Remove ViaRift.fakeServerVersion, use git version, add version detector

build.gradle

@@ -12,6 +12,7 @@ buildscript {
 
 plugins {
     id 'net.minecrell.licenser' version '0.4.1'
+    id 'com.palantir.git-version' version '0.12.0-rc2'
 }
 
 apply plugin: 'net.minecraftforge.gradle.tweaker-client'
@@ -19,7 +20,7 @@ apply plugin: 'org.spongepowered.mixin'
 apply plugin: 'java'
 
 group 'com.github.creeper123123321.viarift'
-version '1.0.1'
+version gitVersion()
 archivesBaseName = 'ViaRift'
 
 sourceCompatibility = 1.8

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

@@ -34,21 +34,25 @@ import io.netty.channel.EventLoop;
 import net.minecraft.util.NamedThreadFactory;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.dimdev.rift.listener.MinecraftStartListener;
 import org.dimdev.riftloader.listener.InitializationListener;
 import org.spongepowered.asm.launch.MixinBootstrap;
 import org.spongepowered.asm.mixin.Mixins;
 import us.myles.ViaVersion.ViaManager;
 import us.myles.ViaVersion.api.Via;
 
-public class ViaRift implements InitializationListener {
-    public static int fakeServerVersion = -1;
-    public static final Logger LOGGER = LogManager.getLogger();
+public class ViaRift implements InitializationListener, MinecraftStartListener {
+    public static final Logger LOGGER = LogManager.getLogger("ViaRift");
     public static final java.util.logging.Logger JLOGGER = new JLoggerToLog4j(LOGGER);
     public static final EventLoop EVENT_LOOP = new DefaultEventLoop(new NamedThreadFactory("ViaRift"));
     @Override
     public void onInitialization() {
         MixinBootstrap.init();
         Mixins.addConfiguration("mixins.viarift.main.json");
+    }
+
+    @Override
+    public void onMinecraftStart() {
         Via.init(ViaManager.builder()
                 .injector(new VRInjector())
                 .loader(new VRLoader())

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

@@ -24,9 +24,9 @@
 
 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;
+import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
 
 public class SaveProtocolButton extends GuiButton {
     private GuiTextField textField;
@@ -40,9 +40,9 @@ public class SaveProtocolButton extends GuiButton {
     public void mousePressed(double p_mouseClicked_1_, double p_mouseClicked_3_) {
         super.mousePressed(p_mouseClicked_1_, p_mouseClicked_3_);
         try {
-            ViaRift.fakeServerVersion = Integer.parseInt(textField.getText());
+            ProtocolRegistry.SERVER_PROTOCOL = Integer.parseInt(textField.getText());
         } catch (NumberFormatException e) {
-            textField.setText(Integer.toString(ViaRift.fakeServerVersion));
+            textField.setText(Integer.toString(ProtocolRegistry.SERVER_PROTOCOL));
         }
     }
 }

src/main/java/com/github/creeper123123321/viarift/interfaces/IPatchedCPacketHandshake.java

@@ -22,15 +22,8 @@
  * SOFTWARE.
  */
 
-package com.github.creeper123123321.viarift.provider;
+package com.github.creeper123123321.viarift.interfaces;
 
-import com.github.creeper123123321.viarift.ViaRift;
-import us.myles.ViaVersion.api.data.UserConnection;
-import us.myles.ViaVersion.protocols.base.VersionProvider;
-
-public class VRVersionProvider extends VersionProvider {
-    @Override
-    public int getServerProtocol(UserConnection connection) throws Exception {
-        return ViaRift.fakeServerVersion;
-    }
+public interface IPatchedCPacketHandshake {
+    int getProtocolVersion();
 }

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

@@ -0,0 +1,40 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2018 creeper123123321 and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.github.creeper123123321.viarift.mixin.client;
+
+import com.github.creeper123123321.viarift.interfaces.IPatchedCPacketHandshake;
+import net.minecraft.network.handshake.client.CPacketHandshake;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(CPacketHandshake.class)
+public class MixinCPacketHandshake implements IPatchedCPacketHandshake {
+    @Shadow private int protocolVersion;
+
+    @Override
+    public int getProtocolVersion() {
+        return protocolVersion;
+    }
+}

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

@@ -24,7 +24,6 @@
 
 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.*;
@@ -34,6 +33,7 @@ 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;
+import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
 
 @Mixin(GuiMultiplayer.class)
 public abstract class MixinGuiMultiplayer extends GuiScreen {
@@ -43,7 +43,7 @@ public abstract class MixinGuiMultiplayer extends GuiScreen {
     @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.setText(Integer.toString(ProtocolRegistry.SERVER_PROTOCOL));
         protocolVersion.func_200675_a(new IntegerFormatFilter());
         this.eventListeners.add(protocolVersion);
         saveProtocol = new SaveProtocolButton(6356, width / 2 + 100, 8, 50, 20,

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

@@ -24,23 +24,29 @@
 
 package com.github.creeper123123321.viarift.platform;
 
-import com.github.creeper123123321.viarift.ViaRift;
+import com.github.creeper123123321.viarift.interfaces.IPatchedCPacketHandshake;
+import net.minecraft.network.EnumConnectionState;
+import net.minecraft.network.handshake.client.CPacketHandshake;
 import us.myles.ViaVersion.api.platform.ViaInjector;
 
 public class VRInjector implements ViaInjector {
     @Override
-    public void inject() throws Exception {
+    public void inject() {
         // *looks at Mixins*
     }
 
     @Override
-    public void uninject() throws Exception {
+    public void uninject() {
         // not possible *plays sad violin*
     }
 
     @Override
-    public int getServerProtocolVersion() throws Exception {
-        return ViaRift.fakeServerVersion;
+    public int getServerProtocolVersion() {
+        return ((IPatchedCPacketHandshake) new CPacketHandshake(
+                "XGH to get protocol",
+                0,
+                EnumConnectionState.HANDSHAKING)
+        ).getProtocolVersion();
     }
 
     @Override

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

@@ -24,17 +24,14 @@
 
 package com.github.creeper123123321.viarift.platform;
 
-import com.github.creeper123123321.viarift.provider.VRVersionProvider;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.platform.ViaPlatformLoader;
 import us.myles.ViaVersion.bungee.providers.BungeeMovementTransmitter;
-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 BungeeMovementTransmitter());
     }
 

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

@@ -9,6 +9,7 @@
     "MixinNetworkManagerClientChInit"
   ],
   "client": [
-    "client.MixinGuiMultiplayer"
+    "client.MixinGuiMultiplayer",
+    "client.MixinCPacketHandshake"
   ]
 }