updated various names of EM engine specific definitions
[rocksndiamonds.git] / src / game_em / synchro_1.c
index 147da4aff72b564899e3155701d3ce52b8e03e7a..08a823a0b359d4ba6f22f7d2f103e66a45fe3f6f 100644 (file)
@@ -5,12 +5,11 @@
  * large switch statement for tiles the player interacts with.
  */
 
-#include "tile.h"
-#include "level.h"
-#include "sample.h"
-#include "display.h"
+#include "main_em.h"
 
 
+#define USE_CHANGED_ACID_STUFF         1
+
 static void check_player(struct PLAYER *);
 static void kill_player(struct PLAYER *);
 static boolean player_digfield(struct PLAYER *, int, int);
@@ -18,15 +17,13 @@ static boolean player_killed(struct PLAYER *);
 
 void synchro_1(void)
 {
-#if 1
-
   int start_check_nr;
   int i;
 
   game_em.any_player_moving = FALSE;
+  game_em.any_player_snapping = FALSE;
 
   /* must test for death and actually kill separately */
-
   for (i = 0; i < MAX_PLAYERS; i++)
   {
     boolean ply_kill = player_killed(&ply[i]);
@@ -35,30 +32,11 @@ void synchro_1(void)
       kill_player(&ply[i]);
   }
 
-#else
-
-  /* must test for death and actually kill separately */
-  boolean ply1_kill = player_killed(&ply1);
-  boolean ply2_kill = player_killed(&ply2);
-
-  if (ply1.alive && ply1_kill)
-    kill_player(&ply1);
-  if (ply2.alive && ply2_kill)
-    kill_player(&ply2);
-
-#endif
-
-#if 0
-  ply1.alive = 1; /* debugging */
-#endif
-
-#if 1
-
   for (i = 0; i < MAX_PLAYERS; i++)
   {
     ply[i].oldx = ply[i].x;
     ply[i].oldy = ply[i].y;
-    ply[i].anim = SPR_still;
+    ply[i].anim = PLY_still;
   }
 
   start_check_nr = (RandomEM & 128 ? 0 : 1) * 2 + (RandomEM & 256 ? 0 : 1);
@@ -88,58 +66,6 @@ void synchro_1(void)
       Next[ply[i].y][ply[i].x] = Zplayer;
     }
   }
-
-#else
-
-  ply1.oldx = ply1.x;
-  ply1.oldy = ply1.y;
-  ply1.anim = SPR_still;
-  ply2.oldx = ply2.x;
-  ply2.oldy = ply2.y;
-  ply2.anim = SPR_still;
-
-  if (RandomEM & 256)
-  {
-    if (ply1.alive) check_player(&ply1);
-    if (ply2.alive) check_player(&ply2);
-  }
-  else
-  {
-    if (ply2.alive) check_player(&ply2);
-    if (ply1.alive) check_player(&ply1);
-  }
-
-  if (ply1.alive)
-  {
-    if (Cave[ply1.oldy][ply1.oldx] == Zplayer)
-    {
-      Cave[ply1.oldy][ply1.oldx] = Xblank;
-      Next[ply1.oldy][ply1.oldx] = Xblank;
-    }
-
-    if (Cave[ply1.y][ply1.x] == Xblank)
-    {
-      Cave[ply1.y][ply1.x] = Zplayer;
-      Next[ply1.y][ply1.x] = Zplayer;
-    }
-  }
-
-  if (ply2.alive)
-  {
-    if (Cave[ply2.oldy][ply2.oldx] == Zplayer)
-    {
-      Cave[ply2.oldy][ply2.oldx] = Xblank;
-      Next[ply2.oldy][ply2.oldx] = Xblank;
-    }
-
-    if (Cave[ply2.y][ply2.x] == Xblank)
-    {
-      Cave[ply2.y][ply2.x] = Zplayer;
-      Next[ply2.y][ply2.x] = Zplayer;
-    }
-  }
-
-#endif
 }
 
 static boolean player_killed(struct PLAYER *ply)
@@ -147,110 +73,101 @@ static boolean player_killed(struct PLAYER *ply)
   int x = ply->x;
   int y = ply->y;
 
-#if 0
-  printf("::: %d: %d, %d\n", ply->num, x, y);
-#endif
-
   if (!ply->alive)
     return FALSE;
 
