Ignore ICS game starts when already in game

The advance switching of the variant on game-start messages was
disruptive for users with gin=1, which also sends such messages
for other games than your own. For now fixed by only reacting on
them when idle (detected by invalid game number).

diff --git a/backend.c b/backend.c
index ca3e342..4d4b6fa 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -3863,6 +3863,7 @@ read_from_ics(isr, closure, data, count, error)
                    strncmp(why, "Continuing ", 11) == 0) {
                    gs_gamenum = gamenum;
                    safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
+                   if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
                    VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
 #if ZIPPY
                    if (appData.zippyPlay) {