the_big_one/src/main/java/jesse/keeblarcraft/mixin/PlayerEntityInteractionHandler.java

package jesse.keeblarcraft.mixin;

import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;

import net.minecraft.entity.Entity;
import net.minecraft.network.packet.c2s.play.PlayerInteractEntityC2SPacket;
import net.minecraft.server.network.ServerPlayNetworkHandler;

@Mixin(targets = "net.minecraft.server.network.ServerPlayNetworkHandler$1")
public abstract class PlayerEntityInteractionHandler implements PlayerInteractEntityC2SPacket.Handler {
    // Unsure what @Shadow is doing, but I'm sure fabric wiki can explain
    // @Shadow(aliases = "field_28963") @Final private ServerPlayNetworkHandler field_28963; // I assume this is just a bad named field which is the ServerPlayNetworkHandler
    // @Shadow(aliases = "field_28962") @Final private Entity field_28962; // I assume this is just a bad named field which is the Entity in question depending on the function

    // // Probably not required for a tool since this is hitting, but you would need to check this if you DID want to make a longer reaching sword or something. Attack is
    // // in PlayerEntity but this mixin targets the server handler because the server dictates hitting between stuff
    // @Inject(method = "attack()V", at = @At("HEAD"), require = 1, allow = 1, cancellable = true)
    // private void isActuallyInHitRange(final CallbackInfo callback) {
    //     // All we are doing in this class is telling the 'attack' function to return false immediately if the two entities are not within a squared distance of each other.
    //     // 100 hard coded because value of hit range is hard coded '10' in the ClientPlayerInteractionManagerMixin in the client section (10^2)
    //     if (!(this.field_28963.player.squaredDistanceTo(this.field_28962) <= 100)) { // 10^2 becauses 10 blocks chosen in Client mixin
    //         callback.cancel();
    //     }
    // }
}