improve launch script to actually wait for the server

launch.sh

@@ -2,6 +2,7 @@
 
 export _JAVA_OPTIONS=
 SCRIPT_DIR=$(cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P)
+FIRST_RUN=1
 
 lsof -i:43595
 
@@ -10,21 +11,32 @@ if [ $? -ne 1 ]; then
   exit
 fi
 
+if [ -f "$SCRIPT_DIR/game/data/eco/grandexchange.db" ]; then
+  FIRST_RUN=0
+else
+  echo "This is first run of the single-player release in this location."
+  echo "Please allow some time (30-60s) for initial data structure creation before asking for support."
+
+  sleep 3
+fi
+
 cd $SCRIPT_DIR/game
 java -jar -Xmx2G -Xms2G -jar server.jar &
 SERVER_PID=$!
 
-lsof -i:43595
-while [ $? -eq 1 ]; do
-  lsof -i:43595
-  echo "Still waiting for the server to start..."
-  sleep 2
+lsof -i:43595 > /dev/null
+while [ $? -eq "1" ]; do
+  if [ $FIRST_RUN -ne "1" ]; then
+    echo "Still waiting for the server to start..."
+    sleep 2
+  fi
+
+  lsof -i:43595 > /dev/null
 done;
 
-java -Xmx1G -Xms1G -jar client.jar &
-CLIENT_PID=$!
+sleep 2
+java -Xmx1G -Xms1G -jar client.jar
 
-wait $CLIENT_PID
 kill $SERVER_PID
 exit