Interface RpeJson

The root structure of an RPE chart file (chart.json).

const chart: RpeJson = JSON.parse(fs.readFileSync('chart.json', 'utf8'));

interface RpeJson {
    BPMList: Bpm[];
    META: RpeMeta;
    chartTime: number;
    judgeLineGroup: string[];
    judgeLineList: JudgeLine[];
    multiLineString: string;
    multiScale: number;
}

Properties

BPMList: Bpm[]

BPM change list, sorted by beat. Must have at least one entry at beat 0.

chartTime: number

Total chart duration in seconds (informational, not used by the engine).

judgeLineGroup: string[]

Named groups for lines (e.g. ['default']). Lines reference these by index.

judgeLineList: JudgeLine[]

All judge lines in this chart. Order matters for rendering (lower index = drawn first).

multiLineString: string

Unused / internal string field. Typically empty.

multiScale: number

Unused / internal scale field. Typically 1.