rnd-20060112-1-src
[rocksndiamonds.git] / src / game.c
index c9eb9360017fc84207d7f1505fde9b40e53d86bd..d2e58439281ec3d5b4b6386f6af5baba3b4f8673 100644 (file)
@@ -654,6 +654,40 @@ static void InitPlayfieldScanMode(int mode)
   InitPlayfieldScanModeVars();
 }
 
+static int get_move_delay_from_stepsize(int move_stepsize)
+{
+  move_stepsize =
+    MIN(MAX(MOVE_STEPSIZE_MIN, move_stepsize), MOVE_STEPSIZE_MAX);
+
+  /* make sure that stepsize value is always a power of 2 */
+  move_stepsize = (1 << log_2(move_stepsize));
+
+  return TILEX / move_stepsize;
+}
+
+static void SetPlayerMoveSpeed(struct PlayerInfo *player, int move_stepsize,
+                              boolean init_game)
+{
+  int move_delay = get_move_delay_from_stepsize(move_stepsize);
+  boolean cannot_move = (move_stepsize == STEPSIZE_NOT_MOVING ? TRUE : FALSE);
+
+  /* do no immediately change move delay -- the player might just be moving */
+  player->move_delay_value_next = move_delay;
+
+  /* information if player can move must be set separately */
+  player->cannot_move = cannot_move;
+
+  if (init_game)
+  {
+    player->move_delay       = game.initial_move_delay;
+    player->move_delay_value = game.initial_move_delay_value;
+
+    player->move_delay_value_next = -1;
+
+    player->move_delay_reset_counter = 0;
+  }
+}
+
 void GetPlayerConfig()
 {
   if (!audio.sound_available)
@@ -1341,9 +1375,15 @@ static void InitGameEngine()
 
   /* ---------- initialize player's initial move delay --------------------- */
 
+#if 1
+  /* dynamically adjust player properties according to level information */
+  game.initial_move_delay_value =
+    get_move_delay_from_stepsize(level.initial_player_stepsize);
+#else
   /* dynamically adjust player properties according to level information */
   game.initial_move_delay_value =
     (level.double_speed ? MOVE_DELAY_HIGH_SPEED : MOVE_DELAY_NORMAL_SPEED);
+#endif
 
   /* dynamically adjust player properties according to game engine version */
   game.initial_move_delay = (game.engine_version <= VERSION_IDENT(2,0,1,0) ?
@@ -1724,8 +1764,6 @@ void InitGame()
     player->is_bored = FALSE;
     player->is_sleeping = FALSE;
 
-    player->cannot_move = FALSE;
-
     player->frame_counter_bored = -1;
     player->frame_counter_sleeping = -1;
 
@@ -1753,6 +1791,9 @@ void InitGame()
 
     player->show_envelope = 0;
 
+#if 1
+    SetPlayerMoveSpeed(player, level.initial_player_stepsize, TRUE);
+#else
     player->move_delay       = game.initial_move_delay;
     player->move_delay_value = game.initial_move_delay_value;
 
@@ -1760,6 +1801,9 @@ void InitGame()
 
     player->move_delay_reset_counter = 0;
 
+    player->cannot_move = FALSE;
+#endif
+
     player->push_delay       = -1;     /* initialized when pushing starts */
     player->push_delay_value = game.initial_push_delay_value;
 
@@ -6608,10 +6652,11 @@ static void RunTimegateWheel(int x, int y)
 
 static void InitMagicBallDelay(int x, int y)
 {
-  ChangeDelay[x][y] = level.ball_time * FRAMES_PER_SECOND;
-
-  if (ChangeDelay[x][y] == 0)
-    ChangeDelay[x][y] = 1;
+#if 1
+  ChangeDelay[x][y] = (level.ball_time + 1) * 8 + 1;
+#else
+  ChangeDelay[x][y] = level.ball_time * FRAMES_PER_SECOND + 1;
+#endif
 }
 
 static void ActivateMagicBall(int bx, int by)
@@ -7073,11 +7118,11 @@ static void ExecuteCustomElementAction(int x, int y, int element, int page)
      MV_NONE);
 
   int action_arg_number_min =
-    (action_type == CA_SET_PLAYER_SPEED ? MOVE_STEPSIZE_MIN :
+    (action_type == CA_SET_PLAYER_SPEED ? STEPSIZE_NOT_MOVING :
      CA_ARG_MIN);
 
