1.8, GUI for protocol

build.gradle

@@ -63,7 +63,7 @@ mixin {
 
 minecraft {
     version = '1.13'
-    mappings = 'snapshot_3'
+    mappings = 'snapshot_5'
     runDir = 'run'
     tweakClass = 'org.dimdev.riftloader.launch.RiftLoaderTweaker'
 }

src/main/java/com/github/creeper123123321/viarift/ViaRift.java

@@ -10,7 +10,7 @@ import us.myles.ViaVersion.ViaManager;
 import us.myles.ViaVersion.api.Via;
 
 public class ViaRift implements InitializationListener {
-    public static int fakeServerVersion = 340; // TODO
+    public static int fakeServerVersion = 393; // TODO
     @Override
     public void onInitialization() {
         MixinBootstrap.init();

src/main/java/com/github/creeper123123321/viarift/gui/multiplayer/SaveProtocolButton.java

@@ -0,0 +1,23 @@
+package com.github.creeper123123321.viarift.gui.multiplayer;
+
+import com.github.creeper123123321.viarift.ViaRift;
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiTextField;
+
+public class SaveProtocolButton extends GuiButton {
+    private GuiTextField textField;
+
+    public SaveProtocolButton(int id, int x, int y, int width, int height, String text, GuiTextField tf) {
+        super(id, x, y, width, height, text);
+        textField = tf;
+    }
+
+    @Override
+    public void mouseClicked(double p_mouseClicked_1_, double p_mouseClicked_3_) {
+        try {
+            ViaRift.fakeServerVersion = Integer.parseInt(textField.getText());
+        } catch (NumberFormatException e) {
+            textField.setText(Integer.toString(ViaRift.fakeServerVersion));
+        }
+    }
+}

src/main/java/com/github/creeper123123321/viarift/handler/VRInHandler.java

@@ -6,6 +6,7 @@ import io.netty.handler.codec.ByteToMessageDecoder;
 import io.netty.handler.codec.MessageToByteEncoder;
 import io.netty.handler.codec.MessageToMessageDecoder;
 import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.data.UserConnection;
 import us.myles.ViaVersion.api.type.Type;
 import us.myles.ViaVersion.exception.CancelException;

src/main/java/com/github/creeper123123321/viarift/mixin/client/MixinGuiMultiplayer.java

@@ -0,0 +1,53 @@
+package com.github.creeper123123321.viarift.mixin.client;
+
+import com.github.creeper123123321.viarift.ViaRift;
+import com.github.creeper123123321.viarift.gui.multiplayer.SaveProtocolButton;
+import com.github.creeper123123321.viarift.util.IntegerFormatFilter;
+import net.minecraft.client.gui.*;
+import net.minecraft.client.resources.I18n;
+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 org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(GuiMultiplayer.class)
+public abstract class MixinGuiMultiplayer extends GuiScreen {
+    private GuiTextField protocolVersion;
+    private GuiButton saveProtocol;
+
+    @Inject(method = "initGui", at = @At("TAIL"))
+    private void onInitGui(CallbackInfo ci) {
+        protocolVersion = new GuiTextField(1235, fontRenderer, this.width / 2 + 70, 8, 30, 20);
+        protocolVersion.setText(Integer.toString(ViaRift.fakeServerVersion));
+        protocolVersion.func_200675_a(new IntegerFormatFilter());
+        this.field_195124_j.add(protocolVersion);
+        saveProtocol = new SaveProtocolButton(6356, width / 2 + 100, 8, 50, 20,
+                I18n.format("gui.save_protocol_version"), protocolVersion);
+        this.field_195124_j.add(saveProtocol);
+        addButton(saveProtocol);
+    }
+
+    @Inject(method = "drawScreen", at = @At("TAIL"))
+    private void onDrawScreen(int p_1, int p_2, float p_3, CallbackInfo ci) {
+        drawCenteredString(fontRenderer, I18n.format("gui.protocol_version"),this.width / 2, 12, 0xFFFFFF);
+        protocolVersion.func_195608_a(p_1, p_2, p_3);
+    }
+
+    //@Inject(method = "keyPressed", at = @At("TAIL"))
+    //private void onKeyPressed(int p_1, int p_2, int p_3, CallbackInfoReturnable<Boolean> cir) {
+    //    protocolVersion.keyPressed(p_1, p_2, p_3);
+    //}
+
+    @Inject(method = "updateScreen", at = @At("TAIL"))
+    private void onUpdateScreen(CallbackInfo ci) {
+        protocolVersion.updateCursorCounter();
+    }
+
+    @Inject(method = "getFocused", at = @At("RETURN"), cancellable = true)
+    private void onGetFocused(CallbackInfoReturnable<IGuiEventListener> cir){
+        if (protocolVersion.isFocused()) {
+            cir.setReturnValue(protocolVersion);
+        }
+    }
+}

src/main/java/com/github/creeper123123321/viarift/platform/VRLoader.java

@@ -1,11 +1,17 @@
 package com.github.creeper123123321.viarift.platform;
 
