X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fgame_em%2Fsynchro_1.c;h=7852eb74a0b3224e5f20303475e0f5ea1067ba89;hp=695d52f378875387336beb665f990a8df5fb4836;hb=520916c89d7d96944bf3d66e3caa5afd840df74c;hpb=c5321d9d36d0a74062651d0352fbbaccbe125eca

diff --git a/src/game_em/synchro_1.c b/src/game_em/synchro_1.c
index 695d52f3..7852eb74 100644
--- a/src/game_em/synchro_1.c
+++ b/src/game_em/synchro_1.c
@@ -5,86 +5,81 @@
  * large switch statement for tiles the player interacts with.
  */
 
-#include "tile.h"
-#include "level.h"
-#include "sample.h"
+#include "main_em.h"
 
 
-static void player(struct PLAYER *);
-static int test(struct PLAYER *);
-static void die(struct PLAYER *);
+#define USE_CHANGED_ACID_STUFF		1
 
-void synchro_1(void)
-{
- /* must test for death and actually kill separately */
-  char ply1_kill = test(&ply1);
-  char ply2_kill = test(&ply2);
+extern boolean checkIfAllPlayersFitToScreen();
 
-  if (ply1.alive && ply1_kill)
-    die(&ply1);
-  if (ply2.alive && ply2_kill)
-    die(&ply2);
+static void check_player(struct PLAYER *);
+static void kill_player(struct PLAYER *);
+static boolean player_digfield(struct PLAYER *, int, int);
+static boolean player_killed(struct PLAYER *);
 
-#if 0
-  ply1.alive = 1; /* debugging */
-#endif
+void synchro_1(void)
+{
+  int start_check_nr;
+  int i;
 
-  ply1.oldx = ply1.x;
-  ply1.oldy = ply1.y;
-  ply1.anim = SPR_still;
-  ply2.oldx = ply2.x;
-  ply2.oldy = ply2.y;
-  ply2.anim = SPR_still;
+  game_em.any_player_moving = FALSE;
+  game_em.any_player_snapping = FALSE;
 
-  if (Random & 256)
+  /* must test for death and actually kill separately */
+  for (i = 0; i < MAX_PLAYERS; i++)
   {
-    if (ply1.alive) player(&ply1);
-    if (ply2.alive) player(&ply2);
+    boolean ply_kill = player_killed(&ply[i]);
+
+    if (ply[i].alive && ply_kill)
+      kill_player(&ply[i]);
   }
-  else
+
+  for (i = 0; i < MAX_PLAYERS; i++)
   {
-    if (ply2.alive) player(&ply2);
-    if (ply1.alive) player(&ply1);
+    ply[i].oldx = ply[i].x;
+    ply[i].oldy = ply[i].y;
+    ply[i].anim = SPR_still;
   }
 
-  if (ply1.alive)
+  start_check_nr = (RandomEM & 128 ? 0 : 1) * 2 + (RandomEM & 256 ? 0 : 1);
+
+  for (i = 0; i < MAX_PLAYERS; i++)
   {
-    if (Cave[ply1.oldy][ply1.oldx] == Zplayer)
-    {
-      Cave[ply1.oldy][ply1.oldx] = Xblank;
-      Next[ply1.oldy][ply1.oldx] = Xblank;
-    }
+    int check_nr = (start_check_nr + i) % MAX_PLAYERS;
 
-    if (Cave[ply1.y][ply1.x] == Xblank)
-    {
-      Cave[ply1.y][ply1.x] = Zplayer;
-      Next[ply1.y][ply1.x] = Zplayer;
-    }
+    if (ply[check_nr].alive)
+      check_player(&ply[check_nr]);
   }
 
-  if (ply2.alive)
+  for (i = 0; i < MAX_PLAYERS; i++)
   {
-    if (Cave[ply2.oldy][ply2.oldx] == Zplayer)
+    if (!ply[i].alive)
+      continue;
+
+    if (Cave[ply[i].oldy][ply[i].oldx] == Zplayer)
     {
-      Cave[ply2.oldy][ply2.oldx] = Xblank;
-      Next[ply2.oldy][ply2.oldx] = Xblank;
+      Cave[ply[i].oldy][ply[i].oldx] = Xblank;
+      Next[ply[i].oldy][ply[i].oldx] = Xblank;
     }
 
