Random Fantasy Festival District Plan Generator

Description

Allocate supplied fictional event types to capacity-limited districts with optional occupied-induced-graph connectivity; bounded nonuniform search, not crowd-safety planning.

Worldbuilding fixtures describe an invented setting through supplied entities and explicit relations. A reproducible arrangement can support games or writing exercises while keeping constructed history and geography separate from factual claims about the real world.

Allocate supplied fictional event types to capacity-limited districts with optional occupied-induced-graph connectivity; bounded nonuniform search, not crowd-safety planning.

When to use this tool

Use this generator to create reproducible fantasy festival district plan cases from the supplied model or bank. Inspect the returned evidence before using cases in a test or exercise.

How to use the tool and how it works

Supply districts, boundaries, events, requireConnectedOccupied in the field shapes below. Set seed when you need an explicit replay.
Run the tool and correct any input error. For generated controls, distinguish a successful fixture containing an invalid case from failure to generate the fixture.
Read assignments, districts, occupiedComponentCount, componentCount, fictional. Use the conventions below. Keep answer-bearing fields separate when presenting an exercise.

Assign every event to a district permitting its type and having capacity, using bounded randomized search. If requested, require the occupied districts' induced boundary graph to be connected. Return residual capacities and occupied/all-network component counts.^[1]

Input field	Meaning and units	Accepted input
districts	Districts	Required. Array of Object; no unknown keys.; minimum items 1; maximum items 12.
districts[].id	Literal identifier used independently of display labels.	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
districts[].capacity	Capacity	Required. Safe integer; minimum 0; maximum 32.
districts[].allowedEventTypeIds	Allowed Event Type Ids	Required. Array of Text; minimum UTF-16 length 1; maximum UTF-16 length 64.; minimum items 0; maximum items 16.
boundaries	Boundaries	Required. Array of Object; no unknown keys.; minimum items 0; maximum items 64.
boundaries[].from	From	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
boundaries[].to	To	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
events	Events	Required. Array of Object; no unknown keys.; minimum items 0; maximum items 32.
events[].id	Literal identifier used independently of display labels.	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
events[].typeId	Type Id	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
requireConnectedOccupied	Require Connected Occupied	Required. Boolean.
seed	Optional numeric seed; takes precedence over context randomness. Without either, use the fixed tool.io default seed.	Optional. Safe integer.

Output field	Interpretation	Returned shape
assignments	Assignments	Required. Array of Object; no unknown keys.; minimum items 0; maximum items 32.
assignments[].eventId	Event Id	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
assignments[].districtId	District Id	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
districts	Districts	Required. Array of Object; no unknown keys.; minimum items 1; maximum items 12.
districts[].id	Literal identifier used independently of display labels.	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
districts[].assignedCount	Assigned Count	Required. Safe integer; minimum 0; maximum 32.
districts[].remainingCapacity	Remaining Capacity	Required. Safe integer; minimum 0; maximum 32.
occupiedComponentCount	Occupied Component Count	Required. Safe integer; minimum 0; maximum 12.
componentCount	Component Count	Required. Safe integer; minimum 1; maximum 12.
fictional	Fictional	Required. Boolean; exactly true.
randomness	Replay source and normalized 32-bit seed, or null seed for an advancing context source.	Required. Object; no unknown keys.
randomness.seed	Optional safe-integer replay seed; normalization and precedence are explained below.	Required. Safe integer. or Null.
randomness.source	Source	Required. Text; one of "context", "seed".

An explicit safe-integer seed takes precedence over injected context randomness and is normalized to an unsigned 32-bit integer. With no seed and no context source, replay uses the fixed tool.io default seed. A context source must return finite values from zero inclusive to one exclusive; its advancing state must be retained separately. randomness records the source and normalized seed, or null for context. These generators are not cryptographic random sources.

json

{
  "input": {
    "districts": [
      {
        "id": "a",
        "capacity": 1,
        "allowedEventTypeIds": [
          "music"
        ]
      },
      {
        "id": "b",
        "capacity": 2,
        "allowedEventTypeIds": [
          "music",
          "craft"
        ]
      }
    ],
    "boundaries": [
      {
        "from": "a",
        "to": "b"
      }
    ],
    "events": [
      {
        "id": "e1",
        "typeId": "music"
      },
      {
        "id": "e2",
        "typeId": "craft"
      },
      {
        "id": "e3",
        "typeId": "craft"
      }
    ],
    "requireConnectedOccupied": true,
    "seed": 42
  },
  "output": {
    "assignments": [
      {
        "eventId": "e1",
        "districtId": "a"
      },
      {
        "eventId": "e2",
        "districtId": "b"
      },
      {
        "eventId": "e3",
        "districtId": "b"
      }
    ],
    "districts": [
      {
        "id": "a",
        "assignedCount": 1,
        "remainingCapacity": 0
      },
      {
        "id": "b",
        "assignedCount": 2,
        "remainingCapacity": 0
      }
    ],
    "occupiedComponentCount": 1,
    "componentCount": 1,
    "fictional": true,
    "randomness": {
      "seed": 42,
      "source": "seed"
    }
  }
}

Limitations and assumptions

Occupied connectivity differs from connectivity of the whole supplied district graph. This is a fictional allocation, not crowd capacity, event timing, staffing, or physical safety assessment.
A replay requires the same complete input and implementation. The stated sampling convention applies within its eligible space. A finite draw does not exhaust all possible outputs; repeats remain possible unless a distinct-selection rule is explicit.
The field tables state structural bounds; cross-field constraints and bounded search or output budgets also apply. Unknown keys are rejected where the object contract disallows them. Input errors are distinct from null fields and deliberate invalid controls in a successful output.

Alternative or Complementary methods

For a supplied example, inspect the returned construction or delegated check directly. To evaluate a consumer, also test cases chosen for its own boundaries; a generated finite corpus does not establish exhaustive coverage.

References

Tool behavior and example: Random Fantasy Festival District Plan Generator — tool.io

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