rnd-20060226-1-src
[rocksndiamonds.git] / src / game.c
index a18c80bdd1b8d0793488ec55b1d87aa943cdd52b..64f521a9dd2c15cad2a6ea300bc779ed7d67c27c 100644 (file)
@@ -39,6 +39,7 @@
 #define USE_FIXED_DONT_RUN_INTO                (USE_NEW_STUFF          * 1)
 #define USE_NEW_SPRING_BUMPER          (USE_NEW_STUFF          * 1)
 #define USE_STOP_CHANGED_ELEMENTS      (USE_NEW_STUFF          * 1)
+#define USE_ELEMENT_TOUCHING_BUGFIX    (USE_NEW_STUFF          * 1)
 
 #define USE_QUICKSAND_IMPACT_BUGFIX    (USE_NEW_STUFF          * 0)
 
@@ -986,6 +987,10 @@ static void InitField(int x, int y, boolean init_game)
       MovDelay[x][y] = 96;
       break;
 
+    case EL_EM_DYNAMITE_ACTIVE:
+      MovDelay[x][y] = 32;
+      break;
+
     case EL_LAMP:
       local_player->lights_still_needed++;
       break;
@@ -1928,6 +1933,8 @@ void InitGame()
 
   game.envelope_active = FALSE;
 
+  game.centered_player_nr = game.centered_player_nr_next = -1; /* focus all */
+
   for (i = 0; i < NUM_BELTS; i++)
   {
     game.belt_dir[i] = MV_NONE;
@@ -2092,7 +2099,7 @@ void InitGame()
 
   if (tape.playing)
   {
-    /* when playing a tape, eliminate all players which do not participate */
+    /* when playing a tape, eliminate all players who do not participate */
 
     for (i = 0; i < MAX_PLAYERS; i++)
     {
@@ -2656,6 +2663,13 @@ void GameWon()
 
   BackToFront();
 
+#if 0
+  if (tape.playing)
+    printf("::: TAPE PLAYING -> DO NOT SAVE SCORE\n");
+  else
+    printf("::: NO TAPE PLAYING -> SAVING SCORE\n");
+#endif
+
   if (tape.playing)
     return;
 
@@ -3083,7 +3097,7 @@ void CheckDynamite(int x, int y)
   Bang(x, y);
 }
 
-void DrawRelocatePlayer(struct PlayerInfo *player)
+void DrawRelocatePlayer(struct PlayerInfo *player, boolean quick_relocation)
 {
   boolean ffwd_delay = (tape.playing && tape.fast_forward);
   boolean no_delay = (tape.warp_forward);
@@ -3092,19 +3106,19 @@ void DrawRelocatePlayer(struct PlayerInfo *player)
   int jx = player->jx;
   int jy = player->jy;
 
-  if (level.instant_relocation)
+  if (quick_relocation)
   {
     int offset = (setup.scroll_delay ? 3 : 0);
 
     if (!IN_VIS_FIELD(SCREENX(jx), SCREENY(jy)))
     {
-      scroll_x = (local_player->jx < SBX_Left  + MIDPOSX ? SBX_Left :
-                 local_player->jx > SBX_Right + MIDPOSX ? SBX_Right :
-                 local_player->jx - MIDPOSX);
+      scroll_x = (player->jx < SBX_Left  + MIDPOSX ? SBX_Left :
+                 player->jx > SBX_Right + MIDPOSX ? SBX_Right :
+                 player->jx - MIDPOSX);
 
-      scroll_y = (local_player->jy < SBY_Upper + MIDPOSY ? SBY_Upper :
-                 local_player->jy > SBY_Lower + MIDPOSY ? SBY_Lower :
-                 local_player->jy - MIDPOSY);
+      scroll_y = (player->jy < SBY_Upper + MIDPOSY ? SBY_Upper :
+                 player->jy > SBY_Lower + MIDPOSY ? SBY_Lower :
+                 player->jy - MIDPOSY);
     }
     else
     {
@@ -3138,13 +3152,13 @@ void DrawRelocatePlayer(struct PlayerInfo *player)
       int dx = 0, dy = 0;
       int fx = FX, fy = FY;
 
-      scroll_xx = (local_player->jx < SBX_Left  + MIDPOSX ? SBX_Left :
-                  local_player->jx > SBX_Right + MIDPOSX ? SBX_Right :
-                  local_player->jx - MIDPOSX);
+      scroll_xx = (player->jx < SBX_Left  + MIDPOSX ? SBX_Left :
+                  player->jx > SBX_Right + MIDPOSX ? SBX_Right :
+                  player->jx - MIDPOSX);
 
