fix Forestry mail offline uuid issues

dependencies.gradle

@@ -23,4 +23,5 @@
  */
 dependencies {
     api("com.github.GTNewHorizons:GTNHLib:0.2.3:dev")
+    implementation("com.github.GTNewHorizons:ForestryMC:4.8.5:dev")
 }

gradle.properties

@@ -57,7 +57,7 @@ apiPackage =
 accessTransformersFile = pilzmcsammelsorium_at.cfg
 
 # Provides setup for Mixins if enabled. If you don't know what mixins are: Keep it disabled!
-usesMixins = false
+usesMixins = true
 # Adds some debug arguments like verbose output and export
 usesMixinDebug = false
 # Specify the location of your implementation of IMixinConfigPlugin. Leave it empty otherwise.

src/main/java/de/pilz/sammelsorium/LateMixinPlugin.java

@@ -0,0 +1,31 @@
+package de.pilz.sammelsorium;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+import com.gtnewhorizon.gtnhmixins.ILateMixinLoader;
+import com.gtnewhorizon.gtnhmixins.LateMixin;
+
+@LateMixin
+public class LateMixinPlugin implements ILateMixinLoader {
+
+    @Override
+    public String getMixinConfig() {
+        return "mixins.pilzmcsammelsorium.late.json";
+    }
+
+    @Override
+    public List<String> getMixins(Set<String> loadedMods) {
+        List<String> list = new ArrayList<String>();
+
+        // Forestry
+        if (loadedMods.contains("Forestry")) {
+            // Offline UUID Fix
+            list.add("MixinForestryPlayerUtils");
+            list.add("MixinForestryPostRegistry");
+        }
+
+        return list;
+    }
+}

src/main/java/de/pilz/sammelsorium/configuration/ModIntegrationConfigs.java

@@ -16,4 +16,9 @@ public class ModIntegrationConfigs {
     @Config.DefaultBoolean(true)
     @Config.RequiresMcRestart
     public static boolean registerModOres;
+
+    @Config.Comment("Overwrites Forestrys method to get the players user profile and always return a offline UUID. Only enable this, if your server runs in offline mode.")
+    @Config.DefaultBoolean(false)
+    @Config.RequiresMcRestart
+    public static boolean forestryMailFixOfflineUUDID;
 }

src/main/java/de/pilz/sammelsorium/mixins/MixinForestryPlayerUtils.java

@@ -0,0 +1,49 @@
+package de.pilz.sammelsorium.mixins;
+
+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.CallbackInfoReturnable;
+
+import com.mojang.authlib.GameProfile;
+
+import de.pilz.sammelsorium.configuration.ModIntegrationConfigs;
+import forestry.core.utils.PlayerUtil;
+
+@Mixin(PlayerUtil.class)
+public abstract class MixinForestryPlayerUtils {
+
+    // @Inject(
+    // method = "getRecipient(Ljava/lang/String;Lforestry/api/mail/EnumAddressee;)Lforestry/api/mail/IMailAddress;",
+    // at = @At("HEAD"),
+    // cancellable = true,
+    // remap = false)
+    // private static void pilzmcsammelsorium$fixOfflineUUID(String recipientName, EnumAddressee type,
+    // CallbackInfoReturnable<IMailAddress> callback) {
+    // if (ModIntegrationConfigs.forestryMailFixOfflineUUDID && type == EnumAddressee.PLAYER) {
+    // UUID uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + recipientName).getBytes(Charsets.UTF_8));
+    // GameProfile gameProfile = new GameProfile(uuid, recipientName);
+    // IMailAddress address = PostManager.postRegistry.getMailAddress(gameProfile);
+    // callback.setReturnValue(address);
+    // callback.cancel();
+    // }
+    // }
+
+    @Inject(
+        method = "isSameGameProfile(Lcom/mojang/authlib/GameProfile;Lcom/mojang/authlib/GameProfile;)Z",
+        at = @At("RETURN"),
+        cancellable = true,
+        remap = false)
+    private static void pilzmcsammelsorium$fixOfflineUUID(GameProfile player1, GameProfile player2,
+        CallbackInfoReturnable<Boolean> callback) {
+        if (ModIntegrationConfigs.forestryMailFixOfflineUUDID && !callback.getReturnValueZ()
+            && player1 != null
+            && player2 != null) {
+            String name1 = player1.getName();
+            String name2 = player2.getName();
+            if (name1 != null && name2 != null && !name1.equals("") && !name2.equals("") && name1.equals(name2)) {
+                callback.setReturnValue(true);
+            }
+        }
+    }
+}

src/main/java/de/pilz/sammelsorium/mixins/MixinForestryPostRegistry.java

@@ -0,0 +1,28 @@
+package de.pilz.sammelsorium.mixins;
+
+import java.util.Locale;
+
+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.CallbackInfoReturnable;
+
+import de.pilz.sammelsorium.configuration.ModIntegrationConfigs;
+import forestry.api.mail.EnumAddressee;
+import forestry.api.mail.IMailAddress;
+import forestry.mail.MailAddress;
+
+@Mixin(MailAddress.class)
+public abstract class MixinForestryPostRegistry implements IMailAddress {
+
+    @Inject(method = "toString()Ljava/lang/String;", at = @At("HEAD"), cancellable = true, remap = false)
+    public void pilzmcsammelsorium$fixOfflineUUID(CallbackInfoReturnable<String> callback) {
+        if (ModIntegrationConfigs.forestryMailFixOfflineUUDID && isPlayer()) {
+            MailAddress $this = (MailAddress) (Object) this;
+            String name = $this.getName()
+                .toLowerCase(Locale.ENGLISH);
+            callback.setReturnValue(EnumAddressee.PLAYER.toString() + "-" + name);
+            callback.cancel();
+        }
+    }
+}

src/main/resources/mixins.pilzmcsammelsorium.late.json

@@ -0,0 +1,12 @@
+{
+  "required": true,
+  "minVersion": "0.8.5-GTNH",
+  "package": "de.pilz.sammelsorium.mixins",
+  "refmap": "mixins.pilzmcsammelsorium.refmap.json",
+  "target": "@env(DEFAULT)",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": [
+  ],
+  "client": [],
+  "server": []
+}