Release Healer Man 0.1.6

src/game/combatHealing.ts

@@ -0,0 +1,28 @@
+export interface HealingResolution {
+  readonly rawAmount: number;
+  readonly effectiveAmount: number;
+  readonly overheal: number;
+  readonly critical: boolean;
+}
+export function resolveHealing(
+  amount: number,
+  currentHealth: number,
+  maximumHealth: number,
+  criticalChance = 0,
+  roll = 1,
+  criticalMultiplier = 1.5,
+): HealingResolution {
+  const critical = Number.isFinite(roll) && roll < Math.max(0, Math.min(1, criticalChance));
+  const rawAmount = Math.max(0, Math.round(
+    (Number.isFinite(amount) ? amount : 0) * (critical ? Math.max(1, criticalMultiplier) : 1),
+  ));
+  const missing = Math.max(0, (Number.isFinite(maximumHealth) ? maximumHealth : 0)
+    - (Number.isFinite(currentHealth) ? currentHealth : 0));
+  const effectiveAmount = Math.min(rawAmount, missing);
+  return Object.freeze({
+    rawAmount,
+    effectiveAmount,
+    overheal: rawAmount - effectiveAmount,
+    critical,
+  });
+}