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ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_9to1_8/metadata/MetaIndex.java

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/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2024 ViaVersion and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.viaversion.viaversion.protocols.protocol1_9to1_8.metadata;
import com.viaversion.viaversion.api.minecraft.entities.EntityType;
import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_8;
import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_8;
import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_9;
import com.viaversion.viaversion.util.Pair;
import java.util.HashMap;
import java.util.Optional;
import org.checkerframework.checker.nullness.qual.Nullable;
import static com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_8.EntityType.*;
// TODO, null fields need mappings
// TODO namings, i have no idea how to get good namings for this shit, but we need it at some point
// TODO, exception handling, check how 1.8 <-> 1.9 handles invalid/missing metadata, maybe we need defaults??
// TODO, entities are removing previous added metadata!!
// FIREBALL != ENTITY
// THROWABLE != ENTITY
// FALLING_BLOCK != ENTITY
// TNT_PRIMED != ENTITY
// ENDER_EYE != ENTITY
// ENTITY_HANGING != ENTITY
public enum MetaIndex {
// Entity
ENTITY_STATUS(ENTITY, 0, MetaType1_8.Byte, MetaType1_9.Byte),
ENTITY_AIR(ENTITY, 1, MetaType1_8.Short, MetaType1_9.VarInt),
ENTITY_ALWAYS_SHOW_NAMETAG(ENTITY, 3, MetaType1_8.Byte, MetaType1_9.Boolean),
ENTITY_NAMETAG(ENTITY, 2, MetaType1_8.String, MetaType1_9.String),
ENTITY_SILENT(ENTITY, 4, MetaType1_8.Byte, MetaType1_9.Boolean),
// Entity living base
ENTITY_LIVING_BASE_POTION_EFFECT_COLOR(ENTITY_LIVING_BASE, 7, MetaType1_8.Int, null),
ENTITY_LIVING_BASE_IS_POTION_AMBIENT(ENTITY_LIVING_BASE, 8, MetaType1_8.Byte, null),
ENTITY_LIVING_BASE_NUMBER_OF_ARROWS_IN(ENTITY_LIVING_BASE, 9, MetaType1_8.Byte, null),
ENTITY_LIVING_BASE_HEALTH(ENTITY_LIVING_BASE, 6, MetaType1_8.Float, null),
// Entity living
ENTITY_LIVING_NO_AI(ENTITY_LIVING, 15, MetaType1_8.Byte, null), // todo, new index
// Entity ageable
ENTITY_AGEABLE_AGE(ENTITY_AGEABLE, 12, MetaType1_8.Byte, null), // todo, new index
// Horse
HORSE_INFO(HORSE, 16, MetaType1_8.Int, null), // todo, new index
HORSE_TYPE(HORSE, 19, MetaType1_8.Byte, null),
HORSE_SUBTYPE(HORSE, 20, MetaType1_8.Int, null),
HORSE_OWNER(HORSE, 21, MetaType1_8.String, null),
HORSE_ARMOR(HORSE, 22, MetaType1_8.Int, null),
// Rabbit
RABBIT_TYPE(RABBIT, 18, MetaType1_8.Byte, null), // todo, new index
// Entity tameable
TAMING_INFO(ENTITY_TAMEABLE, 16, MetaType1_8.Byte, null), // todo, new index
TAMING_OWNER(ENTITY_TAMEABLE, 17, MetaType1_8.String, null),
// Wolf
WOLF_HEALTH(WOLF, 18, MetaType1_8.Float, null), // todo, new index
WOLF_BEGGING(WOLF, 19, MetaType1_8.Byte, null),
WOLF_COLLAR(WOLF, 20, MetaType1_8.Byte, null),
// Ocelot
OCELOT_TYPE(OCELOT, 18, MetaType1_8.Byte, null), // todo, new index
// Pig
PIG_SADDLE(PIG, 16, MetaType1_8.Byte, null), // todo, new index
// TODO: new index mappings, can we have anything in that enum?