   int action_arg_number_max =
-    (action_type == CA_SET_PLAYER_SPEED ? MOVE_STEPSIZE_MAX :
+    (action_type == CA_SET_PLAYER_SPEED ? STEPSIZE_EVEN_FASTER :
      action_type == CA_SET_LEVEL_GEMS ? 999 :
      action_type == CA_SET_LEVEL_TIME ? 9999 :
      action_type == CA_SET_LEVEL_SCORE ? 99999 :
@@ -7086,7 +7131,7 @@ static void ExecuteCustomElementAction(int x, int y, int element, int page)
      CA_ARG_MAX);
 
   int action_arg_number_reset =
-    (action_type == CA_SET_PLAYER_SPEED ? TILEX/game.initial_move_delay_value :
+    (action_type == CA_SET_PLAYER_SPEED ? level.initial_player_stepsize :
      action_type == CA_SET_LEVEL_GEMS ? level.gems_needed :
      action_type == CA_SET_LEVEL_TIME ? level.time :
      action_type == CA_SET_LEVEL_SCORE ? 0 :
@@ -7286,8 +7331,13 @@ static void ExecuteCustomElementAction(int x, int y, int element, int page)
        {
          int move_stepsize = TILEX / stored_player[i].move_delay_value;
 
-         if (action_arg == CA_ARG_SPEED_SLOWER ||
-             action_arg == CA_ARG_SPEED_FASTER)
+         if (action_arg == CA_ARG_SPEED_FASTER &&
+             stored_player[i].cannot_move)
+         {
+           action_arg_number = STEPSIZE_VERY_SLOW;
+         }
+         else if (action_arg == CA_ARG_SPEED_SLOWER ||
+                  action_arg == CA_ARG_SPEED_FASTER)
          {
            action_arg_number = 2;
            action_mode = (action_arg == CA_ARG_SPEED_SLOWER ? CA_MODE_DIVIDE :
@@ -7301,6 +7351,9 @@ static void ExecuteCustomElementAction(int x, int y, int element, int page)
                                    action_arg_number_min,
                                    action_arg_number_max);
 
+#if 1
+         SetPlayerMoveSpeed(&stored_player[i], move_stepsize, FALSE);
+#else
          /* make sure that value is power of 2 */
          move_stepsize = (1 << log_2(move_stepsize));
 
@@ -7309,6 +7362,7 @@ static void ExecuteCustomElementAction(int x, int y, int element, int page)
 
          stored_player[i].cannot_move =
            (action_arg == CA_ARG_SPEED_NOT_MOVING ? TRUE : FALSE);
+#endif
        }
       }
 
@@ -7419,19 +7473,19 @@ static void ExecuteCustomElementAction(int x, int y, int element, int page)
   }
 }
 
-static void CreateField(int x, int y, int target_element)
+static void CreateFieldExt(int x, int y, int element, boolean is_change)
 {
   int previous_move_direction = MovDir[x][y];
 #if USE_NEW_CUSTOM_VALUE
   int last_ce_value = CustomValue[x][y];
 #endif
-  boolean add_player = (ELEM_IS_PLAYER(target_element) &&
+  boolean add_player = (ELEM_IS_PLAYER(element) &&
                        IS_WALKABLE(Feld[x][y]));
 
   /* check if element under player changes from accessible to unaccessible
      (needed for special case of dropping element which then changes) */
   if (IS_PLAYER(x, y) && !PLAYER_EXPLOSION_PROTECTED(x, y) &&
-      IS_ACCESSIBLE(Feld[x][y]) && !IS_ACCESSIBLE(target_element))
+      IS_ACCESSIBLE(Feld[x][y]) && !IS_ACCESSIBLE(element))
   {
     Bang(x, y);
 
@@ -7445,7 +7499,7 @@ static void CreateField(int x, int y, int target_element)
     else
       RemoveField(x, y);
 
-    Feld[x][y] = target_element;
+    Feld[x][y] = element;
 
     ResetGfxAnimation(x, y);
     ResetRandomAnimationValue(x, y);
@@ -7467,23 +7521,25 @@ static void CreateField(int x, int y, int target_element)
   }
 
   /* "ChangeCount" not set yet to allow "entered by player" change one time */
-  if (ELEM_IS_PLAYER(target_element))
-    RelocatePlayer(x, y, target_element);
+  if (ELEM_IS_PLAYER(element))
+    RelocatePlayer(x, y, element);
 
-#if 0
-  ChangeCount[x][y]++;         /* count number of changes in the same frame */
-#endif
+  if (is_change)
+    ChangeCount[x][y]++;       /* count number of changes in the same frame */
 
   TestIfBadThingTouchesPlayer(x, y);
   TestIfPlayerTouchesCustomElement(x, y);
   TestIfElementTouchesCustomElement(x, y);
 }
 