-#if 1
   if (lev.killed_out_of_time && setup.time_limit)
     return TRUE;
-#else
-  if (lev.time_initial > 0 && lev.time == 0 && setup.time_limit)
-    return TRUE;
-#endif
 
   switch(Cave[y-1][x])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       return TRUE;
   }
 
   switch(Cave[y][x+1])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       return TRUE;
   }
 
   switch(Cave[y+1][x])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       return TRUE;
   }
 
   switch(Cave[y][x-1])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       return TRUE;
   }
 
   switch(Cave[y][x])
   {
     case Xblank:
-    case Yacid_splash_eB:
-    case Yacid_splash_wB:
+    case Xacid_splash_e:
+    case Xacid_splash_w:
     case Zplayer:
     case Xdynamite_1:
     case Xdynamite_2:
@@ -281,125 +198,101 @@ static void kill_player(struct PLAYER *ply)
 
   switch(Cave[y-1][x])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
       Cave[y-1][x] = Xboom_bug;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
 
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       Cave[y-1][x] = Xboom_bomb;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
   }
 
   switch(Cave[y][x+1])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
       Cave[y][x+1] = Xboom_bug;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
 
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       Cave[y][x+1] = Xboom_bomb;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
   }
 
   switch(Cave[y+1][x])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
       Cave[y+1][x] = Xboom_bug;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
 
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       Cave[y+1][x] = Xboom_bomb;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
   }
 
   switch(Cave[y][x-1])
   {
-    case Xbug_n:
-    case Xbug_e:
-    case Xbug_s:
-    case Xbug_w:
-    case Xbug_gon:
-    case Xbug_goe:
-    case Xbug_gos:
-    case Xbug_gow:
+    case Xbug_1_n:
+    case Xbug_1_e:
+    case Xbug_1_s:
+    case Xbug_1_w:
+    case Xbug_2_n:
+    case Xbug_2_e:
+    case Xbug_2_s:
+    case Xbug_2_w:
       Cave[y][x-1] = Xboom_bug;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
 
-    case Xtank_n:
-    case Xtank_e:
-    case Xtank_s:
-    case Xtank_w:
-    case Xtank_gon:
-    case Xtank_goe:
-    case Xtank_gos:
-    case Xtank_gow:
+    case Xtank_1_n:
+    case Xtank_1_e:
+    case Xtank_1_s:
+    case Xtank_1_w:
+    case Xtank_2_n:
+    case Xtank_2_e:
+    case Xtank_2_s:
+    case Xtank_2_w:
       Cave[y][x-1] = Xboom_bomb;
-#if 0
-      play_element_sound(x, y, SAMPLE_boom, Zplayer);
-#endif
       break;
   }
 
@@ -408,17 +301,19 @@ static void kill_player(struct PLAYER *ply)
     case Xexit_1:
     case Xexit_2:
     case Xexit_3:
-      play_element_sound(x, y, SAMPLE_exit_leave, Xexit_1);
+      lev.exit_x = x;
+      lev.exit_y = y;
+      play_element_sound(x, y, SOUND_exit_leave, Xexit_1);
       break;
 
     default:
-      play_element_sound(x, y, SAMPLE_die, Zplayer);
+      play_element_sound(x, y, SOUND_die, Zplayer);
       break;
   }
 
   switch(Cave[y][x])
   {
-#if 1
+#if USE_CHANGED_ACID_STUFF
     case Xacid_1:
     case Xacid_2:
     case Xacid_3:
@@ -443,99 +338,69 @@ static void check_player(struct PLAYER *ply)
   int oldy = ply->y;
   int x = oldx;
   int y = oldy;
-  int anim = 0;
   int dx = 0, dy = 0;
 
-#if 0
-  printf("::: up == %d, down == %d, left == %d, right == %d, fire == %d [spin == %d, stick == %d]\n",
-        ply->joy_n, ply->joy_s, ply->joy_w, ply->joy_e, ply->joy_fire,
-        ply->joy_spin, ply->joy_stick);
-#endif
+  game_em.last_player_direction[ply->num] = MV_NONE;
 
-#if 1
   if (ply->joy_w)              /* west */
   {
     x--;
     dx = -1;
-    anim = 3;
   }
   else if (ply->joy_e)         /* east */
   {
     x++;
     dx = 1;
-    anim = 1;
   }
 
   if (ply->joy_n)              /* north */
   {
     y--;
     dy = -1;
-    anim = 0;
   }
   else if (ply->joy_s)         /* south */
   {
     y++;
     dy = 1;
-    anim = 2;
   }
 