-      scroll_yy = (local_player->jy < SBY_Upper + MIDPOSY ? SBY_Upper :
-                  local_player->jy > SBY_Lower + MIDPOSY ? SBY_Lower :
-                  local_player->jy - MIDPOSY);
+      scroll_yy = (player->jy < SBY_Upper + MIDPOSY ? SBY_Upper :
+                  player->jy > SBY_Lower + MIDPOSY ? SBY_Lower :
+                  player->jy - MIDPOSY);
 
       dx = (scroll_xx < scroll_x ? +1 : scroll_xx > scroll_x ? -1 : 0);
       dy = (scroll_yy < scroll_y ? +1 : scroll_yy > scroll_y ? -1 : 0);
@@ -3252,8 +3266,14 @@ void RelocatePlayer(int jx, int jy, int el_player_raw)
     InitField(jx, jy, FALSE);
   }
 
+#if 1
+  /* only visually relocate centered player */
+  if (player->index_nr == game.centered_player_nr)
+    DrawRelocatePlayer(player, level.instant_relocation);
+#else
   if (player == local_player)  /* only visually relocate local player */
-    DrawRelocatePlayer(player);
+    DrawRelocatePlayer(player, level.instant_relocation);
+#endif
 
   TestIfPlayerTouchesBadThing(jx, jy);
   TestIfPlayerTouchesCustomElement(jx, jy);
@@ -7435,9 +7455,10 @@ static void WarnBuggyBase(int x, int y)
 
   for (i = 0; i < NUM_DIRECTIONS; i++)
   {
-    int xx = x + xy[i][0], yy = y + xy[i][1];
+    int xx = x + xy[i][0];
+    int yy = y + xy[i][1];
 
-    if (IS_PLAYER(xx, yy))
+    if (IN_LEV_FIELD(xx, yy) && IS_PLAYER(xx, yy))
     {
       PlayLevelSound(x, y, SND_SP_BUGGY_BASE_ACTIVE);
 
@@ -8794,6 +8815,27 @@ void GameActions()
 
   InitPlayfieldScanModeVars();
 
+  if (ScreenMovPos == 0)       /* screen currently aligned at tile position */
+  {
+    struct PlayerInfo *player;
+    int player_nr = game.centered_player_nr_next;
+
+    if (game.centered_player_nr_next == -1)
+      player_nr = local_player->index_nr;
+
+    player = &stored_player[player_nr];
+
+    if (!player->active)
+      game.centered_player_nr_next = game.centered_player_nr;
+
+    if (game.centered_player_nr != game.centered_player_nr_next)
+    {
+      DrawRelocatePlayer(player, setup.quick_switch);
+
+      game.centered_player_nr = game.centered_player_nr_next;
+    }
+  }
+
 #if USE_ONE_MORE_CHANGE_PER_FRAME
   if (game.engine_version >= VERSION_IDENT(3,2,0,7))
   {
@@ -9622,8 +9664,14 @@ boolean MovePlayerOneStep(struct PlayerInfo *player,
 #endif
   }
 
+#if 1
+  if (!options.network && game.centered_player_nr == -1 &&
+      !AllPlayersInSight(player, new_jx, new_jy))
+    return MP_NO_ACTION;
+#else
   if (!options.network && !AllPlayersInSight(player, new_jx, new_jy))
     return MP_NO_ACTION;
+#endif
 
 #if !USE_FIXED_DONT_RUN_INTO
   element = MovingOrBlocked2ElementIfNotLeaving(new_jx, new_jy);
@@ -9766,8 +9814,14 @@ boolean MovePlayer(struct PlayerInfo *player, int dx, int dy)
   jx = player->jx;
   jy = player->jy;
 
+#if 1
+  if (moved & MP_MOVING && !ScreenMovPos &&
+      (player->index_nr == game.centered_player_nr ||
+       game.centered_player_nr == -1))
+#else
   if (moved & MP_MOVING && !ScreenMovPos &&
       (player == local_player || !options.network))
+#endif
   {
     int old_scroll_x = scroll_x, old_scroll_y = scroll_y;
     int offset = (setup.scroll_delay ? 3 : 0);
@@ -9822,12 +9876,22 @@ boolean MovePlayer(struct PlayerInfo *player, int dx, int dy)
 
     if (scroll_x != old_scroll_x || scroll_y != old_scroll_y)
     {
+#if 1
+      if (!options.network && game.centered_player_nr == -1 &&
+         !AllPlayersInVisibleScreen())
+      {
+       scroll_x = old_scroll_x;
+       scroll_y = old_scroll_y;
+      }
+      else
+#else
       if (!options.network && !AllPlayersInVisibleScreen())
       {
        scroll_x = old_scroll_x;
        scroll_y = old_scroll_y;
       }
       else
+#endif
       {
        ScrollScreen(player, SCROLL_INIT);
        ScrollLevel(old_scroll_x - scroll_x, old_scroll_y - scroll_y);
@@ -10176,7 +10240,94 @@ void TestIfPlayerTouchesCustomElement(int x, int y)
   }
 }
 
