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support glowstone (maybe)

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Luck 2017-04-20 19:15:37 +01:00
parent 9715c5394c
commit 867ba24c6c
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GPG Key ID: EFA9B3EC5FD90F8B
1 changed files with 36 additions and 17 deletions
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53
bukkit/src/main/java/me/lucko/luckperms/bukkit/model/Injector.java
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@ -46,32 +46,46 @@ import java.util.concurrent.ConcurrentHashMap;
public class Injector {
private static final Map<UUID, LPPermissible> INJECTED_PERMISSIBLES = new ConcurrentHashMap<>();
private static Field HUMAN_ENTITY_FIELD;
private static Field PERMISSIBLEBASE_ATTACHMENTS;
private static Field humanEntityField;
private static Field permissibleAttachmentsField;
private static Throwable cachedThrowable = null;
static {
try {
HUMAN_ENTITY_FIELD = Class.forName(getVersionedClassName("entity.CraftHumanEntity")).getDeclaredField("perm");
HUMAN_ENTITY_FIELD.setAccessible(true);
try {
// craftbukkit
humanEntityField = Class.forName(getVersionedClassName("entity.CraftHumanEntity")).getDeclaredField("perm");
humanEntityField.setAccessible(true);
} catch (Exception e) {
// glowstone
humanEntityField = Class.forName("net.glowstone.entity.GlowHumanEntity").getDeclaredField("permissions");
humanEntityField.setAccessible(true);
}
PERMISSIBLEBASE_ATTACHMENTS = PermissibleBase.class.getDeclaredField("attachments");
PERMISSIBLEBASE_ATTACHMENTS.setAccessible(true);
permissibleAttachmentsField = PermissibleBase.class.getDeclaredField("attachments");
permissibleAttachmentsField.setAccessible(true);
} catch (Exception e) {
e.printStackTrace();
} catch (Throwable t) {
cachedThrowable = t;
t.printStackTrace();
}
}
public static boolean inject(Player player, LPPermissible lpPermissible) {
if (cachedThrowable != null) {
cachedThrowable.printStackTrace();
return false;
}
try {
PermissibleBase existing = (PermissibleBase) HUMAN_ENTITY_FIELD.get(player);
PermissibleBase existing = (PermissibleBase) humanEntityField.get(player);
if (existing instanceof LPPermissible) {
// uh oh
throw new IllegalStateException("LPPermissible already injected into player " + player.toString());
}
// Move attachments over from the old permissible.
List<PermissionAttachment> attachments = (List<PermissionAttachment>) PERMISSIBLEBASE_ATTACHMENTS.get(existing);
List<PermissionAttachment> attachments = (List<PermissionAttachment>) permissibleAttachmentsField.get(existing);
lpPermissible.addAttachments(attachments);
attachments.clear();
existing.clearPermissions();
@ -82,7 +96,7 @@ public class Injector {
lpPermissible.updateSubscriptionsAsync();
HUMAN_ENTITY_FIELD.set(player, lpPermissible);
humanEntityField.set(player, lpPermissible);
INJECTED_PERMISSIBLES.put(player.getUniqueId(), lpPermissible);
return true;
} catch (Exception e) {
@ -92,8 +106,13 @@ public class Injector {
}
public static boolean unInject(Player player, boolean dummy, boolean unsubscribe) {
if (cachedThrowable != null) {
cachedThrowable.printStackTrace();
return false;
}
try {
PermissibleBase permissible = (PermissibleBase) HUMAN_ENTITY_FIELD.get(player);
PermissibleBase permissible = (PermissibleBase) humanEntityField.get(player);
if (permissible instanceof LPPermissible) {
permissible.clearPermissions();
@ -105,7 +124,7 @@ public class Injector {
((LPPermissible) permissible).getActive().set(false);
if (dummy) {
HUMAN_ENTITY_FIELD.set(player, new DummyPermissibleBase());
humanEntityField.set(player, new DummyPermissibleBase());
} else {
LPPermissible lpp = ((LPPermissible) permissible);
List<PermissionAttachment> attachments = lpp.getAttachments();
@ -115,11 +134,11 @@ public class Injector {
newPb = new PermissibleBase(player);
}
List<PermissionAttachment> newAttachments = (List<PermissionAttachment>) PERMISSIBLEBASE_ATTACHMENTS.get(newPb);
List<PermissionAttachment> newAttachments = (List<PermissionAttachment>) permissibleAttachmentsField.get(newPb);
newAttachments.addAll(attachments);
attachments.clear();
HUMAN_ENTITY_FIELD.set(player, newPb);
humanEntityField.set(player, newPb);
}
}
INJECTED_PERMISSIBLES.remove(player.getUniqueId());
@ -134,10 +153,10 @@ public class Injector {
return INJECTED_PERMISSIBLES.get(uuid);
}
private static String getVersionedClassName(String className) {
private static String getVersionedClassName(String className) throws ClassNotFoundException {
Class server = Bukkit.getServer().getClass();
if (!server.getSimpleName().equals("CraftServer")) {
throw new RuntimeException("Couldn't inject into server " + server);
throw new ClassNotFoundException("Couldn't inject into server " + server);
}
String version;