added overlay graphics for virtual buttons for touch devices (Android)

[rocksndiamonds.git] / src / tools.c

diff --git a/src/tools.c b/src/tools.c
index 86ad19b75e8c034d25eeb401a1efacc9d2a37511..794174c1d1ccbe0ccf34b87a474b9fb59d596c4e 100644 (file)
--- a/src/tools.c
+++ b/src/tools.c
@@ -192,6 +192,22 @@ static char *print_if_not_empty(int element)
   return s;
 }
 
+int correctLevelPosX_EM(int lx)
+{
+  lx -= 1;
+  lx -= (BorderElement != EL_EMPTY ? 1 : 0);
+
+  return lx;
+}
+
+int correctLevelPosY_EM(int ly)
+{
+  ly -= 1;
+  ly -= (BorderElement != EL_EMPTY ? 1 : 0);
+
+  return ly;
+}
+
 static int getFieldbufferOffsetX_RND()
 {
   int full_lev_fieldx = lev_fieldx + (BorderElement != EL_EMPTY ? 2 : 0);
@@ -288,8 +304,7 @@ static int getLevelFromScreenX_EM(int sx)
   int px = sx - SX;
   int lx = LEVELX((px + dx) / TILESIZE_VAR);
 
-  lx -= 1;
-  lx -= (BorderElement != EL_EMPTY ? 1 : 0);
+  lx = correctLevelPosX_EM(lx);
 
   return lx;
 }
@@ -306,8 +321,7 @@ static int getLevelFromScreenY_EM(int sy)
   int py = sy - SY;
   int ly = LEVELY((py + dy) / TILESIZE_VAR);
 
-  ly -= 1;
-  ly -= (BorderElement != EL_EMPTY ? 1 : 0);
+  ly = correctLevelPosY_EM(ly);
 
   return ly;
 }
@@ -395,6 +409,7 @@ void DumpTile(int x, int y)
   printf("  GfxElement:  %d\n", GfxElement[x][y]);
   printf("  GfxAction:   %d\n", GfxAction[x][y]);
   printf("  GfxFrame:    %d [%d]\n", GfxFrame[x][y], FrameCounter);
+  printf("  Player x/y:  %d, %d\n", local_player->jx, local_player->jy);
   printf("\n");
 }
 
@@ -911,6 +926,10 @@ void FadeIn(int fade_mask)
   FADE_SXSIZE = FULL_SXSIZE;
   FADE_SYSIZE = FULL_SYSIZE;
 
+  if (game_status == GAME_MODE_PLAYING &&
+      strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
+    SetOverlayActive(TRUE);
+
   SetScreenStates_AfterFadingIn();
 
   // force update of global animation status in case of rapid screen changes
@@ -926,6 +945,8 @@ void FadeOut(int fade_mask)
 
   SetScreenStates_BeforeFadingOut();
 
+  SetOverlayActive(FALSE);
+
 #if 0
   DrawMaskedBorder(REDRAW_ALL);
 #endif
@@ -2307,6 +2328,10 @@ void DrawScreenField(int x, int y)
       int newly = ly + (dir == MV_UP   ? -1 : dir == MV_DOWN  ? +1 : 0);
 
       DrawLevelElementThruMask(newlx, newly, EL_ACID);
+
+      // prevent target field from being drawn again (but without masking)
+      // (this would happen if target field is scanned after moving element)
+      Stop[newlx][newly] = TRUE;
     }
   }
   else if (IS_BLOCKED(lx, ly))
@@ -4192,10 +4217,19 @@ static boolean RequestEnvelope(char *text, unsigned int req_state)
 
 boolean Request(char *text, unsigned int req_state)
 {
+  boolean overlay_active = GetOverlayActive();
+  boolean result;
+
+  SetOverlayActive(FALSE);
+
   if (global.use_envelope_request)
-    return RequestEnvelope(text, req_state);
+    result = RequestEnvelope(text, req_state);
   else
-    return RequestDoor(text, req_state);
+    result = RequestDoor(text, req_state);
+
+  SetOverlayActive(overlay_active);
+
+  return result;
 }
 
 static int compareDoorPartOrderInfo(const void *object1, const void *object2)