+#if USE_ELEMENT_TOUCHING_BUGFIX
+
 void TestIfElementTouchesCustomElement(int x, int y)
+{
+  static int xy[4][2] =
+  {
+    { 0, -1 },
+    { -1, 0 },
+    { +1, 0 },
+    { 0, +1 }
+  };
+  static int trigger_sides[4][2] =
+  {
+    /* center side     border side */
+    { CH_SIDE_TOP,     CH_SIDE_BOTTOM  },      /* check top    */
+    { CH_SIDE_LEFT,    CH_SIDE_RIGHT   },      /* check left   */
+    { CH_SIDE_RIGHT,   CH_SIDE_LEFT    },      /* check right  */
+    { CH_SIDE_BOTTOM,  CH_SIDE_TOP     }       /* check bottom */
+  };
+  static int touch_dir[4] =
+  {
+    MV_LEFT | MV_RIGHT,
+    MV_UP   | MV_DOWN,
+    MV_UP   | MV_DOWN,
+    MV_LEFT | MV_RIGHT
+  };
+  boolean change_center_element = FALSE;
+  int center_element = Feld[x][y];     /* should always be non-moving! */
+  int border_element_old[NUM_DIRECTIONS];
+  int i;
+
+  for (i = 0; i < NUM_DIRECTIONS; i++)
+  {
+    int xx = x + xy[i][0];
+    int yy = y + xy[i][1];
+    int border_element;
+
+    border_element_old[i] = -1;
+
+    if (!IN_LEV_FIELD(xx, yy))
+      continue;
+
+    if (game.engine_version < VERSION_IDENT(3,0,7,0))
+      border_element = Feld[xx][yy];   /* may be moving! */
+    else if (!IS_MOVING(xx, yy) && !IS_BLOCKED(xx, yy))
+      border_element = Feld[xx][yy];
+    else if (MovDir[xx][yy] & touch_dir[i])    /* elements are touching */
+      border_element = MovingOrBlocked2Element(xx, yy);
+    else
+      continue;                        /* center and border element do not touch */
+
+    border_element_old[i] = border_element;
+  }
+
+  for (i = 0; i < NUM_DIRECTIONS; i++)
+  {
+    int xx = x + xy[i][0];
+    int yy = y + xy[i][1];
+    int center_side = trigger_sides[i][0];
+    int border_element = border_element_old[i];
+
+    if (border_element == -1)
+      continue;
+
+    /* check for change of border element */
+    CheckElementChangeBySide(xx, yy, border_element, center_element,
+                            CE_TOUCHING_X, center_side);
+  }
+
+  for (i = 0; i < NUM_DIRECTIONS; i++)
+  {
+    int border_side = trigger_sides[i][1];
+    int border_element = border_element_old[i];
+
+    if (border_element == -1)
+      continue;
+
+    /* check for change of center element (but change it only once) */
+    if (!change_center_element)
+      change_center_element =
+       CheckElementChangeBySide(x, y, center_element, border_element,
+                                CE_TOUCHING_X, border_side);
+  }
+}
+
+#else
+
+void TestIfElementTouchesCustomElement_OLD(int x, int y)
 {
   static int xy[4][2] =
   {
@@ -10236,6 +10387,8 @@ void TestIfElementTouchesCustomElement(int x, int y)
   }
 }
 
+#endif
+
 void TestIfElementHitsCustomElement(int x, int y, int direction)
 {
   int dx = (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
@@ -11009,7 +11162,9 @@ int DigField(struct PlayerInfo *player,
       if (element == EL_SHIELD_DEADLY)
        player->shield_deadly_time_left += level.shield_deadly_time;
     }
-    else if (element == EL_DYNAMITE || element == EL_SP_DISK_RED)
+    else if (element == EL_DYNAMITE ||
+            element == EL_EM_DYNAMITE ||
+            element == EL_SP_DISK_RED)
     {
       if (player->inventory_size < MAX_INVENTORY_SIZE)
        player->inventory_element[player->inventory_size++] = element;
@@ -11538,6 +11693,8 @@ boolean DropElement(struct PlayerInfo *player)
 
       if (new_element == EL_DYNAMITE)
        new_element = EL_DYNAMITE_ACTIVE;
+      else if (new_element == EL_EM_DYNAMITE)
+       new_element = EL_EM_DYNAMITE_ACTIVE;
       else if (new_element == EL_SP_DISK_RED)
        new_element = EL_SP_DISK_RED_ACTIVE;
     }
@@ -11769,7 +11926,7 @@ void PlayLevelSound_EM(int x, int y, int element_em, int sample)
       break;
 
     case SAMPLE_slurp:
-      PlayLevelSoundElementAction(x, y, element, ACTION_SLURPED_BY_SPRING);
+      PlayLevelSoundElementAction(x, y, element, ACTION_EATING);
       break;
 
     case SAMPLE_eater:
@@ -11931,6 +12088,7 @@ void RaiseScoreElement(int element)
       RaiseScore(level.score[SC_NUT]);
       break;
     case EL_DYNAMITE:
+    case EL_EM_DYNAMITE:
     case EL_SP_DISK_RED:
     case EL_DYNABOMB_INCREASE_NUMBER:
     case EL_DYNABOMB_INCREASE_SIZE: