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Implement player abilities packet (#433)
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namespace Obsidian.API; | ||
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[Flags] | ||
public enum PlayerAbility | ||
{ | ||
None = 0x00, | ||
Invulnerable = 0x01, | ||
Flying = 0x02, | ||
AllowFlying = 0x04, | ||
CreativeMode = 0x08 | ||
} |
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58 changes: 58 additions & 0 deletions
58
Obsidian/Net/Packets/Play/Clientbound/PlayerAbilitiesPacket.cs
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using Obsidian.API._Types; | ||
using Obsidian.Entities; | ||
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namespace Obsidian.Net.Packets.Play.Clientbound; | ||
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public class PlayerAbilitiesPacket : IClientboundPacket, IServerboundPacket | ||
{ | ||
public PlayerAbility Abilities { get; set; } = PlayerAbility.None; | ||
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public float FlyingSpeed { get; set; } = 0.05F; | ||
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public float FieldOfViewModifier { get; set; } = 0.1F; | ||
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public int Id { get; } | ||
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public PlayerAbilitiesPacket(bool toClient) | ||
{ | ||
Id = toClient ? 0x36 : 0x20; | ||
} | ||
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public void Serialize(MinecraftStream stream) | ||
{ | ||
using var packetStream = new MinecraftStream(); | ||
packetStream.WriteByte((byte)Abilities); | ||
packetStream.WriteFloat(FlyingSpeed); | ||
packetStream.WriteFloat(FieldOfViewModifier); | ||
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stream.Lock.Wait(); | ||
stream.WriteVarInt(Id.GetVarIntLength() + (int)packetStream.Length); | ||
stream.WriteVarInt(Id); | ||
packetStream.Position = 0; | ||
packetStream.CopyTo(stream); | ||
stream.Lock.Release(); | ||
} | ||
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public void Populate(MinecraftStream stream) | ||
{ | ||
Abilities = (PlayerAbility) stream.ReadByte(); | ||
} | ||
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public void Populate(byte[] data) | ||
{ | ||
using var stream = new MinecraftStream(data); | ||
Populate(stream); | ||
} | ||
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public async ValueTask HandleAsync(Server server, Player player) | ||
{ | ||
if (Abilities.HasFlag(PlayerAbility.Flying) | ||
&& !Abilities.HasFlag(PlayerAbility.AllowFlying) | ||
&& player.Gamemode is not Gamemode.Creative or Gamemode.Spectator) | ||
{ | ||
await player.KickAsync("Cheating is not allowed!"); | ||
} | ||
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player.Abilities |= Abilities; | ||
} | ||
} |