-    if (Cave[ply2.y][ply2.x] == Xblank)
+    if (Cave[ply[i].y][ply[i].x] == Xblank)
     {
-      Cave[ply2.y][ply2.x] = Zplayer;
-      Next[ply2.y][ply2.x] = Zplayer;
+      Cave[ply[i].y][ply[i].x] = Zplayer;
+      Next[ply[i].y][ply[i].x] = Zplayer;
     }
   }
 }
 
-static int test(struct PLAYER *ply)
+static boolean player_killed(struct PLAYER *ply)
 {
-  register unsigned int x = ply->x;
-  register unsigned int y = ply->y;
+  int x = ply->x;
+  int y = ply->y;
+
+  if (!ply->alive)
+    return FALSE;
 
-  if (lev.time == 0)
-    return(1);
+  if (lev.killed_out_of_time && setup.time_limit)
+    return TRUE;
 
   switch(Cave[y-1][x])
   {
@@ -104,7 +99,7 @@ static int test(struct PLAYER *ply)
     case Xtank_goe:
     case Xtank_gos:
     case Xtank_gow:
-      return(1);
+      return TRUE;
   }
 
   switch(Cave[y][x+1])
@@ -125,7 +120,7 @@ static int test(struct PLAYER *ply)
     case Xtank_goe:
     case Xtank_gos:
     case Xtank_gow:
-      return(1);
+      return TRUE;
   }
 
   switch(Cave[y+1][x])
@@ -146,7 +141,7 @@ static int test(struct PLAYER *ply)
     case Xtank_goe:
     case Xtank_gos:
     case Xtank_gow:
-      return(1);
+      return TRUE;
   }
 
   switch(Cave[y][x-1])
@@ -167,7 +162,7 @@ static int test(struct PLAYER *ply)
     case Xtank_goe:
     case Xtank_gos:
     case Xtank_gow:
-      return(1);
+      return TRUE;
   }
 
   switch(Cave[y][x])
@@ -180,16 +175,26 @@ static int test(struct PLAYER *ply)
     case Xdynamite_2:
     case Xdynamite_3:
     case Xdynamite_4:
-      return(0);
+#if 1
+    case Xfake_acid_1:
+    case Xfake_acid_2:
+    case Xfake_acid_3:
+    case Xfake_acid_4:
+    case Xfake_acid_5:
+    case Xfake_acid_6:
+    case Xfake_acid_7:
+    case Xfake_acid_8:
+#endif
+      return FALSE;
   }
 
-  return(1);
+  return TRUE;
 }
 
-static void die(struct PLAYER *ply)
+static void kill_player(struct PLAYER *ply)
 {
-  register unsigned int x = ply->x;
-  register unsigned int y = ply->y;
+  int x = ply->x;
+  int y = ply->y;
 
   ply->alive = 0;
 
@@ -298,85 +303,104 @@ static void die(struct PLAYER *ply)
     case Xexit_1:
     case Xexit_2:
     case Xexit_3:
-      play[SAMPLE_exit] = 1;
+      lev.exit_x = x;
+      lev.exit_y = y;
+      play_element_sound(x, y, SAMPLE_exit_leave, Xexit_1);
       break;
 
     default:
-      play[SAMPLE_die] = 1;
+      play_element_sound(x, y, SAMPLE_die, Zplayer);
       break;
   }
 
-  Cave[y][x] = Xboom_1;
-  Boom[y][x] = Xblank;
+  switch(Cave[y][x])
+  {
+#if USE_CHANGED_ACID_STUFF
+    case Xacid_1:
+    case Xacid_2:
+    case Xacid_3:
+    case Xacid_4:
+    case Xacid_5:
+    case Xacid_6:
+    case Xacid_7:
+    case Xacid_8:
+      break;
+#endif
+
+    default:
+      Cave[y][x] = Xboom_1;
+      Boom[y][x] = Xblank;
+      break;
+  }
 }
 
