feat: better arcaea judgement cell + ptt calculation fixes (#1589)

* feat: PM judgements + correct rating calc

* apparently, I forgot SQL syntax

* rg-stats test case

typescript/server/src/game-implementations/games/arcaea.test.ts

@@ -131,7 +131,7 @@ describe("ARCAEA_IMPL", () => {
 		expect(
 			ARCAEA_IMPL.scoreCalcs(scoreData, ARCAEA_IMPL.scoreDeriver(scoreData, chart), chart)
 				.potential,
-		).toBe(11.99);
+		).toBe(11.99683);
 	});
 
 	describe("classDerivers (naivePotential → badge)", () => {
@@ -330,5 +330,27 @@ describe("ARCAEA_IMPL", () => {
 				ARCAEA_IMPL.chartSpecificValidators.score(10_001_152, chartWithoutNotecount),
 			).toBe(true);
 		});
+
+		it("rejects inconsistent pure counts", () => {
+			expect(
+				runVal({
+					scoreData: {
+						lamp: "PURE MEMORY",
+						score: 10_001_151,
+						judgements: { pure: 1150, far: 0, lost: 0 },
+					},
+				}),
+			).toEqual([`Impossible PURE MEMORY. Got ${10_001_151} with ${1150} pures.`]);
+
+			expect(
+				runVal({
+					scoreData: {
+						lamp: "PURE MEMORY",
+						score: 10_001_151,
+						judgements: { pure: 1151, far: 0, lost: 0 },
+					},
+				}),
+			).toBeUndefined();
+		});
 	});
 });

typescript/server/src/game-implementations/games/arcaea.ts

@@ -125,5 +125,19 @@ export const ARCAEA_IMPL: GameImplementation<"arcaea"> = {
 				return "Cannot have a FULL RECALL with non-zero lost count.";
 			}
 		},
+		(s) => {
+			const { pure, far, lost } = s.scoreData.judgements;
+
+			if (
+				!IsNullish(pure) &&
+				(far ?? 0) + (lost ?? 0) === 0 &&
+				s.scoreData.lamp === "PURE MEMORY"
+			) {
+				const shinyPure = s.scoreData.score - 10_000_000;
+				if (shinyPure > pure) {
+					return `Impossible PURE MEMORY. Got ${s.scoreData.score} with ${pure} pures.`;
+				}
+			}
+		},
 	],
 };