fixed graphical bug when digging (crumbled) sand next to other player

[rocksndiamonds.git] / src / tools.c

diff --git a/src/tools.c b/src/tools.c
index 4023a34e00d947dea8e8a631869f5912db462e9c..3f9fa56f8ef683be363200ec522c5cfec6439ba2 100644 (file)
--- a/src/tools.c
+++ b/src/tools.c
@@ -2274,7 +2274,9 @@ static void DrawLevelFieldCrumbledExt(int x, int y, int graphic, int frame)
          !IN_SCR_FIELD(sxx, syy))
        continue;
 
-      if (Feld[xx][yy] == EL_ELEMENT_SNAPPING)
+      // do not crumble fields that are being digged or snapped
+      if (Feld[xx][yy] == EL_EMPTY ||
+         Feld[xx][yy] == EL_ELEMENT_SNAPPING)
        continue;
 
       element = TILE_GFX_ELEMENT(xx, yy);
@@ -4811,17 +4813,17 @@ static boolean RequestEnvelope(char *text, unsigned int req_state)
 
 boolean Request(char *text, unsigned int req_state)
 {
-  boolean overlay_active = GetOverlayActive();
+  boolean overlay_enabled = GetOverlayEnabled();
   boolean result;
 
-  SetOverlayActive(FALSE);
+  SetOverlayEnabled(FALSE);
 
   if (global.use_envelope_request)
     result = RequestEnvelope(text, req_state);
   else
     result = RequestDoor(text, req_state);
 
-  SetOverlayActive(overlay_active);
+  SetOverlayEnabled(overlay_enabled);
 
   return result;
 }
@@ -9403,29 +9405,58 @@ void SetLevelSetInfo(char *identifier, int level_nr)
   levelset.level_nr = level_nr;
 }
 
-boolean CheckIfPlayfieldViewportHasChanged(void)
+boolean CheckIfAllViewportsHaveChanged(void)
 {
-  // if game status has not changed, playfield viewport has not changed either
+  // if game status has not changed, viewports have not changed either
   if (game_status == game_status_last)
     return FALSE;
 
-  // check if playfield viewport has changed with current game status
+  // check if all viewports have changed with current game status
+
   struct RectWithBorder *vp_playfield = &viewport.playfield[game_status];
+  struct RectWithBorder *vp_door_1    = &viewport.door_1[game_status];
+  struct RectWithBorder *vp_door_2    = &viewport.door_2[game_status];
   int new_real_sx      = vp_playfield->x;
   int new_real_sy      = vp_playfield->y;
   int new_full_sxsize  = vp_playfield->width;
   int new_full_sysize  = vp_playfield->height;
+  int new_dx           = vp_door_1->x;
+  int new_dy           = vp_door_1->y;
+  int new_dxsize       = vp_door_1->width;
+  int new_dysize       = vp_door_1->height;
+  int new_vx           = vp_door_2->x;
+  int new_vy           = vp_door_2->y;
+  int new_vxsize       = vp_door_2->width;
+  int new_vysize       = vp_door_2->height;
+
+  boolean playfield_viewport_has_changed =
+    (new_real_sx != REAL_SX ||
+     new_real_sy != REAL_SY ||
+     new_full_sxsize != FULL_SXSIZE ||
+     new_full_sysize != FULL_SYSIZE);
+
+  boolean door_1_viewport_has_changed =
+    (new_dx != DX ||
+     new_dy != DY ||
+     new_dxsize != DXSIZE ||
+     new_dysize != DYSIZE);
+
+  boolean door_2_viewport_has_changed =
+    (new_vx != VX ||
+     new_vy != VY ||
+     new_vxsize != VXSIZE ||
+     new_vysize != VYSIZE ||
+     game_status_last == GAME_MODE_EDITOR);
 
-  return (new_real_sx != REAL_SX ||
-         new_real_sy != REAL_SY ||
-         new_full_sxsize != FULL_SXSIZE ||
-         new_full_sysize != FULL_SYSIZE);
+  return (playfield_viewport_has_changed &&
+         door_1_viewport_has_changed &&
+         door_2_viewport_has_changed);
 }
 
 boolean CheckFadeAll(void)
 {
   return (CheckIfGlobalBorderHasChanged() ||
-         CheckIfPlayfieldViewportHasChanged());
+         CheckIfAllViewportsHaveChanged());
 }
 
 void ChangeViewportPropertiesIfNeeded(void)