From 7600b7d74df219d2a0956e03cea3af49226903c2 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Mon, 23 Nov 1998 02:02:45 +0100
Subject: [PATCH] rnd-19981123-3

---
 src/files.c | 23 ++++++-----------------
 src/game.c  | 38 ++++++++++++++++++++++++++++++++------
 src/main.c  |  2 +-
 src/main.h  |  5 +++--
 src/tape.c  |  4 ++++
 5 files changed, 46 insertions(+), 26 deletions(-)

diff --git a/src/files.c b/src/files.c
index 80a5e7cb..81838cf4 100644
--- a/src/files.c
+++ b/src/files.c
@@ -403,7 +403,6 @@ void LoadTape(int level_nr)
   char cookie[MAX_LINE_LEN];
   char chunk[CHUNK_ID_LEN + 1];
   FILE *file;
-  boolean player_participates[MAX_PLAYERS];
   int num_participating_players;
   int file_version = FILE_VERSION_1_2;	/* last version of tape files */
   int chunk_length;
@@ -464,11 +463,11 @@ void LoadTape(int level_nr)
     num_participating_players = 0;
     for(i=0; i<MAX_PLAYERS; i++)
     {
-      player_participates[i] = FALSE;
+      tape.player_participates[i] = FALSE;
 
       if (store_participating_players & (1 << i))
       {
-	player_participates[i] = TRUE;
+	tape.player_participates[i] = TRUE;
 	num_participating_players++;
       }
     }
@@ -511,7 +510,7 @@ void LoadTape(int level_nr)
       if (file_version == FILE_VERSION_1_0 && j > 0)
 	continue;
 
-      if (player_participates[j])
+      if (tape.player_participates[j])
 	tape.pos[i].action[j] = fgetc(file);
     }
 
@@ -559,11 +558,10 @@ void LoadTape(int level_nr)
 
 void SaveTape(int level_nr)
 {
-  int i, j;
+  int i;
   char filename[MAX_FILENAME_LEN];
   FILE *file;
   boolean new_tape = TRUE;
-  boolean player_participates[MAX_PLAYERS];
   byte store_participating_players;
   int num_participating_players;
   int chunk_length;
@@ -584,21 +582,12 @@ void SaveTape(int level_nr)
       return;
   }
 
-  for(i=0; i<MAX_PLAYERS; i++)
-    player_participates[i] = FALSE;
-
-  /* check which players participate in this tape recording */
-  for(i=0; i<tape.length; i++)
-    for(j=0; j<MAX_PLAYERS; j++)
-      if (tape.pos[i].action[j] != 0)
-	player_participates[j] = TRUE;
-
   /* count number of players and set corresponding bits for compact storage */
   store_participating_players = 0;
   num_participating_players = 0;
   for(i=0; i<MAX_PLAYERS; i++)
   {
-    if (player_participates[i])
+    if (tape.player_participates[i])
     {
       num_participating_players++;
       store_participating_players |= (1 << i);
@@ -656,7 +645,7 @@ void SaveTape(int level_nr)
     int j;
 
     for(j=0; j<MAX_PLAYERS; j++)
-      if (player_participates[j])
+      if (tape.player_participates[j])
 	fputc(tape.pos[i].action[j], file);
 
     fputc(tape.pos[i].delay, file);
diff --git a/src/game.c b/src/game.c
index e9f9d041..2cb21858 100644
--- a/src/game.c
+++ b/src/game.c
@@ -427,20 +427,38 @@ void InitGame()
     }
   }
 
