{
  "schema_name": "state_bin",
  "schema_version": 1,
  "artifact_suffix": ".state.bin",
  "format": "packed_fixed_width_binary",
  "row_grain": "one record per decoded video frame",
  "record_size_bytes": 37,
  "byte_order": "little_endian",
  "alignment": "packed_no_padding",
  "description": "Per-frame POV-local player/game state labels for one sample. Controls live in actions.bin.",
  "fields": [
    {"name": "tick", "dtype": "uint32", "offset": 0, "bytes": 4},
    {"name": "pitch", "dtype": "float32", "offset": 4, "bytes": 4, "unit": "degrees"},
    {"name": "yaw", "dtype": "float32", "offset": 8, "bytes": 4, "unit": "degrees"},
    {"name": "pos_x", "dtype": "float32", "offset": 12, "bytes": 4, "unit": "CS2 world units"},
    {"name": "pos_y", "dtype": "float32", "offset": 16, "bytes": 4, "unit": "CS2 world units"},
    {"name": "pos_z", "dtype": "float32", "offset": 20, "bytes": 4, "unit": "CS2 world units"},
    {"name": "active_weapon", "dtype": "uint8", "offset": 24, "bytes": 1, "description": "Coarse weapon category id; see weapons.json."},
    {"name": "active_weapon_id", "dtype": "uint8", "offset": 25, "bytes": 1, "description": "Exact weapon id; see weapons.json. 0 means unknown."},
    {"name": "ammo_clip", "dtype": "uint8", "offset": 26, "bytes": 1},
    {"name": "ammo_reserve", "dtype": "uint8", "offset": 27, "bytes": 1, "sentinel": 255},
    {"name": "health", "dtype": "uint8", "offset": 28, "bytes": 1, "valid_range": [0, 100]},
    {"name": "armor_value", "dtype": "uint8", "offset": 29, "bytes": 1, "valid_range": [0, 100]},
    {"name": "balance", "dtype": "uint16", "offset": 30, "bytes": 2, "sentinel": 65535},
    {"name": "t_score", "dtype": "uint8", "offset": 32, "bytes": 1, "sentinel": 255},
    {"name": "ct_score", "dtype": "uint8", "offset": 33, "bytes": 1, "sentinel": 255},
    {"name": "has_helmet", "dtype": "uint8", "offset": 34, "bytes": 1, "valid_values": [0, 1]},
    {"name": "has_defuser", "dtype": "uint8", "offset": 35, "bytes": 1, "valid_values": [0, 1]},
    {"name": "has_bomb", "dtype": "uint8", "offset": 36, "bytes": 1, "valid_values": [0, 1]}
  ],
  "numpy_dtype": [
    ["tick", "<u4"],
    ["pitch", "<f4"],
    ["yaw", "<f4"],
    ["pos_x", "<f4"],
    ["pos_y", "<f4"],
    ["pos_z", "<f4"],
    ["active_weapon", "u1"],
    ["active_weapon_id", "u1"],
    ["ammo_clip", "u1"],
    ["ammo_reserve", "u1"],
    ["health", "u1"],
    ["armor_value", "u1"],
    ["balance", "<u2"],
    ["t_score", "u1"],
    ["ct_score", "u1"],
    ["has_helmet", "u1"],
    ["has_defuser", "u1"],
    ["has_bomb", "u1"]
  ],
  "validation": [
    "file_size == frames * 37",
    "one record per decoded video frame",
    "no Steam IDs, account IDs, player names, or online identifiers"
  ]
}