feat: add Bleed Status Effect

src/datagen/java/com/github/elenterius/biomancy/datagen/lang/EnglishLangProvider.java

@@ -284,6 +284,7 @@ private void addDamageTranslations() {
 		addDeathMessage(ModDamageSources.IMPALED_BY_SPIKE, "%1$s was skewered by a sharp spike");
 
 		addDeathMessage(ModDamageSources.CORROSIVE_ACID, "%1$s died from severe acid burns");
+		addDeathMessage(ModDamageSources.BLEED, "%1$s died from severe blood loss");
 
 		addDeathMessage(ModEntityTypes.TOOTH_PROJECTILE, "[WIP] %1$s was forcefully implanted with teeth by %2$s", "[WIP] %1$s received a lethal dental implant by %2$s using %3$s");
 		addDeathMessage(ModEntityTypes.CORROSIVE_ACID_PROJECTILE, "[WIP] %1$s was doused with corrosive acid by %2$s", "[WIP] %1$s was showered in corrosive acid by %2$s using %3$s");
@@ -297,8 +298,9 @@ private void addSerumTranslations() {
 	private void addStatusEffectTranslations() {
 		addEffect(ModMobEffects.CORROSIVE, "Corrosive Acid");
 		addEffect(ModMobEffects.ARMOR_SHRED, "Armor Shred");
-		addEffect(ModMobEffects.ESSENCE_ANEMIA, "[PH] Essence Anemia");
 		addEffect(ModMobEffects.LIBIDO, "Fertility");
+		addEffect(ModMobEffects.BLEED, "Bleed");
+		addEffect(ModMobEffects.ESSENCE_ANEMIA, "[PH] Essence Anemia");
 	}
 
 	private void addEnchantmentTranslations() {

src/generated/resources/assets/biomancy/lang/en_us.json

@@ -216,14 +216,16 @@
 	"enchantment.biomancy.anesthetic.desc": "Prevents the Damage & Aggro caused by injecting mobs with the Injector. Mobs won't know who attacked them and animals won't panic anymore.",
 	"effect.biomancy.corrosive": "Corrosive Acid",
 	"effect.biomancy.armor_shred": "Armor Shred",
-	"effect.biomancy.essence_anemia": "[PH] Essence Anemia",
 	"effect.biomancy.libido": "Fertility",
+	"effect.biomancy.bleed": "Bleed",
+	"effect.biomancy.essence_anemia": "[PH] Essence Anemia",
 	"serum.biomancy.empty": "ERROR: INVALID SERUM",
 	"death.attack.biomancy.chest_bite": "%1$s tried touching a chest but was eaten instead",
 	"death.attack.biomancy.creator_spikes": "%1$s angered the Maykrs and was impaled by bone spikes",
 	"death.attack.biomancy.spike_fall_on": "%1$s fell on a sharp spike",
 	"death.attack.biomancy.spike_impale": "%1$s was skewered by a sharp spike",
 	"death.attack.biomancy.corrosive_acid": "%1$s died from severe acid burns",
+	"death.attack.biomancy.bleed": "%1$s died from severe blood loss",
 	"death.attack.biomancy.tooth_projectile": "[WIP] %1$s was forcefully implanted with teeth by %2$s",
 	"death.attack.biomancy.tooth_projectile.item": "[WIP] %1$s received a lethal dental implant by %2$s using %3$s",
 	"death.attack.biomancy.corrosive_acid_projectile": "[WIP] %1$s was doused with corrosive acid by %2$s",

src/main/java/com/github/elenterius/biomancy/init/ModDamageSources.java

@@ -19,6 +19,7 @@ public final class ModDamageSources {
 	public static final DamageSource CHEST_BITE = createDamage("chest_bite").bypassArmor();
 
 	public static final DamageSource CORROSIVE_ACID = createDamage("corrosive_acid");
+	public static final DamageSource BLEED = createDamage("bleed").bypassArmor().bypassMagic().bypassInvul();
 
 	public static final DamageSource FALL_ON_SPIKE = createDamage("spike_fall_on").bypassArmor().setIsFall();
 	public static final DamageSource IMPALED_BY_SPIKE = createDamage("spike_impale").bypassArmor();

src/main/java/com/github/elenterius/biomancy/init/ModMobEffects.java

@@ -17,6 +17,7 @@ public final class ModMobEffects {
 	public static final RegistryObject<CorrosiveEffect> CORROSIVE = EFFECTS.register("corrosive", () -> new CorrosiveEffect(MobEffectCategory.HARMFUL, 0xbee040));
 	public static final RegistryObject<StatusEffect> ARMOR_SHRED = EFFECTS.register("armor_shred", () -> new ArmorShredEffect(MobEffectCategory.HARMFUL, 20, 0xbee040)
 			.addModifier(Attributes.ARMOR, "a15ed03e-c5db-4cf8-a0f5-4eb4657bb731", -1f, AttributeModifier.Operation.ADDITION));
+	public static final RegistryObject<BleedEffect> BLEED = EFFECTS.register("bleed", () -> new BleedEffect(MobEffectCategory.HARMFUL, 0x8a0303, 2));
 