-static void player(struct PLAYER *ply)
+static void check_player(struct PLAYER *ply)
 {
-  register unsigned int x = ply->x;
-  register unsigned int y = ply->y;
-  unsigned int anim = 0;	/* initialized to make compilers happy */
+  int oldx = ply->x;
+  int oldy = ply->y;
+  int x = oldx;
+  int y = oldy;
   int dx = 0, dy = 0;
 
-  if ((ply->joy_spin = !ply->joy_spin))
+  game_em.last_player_direction[ply->num] = MV_NONE;
+
+  if (ply->joy_w)		/* west */
   {
-    if (ply->joy_n)
-    {
-      y--;
-      dy = -1;
-      anim = 0;
-      /* north */
-    }
-    else if (ply->joy_e)
-    {
-      x++;
-      dx = 1;
-      anim = 1;
-      /* east */
-    }
-    else if (ply->joy_s)
-    {
-      y++;
-      dy = 1;
-      anim = 2;
-      /* south */
-    }
-    else if (ply->joy_w)
-    {
-      x--;
-      dx = -1;
-      anim = 3;
-      /* west */
-    }
+    x--;
+    dx = -1;
   }
-  else
+  else if (ply->joy_e)		/* east */
   {
-    if (ply->joy_w)
-    {
-      x--;
-      dx = -1;
-      anim = 3;
-      /* west */
-    }
-    else if (ply->joy_s)
-    {
-      y++;
-      dy = 1;
-      anim = 2;
-      /* south */
-    }
-    else if (ply->joy_e)
-    {
-      x++;
-      dx = 1;
-      anim = 1;
-      /* east */
-    }
-    else if (ply->joy_n)
+    x++;
+    dx = 1;
+  }
+
+  if (ply->joy_n)		/* north */
+  {
+    y--;
+    dy = -1;
+  }
+  else if (ply->joy_s)		/* south */
+  {
+    y++;
+    dy = 1;
+  }
+
+  if (dx || dy)
+  {
+    int oldx = ply->x;
+    int oldy = ply->y;
+    int x = oldx + dx;
+    int y = oldy + dy;
+    boolean players_visible_before_move;
+    boolean players_visible_after_move;
+    boolean can_move;
+
+    players_visible_before_move = checkIfAllPlayersFitToScreen();
+
+    ply->x = x;
+    ply->y = y;
+
+    players_visible_after_move = checkIfAllPlayersFitToScreen();
+
+    /*
+      player is allowed to move only in the following cases:
+      - it is not needed to display all players (not focussed to all players)
+      - all players are (still or again) visible after the move
+      - some players were already outside visible screen area before the move
+    */
+    can_move = (game.centered_player_nr != -1 ||
+		players_visible_after_move ||
+		!players_visible_before_move);
+
+    ply->x = oldx;
+    ply->y = oldy;
+
+    if (!can_move)
     {
-      y--;
-      dy = -1;
-      anim = 0;
-      /* north */
+      ply->joy_n = ply->joy_e = ply->joy_s = ply->joy_w = 0;
+
+      return;
     }
   }
 
@@ -384,12 +408,12 @@ static void player(struct PLAYER *ply)
   {
     ply->joy_stick = 0;
 
-    if (ply->joy_fire)
+    if (ply->joy_drop)
     {
       if (++ply->dynamite_cnt == 5 && ply->dynamite)
       {
 	Cave[y][x] = Xdynamite_1;
-	play[SAMPLE_dynamite] = 1;
+	play_element_sound(x, y, SAMPLE_dynamite, Xdynamite_1);
 	ply->dynamite--;
       }
     }
@@ -398,17 +422,68 @@ static void player(struct PLAYER *ply)
       ply->dynamite_cnt = 0;
     }
 
-    Random += 7; /* bit more random if we dont move */
+    RandomEM += 7;	/* be a bit more random if the player doesn't move */
 
     return;
   }
 
   ply->joy_stick = 1;
   ply->joy_n = ply->joy_e = ply->joy_s = ply->joy_w = 0;
-  ply->dynamite_cnt = 0; /* reset dynamite timer if we move */
+  ply->dynamite_cnt = 0;	/* reset dynamite timer if we move */
+  ply->joy_spin = !ply->joy_spin;
 
