initial commitHEADmain

1 files changed, 103 insertions, 0 deletions

diff --git a/src/main/java/dev/plutorocks/mixin/ChatScreenMixin.java b/src/main/java/dev/plutorocks/mixin/ChatScreenMixin.java
new file mode 100644
index 0000000..6ea5e64
--- /dev/null
+++ b/src/main/java/dev/plutorocks/mixin/ChatScreenMixin.java
@@ -0,0 +1,103 @@
+package dev.plutorocks.mixin;
+
+import dev.plutorocks.PlutoBridge;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.screen.ChatScreen;
+import net.minecraft.text.MutableText;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+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;
+
+@Mixin(ChatScreen.class)
+public abstract class ChatScreenMixin {
+
+    @Inject(method = "sendMessage", at = @At("HEAD"), cancellable = true)
+    private void bridge$interceptBridgeMessages(String chatText, boolean addToHistory, CallbackInfo ci) {
+        if (chatText == null) {
+            return;
+        }
+
+        String trimmed = chatText.trim();
+        if (trimmed.isEmpty()) {
+            return;
+        }
+
+        if (trimmed.startsWith("/")) {
+            return;
+        }
+
+        boolean startsWithBang = trimmed.startsWith("!");
+        boolean bridgeDefault = PlutoBridge.bridgeChatDefault;
+
+        boolean wantsBridge;
+        if (!bridgeDefault) {
+            if (!startsWithBang) {
+                return;
+            }
+            wantsBridge = true;
+        } else {
+            wantsBridge = !startsWithBang;
+        }
+
+        MinecraftClient client = MinecraftClient.getInstance();
+        if (client == null || client.player == null) {
+            return;
+        }
+
+        if (PlutoBridge.BRIDGE_CLIENT == null || !PlutoBridge.BRIDGE_CLIENT.isConnected()) {
+            if (wantsBridge) {
+                if (client.inGameHud != null) {
+                    MutableText prefix = Text.literal("[Bridge] ").formatted(Formatting.AQUA);
+                    MutableText body = Text.literal("Not connected. Use /bridge connect first.")
+                            .formatted(Formatting.GRAY);
+                    client.inGameHud.getChatHud().addMessage(prefix.append(body));
+                }
+                ci.cancel();
+            }
+            return;
+        }
+
+        // at this point we are connected.
+        if (bridgeDefault && startsWithBang && !wantsBridge) {
+            // bridge mode ON and user prefixed with "!" => send to normal chat.
+            String normalMessage = trimmed.substring(1);
+            if (!normalMessage.isEmpty()) {
+                client.player.networkHandler.sendChatMessage(normalMessage);
+            }
+        } else {
+            // send to the bridge.
+            String bridgeMessage;
+            if (!bridgeDefault) {
+                // default mode: strip the leading "!" for bridge messages.
+                bridgeMessage = trimmed.substring(1);
+            } else {
+                // bridge mode: already without prefix for bridge messages.
+                bridgeMessage = trimmed;
+            }
+
+            // enforce max message length client-side to match server.
+            int len = bridgeMessage.codePointCount(0, bridgeMessage.length());
+            if (len > PlutoBridge.MAX_MESSAGE_LEN) {
+                if (client.inGameHud != null) {
+                    MutableText prefix = Text.literal("[Bridge] ").formatted(Formatting.AQUA);
+                    MutableText body = Text.literal(
+                            "Message too long (max " + PlutoBridge.MAX_MESSAGE_LEN + " characters)."
+                    ).formatted(Formatting.GRAY);
+                    client.inGameHud.getChatHud().addMessage(prefix.append(body));
+                }
+                ci.cancel();
+                return;
+            }
+
+            if (!bridgeMessage.isEmpty()) {
+                PlutoBridge.BRIDGE_CLIENT.sendChatMessage(bridgeMessage);
+            }
+        }
+
+        // prevent this message from going to normal MC chat
+        ci.cancel();
+    }
+}
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