// Sheep
SHEEP_COLOR(SHEEP, 16, MetaType1_8.Byte, null),
// Villager
VILLAGER_PROFESSION(VILLAGER, 16, MetaType1_8.Int, null),
// Guardian
GUARDIAN_INFO(GUARDIAN, 16, MetaType1_8.Int, null),
GUARDIAN_TARGET(GUARDIAN, 17, MetaType1_8.Int, null),
// Zombie
ZOMBIE_IS_CHILD(ZOMBIE, 12, MetaType1_8.Byte, null),
ZOMBIE_IS_VILLAGER(ZOMBIE, 13, MetaType1_8.Byte, null),
ZOMBIE_IS_CONVERTING(ZOMBIE, 14, MetaType1_8.Byte, null),
// Enderman
ENDERMAN_BLOCKSTATE(ENDERMAN, 16, MetaType1_8.Short, null),
ENDERMAN_BLOCKDATA(ENDERMAN, 17, MetaType1_8.Byte, null), // todo special check this
ENDERMAN_IS_SCREAMING(ENDERMAN, 18, MetaType1_8.Byte, null),
// Spider
SPIDER_CIMBING(SPIDER, 16, MetaType1_8.Byte, null),
// Creeper
CREEPER_FUSE(CREEPER, 16, MetaType1_8.Byte, null),
CREEPER_IS_POWERED(CREEPER, 17, MetaType1_8.Byte, null),
CREEPER_IS_IGNITED(CREEPER, 18, MetaType1_8.Byte, null),
// Skeleton
SKELETON_TYPE(SKELETON, 13, MetaType1_8.Byte, null),
// Witch
WITCH_AGGRO(WITCH, 21, MetaType1_8.Byte, null),
// Blaze
BLAZE_ON_FIRE(BLAZE, 16, MetaType1_8.Byte, null),
// Wither
WITHER_TARGET1(WITHER, 17, MetaType1_8.Int, null),
WITHER_TARGET2(WITHER, 18, MetaType1_8.Int, null),
WITHER_TARGET3(WITHER, 19, MetaType1_8.Int, null),
WITHER_INVULN_TIME(WITHER, 20, MetaType1_8.Int, null),
// Iron golem
IRON_PLAYER_MADE(IRON_GOLEM, 16, MetaType1_8.Byte, null),
// Slime
SLIME_SIZE(SLIME, 16, MetaType1_8.Byte, null),
// Bat
BAT_IS_HANGING(BAT, 16, MetaType1_8.Byte, null),
// Ghast
GHAST_IS_ATTACKING(GHAST, 16, MetaType1_8.Byte, null),
// Armor Stand
ARMOR_STAND_INFO(ARMOR_STAND, 10, MetaType1_8.Byte, null),
ARMOR_STAND_HEAD_POS(ARMOR_STAND, 11, MetaType1_8.Rotation, null),
ARMOR_STAND_BODY_POS(ARMOR_STAND, 12, MetaType1_8.Rotation, null),
ARMOR_STAND_LEFT_ARM_POS(ARMOR_STAND, 13, MetaType1_8.Rotation, null),
ARMOR_STAND_RIGHT_ARM_POS(ARMOR_STAND, 14, MetaType1_8.Rotation, null),
ARMOR_STAND_LEFT_LEG_POS(ARMOR_STAND, 15, MetaType1_8.Rotation, null),
ARMOR_STAND_RIGHT_LEG_POS(ARMOR_STAND, 16, MetaType1_8.Rotation, null),
// Player
ENTITY_PLAYER_HUMAN_BYTE(ENTITY_PLAYER, 16, MetaType1_8.Byte, null),
ENTITY_PLAYER_ADDITIONAL_HEARTS(ENTITY_PLAYER, 17, MetaType1_8.Float, null),
ENTITY_PLAYER_SCORE(ENTITY_PLAYER, 18, MetaType1_8.Int, null),
ENTITY_PLAYER_SKIN_FLAGS(ENTITY_PLAYER, 10, MetaType1_8.Byte, null),
// Wither skull
WITHER_SKULL_INVULN(WITHER_SKULL, 10, MetaType1_8.Byte, null),
// Arrow
ARROW_IS_CRIT(ARROW, 16, MetaType1_8.Byte, null),
// Ender crystal
ENDER_CRYSTAL_HEALTH(ENDER_CRYSTAL, 8, MetaType1_8.Int, null), // null is correct here, throw away data....
