Implement boiletplate for loading by forge

src/fml/java/com/minelittlepony/client/Config.java

@@ -0,0 +1,62 @@
+package com.minelittlepony.client;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonWriter;
+import com.minelittlepony.client.settings.ClientPonyConfig;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+
+class Config extends ClientPonyConfig {
+    static final Gson gson = new GsonBuilder()
+            .setPrettyPrinting()
+            .excludeFieldsWithoutExposeAnnotation()
+            .create();
+
+    private final File configFile;
+
+    Config(File file) {
+        configFile = file;
+    }
+
+    @Override
+    public void save() {
+        if (configFile.exists()) {
+            configFile.delete();
+        }
+
+        try (JsonWriter writer = new JsonWriter(new OutputStreamWriter(new FileOutputStream(configFile)))) {
+            writer.setIndent("    ");
+
+            gson.toJson(this, Config.class, writer);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    static Config of(File file) {
+        Config result = null;
+
+        if (file.exists()) {
+            try (FileInputStream s = new FileInputStream(file)) {
+                result = gson.fromJson(new JsonReader(new InputStreamReader(s)), Config.class);
+            } catch (IOException ignored) {
+                result = null;
+            }
+        }
+
+        if (result == null) {
+            result = new Config(file);
+        }
+
+        result.save();
+
+        return result;
+    }
+}

src/fml/java/com/minelittlepony/client/ForgeModMineLittlePony.java

@@ -0,0 +1,72 @@
+package com.minelittlepony.client;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.entity.Render;
+import net.minecraft.client.renderer.tileentity.TileEntityRenderer;
+import net.minecraft.entity.Entity;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.client.registry.ClientRegistry;
+import net.minecraftforge.fml.client.registry.RenderingRegistry;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.gameevent.TickEvent.ClientTickEvent;
+import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
+import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
+import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
+
+import com.minelittlepony.client.IModUtilities;
+import com.minelittlepony.client.MineLPClient;
+
+import java.io.File;
+
+@Mod("minelittlepony")
+public class ForgeModMineLittlePony implements IModUtilities {
+
+    private final MineLPClient mlp = new MineLPClient(this);
+
+    public ForgeModMineLittlePony() {
+        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::init);
+        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::posInit);
+        MinecraftForge.EVENT_BUS.register(this);
+    }
+
+    private void init(final FMLCommonSetupEvent event) {
+
+        // TODO: I don't know what forge did with `event.getModConfigurationDirectory()` but it's not where it used to be.
+
+        File configDirectory = new File(Minecraft.getInstance().getFileResourcePacks().getParentFile(), "config");
+        File configFile = new File(configDirectory, "minelittlepony.json");
+
+        mlp.init(Config.of(configFile));
+    }
+
+    private void posInit(FMLClientSetupEvent event) {
+        mlp.postInit(event.getMinecraftSupplier().get());
+    }
+
+    @SubscribeEvent
+    public void onClientTick(ClientTickEvent event) {
+        mlp.onTick(Minecraft.getInstance(), Minecraft.getInstance().world != null);
+    }
+
+    @Override
+    public <T extends TileEntity> void addRenderer(Class<T> type, TileEntityRenderer<T> renderer) {
+        ClientRegistry.bindTileEntitySpecialRenderer(type, renderer);
+    }
+
+    @Override
+    public <T extends Entity> void addRenderer(Class<T> type, Render<T> renderer) {
+        RenderingRegistry.registerEntityRenderingHandler(type, rm -> renderer);
+    }
+
+    @Override
+    public boolean hasFml() {
+        return true;
+    }
+
+    @Override
+    public float getRenderPartialTicks() {
+        return Minecraft.getInstance().getRenderPartialTicks();
+    }
+}