From 99261bc36a147246e39cdc6d5ce9b098257c4d1b Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Tue, 30 Oct 2018 20:55:42 +0100
Subject: [PATCH] added flags for "level solved" and "game over" to EM engine

---
 src/game.c              | 14 ++++++--------
 src/game_em/convert.c   |  3 +++
 src/game_em/export.h    |  3 +++
 src/game_em/synchro_1.c |  3 +++
 src/game_em/synchro_2.c |  2 ++
 5 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/src/game.c b/src/game.c
index a780952b..12397d5c 100644
--- a/src/game.c
+++ b/src/game.c
@@ -11117,19 +11117,17 @@ static void CheckLevelSolved(void)
 {
   if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
   {
-    if (level.native_em_level->lev->home == 0)	// all players at home
+    if (game_em.level_solved &&
+	!game_em.game_over)				// game won
     {
       PlayerWins(local_player);
 
-      AllPlayersGone = TRUE;
+      game_em.game_over = TRUE;
 
-      level.native_em_level->lev->home = -1;
+      AllPlayersGone = TRUE;
     }
 
-    if (level.native_em_level->ply[0]->alive == 0 &&
-	level.native_em_level->ply[1]->alive == 0 &&
-	level.native_em_level->ply[2]->alive == 0 &&
-	level.native_em_level->ply[3]->alive == 0)	// all dead
+    if (game_em.game_over)				// game lost
       AllPlayersGone = TRUE;
   }
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
@@ -15041,7 +15039,7 @@ boolean checkGameFailed(void)
     return FALSE;
 
   if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
-    return (level.native_em_level->lev->home > 0);
+    return (game_em.game_over && !game_em.level_solved);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     return (game_sp.game_over && !game_sp.level_solved);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
diff --git a/src/game_em/convert.c b/src/game_em/convert.c
index c5f563b2..d61e33ee 100644
--- a/src/game_em/convert.c
+++ b/src/game_em/convert.c
@@ -1115,6 +1115,9 @@ void prepare_em_level(void)
   // - game_em.use_single_button (default: TRUE)
   // - game_em.use_snap_key_bug (default: FALSE)
 
+  game_em.level_solved = FALSE;
+  game_em.game_over = FALSE;
+
   game_em.any_player_moving = FALSE;
   game_em.any_player_snapping = FALSE;
 
diff --git a/src/game_em/export.h b/src/game_em/export.h
index 90957d69..45cbd250 100644
--- a/src/game_em/export.h
+++ b/src/game_em/export.h
@@ -664,6 +664,9 @@ struct GlobalInfo_EM
 
 struct GameInfo_EM
 {
+  boolean level_solved;
+  boolean game_over;
+
   boolean any_player_moving;
   boolean any_player_snapping;
 
diff --git a/src/game_em/synchro_1.c b/src/game_em/synchro_1.c
index cea29bb2..b390ad91 100644
--- a/src/game_em/synchro_1.c
+++ b/src/game_em/synchro_1.c
@@ -1069,6 +1069,9 @@ static boolean player_digfield(struct PLAYER *ply, int dx, int dy)
       case Xexit_3:
 	lev.home--;
 
+	if (lev.home == 0)
+	  game_em.level_solved = TRUE;
+
 	ply->anim = SPR_walk + anim;
 	ply->x = x;
 	ply->y = y;
diff --git a/src/game_em/synchro_2.c b/src/game_em/synchro_2.c
index 8fc7ada1..70f6797c 100644
--- a/src/game_em/synchro_2.c
+++ b/src/game_em/synchro_2.c
@@ -4867,6 +4867,8 @@ void synchro_2(void)
 
   if (ply[0].alive || ply[1].alive || ply[2].alive || ply[3].alive)
     lev.score += score;		/* only add a score if someone is alive */
+  else
+    game_em.game_over = TRUE;
 
   RandomEM = random;
 
-- 
2.34.1