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Use marker armor stands

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Allows players to click through holograms for easier shop interaction.

Only available on 1.8.3 and higher
This commit is contained in:
Eric 2019-06-22 17:18:44 +02:00
parent 27083e5093
commit 0617d3bc1b
2 changed files with 52 additions and 41 deletions
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7
src/main/java/de/epiceric/shopchest/nms/ArmorStandWrapper.java
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@ -59,14 +59,15 @@ public class ArmorStandWrapper {
boolean isPre9 = Utils.getMajorVersion() < 9;
fields[0].set(packet, entityId);
double y = location.getY() + (Utils.getServerVersion().equals("v1_8_R1") ? 0 : 1.975);
if (isPre9) {
fields[1].set(packet, (int)(location.getX() * 32));
// 1.8.x armor stands need to be lifted by 1 block
fields[2].set(packet, (int)((location.getY() + 1) * 32));
fields[2].set(packet, (int)(y * 32));
fields[3].set(packet, (int)(location.getZ() * 32));
} else {
fields[1].set(packet, location.getX());
fields[2].set(packet, location.getY());
fields[2].set(packet, y);
fields[3].set(packet, location.getZ());
}
fields[4].set(packet, (byte) 0);

86
src/main/java/de/epiceric/shopchest/utils/Utils.java
View File

@ -376,76 +376,81 @@ public class Utils {
Class<?> dataWatcherClass = getNMSClass("DataWatcher");
Class<?> dataWatcherObjectClass = getNMSClass("DataWatcherObject");
byte flags = nmsItemStack == null ? (byte) (1 << 5) : 0; // invisible if armor stand
byte entityFlags = nmsItemStack == null ? (byte) 0b100000 : 0; // invisible if armor stand
byte armorStandFlags = nmsItemStack == null ? (byte) 0b10000 : 0; // marker (since 1.8_R2)
Object dataWatcher = dataWatcherClass.getConstructor(entityClass).newInstance((Object) null);
if (majorVersion < 9) {
if (getRevision() == 1) armorStandFlags = 0; // Marker not supported on 1.8_R1
Method a = dataWatcherClass.getMethod("a", int.class, Object.class);
a.invoke(dataWatcher, 0, flags); // flags
a.invoke(dataWatcher, 0, entityFlags); // flags
a.invoke(dataWatcher, 1, (short) 300); // air ticks (?)
a.invoke(dataWatcher, 3, (byte) (customName != null ? 1 : 0)); // custom name visible
a.invoke(dataWatcher, 2, customName != null ? customName : ""); // custom name
a.invoke(dataWatcher, 4, (byte) 1); // silent
a.invoke(dataWatcher, 10, nmsItemStack == null ? (byte) 1 : nmsItemStack); // item / no gravity
a.invoke(dataWatcher, 10, nmsItemStack == null ? armorStandFlags : nmsItemStack); // item / armor stand flags
} else {
Method register = dataWatcherClass.getMethod("register", dataWatcherObjectClass, Object.class);
String[] dataWatcherObjectFieldNames;
if ("v1_9_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"ax", "ay", "aA", "az", "aB", "a", "c"};
dataWatcherObjectFieldNames = new String[] {"ax", "ay", "aA", "az", "aB", "a", "c", "a"};
} else if ("v1_9_R2".equals(version)){
dataWatcherObjectFieldNames = new String[] {"ay", "az", "aB", "aA", "aC", "a", "c"};
dataWatcherObjectFieldNames = new String[] {"ay", "az", "aB", "aA", "aC", "a", "c", "a"};
} else if ("v1_10_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"aa", "az", "aB", "aA", "aC", "aD", "c"};
dataWatcherObjectFieldNames = new String[] {"aa", "az", "aB", "aA", "aC", "aD", "c", "a"};
} else if ("v1_11_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"Z", "az", "aB", "aA", "aC", "aD", "c"};
dataWatcherObjectFieldNames = new String[] {"Z", "az", "aB", "aA", "aC", "aD", "c", "a"};
} else if ("v1_12_R1".equals(version) || "v1_12_R2".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"Z", "aA", "aC", "aB", "aD", "aE", "c"};
dataWatcherObjectFieldNames = new String[] {"Z", "aA", "aC", "aB", "aD", "aE", "c", "a"};
} else if ("v1_13_R1".equals(version) || "v1_13_R2".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"ac", "aD", "aF", "aE", "aG", "aH", "b"};
dataWatcherObjectFieldNames = new String[] {"ac", "aD", "aF", "aE", "aG", "aH", "b", "a"};
} else if ("v1_14_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"W", "AIR_TICKS", "aA", "az", "aB", "aC", "ITEM"};
dataWatcherObjectFieldNames = new String[] {"W", "AIR_TICKS", "aA", "az", "aB", "aC", "ITEM", "b"};
} else {
return null;
}
Class<?> f6Class = majorVersion < 9 ? entityArmorStandClass : entityClass;
