{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "$id": "https://github.com/Bobikobi/GAME/schema/json/reaction.schema.json",
  "type": "object",
  "required": [
    "format",
    "id",
    "title",
    "creator",
    "type",
    "reaction"
  ],
  "properties": {
    "$schema": {
      "type": "string"
    },
    "format": {
      "description": "Format version of this file.",
      "const": 1,
      "type": "number"
    },
    "id": {
      "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
      "maxLength": 80,
      "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
      "type": "string"
    },
    "title": {
      "minLength": 1,
      "maxLength": 40,
      "type": "string"
    },
    "creator": {
      "pattern": "^[a-z0-9_-]+$",
      "maxLength": 39,
      "description": "GitHub handle, lowercase.",
      "type": "string"
    },
    "description": {
      "minLength": 1,
      "maxLength": 240,
      "type": "string"
    },
    "ai_tools": {
      "maxItems": 8,
      "description": "AI tools used to make this file or its art. Required when any were used.",
      "type": "array",
      "items": {
        "minLength": 1,
        "maxLength": 60,
        "type": "string"
      }
    },
    "items": {
      "maxItems": 40,
      "type": "array",
      "items": {
        "additionalProperties": false,
        "type": "object",
        "required": [
          "id",
          "name",
          "kind",
          "rarity",
          "sprite",
          "weight"
        ],
        "properties": {
          "id": {
            "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
            "maxLength": 80,
            "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
            "type": "string"
          },
          "name": {
            "minLength": 1,
            "maxLength": 40,
            "type": "string"
          },
          "description": {
            "minLength": 1,
            "maxLength": 240,
            "type": "string"
          },
          "kind": {
            "anyOf": [
              {
                "const": "material",
                "type": "string"
              },
              {
                "const": "food",
                "type": "string"
              },
              {
                "const": "tool",
                "type": "string"
              },
              {
                "const": "fragment",
                "type": "string"
              },
              {
                "const": "treasure",
                "type": "string"
              }
            ]
          },
          "rarity": {
            "description": "Declared rarity. The check compares it with the rarity computed from the data.",
            "anyOf": [
              {
                "const": "common",
                "type": "string"
              },
              {
                "const": "uncommon",
                "type": "string"
              },
              {
                "const": "rare",
                "type": "string"
              },
              {
                "const": "legendary",
                "type": "string"
              }
            ]
          },
          "class": {
            "description": "A base class (plant, wood, fibre, ...) or the id of a class an extension declares under one of them.",
            "anyOf": [
              {
                "const": "plant",
                "type": "string"
              },
              {
                "const": "wood",
                "type": "string"
              },
              {
                "const": "fibre",
                "type": "string"
              },
              {
                "const": "stone",
                "type": "string"
              },
              {
                "const": "clay",
                "type": "string"
              },
              {
                "const": "mineral",
                "type": "string"
              },
              {
                "const": "metal",
                "type": "string"
              },
              {
                "const": "animal",
                "type": "string"
              },
              {
                "const": "meal",
                "type": "string"
              },
              {
                "const": "tool",
                "type": "string"
              },
              {
                "const": "garment",
                "type": "string"
              },
              {
                "const": "jewelry",
                "type": "string"
              },
              {
                "const": "relic",
                "type": "string"
              },
              {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              }
            ]
          },
          "family": {
            "pattern": "^[a-z0-9_-]+$",
            "maxLength": 24,
            "description": "A group inside the class, for example \"berry\" for every berry. Open: any lowercase word.",
            "type": "string"
          },
          "tags": {
            "maxItems": 8,
            "uniqueItems": true,
            "description": "Open words that describe it, for example \"sweet\" or \"night\".",
            "type": "array",
            "items": {
              "pattern": "^[a-z0-9_-]+$",
              "maxLength": 24,
              "description": "A lowercase word.",
              "type": "string"
            }
          },
          "tier": {
            "minimum": 1,
            "maximum": 20,
            "description": "How advanced it is, from 1. The rarity says how often it appears; the tier says how far up the ladder it is. A tool has the tier of its \"tool\".",
            "type": "integer"
          },
          "sprite": {
