{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Equipment",
  "type": "object",
  "properties": {
    "schemaVersion": {
      "type": "number",
      "const": 1,
      "description": "Version of this file's layout. It changes only when the layout does."
    },
    "gameBuild": {
      "type": "string",
      "description": "Steam build id the data was extracted from."
    },
    "armor": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "minLength": 1,
            "description": "Item id from items.json."
          },
          "name": {
            "description": "Display name, as in items.json (the game's UI table). Absent when the game has none.",
            "type": "string"
          },
          "slot": {
            "type": "string",
            "minLength": 1,
            "description": "Equipment slot: `Armor` (body) or `Helmet`."
          },
          "damageContext": {
            "type": "string",
            "minLength": 1,
            "description": "The target tag damage rules use for this piece, such as `Armor.Heavy` or `Helmet.SuperHeavy` (see `target` in damage.json). The `Meta.Damage.` prefix is dropped."
          },
          "coveredLocations": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Body parts the piece protects, such as `Torso.Upper` or `Head`."
          },
          "durability": {
            "description": "Hit points of the armor before it is spent.",
            "type": "number",
            "exclusiveMinimum": 0
          },
          "stages": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "damageReduction": {
                  "type": "number",
                  "description": "Percent of damage the armor absorbs at this stage."
                },
                "thickness": {
                  "type": "number",
                  "description": "Plate thickness at this stage, as stored."
                },
                "density": {
                  "type": "number",
                  "description": "Plate density at this stage, as stored."
                }
              },
              "required": [
                "damageReduction",
                "thickness",
                "density"
              ],
              "additionalProperties": false
            },
            "description": "How protection changes as the armor wears down, from new to nearly spent."
          },
          "modifiers": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "attribute": {
                  "type": "string",
                  "minLength": 1,
                  "description": "Attribute, for example `Weapon.AimTime` (the game's `Attribute.Gameplay.*` tag without the prefix)."
                },
                "op": {
                  "type": "string",
                  "enum": [
                    "multiplyCompound",
                    "multiply",
                    "add",
                    "override"
                  ],
                  "description": "How the value combines: `multiplyCompound` and `multiply` scale the attribute (1.1 is +10%), `add` adds, `override` replaces. Several `multiplyCompound` modifiers multiply together."
                },
                "value": {
                  "type": "number",
                  "description": "The number applied. For `multiply` and `multiplyCompound`, 1.1 means +10%."
                }
              },
              "required": [
                "attribute",
                "op",
                "value"
              ],
              "additionalProperties": false,
              "description": "One change an attachment makes to a gameplay attribute."
            },
            "description": "Changes the piece makes to the wearer's attributes (speed, stamina and so on). Plain numbers only."
          }
        },
        "required": [
          "id",
          "slot",
          "damageContext",
          "coveredLocations",
          "stages",
          "modifiers"
        ],
        "additionalProperties": false,
        "description": "One armor or helmet item."
      },
      "description": "Armor and helmets, sorted by item id."
    },
    "weightClasses": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "minLength": 1,
            "description": "Weight class: `Lightest`, `Light`, `Medium`, `Heavy`, `SuperHeavy`."
          },
          "minWeightKg": {
            "type": "number",
            "minimum": 0,
            "description": "Carried weight in kilograms from which the class applies."
          },
          "modifiers": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "attribute": {
                  "type": "string",
                  "minLength": 1,
                  "description": "Attribute, for example `Weapon.AimTime` (the game's `Attribute.Gameplay.*` tag without the prefix)."
                },
                "op": {
                  "type": "string",
                  "enum": [
                    "multiplyCompound",
                    "multiply",
                    "add",
                    "override"
                  ],
                  "description": "How the value combines: `multiplyCompound` and `multiply` scale the attribute (1.1 is +10%), `add` adds, `override` replaces. Several `multiplyCompound` modifiers multiply together."
                },
                "value": {
                  "type": "number",
                  "description": "The number applied. For `multiply` and `multiplyCompound`, 1.1 means +10%."
                }
              },
              "required": [
                "attribute",
                "op",
                "value"
              ],
              "additionalProperties": false,
              "description": "One change an attachment makes to a gameplay attribute."
            },
            "description": "Changes to the player while in this class (speed, jump, stamina regeneration, aim sway, aim time)."
          }
        },
        "required": [
          "name",
          "minWeightKg",
          "modifiers"
        ],
        "additionalProperties": false,
        "description": "A tier of carried weight and what it does to the player."
      },
      "description": "Carried-weight tiers, lightest first. Item weights are in items.json."
    }
  },
  "required": [
    "schemaVersion",
    "gameBuild",
    "armor",
    "weightClasses"
  ],
  "additionalProperties": false,
  "description": "Worn protection and the effect of carried weight."
}