- Render other player messages above their heads (skips own player)

- Added player face to player chat bubbles
- Added placeholder player text-top UI graphic (no friendship)
- Reduced ticks visible per page of player messages
- Changed PlayerMessage to extend EntityChatData, for simplicity

src/client/java/com/owlmaddie/ui/BubbleRenderer.java

@@ -42,7 +42,7 @@ public class BubbleRenderer {
     public static int animationFrame = 0;
     public static long lastTick = 0;
 
-    public static void drawTextBubbleBackground(MatrixStack matrices, float x, float y, float width, float height, int friendship) {
+    public static void drawTextBubbleBackground(String base_name, MatrixStack matrices, float x, float y, float width, float height, int friendship) {
         RenderSystem.enableDepthTest();
         RenderSystem.enableBlend();
         RenderSystem.defaultBlendFunc();
@@ -54,11 +54,11 @@ public class BubbleRenderer {
 
         // Draw UI text background (based on friendship)
         if (friendship == -3) {
-            RenderSystem.setShaderTexture(0, textures.GetUI("text-top-enemy"));
+            RenderSystem.setShaderTexture(0, textures.GetUI(base_name + "-enemy"));
         } else if (friendship == 3) {
-            RenderSystem.setShaderTexture(0, textures.GetUI("text-top-friend"));
+            RenderSystem.setShaderTexture(0, textures.GetUI(base_name + "-friend"));
         } else {
-            RenderSystem.setShaderTexture(0, textures.GetUI("text-top"));
+            RenderSystem.setShaderTexture(0, textures.GetUI(base_name));
         }
         drawTexturePart(matrices, buffer, x - 50, y, z, 228, 40);
 
@@ -164,6 +164,40 @@ public class BubbleRenderer {
         RenderSystem.disableDepthTest();
     }
 
+    private static void drawPlayerIcon(MatrixStack matrices, Entity entity, float x, float y, float width, float height) {
+        // Get player skin texture
+        EntityRenderer renderer = EntityRendererAccessor.getEntityRenderer(entity);
+        Identifier playerTexture = renderer.getTexture(entity);
+
+        RenderSystem.setShaderTexture(0, playerTexture);
+        RenderSystem.enableDepthTest();
+        RenderSystem.enableBlend();
+        RenderSystem.defaultBlendFunc();
+        RenderSystem.setShader(GameRenderer::getPositionTexProgram);
+
+        Tessellator tessellator = Tessellator.getInstance();
+        BufferBuilder bufferBuilder = tessellator.getBuffer();
+        bufferBuilder.begin(VertexFormat.DrawMode.QUADS, VertexFormats.POSITION_TEXTURE);
+
+        // Texture coordinates for the face region (8, 8) to (16, 16) in a 64x64 texture
+        float textureWidth = 64.0F;
+        float textureHeight = 64.0F;
+        float u1 = 8.0F / textureWidth;
+        float v1 = 8.0F / textureHeight;
+        float u2 = 16.0F / textureWidth;
+        float v2 = 16.0F / textureHeight;
+
+        float z = -0.01F;
+        bufferBuilder.vertex(matrices.peek().getPositionMatrix(), x, y + height, z).texture(u1, v2).next();  // bottom left
+        bufferBuilder.vertex(matrices.peek().getPositionMatrix(), x + width, y + height, z).texture(u2, v2).next();   // bottom right
+        bufferBuilder.vertex(matrices.peek().getPositionMatrix(), x + width, y, z).texture(u2, v1).next();  // top right
+        bufferBuilder.vertex(matrices.peek().getPositionMatrix(), x, y, z).texture(u1, v1).next(); // top left
+        tessellator.draw();
+
+        RenderSystem.disableBlend();
+        RenderSystem.disableDepthTest();
+    }
+
     private static void drawMessageText(Matrix4f matrix, List<String> lines, int starting_line, int ending_line,
                                  VertexConsumerProvider immediate, float lineSpacing, int fullBright, float yOffset) {
         TextRenderer fontRenderer = MinecraftClient.getInstance().textRenderer;
@@ -239,13 +273,21 @@ public class BubbleRenderer {
                 .collect(Collectors.toList());
 
         for (Entity entity : relevantEntities) {
-            if (entity.hasPassengers()) {
+
+            // Look-up greeting (if any)
+            ChatDataManager.EntityChatData chatData = null;
+            if (entity instanceof MobEntity) {
+                chatData = ChatDataManager.getClientInstance().getOrCreateChatData(entity.getUuidAsString());
+            } else if (entity instanceof PlayerEntity) {
+                chatData = PlayerMessageManager.getMessage(entity.getUuid());
+            }
+
+            // Bail if no chatData found, or if they have passengers
+            if (chatData == null || entity.hasPassengers()) {
                 // Skip
                 continue;
             }
 