            "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+:[a-z0-9_/-]+$",
            "maxLength": 120,
            "description": "A frame of an art kit: \"<kit id>:<frame name>\", for example \"core/base-kit:items/berry\".",
            "type": "string"
          },
          "weight": {
            "minimum": 0,
            "maximum": 20,
            "description": "How heavy one unit is (DECISIONS.md, 2026-10-23): 0 for herbs, seeds and coins, 1 for most things, 3 for logs, stone and ore. The load against the weight limit sets the walking pace.",
            "type": "integer"
          },
          "food": {
            "additionalProperties": false,
            "type": "object",
            "required": [
              "satiety"
            ],
            "properties": {
              "satiety": {
                "minimum": 0,
                "maximum": 100,
                "description": "Health points restored when eaten (the meter holds 100 at the start). 0 for a food that only hurts.",
                "type": "integer"
              },
              "hurt": {
                "minimum": 1,
                "maximum": 100,
                "description": "Health points it takes when eaten, at any hour: a bad fruit or a raw herb (G30).",
                "type": "integer"
              }
            }
          },
          "tool": {
            "additionalProperties": false,
            "type": "object",
            "required": [
              "kind",
              "tier"
            ],
            "properties": {
              "kind": {
                "anyOf": [
                  {
                    "const": "basket",
                    "type": "string"
                  },
                  {
                    "const": "trowel",
                    "type": "string"
                  },
                  {
                    "const": "axe",
                    "type": "string"
                  },
                  {
                    "const": "staff",
                    "type": "string"
                  },
                  {
                    "const": "hammer",
                    "type": "string"
                  },
                  {
                    "const": "pick",
                    "type": "string"
                  },
                  {
                    "const": "rod",
                    "type": "string"
                  }
                ]
              },
              "tier": {
                "minimum": 1,
                "maximum": 5,
                "description": "Better tools work faster. The calculator clamps the total.",
                "type": "integer"
              },
              "uses": {
                "minimum": 1,
                "maximum": 1000,
                "description": "The tool wears out after this many uses. Left out, the tool lasts (DECISIONS.md, 2026-10-09: the crafting economy).",
                "type": "integer"
              }
            }
          },
          "fragment": {
            "additionalProperties": false,
            "description": "A found scrap that teaches a recipe.",
            "type": "object",
            "required": [
              "unlocks"
            ],
            "properties": {
              "unlocks": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              }
            }
          },
          "wear": {
            "additionalProperties": false,
            "description": "Something the character wears (DECISIONS.md, 2026-10-09: the upgrade). A worn item stays in the bag; it takes no place there, but its weight counts (2026-10-23).",
            "type": "object",
            "required": [
              "slot"
            ],
            "properties": {
              "slot": {
                "description": "Where it is worn: head, top, legs (trousers), outfit (takes the top and the legs), feet, jewelry (two places), hand (a tool) or back (one bag or one quiver).",
                "anyOf": [
                  {
                    "const": "head",
                    "type": "string"
                  },
                  {
                    "const": "top",
                    "type": "string"
                  },
                  {
                    "const": "legs",
                    "type": "string"
                  },
                  {
                    "const": "outfit",
                    "type": "string"
                  },
                  {
                    "const": "feet",
                    "type": "string"
                  },
                  {
                    "const": "jewelry",
                    "type": "string"
                  },
                  {
                    "const": "hand",
                    "type": "string"
                  },
                  {
                    "const": "back",
                    "type": "string"
                  }
                ]
              },
              "look": {
                "description": "A look: worn on the look layer over the work clothes. It shows and counts for nothing, so it has no effects and no set.",
                "type": "boolean"
              },
              "effects": {
                "minItems": 1,
                "maxItems": 2,
                "description": "Small bonuses while it is worn on the work layer. Two at most, each effect once.",
                "type": "array",
                "items": {
                  "additionalProperties": false,
                  "type": "object",
                  "required": [
                    "effect",
                    "value"
                  ],
                  "properties": {
                    "effect": {
                      "description": "What a worn item helps: gathering, digging or crafting speed, the craft chance, or rare finds.",
