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Mirror von https://github.com/ViaVersion/ViaBackwards.git synchronisiert 2024-12-26 16:12:43 +01:00
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Handle data->pitch/yaw item frame rotation change in 1.17->1.16.4 (#848)

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EnZaXD 2024-08-02 10:29:54 +02:00 committet von GitHub
Ursprung 24f994ff2a
Commit a0d063d93e
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common/src/main/java/com/viaversion/viabackwards/protocol/v1_17to1_16_4/rewriter/EntityPacketRewriter1_17.java
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@ -22,6 +22,7 @@ import com.viaversion.viabackwards.api.rewriters.EntityRewriter;
import com.viaversion.viabackwards.protocol.v1_17to1_16_4.Protocol1_17To1_16_4;
import com.viaversion.viaversion.api.minecraft.Particle;
import com.viaversion.viaversion.api.minecraft.entities.EntityType;
import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_16_2;
import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_17;
import com.viaversion.viaversion.api.minecraft.entitydata.EntityDataType;
import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
@ -50,6 +51,29 @@ public final class EntityPacketRewriter1_17 extends EntityRewriter<ClientboundPa
registerTracker(ClientboundPackets1_17.ADD_PLAYER, EntityTypes1_17.PLAYER);
registerSetEntityData(ClientboundPackets1_17.SET_ENTITY_DATA, Types1_17.ENTITY_DATA_LIST, Types1_16.ENTITY_DATA_LIST);
protocol.appendClientbound(ClientboundPackets1_17.ADD_ENTITY, wrapper -> {
final int entityType = wrapper.get(Types.VAR_INT, 1);
if (entityType != EntityTypes1_16_2.ITEM_FRAME.getId()) {
return;
}
// Older clients will ignore the data field and the server sets the item frame rotation by the yaw/pitch field inside the packet,
// newer clients do the opposite and ignore yaw/pitch and use the data field from the packet.
final int data = wrapper.get(Types.INT, 0);
float pitch = 0F;
float yaw = 0F;
switch (Math.abs(data % 6)) {
case 0 /* down */ -> pitch = 90F;
case 1 /* up */ -> pitch = -90F;
case 2 /* north */ -> yaw = 180F;
case 4 /* west */ -> yaw = 90F;
case 5 /* east */ -> yaw = 270;
}
wrapper.set(Types.BYTE, 0, (byte) (pitch * 256F / 360F));
wrapper.set(Types.BYTE, 1, (byte) (yaw * 256F / 360F));
});
protocol.registerClientbound(ClientboundPackets1_17.REMOVE_ENTITY, ClientboundPackets1_16_2.REMOVE_ENTITIES, wrapper -> {
int entityId = wrapper.read(Types.VAR_INT);
tracker(wrapper.user()).removeEntity(entityId);