-#else
-
-  if ((ply->joy_spin = !ply->joy_spin))
+  if (dx || dy)
   {
-    if (ply->joy_n)            /* north */
-    {
-      y--;
-      dy = -1;
-      anim = 0;
-    }
-    else if (ply->joy_e)       /* east */
-    {
-      x++;
-      dx = 1;
-      anim = 1;
-    }
-    else if (ply->joy_s)       /* south */
+    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 = 2;
-    }
-    else if (ply->joy_w)       /* west */
-    {
-      x--;
-      dx = -1;
-      anim = 3;
-    }
-  }
-  else
-  {
-    if (ply->joy_w)            /* west */
-    {
-      x--;
-      dx = -1;
-      anim = 3;
-    }
-    else if (ply->joy_s)       /* south */
-    {
-      y++;
-      dy = 1;
-      anim = 2;
-    }
-    else if (ply->joy_e)       /* east */
-    {
-      x++;
-      dx = 1;
-      anim = 1;
-    }
-    else if (ply->joy_n)       /* north */
-    {
-      y--;
-      dy = -1;
-      anim = 0;
+      ply->joy_n = ply->joy_e = ply->joy_s = ply->joy_w = 0;
+
+      return;
     }
   }
-#endif
 
   if (dx == 0 && dy == 0)
   {
@@ -546,7 +411,7 @@ static void check_player(struct PLAYER *ply)
       if (++ply->dynamite_cnt == 5 && ply->dynamite)
       {
        Cave[y][x] = Xdynamite_1;
-       play_element_sound(x, y, SAMPLE_dynamite, Xdynamite_1);
+       play_element_sound(x, y, SOUND_dynamite, Xdynamite_1);
        ply->dynamite--;
       }
     }
@@ -562,7 +427,7 @@ static void check_player(struct PLAYER *ply)
 
   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_snap == 0)              /* player wants to move */
@@ -594,7 +459,7 @@ static void check_player(struct PLAYER *ply)
   }
   else                                 /* player wants to snap */
   {
-    player_digfield(ply, dx, dy);
+    game_em.any_player_snapping = player_digfield(ply, dx, dy);
   }
 }
 
@@ -621,8 +486,8 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
     {
       /* fire is released */
       case Xblank:
-      case Yacid_splash_eB:
-      case Yacid_splash_wB:
+      case Xacid_splash_e:
+      case Xacid_splash_w:
        Cave[y][x] = Zplayer;
        Next[y][x] = Zplayer;
 #if 1
@@ -635,13 +500,13 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       case Xfake_acid_7:
       case Xfake_acid_8:
 #endif
-       play_element_sound(x, y, SAMPLE_blank, Xblank);
-       ply->anim = SPR_walk + anim;
+       play_element_sound(x, y, SOUND_blank, Xblank);
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
 
-#if 1
+#if USE_CHANGED_ACID_STUFF
       case Xacid_1:
       case Xacid_2:
       case Xacid_3:
@@ -650,32 +515,33 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       case Xacid_6:
       case Xacid_7:
       case Xacid_8:
-#endif
        if (Cave[y-1][x+1] == Xblank)
-         Cave[y-1][x+1] = Yacid_splash_eB;
+         Cave[y-1][x+1] = Xacid_splash_e;
        if (Cave[y-1][x-1] == Xblank)
-         Cave[y-1][x-1] = Yacid_splash_wB;
-       play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+         Cave[y-1][x-1] = Xacid_splash_w;
+       play_element_sound(x, y, SOUND_acid, Xacid_1);
+#endif
 