-static void CreateElementFromChange(int x, int y, int element)
+static void CreateField(int x, int y, int element)
 {
-  CreateField(x, y, element);
+  CreateFieldExt(x, y, element, FALSE);
+}
 
-  ChangeCount[x][y]++;         /* count number of changes in the same frame */
+static void CreateElementFromChange(int x, int y, int element)
+{
+  CreateFieldExt(x, y, element, TRUE);
 }
 
 static boolean ChangeElement(int x, int y, int element, int page)
@@ -9072,6 +9128,7 @@ boolean MovePlayerOneStep(struct PlayerInfo *player,
   int new_jx = jx + dx, new_jy = jy + dy;
   int element;
   int can_move;
+  boolean player_can_move = !player->cannot_move;
 
   if (!player->active || (!dx && !dy))
     return MF_NO_ACTION;
@@ -9084,7 +9141,7 @@ boolean MovePlayerOneStep(struct PlayerInfo *player,
   if (!IN_LEV_FIELD(new_jx, new_jy))
     return MF_NO_ACTION;
 
-  if (player->cannot_move)
+  if (!player_can_move)
   {
 #if 1
     if (player->MovPos == 0)
@@ -9100,7 +9157,9 @@ boolean MovePlayerOneStep(struct PlayerInfo *player,
     SnapField(player, 0, 0);
 #endif
 
+#if 0
     return MF_NO_ACTION;
+#endif
   }
 
   if (!options.network && !AllPlayersInSight(player, new_jx, new_jy))
@@ -9108,7 +9167,7 @@ boolean MovePlayerOneStep(struct PlayerInfo *player,
 
   element = MovingOrBlocked2ElementIfNotLeaving(new_jx, new_jy);
 
-  if (DONT_RUN_INTO(element))
+  if (player_can_move && DONT_RUN_INTO(element))
   {
     if (element == EL_ACID && dx == 0 && dy == 1)
     {
@@ -10166,6 +10225,7 @@ int DigField(struct PlayerInfo *player,
 {
   boolean is_player = (IS_PLAYER(oldx, oldy) || mode != DF_DIG);
   boolean player_was_pushing = player->is_pushing;
+  boolean player_can_enter = (!player->cannot_move || mode == DF_SNAP);
   int jx = oldx, jy = oldy;
   int dx = x - jx, dy = y - jy;
   int nextx = x + dx, nexty = y + dy;
@@ -10260,7 +10320,8 @@ int DigField(struct PlayerInfo *player,
       !canMoveToValidFieldWithGravity(jx, jy, move_direction))
     return MF_NO_ACTION;       /* player cannot walk here due to gravity */
 
-  if (IS_WALKABLE(element) && ACCESS_FROM(element, opposite_direction))
+  if (player_can_enter &&
+      IS_WALKABLE(element) && ACCESS_FROM(element, opposite_direction))
   {
     int sound_element = SND_ELEMENT(element);
     int sound_action = ACTION_WALKING;
@@ -10297,7 +10358,8 @@ int DigField(struct PlayerInfo *player,
     else
       PlayLevelSoundElementAction(x, y, player->artwork_element, sound_action);
   }
-  else if (IS_PASSABLE(element) && canPassField(x, y, move_direction))
+  else if (player_can_enter &&
+          IS_PASSABLE(element) && canPassField(x, y, move_direction))
   {
     if (!ACCESS_FROM(element, opposite_direction))
       return MF_NO_ACTION;     /* field not accessible from this direction */
@@ -10351,7 +10413,7 @@ int DigField(struct PlayerInfo *player,
 
     PlayLevelSoundAction(x, y, ACTION_PASSING);
   }
-  else if (IS_DIGGABLE(element))
+  else if (player_can_enter && IS_DIGGABLE(element))
   {
     RemoveField(x, y);
 
@@ -10381,7 +10443,7 @@ int DigField(struct PlayerInfo *player,
                                          player->index_bit, dig_side);
     }
   }
-  else if (IS_COLLECTIBLE(element))
+  else if (player_can_enter && IS_COLLECTIBLE(element))
   {
     RemoveField(x, y);
 
@@ -10495,7 +10557,7 @@ int DigField(struct PlayerInfo *player,
                                          player->index_bit, dig_side);
     }
   }
-  else if (IS_PUSHABLE(element))
+  else if (player_can_enter && IS_PUSHABLE(element))
   {
     if (mode == DF_SNAP && element != EL_BD_ROCK)
       return MF_NO_ACTION;