Example mod

exampleMod/build.gradle

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+plugins {
+    id 'java'
+    id 'maven-publish'
+}
+
+sourceCompatibility = JavaVersion.VERSION_16
+targetCompatibility = JavaVersion.VERSION_16
+
+version = "1.2.0"
+group = "com.elitemastereric"
+archivesBaseName = "examplemod"
+
+repositories {
+    mavenCentral()
+    maven {
+        url 'https://jitpack.io'
+    }
+    maven {
+        url "https://repo.spongepowered.org/maven/"
+    }
+    maven {
+        url "https://maven.fabricmc.net/"
+    }
+}
+
+dependencies {
+    // Dependency on the Hello World app
+    implementation project(':app')
+    implementation project(':modLoader')
+}
+
+processResources {
+    inputs.property "version", project.version
+    filteringCharset "UTF-8"
+
+    filesMatching("fabric.mod.json") {
+        expand "version": project.version
+    }
+}
+
+tasks.withType(JavaCompile).configureEach {
+    // ensure that the encoding is set to UTF-8, no matter what the system default is
+    // this fixes some edge cases with special characters not displaying correctly
+    // see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
+    // If Javadoc is generated, this must be specified in that task too.
+    it.options.encoding = "UTF-8"
+    it.options.release = 16
+}
+
+task buildAndCopy(type: Copy) {
+  group 'build'
+  dependsOn 'assemble'
+  from "build/libs/"
+  into "../run/mods"
+}

exampleMod/src/main/java/com/elitemastereric/examplemod/ExampleMod.java

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+package com.elitemastereric.examplemod;
+
+import net.fabricmc.api.ModInitializer;
+
+import java.util.logging.Logger;
+
+public class ExampleMod implements ModInitializer {
+    public static final String MOD_ID = "examplemod";
+    public static final Logger LOGGER = Logger.getLogger(MOD_ID);
+
+    @Override
+    public void onInitialize() {
+        // System.out.println("Hello Fabric world!");
+    }
+}

exampleMod/src/main/java/com/elitemastereric/examplemod/mixin/MainMixin.java

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+package com.elitemastereric.examplemod.mixin;
+
+import com.elitemastereric.helloworld.Main;
+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.CallbackInfoReturnable;
+
+@Mixin(Main.class)
+public class MainMixin {
+    @Inject(method = "getGreeting*", at = @At("RETURN"), cancellable = true)
+    public void injectGetGreeting(CallbackInfoReturnable<String> callbackInfo) {
+        callbackInfo.setReturnValue("Goodbye World!");
+    }
+}

exampleMod/src/main/resources/examplemod.mixins.json

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+{
+    "required": true,
+    "minVersion": "0.8",
+    "package": "com.elitemastereric.examplemod.mixin",
+    "mixins": [
+        "MainMixin"
+    ],
+    "client": [],
+    "server": [],
+    "injectors": {
+        "defaultRequire": 1
+    }
+}

exampleMod/src/main/resources/fabric.mod.json

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+{
+    "schemaVersion": 1,
+    "id": "examplemod",
+    "version": "${version}",
+    "name": "Hello World Example Mod",
+    "description": "An example mod for Hello World app",
+    "authors": [
+      "EliteMasterEric"
+    ],
+    "contact": {
+      "homepage": "https://elitemastereric.com"
+    },
+    "license": "MIT",
+    "environment": "*",
+    "entrypoints": {
+      "main": [
+        "com.elitemastereric.examplemod.ExampleMod"
+      ]
+    },
+    "mixins": [
+      "examplemod.mixins.json"
+    ],
+    "depends": {
+      "fabricloader": ">=0.13.3",
+      "helloworld": "1.0.*"
+    }
+  }