Added support for both Json mode and text mode. Connected Save/Load methods when…

Added support for both Json mode and text mode. Connected Save/Load methods when world loads, writing to local json file in level save folder.

src/main/java/com/owlmaddie/ChatDataManager.java

@@ -4,6 +4,7 @@ import com.owlmaddie.json.QuestJson;
 import net.minecraft.entity.Entity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.util.WorldSavePath;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -14,13 +15,23 @@ import java.util.regex.Pattern;
 import com.google.gson.Gson;
 import net.minecraft.util.Rarity;
 
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import com.google.gson.reflect.TypeToken;
+import java.lang.reflect.Type;
+import net.minecraft.server.MinecraftServer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class ChatDataManager {
     // Use a static instance to manage our data globally
     private static final ChatDataManager SERVER_INSTANCE = new ChatDataManager(true);
     private static final ChatDataManager CLIENT_INSTANCE = new ChatDataManager(false);
+    public static final Logger LOGGER = LoggerFactory.getLogger("mobgpt");
     public static int MAX_CHAR_PER_LINE = 22;
     public QuestJson quest = null;
+    private static final Gson GSON = new Gson();
 
     public enum ChatStatus {
         NONE,       // No chat status yet
@@ -118,16 +129,16 @@ public class ChatDataManager {
         }
 
         // Generate greeting
-        public void generateMessage(ServerPlayerEntity player, String systemPrompt, String user_message) {
+        public void generateMessage(ServerPlayerEntity player, String systemPrompt, String userMessage) {
             this.status = ChatStatus.PENDING;
             // Add USER Message
-            this.addMessage(user_message, ChatSender.USER);
+            this.addMessage(userMessage, ChatSender.USER);
 
             // Add PLAYER context information
             Map<String, String> contextData = getPlayerContext(player);
 
             // fetch HTTP response from ChatGPT
-            ChatGPTRequest.fetchMessageFromChatGPT(systemPrompt, contextData, previousMessages).thenAccept(output_message -> {
+            ChatGPTRequest.fetchMessageFromChatGPT(systemPrompt, contextData, previousMessages, false).thenAccept(output_message -> {
                 if (output_message != null && systemPrompt == "system-character") {
                     // Add NEW CHARACTER sheet & greeting
                     this.characterSheet = output_message;
@@ -195,7 +206,7 @@ public class ChatDataManager {
         if (server_only) {
             // Generate initial quest
             // TODO: Complete the quest flow
-            //generateQuest();
+            generateQuest();
         }
     }
 
@@ -240,10 +251,40 @@ public class ChatDataManager {
         messages.add(new ChatMessage("Generate me a new fantasy story with ONLY the 1st character in the story", ChatSender.USER));
 
         // Generate Quest: fetch HTTP response from ChatGPT
-        ChatGPTRequest.fetchMessageFromChatGPT("system-quest", contextData, messages).thenAccept(output_message -> {
+        ChatGPTRequest.fetchMessageFromChatGPT("system-quest", contextData, messages, true).thenAccept(output_message -> {
             // New Quest
             Gson gson = new Gson();
             quest = gson.fromJson(output_message, QuestJson.class);
         });
     }
+
+    // Save chat data to file
+    public void saveChatData(MinecraftServer server) {
+        try {
+            File saveFile = new File(server.getSavePath(WorldSavePath.ROOT).toFile(), "chatdata.json");
+            LOGGER.info("Save chat data to " + saveFile.getAbsolutePath());
+            try (FileWriter writer = new FileWriter(saveFile)) {
+                GSON.toJson(this.entityChatDataMap, writer);
+            }
+        } catch (Exception e) {
+            // Handle exceptions
+        }
+    }
+
+    // Load chat data from file
+    @SuppressWarnings("unchecked")
+    public void loadChatData(MinecraftServer server) {
+        try {
+            File loadFile = new File(server.getSavePath(WorldSavePath.ROOT).toFile(), "chatdata.json");
+            LOGGER.info("Load chat data from " + loadFile.getAbsolutePath());
+            if (loadFile.exists()) {
+                Type type = new TypeToken<HashMap<Integer, EntityChatData>>(){}.getType();
+                try (FileReader reader = new FileReader(loadFile)) {
+                    this.entityChatDataMap = GSON.fromJson(reader, type);
+                }
+            }
+        } catch (Exception e) {
+            // Handle exceptions
+        }
+    }
 }
\ No newline at end of file

