| 70 | }; |
| 71 | |
| 72 | export const findYellowSectors = (messages: Message[] | undefined): Set<number> => { |
| 73 | const msgs = messages?.sort(sortUtc).filter((msg) => { |
| 74 | return msg.Flag === "YELLOW" || msg.Flag === "DOUBLE YELLOW" || msg.Flag === "CLEAR"; |
| 75 | }); |
| 76 | |
| 77 | if (!msgs) { |
| 78 | return new Set(); |
| 79 | } |
| 80 | |
| 81 | const done: Set<number> = new Set(); |
| 82 | const sectors: Set<number> = new Set(); |
| 83 | for (let i = 0; i < msgs.length; i++) { |
| 84 | const msg = msgs[i]; |
| 85 | if (msg.Scope === "Track" && msg.Flag !== "CLEAR") { |
| 86 | // Spam with sectors so all sectors are yellow no matter what |
| 87 | // number of sectors there really are |
| 88 | for (let j = 0; j < 100; j++) { |
| 89 | sectors.add(j); |
| 90 | } |
| 91 | return sectors; |
| 92 | } |
| 93 | if (msg.Scope === "Sector") { |
| 94 | if (!msg.Sector || done.has(msg.Sector)) { |
| 95 | continue; |
| 96 | } |
| 97 | if (msg.Flag === "CLEAR") { |
| 98 | done.add(msg.Sector); |
| 99 | } else { |
| 100 | sectors.add(msg.Sector); |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | return sectors; |
| 105 | }; |
| 106 | |
| 107 | type RenderedSector = { |
| 108 | number: number; |