// Firework
FIREWORK_ROCKET_INFO(FIREWORK_ROCKET, 8, MetaType1_8.Slot, null), // TODO, what does addByType?
// Boat
BOAT_SINCE_HIT(BOAT, 17, MetaType1_8.Int, null),
BOAT_FORWARD_DIRECTION(BOAT, 18, MetaType1_8.Int, null),
BOAT_DAMAGE_TAKEN(BOAT, 19, MetaType1_8.Float, null),
// Dropped item
ITEM_ITEM(ITEM, 10, MetaType1_8.Slot, null), // TODO, what does addByType?
// Minecarts
MINECART_ABSTRACT_SHAKING_POWER(MINECART_ABSTRACT, 17, MetaType1_8.Int, null),
MINECART_ABSTRACT_SHAKING_DIRECTION(MINECART_ABSTRACT, 18, MetaType1_8.Int, null),
MINECART_ABSTRACT_DAMAGE_TAKEN(MINECART_ABSTRACT, 19, MetaType1_8.Float, null),
MINECART_ABSTRACT_BLOCK(MINECART_ABSTRACT, 20, MetaType1_8.Int, null),
MINECART_ABSTRACT_BLOCK_Y(MINECART_ABSTRACT, 21, MetaType1_8.Int, null),
MINECART_ABSTRACT_SHOW_BLOCK(MINECART_ABSTRACT, 22, MetaType1_8.Byte, null),
MINECART_COMMAND_BLOCK_COMMAND(MINECART_COMMAND_BLOCK, 23, MetaType1_8.String, null),
MINECART_COMMAND_BLOCK_COMMAND_OUTPUT(MINECART_COMMAND_BLOCK, 24, MetaType1_8.String, null),
MINECART_FURNACE_IS_POWERED(MINECART_FURNACE, 16, MetaType1_8.Byte, null),
// Item frame
ITEM_FRAME_ITEM(ITEM_FRAME, 8, MetaType1_8.Slot, null), // TODO, what does addByType?
ITEM_FRAME_ROTATION(ITEM_FRAME, 9, MetaType1_8.Byte, null);
private static final HashMap<Pair<EntityTypes1_8.EntityType, Integer>, MetaIndex> metadataRewrites = new HashMap<>();
static {
for (MetaIndex index : MetaIndex.values())
metadataRewrites.put(new Pair<>(index.clazz, index.index), index);
}
private final EntityTypes1_8.EntityType clazz;
private final int newIndex;
private final MetaType1_9 newType;
private final MetaType1_8 oldType;
private final int index;
MetaIndex(EntityTypes1_8.EntityType type, int index, MetaType1_8 oldType, @Nullable MetaType1_9 newType) {
this.clazz = type;
this.index = index;
this.newIndex = index;
this.oldType = oldType;
this.newType = newType;
}
MetaIndex(EntityTypes1_8.EntityType type, int index, MetaType1_8 oldType, int newIndex, @Nullable MetaType1_9 newType) {
this.clazz = type;
this.index = index;
this.oldType = oldType;
this.newIndex = newIndex;
this.newType = newType;
}
public EntityTypes1_8.EntityType getClazz() {
return clazz;
}
public int getNewIndex() {
return newIndex;
}
public @Nullable MetaType1_9 getNewType() {
return newType;
}
public MetaType1_8 getOldType() {
return oldType;
}
public int getIndex() {
return index;
}
private static Optional<MetaIndex> getIndex(EntityType type, int index) {
Pair pair = new Pair<>(type, index);
return Optional.ofNullable(metadataRewrites.get(pair));
}
public static MetaIndex searchIndex(EntityType type, int index) {
EntityType currentType = type;
do {
Optional<MetaIndex> optMeta = getIndex(currentType, index);
if (optMeta.isPresent()) {
return optMeta.get();
}
currentType = currentType.getParent();
} while (currentType != null);
return null;
}
}
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