Add config for default shout state and for persisting shout state

Essentials/src/main/java/com/earth2me/essentials/ISettings.java

@@ -46,6 +46,10 @@ public interface ISettings extends IConf {
 
     char getChatQuestion();
 
+    boolean isShoutDefault();
+
+    boolean isPersistShout();
+
     boolean isChatQuestionEnabled();
 
     BigDecimal getCommandCost(IEssentialsCommand cmd);

Essentials/src/main/java/com/earth2me/essentials/Settings.java

@@ -226,6 +226,16 @@ public class Settings implements net.ess3.api.ISettings {
         return chatQuestion;
     }
 
+    @Override
+    public boolean isShoutDefault() {
+        return config.getBoolean("chat.shout-default", false);
+    }
+
+    @Override
+    public boolean isPersistShout() {
+        return config.getBoolean("chat.persist-shout", false);
+    }
+
     @Override
     public boolean isChatQuestionEnabled() {
         return config.getBoolean("chat.question-enabled", true);

Essentials/src/main/java/com/earth2me/essentials/User.java

@@ -90,7 +90,7 @@ public class User extends UserData implements Comparable<User>, IMessageRecipien
     private long lastNotifiedAboutMailsMs;
     private String lastHomeConfirmation;
     private long lastHomeConfirmationTimestamp;
-    private boolean toggleShout = false;
+    private Boolean toggleShout;
     private transient final List<String> signCopy = Lists.newArrayList("", "", "", "");
 
     public User(final Player base, final IEssentials ess) {
@@ -1202,10 +1202,16 @@ public class User extends UserData implements Comparable<User>, IMessageRecipien
     @Override
     public void setToggleShout(boolean toggleShout) {
         this.toggleShout = toggleShout;
+        if (ess.getSettings().isPersistShout()) {
+            setShouting(toggleShout);
+        }
     }
 
     @Override
     public boolean isToggleShout() {
-        return toggleShout;
+        if (ess.getSettings().isPersistShout()) {
+            return toggleShout = isShouting();
+        }
+        return toggleShout == null ? toggleShout = ess.getSettings().isShoutDefault() : toggleShout;
     }
 }

Essentials/src/main/java/com/earth2me/essentials/UserData.java

@@ -722,6 +722,18 @@ public abstract class UserData extends PlayerExtension implements IConf {
         config.save();
     }
 
+    public boolean isShouting() {
+        if (holder.shouting() == null) {
+            holder.shouting(ess.getSettings().isShoutDefault());
+        }
+        return holder.shouting();
+    }
+
+    public void setShouting(boolean shouting) {
+        holder.shouting(shouting);
+        config.save();
+    }
+
     public UUID getConfigUUID() {
         return config.getUuid();
     }

Essentials/src/main/java/com/earth2me/essentials/config/holders/UserConfigHolder.java

@@ -322,6 +322,16 @@ public class UserConfigHolder {
         this.baltopExempt = value;
     }
 
+    private @MonotonicNonNull Boolean shouting;
+
+    public Boolean shouting() {
+        return shouting;
+    }
+
+    public void shouting(final Boolean value) {
+        this.shouting = value;
+    }
+
     private @NonNull Timestamps timestamps = new Timestamps();
 
     public Timestamps timestamps() {

Essentials/src/main/resources/config.yml

@@ -921,6 +921,12 @@ chat:
   #  plots: "&dP&r"
   #  creative: "&eC&r"
 
+  # Whether players should be placed into shout mode by default.
+  shout-default: false
+
+  # Whether a player's shout mode should persist restarts.
+  persist-shout: false
+
   # Whether chat questions should be enabled or not.
   question-enabled: true