-            // Look-up greeting (if any)
-            ChatDataManager.EntityChatData chatData = ChatDataManager.getClientInstance().getOrCreateChatData(entity.getUuidAsString());
             List<String> lines = chatData.getWrappedLines();
 
             // Set the range of lines to display
@@ -375,7 +417,7 @@ public class BubbleRenderer {
 
             } else if (chatData.sender == ChatDataManager.ChatSender.ASSISTANT && chatData.status != ChatDataManager.ChatStatus.HIDDEN) {
                 // Draw text background (no smaller than 50F tall)
-                drawTextBubbleBackground(matrices, -64, 0, 128, scaledTextHeight, chatData.friendship);
+                drawTextBubbleBackground("text-top", matrices, -64, 0, 128, scaledTextHeight, chatData.friendship);
 
                 // Draw face icon of entity
                 drawEntityIcon(matrices, entity, -82, 7, 32, 32);
@@ -399,6 +441,16 @@ public class BubbleRenderer {
             } else if (chatData.sender == ChatDataManager.ChatSender.ASSISTANT && chatData.status == ChatDataManager.ChatStatus.HIDDEN) {
                 // Draw 'resume chat' button
                 drawIcon("button-chat", matrices, -16, textHeaderHeight, 32, 17);
+
+            } else if (chatData.sender == ChatDataManager.ChatSender.USER && chatData.status == ChatDataManager.ChatStatus.DISPLAY) {
+                // Draw text background
+                drawTextBubbleBackground("text-top-player", matrices, -64, 0, 128, scaledTextHeight, chatData.friendship);
+
+                // Draw face icon of player
+                drawPlayerIcon(matrices, entity, -75, 14, 18, 18);
+
+                // Render each line of the player's text
+                drawMessageText(matrix, lines, starting_line, ending_line, immediate, lineSpacing, fullBright, 40.0F + DISPLAY_PADDING);
             }
 
             // Pop the matrix to return to the original state.

src/client/java/com/owlmaddie/ui/ClickHandler.java

@@ -57,7 +57,7 @@ public class ClickHandler {
         ClientPlayNetworking.registerGlobalReceiver(ModInit.PACKET_S2C_MESSAGE, (client, handler, buffer, responseSender) -> {
             // Read the data from the server packet
             UUID entityId = UUID.fromString(buffer.readString());
-            UUID playerId = UUID.fromString(buffer.readString());
+            String playerId = buffer.readString();
             String message = buffer.readString(32767);
             int line = buffer.readInt();
             String status_name = buffer.readString(32767);
@@ -70,7 +70,7 @@ public class ClickHandler {
                 if (entity != null) {
                     ChatDataManager chatDataManager = ChatDataManager.getClientInstance();
                     ChatDataManager.EntityChatData chatData = chatDataManager.getOrCreateChatData(entity.getUuidAsString());
-                    chatData.playerId = playerId.toString();
+                    chatData.playerId = playerId;
                     if (!message.isEmpty()) {
                         chatData.currentMessage = message;
                     }
@@ -79,7 +79,7 @@ public class ClickHandler {
                     chatData.sender = ChatDataManager.ChatSender.valueOf(sender_name);
                     chatData.friendship = friendship;
 
