/*
 * Copyright 2016 FabricMC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.fabricmc.base.mixin.client;

import net.fabricmc.base.Fabric;
import net.fabricmc.base.client.ClientSidedHandler;
import net.fabricmc.base.loader.Loader;
import net.minecraft.client.MinecraftGame;
import org.lwjgl.LWJGLException;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Overwrite;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;

import java.io.File;

@Mixin(value = MinecraftGame.class)
public class MixinMinecraftGame {

	@Inject(method = "init", at = @At("HEAD"))
	public void init(CallbackInfo info) {
		Fabric.initialize(MinecraftGame.getInstance().runDirectory, new ClientSidedHandler());
		Loader.INSTANCE.load(new File(MinecraftGame.getInstance().runDirectory, "mods"));
	}

	@Overwrite
	private void createDisplay() throws LWJGLException {
		// FabricClientTweaker already created the display, so dummy out this method
	}

	@Overwrite
	private void setDisplayMode() throws LWJGLException {
		//nope
	}
}

/*
 * Copyright 2016 FabricMC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.fabricmc.base.mixin.client;

import net.fabricmc.base.Fabric;
import net.fabricmc.base.client.ClientSidedHandler;
import net.fabricmc.base.loader.Loader;
import net.minecraft.client.MinecraftGame;
import org.lwjgl.LWJGLException;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Overwrite;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;

import java.io.File;

@Mixin(value = MinecraftGame.class)
public class MixinMinecraftGame {

	@Inject(method = "init", at = @At("HEAD"))
	public void init(CallbackInfo info) {
		Fabric.initialize(MinecraftGame.getInstance().runDirectory, new ClientSidedHandler());
		Loader.INSTANCE.load(new File(MinecraftGame.getInstance().runDirectory, "mods"));
	}

	@Inject(method = "createDisplay", at = @At("HEAD"), cancellable = true)
	private void createDisplay(CallbackInfo info) throws LWJGLException {
		// FabricClientTweaker already created the display, so dummy out this method
		info.cancel();
	}

	@Inject(method = "setDisplayMode", at = @At("HEAD"), cancellable = true)
	private void setDisplayMode(CallbackInfo info) throws LWJGLException {
		//nope
		info.cancel();
	}
}

Use @Inject so it gets remapped with the refmap, this needs looking into at some point