       case Xboom_android:
       case Xboom_1:
-      case Xbug_n:
-      case Xbug_e:
-      case Xbug_s:
-      case Xbug_w:
-      case Xbug_gon:
-      case Xbug_goe:
-      case Xbug_gos:
-      case Xbug_gow:
-      case Xtank_n:
-      case Xtank_e:
-      case Xtank_s:
-      case Xtank_w:
-      case Xtank_gon:
-      case Xtank_goe:
-      case Xtank_gos:
-      case Xtank_gow:
-#if 0
+      case Xbug_1_n:
+      case Xbug_1_e:
+      case Xbug_1_s:
+      case Xbug_1_w:
+      case Xbug_2_n:
+      case Xbug_2_e:
+      case Xbug_2_s:
+      case Xbug_2_w:
+      case Xtank_1_n:
+      case Xtank_1_e:
+      case Xtank_1_s:
+      case Xtank_1_w:
+      case Xtank_2_n:
+      case Xtank_2_e:
+      case Xtank_2_s:
+      case Xtank_2_w:
+
+#if !USE_CHANGED_ACID_STUFF
       case Xacid_1:
       case Xacid_2:
       case Xacid_3:
@@ -685,7 +551,7 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       case Xacid_7:
       case Xacid_8:
 #endif
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
@@ -694,8 +560,8 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
        Cave[y][x] = (dy ? (dy < 0 ? Ygrass_nB : Ygrass_sB) :
                      (dx > 0 ? Ygrass_eB : Ygrass_wB));
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_dirt, Xgrass);
-       ply->anim = SPR_walk + anim;
+       play_element_sound(x, y, SOUND_dirt, Xgrass);
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
@@ -704,115 +570,117 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
        Cave[y][x] = (dy ? (dy < 0 ? Ydirt_nB : Ydirt_sB) :
                      (dx > 0 ? Ydirt_eB : Ydirt_wB));
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_dirt, Xdirt);
-       ply->anim = SPR_walk + anim;
+       play_element_sound(x, y, SOUND_dirt, Xdirt);
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
 
       case Xdiamond:
       case Xdiamond_pause:
-       Cave[y][x] = Ydiamond_eat;
+       Cave[y][x] = Ydiamond_blank;
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.diamond_score;
        lev.required = lev.required < 3 ? 0 : lev.required - 3;
-       ply->anim = SPR_walk + anim;
+       game.snapshot.collected_item = TRUE;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
 
       case Xemerald:
       case Xemerald_pause:
-       Cave[y][x] = Yemerald_eat;
+       Cave[y][x] = Yemerald_blank;
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.emerald_score;
        lev.required = lev.required < 1 ? 0 : lev.required - 1;
-       ply->anim = SPR_walk + anim;
+       game.snapshot.collected_item = TRUE;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
 
       case Xdynamite:
-       Cave[y][x] = Ydynamite_eat;
+       Cave[y][x] = Ydynamite_blank;
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.dynamite_score;
        ply->dynamite = ply->dynamite > 9998 ? 9999 : ply->dynamite + 1;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
 
       case Xkey_1:
        ply->keys |= 0x01;
-       Cave[y][x] = Ykey_1_eat;
+       Cave[y][x] = Ykey_1_blank;
        goto key_walk;
 
       case Xkey_2:
        ply->keys |= 0x02;
-       Cave[y][x] = Ykey_2_eat;
+       Cave[y][x] = Ykey_2_blank;
        goto key_walk;
 
       case Xkey_3:
        ply->keys |= 0x04;
-       Cave[y][x] = Ykey_3_eat;
+       Cave[y][x] = Ykey_3_blank;
        goto key_walk;
 
       case Xkey_4:
        ply->keys |= 0x08;
-       Cave[y][x] = Ykey_4_eat;
+       Cave[y][x] = Ykey_4_blank;
        goto key_walk;
 
       case Xkey_5:
        ply->keys |= 0x10;
-       Cave[y][x] = Ykey_5_eat;
+       Cave[y][x] = Ykey_5_blank;
        goto key_walk;
 
       case Xkey_6:
        ply->keys |= 0x20;
-       Cave[y][x] = Ykey_6_eat;
+       Cave[y][x] = Ykey_6_blank;
        goto key_walk;
 
       case Xkey_7:
        ply->keys |= 0x40;
-       Cave[y][x] = Ykey_7_eat;
+       Cave[y][x] = Ykey_7_blank;
        goto key_walk;
 
       case Xkey_8:
        ply->keys |= 0x80;
-       Cave[y][x] = Ykey_8_eat;
+       Cave[y][x] = Ykey_8_blank;
        goto key_walk;
 
       key_walk:
 
