Add pvpAutoPause rule (#8249)

* Update Rules.java

* Update NetServer.java

core/src/mindustry/core/NetServer.java

@@ -869,7 +869,7 @@ public class NetServer implements ApplicationListener{
         }
 
         if(state.isGame() && net.server()){
-            if(state.rules.pvp){
+            if(state.rules.pvp && state.rules.pvpAutoPause){
                 boolean waiting = isWaitingForPlayers(), paused = state.isPaused();
                 if(waiting != paused){
                     if(waiting){
@@ -1003,7 +1003,7 @@ public class NetServer implements ApplicationListener{
         player.con.snapshotsSent++;
     }
 
-    String fixName(String name){
+    public String fixName(String name){
         name = name.trim().replace("\n", "").replace("\t", "");
         if(name.equals("[") || name.equals("]")){
             return "";
@@ -1027,7 +1027,7 @@ public class NetServer implements ApplicationListener{
         return result.toString();
     }
 
-    static String checkColor(String str){
+    public String checkColor(String str){
         for(int i = 1; i < str.length(); i++){
             if(str.charAt(i) == ']'){
                 String color = str.substring(1, i);

core/src/mindustry/game/Rules.java

@@ -31,6 +31,8 @@ public class Rules{
     public boolean waves;
     /** Whether the game objective is PvP. Note that this enables automatic hosting. */
     public boolean pvp;
+    /** Whether is waiting for players enabled in PvP. */
+    public boolean pvpAutoPause = true;
     /** Whether to pause the wave timer until all enemies are destroyed. */
     public boolean waitEnemies = false;
     /** Determines if gamemode is attack mode. */