Starting portal rescue feature.

src/main/java/org/samo_lego/simpleauth/mixin/MixinPlayerManager.java

@@ -1,19 +1,39 @@
 package org.samo_lego.simpleauth.mixin;
 
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 import net.minecraft.network.ClientConnection;
 import net.minecraft.server.PlayerManager;
 import net.minecraft.server.network.ServerPlayerEntity;
+import org.samo_lego.simpleauth.SimpleAuth;
 import org.samo_lego.simpleauth.event.entity.player.PlayerJoinServerCallback;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
+import static net.minecraft.block.NetherPortalBlock.AXIS;
+import static net.minecraft.util.math.Direction.Axis.Z;
+
 @Mixin(PlayerManager.class)
 public abstract class MixinPlayerManager {
 
     @Inject(method = "onPlayerConnect", at = @At("RETURN"))
-    private void onPlayerConnect(ClientConnection clientConnection_1, ServerPlayerEntity serverPlayerEntity_1, CallbackInfo ci) {
+    private void onPlayerConnect(ClientConnection clientConnection, ServerPlayerEntity serverPlayerEntity, CallbackInfo ci) {
-        PlayerJoinServerCallback.EVENT.invoker().onPlayerJoin(serverPlayerEntity_1);
+        PlayerJoinServerCallback.EVENT.invoker().onPlayerJoin(serverPlayerEntity);
+        if(SimpleAuth.config.main.tryPortalRescue && serverPlayerEntity.getBlockState().getBlock().equals(Blocks.NETHER_PORTAL)) { //((MixinEntity) serverPlayerEntity).inNetherPortal()
+            // Tries to rescue player from nether portal
+            // Teleport - serverPlayerEntity.getBlockState().isOpaque();
+            BlockState portalState = serverPlayerEntity.getBlockState();
+            if(portalState.get(AXIS) == Z) {
+                // Player should be put to northern or southern block
+                System.out.println("(N/S is ok) Position %s" + serverPlayerEntity.getBlockPos().toString());
+            }
+            else {
+                // Player should be put to eastern or western block
+                System.out.println("(W/E is ok) Position %s" + serverPlayerEntity.getBlockPos().toString());
+            }
+
+        }
     }
 }

src/main/java/org/samo_lego/simpleauth/utils/AuthConfig.java

@@ -64,6 +64,8 @@ public class AuthConfig {
         Password will be hashed and saved.
          */
         public String globalPassword = null;
+        // Tries to rescue players if they are stuck inside a portal on logging in
+        public boolean tryPortalRescue = true;
     }
     public static class LangConfig {
         public String enterPassword = "§6You need to enter your password!";