src/main/java/com/owlmaddie/ChatGPTRequest.java

@@ -38,10 +38,14 @@ public class ChatGPTRequest {
         List<ChatGPTRequestMessage> messages;
         ResponseFormat response_format;
 
-        public ChatGPTRequestPayload(String model, List<ChatGPTRequestMessage> messages) {
+        public ChatGPTRequestPayload(String model, List<ChatGPTRequestMessage> messages, Boolean jsonMode) {
             this.model = model;
             this.messages = messages;
-            this.response_format = new ResponseFormat("json_object");
+            if (jsonMode) {
+                this.response_format = new ResponseFormat("json_object");
+            } else {
+                this.response_format = new ResponseFormat("text");
+            }
         }
     }
 
@@ -80,7 +84,7 @@ public class ChatGPTRequest {
         return result.replace("\"", "") ;
     }
 
-    public static CompletableFuture<String> fetchMessageFromChatGPT(String systemPrompt, Map<String, String> context, List<ChatDataManager.ChatMessage> messageHistory) {
+    public static CompletableFuture<String> fetchMessageFromChatGPT(String systemPrompt, Map<String, String> context, List<ChatDataManager.ChatMessage> messageHistory, Boolean jsonMode) {
         return CompletableFuture.supplyAsync(() -> {
             try {
                 // Load and prepare the system prompt template
@@ -110,7 +114,7 @@ public class ChatGPTRequest {
                 }
 
                 // Convert JSON to String
-                ChatGPTRequestPayload payload = new ChatGPTRequestPayload("gpt-3.5-turbo-1106", messages);
+                ChatGPTRequestPayload payload = new ChatGPTRequestPayload("gpt-3.5-turbo-1106", messages, jsonMode);
                 Gson gsonInput = new Gson();
                 String jsonInputString = gsonInput.toJson(payload);
 

src/main/java/com/owlmaddie/ModInit.java

@@ -53,7 +53,9 @@ public class ModInit implements ModInitializer {
 							chatData.status == ChatDataManager.ChatStatus.END) {
 						// Only generate a new greeting if not already doing so
 						LOGGER.info("Generate greeting for: " + entity.getType().toString());
-						chatData.generateMessage(player, "system-character", "Please generate a new background character who lives near the {{player_biome}}");
+						String player_biome = player.getWorld().getBiome(player.getBlockPos()).getKey().get().getValue().getPath();
+						String userMessage = "Please generate a new background character who lives near the " + player_biome;
+						chatData.generateMessage(player, "system-character", userMessage);
 					}
 				}
 			});
@@ -118,14 +120,18 @@ public class ModInit implements ModInitializer {
 		});
 
 		ServerWorldEvents.LOAD.register((server, world) -> {
-			// Load chat data...
-			LOGGER.info("LOAD chat data from NBT: " + world.getRegistryKey().getValue());
-			serverInstance = server;
+			String world_name = world.getRegistryKey().getValue().getPath();
+			if (world_name == "overworld") {
+				serverInstance = server;
+				ChatDataManager.getServerInstance().loadChatData(server);
+			}
 		});
 		ServerWorldEvents.UNLOAD.register((server, world) -> {
-			// Save chat data...
-			LOGGER.info("SAVE chat data to NBT: " + world.getRegistryKey().getValue());
-			serverInstance = null;
+			String world_name = world.getRegistryKey().getValue().getPath();
+			if (world_name == "overworld") {
+				ChatDataManager.getServerInstance().saveChatData(server);
+				serverInstance = null;
+			}
 		});
 
 		LOGGER.info("MobGPT Initialized!");