-  if (ply->joy_fire == 0)
+  if (ply->joy_snap == 0)		/* player wants to move */
   {
+    boolean moved = FALSE;
+
+    if (ply->last_move_dir & MV_HORIZONTAL)
+    {
+      if (!(moved = player_digfield(ply, 0, dy)))
+	moved = player_digfield(ply, dx, 0);
+    }
+    else
+    {
+      if (!(moved = player_digfield(ply, dx, 0)))
+	moved = player_digfield(ply, 0, dy);
+    }
+
+    if (moved)
+    {
+      if (oldx != ply->x)
+	ply->last_move_dir = (dx < 0 ? MV_LEFT : MV_RIGHT);
+      else if (oldy != ply->y)
+	ply->last_move_dir = (dy < 0 ? MV_UP : MV_DOWN);
+
+      game_em.any_player_moving = TRUE;
+      game_em.last_moving_player = ply->num;
+      game_em.last_player_direction[ply->num] = ply->last_move_dir;
+    }
+  }
+  else					/* player wants to snap */
+  {
+    game_em.any_player_snapping = player_digfield(ply, dx, dy);
+  }
+}
+
+static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
+{
+  int anim = (dx < 0 ? 3 : dx > 0 ? 1 : dy < 0 ? 0 : dy > 0 ? 2 : 2);
+  int oldx = ply->x;
+  int oldy = ply->y;
+  int x = oldx + dx;
+  int y = oldy + dy;
+  boolean result = TRUE;
+
+  if (!dx && !dy)			/* no direction specified */
+    return FALSE;
+
+  if (dx && dy && ply->joy_snap)	/* more than one direction specified */
+    return FALSE;
+
+  if (ply->joy_snap == 0)		/* player wants to move */
+  {
+    int element = Cave[y][x];
+
     switch(Cave[y][x])
     {
       /* fire is released */
@@ -417,12 +492,38 @@ static void player(struct PLAYER *ply)
       case Yacid_splash_wB:
 	Cave[y][x] = Zplayer;
 	Next[y][x] = Zplayer;
-	play[SAMPLE_blank] = 1;
+#if 1
+      case Xfake_acid_1:
+      case Xfake_acid_2:
+      case Xfake_acid_3:
+      case Xfake_acid_4:
+      case Xfake_acid_5:
+      case Xfake_acid_6:
+      case Xfake_acid_7:
+      case Xfake_acid_8:
+#endif
+	play_element_sound(x, y, SAMPLE_blank, Xblank);
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
 	break;
 