Field fEntityFlags = entityClass.getDeclaredField(dataWatcherObjectFieldNames[0]);
Field fAirTicks = entityClass.getDeclaredField(dataWatcherObjectFieldNames[1]);
Field fNameVisible = entityClass.getDeclaredField(dataWatcherObjectFieldNames[2]);
Field fCustomName = entityClass.getDeclaredField(dataWatcherObjectFieldNames[3]);
Field fSilent = entityClass.getDeclaredField(dataWatcherObjectFieldNames[4]);
Field fNoGravity = entityClass.getDeclaredField(dataWatcherObjectFieldNames[5]);
Field fItem = entityItemClass.getDeclaredField(dataWatcherObjectFieldNames[6]);
Field fArmorStandFlags = entityArmorStandClass.getDeclaredField(dataWatcherObjectFieldNames[7]);
Field f1 = entityClass.getDeclaredField(dataWatcherObjectFieldNames[0]);
Field f2 = entityClass.getDeclaredField(dataWatcherObjectFieldNames[1]);
Field f3 = entityClass.getDeclaredField(dataWatcherObjectFieldNames[2]);
Field f4 = entityClass.getDeclaredField(dataWatcherObjectFieldNames[3]);
Field f5 = entityClass.getDeclaredField(dataWatcherObjectFieldNames[4]);
Field f6 = f6Class.getDeclaredField(dataWatcherObjectFieldNames[5]);
Field f7 = entityItemClass.getDeclaredField(dataWatcherObjectFieldNames[6]);
f1.setAccessible(true);
f2.setAccessible(true);
f3.setAccessible(true);
f4.setAccessible(true);
f5.setAccessible(true);
f6.setAccessible(true);
f7.setAccessible(true);
fEntityFlags.setAccessible(true);
fAirTicks.setAccessible(true);
fNameVisible.setAccessible(true);
fCustomName.setAccessible(true);
fSilent.setAccessible(true);
fNoGravity.setAccessible(true);
fItem.setAccessible(true);
fArmorStandFlags.setAccessible(true);
register.invoke(dataWatcher, f1.get(null), flags); // flags
register.invoke(dataWatcher, f2.get(null), 300); // air ticks (?)
register.invoke(dataWatcher, f3.get(null), customName != null); // custom name visible
if (majorVersion < 13) register.invoke(dataWatcher, f4.get(null), customName != null ? customName : ""); // custom name
register.invoke(dataWatcher, f5.get(null), true); // silent
register.invoke(dataWatcher, fEntityFlags.get(null), entityFlags);
register.invoke(dataWatcher, fAirTicks.get(null), 300);
register.invoke(dataWatcher, fNameVisible.get(null), customName != null);
register.invoke(dataWatcher, fSilent.get(null), true);
if (majorVersion < 13) register.invoke(dataWatcher, fCustomName.get(null), customName != null ? customName : "");
if (nmsItemStack != null) {
register.invoke(dataWatcher, f7.get(null), majorVersion < 11 ? Optional.of(nmsItemStack) : nmsItemStack); // item
register.invoke(dataWatcher, fItem.get(null), majorVersion < 11 ? Optional.of(nmsItemStack) : nmsItemStack);
} else {
register.invoke(dataWatcher, fArmorStandFlags.get(null), armorStandFlags);
}
if (majorVersion >= 10 || nmsItemStack == null) {
register.invoke(dataWatcher, f6.get(null), true); // no gravity
register.invoke(dataWatcher, fNoGravity.get(null), true);
if (majorVersion >= 13) {
if (customName != null) {
Class<?> chatSerializerClass = Utils.getNMSClass("IChatBaseComponent$ChatSerializer");
Object iChatBaseComponent = chatSerializerClass.getMethod("a", String.class).invoke(null, JsonBuilder.parse(customName).toString());
register.invoke(dataWatcher, f4.get(null), Optional.of(iChatBaseComponent)); // custom name
register.invoke(dataWatcher, fCustomName.get(null), Optional.of(iChatBaseComponent));
} else {
register.invoke(dataWatcher, f4.get(null), Optional.empty()); // custom name
register.invoke(dataWatcher, fCustomName.get(null), Optional.empty());
}
}
}
@ -518,16 +523,21 @@ public class Utils {
entityType = entityTypesClass.getField(type == EntityType.ARMOR_STAND ? "ARMOR_STAND" : "ITEM").get(null);
}
double y = loc.getY();
if (type == EntityType.ARMOR_STAND && !getServerVersion().equals("v1_8_R1")) {
// Marker armor stand => lift by normal armor stand height
y += 1.975;
}
fields[0].set(packet, id);
if (!isPre9) fields[1].set(packet, uuid);
if (isPre9) {
fields[2].set(packet, (int)(loc.getX() * 32));
// 1.8.x armor stands need to be lifted by 1 block
fields[3].set(packet, (int)((loc.getY() + (type == EntityType.ARMOR_STAND ? 1 : 0)) * 32));
fields[3].set(packet, (int)(y * 32));
fields[4].set(packet, (int)(loc.getZ() * 32));
} else {
fields[2].set(packet, loc.getX());
fields[3].set(packet, loc.getY());
fields[3].set(packet, y);
fields[4].set(packet, loc.getZ());
}
fields[5].set(packet, 0);