X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame.c;h=a9c903cceb5bab85072c08f8cb43cf9fcb632eea;hb=2fe139696892ee39f804b5c7315b8f0977ab01ec;hp=ce6ca3ab084668cdfcd63662c5408697270e0fce;hpb=d4665f01d15ba3679f378819710a84d6c2348a9c;p=rocksndiamonds.git

diff --git a/src/game.c b/src/game.c
index ce6ca3ab..a9c903cc 100644
--- a/src/game.c
+++ b/src/game.c
@@ -179,6 +179,50 @@ void GetPlayerConfig()
   InitJoysticks();
 }
 
+static int getBeltNrFromElement(int element)
+{
+  return (element < EL_BELT2_LEFT ? 0 :
+	  element < EL_BELT3_LEFT ? 1 :
+	  element < EL_BELT4_LEFT ? 2 : 3);
+}
+
+static int getBeltNrFromSwitchElement(int element)
+{
+  return (element < EL_BELT2_SWITCH_L ? 0 :
+	  element < EL_BELT3_SWITCH_L ? 1 :
+	  element < EL_BELT4_SWITCH_L ? 2 : 3);
+}
+
+static int getBeltDirNrFromSwitchElement(int element)
+{
+  static int belt_base_element[4] =
+  {
+    EL_BELT1_SWITCH_L,
+    EL_BELT2_SWITCH_L,
+    EL_BELT3_SWITCH_L,
+    EL_BELT4_SWITCH_L
+  };
+
+  int belt_nr = getBeltNrFromSwitchElement(element);
+  int belt_dir_nr = element - belt_base_element[belt_nr];
+
+  return (belt_dir_nr % 3);
+}
+
+static int getBeltDirFromSwitchElement(int element)
+{
+  static int belt_move_dir[3] =
+  {
+    MV_LEFT,
+    MV_NO_MOVING,
+    MV_RIGHT
+  };
+
+  int belt_dir_nr = getBeltDirNrFromSwitchElement(element);
+
+  return belt_move_dir[belt_dir_nr];
+}
+
 static void InitField(int x, int y, boolean init_game)
 {
   switch (Feld[x][y])
@@ -322,6 +366,46 @@ static void InitField(int x, int y, boolean init_game)
       Feld[x][y] = EL_EM_KEY_4;
       break;
 
+    case EL_BELT1_SWITCH_L:
+    case EL_BELT1_SWITCH_M:
+    case EL_BELT1_SWITCH_R:
+    case EL_BELT2_SWITCH_L:
+    case EL_BELT2_SWITCH_M:
+    case EL_BELT2_SWITCH_R:
+    case EL_BELT3_SWITCH_L:
+    case EL_BELT3_SWITCH_M:
+    case EL_BELT3_SWITCH_R:
+    case EL_BELT4_SWITCH_L:
+    case EL_BELT4_SWITCH_M:
+    case EL_BELT4_SWITCH_R:
+      if (init_game)
+      {
+	int belt_nr = getBeltNrFromSwitchElement(Feld[x][y]);
+	int belt_dir = getBeltDirFromSwitchElement(Feld[x][y]);
+	int belt_dir_nr = getBeltDirNrFromSwitchElement(Feld[x][y]);
+
+	if (game.belt_dir_nr[belt_nr] == 3)	/* initial value */
+	{
+	  game.belt_dir[belt_nr] = belt_dir;
+	  game.belt_dir_nr[belt_nr] = belt_dir_nr;
+	}
+	else	/* more than one switch -- set it like the first switch */
+	{
+	  Feld[x][y] = Feld[x][y] - belt_dir_nr + game.belt_dir_nr[belt_nr];
+	}
+      }
+      break;
+
+    case EL_SWITCHGATE_SWITCH_2:	/* always start with same switch pos */
+      if (init_game)
+	Feld[x][y] = EL_SWITCHGATE_SWITCH_1;
+      break;
+
+    case EL_LIGHT_SWITCH_ON:
+      if (init_game)
+	game.light_time_left = 10 * FRAMES_PER_SECOND;
+      break;
+
     default:
       break;
   }
@@ -423,8 +507,13 @@ void InitGame()
   AllPlayersGone = FALSE;
   game.magic_wall_active = FALSE;
   game.magic_wall_time_left = 0;
+  game.switchgate_pos = 0;
+  game.light_time_left = 0;
   for (i=0; i<4; i++)
+  {
     game.belt_dir[i] = MV_NO_MOVING;
+    game.belt_dir_nr[i] = 3;		/* not moving, next moving left */
+  }
 
   for (i=0; i<MAX_NUM_AMOEBA; i++)
     AmoebaCnt[i] = AmoebaCnt2[i] = 0;
@@ -458,6 +547,11 @@ void InitGame()
     }
   }
 
