Merge pull request #381 from jlmjlm/tabsd

Select the keyboard push-subdirection with Tab.

control.cpp

@@ -149,6 +149,7 @@ EX void movepckeydir(int d) {
   if(protect_memory()) return;
   
   movedir md = vectodir(move_destination_vec(d));
+  md.subdir = keybd_subdir ? 1 : -1;
     
   if(!canmove) movepcto(md), remission(); else movepcto(md);
   }
@@ -618,6 +619,10 @@ EX void handleKeyNormal(int sym, int uni) {
     else restart_game();
     }
 
+  if(sym == SDLK_TAB) {
+    keybd_subdir = !keybd_subdir;
+    }
+
   if(sym == SDLK_ESCAPE) {
     if(bow::fire_mode)
       bow::switch_fire_mode();

graph.cpp

@@ -3597,8 +3597,9 @@ EX transmatrix applyDowndir(cell *c, const cellfunction& cf) {
   return ddspin180(c, patterns::downdir(c, cf));
   }
 
-void draw_movement_arrows(cell *c, const transmatrix& V, int df) {
+EX bool keybd_subdir;
 
+void draw_movement_arrows(cell *c, const transmatrix& V, int df) {
   if(viewdists) return;
   
   string keylist = "";
@@ -3628,7 +3629,7 @@ void draw_movement_arrows(cell *c, const transmatrix& V, int df) {
 
       if((c->type & 1) && (isStunnable(c->monst) || isPushable(c->wall))) {
         transmatrix Centered = rgpushxto0(unshift(tC0(cwtV)));
-        int sd = md.subdir;
+        int sd = keybd_subdir ? 1 : -1;
 
         transmatrix T = iso_inverse(Centered) * rgpushxto0(Centered * tC0(V)) * lrspintox(Centered*tC0(V)) * spin(-sd * M_PI/S7) * xpush(0.2);
         

help.cpp

@@ -259,7 +259,7 @@ string pushtext(stringpar p) {
     "\n\nNote: when pushing %the1 off a heptagonal cell, you can control the pushing direction "
     "by clicking left or right half of the heptagon.", p);
 #if !ISMOBILE
-  s += XLAT(" With the keyboard, you can rotate the view for a similar effect (Page Up/Down).");
+  s += XLAT(" With the keyboard, you can press Tab to invert the way the pushing direction leans.");
 #endif
   return s;
   }
@@ -678,7 +678,7 @@ EX string generateHelpForMonster(eMonster m) {
     }
 
   s += XLAT(minf[m].help);      
-  if(m == moPalace || m == moSkeleton)
+  if(isStunnable(m))
     s += pushtext(m);  
   if(m == moTroll) s += XLAT(trollhelp2);  
 

pcmove.cpp

@@ -275,7 +275,8 @@ EX bool movepcto(int d, int subdir IS(1), bool checkonly IS(false)) {
   checked_move_issue.type = miVALID;
   pcmove pcm;
   pcm.checkonly = checkonly;
-  pcm.d = d; pcm.subdir = subdir;
+  pcm.d = d;
+  pcm.subdir = subdir;
   auto b = pcm.movepcto();
   global_pushto = pcm.mip.t;
   return b;