray::cast();
   drawWormSegments();
   drawBlizzards();
   drawArrowTraps();
@@ -4773,11 +4765,11 @@ EX void drawfullmap() {
   drawqueue();
   #endif
 
-  if(use_raycasting && ray_comparison_mode) {
+  if(ray::in_use && ray::comparison_mode) {
     glDepthFunc(GL_LEQUAL);
     glClearDepth(1.0f);
     glClear(GL_DEPTH_BUFFER_BIT);
-    do_raycast();
+    ray::cast();
     }
 
   profile_stop(2);

raycaster.cpp

@@ -9,10 +9,39 @@
 
 namespace hr {
 
+EX namespace ray {
+
+/** texture IDs */
 GLuint txConnections = 0, txWallcolor = 0, txMatrixid = 0;
 
+EX bool in_use;
+EX bool comparison_mode;
+
+/** 0 - never use, 2 - always use, 1 = smart selection */
+EX int want_use = 1;
+
 #define IN_ODS 0
 
+/** is the raycaster available? */
+EX bool available() {
+  if(WDIM == 2) return false;
+  if(hyperbolic && pmodel == mdPerspective && !binarytiling)
+    return true;
+  if((sol || nil) && pmodel == mdGeodesic)
+    return true;
+  if(euclid && pmodel == mdPerspective && !binarytiling)
+    return true;
+  return false;
+  }
+
+/** do we want to use the raycaster? */
+EX bool requested() {
+  if(!want_use) return false;
+  if(!available()) return false;
+  if(want_use == 2) return true;
+  return racing::on || quotient;
+  }
+
 struct raycaster : glhr::GLprogram {
   GLint uStart, uStartid, uN, uM, uLength, uFovX, uFovY, uIPD;
   GLint uWallstart, uWallX, uWallY;
@@ -402,10 +431,10 @@ void bind_array(vector<array<float, 4>>& v, GLint t, GLuint& tx, int id) {
   GLERR("bind_array");
   }
 
-EX void do_raycast() {
+EX void cast() {
   enable_raycaster();
   
-  if(ray_comparison_mode) 
+  if(comparison_mode) 
     glColorMask( GL_TRUE,GL_FALSE,GL_FALSE,GL_TRUE );
 
   auto& o = our_raycaster;
@@ -523,4 +552,25 @@ EX void do_raycast() {
   glActiveTexture(GL_TEXTURE0 + 0);
   }
 
+EX void configure() {
+  cmode = sm::SIDE | sm::MAYDARK;
+  gamescreen(0);
+  dialog::init(XLAT("raycasting configuration"));
+  
+  dialog::addBoolItem(XLAT("available in current geometry"), available(), 0);
+  
+  dialog::addBoolItem(XLAT("use raycasting?"), want_use == 2 ? true : in_use, 'u');
+  if(want_use == 1) dialog::lastItem().value = XLAT("SMART");
+  
+  dialog::add_action([] {
+    want_use++; want_use %= 3;
+    });
+
+  dialog::addBoolItem_action(XLAT("comparison mode"), comparison_mode, 'c');
+  
+  dialog::addBack();
+  dialog::display();
+  }
+
+EX }
 }