 	public static final RegistryObject<EssenceAnemiaEffect> ESSENCE_ANEMIA = EFFECTS.register("essence_anemia", () -> new EssenceAnemiaEffect(MobEffectCategory.HARMFUL, 0x986c76));
 	public static final RegistryObject<LibidoEffect> LIBIDO = EFFECTS.register("libido", () -> new LibidoEffect(MobEffectCategory.NEUTRAL, 0xe06a78));

src/main/java/com/github/elenterius/biomancy/mixin/MobEffectInstanceAccessor.java

@@ -4,10 +4,18 @@
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 
+import java.util.Optional;
+
 @Mixin(MobEffectInstance.class)
 public interface MobEffectInstanceAccessor {
 
 	@Accessor("amplifier")
 	void setAmplifier(int amplifier);
 
+	@Accessor("duration")
+	void setDuration(int ticks);
+
+	@Accessor("factorData")
+	Optional<MobEffectInstance.FactorData> getFactorData();
+
 }

src/main/java/com/github/elenterius/biomancy/statuseffect/BleedEffect.java

@@ -0,0 +1,70 @@
+package com.github.elenterius.biomancy.statuseffect;
+
+import com.github.elenterius.biomancy.init.ModDamageSources;
+import com.github.elenterius.biomancy.mixin.MobEffectInstanceAccessor;
+import net.minecraft.world.effect.MobEffectCategory;
+import net.minecraft.world.effect.MobEffectInstance;
+import net.minecraft.world.effect.MobEffects;
+import net.minecraft.world.entity.LivingEntity;
+
+public class BleedEffect extends StatusEffect implements StackingStatusEffect {
+
+	private int maxEffectStack;
+
+	public BleedEffect(MobEffectCategory category, int color, int maxEffectStack) {
+		super(category, color, false);
+		this.maxEffectStack = maxEffectStack;
+	}
+
+	@Override
+	public boolean isDurationEffectTick(int duration, int amplifier) {
+		return duration % 40 == 0;
+	}
+
+	@Override
+	public void applyEffectTick(LivingEntity livingEntity, int amplifier) {
+		if (livingEntity.hasEffect(MobEffects.REGENERATION) || livingEntity.hasEffect(MobEffects.HEAL)) {
+			livingEntity.removeEffect(this);
+			return;
+		}
+
+		if (livingEntity.isSprinting()) {
+			increaseEffectDurationBy(livingEntity, 200);
+		}
+		else if (livingEntity.isCrouching()) {
+			reduceEffectDurationBy(livingEntity, 200);
+		}
+
+		int effectLevel = amplifier + 1;
+		livingEntity.hurt(ModDamageSources.BLEED, effectLevel);
+	}
+
+	private void reduceEffectDurationBy(LivingEntity livingEntity, int ticks) {
+		MobEffectInstance effectInstance = livingEntity.getEffect(this);
+		if (effectInstance == null) return;
+
+		int reducedDuration = effectInstance.getDuration() - ticks;
+		if (reducedDuration > 0) {
+			((MobEffectInstanceAccessor) effectInstance).setDuration(reducedDuration);
+			((MobEffectInstanceAccessor) effectInstance).getFactorData().ifPresent(factorData -> factorData.update(effectInstance));
+		}
+		else {
+			livingEntity.removeEffect(this);
+		}
+	}
+
+	private void increaseEffectDurationBy(LivingEntity livingEntity, int ticks) {
+		MobEffectInstance effectInstance = livingEntity.getEffect(this);
+		if (effectInstance == null) return;
+
+		int increasedDuration = effectInstance.getDuration() + ticks;
+		((MobEffectInstanceAccessor) effectInstance).setDuration(increasedDuration);
+		((MobEffectInstanceAccessor) effectInstance).getFactorData().ifPresent(factorData -> factorData.update(effectInstance));
+	}
+
+	@Override
+	public int getMaxEffectStack() {
+		return maxEffectStack;
+	}
+
+}

src/main/java/com/github/elenterius/biomancy/util/CombatUtil.java

@@ -55,4 +55,7 @@ public static void hurtWithAcid(LivingEntity livingEntity, float damage) {
 		livingEntity.hurt(ModDamageSources.CORROSIVE_ACID, damage);
 	}
 
+	public static void applyBleedEffect(LivingEntity livingEntity, int seconds) {
+		livingEntity.addEffect(new MobEffectInstance(ModMobEffects.BLEED.get(), seconds * 20, 0, false, false, true));
+	}
 }