Add client commands

Signed-off-by: shedaniel <daniel@shedaniel.me>

forge/src/main/java/dev/architectury/event/forge/EventHandlerImplClient.java

@@ -20,6 +20,7 @@
 package dev.architectury.event.forge;
 
 import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.brigadier.CommandDispatcher;
 import dev.architectury.event.CompoundEventResult;
 import dev.architectury.event.EventResult;
 import dev.architectury.event.events.client.ClientChatEvent;
@@ -324,6 +325,12 @@ public class EventHandlerImplClient {
         ClientRawInputEvent.KEY_PRESSED.invoker().keyPressed(Minecraft.getInstance(), event.getKey(), event.getScanCode(), event.getAction(), event.getModifiers());
     }
     
+    @SubscribeEvent(priority = EventPriority.HIGH)
+    public static void event(RegisterClientCommandsEvent event) {
+        ClientCommandRegistrationEvent.EVENT.invoker().register((CommandDispatcher<ClientCommandRegistrationEvent.ClientCommandSourceStack>)
+                (CommandDispatcher<?>) event.getDispatcher(), event.getBuildContext());
+    }
+    
     @OnlyIn(Dist.CLIENT)
     public static class ModBasedEventHandler {
         @SubscribeEvent(priority = EventPriority.HIGH)

forge/src/main/java/dev/architectury/mixin/forge/client/MixinCommandSourceStack.java

@@ -0,0 +1,67 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021, 2022 architectury
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package dev.architectury.mixin.forge.client;
+
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import dev.architectury.event.events.client.ClientCommandRegistrationEvent;
+import net.minecraft.client.multiplayer.ClientLevel;
+import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.network.chat.Component;
+import net.minecraft.world.phys.Vec2;
+import net.minecraft.world.phys.Vec3;
+import org.spongepowered.asm.mixin.Mixin;
+
+@Mixin(CommandSourceStack.class)
+public abstract class MixinCommandSourceStack implements ClientCommandRegistrationEvent.ClientCommandSourceStack {
+    @Override
+    public void arch$sendSuccess(Component message, boolean broadcastToAdmins) {
+        ((CommandSourceStack) (Object) this).sendSuccess(message, broadcastToAdmins);
+    }
+    
+    @Override
+    public void arch$sendFailure(Component message) {
+        ((CommandSourceStack) (Object) this).sendFailure(message);
+    }
+    
+    @Override
+    public LocalPlayer arch$getPlayer() {
+        try {
+            return (LocalPlayer) ((CommandSourceStack) (Object) this).getEntityOrException();
+        } catch (CommandSyntaxException e) {
+            throw new RuntimeException(e);
+        }
+    }
+    
+    @Override
+    public Vec3 arch$getPosition() {
+        return ((CommandSourceStack) (Object) this).getPosition();
+    }
+    
+    @Override
+    public Vec2 arch$getRotation() {
+        return ((CommandSourceStack) (Object) this).getRotation();
+    }
+    
+    @Override
+    public ClientLevel arch$getLevel() {
+        return (ClientLevel) ((CommandSourceStack) (Object) this).getUnsidedLevel();
+    }
+}

forge/src/main/resources/architectury.mixins.json

@@ -5,6 +5,7 @@
   "compatibilityLevel": "JAVA_16",
   "minVersion": "0.8",
   "client": [
+    "client.MixinCommandSourceStack",
     "MixinClientLevel",
     "MixinMinecraft"
   ],