+  /* correct non-moving belts to start moving left */
+  for (i=0; i<4; i++)
+    if (game.belt_dir[i] == MV_NO_MOVING)
+      game.belt_dir_nr[i] = 3;		/* not moving, next moving left */
+
   /* check if any connected player was not found in playfield */
   for (i=0; i<MAX_PLAYERS; i++)
   {
@@ -2145,6 +2239,17 @@ void StartMoving(int x, int y)
 	InitMovingField(x, y, left ? MV_LEFT : MV_RIGHT);
       }
     }
+    else if (IS_BELT(Feld[x][y+1]))
+    {
+      boolean left_is_free  = (x>0 && IS_FREE(x-1, y));
+      boolean right_is_free = (x<lev_fieldx-1 && IS_FREE(x+1, y));
+      int belt_nr = getBeltNrFromElement(Feld[x][y+1]);
+      int belt_dir = game.belt_dir[belt_nr];
+
+      if ((belt_dir == MV_LEFT  && left_is_free) ||
+	  (belt_dir == MV_RIGHT && right_is_free))
+	InitMovingField(x, y, belt_dir);
+    }
   }
   else if (CAN_MOVE(element))
   {
@@ -2441,12 +2546,16 @@ void ContinueMoving(int x, int y)
   int dy = (direction == MV_UP   ? -1 : direction == MV_DOWN  ? +1 : 0);
   int horiz_move = (dx!=0);
   int newx = x + dx, newy = y + dy;
-  int step = (horiz_move ? dx : dy) * TILEX/8;
+  int step = (horiz_move ? dx : dy) * TILEX / 8;
 
   if (element == EL_TROPFEN)
-    step/=2;
+    step /= 2;
   else if (Store[x][y] == EL_MORAST_VOLL || Store[x][y] == EL_MORAST_LEER)
-    step/=4;
+    step /= 4;
+  else if (CAN_FALL(element) && horiz_move &&
+	   y < lev_fieldy-1 && IS_BELT(Feld[x][y+1]))
+    step /= 2;
+
 #if OLD_GAME_BEHAVIOUR
   else if (CAN_FALL(element) && horiz_move && !IS_SP_ELEMENT(element))
     step*=2;
@@ -3074,6 +3183,54 @@ void AusgangstuerBlinken(int x, int y)
   DrawGraphicAnimation(x, y, GFX_AUSGANG_AUF, 4, 4, ANIM_OSCILLATE);
 }
 
+void OpenSwitchgate(int x, int y)
+{
+  int delay = 6;
+
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = 5 * delay;
+
+  if (MovDelay[x][y])		/* wait some time before next frame */
+  {
+    int phase;
+
+    MovDelay[x][y]--;
+    phase = MovDelay[x][y] / delay;
+    if (!(MovDelay[x][y] % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      DrawGraphic(SCREENX(x), SCREENY(y), GFX_SWITCHGATE_OPEN - phase);
+
+    if (!MovDelay[x][y])
+    {
+      Feld[x][y] = EL_SWITCHGATE_OPEN;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
+void CloseSwitchgate(int x, int y)
+{
+  int delay = 6;
+
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = 5 * delay;
+
+  if (MovDelay[x][y])		/* wait some time before next frame */
+  {
+    int phase;
+
+    MovDelay[x][y]--;
+    phase = MovDelay[x][y] / delay;
+    if (!(MovDelay[x][y] % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      DrawGraphic(SCREENX(x), SCREENY(y), GFX_SWITCHGATE_CLOSED + phase);
+
+    if (!MovDelay[x][y])
+    {
+      Feld[x][y] = EL_SWITCHGATE_CLOSED;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
 void EdelsteinFunkeln(int x, int y)
 {
   if (!IN_SCR_FIELD(SCREENX(x), SCREENY(y)) || IS_MOVING(x, y))
@@ -3369,6 +3526,21 @@ static void CheckBuggyBase(int x, int y)
   }
 }
 