                      "anyOf": [
                        {
                          "const": "gather_speed_pct",
                          "type": "string"
                        },
                        {
                          "const": "dig_speed_pct",
                          "type": "string"
                        },
                        {
                          "const": "craft_speed_pct",
                          "type": "string"
                        },
                        {
                          "const": "craft_chance_pct",
                          "type": "string"
                        },
                        {
                          "const": "rare_find_pct",
                          "type": "string"
                        }
                      ]
                    },
                    "value": {
                      "minimum": 1,
                      "maximum": 100,
                      "description": "Percent, at most the cap of the item's tier (params.wear_effect_max_pct).",
                      "type": "integer"
                    }
                  }
                }
              },
              "set": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "A set of one creator: when every piece of it is worn, their effects grow by params.wear_set_bonus_pct.",
                "type": "string"
              },
              "places": {
                "minimum": 1,
                "maximum": 99,
                "description": "A bag on the back: the places it gives, instead of the hands' `bag_base`. Only a work piece on the back carries it (DECISIONS.md, 2026-10-23).",
                "type": "integer"
              },
              "load_bonus": {
                "minimum": 1,
                "maximum": 100,
                "description": "A bag on the back that moves the load to the hips: what it adds to the weight limit (`load.base` + might). Needs `places`.",
                "type": "integer"
              }
            }
          },
          "grade": {
            "additionalProperties": false,
            "description": "A finer grade of another item: the same good off a better animal. A stack splits by grade the way it splits by tier, so each grade is an item of its own; it keeps the plain item's class, kind, tier and value, and a recipe asks for it with \"min_grade\".",
            "type": "object",
            "required": [
              "of",
              "step"
            ],
            "properties": {
              "of": {
                "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                "maxLength": 80,
                "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                "type": "string"
              },
              "step": {
                "minimum": 2,
                "maximum": 3,
                "description": "2 is fine, 3 is true. A grade is read as a pose on the screen, never as a number (HUNTING section 5).",
                "type": "integer"
              }
            }
          },
          "premium_later": {
            "description": "Marks a look that may also be sold for premium currency once stage 6 brings it. Only a look item with no effect may carry it, and it stays obtainable in the game (DECISIONS.md, 2026-10-09).",
            "type": "boolean"
          }
        }
      }
    },
    "classes": {
      "maxItems": 10,
      "description": "Classes of your own, each under one base class.",
      "type": "array",
      "items": {
        "additionalProperties": false,
        "description": "A class of your own, declared under one base class. Every rule written for the base class holds for it.",
        "type": "object",
        "required": [
          "id",
          "name",
          "base"
        ],
        "properties": {
          "id": {
            "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
            "maxLength": 80,
            "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
            "type": "string"
          },
          "name": {
            "minLength": 1,
            "maxLength": 40,
            "type": "string"
          },
          "base": {
            "description": "plant (leaves, herbs, berries, fruit, roots, mushrooms), wood, fibre (reeds, grass, thread, cloth), stone, clay (clay, sand, pottery, brick), mineral (crystals, gems, salt, ore), metal (waits for its discovery), animal (feathers, wool, hide, bone), meal (cooked food), tool, garment (worn clothes), jewelry, relic (old things from the ruins).",
            "anyOf": [
              {
                "const": "plant",
                "type": "string"
              },
              {
                "const": "wood",
                "type": "string"
              },
              {
                "const": "fibre",
                "type": "string"
              },
              {
                "const": "stone",
                "type": "string"
              },
              {
                "const": "clay",
                "type": "string"
              },
              {
                "const": "mineral",
                "type": "string"
              },
              {
                "const": "metal",
                "type": "string"
              },
              {
                "const": "animal",
                "type": "string"
              },
              {
                "const": "meal",
                "type": "string"
              },
              {
                "const": "tool",
                "type": "string"
              },
              {
                "const": "garment",
                "type": "string"
              },
              {
                "const": "jewelry",
                "type": "string"
              },
              {
                "const": "relic",
                "type": "string"
              }
            ]
          },
          "description": {
            "minLength": 1,
            "maxLength": 240,
            "type": "string"
          }
        }
      }
    },
    "type": {
      "const": "reaction",
      "type": "string"
    },
    "reaction": {
      "additionalProperties": false,
      "type": "object",
      "required": [
        "on",
        "when",
        "then"
      ],
      "properties": {
        "on": {
          "description": "What it hangs on: every node of a resource, every spot of a treasure (\"*\": of every one), or every tile of a ground tag.",
          "anyOf": [
            {
              "additionalProperties": false,
              "type": "object",
              "required": [
                "resource"
              ],
              "properties": {
                "resource": {
                  "anyOf": [
                    {
                      "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                      "maxLength": 80,
                      "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                      "type": "string"
                    },
                    {
                      "const": "*",
                      "type": "string"
                    }
                  ]
                }
              }
            },
            {
              "additionalProperties": false,
              "type": "object",
              "required": [
                "treasure"
              ],
              "properties": {
                "treasure": {
                  "anyOf": [
                    {
                      "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                      "maxLength": 80,
                      "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                      "type": "string"
                    },
                    {
                      "const": "*",
                      "type": "string"
                    }
                  ]
                }
              }
            },
            {
              "additionalProperties": false,
              "type": "object",
              "required": [
                "tag"
              ],
              "properties": {
                "tag": {
                  "anyOf": [
                    {
                      "const": "grove",
                      "type": "string"
                    },
                    {
                      "const": "meadow",
                      "type": "string"
                    },
                    {
                      "const": "riverbank",
                      "type": "string"
                    },
                    {
                      "const": "ruin",
                      "type": "string"
                    },
                    {
                      "const": "town",
                      "type": "string"
                    },
                    {
                      "const": "water",
                      "type": "string"
                    },
                    {
                      "const": "path",
                      "type": "string"
                    },
                    {
                      "const": "interior",
                      "type": "string"
                    }
                  ]
                }
              }
            }
          ]
        },
        "when": {
          "additionalProperties": false,
          "minProperties": 1,
          "description": "Holds when every condition it names holds.",
          "type": "object",
          "properties": {
            "hours": {
              "description": "Game hours it holds, [from, to), as a node's `hours`.",
              "type": "array",
              "items": [
                {
                  "minimum": 0,
                  "maximum": 23,
                  "type": "integer"
                },
                {
                  "minimum": 1,
                  "maximum": 24,
                  "type": "integer"
                }
              ],
              "additionalItems": false,
              "minItems": 2,
              "maxItems": 2
            },
            "night": {
              "description": "true: only at night (20:00 to 05:00); false: only by day.",
              "type": "boolean"
            },
            "ready_for_ms": {
              "minimum": 0,
              "maximum": 3600000,
              "description": "The node it hangs on has stood ready, untouched, for at least this long, in game ms.",
              "type": "integer"
            },
            "on_tag": {
              "anyOf": [
                {
                  "const": "grove",
                  "type": "string"
                },
                {
                  "const": "meadow",
                  "type": "string"
                },
                {
                  "const": "riverbank",
                  "type": "string"
                },
                {
                  "const": "ruin",
                  "type": "string"
                },
                {
                  "const": "town",
                  "type": "string"
                },
                {
                  "const": "water",
                  "type": "string"
                },
                {
                  "const": "path",
                  "type": "string"
                },
                {
                  "const": "interior",
                  "type": "string"
                }
              ],
              "description": "The tile of the node or spot it hangs on carries this ground tag."