+#if USE_CHANGED_ACID_STUFF
+      case Xacid_1:
+      case Xacid_2:
+      case Xacid_3:
+      case Xacid_4:
+      case Xacid_5:
+      case Xacid_6:
+      case Xacid_7:
+      case Xacid_8:
+	if (Cave[y-1][x+1] == Xblank)
+	  Cave[y-1][x+1] = Yacid_splash_eB;
+	if (Cave[y-1][x-1] == Xblank)
+	  Cave[y-1][x-1] = Yacid_splash_wB;
+	play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+#endif
+
       case Xboom_android:
       case Xboom_1:
       case Xbug_n:
@@ -441,6 +542,8 @@ static void player(struct PLAYER *ply)
       case Xtank_goe:
       case Xtank_gos:
       case Xtank_gow:
+
+#if !USE_CHANGED_ACID_STUFF
       case Xacid_1:
       case Xacid_2:
       case Xacid_3:
@@ -449,6 +552,7 @@ static void player(struct PLAYER *ply)
       case Xacid_6:
       case Xacid_7:
       case Xacid_8:
+#endif
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
@@ -458,7 +562,7 @@ static void player(struct PLAYER *ply)
 	Cave[y][x] = (dy ? (dy < 0 ? Ygrass_nB : Ygrass_sB) :
 		      (dx > 0 ? Ygrass_eB : Ygrass_wB));
 	Next[y][x] = Zplayer;
-	play[SAMPLE_dirt] = 1;
+	play_element_sound(x, y, SAMPLE_dirt, Xgrass);
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
@@ -468,7 +572,7 @@ static void player(struct PLAYER *ply)
 	Cave[y][x] = (dy ? (dy < 0 ? Ydirt_nB : Ydirt_sB) :
 		      (dx > 0 ? Ydirt_eB : Ydirt_wB));
 	Next[y][x] = Zplayer;
-	play[SAMPLE_dirt] = 1;
+	play_element_sound(x, y, SAMPLE_dirt, Xdirt);
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
@@ -478,9 +582,10 @@ static void player(struct PLAYER *ply)
       case Xdiamond_pause:
 	Cave[y][x] = Ydiamond_eat;
 	Next[y][x] = Zplayer;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.diamond_score;
 	lev.required = lev.required < 3 ? 0 : lev.required - 3;
+	game.snapshot.collected_item = TRUE;
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
@@ -490,9 +595,10 @@ static void player(struct PLAYER *ply)
       case Xemerald_pause:
 	Cave[y][x] = Yemerald_eat;
 	Next[y][x] = Zplayer;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.emerald_score;
 	lev.required = lev.required < 1 ? 0 : lev.required - 1;
+	game.snapshot.collected_item = TRUE;
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
@@ -501,7 +607,7 @@ static void player(struct PLAYER *ply)
       case Xdynamite:
 	Cave[y][x] = Ydynamite_eat;
 	Next[y][x] = Zplayer;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.dynamite_score;
 	ply->dynamite = ply->dynamite > 9998 ? 9999 : ply->dynamite + 1;
 	ply->anim = SPR_walk + anim;
@@ -511,41 +617,48 @@ static void player(struct PLAYER *ply)
 
       case Xkey_1:
 	ply->keys |= 0x01;
+	Cave[y][x] = Ykey_1_eat;
 	goto key_walk;
 
       case Xkey_2:
 	ply->keys |= 0x02;
+	Cave[y][x] = Ykey_2_eat;
 	goto key_walk;
 
       case Xkey_3:
 	ply->keys |= 0x04;
+	Cave[y][x] = Ykey_3_eat;
 	goto key_walk;
 
       case Xkey_4:
 	ply->keys |= 0x08;
+	Cave[y][x] = Ykey_4_eat;
 	goto key_walk;
 
       case Xkey_5:
 	ply->keys |= 0x10;
+	Cave[y][x] = Ykey_5_eat;
 	goto key_walk;
 
       case Xkey_6:
 	ply->keys |= 0x20;
+	Cave[y][x] = Ykey_6_eat;
 	goto key_walk;
 
       case Xkey_7:
 	ply->keys |= 0x40;
+	Cave[y][x] = Ykey_7_eat;
 	goto key_walk;
 
       case Xkey_8:
 	ply->keys |= 0x80;
+	Cave[y][x] = Ykey_8_eat;
 	goto key_walk;
 
       key_walk:
 
-	Cave[y][x] = Yball_eat;
 	Next[y][x] = Zplayer;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.key_score;
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
@@ -553,9 +666,9 @@ static void player(struct PLAYER *ply)
 	break;
 
       case Xlenses:
-	Cave[y][x] = Yball_eat;
+	Cave[y][x] = Ylenses_eat;
 	Next[y][x] = Zplayer;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.lenses_score;
 	lev.lenses_cnt = lev.lenses_time;
 	ply->anim = SPR_walk + anim;
@@ -564,9 +677,9 @@ static void player(struct PLAYER *ply)
 	break;
 
       case Xmagnify:
-	Cave[y][x] = Yball_eat;
+	Cave[y][x] = Ymagnify_eat;
 	Next[y][x] = Zplayer;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.magnify_score;
 	lev.magnify_cnt = lev.magnify_time;
 	ply->anim = SPR_walk + anim;
@@ -592,7 +705,7 @@ static void player(struct PLAYER *ply)
 	      Cave[y-1][x+dx+1] = Yacid_splash_eB;
 	    if (Cave[y-1][x+dx-1] == Xblank)
 	      Cave[y-1][x+dx-1] = Yacid_splash_wB;
-	    play[SAMPLE_acid] = 1;
+	    play_element_sound(x, y, SAMPLE_acid, Xacid_1);
 	    goto stone_walk;
 
           case Xblank:
@@ -605,7 +718,7 @@ static void player(struct PLAYER *ply)
 