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.key_score;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
 
       case Xlenses:
-       Cave[y][x] = Ylenses_eat;
+       Cave[y][x] = Ylenses_blank;
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.lenses_score;
        lev.lenses_cnt = lev.lenses_time;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
 
       case Xmagnify:
-       Cave[y][x] = Ymagnify_eat;
+       Cave[y][x] = Ymagnify_blank;
        Next[y][x] = Zplayer;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.magnify_score;
        lev.magnify_cnt = lev.magnify_time;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
@@ -832,15 +700,15 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
           case Xacid_7:
           case Xacid_8:
            if (Cave[y-1][x+dx+1] == Xblank)
-             Cave[y-1][x+dx+1] = Yacid_splash_eB;
+             Cave[y-1][x+dx+1] = Xacid_splash_e;
            if (Cave[y-1][x+dx-1] == Xblank)
-             Cave[y-1][x+dx-1] = Yacid_splash_wB;
-           play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+             Cave[y-1][x+dx-1] = Xacid_splash_w;
+           play_element_sound(x, y, SOUND_acid, Xacid_1);
            goto stone_walk;
 
           case Xblank:
-          case Yacid_splash_eB:
-          case Yacid_splash_wB:
+          case Xacid_splash_e:
+          case Xacid_splash_w:
            Cave[y][x+dx] = dx > 0 ? Ystone_e : Ystone_w;
            Next[y][x+dx] = Xstone_pause;
 
@@ -848,11 +716,11 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
 
            Cave[y][x] = dx > 0 ? Ystone_eB : Ystone_wB;
            Next[y][x] = Zplayer;
-           play_element_sound(x, y, SAMPLE_roll, Xstone);
+           play_element_sound(x, y, SOUND_roll, Xstone);
            ply->x = x;
        }
 
-       ply->anim = SPR_push + anim;
+       ply->anim = PLY_push_n + anim;
        break;
 
       case Xbomb:
@@ -870,15 +738,15 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
           case Xacid_7:
           case Xacid_8:
            if (Cave[y-1][x+dx+1] == Xblank)
-             Cave[y-1][x+dx+1] = Yacid_splash_eB;
+             Cave[y-1][x+dx+1] = Xacid_splash_e;
            if (Cave[y-1][x+dx-1] == Xblank)
-             Cave[y-1][x+dx-1] = Yacid_splash_wB;
-           play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+             Cave[y-1][x+dx-1] = Xacid_splash_w;
+           play_element_sound(x, y, SOUND_acid, Xacid_1);
            goto bomb_walk;
 
          case Xblank:
-          case Yacid_splash_eB:
-          case Yacid_splash_wB:
+          case Xacid_splash_e:
+          case Xacid_splash_w:
            Cave[y][x+dx] = dx > 0 ? Ybomb_e : Ybomb_w;
            Next[y][x+dx] = Xbomb_pause;
 
@@ -886,11 +754,11 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
 
            Cave[y][x] = dx > 0 ? Ybomb_eB : Ybomb_wB;
            Next[y][x] = Zplayer;
-           play_element_sound(x, y, SAMPLE_roll, Xbomb);
+           play_element_sound(x, y, SOUND_roll, Xbomb);
            ply->x = x;
        }
 
-       ply->anim = SPR_push + anim;
+       ply->anim = PLY_push_n + anim;
        break;
 
       case Xnut:
@@ -908,15 +776,15 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
           case Xacid_7:
           case Xacid_8:
            if (Cave[y-1][x+dx+1] == Xblank)
-             Cave[y-1][x+dx+1] = Yacid_splash_eB;
+             Cave[y-1][x+dx+1] = Xacid_splash_e;
            if (Cave[y-1][x+dx-1] == Xblank)
-             Cave[y-1][x+dx-1] = Yacid_splash_wB;
-           play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+             Cave[y-1][x+dx-1] = Xacid_splash_w;
+           play_element_sound(x, y, SOUND_acid, Xacid_1);
            goto nut_walk;
 
           case Xblank:
-          case Yacid_splash_eB:
-          case Yacid_splash_wB:
+          case Xacid_splash_e:
+          case Xacid_splash_w:
            Cave[y][x+dx] = dx > 0 ? Ynut_e : Ynut_w;
            Next[y][x+dx] = Xnut_pause;
 
@@ -924,11 +792,11 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
 
            Cave[y][x] = dx > 0 ? Ynut_eB : Ynut_wB;
            Next[y][x] = Zplayer;
-           play_element_sound(x, y, SAMPLE_roll, Xnut);
+           play_element_sound(x, y, SOUND_roll, Xnut);
            ply->x = x;
        }
 