+import com.github.creeper123123321.viarift.provider.VRMovementTransmitter;
+import com.github.creeper123123321.viarift.provider.VRVersionProvider;
+import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.platform.ViaPlatformLoader;
+import us.myles.ViaVersion.protocols.base.VersionProvider;
+import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.MovementTransmitterProvider;
 
 public class VRLoader implements ViaPlatformLoader {
     @Override
     public void load() {
-
+        Via.getManager().getProviders().use(VersionProvider.class, new VRVersionProvider());
+        Via.getManager().getProviders().use(MovementTransmitterProvider.class, new VRMovementTransmitter());
     }
 
     @Override

src/main/java/com/github/creeper123123321/viarift/platform/VRViaConfig.java

@@ -68,7 +68,7 @@ public class VRViaConfig implements ViaVersionConfig {
 
     @Override
     public boolean isAutoTeam() {
-        return true;
+        return false;
     }
 
     @Override

src/main/java/com/github/creeper123123321/viarift/provider/VRMovementTransmitter.java

@@ -0,0 +1,45 @@
+package com.github.creeper123123321.viarift.provider;
+
+import com.github.creeper123123321.viarift.util.PipelineUtil;
+import io.netty.buffer.ByteBuf;
+import us.myles.ViaVersion.api.PacketWrapper;
+import us.myles.ViaVersion.api.data.UserConnection;
+import us.myles.ViaVersion.api.type.Type;
+import us.myles.ViaVersion.packets.State;
+import us.myles.ViaVersion.protocols.base.ProtocolInfo;
+import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.MovementTransmitterProvider;
+import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.MovementTracker;
+
+public class VRMovementTransmitter extends MovementTransmitterProvider {
+    @Override
+    public Object getFlyingPacket() {
+        return null;
+    }
+
+    @Override
+    public Object getGroundPacket() {
+        return null;
+    }
+
+    @Override
+    public void sendPlayer(UserConnection userConnection) {
+        // Based on https://github.com/Gerrygames/ClientViaVersion/blob/master/src/main/java/de/gerrygames/the5zig/clientviaversion/providers/ClientMovementTransmitterProvider.java
+        if (userConnection.get(ProtocolInfo.class).getState() != State.PLAY) return;
+
+        PacketWrapper packet = new PacketWrapper(0x03, null, userConnection);
+        packet.write(Type.BOOLEAN, userConnection.get(MovementTracker.class).isGround());
+
+        ByteBuf buf = userConnection.getChannel().alloc().buffer();
+
+        try {
+            //Type.VAR_INT.write(buf, PacketWrapper.PASSTHROUGH_ID);
+            packet.writeToBuffer(buf);
+            //PipelineUtil.getContextAfter("encoder", userConnection.getChannel().pipeline()).writeAndFlush(buf);
+            userConnection.getChannel().pipeline().context("encoder").writeAndFlush(buf);
+            //PipelineUtil.getContextBefore("encoder", userConnection.getChannel().pipeline()).writeAndFlush(buf);
+            userConnection.get(MovementTracker.class).incrementIdlePacket();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/github/creeper123123321/viarift/util/IntegerFormatFilter.java

@@ -0,0 +1,16 @@
+package com.github.creeper123123321.viarift.util;
+
+import java.util.function.Predicate;
+
+public class IntegerFormatFilter implements Predicate<String> {
+    @Override
+    public boolean test(String s) {
+        if (s.isEmpty()) return true;
+        try {
+            Integer.parseInt(s);
+            return true;
+        } catch (NumberFormatException e) {
+            return false;
+        }
+    }
+}

src/main/java/com/github/creeper123123321/viarift/util/PipelineUtil.java

@@ -13,4 +13,8 @@ public class PipelineUtil {
         }
         return pipe.context(previous);
     }
+
+    public static ChannelHandlerContext getContextAfter(String name, ChannelPipeline pipe) {
+        return us.myles.ViaVersion.util.PipelineUtil.getContextBefore(name, pipe);
+    }
 }

src/main/resources/assets/viarift/lang/en_us.json

@@ -0,0 +1,4 @@
+{
+  "gui.protocol_version": "Protocol version no.: ",
+  "gui.save_protocol_version": "Save"
+}

src/main/resources/assets/viarift/lang/pt_br.json

@@ -0,0 +1,4 @@
+{
+  "gui.protocol_version": "Nº de versão do protocolo: ",
+  "gui.save_protocol_version": "Salvar"
+}

src/main/resources/mixins.viarift.main.json

@@ -8,5 +8,7 @@
   "mixins": [
     "MixinNetworkManagerClientChInit"
   ],
-  "client": []
+  "client": [
+    "client.MixinGuiMultiplayer"
+  ]
 }

src/main/resources/pack.mcmeta

@@ -0,0 +1,6 @@
+{
+   "pack": {
+      "pack_format": 4,
+      "description": "ViaRift"
+   }
+}