src/main/java/dulkirmod/mixins/MixinEntityLivingBase.java


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package dulkirmod.mixins;


import dulkirmod.DulkirMod;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
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.CallbackInfoReturnable;

@Mixin({EntityLivingBase.class})
public abstract class MixinEntityLivingBase extends MixinEntity {

    @Shadow
    public abstract boolean isPotionActive(Potion potionIn);

    @Shadow
    public abstract PotionEffect getActivePotionEffect(Potion potionIn);

    @Inject(method = "getArmSwingAnimationEnd()I", at = @At("HEAD"), cancellable = true)
    public void adjustSwingLength(CallbackInfoReturnable<Integer> cir) {
        if (!DulkirMod.Companion.getConfig().getCustomAnimations()) return;
        int length = DulkirMod.Companion.getConfig().getIgnoreHaste() ? 6 : this.isPotionActive(Potion.digSpeed) ?
                6 - (1 + this.getActivePotionEffect(Potion.digSpeed).getAmplifier()) :
                (this.isPotionActive(Potion.digSlowdown) ?
                        6 + (1 + this.getActivePotionEffect(Potion.digSlowdown).getAmplifier()) * 2 :
                        6);
        cir.setReturnValue(Math.max((int) (length * Math.exp(-DulkirMod.Companion.getConfig().getCustomSpeed())), 1));
    }
}