changed code to match new GDash code (player snapping/moving)

diff --git a/src/game_bd/bd_caveengine.c b/src/game_bd/bd_caveengine.c
index 01145c4b668231c2848d44c9cb92ec3bdc3c950c..a39fd287af57533a7507859fe1e74e3238adb6a5 100644 (file)
--- a/src/game_bd/bd_caveengine.c
+++ b/src/game_bd/bd_caveengine.c
@@ -1006,21 +1006,21 @@ static GdElement player_eat_element(GdCave *cave, const GdElement element, int x
 
     case O_DOOR_1:
       if (cave->key1 == 0)
-       return element;
+       return O_NONE;
       gd_sound_play(cave, GD_S_DOOR_OPENING, element, x, y);
       cave->key1--;
       return O_SPACE;
 
     case O_DOOR_2:
       if (cave->key2 == 0)
-       return element;
+       return O_NONE;
       gd_sound_play(cave, GD_S_DOOR_OPENING, element, x, y);
       cave->key2--;
       return O_SPACE;
 
     case O_DOOR_3:
       if (cave->key3 == 0)
-       return element;
+       return O_NONE;
       gd_sound_play(cave, GD_S_DOOR_OPENING, element, x, y);
       cave->key3--;
       return O_SPACE;
@@ -1078,8 +1078,9 @@ static GdElement player_eat_element(GdCave *cave, const GdElement element, int x
           MAX(1, cave->gravity_change_time * cave->timing_factor);
         cave->gravity_next_direction = dir;
         cave->gravity_switch_active = FALSE;
+        return element;
       }
-      return element;
+      return O_NONE;
 
     // USUAL STUFF
     case O_DIRT:
@@ -1159,8 +1160,8 @@ static GdElement player_eat_element(GdCave *cave, const GdElement element, int x
       return O_SPACE;
 
     default:
-      // the element will remain there.
-      return element;
+      // non-eatable, does nothing
+      return O_NONE;
   }
 }
 
@@ -1989,7 +1990,8 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
          {
            // only do every check if he is not moving
            GdElement what = get_dir(cave, x, y, player_move);
-           GdElement remains = what;
+           // O_NONE in this variable will mean that there is no change.
+           GdElement remains = O_NONE;
            boolean push;
 
            // if we are 'eating' a teleporter, and the function returns true
@@ -2053,10 +2055,9 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
              }
            }
 
-           if (remains != what || remains == O_SPACE)
+           // if anything changed, apply the change.
+           if (remains != O_NONE)
            {
-             // if anything changed, apply the change.
-
              // if snapping anything and we have snapping explosions set.
              // but these is not true for pushing.
              if (remains == O_SPACE && player_fire && !push)
@@ -2101,7 +2102,7 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
          {
            // if the player does not move, nothing to do
            GdElement what = get_dir(cave, x, y, player_move);
-           GdElement remains = what;
+           GdElement remains = O_NONE;
 
            if (player_fire)
            {
@@ -2131,17 +2132,12 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
            }
            else
            {
-             switch (what)
-             {
-               default:
-                 // get element. if cannot get, player_eat_element will return the same
-                 remains = player_eat_element(cave, what, x, y, player_move);
-                 break;
-             }
+              // get element. if cannot get, player_eat_element will return the same
+              remains = player_eat_element(cave, what, x, y, player_move);
            }
 
            // if element changed, OR there is space, move.
-           if (remains != what || remains == O_SPACE)
+           if (remains != O_NONE)
            {
              // if anything changed, apply the change.
              move(cave, x, y, player_move, O_PLAYER_BOMB);
@@ -2168,7 +2164,7 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
          {
            // if the player does not move, nothing to do
            GdElement what = get_dir(cave, x, y, player_move);
-           GdElement remains = what;
+           GdElement remains = O_NONE;
 
            // to fire a rocket, diagonal movement should not be allowed.
            // so either x or y must be zero
@@ -2233,7 +2229,7 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
            }
 
            // if something changed, OR there is space, move.
-           if (remains != what || remains == O_SPACE)
+           if (remains != O_NONE)
            {
              // if anything changed, apply the change.
              move(cave, x, y, player_move, O_PLAYER_ROCKET_LAUNCHER);