rnd-20020521-1-src

diff --git a/CHANGES b/CHANGES
index 6fc46cd638613779444f8fa578ac9216a9195365..433c604801a9bf1c59e9d7b7fc8fdc218ac58b10 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,6 @@
 Release Version 2.1.0 [XX XXX XXXX]
 -----------------------------------
+       - added Boulderdash style "snap-pushing" (thanks to Achim Härtel)
        - bug fixed that prevented walking through tubes when gravity on
        - enhanced sound system (especially regarding stereo and loop sounds)
        - new structured setup menu (with sob-menues for graphics and sounds)
@@ -7,6 +8,7 @@ Release Version 2.1.0 [XX XXX XXXX]
        - added support for TrueColor PCX graphics files
        - added support for 16 bit WAV sound files
        - added "quick save" and "quick load" functions with shortcut key
+       - added single-step playing mode (automatic pause after each step)
        - changed default slipping behaviour of gems back to 2.0.0 style;
          this is now an element property for gems in the level editor,
          although existing converted levels use the new EM gems behaviour

diff --git a/src/game.c b/src/game.c
index 3c81e2990242bff9d88c77e8b4980087209640e5..e76ca5a9e5853e481aecc9c540b353720f87990a 100644 (file)
--- a/src/game.c
+++ b/src/game.c
@@ -1349,7 +1349,11 @@ void CheckDynamite(int x, int y)
     MovDelay[x][y]--;
     if (MovDelay[x][y])
     {
+#if 0
       if (!(MovDelay[x][y] % 12))
+#else
+      if (!(MovDelay[x][y] % 6))
+#endif
       {
        if (Feld[x][y] == EL_DYNAMITE_ACTIVE)
          PlaySoundLevel(x, y, SND_DYNAMITE_BURNING);
@@ -3144,7 +3148,7 @@ void ContinueMoving(int x, int y)
 
   MovPos[x][y] += step;
 
-  if (ABS(MovPos[x][y])>=TILEX)                /* object reached its destination */
+  if (ABS(MovPos[x][y]) >= TILEX)      /* object reached its destination */
   {
     Feld[x][y] = EL_LEERRAUM;
     Feld[newx][newy] = element;
@@ -5688,7 +5692,7 @@ int DigField(struct PlayerInfo *player,
                        dy == +1 ? MV_DOWN : MV_NO_MOVING);
   int element;
 
-  if (!player->MovPos)
+  if (player->MovPos == 0)
     player->Pushing = FALSE;
 
   if (mode == DF_NO_PUSH)
@@ -6004,8 +6008,8 @@ int DigField(struct PlayerInfo *player,
       PlaySoundStereo(SND_SP_EXIT_ENTERING, SOUND_MAX_RIGHT);
       break;
 
+      /* the following elements cannot be pushed by "snapping" */
     case EL_FELSBROCKEN:
-    case EL_BD_ROCK:
     case EL_BOMBE:
     case EL_DX_SUPABOMB:
     case EL_KOKOSNUSS:
@@ -6013,7 +6017,12 @@ int DigField(struct PlayerInfo *player,
     case EL_SP_ZONK:
     case EL_SP_DISK_ORANGE:
     case EL_SPRING:
-      if (dy || mode == DF_SNAP)
+      if (mode == DF_SNAP)
+       return MF_NO_ACTION;
+      /* no "break" -- fall through to next case */
+      /* the following elements can be pushed by "snapping" */
+    case EL_BD_ROCK:
+      if (dy)
        return MF_NO_ACTION;
 
       player->Pushing = TRUE;
@@ -6040,8 +6049,16 @@ int DigField(struct PlayerInfo *player,
        return MF_NO_ACTION;
 #endif
 
-      RemoveField(x, y);
-      Feld[x+dx][y+dy] = element;
+      if (mode == DF_SNAP)
+      {
+       InitMovingField(x, y, move_direction);
+       ContinueMoving(x, y);
+      }
+      else
+      {
+       RemoveField(x, y);
+       Feld[x+dx][y+dy] = element;
+      }
 
       if (element == EL_SPRING)
       {
@@ -6377,6 +6394,9 @@ boolean SnapField(struct PlayerInfo *player, int dx, int dy)
 
   if (!dx && !dy)
   {
+    if (player->MovPos == 0)
+      player->Pushing = FALSE;
+
     player->snapped = FALSE;
     return FALSE;
   }
@@ -6449,6 +6469,8 @@ boolean PlaceBomb(struct PlayerInfo *player)
 
 void PlaySoundLevel(int x, int y, int nr)
 {
+  static int loop_sound_frame[NUM_SOUND_EFFECTS];
+  static int loop_sound_volume[NUM_SOUND_EFFECTS];
   int sx = SCREENX(x), sy = SCREENY(y);
   int volume, stereo_position;
   int max_distance = 8;
@@ -6477,6 +6499,18 @@ void PlaySoundLevel(int x, int y, int nr)
                     (sx + max_distance) * SOUND_MAX_LEFT2RIGHT /
                     (SCR_FIELDX + 2 * max_distance));
 
+  if (IS_LOOP_SOUND(nr))
+  {
+    /* This assures that quieter loop sounds do not overwrite louder ones,
+       while restarting sound volume comparison with each new game frame. */
+
+    if (loop_sound_volume[nr] > volume && loop_sound_frame[nr] == FrameCounter)
+      return;
+
+    loop_sound_volume[nr] = volume;
+    loop_sound_frame[nr] = FrameCounter;
+  }
+
   PlaySoundExt(nr, volume, stereo_position, type);
 }
 

diff --git a/src/timestamp.h b/src/timestamp.h
index b740e5950d87642f281f3e3dc1f96f0ff039ea88..b3b1a58d476da0a47b880c8d30c1cfd8eaff5831 100644 (file)
--- a/src/timestamp.h
+++ b/src/timestamp.h
@@ -1 +1 @@
-#define COMPILE_DATE_STRING "[2002-05-20 14:07]"
+#define COMPILE_DATE_STRING "[2002-05-20 23:45]"