+static void DrawBeltAnimation(int x, int y, int element)
+{
+  int belt_nr = getBeltNrFromElement(element);
+  int belt_dir = game.belt_dir[belt_nr];
+
+  if (belt_dir != MV_NO_MOVING)
+  {
+    int delay = 2;
+    int mode = (belt_dir == MV_LEFT ? ANIM_NORMAL : ANIM_REVERSE);
+    int graphic = el2gfx(element) + (belt_dir == MV_LEFT ? 0 : 7);
+
+    DrawGraphicAnimation(x, y, graphic, 8, delay, mode);
+  }
+}
+
 static void PlayerActions(struct PlayerInfo *player, byte player_action)
 {
   static byte stored_player_action[MAX_PLAYERS];
@@ -3655,6 +3827,12 @@ void GameActions()
       DrawGraphicAnimation(x, y, GFX2_SP_TERMINAL, 7, 12, ANIM_NORMAL);
     else if (element == EL_SP_TERMINAL_ACTIVE)
       DrawGraphicAnimation(x, y, GFX2_SP_TERMINAL_ACTIVE, 7, 4, ANIM_NORMAL);
+    else if (IS_BELT(element))
+      DrawBeltAnimation(x, y, element);
+    else if (element == EL_SWITCHGATE_OPENING)
+      OpenSwitchgate(x, y);
+    else if (element == EL_SWITCHGATE_CLOSING)
+      CloseSwitchgate(x, y);
 
     if (game.magic_wall_active)
     {
@@ -3696,6 +3874,7 @@ void GameActions()
 	for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
 	{
 	  element = Feld[x][y];
+
 	  if (element == EL_SIEB_LEER || element == EL_SIEB_VOLL)
 	  {
 	    Feld[x][y] = EL_SIEB_TOT;
@@ -3713,6 +3892,29 @@ void GameActions()
     }
   }
 
+  if (game.light_time_left > 0)
+  {
+    game.light_time_left--;
+
+    if (game.light_time_left == 0)
+    {
+      for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
+      {
+	element = Feld[x][y];
+
+	if (element == EL_LIGHT_SWITCH_ON)
+	{
+	  Feld[x][y] = EL_LIGHT_SWITCH_OFF;
+	  DrawLevelField(x, y);
+	}
+	else if (element == EL_INVISIBLE_STEEL ||
+		 element == EL_UNSICHTBAR ||
+		 element == EL_SAND_INVISIBLE)
+	  DrawLevelField(x, y);
+      }
+    }
+  }
+
   if (TimeFrames >= (1000 / GameFrameDelay) && !tape.pausing)
   {
     TimeFrames = 0;
@@ -4386,6 +4588,7 @@ int DigField(struct PlayerInfo *player,
       break;
 
     case EL_ERDREICH:
+    case EL_SAND_INVISIBLE:
       Feld[x][y] = EL_LEERRAUM;
       PlaySoundLevel(x, y, SND_SCHLURF);
       break;
@@ -4423,6 +4626,11 @@ int DigField(struct PlayerInfo *player,
       PlaySoundLevel(x, y, SND_PONG);
       break;
 
+    case EL_ENVELOPE:
+      Feld[x][y] = EL_LEERRAUM;
+      PlaySoundLevel(x, y, SND_PONG);
+      break;
+
     case EL_DYNAMITE_INACTIVE:
     case EL_SP_DISK_RED:
       RemoveField(x, y);
@@ -4546,48 +4754,142 @@ int DigField(struct PlayerInfo *player,
 	  EL_BELT3_SWITCH_L,
 	  EL_BELT4_SWITCH_L
 	};
-	static int belt_move_dir[3] =
+	static int belt_move_dir[4] =
 	{
 	  MV_LEFT,
 	  MV_NO_MOVING,
-	  MV_RIGHT
+	  MV_RIGHT,
+	  MV_NO_MOVING,
 	};
 
-	int belt_nr = (element < EL_BELT2_SWITCH_L ? 0 :
-		       element < EL_BELT3_SWITCH_L ? 1 :
-		       element < EL_BELT4_SWITCH_L ? 2 : 3);
-	int belt_dir_nr = element - belt_base_element[belt_nr];
-	int belt_dir_nr_next = (belt_dir_nr + 1) % 3;
-	int belt_dir_next = belt_move_dir[belt_dir_nr_next];
+	int belt_nr = getBeltNrFromSwitchElement(element);
+	int belt_dir_nr = (game.belt_dir_nr[belt_nr] + 1) % 4;
+	int belt_dir = belt_move_dir[belt_dir_nr];
 	int xx, yy;
 
 	if (player->Switching)
 	  return MF_ACTION;
 