            },
            "player_within": {
              "minimum": 1,
              "maximum": 8,
              "description": "The player stands within this many tiles (the larger of the two distances).",
              "type": "integer"
            },
            "unseen": {
              "description": "The spot it hangs on lies beyond the player's sense reach, so the find does not show yet.",
              "const": true,
              "type": "boolean"
            },
            "chance_pct": {
              "minimum": 1,
              "maximum": 100,
              "description": "It holds on this many days in a hundred, drawn once a game day for each thing it hangs on, the same on every replay.",
              "type": "integer"
            },
            "weather": {
              "description": "The day's weather in the region of the thing it hangs on is this one.",
              "anyOf": [
                {
                  "const": "clear",
                  "type": "string"
                },
                {
                  "const": "rain",
                  "type": "string"
                },
                {
                  "const": "fog",
                  "type": "string"
                }
              ]
            }
          }
        },
        "then": {
          "description": "Its one effect: a node that appears, a slower or quicker respawn, or a sign for the eyes and ears.",
          "anyOf": [
            {
              "additionalProperties": false,
              "type": "object",
              "required": [
                "appear"
              ],
              "properties": {
                "appear": {
                  "additionalProperties": false,
                  "description": "A node that exists only while the condition holds, with the id \"<reaction id>@<node id>\". It is a source of its own in the value table, priced as any node (R6, R7).",
                  "type": "object",
                  "required": [
                    "output",
                    "yield",
                    "active_ms",
                    "respawn_ms",
                    "level",
                    "sprite",
                    "at"
                  ],
                  "properties": {
                    "output": {
                      "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+$",
                      "maxLength": 80,
                      "description": "Stable id \"creator/name\": lowercase letters, digits, \"_\" and \"-\". Never reused once merged.",
                      "type": "string"
                    },
                    "yield": {
                      "minimum": 1,
                      "maximum": 20,
                      "description": "Units gathered per execution at perfect timing.",
                      "type": "integer"
                    },
                    "active_ms": {
                      "minimum": 0,
                      "maximum": 3600000,
                      "description": "Time the player is busy gathering it once.",
                      "type": "integer"
                    },
                    "respawn_ms": {
                      "minimum": 0,
                      "maximum": 3600000,
                      "description": "Time before it can show again once taken, while its condition still holds. Waiting is never paid.",
                      "type": "integer"
                    },
                    "level": {
                      "minimum": 1,
                      "maximum": 20,
                      "description": "Foraging level required.",
                      "type": "integer"
                    },
                    "tool": {
                      "anyOf": [
                        {
                          "const": "basket",
                          "type": "string"
                        },
                        {
                          "const": "trowel",
                          "type": "string"
                        },
                        {
                          "const": "axe",
                          "type": "string"
                        },
                        {
                          "const": "staff",
                          "type": "string"
                        },
                        {
                          "const": "hammer",
                          "type": "string"
                        },
                        {
                          "const": "pick",
                          "type": "string"
                        },
                        {
                          "const": "rod",
                          "type": "string"
                        }
                      ]
                    },
                    "game": {
                      "description": "The minigame played when gathering it, as a resource's `game`.",
                      "anyOf": [
                        {
                          "const": "timing",
                          "type": "string"
                        },
                        {
                          "const": "strike",
                          "type": "string"
                        },
                        {
                          "const": "pick",
                          "type": "string"
                        },
                        {
                          "const": "snap",
                          "type": "string"
                        }
                      ]
                    },
                    "sprite": {
                      "pattern": "^[a-z0-9_-]+/[a-z0-9_-]+:[a-z0-9_/-]+$",
                      "maxLength": 120,
                      "description": "A frame of an art kit: \"<kit id>:<frame name>\", for example \"core/base-kit:items/berry\".",
                      "type": "string"
                    },
                    "at": {
                      "description": "The tile it shows on: the tile of the thing it hangs on, or the one next to it on that side.",
                      "anyOf": [
                        {
                          "const": "here",
                          "type": "string"
                        },
                        {
                          "const": "above",
                          "type": "string"
                        },
                        {
                          "const": "below",
                          "type": "string"
                        },
                        {
                          "const": "left",
                          "type": "string"
                        },
                        {
                          "const": "right",
                          "type": "string"
                        }
                      ]
                    }
                  }
                }
              }
            },
            {
              "additionalProperties": false,
              "type": "object",
              "required": [
                "wait"
              ],
              "properties": {
                "wait": {
                  "minimum": 500,
                  "maximum": 2000,
                  "description": "Scales the respawn of the node it hangs on, in permille. Waiting is never paid, so no value moves.",
                  "type": "integer"
                }
              }
            },
            {
              "additionalProperties": false,
              "type": "object",
              "required": [
                "cue"
              ],
              "properties": {
                "cue": {
                  "description": "A sign the client draws at a tile, with a shape and a sound and never a number or a word: birds lift from cover, fish rise on the water.",
                  "anyOf": [
                    {
                      "const": "birds_lift",
                      "type": "string"
                    },
                    {
                      "const": "fish_rise",
                      "type": "string"
                    }
                  ]
                },
                "spread": {
                  "minimum": 0,
                  "maximum": 2,
                  "description": "The cue shows on a tile drawn within this many tiles of the thing, so it marks an area and not the tile. Left out: 0.",
                  "type": "integer"
                }
              }
            }
          ]
        }
      }
    }
  }
}
