Animated Hearts

Evidence

Ran on Kiln's test stand (2026-11-04): AnimatedHearts did not start: java.lang.NoSuchMethodError: 'boolean net.fabricmc.loader.api.FabricLoader.isModLoaded(java.lang.String)'.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.Window
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.client.Options
• net.minecraft.client.gui.screens.PauseScreen
• net.minecraft.client.multiplayer.ClientLevel.ClientLevelData
• net.minecraft.client.multiplayer.MultiPlayerGameMode
• net.minecraft.client.renderer.state.gui.GuiRenderState
• net.minecraft.server.packs.resources.ResourceManager
• net.minecraft.stats.StatType
• net.minecraft.stats.Stats
• net.minecraft.stats.StatsCounter
• net.minecraft.util.Mth
• net.minecraft.world.Difficulty
• net.minecraft.world.effect.MobEffect
• net.minecraft.world.effect.MobEffectCategory
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.Mob
• net.minecraft.world.entity.monster.Enemy
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.food.FoodData
• net.minecraft.world.level.GameType
• net.minecraft.world.level.storage.LevelData
• net.minecraft.world.phys.AABB
• net.minecraft.world.phys.EntityHitResult
• FabricLoader.getModContainer()
• FabricLoader.isModLoaded()
• Minecraft.gameMode
• Minecraft.getDeltaTracker()
• Minecraft.getResourceManager()
• Minecraft.getWindow()
• Minecraft.hitResult
• Minecraft.options
• GuiGraphicsExtractor.<init>()
• GuiGraphicsExtractor.disableScissor()
• GuiGraphicsExtractor.enableScissor()
• GuiGraphicsExtractor.pose()
• and 36 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

Adds smooth and customizable heart HUD effects

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file AnimatedHearts-Fabric-2.2.0.jar. The scan reads the mod's classes; it does not run them.