BCLib/src/main/java/ru/bclib/api/dataexchange/BaseDataHandler.java

99 lines
3 KiB
Java

package ru.bclib.api.dataexchange;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.fabricmc.fabric.api.networking.v1.PacketSender;
import net.minecraft.client.Minecraft;
import net.minecraft.client.multiplayer.ClientPacketListener;
import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.server.network.ServerGamePacketListenerImpl;
import org.jetbrains.annotations.NotNull;
import java.nio.charset.StandardCharsets;
import java.util.Objects;
public abstract class BaseDataHandler {
private final boolean originatesOnServer;
@NotNull
private final ResourceLocation identifier;
protected BaseDataHandler(ResourceLocation identifier, boolean originatesOnServer) {
this.originatesOnServer = originatesOnServer;
this.identifier = identifier;
}
final public boolean getOriginatesOnServer() {
return originatesOnServer;
}
final public ResourceLocation getIdentifier() {
return identifier;
}
@Environment(EnvType.CLIENT)
abstract void receiveFromServer(Minecraft client, ClientPacketListener handler, FriendlyByteBuf buf, PacketSender responseSender);
private ServerPlayer lastMessageSender;
void receiveFromClient(MinecraftServer server, ServerPlayer player, ServerGamePacketListenerImpl handler, FriendlyByteBuf buf, PacketSender responseSender) {
lastMessageSender = player;
}
final protected boolean reply(BaseDataHandler message, MinecraftServer server) {
if (lastMessageSender == null) return false;
message.sendToClient(server, lastMessageSender);
return true;
}
abstract void sendToClient(MinecraftServer server);
abstract void sendToClient(MinecraftServer server, ServerPlayer player);
@Environment(EnvType.CLIENT)
abstract void sendToServer(Minecraft client);
protected boolean isBlocking() { return false; }
@Override
public String toString() {
return "BasDataHandler{" + "originatesOnServer=" + originatesOnServer + ", identifier=" + identifier + '}';
}
/**
* Write a String to a buffer (Convenience Method)
*
* @param buf The buffer to write to
* @param s The String you want to write
*/
public static void writeString(FriendlyByteBuf buf, String s) {
buf.writeByteArray(s.getBytes(StandardCharsets.UTF_8));
}
/**
* Read a string from a buffer (Convenience Method)
*
* @param buf Thea buffer to read from
* @return The received String
*/
public static String readString(FriendlyByteBuf buf) {
byte[] data = buf.readByteArray();
return new String(data, StandardCharsets.UTF_8);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof BaseDataHandler)) return false;
BaseDataHandler that = (BaseDataHandler) o;
return originatesOnServer == that.originatesOnServer && identifier.equals(that.identifier);
}
@Override
public int hashCode() {
return Objects.hash(originatesOnServer, identifier);
}
}