 	    Cave[y][x] = dx > 0 ? Ystone_eB : Ystone_wB;
 	    Next[y][x] = Zplayer;
-	    play[SAMPLE_roll] = 1;
+	    play_element_sound(x, y, SAMPLE_roll, Xstone);
 	    ply->x = x;
 	}
 
@@ -630,7 +743,7 @@ static void player(struct PLAYER *ply)
 	      Cave[y-1][x+dx+1] = Yacid_splash_eB;
 	    if (Cave[y-1][x+dx-1] == Xblank)
 	      Cave[y-1][x+dx-1] = Yacid_splash_wB;
-	    play[SAMPLE_acid] = 1;
+	    play_element_sound(x, y, SAMPLE_acid, Xacid_1);
 	    goto bomb_walk;
 
 	  case Xblank:
@@ -643,7 +756,7 @@ static void player(struct PLAYER *ply)
 
 	    Cave[y][x] = dx > 0 ? Ybomb_eB : Ybomb_wB;
 	    Next[y][x] = Zplayer;
-	    play[SAMPLE_roll] = 1;
+	    play_element_sound(x, y, SAMPLE_roll, Xbomb);
 	    ply->x = x;
 	}
 
@@ -668,7 +781,7 @@ static void player(struct PLAYER *ply)
 	      Cave[y-1][x+dx+1] = Yacid_splash_eB;
 	    if (Cave[y-1][x+dx-1] == Xblank)
 	      Cave[y-1][x+dx-1] = Yacid_splash_wB;
-	    play[SAMPLE_acid] = 1;
+	    play_element_sound(x, y, SAMPLE_acid, Xacid_1);
 	    goto nut_walk;
 
           case Xblank:
@@ -681,7 +794,7 @@ static void player(struct PLAYER *ply)
 
 	    Cave[y][x] = dx > 0 ? Ynut_eB : Ynut_wB;
 	    Next[y][x] = Zplayer;
-	    play[SAMPLE_roll] = 1;
+	    play_element_sound(x, y, SAMPLE_roll, Xnut);
 	    ply->x = x;
 	}
 
@@ -700,7 +813,7 @@ static void player(struct PLAYER *ply)
 	    Cave[y][x+dx] = dx > 0 ? Yspring_kill_e : Yspring_kill_w;
 	    Next[y][x] = Zplayer;
 	    Next[y][x+dx] = dx > 0 ? Xspring_e : Xspring_w;
-	    play[SAMPLE_slurp] = 1;
+	    play_element_sound(x, y, SAMPLE_slurp, Xalien);
 	    lev.score += lev.slurp_score;
 	    ply->x = x;
 	    break;
@@ -717,7 +830,7 @@ static void player(struct PLAYER *ply)
 	      Cave[y-1][x+dx+1] = Yacid_splash_eB;
 	    if (Cave[y-1][x+dx-1] == Xblank)
 	      Cave[y-1][x+dx-1] = Yacid_splash_wB;
-	    play[SAMPLE_acid] = 1;
+	    play_element_sound(x, y, SAMPLE_acid, Xacid_1);
 	    goto spring_walk;
 
           case Xblank:
@@ -729,7 +842,7 @@ static void player(struct PLAYER *ply)
 	  spring_walk:
 	    Cave[y][x] = dx > 0 ? Yspring_eB : Yspring_wB;
 	    Next[y][x] = Zplayer;
-	    play[SAMPLE_roll] = 1;
+	    play_element_sound(x, y, SAMPLE_roll, Xspring);
 	    ply->x = x;
 	}
 
