Updates depreciated sign API calls

src/main/java/net/knarcraft/stargate/container/SignData.java

@@ -4,6 +4,7 @@ import net.knarcraft.knarlib.util.ColorHelper;
 import net.md_5.bungee.api.ChatColor;
 import org.bukkit.DyeColor;
 import org.bukkit.block.Sign;
+import org.bukkit.block.sign.Side;
 
 /**
  * A class that keeps track of the sign colors for a given sign
@@ -26,7 +27,7 @@ public class SignData {
         this.sign = sign;
         this.mainSignColor = mainSignColor;
         this.highlightSignColor = highlightSignColor;
-        this.dyedColor = sign.getColor();
+        this.dyedColor = sign.getSide(Side.FRONT).getColor();
     }
 
     /**

src/main/java/net/knarcraft/stargate/portal/PortalHandler.java

@@ -172,7 +172,7 @@ public class PortalHandler {
                     portalLocation.setButtonVector(controlVector);
                 }
             }
-            
+
             //If our gate has been found, look no further
             if (gate != null) {
                 break;

src/main/java/net/knarcraft/stargate/portal/PortalSignDrawer.java

@@ -11,6 +11,7 @@ import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
 import org.bukkit.block.Sign;
+import org.bukkit.block.sign.Side;
 
 import java.util.Map;
 
@@ -175,7 +176,7 @@ public class PortalSignDrawer {
      */
     private void clearSign(Sign sign) {
         for (int index = 0; index <= 3; index++) {
-            sign.setLine(index, "");
+            sign.getSide(Side.FRONT).setLine(index, "");
         }
     }
 
@@ -188,7 +189,7 @@ public class PortalSignDrawer {
             return;
         }
         clearSign(sign);
-        sign.setLine(0, translateAllColorCodes(portal.getName()));
+        sign.getSide(Side.FRONT).setLine(0, translateAllColorCodes(portal.getName()));
         sign.update();
     }
 
@@ -256,7 +257,7 @@ public class PortalSignDrawer {
      */
     public void setLine(SignData signData, int index, String text) {
         ChatColor mainColor = signData.getMainSignColor();
-        signData.getSign().setLine(index, mainColor + text);
+        signData.getSign().getSide(Side.FRONT).setLine(index, mainColor + text);
     }
 
     /**
@@ -357,7 +358,7 @@ public class PortalSignDrawer {
         if (!(blockState instanceof Sign sign)) {
             return;
         }
-        sign.setLine(3, errorColor + Stargate.getString("signInvalidGate"));
+        sign.getSide(Side.FRONT).setLine(3, errorColor + Stargate.getString("signInvalidGate"));
         sign.update();
 
         Stargate.logInfo(String.format("Gate layout on line %d does not exist [%s]", lineIndex, gateName));