-       ply->anim = SPR_push + anim;
+       ply->anim = PLY_push_n + anim;
        break;
 
       case Xspring:
@@ -939,11 +807,11 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
        {
           case Xalien:
           case Xalien_pause:
-           Cave[y][x] = dx > 0 ? Yspring_kill_eB : Yspring_kill_wB;
-           Cave[y][x+dx] = dx > 0 ? Yspring_kill_e : Yspring_kill_w;
+           Cave[y][x] = dx > 0 ? Yspring_alien_eB : Yspring_alien_wB;
+           Cave[y][x+dx] = dx > 0 ? Yspring_alien_e : Yspring_alien_w;
            Next[y][x] = Zplayer;
            Next[y][x+dx] = dx > 0 ? Xspring_e : Xspring_w;
-           play_element_sound(x, y, SAMPLE_slurp, Xalien);
+           play_element_sound(x, y, SOUND_slurp, Xalien);
            lev.score += lev.slurp_score;
            ply->x = x;
            break;
@@ -957,26 +825,26 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
           case Xacid_7:
           case Xacid_8:
            if (Cave[y-1][x+dx+1] == Xblank)
-             Cave[y-1][x+dx+1] = Yacid_splash_eB;
+             Cave[y-1][x+dx+1] = Xacid_splash_e;
            if (Cave[y-1][x+dx-1] == Xblank)
-             Cave[y-1][x+dx-1] = Yacid_splash_wB;
-           play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+             Cave[y-1][x+dx-1] = Xacid_splash_w;
+           play_element_sound(x, y, SOUND_acid, Xacid_1);
            goto spring_walk;
 
           case Xblank:
-          case Yacid_splash_eB:
-          case Yacid_splash_wB:
+          case Xacid_splash_e:
+          case Xacid_splash_w:
            Cave[y][x+dx] = dx > 0 ? Yspring_e : Yspring_w;
            Next[y][x+dx] = dx > 0 ? Xspring_e : Xspring_w;
 
          spring_walk:
            Cave[y][x] = dx > 0 ? Yspring_eB : Yspring_wB;
            Next[y][x] = Zplayer;
-           play_element_sound(x, y, SAMPLE_roll, Xspring);
+           play_element_sound(x, y, SOUND_roll, Xspring);
            ply->x = x;
        }
 
-       ply->anim = SPR_push + anim;
+       ply->anim = PLY_push_n + anim;
        break;
 
       case Xspring_pause:
@@ -990,7 +858,7 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
        if (dy)
          break;
 
-       ply->anim = SPR_push + anim;
+       ply->anim = PLY_push_n + anim;
        break;
 
       case Xballoon:
@@ -1005,15 +873,15 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
           case Xacid_7:
           case Xacid_8:
            if (Cave[y+dy-1][x+dx+1] == Xblank)
-             Cave[y+dy-1][x+dx+1] = Yacid_splash_eB;
+             Cave[y+dy-1][x+dx+1] = Xacid_splash_e;
            if (Cave[y+dy-1][x+dx-1] == Xblank)
-             Cave[y+dy-1][x+dx-1] = Yacid_splash_wB;
-           play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+             Cave[y+dy-1][x+dx-1] = Xacid_splash_w;
+           play_element_sound(x, y, SOUND_acid, Xacid_1);
            goto balloon_walk;
 
           case Xblank:
-          case Yacid_splash_eB:
-          case Yacid_splash_wB:
+          case Xacid_splash_e:
+          case Xacid_splash_w:
            Cave[y+dy][x+dx] = (dy ? (dy < 0 ? Yballoon_n : Yballoon_s) :
                                (dx > 0 ? Yballoon_e : Yballoon_w));
            Next[y+dy][x+dx] = Xballoon;
@@ -1022,12 +890,12 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
            Cave[y][x] = (dy ? (dy < 0 ? Yballoon_nB : Yballoon_sB) :
                          (dx > 0 ? Yballoon_eB : Yballoon_wB));
            Next[y][x] = Zplayer;
-           play_element_sound(x, y, SAMPLE_push, Xballoon);
+           play_element_sound(x, y, SOUND_push, Xballoon);
            ply->x = x;
            ply->y = y;
        }
 
