Make mod no-op on server

Fixes #41

src/main/java/makamys/neodymium/MixinConfigPlugin.java

@@ -2,12 +2,14 @@
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 
 import org.spongepowered.asm.lib.tree.ClassNode;
 import org.spongepowered.asm.mixin.MixinEnvironment;
 import org.spongepowered.asm.mixin.MixinEnvironment.Phase;
+import org.spongepowered.asm.mixin.MixinEnvironment.Side;
 import org.spongepowered.asm.mixin.extensibility.IMixinConfigPlugin;
 import org.spongepowered.asm.mixin.extensibility.IMixinInfo;
 
@@ -18,6 +20,8 @@ public class MixinConfigPlugin implements IMixinConfigPlugin {
 
     @Override
     public void onLoad(String mixinPackage) {
+        if(MixinEnvironment.getCurrentEnvironment().getSide() == Side.SERVER) return;
+
         Config.reloadConfig();
 
         Phase phase = MixinEnvironment.getCurrentEnvironment().getPhase();
@@ -41,6 +45,8 @@ public void acceptTargets(Set<String> myTargets, Set<String> otherTargets) {}
 
     @Override
     public List<String> getMixins() {
+        if(MixinEnvironment.getCurrentEnvironment().getSide() == Side.SERVER) return Collections.emptyList();
+
         List<String> mixins = new ArrayList<>();
         Phase phase = MixinEnvironment.getCurrentEnvironment().getPhase();
         if(phase == Phase.DEFAULT) {

src/main/java/makamys/neodymium/Neodymium.java

@@ -17,6 +17,7 @@
 import cpw.mods.fml.client.event.ConfigChangedEvent;
 import cpw.mods.fml.common.FMLCommonHandler;
 import cpw.mods.fml.common.Mod;
+import cpw.mods.fml.common.SidedProxy;
 import cpw.mods.fml.common.Mod.EventHandler;
 import cpw.mods.fml.common.event.FMLConstructionEvent;
 import cpw.mods.fml.common.event.FMLInitializationEvent;
@@ -33,6 +34,7 @@
 import makamys.neodymium.config.Config;
 import makamys.neodymium.renderer.NeoRenderer;
 import makamys.neodymium.util.ChatUtil;
+import makamys.neodymium.util.Proxy;
 import makamys.neodymium.util.WarningHelper;
 import net.minecraft.client.Minecraft;
 import net.minecraft.entity.player.EntityPlayer;
@@ -42,9 +44,19 @@
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.event.world.WorldEvent;
 
-@Mod(modid = MODID, version = VERSION, guiFactory = "makamys.neodymium.config.GuiFactory")
-public class Neodymium
-{
+public class Neodymium implements Proxy {
+
+    @Mod(modid = MODID, version = VERSION, guiFactory = "makamys.neodymium.config.GuiFactory")
+    public static class ModContainer {
+        @SidedProxy(serverSide = "makamys.neodymium.util.Proxy$NullProxy", clientSide = "makamys.neodymium.Neodymium")
+        private static Proxy proxy;
+        @EventHandler
+        public void construct(FMLConstructionEvent event) { proxy.construct(event); }     
+        @EventHandler
+        public void preInit(FMLPreInitializationEvent event) { proxy.preInit(event); }
+        @EventHandler
+        public void init(FMLInitializationEvent event) { proxy.init(event); }
+    }
 
     private static final Config.ReloadInfo CONFIG_RELOAD_INFO = new Config.ReloadInfo();
 
@@ -56,15 +68,12 @@ public class Neodymium
 
     private static World rendererWorld;
 
-    @EventHandler
-    public void preInit(FMLConstructionEvent event) {
+    public void construct(FMLConstructionEvent event) {
         MCLib.init();
         Compat.init();
     }
 
-    @EventHandler
-    public void preInit(FMLPreInitializationEvent event)
-    {
+    public void preInit(FMLPreInitializationEvent event) {
         MCLibModules.updateCheckAPI.submitModTask(MODID, "@UPDATE_URL@");
 
         if(VERSION.equals("@VERSION@")) {
@@ -73,9 +82,7 @@ public void preInit(FMLPreInitializationEvent event)
         }
     }
 
-    @EventHandler
-    public void init(FMLInitializationEvent event)
-    {
+    public void init(FMLInitializationEvent event) {
         FMLCommonHandler.instance().bus().register(this);
         MinecraftForge.EVENT_BUS.register(this);
         NeodymiumCommand.init();

src/main/java/makamys/neodymium/util/Proxy.java

@@ -0,0 +1,17 @@
+package makamys.neodymium.util;
+
+import cpw.mods.fml.common.event.FMLConstructionEvent;
+import cpw.mods.fml.common.event.FMLInitializationEvent;
+import cpw.mods.fml.common.event.FMLLoadCompleteEvent;
+import cpw.mods.fml.common.event.FMLPostInitializationEvent;
+import cpw.mods.fml.common.event.FMLPreInitializationEvent;
+
+public interface Proxy {
+    public default void construct(FMLConstructionEvent event) {}
+    public default void preInit(FMLPreInitializationEvent event) {}
+    public default void init(FMLInitializationEvent event) {}
+    public default void postInit(FMLPostInitializationEvent event) {}
+    public default void loadComplete(FMLLoadCompleteEvent event) {}
+
+    public static class NullProxy implements Proxy {}
+}