heuristics progress

src/components/sections/results/table/ResultTableRow.jsx

@@ -89,37 +89,52 @@ const ResultTableRow = ({
           </Typography>
         ) : null}
       </TableCell>
-      {padCellArray(
-        maxSlotsLength,
-        character.gear.map((affix, index) => {
-          let textDecoration;
-          if (exoticRarity(affix, index) && mostCommonRarity !== 'exotic')
-            textDecoration = 'underline dotted #ffa405';
-          if (!exoticRarity(affix, index) && mostCommonRarity !== 'ascended')
-            textDecoration = 'underline dotted #fb3e8d';
+      {character.gear.length > 1 ? (
+        padCellArray(
+          maxSlotsLength,
+          character.gear.map((affix, index) => {
+            let textDecoration;
+            if (exoticRarity(affix, index) && mostCommonRarity !== 'exotic')
+              textDecoration = 'underline dotted #ffa405';
+            if (!exoticRarity(affix, index) && mostCommonRarity !== 'ascended')
+              textDecoration = 'underline dotted #fb3e8d';
 
-          const affixFragments = affix.split(/(?=[A-Z])/).filter((fragment) => fragment !== 'And');
-          const multiWordAffix = affixFragments.length > 1;
+            const affixFragments = affix
+              .split(/(?=[A-Z])/)
+              .filter((fragment) => fragment !== 'And');
+            const multiWordAffix = affixFragments.length > 1;
 
-          const shortAffix = affixFragments
-            .map((fragment) => fragment.slice(0, multiWordAffix ? 3 : 4))
-            .join('');
+            const shortAffix = affixFragments
+              .map((fragment) => fragment.slice(0, multiWordAffix ? 3 : 4))
+              .join('');
 
-          return (
-            <TableCell align="center" padding="none">
-              <Typography
-                style={{
-                  fontWeight: 300,
-                  fontSize: '1rem',
-                  textDecoration,
-                  color: mostCommonAffix && mostCommonAffix !== affix ? '#00cccc' : 'inherit',
-                }}
-              >
-                {shortAffix}
-              </Typography>
-            </TableCell>
-          );
-        }),
+            return (
+              <TableCell align="center" padding="none">
+                <Typography
+                  style={{
+                    fontWeight: 300,
+                    fontSize: '1rem',
+                    textDecoration,
+                    color: mostCommonAffix && mostCommonAffix !== affix ? '#00cccc' : 'inherit',
+                  }}
+                >
+                  {shortAffix}
+                </Typography>
+              </TableCell>
+            );
+          }),
+        )
+      ) : (
+        <TableCell align="center" padding="none" colSpan={14}>
+          <Typography
+            style={{
+              fontWeight: 300,
+              fontSize: '1rem',
+            }}
+          >
+            {character.gear[0]}
+          </Typography>
+        </TableCell>
       )}
       {padCellArray(
         2,

src/state/optimizer-parallel/optimizerSetup.ts

@@ -102,6 +102,7 @@ export function createSettings(reduxState: RootState): Settings {
     secondaryMaxInfusions,
     infusionMode,
     slots,
+    affixes,
     affixesArray,
     identicalArmor,
     identicalRing,
@@ -140,6 +141,7 @@ export function createSettings(reduxState: RootState): Settings {
     secondaryInfusion,
     secondaryMaxInfusions,
     infusionMode,
+    affixes,
     slots,
     affixesArray,
     identicalArmor,

src/state/optimizer/combinatorics.ts

@@ -0,0 +1,60 @@
+/* eslint-disable id-length */
+/* eslint-disable import/prefer-default-export */
+
+// warning: not optimized
+function binomialCoefficient(n: number, k: number) {
+  let result = 1;
+  for (let i = 1; i <= k; i++) {
+    result *= (n + 1 - i) / i;
+  }
+  return Math.round(result);
+}
+
+/**
+ * Generates every integer partition of n of exactly length k.
+ * Also known as the stars and bars problem.
+ *
+ * @example
+ * console.log([...iteratePartitions(5, 3)])
+ *
+ * // [
+ * //   [0, 0, 5],
+ * //   [0, 1, 4],
+ * //   [0, 2, 3],
+ * //   ...
+ * //   [4, 1, 0],
+ * //   [5, 0, 0]
+ * // ]
+ *
+ * @param {number} ballsN - total items to partition (n)
+ * @param {number} cupsK - partitions (k)
+ * @param {boolean} mutate - whether to repeatedly yield references to the same mutated array (faster)
+ * @yields {number[]}
+ */
+export function* iteratePartitions(
+  ballsN: number,
+  cupsK: number,
+  mutate = false,
+): Generator<number[], void, void> {
+  if (cupsK < 1) throw new Error('invalid iteratePartitions input');
+
+  const current: number[] = new Array(cupsK).fill(0);
+
+  function* inner(currentCup: number, currentBalls: number): Generator<number[], void, void> {
+    if (currentCup === cupsK - 1) {
+      current[currentCup] = currentBalls;
+      yield mutate ? current : [...current];
+    } else {
+      for (let i = 0; i <= currentBalls; i++) {
+        current[currentCup] = i;
+        yield* inner(currentCup + 1, currentBalls - i);
+      }
+    }
+  }
+
+  yield* inner(0, ballsN);
+}
+
+export function iteratePartitionCount(n: number, k: number) {
+  return binomialCoefficient(k + n - 1, n);
+}