-       ply->anim = SPR_push + anim;
+       ply->anim = PLY_push_n + anim;
        break;
 
       case Xandroid:
@@ -1050,15 +918,15 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
           case Xacid_7:
           case Xacid_8:
            if (Cave[y+dy-1][x+dx+1] == Xblank)
-             Cave[y+dy-1][x+dx+1] = Yacid_splash_eB;
+             Cave[y+dy-1][x+dx+1] = Xacid_splash_e;
            if (Cave[y+dy-1][x+dx-1] == Xblank)
-             Cave[y+dy-1][x+dx-1] = Yacid_splash_wB;
-           play_element_sound(x, y, SAMPLE_acid, Xacid_1);
+             Cave[y+dy-1][x+dx-1] = Xacid_splash_w;
+           play_element_sound(x, y, SOUND_acid, Xacid_1);
            goto android_walk;
 
           case Xblank:
-          case Yacid_splash_eB:
-          case Yacid_splash_wB:
+          case Xacid_splash_e:
+          case Xacid_splash_w:
            Cave[y+dy][x+dx] = (dy ? (dy < 0 ? Yandroid_n : Yandroid_s) :
                                (dx > 0 ? Yandroid_e : Yandroid_w));
            Next[y+dy][x+dx] = (dy ? (dy < 0 ? Xandroid_2_n : Xandroid_2_s) :
@@ -1068,12 +936,12 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
            Cave[y][x] = (dy ? (dy < 0 ? Yandroid_nB : Yandroid_sB) :
                          (dx > 0 ? Yandroid_eB : Yandroid_wB));
            Next[y][x] = Zplayer;
-           play_element_sound(x, y, SAMPLE_push, Xandroid);
+           play_element_sound(x, y, SOUND_push, Xandroid);
            ply->x = x;
            ply->y = y;
        }
 
-       ply->anim = SPR_push + anim;
+       ply->anim = PLY_push_n + anim;
        break;
 
       case Xdoor_1:
@@ -1138,14 +1006,14 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
 
        Cave[y+dy][x+dx] = Zplayer;
        Next[y+dy][x+dx] = Zplayer;
-       play_element_sound(x, y, SAMPLE_door, element);
-       ply->anim = SPR_walk + anim;
+       play_element_sound(x, y, SOUND_door, element);
+       ply->anim = PLY_walk_n + anim;
        ply->x = x + dx;
        ply->y = y + dy;
        break;
 
       case Xwheel:
-       play_element_sound(x, y, SAMPLE_press, element);
+       play_element_sound(x, y, SOUND_press, element);
        lev.wheel_cnt = lev.wheel_time;
        lev.wheel_x = x;
        lev.wheel_y = y;
@@ -1167,22 +1035,22 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
        lev.wind_direction = 3;
        goto wind_walk;
 
-      case Xwind_nesw:
+      case Xwind_any:
        lev.wind_direction = dy ? (dy < 0 ? 0 : 2) : (dx > 0 ? 1 : 3);
        goto wind_walk;
 
       wind_walk:
-       play_element_sound(x, y, SAMPLE_press, element);
+       play_element_sound(x, y, SOUND_press, element);
        lev.wind_cnt = lev.wind_time;
        break;
 
       case Xwind_stop:
-       play_element_sound(x, y, SAMPLE_press, element);
+       play_element_sound(x, y, SOUND_press, element);
        lev.wind_cnt = 0;
        break;
 
       case Xswitch:
-       play_element_sound(x, y, SAMPLE_press, element);
+       play_element_sound(x, y, SOUND_press, element);
        lev.ball_cnt = lev.ball_time;
        lev.ball_state = !lev.ball_state;
        break;
@@ -1190,8 +1058,8 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       case Xplant:
        Cave[y][x] = Yplant;
        Next[y][x] = Xplant;
-       play_element_sound(x, y, SAMPLE_blank, Xplant);
-       ply->anim = SPR_walk + anim;
+       play_element_sound(x, y, SOUND_blank, Xplant);
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
        break;
@@ -1199,17 +1067,12 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       case Xexit_1:
       case Xexit_2:
       case Xexit_3:
-       play_element_sound(x, y, SAMPLE_exit_leave, Xexit_1);
-
        lev.home--;
 
-#if 0
-       /* !!! CHECK SCORE CALCULATION !!! */
-       if (lev.home == 0 && lev.time_initial > 0)      /* game won */
-         lev.score += lev.time * lev.exit_score / 100;
-#endif
+       if (lev.home == 0)
+         game_em.level_solved = TRUE;
 
