Swim

The arc:on_swim action type is triggered when a player is swimming.

Action Data

When this action is triggered, the following action data is made available to be used by conditions and rewards:

Action Data Type	Description
arc:distance_in_cm	Measures a distance in centimeters, often used for proximity-based actions.

Example

The following example will give the player a Water Breathing effect for 10 seconds as long as they are swimming.

data/my_datapack/arc/water_breathing_on_swim.json

{
    "holder": {
        "type": "arc:player",
        "id": "arc:player"
    },
    "type": "arc:on_swim",
    "rewards": [
        {
            "type": "arc:effect",
            "effect": {
                "id": "minecraft:water_breathing",
                "duration": 200,
                "amplifier": 0,
                "show_particles": false,
                "show_icon": false
            }
        }
    ]
}

Compatible Condition Types

The following condition types can be used with this action type:

🌍 Dimension

The arc:dimension condition type checks if the player is in a specific dimension.

📏 Distance

The arc:distance condition type checks if the player has traveled a certain distance while performing a continuous movement action (e.g., walking, swimming, sprinting).

🪙✅ Item Equipped

The arc:item_equipped condition type checks if the player has a specific item equipped in any armor slot.

🪙✋ Item In Hand

The arc:iteminhand condition type checks if the player is holding a specific item in their main hand, off-hand, or either hand.

🪙📦 Item In Inventory

The arc:itemininventory condition type checks if the player has a specific item anywhere in their main inventory.

🚫 Not

The arc:not condition type inverts the result of its nested conditions. It is met if none of the specified conditions are met.

🔀 Or

The arc:or condition type is met if at least one of its nested conditions is met.

📋 Scoreboard

The arc:scoreboard condition type checks if a player's score in a specific objective is within a given range.

👥 Team

The arc:team condition type checks if a player is on a specific scoreboard team.

Compatible Reward Types

The following reward types can be used with this action type:

💻 Command

The arc:command reward type executes a server command.

✨ Experience

The arc:exp reward type gives the player a specified range of experience points.

🪙 Item

The arc:item reward type gives an item directly to the player's inventory.

💉 Potion Effect

The arc:effect reward type applies a potion effect to the player.