43 lines
1.7 KiB
Java
43 lines
1.7 KiB
Java
package ru.betterend.mixin.common;
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import java.util.Collection;
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import net.minecraft.world.damagesource.DamageSource;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EquipmentSlot;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.ai.attributes.AttributeModifier;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.item.Item;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.injection.At;
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import org.spongepowered.asm.mixin.injection.Inject;
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import org.spongepowered.asm.mixin.injection.ModifyArg;
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import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
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@Mixin(LivingEntity.class)
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public abstract class LivingEntityMixin {
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private Entity lastAttacker;
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@Inject(method = "hurt", at = @At("HEAD"))
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public void be_hurt(DamageSource source, float amount, CallbackInfoReturnable<Boolean> info) {
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this.lastAttacker = source.getEntity();
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}
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@ModifyArg(method = "hurt", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/entity/LivingEntity;knockback(FDD)V"))
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private float be_increaseKnockback(float value, double x, double z) {
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if (lastAttacker != null && lastAttacker instanceof LivingEntity) {
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LivingEntity attacker = (LivingEntity) lastAttacker;
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value += this.be_getKnockback(attacker.getMainHandItem().getItem());
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}
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return value;
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}
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private double be_getKnockback(Item tool) {
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if (tool == null) return 0.0D;
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Collection<AttributeModifier> modifiers = tool.getDefaultAttributeModifiers(EquipmentSlot.MAINHAND).get(Attributes.ATTACK_KNOCKBACK);
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if (modifiers.size() > 0) {
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return modifiers.iterator().next().getAmount();
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}
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return 0.0D;
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}
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}
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