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        ply->x = x;
        ply->y = y;
 
@@ -1228,111 +1091,113 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       /* fire is pressed */
 
       case Xgrass:
-       Cave[y][x] = Ygrass_eat;
+       Cave[y][x] = Ygrass_blank;
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_dirt, element);
-       ply->anim = SPR_spray + anim;
+       play_element_sound(x, y, SOUND_dirt, element);
+       ply->anim = PLY_shoot_n + anim;
        break;
 
       case Xdirt:
-       Cave[y][x] = Ydirt_eat;
+       Cave[y][x] = Ydirt_blank;
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_dirt, element);
-       ply->anim = SPR_spray + anim;
+       play_element_sound(x, y, SOUND_dirt, element);
+       ply->anim = PLY_shoot_n + anim;
        break;
 
       case Xdiamond:
       case Xdiamond_pause:
-       Cave[y][x] = Ydiamond_eat;
+       Cave[y][x] = Ydiamond_blank;
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.diamond_score;
        lev.required = lev.required < 3 ? 0 : lev.required - 3;
-       ply->anim = SPR_walk + anim;
+       game.snapshot.collected_item = TRUE;
+       ply->anim = PLY_walk_n + anim;
        break;
 
       case Xemerald:
       case Xemerald_pause:
-       Cave[y][x] = Yemerald_eat;
+       Cave[y][x] = Yemerald_blank;
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.emerald_score;
        lev.required = lev.required < 1 ? 0 : lev.required - 1;
-       ply->anim = SPR_walk + anim;
+       game.snapshot.collected_item = TRUE;
+       ply->anim = PLY_walk_n + anim;
        break;
 
       case Xdynamite:
-       Cave[y][x] = Ydynamite_eat;
+       Cave[y][x] = Ydynamite_blank;
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.dynamite_score;
        ply->dynamite = ply->dynamite > 9998 ? 9999 : ply->dynamite + 1;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        break;
 
       case Xkey_1:
        ply->keys |= 0x01;
-       Cave[y][x] = Ykey_1_eat;
+       Cave[y][x] = Ykey_1_blank;
        goto key_shoot;
 
       case Xkey_2:
        ply->keys |= 0x02;
-       Cave[y][x] = Ykey_2_eat;
+       Cave[y][x] = Ykey_2_blank;
        goto key_shoot;
 
       case Xkey_3:
        ply->keys |= 0x04;
-       Cave[y][x] = Ykey_3_eat;
+       Cave[y][x] = Ykey_3_blank;
        goto key_shoot;
 
       case Xkey_4:
        ply->keys |= 0x08;
-       Cave[y][x] = Ykey_4_eat;
+       Cave[y][x] = Ykey_4_blank;
        goto key_shoot;
 
       case Xkey_5:
        ply->keys |= 0x10;
-       Cave[y][x] = Ykey_5_eat;
+       Cave[y][x] = Ykey_5_blank;
        goto key_shoot;
 
       case Xkey_6:
        ply->keys |= 0x20;
-       Cave[y][x] = Ykey_6_eat;
+       Cave[y][x] = Ykey_6_blank;
        goto key_shoot;
 
       case Xkey_7:
        ply->keys |= 0x40;
-       Cave[y][x] = Ykey_7_eat;
+       Cave[y][x] = Ykey_7_blank;
        goto key_shoot;
 
       case Xkey_8:
        ply->keys |= 0x80;
-       Cave[y][x] = Ykey_8_eat;
+       Cave[y][x] = Ykey_8_blank;
        goto key_shoot;
 
       key_shoot:
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.key_score;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        break;
 
       case Xlenses:
-       Cave[y][x] = Ylenses_eat;
+       Cave[y][x] = Ylenses_blank;
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.lenses_score;
        lev.lenses_cnt = lev.lenses_time;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        break;
 
       case Xmagnify:
-       Cave[y][x] = Ymagnify_eat;
+       Cave[y][x] = Ymagnify_blank;
        Next[y][x] = Xblank;
-       play_element_sound(x, y, SAMPLE_collect, element);
+       play_element_sound(x, y, SOUND_collect, element);
        lev.score += lev.magnify_score;
        lev.magnify_cnt = lev.magnify_time;
-       ply->anim = SPR_walk + anim;
+       ply->anim = PLY_walk_n + anim;
        break;
 
       default: