Minecraft Java Edition – Creating a Loot Table with Multiple Conditions for Advanced Gameplay

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I was wondering about this: Is it possible to add multiple conditions to a function in Minecraft loot tables?

Best Answer

Yes. Here's an example loot table in which a stone sword's damage will only be set to 75% if the mob is killed by a player and a 50% random chance succeeds, otherwise it will drop an undamaged stone sword:

{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "weight": 1,
                    "name": "minecraft:stone_sword",
                    "functions": [
                        {
                            "function": "set_damage",
                            "damage": 0.75,
                            "conditions": [
                                {
                                    "condition": "killed_by_player"
                                },
                                {
                                    "condition": "random_chance",
                                    "chance": 0.5
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ]
}

Here's a loot table generator capable of adding multiple conditions:
https://jsfiddle.net/MrPingouin/125mx5r5/embedded/result/

Related Solutions

Minecraft Commands – How to Use Datapack/Loot Table Commands in Minecraft 1.13?

I have recreated your datapack on my own testing world and I loaded your loottable and indeed I found that there was no loot generated.

I checked your syntax against the guide on this webpage and it checks out.

I finally checked the log file and found a Json parsing error on the function "set_data". This seemed strange to me at first, since this exact function was specified in the guide, but then I realised that data is no longer in the game. You can't specify different stone types with different data values, because each stone type has it's own name now.
I removed the entire function and now I can spawn a chest with a stone block in it, using the command which you provided. This is the new loot table:

{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "name": "minecraft:stone",
                    "weight": 1
                }
            ]
        }
    ]
}

I tried to see if tags would work to define different items in one entry, but that didn't work, so if you want to have a random stone type for example, then you will have to define each one individually.

Minecraft Java Edition – How to Add a Loot Table to an Item in a Loot Table

As of update 18w46a this is impossible to do with a chest_minecart, however, to do it with a chest, another function is needed to be used.

"function": "set_loot_table", "name": "path:to/loot_table"

Best Answer

Related Solutions

Minecraft Commands – How to Use Datapack/Loot Table Commands in Minecraft 1.13?

Minecraft Java Edition – How to Add a Loot Table to an Item in a Loot Table

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