implement poison and wither effects

src/main/java/me/woach/bone/effects/BoneEffectRegistry.java

@@ -13,7 +13,9 @@ public enum BoneEffectRegistry {
     SPIKE("spike", () -> new SpikeEffect()),
     HIGH_JUMP("high_jump", () -> new HighJumpEffect()),
     SLOW_FALL("slow_fall", () -> new SlowFallEffect()),
-    DOLPHIN_KICK("dolphin_kick", () -> new DolphinKickEffect());
+    DOLPHIN_KICK("dolphin_kick", () -> new DolphinKickEffect()),
+    POISON("poison", () -> new PoisonEffect()),
+    WITHER("wither", () -> new WitherEffect());
 
     private final String path;
     private final Supplier<BoneEffect> effectSupplier;

src/main/java/me/woach/bone/effects/PoisonEffect.java

@@ -0,0 +1,24 @@
+package me.woach.bone.effects;
+
+import me.woach.bone.effects.bonetype.GenericBoneType;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EquipmentSlot;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffects;
+
+public class PoisonEffect extends BoneEffect {
+    public PoisonEffect() {
+        super(Rarity.RARE, new GenericBoneType(), EquipmentSlot.MAINHAND);
+    }
+
+    @Override
+    public void onTargetDamaged(LivingEntity user, Entity target, int level) {
+        if (target instanceof LivingEntity) {
+            ((LivingEntity) target)
+                    .addStatusEffect(new StatusEffectInstance(StatusEffects.POISON, (level + 1) * 20, level,
+                            false, true, false));
+        }
+        super.onTargetDamaged(user, target, level);
+    }
+}

src/main/java/me/woach/bone/effects/WitherEffect.java

@@ -0,0 +1,24 @@
+package me.woach.bone.effects;
+
+import me.woach.bone.effects.bonetype.GenericBoneType;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EquipmentSlot;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffects;
+
+public class WitherEffect extends BoneEffect {
+    public WitherEffect() {
+        super(Rarity.RARE, new GenericBoneType(), EquipmentSlot.MAINHAND);
+    }
+
+    @Override
+    public void onTargetDamaged(LivingEntity user, Entity target, int level) {
+        if (target instanceof LivingEntity) {
+            ((LivingEntity) target)
+                    .addStatusEffect(new StatusEffectInstance(StatusEffects.WITHER, (level + 1) * 20, level,
+                            false, true, false));
+        }
+        super.onTargetDamaged(user, target, level);
+    }
+}

src/main/resources/assets/bone/lang/en_us.json

@@ -30,5 +30,7 @@
     "enchantment.bone.spike": "Spike",
     "enchantment.bone.high_jump": "High Jump",
     "enchantment.bone.slow_fall": "Slow Fall",
-    "enchantment.bone.dolphin_kick": "Dolphin Kick"
+    "enchantment.bone.dolphin_kick": "Dolphin Kick",
+    "enchantment.bone.poison": "Poison",
+    "enchantment.bone.wither": "Wither"
 }

src/main/resources/data/bone/bones/wither_skeleton.json

@@ -0,0 +1,9 @@
+{
+    "enabled": true,
+    "chance": 125,
+    "effects": {
+        "WEAPON": "bone:wither",
+        "DIGGER": "bone:wither"
+    },
+    "entity": "minecraft:wither_skeleton"
+}

src/main/resources/data/bone/bones/zombie_villager.json

@@ -0,0 +1,9 @@
+{
+    "enabled": true,
+    "chance": 125,
+    "effects": {
+        "WEAPON": "bone:poison",
+        "DIGGER": "bone:poison"
+    },
+    "entity": "minecraft:zombie_villager"
+}