Admin player team switch + more trace info

core/src/mindustry/io/TypeIO.java

@@ -835,13 +835,40 @@ public class TypeIO{
         write.b(trace.mobile ? (byte)1 : 0);
         write.i(trace.timesJoined);
         write.i(trace.timesKicked);
+        //there is a cap to prevent TCP packet size overrun
+        writeStrings(write, trace.ips, 12);
+        writeStrings(write, trace.names, 12);
     }
 
     public static TraceInfo readTraceInfo(Reads read){
-        return new TraceInfo(readString(read), readString(read), read.b() == 1, read.b() == 1, read.i(), read.i());
+        return new TraceInfo(readString(read), readString(read), read.b() == 1, read.b() == 1, read.i(), read.i(), readStrings(read), readStrings(read));
     }
 
-    public static void writeStrings(Writes write, String[][] strings){
+    public static void writeStrings(Writes write, String[] strings, int maxLen){
+        write.b(Math.min(strings.length, maxLen));
+        for(int i = 0; i < Math.min(strings.length, maxLen); i++){
+            writeString(write, strings[i]);
+        }
+    }
+
+    public static void writeStrings(Writes write, String[] strings){
+        write.b(strings.length);
+        for(String s : strings){
+            writeString(write, s);
+        }
+    }
+
+    public static String[] readStrings(Reads read){
+        int length = read.ub();
+        var result = new String[length];
+        for(int j = 0; j < length; j++){
+            result[j] = readString(read);
+        }
+        return result;
+    }
+
+
+    public static void writeStringArray(Writes write, String[][] strings){
         write.b(strings.length);
         for(String[] string : strings){
             write.b(string.length);
@@ -851,7 +878,7 @@ public class TypeIO{
         }
     }
 
-    public static String[][] readStrings(Reads read){
+    public static String[][] readStringArray(Reads read){
         int rows = read.ub();
 
         String[][] strings = new String[rows][];