# Potion Effects Set Datapack-driven item potion effects, set bonuses, Curios support, and loot table injections. This project exists in two versions: - `Forge 1.20.1` - `NeoForge 1.21.1` Both versions share the same core idea and almost the same datapack workflow, so pack makers can use one system across both branches. ## What The Mod Does With this mod, you can: - give passive effects while an item is equipped - give on-hit effects when the player attacks - give on-hurt effects when the player takes damage - target one item, many items through tags, or special variants through `nbt` - create tiered sets such as 2-piece, 3-piece, and 4-piece bonuses - count Curios pieces, including duplicate accessories such as two matching rings - inject custom rewards into existing loot tables without replacing them ## Versions ### Forge Version - Loader: `Forge` - Minecraft: `1.20.1` - Branch/mod: `Potion Effects Set` Important note: - in the Forge version, `nbt` matches normal item NBT data ### NeoForge Version - Loader: `NeoForge` - Minecraft: `1.21.1` - Branch/mod: `Neo Pot Effect Set` Important note: - in the NeoForge version, you still write `nbt` in the JSON - internally, that matcher is checked against the item's `custom_data` component That means the config format stays familiar, even though Minecraft changed how custom item data is stored. ## Shared Datapack Features Both versions support: - exact item entries like `minecraft:diamond_sword` - root tag entries like `#mymod:guardian_armor` - advanced `rules` matchers - `sets` and `set_bonuses` - `loot_table_injections` ## Quick Example ```json { "minecraft:diamond_sword": { "on_hit_effects": [ { "effect": "minecraft:poison", "amplifier": 1, "duration": 100, "chance": 0.3, "slot": "mainhand" } ] } } ``` This applies `Poison II` for `5 seconds` with a `30% chance` when the sword hits in the main hand. ## Tags Use tags when many items should share the same effect setup. ```json { "#mymod:guardian_armor": { "passive_effects": [ { "effect": "minecraft:resistance", "amplifier": 0, "permanent": true } ] } } ``` ## Special Variants With `rules` Use `rules` when the same base item can exist in different variants. ```json { "rules": [ { "match": { "item": "minecraft:diamond_chestplate", "nbt": { "pem": { "set_id": "guardian" } } }, "passive_effects": [ { "effect": "minecraft:resistance", "amplifier": 1, "permanent": true, "slot": "chest" } ] } ] } ``` Recommended pattern: - store your custom data under your own root, such as `pem` - use fields like `set_id`, `role`, `variant`, or `rarity` ## Sets Sets let you unlock stronger bonuses as more matching pieces are equipped. ```json { "sets": [ { "id": "guardian", "display_name": "Guardian Set", "piece_match": { "tag": "mymod:guardian_set" }, "tiers": [ { "required_pieces": 2, "passive_effects": [ { "effect": "minecraft:resistance", "amplifier": 0, "permanent": true } ] }, { "required_pieces": 4, "passive_effects": [ { "effect": "minecraft:resistance", "amplifier": 1, "permanent": true }, { "effect": "minecraft:absorption", "amplifier": 0, "permanent": true } ] } ] } ] } ``` Set counting includes: - main hand - offhand - armor - Curios Curios note: - duplicate matching accessories count separately - two matching rings can count as two set pieces ## Loot Table Injections The mod can add your custom items into existing loot tables without replacing them. ### Inject a custom loot table ```json { "inject": [ { "targets": [ "minecraft:chests/simple_dungeon", "minecraft:chests/abandoned_mineshaft" ], "loot_table": "mypack:chests/arcane_rewards", "rolls": 1, "chance": 0.25 } ] } ``` ### Inject items directly ```json { "inject": [ { "targets": ["minecraft:chests/simple_dungeon"], "rolls": 1, "chance": 0.2, "items": [ { "item": "minecraft:totem_of_undying", "name": "Offhand Totem", "nbt": { "pem": { "role": "offhand_totem" } } } ] } ] } ``` ## How Players Obtain Custom Items Simple rule: - if you use exact `item` or `#tag`, players can obtain the base item normally - if you use `nbt`, the game needs some way to generate that special variant Common ways to generate those items: - loot tables - loot injections - functions - advancement rewards - scripting mods like `KubeJS` or `CraftTweaker` ## Conflict Rules If multiple active sources grant the same mob effect: - they do not stack as multiple copies - the strongest one wins - higher amplifier wins first That means a 2-piece set can give `Strength I`, and a 4-piece tier can upgrade that to `Strength II`, while another set can still coexist if it gives a different effect like `Speed`. ## Tooltips Tooltips can show: - direct effects on the item - matching set bonuses - current set piece count when player context is available ## Summary If you want one datapack-driven system for: - equipment-based potion effects - item tags - custom item variants - set bonuses - Curios counting - survival-friendly loot integration this mod is built for exactly that. For a more detailed tutorial and extra help, join the Discord: - https://discord.gg/sZ64CgX3JN { "effect": "minecraft:regeneration", "amplifier": 1, "duration": 100, "chance": 0.5, "slot": "chest" } ] } } ```

👟 Example: Speed Boots

Gives Speed II while worn. ```json { "minecraft:golden_boots": { "passive_effects": [ { "effect": "minecraft:speed", "amplifier": 1, "permanent": true, "slot": "feet" } ] } } ```

💍 Example: Invisibility Ring (Curios)

Grants Invisibility while worn in a 'ring' slot. ```json { "curios:ring_gold": { "passive_effects": [ { "effect": "minecraft:invisibility", "amplifier": 0, "permanent": true, "slot": "ring", "is_curio": true } ] } } ```

--- ## **🔧 Configuration Guide** ### **📁 Location** `world/datapacks//data/potioneffectsmodify/potion_effects/your_file.json` ### **⚙️ Options** | Property | Type | Description | | :--- | :--- | :--- | | `effect` | ID | The potion effect ID (e.g., `minecraft:strength`) | | `amplifier` | Int | Level of the effect (0 = Level I, 1 = Level II) | | `duration` | Int | Duration in ticks (20 ticks = 1 second) | | `chance` | Float | Probability (0.0 to 1.0) for On Hit/On Hurt | | `slot` | String | Required slot (`mainhand`, `head`, `feet`, `curios:ring`, etc.) | | `permanent`| Bool | If true, effect refreshes automatically (for passive) | | `is_curio` | Bool | Set to `true` if targeting a Curios slot | --- ## **📦 Installation** 1. **Download** the mod and place it in your `mods` folder. 2. *(Optional)* Install **Curios API** if you want accessory support. 3. **Launch** the game. 4. **Create** your JSON configs in a datapack (see examples above). 5. Run `/reload` in-game to apply changes instantly! --- Please join our Discord for support, suggestions, or to share your configs! [![Discord](https://img.shields.io/badge/Discord-Join%20Us-7289da?style=for-the-badge&logo=discord)](https://discord.gg/sZ64CgX3JN)

Potion Effects Set

Potion Effects Set 1.0.5

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