-                    if (chatData.sender == ChatDataManager.ChatSender.USER) {
+                    if (chatData.sender == ChatDataManager.ChatSender.USER && !playerId.isEmpty()) {
                         // Add player message to queue for rendering
                         PlayerMessageManager.addMessage(UUID.fromString(chatData.playerId), chatData.currentMessage, ChatDataManager.TICKS_TO_DISPLAY_USER_MESSAGE);
                     }

src/client/java/com/owlmaddie/ui/PlayerMessage.java

 package com.owlmaddie.ui;
 
 import com.owlmaddie.chat.ChatDataManager;
-import com.owlmaddie.chat.LineWrapper;
-
-import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
 /**
@@ -11,24 +8,14 @@ import java.util.concurrent.atomic.AtomicInteger;
  * many ticks to remain visible, and the message to display. Similar to an EntityChatData, but
  * much simpler.
  */
-public class PlayerMessage {
-    public String currentMessage;
-    public int currentLineNumber;
+public class PlayerMessage extends ChatDataManager.EntityChatData {
     public AtomicInteger tickCountdown;
 
-    public PlayerMessage(String messageText, int ticks) {
+    public PlayerMessage(String playerId, String messageText, int ticks) {
+        super("", playerId);
         this.currentMessage = messageText;
         this.currentLineNumber = 0;
         this.tickCountdown = new AtomicInteger(ticks);
-    }
-
-    public List<String> getWrappedLines() {
-        return LineWrapper.wrapLines(this.currentMessage, ChatDataManager.MAX_CHAR_PER_LINE);
-    }
-
-    public boolean isEndOfMessage() {
-        int totalLines = this.getWrappedLines().size();
-        // Check if the current line number plus DISPLAY_NUM_LINES covers or exceeds the total number of lines
-        return currentLineNumber + ChatDataManager.DISPLAY_NUM_LINES >= totalLines;
+        this.status = ChatDataManager.ChatStatus.DISPLAY;
     }
 }
\ No newline at end of file

src/client/java/com/owlmaddie/ui/PlayerMessageManager.java

@@ -12,7 +12,11 @@ public class PlayerMessageManager {
     private static final ConcurrentHashMap<UUID, PlayerMessage> messages = new ConcurrentHashMap<>();
 
     public static void addMessage(UUID playerUUID, String messageText, int ticks) {
-        messages.put(playerUUID, new PlayerMessage(messageText, ticks));
+        messages.put(playerUUID, new PlayerMessage(playerUUID.toString(), messageText, ticks));
+    }
+
+    public static PlayerMessage getMessage(UUID playerId) {
+        return messages.get(playerId);
     }
 
     public static void tickUpdate() {

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

@@ -42,7 +42,7 @@ public class ChatDataManager {
     public static int MAX_CHAR_PER_LINE = 20;
     public static int DISPLAY_NUM_LINES = 3;
     public static int MAX_CHAR_IN_USER_MESSAGE = 512;
-    public static int TICKS_TO_DISPLAY_USER_MESSAGE = 90;
+    public static int TICKS_TO_DISPLAY_USER_MESSAGE = 60;
     public QuestJson quest = null;
     private static final Gson GSON = new Gson();
 
@@ -83,9 +83,9 @@ public class ChatDataManager {
         public ChatSender sender;
         public int friendship; // -3 to 3 (0 = neutral)
 
-        public EntityChatData(String entityId) {
+        public EntityChatData(String entityId, String playerId) {
             this.entityId = entityId;
-            this.playerId = null;
+            this.playerId = playerId;
             this.currentMessage = "";
             this.currentLineNumber = 0;
             this.previousMessages = new ArrayList<>();
@@ -200,7 +200,12 @@ public class ChatDataManager {
         public void generateMessage(ServerPlayerEntity player, String systemPrompt, String userMessage) {
             this.status = ChatStatus.PENDING;
             // Add USER Message
+            if (systemPrompt == "system-character") {
+                // Add message without playerId (so it does not display)
+                this.addMessage(userMessage, ChatSender.USER, "");
+            } else if (systemPrompt == "system-chat") {
                 this.addMessage(userMessage, ChatSender.USER, player.getUuidAsString());
+            }
 
             // Add PLAYER context information
             Map<String, String> contextData = getPlayerContext(player);
@@ -383,7 +388,7 @@ public class ChatDataManager {
 
     // Retrieve chat data for a specific entity, or create it if it doesn't exist
     public EntityChatData getOrCreateChatData(String entityId) {
-        return entityChatDataMap.computeIfAbsent(entityId, k -> new EntityChatData(entityId));
+        return entityChatDataMap.computeIfAbsent(entityId, k -> new EntityChatData(entityId, ""));
     }
 
     // Generate quest data for this server session