@@ -765,7 +878,7 @@ static void player(struct PLAYER *ply)
 	      Cave[y+dy-1][x+dx+1] = Yacid_splash_eB;
 	    if (Cave[y+dy-1][x+dx-1] == Xblank)
 	      Cave[y+dy-1][x+dx-1] = Yacid_splash_wB;
-	    play[SAMPLE_acid] = 1;
+	    play_element_sound(x, y, SAMPLE_acid, Xacid_1);
 	    goto balloon_walk;
 
           case Xblank:
@@ -779,7 +892,7 @@ static void player(struct PLAYER *ply)
 	    Cave[y][x] = (dy ? (dy < 0 ? Yballoon_nB : Yballoon_sB) :
 			  (dx > 0 ? Yballoon_eB : Yballoon_wB));
 	    Next[y][x] = Zplayer;
-	    play[SAMPLE_push] = 1;
+	    play_element_sound(x, y, SAMPLE_push, Xballoon);
 	    ply->x = x;
 	    ply->y = y;
 	}
@@ -810,7 +923,7 @@ static void player(struct PLAYER *ply)
 	      Cave[y+dy-1][x+dx+1] = Yacid_splash_eB;
 	    if (Cave[y+dy-1][x+dx-1] == Xblank)
 	      Cave[y+dy-1][x+dx-1] = Yacid_splash_wB;
-	    play[SAMPLE_acid] = 1;
+	    play_element_sound(x, y, SAMPLE_acid, Xacid_1);
 	    goto android_walk;
 
           case Xblank:
@@ -825,7 +938,7 @@ static void player(struct PLAYER *ply)
 	    Cave[y][x] = (dy ? (dy < 0 ? Yandroid_nB : Yandroid_sB) :
 			  (dx > 0 ? Yandroid_eB : Yandroid_wB));
 	    Next[y][x] = Zplayer;
-	    play[SAMPLE_push] = 1;
+	    play_element_sound(x, y, SAMPLE_push, Xandroid);
 	    ply->x = x;
 	    ply->y = y;
 	}
@@ -895,14 +1008,14 @@ static void player(struct PLAYER *ply)
 
 	Cave[y+dy][x+dx] = Zplayer;
 	Next[y+dy][x+dx] = Zplayer;
-	play[SAMPLE_door] = 1;
+	play_element_sound(x, y, SAMPLE_door, element);
 	ply->anim = SPR_walk + anim;
 	ply->x = x + dx;
 	ply->y = y + dy;
 	break;
 
       case Xwheel:
-	play[SAMPLE_press] = 1;
+	play_element_sound(x, y, SAMPLE_press, element);
 	lev.wheel_cnt = lev.wheel_time;
 	lev.wheel_x = x;
 	lev.wheel_y = y;
@@ -929,17 +1042,17 @@ static void player(struct PLAYER *ply)
 	goto wind_walk;
 
       wind_walk:
-	play[SAMPLE_press] = 1;
+	play_element_sound(x, y, SAMPLE_press, element);
 	lev.wind_cnt = lev.wind_time;
 	break;
 
       case Xwind_stop:
-	play[SAMPLE_press] = 1;
+	play_element_sound(x, y, SAMPLE_press, element);
 	lev.wind_cnt = 0;
 	break;
 
       case Xswitch:
-	play[SAMPLE_press] = 1;
+	play_element_sound(x, y, SAMPLE_press, element);
 	lev.ball_cnt = lev.ball_time;
 	lev.ball_state = !lev.ball_state;
 	break;
@@ -947,7 +1060,7 @@ static void player(struct PLAYER *ply)
       case Xplant:
 	Cave[y][x] = Yplant;
 	Next[y][x] = Xplant;
-	play[SAMPLE_blank] = 1;
+	play_element_sound(x, y, SAMPLE_blank, Xplant);
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
@@ -956,26 +1069,37 @@ static void player(struct PLAYER *ply)
       case Xexit_1:
       case Xexit_2:
       case Xexit_3:
-	play[SAMPLE_exit] = 1;
-	if (--lev.home == 0)
-	  lev.score += lev.time * lev.exit_score / 100;
+	lev.home--;
+
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
+
 	break;
     }
+
+    if (ply->x == oldx && ply->y == oldy)	/* no movement */
+      result = FALSE;
   }
-  else
+  else					/* player wants to snap */
   {
+    int element = Cave[y][x];
+
     switch(Cave[y][x])
     {
       /* fire is pressed */
 
