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Markers as hologams

This commit is contained in:
Gatt 2020-07-17 14:28:35 +10:00
parent e909f28193
commit e2184167f3
1 changed files with 20 additions and 1 deletions
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21
api/src/main/java/net/jitse/npclib/hologram/Hologram.java
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@ -8,6 +8,7 @@ import com.comphenix.tinyprotocol.Reflection;
import net.jitse.npclib.internal.MinecraftVersion;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.entity.ArmorStand;
import org.bukkit.entity.Player;
import java.util.ArrayList;
@ -25,6 +26,9 @@ public class Hologram {
private static final Class<?> ENTITY_CLASS = Reflection.getMinecraftClass("Entity");
private static final Class<?> CRAFT_WORLD_CLASS = Reflection.getCraftBukkitClass("CraftWorld");
private static final Class<?> CRAFT_PLAYER_CLASS = Reflection.getCraftBukkitClass("entity.CraftPlayer");
private static final Class<?> BUKKIT_ENTITY_ARMOR_STAND_CLASS = Reflection.getClass("org.bukkit.entity.ArmorStand");
private static final Class<?> PACKET_PLAY_OUT_SPAWN_ENTITY_LIVING_CLASS = Reflection.getMinecraftClass(
"PacketPlayOutSpawnEntityLiving");
private static final Class<?> PACKET_PLAY_OUT_ENTITY_DESTROY_CLASS = Reflection.getMinecraftClass(
@ -61,6 +65,10 @@ public class Hologram {
"setBasePlate", boolean.class);
private static final Reflection.MethodInvoker SET_ARMS_METHOD = Reflection.getMethod(ENTITY_ARMOR_STAND_CLASS,
"setArms", boolean.class);
private static final Reflection.MethodInvoker GET_BUKKIT_ENTITY = Reflection.getMethod(ENTITY_ARMOR_STAND_CLASS,
"getBukkitEntity");
private static final Reflection.MethodInvoker PLAYER_GET_HANDLE_METHOD = Reflection.getMethod(CRAFT_PLAYER_CLASS,
"getHandle");
private static final Reflection.MethodInvoker SEND_PACKET_METHOD = Reflection.getMethod(PLAYER_CONNECTION_CLASS,
@ -96,12 +104,16 @@ public class Hologram {
Reflection.getMethod(ENTITY_CLASS, "setNoGravity", boolean.class) :
Reflection.getMethod(ENTITY_ARMOR_STAND_CLASS, "setGravity", boolean.class));
Reflection.MethodInvoker SET_MARKER_METHOD = (version.isAboveOrEqual(MinecraftVersion.V1_8_R3) ?
Reflection.getMethod(BUKKIT_ENTITY_ARMOR_STAND_CLASS,
"setMarker", boolean.class) : null);
Reflection.MethodInvoker customNameMethod = Reflection.getMethod(ENTITY_CLASS, "setCustomName",
version.isAboveOrEqual(MinecraftVersion.V1_13_R1) ? CHAT_BASE_COMPONENT_CLASS : String.class);
Reflection.MethodInvoker customNameVisibilityMethod = Reflection.getMethod(ENTITY_CLASS, "setCustomNameVisible", boolean.class);
Location location = start.clone().add(0, DELTA * text.size(), 0);
Location location = start.clone().add(0, (DELTA * text.size()) + (SET_MARKER_METHOD != null ? 1f : 0f), 0); // markers drop the armor stand's nametag by around 1 block
Class<?> worldClass = worldServer.getClass().getSuperclass();
if (start.getWorld().getEnvironment() != World.Environment.NORMAL) {
@ -144,12 +156,19 @@ public class Hologram {
SET_BASE_PLATE_METHOD.invoke(entityArmorStand, false);
SET_ARMS_METHOD.invoke(entityArmorStand, false);
if (SET_MARKER_METHOD != null) { // setMarker isn't a method in 1.8_R2, so still check if it exists in the first place.
Object bukkitEntity = GET_BUKKIT_ENTITY.invoke(entityArmorStand); // if it does, grab the Bukkit Entity
ArmorStand as = (ArmorStand)bukkitEntity; // reflection wasn't working here for some reason- just using a regular ArmorStand object since it's not version-dependent.
as.setMarker(true); // set the marker state
}
armorStands.add(entityArmorStand);
// Create and add the associated show and hide packets.
showPackets.add(PACKET_PLAY_OUT_SPAWN_ENTITY_LIVING_CONSTRUCTOR.invoke(entityArmorStand));
hidePackets.add(PACKET_PLAY_OUT_ENTITY_DESTROY_CONSTRUCTOR
.invoke(new int[]{(int) GET_ID_METHOD.invoke(entityArmorStand)}));
// For 1.15 R1 and up.
metaPackets.add(PACKET_PLAY_OUT_ENTITY_METADATA_CONSTRUCTOR.invoke(
GET_ID_METHOD.invoke(entityArmorStand),