minecraft/src/main/java/net/flytre/hoco_sg/mixin/HungerManagerMixin.java

package net.flytre.hoco_sg.mixin;

import net.minecraft.entity.player.HungerManager;
import net.minecraft.entity.player.PlayerEntity;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Constant;
import org.spongepowered.asm.mixin.injection.ModifyConstant;
import org.spongepowered.asm.mixin.injection.Redirect;


/**
 * Reverts healing to 1.11 style
 */
@Mixin(HungerManager.class)
public abstract class HungerManagerMixin {


    /**
     * Removes rapid health regen at full hunger by making the conditions required for it always false
     */
    @Redirect(method = "update", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/player/PlayerEntity;canFoodHeal()Z", ordinal = 0))
    public boolean hoco_sg$oldRegen(PlayerEntity player) {
        return false;
    }


    /**
     * Makes it take 5 seconds between regenerating one health instead of 4
     */
    @ModifyConstant(method = "update", constant = @Constant(intValue = 80))
    public int hoco_sg$slowRegen(int eighty) {
        return 100;
    }

    /**
     * Makes it take 2/3 of the exhaustion to heal a health to combat food scarcity.
     */
    @ModifyConstant(method = "update", constant = @Constant(floatValue = 6.0f))
    public float hoco_sg$lessExhaustion(float six) {
        return 4f;
    }
}