X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Fsynchro_1.c;h=5f0929875b67b59ca711d4c89839cfd2da4eec6d;hb=efbd589db2977f140135f247cd4aacfe6c546410;hp=0b3710e1c55394f9f1e80ff109f01f513b737308;hpb=88c9b68c44a16e7df62557b63cc7e86731e028c9;p=rocksndiamonds.git

diff --git a/src/game_em/synchro_1.c b/src/game_em/synchro_1.c
index 0b3710e1..5f092987 100644
--- a/src/game_em/synchro_1.c
+++ b/src/game_em/synchro_1.c
@@ -5,12 +5,17 @@
  * 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"
 
 
+#if 0
+extern int centered_player_nr;
+#endif
+
+#define USE_CHANGED_ACID_STUFF		1
+
+extern boolean checkIfAllPlayersFitToScreen();
+
 static void check_player(struct PLAYER *);
 static void kill_player(struct PLAYER *);
 static boolean player_digfield(struct PLAYER *, int, int);
@@ -23,6 +28,8 @@ void synchro_1(void)
   int start_check_nr;
   int i;
 
+  game_em.any_player_moving = FALSE;
+
   /* must test for death and actually kill separately */
 
   for (i = 0; i < MAX_PLAYERS; i++)
@@ -142,8 +149,8 @@ void synchro_1(void)
 
 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 0
   printf("::: %d: %d, %d\n", ply->num, x, y);
@@ -272,8 +279,8 @@ static boolean player_killed(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;
 
@@ -416,7 +423,7 @@ static void kill_player(struct PLAYER *ply)
 
   switch(Cave[y][x])
   {
-#if 1
+#if USE_CHANGED_ACID_STUFF
     case Xacid_1:
     case Xacid_2:
     case Xacid_3:
@@ -437,13 +444,15 @@ static void kill_player(struct PLAYER *ply)
 
 static void check_player(struct PLAYER *ply)
 {
-  unsigned int oldx = ply->x;
-  unsigned int oldy = ply->y;
-  register unsigned int x = oldx;
-  register unsigned int y = oldy;
-  unsigned int anim = 0;
+  int oldx = ply->x;
+  int oldy = ply->y;
+  int x = oldx;
+  int y = oldy;
+  int anim = 0;
   int dx = 0, dy = 0;
 
+  game_em.last_player_direction[ply->num] = MV_NONE;
+
 #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,
@@ -535,6 +544,44 @@ static void check_player(struct PLAYER *ply)
   }
 #endif
 
+  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)
+    {
+      ply->joy_n = ply->joy_e = ply->joy_s = ply->joy_w = 0;
+
+      return;
+    }
+  }
+
   if (dx == 0 && dy == 0)
   {
     ply->joy_stick = 0;
@@ -560,7 +607,7 @@ 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 */
@@ -584,6 +631,10 @@ static void check_player(struct PLAYER *ply)
 	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 */
@@ -595,10 +646,10 @@ static void check_player(struct PLAYER *ply)
 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);
-  unsigned int oldx = ply->x;
-  unsigned int oldy = ply->y;
-  register unsigned int x = oldx + dx;
-  register unsigned int y = oldy + dy;
+  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 */
@@ -635,7 +686,7 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
 	ply->y = y;
 	break;
 
-#if 1
+#if USE_CHANGED_ACID_STUFF
       case Xacid_1:
       case Xacid_2:
       case Xacid_3:
@@ -644,12 +695,12 @@ 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;
 	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:
@@ -669,7 +720,8 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       case Xtank_goe:
       case Xtank_gos:
       case Xtank_gow:
-#if 0
+
+#if !USE_CHANGED_ACID_STUFF
       case Xacid_1:
       case Xacid_2:
       case Xacid_3: