Modding:Item Json Properties

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This page was last verified for Vintage Story version 1.19.


Overview

This is a mostly-complete list of available properties for items. To see an exhaustive list of properties, check out the ItemType and CollectibleType GitHub pages. Any value immediately underneath a [JsonProperty] label can be used within an itemtype file.

Definitions:

Key - The name of the property, which should be used as it appears in the column.

Value - A component of a property.

Array - A list of objects or values that can be referenced in code.

String - A sequence of characters that can be used as an identifier in code. Essentially a word that can be referenced and assigned to something. Generally does not use numbers.

Boolean - A true or false value, essentially "on" or "off".

Int - An integer, or whole number. Cannot use decimal values.

Float - A decimal, specifically one that does not exceed more than 1 significant digit

Object - This is a bit more complex, but essentially objects are the items, blocks and entities that can be interacted with. In most cases, when an "object" type appears it means you must use a specific item variant code, which follows the "itemcode-variant_1-variant_2-variant_n" style of naming.


Property Type Default Usage Reference
json
Core (no byType available)
code
string required A unique identifier for the item. All Items

A domain prefix will be added dynamically depending on the location of the file. Every mod and VintageStory itself have a unique prefix.

For example the code stone turns into game:stone. To refer to items outside your mod (IE with item patches) you would use the following format: yourmod:youritem

The code identifier has to be unique inside its domain. In theory there could be equal identifiers with different domain prefixes. Find out more about Domains.

enabled
boolean true If the item will be loaded or not. Can be used to temporarily remove the item. -
variantgroups
array of objects - Allows you define multiple variants of the same item. armor, ore-graded, plank,
(any) bytype
key: string; value: object - Allows different property values to be specified based on the variant code.
allowedVariants
array of objects - Used to trim unnecessary items generated by combined variants. crystalizedore-graded, ore-graded, ore-ungraded
skipVariants
array of object - Similar to allowedVariants, but instead skips the creation of listed variants rather than assigning which are allowed. armor
Specific
class
string "item" The class an item should use if it has additional C# functionalities that can't be accomplished with JSONS. axe-metal, hoe, spear

It can be used to open guis or adding other extra functionality to the item. A complete tutorial of how to add your own class to the game can be found here.

durability
integer 0 The maximum uses of the item. Items that reach 0 uses disappear. NOTE: The actual current durability of the item is stored as a treeAttribute, this is only a max value. pickaxe
damagedby
array of string - From which damage sources does the item takes durability damage. pickaxe
blockbreaking
0 Mining a block. pickaxe
attacking
1 Hitting an entity. sword
fire
2 Currently not used. -
tool
string - Classifies the item as the given tool, which gives it the ability to harvest resources from certain blocks. axe-metal, pickaxe, knife, scythe, shovel
Knife
0 Can harvest items from grass. knife, scythe
Pickaxe
1 Can mine rock and other stone materials pickaxe
Axe
2 Can chop down trees and other wood materials. axe-metal, axe-stone
Sword
3 No special abilities yet. sword
Shovel
4 Can dig soil, gravel and sand quickly. shovel
Hammer
5 No special abilities yet. hammer
Mallet
6 No special abilities yet. -
Spear
7 No special abilities yet. spear
Bow
8 No special abilities yet. bow
Sickle
9 No special abilities yet. -
Hoe
10 No special abilities yet. hoe
Saw
11 No special abilities yet. saw
Attributes
attributes
- - Custom Attributes associated with this item. armor, ingot

Attributes constitute a large number of custom properties that an item can have, many of which are specific to unique items that rely on a C# class for additional functionality. If you wish to add your own JSON attributes to an item generally you must also have a class to utilize them.

Values placed here are final and cannot be modified. For example, if you made a new type of weapon, say a mace that had additional weapon properties you could define them here:

    attributes: {
		"armorDamage": 10,
		"stunChance": 0.1,
	},

Here we have made two new attributes called "armorDamage" and "stunChance" and have given them their own static values to be used in code. As is, these cannot do anything without the usage of C# code in a class. Regardless, we can see that this is a convenient way to create extra properties that can be manipulated using variant combinations if desired.

(Container Attributes)

Attributes that change how items interact with containers.

barrelMovetoLiquidSlot
boolean - If set to true, converts an item placed into a barrel to a "liquid" state that can be used for barrel recipes (EX: how salt is used to cure meat). salt
crockable
boolean - If set to true, can be placed into a crock from another container (Keep in mind that doing so also turns the item into a meal, which cannot be undone). pickledvegetable
displaycaseable
boolean - If set to true, allows an item to be placed into a display case. ingot, ore-graded, ore-ungraded, stone
forgable
boolean - A bit of a misnomer, this indicates that an item can be placed into and heated in a forge, not that it can or can't be forged on an anvil. ironbloom
inContainerTexture
Path to texture - Pathway to the texture shown when an item is placed into a barrel. This can include a liquid or solids. waterportion, salt
inFirePitProps
- - Gives an item additional rendering properties when placed in a fire pit. redmeat, poultry
transform
- - If the model type shows the item, it can be transformed using this property. redmeat, poultry
useFirepitModel
- - Tell the firepit which model to use when this item is placed into it. redmeat, poultry

Here's an example of how the firepit transformation is used by the different meat items:

inFirePitProps: {
  transform: {
    scale: 0.85,
    origin: { x: 0.5, y: 0.0625, z: 0.5 },
    translation: { x: -0.03125, y: 0.0625, z: 0.046875 },
    rotation: { x: 0, y: 0, z: 90 }
  },
  useFirepitModel: "Spit"
},

If you're familiar with the other transformation code, this is nothing unusual and works on the same principles by changing the scale, position and rotation of the model with respect to the origin of rotation.

At the moment spit is the only model used with single food items. The other option wide is used with the cooking pot.

shelvable
boolean - If true, allows the item to be placed on shelves. redmeat, stone
rackable
boolean - If true, allows the item to be placed on a tool rack. To look right the item also requires additional transformations using the toolrackTransform property (see rendering section). pickaxe, scythe, sword
waterTightContainerProps
- - This contains all the liquid properties of an item, generally determining how it is stored and used with a bucket. waterportion, limewaterportion
containable
boolean - If true, the liquid can be placed into liquid containers, such as barrels and buckets. waterportion, limewaterportion
itemsPerLitre
number (int) - The number of itemstack items required to make a litre of liquid. Generally this value is 1:1, but concentrated items like honey can be 4:1. waterportion, honeyportion
texture
Path to Texture - A "block" texture given to a liquid when it's rendered in containers or other items. waterportion, honeyportion
allowSpill
boolean - If true, allows the player to use the Ctr + Right Click function to "spill" the liquid from a container. The whenSpilled property determines what happens if this is true. waterportion, limewater
tintIndex
integer 0 Tints the color of the item if it's ever drawn as a block: 0 for no tint, 1 for plant climate tint, 2 for water climate tint. - waterportion, limewater
whenSpilled
- - Determines what happens when the "spill" interaction is used. Only works if the allowSpill property is set to true. waterportion, limewater
action
string - Code identifier that determines what happens when the liquid is spilled from a container. waterportion, limewater
PlaceBlock
- - Places a block at the spilled location. waterportion
DropContents
- - Drops an item at the location. If the item is a liquid it will disappear immediately with a "splash" particle effect. limeportion
stack
- - The block or item dropped when spilled. if the "PlaceBlock" action is chosen a block is placed, if "DropContents" is used an item is generated. waterportion, limewater
stackByFillLevel
- - Allows for different blocks or items to be placed based on the level of the liquid in the container. waterportion, limewater

We'll look at an example of how this property is utilized by water item:

waterTightContainerProps: {
  containable: true,
  itemsPerLitre: 1,
  texture: { base: "block/liquid/waterportion" },
  tintIndex: 2,
  whenSpilled: { 
    action: "PlaceBlock",
    stack: { type: "block", code: "water-still-3" },
    stackByFillLevel: { 
      "10": { type: "block", code: "water-still-7" } 
    }
  }
}

Most is self explanatory, but we can see that it has a some unique features, such as allowing a player to generate a water block when the "fill level" of the container used to spill the fluid. We can also see that the texture for it has a tintIndex of 2, which heightens the blue coloration of the water texture while in a bucket.

(Equipment Attributes)

Attributes primarily used with equipment and armor.

attachShape
Path to Shape - Assigns a shape to a bag to be shown on the player when worn in a bag slot. backpack
backpack
- - Gives an item bag properties, allowing it to be placed in the bag slot to increase inventory space. backpack
quantitySlots
number - How many additional slots the bag provides. backpack
storageFlags
number (storage flag ID) - Limits what type of item can be placed into the bag by assigning it a storage flag. (Need a list of storage flags) miningbag
slotBgColor
Color value (HEX) - Changes the background color of the additional slots provided by the bag. Requires a HEX color code, which you can find with any generic color picker miningbag
clothescategory
string - Assigns a wearable item to a specific inventory slot. There are 15 slots in total, including 3 armor slots and 12 decorative clothing slots. armor, upperbody, lowerbody

Armor slots: armorhead, armorbody, armorlegs.

Clothing slots: head, face, neck emblem, upperbodyover, upperbody, shoulder, arm, hand, lowerbody, waist, foot.

defaultProtLoss
- - Defines the default protection loss for incoming damage that is of a higher tier than the armor. Requires the usage of perTierRelativeProtectionLoss and perTierFlatDamageReductionLoss properties. armor
disableElements
Shape Element - Allows shape elements to be disabled to make better looking armor, for example removing the Seraph's ponytail with helmets. armor (plate helmet)
footStepSound
path to ogg file - What sound to play while the player is wearing this item. armor
inCharactercreationDialog
boolean - If set to true, will allow the player to select the wearable item during the character creation sequence. Lowerbody, Upperbody
protectionModifiers
- - Assigns protection values to an armor piece. armor
protectionTier
number - The value contested against the tier of incoming damage. If the damage tier is higher the effectiveness of the armor is reduced, potentially to zero if the difference is high enough. armor
highDamageTierResistant
boolean false If set to true this armor will reduce the protection loss of higher damage tiers by half when looping through the protection loss sequence of the damage calculation. armor
flatDamageReduction
number, decimal - This is the amount of damage that is initially subtracted before relative protection is applied. armor
relativeProtection
number, decimal - After the damage is subtracted by the flat reduction the remaining damage is reduced by a percent amount equal to this value. armor
perTierFlatDamageReductionLoss
array of numbers - Determines how much flat damage reduction is lost by a damage tier higher than the armor tier. Each relative difference can be customized individually. armor
perTierRelativeProtectionLoss
array of numbers - Determines how much relative protection is lost by a damage tier higher than the armor tier. The first value is used for high damage resistant armor, the second is for all other armors. armor

The system for how these values are used is a bit complex, but here's essentially how it works:

The tier of incoming damage is not just a contest of values, but is actually looped through multiple times depending on the tier value to reduce the effectiveness of an armor. For example, tier 4 damage will loop four times and reduces the armor effectiveness each loop, while tier 1 damage will loop only once.

The looped value starts as 1 and as the value increases up to the damage tier it is compared to the tier of the armor. If this increasing value is greater than the armor tier the second second value is used in the perTier function, otherwise the first value is used. Additionally, if the armor has the highDamageTierResistant property set to true then every loop which is higher than the armor will have it's armor reduction halved.

Lets look at an example of this using an armor with the following stats:

protectionModifiers {
  protectionTier: 2,
  flatDamageReduction: 1.0,
  relativeProtection: 0.80,
  perTierFlatDamageReductionLoss: [0.03, 0.15],
  perTierRelativeProtectionLoss: [0.1, 0.2],
  highDamageTierResistant = true
},

Now lets loop through the protection values and see what the overall loss is. The damage tier is 4, so we start with 1 and end with 4:

Round 1: Damage tier = 1, armor tier = 2 - Damage tier is below the armor tier in the loop, so we use the first values (0.03 and 0.1)

Round 2: Damage Tier = 2, armor tier = 2 - Damage tier is still not higher in the loop, so once again we use the first values (0.03 and 0.1)

Round 3: Damage Tier = 3, armor tier = 2 - At last the damage tier is higher than the armor tier in the loop so we use the second values (0.15 and 0.2), but we also have the highDamageTierResistant property, so both these values are halved, resulting in (0.075 and 0.1)

Round 4: Damage tier = 4, armor tier = 2 - Same as before, resulting in (0.075 and 0.1).

Finally, we add up the results of each to determine the total loss of protection: (0.21 and 0.4), which causes a 21% loss to our damage reduction and 0.4 loss to our flat damage reduction. This leaves our original protection values at 59% and 0.6, a significant loss in armor performance!

If the damage was of a lower tier, such as 1, only the first round would be used, which would result in a much lower protection loss of 3% and 0.1 damage in total.

statModifiers
- - Gives an armor piece a modifier to certain stats. Generally these values are debuffs, but if the values were reversed they could be used as buffs for magical armor. armor
healingeffectiveness
number, decimal - Player healing rate (percent) modification. armor
hungerrate
number, decimal - Player hunger rate (percent) modification. armor
rangedWeaponsAcc
number, decimal - Player ranged weapon accuracy (percent) modification. armor
rangedWeaponsSpeed
number, decimal - Player ranged weapon draw speed (percent) modification. armor
walkSpeed
number, decimal - Player movement speed (percent) modification. armor
wearableAttachment
boolean - Designates the item as a wearable object. armor
(Handbook Attributes)

Attributes that give an item additional handbook details.

exclude
boolean - If true, removes the item from the handbook. Can be used with the "ByType" functionality to remove large amounts of variants. burnedbrick
excludeFromList
- - (Needs more info). -
include
boolean - Allows the toggling of the handbook entry. burnedbrick
extraSections
- - Adds a section to the handbook for this item. The title and text properties are actually code identifiers that must be filled out in the lang file of a mod, just as one would for an item or block name.
text
string (text id) - The textbox name that will show up in the lang file.
title
string (title id) - The title name that will show up in the lang file.
groupBy
- - Groups variants into a single handbook page, rather than making multiples. -
groupedName
- - Gives a name to the group of variants within the handbook (must be filled out in the lang file). -

The plumb and square is a good example of how a handbook section is added to the game:

handbook: {
  include: true,
  extraSections: [
    { title: "plumbandsquare-handbook-help-title", text: "plumbandsquare-handbook-help-text" }
  ]
}
(Misc Attributes)

Uncategorized attributes used in various items.

breakChanceOnImpact
value, decimal - Determines how often a projectile will break when shot. Flint arrow = 0.5 (50%, iron arrow = 0.20 (20%). arrow
codePrefixes
array - Creates a list of block prefixes a tool can interact with using special features (such as how a scythe cuts large swathes of grass). scythe
currency
- - Allows an item to be traded as a universal currency. gear (rusty)
value
value - Assigns a value to the currency, a rusty gear is valued at 1. gear (rusty)
damage
value - The ranged damage of a thrown weapon (such as a spear). spear
dissolveInWater
boolean false If true, will make an item disappear when dropped into a water block. flour, lime, salt
firepitConstructable
boolean false If true, allows an item to be used to construct a firepit. firewood, bamboostakes
fertilizerProps
n: value, p: value, k: value - Sets the item as a fertilizer and assigns it nitrogen(N), phosphorous(P) and potassium(K) values. bonemeal, potash

As an example, we can make a "universal fertilizer" that contributes a decent amount to each element:

	fertilizerProps: {n: 20, p: 20, k: 20},
grindingProps
- - Gives the item a grinding recipe in a quern. ore-ungraded
type
object - Type of stack produced, either a block or item. ore-ungraded
code
string - Name of the item or block produced by the recipe. ore-ungraded
stacksize
number - The amount of the output produced after grinding. ore-ungraded
health
health: value - If the item is a poultice, this is the amount it will heal (requires ItemPoultice class). poultice
isPlayableDisc
boolean false If true, will be playable on the echo chamber block. Requires a track to be set using the musicTrack property. resonancearchive
knappable
boolean false Allows an item to be "knapped" into primitive toolheads. flint, stone
microBlockChiseling
boolean false If true, will allow the item to be used for microblock chiseling.

NOTE: Microblock chiseling must also be active in the world settings.

chisel
metalUnits
number - Assigns the units of metal the item contributes when it is smelted.

NOTE: An item must be smeltable for this property to be of any use, make sure to check the combustableProps section for more info.

resonancearchive
musicTrack
path to ogg file - Assigns a path to the ogg file of the music track associated with an item that can be played on the echo chamber block. Will only function if the isPlayableDisc property is set to true. resonancearchive
nutritionPropsWhenInMeal
- - Changes the nutrition of a food item when it is cooked into a meal, otherwise the default nutrition property is used. egg, vegetable
satiety
number - Numerical value of saturation added. egg, vegetable
foodcategory
string - Category it adds to in the meal: Dairy(unused), Fruit, Grain, Protein and Vegetable egg, vegetable
pigment
- - Allows an item to be used as a pigment for coloring. resonancearchive
name
string - Assigns a name to the color of the pigment. charcoal
color
red:value, green: value, blue: value - The RGB values of the pigment, which can be found using any generic color picker. charcoal

As an example, let's say you wanted to make a valuable purple pigment from the shell of a rare rock snail:

	"pigment": {
           "name": "Tyrian Purple",
           "color": {
             "red": 102,
             "green": 2,
             "blue": 60
            }
          },

Here we can see that the pigment will be named "Tyrian Purple", and is made with the three RGB values (found from a Wikipedia article in this case).

reinforcementStrength
number - Allows an item to be used by the plumb and square tool to reinforce a block. A higher value indicates more times a block must be broken before it's removed. Example: Igneous stones = 50, Iron Ingot = 400 stone, ingot
spearEntityCode
Entity - Assigns an spear entity to be made when a spear is thrown. spear
workableTemperature
number - The temperature required for an item (an ingot) to be worked on an anvil. A value of 0 means it can be worked cold without heating. ingot
Common
storageFlags
number (storage flag ID) - Determines the kinds of storage types the item can be put into. These values also determine what type of items can fit into specialized inventory bags. arrow, armor, upperbody, ore-graded

The following are the current existing storage flags (some are unused or reserved) 1 - general 2 - backpack 4 - mining 8 - jewelcrafting 16 - alchemy 32 - agriculture 64 - currency 128 - clothes 256 - offhand 512 - arrows/ammo 1024, 2048, ... (doubling) - Reserved for mods

creativeinventory
key: string, value: string[] - In which creative inventory tabs the item should be visible in. Any Item

There are several to which you can add content from your mod. Note that general should always be included, since it should contain everything.

  • general
  • terrain
  • flora
  • construction
  • decorative
  • items

Rock adds all of it's variations to general, terrain and construction:

	creativeinventory: { "general": ["*"], "terrain": ["*"], "construction": ["*"] },

* represents the variants which will be added. You can specify multiple and separate them with a comma. It follows the same way as the byType property.

However, sometimes you may only want to show a single variant of your block or item (such as one that has multiple directional variants). In this case, you can set a specific variant to show up, once again using similar syntax to the variant code.

For example, a Torch only adds the variation up, since the block uses a class to determine which direction it will be placed in regardless of the variant used:

	creativeinventory: { "general": ["*-up"], "decorative": ["*-up"] },
maxstacksize
integer 64 Determines the maximum amount you can stack the item in one slot. hide, nugget
attackpower
decimal number 0.5 The damage the item deals when hitting an entity. sword, spear
attackrange
decimal number 1.5 The maximum distance you can hit an entity with the item. sword, spear
materialdensity
integer 9999 Determines on whether an object floats on liquids or not. ingot

Water has a density of 1000, meaning everything below or equal will float on water. The same goes for lava which has a density of 5000.

Vintage story uses real world densities for each material (where 1000 = 1 g/cm^3). To give an idea of the current range of densities, gold has a density of 19300, iron's is 7870, and a feather is 20.

liquidselectable
boolean false If the item can select a liquid while holding it in hand. -

Used for buckets in order to fill it with water and to place waterlily on top of water.

miningspeed
key: string, value: decimal number - The mining speed for each block material. pickaxe, shovel

Materials types are hard-coded into blocks, and include the following types:

soil, gravel, sand, wood, leaves, stone, liquid, snow, ice, metal, mantle, plant, glass, ceramic, cloth, lava, brick, fire, other

An item is not limited to a single material that it can mine, so if you wanted to make a tool (such as a mattock) that could mine many materials you could do the following:

	miningspeed: {
          "dirt": 5,
          "gravel": 4,
          "ice": 7,
          "metal": 3,
          "sand": 4,
          "snow": 3,
          "stone": 6,
        }
miningtier
integer 0 Determines which tier of blocks the item can break. If the block tier is above the one defined here nothing will be dropped from it when broken. Also determines the damage tier of a weapon, which is contested against armor tiers. pickaxe, sword
combustibleprops
object - Information about the items burnable states. redmeat, plank, ore-ungraded
burntemperature
integer - The temperature at which it burns in degrees celsius. redmeat, plank, ore-ungraded
burnduration
decimal number - For how long it burns in seconds. plank, ore-ungraded
heatresistance
integer 500 How many degrees celsius it can resists before it ignites (not implemented yet). redmeat, plank, ore-ungraded
meltingpoint
integer - How many degrees celsius it takes to smelt/transform this into another. Only used when put in a stove and Melted is set. redmeat, plank, ore-ungraded
meltingduration
decimal number - For how many seconds the temperature has to be above the melting point until the item is smelted. redmeat, plank, ore-ungraded
smokelevel
decimal number 1 How much smoke this item produces when being used as fuel. plank, ore-ungraded
smeltedratio
integer 1 How many items are required to produce one output stack. nugget, ore-graded
smeltedstack
object - If set, the block/item is smeltable and this is the resulting itemstack once the MeltingPoint has been reached for the supplied duration. nugget, ore-graded
requirescontainer
boolean true If set to true, the block/item requires a smelting/cooking/baking container such as the Crucible. If false, it can be directly baked/melted without smelting/cooking/baking container. nugget, ore-graded, lime

This property can be used to define a burning material. Plank for example can get on fire:

    combustibleProps: {
        burnTemperature: 800,
        burnDuration: 12,
    },