-  /* when in single player mode, eliminate all but the first active player */
-  if (!options.network && !setup.team_mode)
+  if (tape.playing)
+  {
+    /* when playing a tape, eliminate all players who do not participate */
+
+    for (i=0; i<MAX_PLAYERS; i++)
+    {
+      if (stored_player[i].active && !tape.player_participates[i])
+      {
+	struct PlayerInfo *player = &stored_player[i];
+	int jx = player->jx, jy = player->jy;
+
+	player->active = FALSE;
+	StorePlayer[jx][jy] = 0;
+	Feld[jx][jy] = EL_LEERRAUM;
+      }
+    }
+  }
+  else if (!options.network && !setup.team_mode)	/* && !tape.playing */
   {
+    /* when in single player mode, eliminate all but the first active player */
+
     for (i=0; i<MAX_PLAYERS; i++)
     {
       if (stored_player[i].active)
       {
 	for (j=i+1; j<MAX_PLAYERS; j++)
 	{
-	  struct PlayerInfo *player = &stored_player[j];
-	  int jx = player->jx, jy = player->jy;
-
-	  if (player->active)
+	  if (stored_player[j].active)
 	  {
+	    struct PlayerInfo *player = &stored_player[j];
+	    int jx = player->jx, jy = player->jy;
+
 	    player->active = FALSE;
 	    StorePlayer[jx][jy] = 0;
 	    Feld[jx][jy] = EL_LEERRAUM;
@@ -450,6 +468,14 @@ void InitGame()
     }
   }
 
+  /* when recording the game, store which players take part in the game */
+  if (tape.recording)
+  {
+    for (i=0; i<MAX_PLAYERS; i++)
+      if (stored_player[i].active)
+	tape.player_participates[i] = TRUE;
+  }
+
   if (options.verbose)
   {
     for (i=0; i<MAX_PLAYERS; i++)
diff --git a/src/main.c b/src/main.c
index 47c91008..462be9b4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -105,7 +105,7 @@ struct LevelInfo	level;
 struct PlayerInfo	stored_player[MAX_PLAYERS], *local_player = NULL;
 struct HiScore		highscore[MAX_SCORE_ENTRIES];
 struct SoundInfo	Sound[NUM_SOUNDS];
-struct RecordingInfo	tape;
+struct TapeInfo		tape;
 struct OptionInfo	options;
 struct SetupInfo	setup;
 struct SetupFileList	*setup_list = NULL;
diff --git a/src/main.h b/src/main.h
index 7a748454..47bc20fa 100644
--- a/src/main.h
+++ b/src/main.h
@@ -345,7 +345,7 @@ struct LevelDirInfo
   boolean readonly;
 };
 
-struct RecordingInfo
+struct TapeInfo
 {
   int level_nr;
   unsigned long random_seed;
@@ -358,6 +358,7 @@ struct RecordingInfo
   boolean recording, playing, pausing;
   boolean fast_forward;
   boolean changed;
+  boolean player_participates[MAX_PLAYERS];
   struct
   {
     byte action[MAX_PLAYERS];
@@ -438,7 +439,7 @@ extern struct LevelDirInfo	leveldir[];
 extern struct LevelInfo		level;
 extern struct PlayerInfo	stored_player[], *local_player;
 extern struct HiScore		highscore[];
-extern struct RecordingInfo	tape;
+extern struct TapeInfo		tape;
 extern struct SoundInfo		Sound[];
 extern struct JoystickInfo	joystick[];
 extern struct OptionInfo	options;
diff --git a/src/tape.c b/src/tape.c
index 2c600226..2cc0b399 100644
--- a/src/tape.c
+++ b/src/tape.c
@@ -20,6 +20,7 @@ void TapeStartRecording()
 {
   time_t zeit1 = time(NULL);
   struct tm *zeit2 = localtime(&zeit1);
+  int i;
 
   if (!TAPE_IS_STOPPED(tape))
     TapeStop();
@@ -35,6 +36,9 @@ void TapeStartRecording()
   tape.date = 10000*(zeit2->tm_year%100) + 100*zeit2->tm_mon + zeit2->tm_mday;
   tape.random_seed = InitRND(NEW_RANDOMIZE);
 
+  for(i=0; i<MAX_PLAYERS; i++)
+    tape.player_participates[i] = FALSE;
+
   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
-- 
2.34.1