-	game.belt_dir[belt_nr] = belt_dir_next;
+	player->Switching = TRUE;
+
+	game.belt_dir_nr[belt_nr] = belt_dir_nr;
+	game.belt_dir[belt_nr] = belt_dir;
+
+	if (belt_dir_nr == 3)
+	  belt_dir_nr = 1;
 
 	for (yy=0; yy<lev_fieldy; yy++)
 	{
 	  for (xx=0; xx<lev_fieldx; xx++)
 	  {
-	    if (IS_BELT_SWITCH(Feld[xx][yy]))
+	    int element = Feld[xx][yy];
+
+	    if (IS_BELT_SWITCH(element))
 	    {
-	      int e = Feld[xx][yy];
-	      int e_belt_nr = (e < EL_BELT2_SWITCH_L ? 0 :
-			       e < EL_BELT3_SWITCH_L ? 1 :
-			       e < EL_BELT4_SWITCH_L ? 2 : 3);
+	      int e_belt_nr = getBeltNrFromSwitchElement(element);
 
 	      if (e_belt_nr == belt_nr)
 	      {
-		Feld[xx][yy] = belt_base_element[belt_nr] + belt_dir_nr_next;
+		Feld[xx][yy] = belt_base_element[belt_nr] + belt_dir_nr;
 		DrawLevelField(xx, yy);
 	      }
 	    }
+	    else if (belt_dir == MV_NO_MOVING && IS_BELT(element))
+	    {
+	      int e_belt_nr = getBeltNrFromElement(element);
+
+	      if (e_belt_nr == belt_nr)
+		DrawLevelField(xx, yy);    /* set belt to parking position */
+	    }
+	  }
+	}
+
+	return MF_ACTION;
+      }
+      break;
+
+    case EL_SWITCHGATE_SWITCH_1:
+    case EL_SWITCHGATE_SWITCH_2:
+      {
+	int xx, yy;
+
+	if (player->Switching)
+	  return MF_ACTION;
+
+	player->Switching = TRUE;
+
+	game.switchgate_pos = !game.switchgate_pos;
+
+	for (yy=0; yy<lev_fieldy; yy++)
+	{
+	  for (xx=0; xx<lev_fieldx; xx++)
+	  {
+	    int element = Feld[xx][yy];
+
+	    if (element == EL_SWITCHGATE_SWITCH_1 ||
+		element == EL_SWITCHGATE_SWITCH_2)
+	    {
+	      Feld[xx][yy] = EL_SWITCHGATE_SWITCH_1 + game.switchgate_pos;
+	      DrawLevelField(xx, yy);
+	    }
+	    else if (element == EL_SWITCHGATE_OPEN ||
+		     element == EL_SWITCHGATE_OPENING)
+	    {
+	      Feld[xx][yy] = EL_SWITCHGATE_CLOSING;
+	      PlaySoundLevel(xx, yy, SND_OEFFNEN);
+	    }
+	    else if (element == EL_SWITCHGATE_CLOSED ||
+		     element == EL_SWITCHGATE_CLOSING)
+	    {
+	      Feld[xx][yy] = EL_SWITCHGATE_OPENING;
+	      PlaySoundLevel(xx, yy, SND_OEFFNEN);
+	    }
 	  }
 	}
 
+	return MF_ACTION;
+      }
+      break;
+
+    case EL_LIGHT_SWITCH_OFF:
+    case EL_LIGHT_SWITCH_ON:
+      {
+	int xx, yy;
+
+	if (player->Switching)
+	  return MF_ACTION;
+
 	player->Switching = TRUE;
 
+	game.light_time_left =
+	  (element == EL_LIGHT_SWITCH_OFF ? 10 * FRAMES_PER_SECOND : 0);
+
+	for (yy=0; yy<lev_fieldy; yy++)
+	{
+	  for (xx=0; xx<lev_fieldx; xx++)
+	  {
+	    int element = Feld[xx][yy];
+
+	    if (element == EL_LIGHT_SWITCH_OFF &&
+		game.light_time_left > 0)
+	    {
+	      Feld[xx][yy] = EL_LIGHT_SWITCH_ON;
+	      DrawLevelField(xx, yy);
+	    }
+	    else if (element == EL_LIGHT_SWITCH_ON &&
+		     game.light_time_left == 0)
+	    {
+	      Feld[xx][yy] = EL_LIGHT_SWITCH_OFF;
+	      DrawLevelField(xx, yy);
+	    }
+
+	    if (element == EL_INVISIBLE_STEEL ||
+		element == EL_UNSICHTBAR ||
+		element == EL_SAND_INVISIBLE)
+	      DrawLevelField(xx, yy);
+	  }
+	}
+
 	return MF_ACTION;
       }
       break;
@@ -4692,6 +4994,18 @@ int DigField(struct PlayerInfo *player,
 
       break;
 
+    case EL_SWITCHGATE_OPEN:
+      if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
+	return MF_NO_ACTION;
+
+      /* automatically move to the next field with double speed */
+      player->programmed_action = move_direction;
+      DOUBLE_PLAYER_SPEED(player);
+
+      PlaySoundLevel(x, y, SND_GATE);
+
+      break;
+
     case EL_SP_PORT1_LEFT:
     case EL_SP_PORT2_LEFT:
     case EL_SP_PORT1_RIGHT: