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Add FakeItem implementation in reflection

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This commit is contained in:
Flowsqy 2021-12-29 21:07:26 +01:00
parent 4ada3fbbe6
commit 7410f2088d
2 changed files with 56 additions and 2 deletions
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2
nms/reflection/src/main/java/de/epiceric/shopchest/nms/reflection/FakeEntityImpl.java
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@ -7,7 +7,7 @@ import org.inventivetalent.reflection.resolver.minecraft.NMSClassResolver;
public abstract class FakeEntityImpl implements FakeEntity {
protected final NMSClassResolver nmsClassResolver = new NMSClassResolver();
private final Class<?> packetPlayOutEntityDestroyClass = nmsClassResolver.resolveSilent("network.protocol.game.PacketPlayOutEntityDestroy");
protected final Class<?> packetPlayOutEntityDestroyClass = nmsClassResolver.resolveSilent("network.protocol.game.PacketPlayOutEntityDestroy");
protected final Class<?> packetPlayOutEntityMetadataClass = nmsClassResolver.resolveSilent("network.protocol.game.PacketPlayOutEntityMetadata");
protected final Class<?> dataWatcherClass = nmsClassResolver.resolveSilent("network.syncher.DataWatcher");

56
nms/reflection/src/main/java/de/epiceric/shopchest/nms/reflection/FakeItemImpl.java
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@ -1,22 +1,76 @@
package de.epiceric.shopchest.nms.reflection;
import de.epiceric.shopchest.nms.FakeItem;
import org.bukkit.Location;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.inventivetalent.reflection.resolver.minecraft.OBCClassResolver;
import java.util.UUID;
public class FakeItemImpl extends FakeEntityImpl implements FakeItem {
private final OBCClassResolver obcClassResolver = new OBCClassResolver();
private final Class<?> packetPlayOutEntityVelocityClass = nmsClassResolver.resolveSilent("network.protocol.game.PacketPlayOutEntityVelocity");
private final Class<?> vec3dClass = nmsClassResolver.resolveSilent("world.phys.Vec3D");
private final Class<?> craftItemStackClass = obcClassResolver.resolveSilent("inventory.CraftItemStack");
public FakeItemImpl(ShopChestDebug debug) {
super(debug);
Class<?> nmsItemStackClass = nmsClassResolver.resolveSilent("world.item.ItemStack");
Class<?>[] requiredClasses = new Class<?>[] {
nmsItemStackClass, craftItemStackClass, packetPlayOutEntityMetadataClass, dataWatcherClass,
packetPlayOutEntityDestroyClass, packetPlayOutEntityVelocityClass,
};
for (Class<?> c : requiredClasses) {
if (c == null) {
debug.debug("Failed to create shop item: Could not find all required classes");
return;
}
}
}
@Override
public void sendData(ItemStack item, Iterable<Player> receivers) {
try {
Object nmsItemStack = craftItemStackClass.getMethod("asNMSCopy", ItemStack.class).invoke(null, item);
Object dataWatcher = ReflectionUtils.createDataWatcher(debug, null, nmsItemStack);
for (Player receiver : receivers) {
ReflectionUtils.sendPacket(debug, packetPlayOutEntityMetadataClass.getConstructor(int.class, dataWatcherClass, boolean.class).newInstance(entityId, dataWatcher, true), receiver);
}
}catch (ReflectiveOperationException e){
// TODO Handle this properly
throw new RuntimeException(e);
}
}
@Override
public void resetVelocity(Iterable<Player> receivers) {
try{
Object velocityPacket;
if (ReflectionUtils.getMajorVersion() < 14) {
velocityPacket = packetPlayOutEntityVelocityClass.getConstructor(int.class, double.class, double.class, double.class).newInstance(entityId, 0D, 0D, 0D);
} else {
Object vec3d = vec3dClass.getConstructor(double.class, double.class, double.class).newInstance(0D, 0D, 0D);
velocityPacket = packetPlayOutEntityVelocityClass.getConstructor(int.class, vec3dClass).newInstance(entityId, vec3d);
}
for(Player receiver : receivers) {
ReflectionUtils.sendPacket(debug, velocityPacket, receiver);
}
}catch (ReflectiveOperationException e){
// TODO Handle this properly
throw new RuntimeException(e);
}
}
@Override
public void spawn(UUID uuid, Location location, Iterable<Player> receivers) {
for(Player receiver : receivers) {
ReflectionUtils.sendPacket(debug, ReflectionUtils.createPacketSpawnEntity(debug, entityId, uuid, location, EntityType.DROPPED_ITEM), receiver);
}
}
}