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35 changes: 35 additions & 0 deletions
35
src/test/java/com/elytradev/movingworld/common/experiments/interact/ContainerChecks.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package com.elytradev.movingworld.common.experiments.interact; | ||
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| import net.minecraft.client.Minecraft; | ||
| import net.minecraft.client.gui.inventory.GuiContainer; | ||
| import net.minecraft.entity.player.EntityPlayer; | ||
| import net.minecraft.inventory.Container; | ||
| import net.minecraftforge.fml.relauncher.Side; | ||
| import net.minecraftforge.fml.relauncher.SideOnly; | ||
| import net.sf.cglib.proxy.Enhancer; | ||
|
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| /** | ||
| * Created by darkevilmac on 3/14/2017. | ||
| */ | ||
| public class ContainerChecks { | ||
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| @SideOnly(Side.CLIENT) | ||
| public static void checkCurrentScreen(EntityPlayer player, Minecraft mc) { | ||
| if (mc.currentScreen != null && mc.currentScreen instanceof GuiContainer) { | ||
| if (player.openContainer != null && !Enhancer.isEnhanced(player.openContainer.getClass())) { | ||
| System.out.println("Setting current screen slots."); | ||
| ((GuiContainer) mc.currentScreen).inventorySlots = player.openContainer; | ||
| } | ||
| } | ||
| } | ||
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| public static void checkContainer(EntityPlayer player) { | ||
| if (player.openContainer != null | ||
| && player.openContainer != player.inventoryContainer | ||
| && !Enhancer.isEnhanced(player.openContainer.getClass())) { | ||
| System.out.println("Making container proxy... " + player.openContainer); | ||
| player.openContainer = (Container) ContainerInterceptor.createProxy(player.openContainer); | ||
| System.out.println("Proxy made... " + player.openContainer); | ||
| } | ||
| } | ||
| } |
82 changes: 82 additions & 0 deletions
82
...test/java/com/elytradev/movingworld/common/experiments/interact/ContainerInterceptor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| package com.elytradev.movingworld.common.experiments.interact; | ||
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| import com.elytradev.movingworld.client.experiments.EntityPlayerSPProxy; | ||
| import net.minecraft.client.entity.EntityPlayerSP; | ||
| import net.minecraft.entity.player.EntityPlayer; | ||
| import net.minecraft.entity.player.EntityPlayerMP; | ||
| import net.minecraft.inventory.Container; | ||
| import net.sf.cglib.proxy.Callback; | ||
| import net.sf.cglib.proxy.Enhancer; | ||
| import net.sf.cglib.proxy.MethodInterceptor; | ||
| import net.sf.cglib.proxy.MethodProxy; | ||
| import org.apache.commons.lang3.reflect.FieldUtils; | ||
| import org.objenesis.ObjenesisHelper; | ||
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|
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| import java.lang.reflect.Field; | ||
| import java.lang.reflect.Method; | ||
|
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| /** | ||
| * Pretty much entirely magic, really horrible code that | ||
| */ | ||
| public class ContainerInterceptor implements MethodInterceptor { | ||
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| public static Object createProxy(Object realObject) { | ||
| MethodInterceptor interceptor = new ContainerInterceptor(); | ||
| Enhancer e = new Enhancer(); | ||
| e.setUseCache(false); | ||
| e.setSuperclass(realObject.getClass()); | ||
| e.setCallbackType(interceptor.getClass()); | ||
| Class classForProxy = e.createClass(); | ||
| Enhancer.registerCallbacks(classForProxy, new Callback[]{interceptor}); | ||
| Object createdProxy = ObjenesisHelper.newInstance(classForProxy); | ||
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| // Attempt to move data to prevent inital NPEs. We're also instantiating from absolutely nothing so this is probably the best thing we can do... | ||
| try { | ||
| for (Field realField : FieldUtils.getAllFieldsList(realObject.getClass())) { | ||
| realField.setAccessible(true); | ||
| Field proxyField = FieldUtils.getField(createdProxy.getClass(), realField.getName(), true); | ||
| proxyField.set(createdProxy, realField.get(realObject)); | ||
| } | ||
| } catch (Throwable t) { | ||
| t.printStackTrace(); | ||
| } | ||
| // Done. | ||
|
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| return createdProxy; | ||
| } | ||
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| private EntityPlayer getProxy(Object[] args) { | ||
| Object arg0 = null; | ||
| if (args.length != 0) { | ||
| arg0 = args[0]; | ||
| } | ||
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| if (arg0 != null && arg0 instanceof EntityPlayer) { | ||
| EntityPlayer playerProxy = null; | ||
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| EntityPlayer playerIn = (EntityPlayer) arg0; | ||
| if (playerIn instanceof EntityPlayerMP && EntityPlayerMPProxy.PROXIES.containsKey(playerIn.getGameProfile())) { | ||
| playerProxy = (EntityPlayerMPProxy.PROXIES.get(playerIn.getGameProfile())); | ||
| } else if (playerIn instanceof EntityPlayerSP && EntityPlayerSPProxy.PROXIES.containsKey(playerIn.getGameProfile())) { | ||
| playerProxy = (EntityPlayerSPProxy.PROXIES.get(playerIn.getGameProfile())); | ||
| } | ||
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| return playerProxy; | ||
| } | ||
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| return null; | ||
| } | ||
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| @Override | ||
| public Object intercept(Object obj, Method method, Object[] args, MethodProxy methodProxy) throws Throwable { | ||
| if (obj instanceof Container && ( | ||
| method.getName().equals("canInteractWith") | ||
| || method.getName().equals("func_75145_c"))) { | ||
| EntityPlayer proxyPlayer = getProxy(args); | ||
| Boolean proxyCan = proxyPlayer != null ? (Boolean) methodProxy.invokeSuper(obj, new Object[]{proxyPlayer}) : false; | ||
| return proxyCan || (Boolean) methodProxy.invokeSuper(obj, args); | ||
| } | ||
|
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| return methodProxy.invokeSuper(obj, args); | ||
| } | ||
| } |
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