| { |
| "schema_name": "actions_bin", |
| "schema_version": 9, |
| "artifact_suffix": ".actions.bin", |
| "format": "packed_fixed_width_binary", |
| "row_grain": "one record per decoded video frame", |
| "record_size_bytes": 14, |
| "byte_order": "little_endian", |
| "alignment": "packed_no_padding", |
| "description": "Per-frame controls for one POV sample. Player/game state is stored separately in state.bin.", |
| "frame_alignment": { |
| "record_i": "corresponds to decoded video frame i", |
| "tick_start": "tick field in record i", |
| "tick_end_exclusive": "tick + frame_tick_stride from the paired sample metadata", |
| "default_frame_tick_stride": 2, |
| "default_fps": 32, |
| "default_tick_rate": 64 |
| }, |
| "buttons_order": [ |
| "FORWARD", |
| "BACK", |
| "LEFT", |
| "RIGHT", |
| "JUMP", |
| "DUCK", |
| "WALK", |
| "FIRE", |
| "RIGHTCLICK", |
| "RELOAD", |
| "INSPECT", |
| "USE" |
| ], |
| "button_encoding": { |
| "storage_field": "buttons", |
| "dtype": "uint16", |
| "semantics": "bit i is set when buttons_order[i] is active for the frame interval" |
| }, |
| "fields": [ |
| { |
| "name": "tick", |
| "dtype": "uint32", |
| "offset": 0, |
| "bytes": 4, |
| "unit": "demo tick", |
| "description": "Absolute demo tick at the start of this video frame." |
| }, |
| { |
| "name": "delta_pitch", |
| "dtype": "float32", |
| "offset": 4, |
| "bytes": 4, |
| "unit": "degrees", |
| "description": "Per-frame pitch delta after v12 dense alignment." |
| }, |
| { |
| "name": "delta_yaw", |
| "dtype": "float32", |
| "offset": 8, |
| "bytes": 4, |
| "unit": "degrees", |
| "description": "Per-frame yaw delta, wrapped to the shortest angular difference." |
| }, |
| { |
| "name": "buttons", |
| "dtype": "uint16", |
| "offset": 12, |
| "bytes": 2, |
| "description": "Action button bitmask using buttons_order." |
| } |
| ], |
| "numpy_dtype": [ |
| ["tick", "<u4"], |
| ["delta_pitch", "<f4"], |
| ["delta_yaw", "<f4"], |
| ["buttons", "<u2"] |
| ], |
| "validation": [ |
| "file_size == frames * 14", |
| "one record per decoded video frame", |
| "no Steam IDs, account IDs, player names, or online identifiers" |
| ] |
| } |
|
|