       case Xgrass:
+	Cave[y][x] = Ygrass_eat;
+	Next[y][x] = Xblank;
+	play_element_sound(x, y, SAMPLE_dirt, element);
+	ply->anim = SPR_spray + anim;
+	break;
+
       case Xdirt:
-	Cave[y][x] = Yball_eat;
+	Cave[y][x] = Ydirt_eat;
 	Next[y][x] = Xblank;
-	play[SAMPLE_dirt] = 1;
+	play_element_sound(x, y, SAMPLE_dirt, element);
 	ply->anim = SPR_spray + anim;
 	break;
 
@@ -983,9 +1107,10 @@ static void player(struct PLAYER *ply)
       case Xdiamond_pause:
 	Cave[y][x] = Ydiamond_eat;
 	Next[y][x] = Xblank;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.diamond_score;
 	lev.required = lev.required < 3 ? 0 : lev.required - 3;
+	game.snapshot.collected_item = TRUE;
 	ply->anim = SPR_walk + anim;
 	break;
 
@@ -993,16 +1118,17 @@ static void player(struct PLAYER *ply)
       case Xemerald_pause:
 	Cave[y][x] = Yemerald_eat;
 	Next[y][x] = Xblank;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.emerald_score;
 	lev.required = lev.required < 1 ? 0 : lev.required - 1;
+	game.snapshot.collected_item = TRUE;
 	ply->anim = SPR_walk + anim;
 	break;
 
       case Xdynamite:
 	Cave[y][x] = Ydynamite_eat;
 	Next[y][x] = Xblank;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.dynamite_score;
 	ply->dynamite = ply->dynamite > 9998 ? 9999 : ply->dynamite + 1;
 	ply->anim = SPR_walk + anim;
@@ -1010,61 +1136,73 @@ static void player(struct PLAYER *ply)
 
       case Xkey_1:
 	ply->keys |= 0x01;
+	Cave[y][x] = Ykey_1_eat;
 	goto key_shoot;
 
       case Xkey_2:
 	ply->keys |= 0x02;
+	Cave[y][x] = Ykey_2_eat;
 	goto key_shoot;
 
       case Xkey_3:
 	ply->keys |= 0x04;
+	Cave[y][x] = Ykey_3_eat;
 	goto key_shoot;
 
       case Xkey_4:
 	ply->keys |= 0x08;
+	Cave[y][x] = Ykey_4_eat;
 	goto key_shoot;
 
       case Xkey_5:
 	ply->keys |= 0x10;
+	Cave[y][x] = Ykey_5_eat;
 	goto key_shoot;
 
       case Xkey_6:
 	ply->keys |= 0x20;
+	Cave[y][x] = Ykey_6_eat;
 	goto key_shoot;
 
       case Xkey_7:
 	ply->keys |= 0x40;
+	Cave[y][x] = Ykey_7_eat;
 	goto key_shoot;
 
       case Xkey_8:
 	ply->keys |= 0x80;
+	Cave[y][x] = Ykey_8_eat;
 	goto key_shoot;
 
       key_shoot:
-	Cave[y][x] = Yball_eat;
 	Next[y][x] = Xblank;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.key_score;
 	ply->anim = SPR_walk + anim;
 	break;
 
       case Xlenses:
-	Cave[y][x] = Yball_eat;
+	Cave[y][x] = Ylenses_eat;
 	Next[y][x] = Xblank;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.lenses_score;
 	lev.lenses_cnt = lev.lenses_time;
 	ply->anim = SPR_walk + anim;
 	break;
 
       case Xmagnify:
-	Cave[y][x] = Yball_eat;
+	Cave[y][x] = Ymagnify_eat;
 	Next[y][x] = Xblank;
-	play[SAMPLE_collect] = 1;
+	play_element_sound(x, y, SAMPLE_collect, element);
 	lev.score += lev.magnify_score;
 	lev.magnify_cnt = lev.magnify_time;
 	ply->anim = SPR_walk + anim;
 	break;
+
+      default:
+	result = FALSE;
     }
   }
+
+  return result;
 }