Move change of debug file to before game load

Loading a game from -lgf is done before TwoMachinesEvent is called,
but logically belongs to the game. So the code to switch to the new
debug file for the game is moved to NextMatchGame now.

diff --git a/backend.c b/backend.c
index d08aea0..eee690b 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -10072,6 +10072,18 @@ NextMatchGame ()
 {   // performs game initialization that does not invoke engines, and then tries to start the game
     int res, firstWhite, swapColors = 0;
     if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
+    if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
+       char buf[MSG_SIZ];
+       snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
+       if(strcmp(buf, currentDebugFile)) { // name has changed
+           FILE *f = fopen(buf, "w");
+           if(f) { // if opening the new file failed, just keep using the old one
+               ASSIGN(currentDebugFile, buf);
+               fclose(debugFP);
+               debugFP = f;
+           }
+       }
+    }
     firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
     firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
     first.twoMachinesColor =  firstWhite ? "white\n" : "black\n";   // perform actual color assignement
@@ -13385,17 +13397,6 @@ TwoMachinesEvent P((void))
        break;
     }
 
-    if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
-       snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
-       if(strcmp(buf, currentDebugFile)) { // name has changed
-           FILE *f = fopen(buf, "w");
-           if(f) { // if opening the new file failed, just keep using the old one
-               ASSIGN(currentDebugFile, buf);
-               fclose(debugFP);
-               debugFP = f;
-           }
-       }
-    }
 //    forwardMostMove = currentMove;
     TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...