Furthermore it can be used to define smelting processes. An example would be an ingotmold which turns into an ingotmold-burned:

    combustiblePropsByType: {
        "ingotmold-raw": {
            meltingPoint: 600,
            meltingDuration: 30,
            smeltedRatio: 1,
            smeltedStack: { type: "block", code: "ingotmold-burned" },
            requiresContainer: false
        }
    },
nutritionprops
object - Defines the nutritional qualities of an item. fruit, grain, vegetable, redmeat
foodcategory
string - Defines the type of food. It can be fruit, vegetable, protein, grain and dairy. fruit, grain, vegetable, redmeat
saturation
decimal number 0 How much saturation it can restore. fruit, grain, vegetable, redmeat
health
decimal number 0 How much health it can restore. -
transitionableProps
- - Can be used to transition an item to another item or block. redmeat, hide
type
- - The type of transition method to utilize. redmeat, hide
Cure
string - Will "cure" an item by showing percent progress until cured. hide
Perish
string - Will gradually reduce the saturation of a food item once it's fresh period has passed, eventually converting into the product item (usually rot). hide
freshHours
number (hours) - An optional "fresh" period that must pass before the transition time starts. With food, this is the period of time that saturation is not affected. bread, vegetable, redmeat
transitionHours
number (hours) - Number of hours before the item transitions into a different item. redmeat, hide
transitionedStack
object (item or block) - The item or block that the item will transition into. redmeat, hide
transitionRatio
number - The quantity of the item that will be consumed after the transition period. redmeat, hide

Here we'll show an example of a custom food item that transitions into rot:

transitionableProps: [{
  type: "Perish",
  freshHours: { avg: 240 },
  transitionHours: { avg: 48 },
  transitionedStack { type: "item", code: "game:rot", quantity: 2 },
  transitionRatio: 1
}]

We can see that it will take on average 10 days before the food begins to spoil, after which it will degrade over 2 days before turning into 2 rot.

Rendering
texture
string required The texture definition for the item held in hand or dropped on the ground. Any Item
textures
string - Used to define the textures of a shape the item uses, rather than the singular item texture it pulls from. This is useful for items that use a shape and have visually distinct variants that you want to control in the item JSON. ingot, redmeat

A very simple example is how the ingot item uses the metal variants to change the texture of the shape it uses. Where "metal" is the texture defined in the ingot shape JSON, and is overrode here in the item JSON:

    textures: {
      "metal": { base: "block/metal/ingot/{metal}" },
    },
shape
object - The items shape. If left empty the item will instead use the texture assigned to it and turn it into a shape by default. flint, stone
voxelizeTexture
boolean - Tells an item to render it's texture as a shape rather than utilizing the assigned shape redmeat (vintage)
alternatives
array of shapes - Can be used to give an item alternative shapes based off of different states. bow
shape: {
  base: "item/tool/bow/{type}",
  alternates: [
    { base: "item/tool/bow/{type}-charge1" },
    { base: "item/tool/bow/{type}-charge2" },
    { base: "item/tool/bow/{type}-charge3" }  
  ]
},

In this example taken from the bow we can see that it will use alternative shapes when the bow is in different "charged" states.

shapeinventory
object - If used, gives the item a different shape while it's in the player's inventory. lantern
guiTransform
object item default Used for scaling, rotation or offsetting the item when rendered in guis. Any Item
fphandtransform
object item default Used for scaling, rotation or offsetting the item when rendered in the first person mode hand. Any Item
tphandtransform
object item default Used for scaling, rotation or offsetting the item when rendered in the third person mode hand. Any Item
groundtransform
object item default Used for scaling, rotation or offsetting the rendered as a dropped item on the ground. Any Item
toolrackTransform
string - If the item can be placed on a toolrack (using the rackable property) this will transform its position while on the toolrack. Axe, Hoe, Scythe, Sword
glowLevel
number 0 Gives the item a light value that it produces when held and dropped on the ground. gear (temporal)
heldTpUseAnimation
string - The animation played when an item is used with a right-click function. hoe
heldTpHitAnimation
string - The animation played when swinging the item with the left-click mouse button. axe, hoe, sword
heldTpIdleAnimation
string - Gives the item a unique animation when being idly held by the player. strawdummy

The following are available animations used by items in the game:

axe, breaktool, hoe, holdbothhandslarge, holdunderarm, knap, scythe, shears, shoveldig, smithing, spearhit, swordhit, twohandplaceblock, water.


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