build.gradle

@@ -18,6 +18,18 @@ repositories {
 	// for more information about repositories.
 }
 
+loom {
+	splitEnvironmentSourceSets()
+
+	mods {
+		"midcraft" {
+			sourceSet sourceSets.main
+			sourceSet sourceSets.client
+		}
+	}
+
+}
+
 fabricApi {
 	configureDataGeneration {
 		client = true

src/client/java/fullgream/midcraft/MidcraftClient.java

@@ -0,0 +1,10 @@
+package fullgream.midcraft;
+
+import net.fabricmc.api.ClientModInitializer;
+
+public class MidcraftClient implements ClientModInitializer {
+	@Override
+	public void onInitializeClient() {
+		// This entrypoint is suitable for setting up client-specific logic, such as rendering.
+	}
+}

src/client/java/fullgream/midcraft/mixin/client/ExampleClientMixin.java

@@ -0,0 +1,15 @@
+package fullgream.midcraft.mixin.client;
+
+import net.minecraft.client.MinecraftClient;
+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(MinecraftClient.class)
+public class ExampleClientMixin {
+	@Inject(at = @At("HEAD"), method = "run")
+	private void init(CallbackInfo info) {
+		// This code is injected into the start of MinecraftClient.run()V
+	}
+}

src/client/resources/midcraft.client.mixins.json

@@ -0,0 +1,11 @@
+{
+	"required": true,
+	"package": "fullgream.midcraft.mixin.client",
+	"compatibilityLevel": "JAVA_17",
+	"client": [
+		"ExampleClientMixin"
+	],
+	"injectors": {
+		"defaultRequire": 1
+	}
+}

src/main/resources/fabric.mod.json

@@ -18,12 +18,19 @@
 		"main": [
 			"fullgream.midcraft.Midcraft"
 		],
+		"client": [
+			"fullgream.midcraft.MidcraftClient"
+		],
 		"fabric-datagen": [
 			"fullgream.midcraft.MidcraftDataGenerator"
 		]
 	},
 	"mixins": [
-		"midcraft.mixins.json"
+		"midcraft.mixins.json",
+		{
+			"config": "midcraft.client.mixins.json",
+			"environment": "client"
+		}
 	],
 	"depends": {
 		"fabricloader": ">=0.17.2",