diff --git a/api/src/lib/ancientRunicLeatherHorseBreastplateBench.ts b/api/src/lib/ancientRunicLeatherHorseBreastplateBench.ts new file mode 100644 index 00000000..c6799a0f --- /dev/null +++ b/api/src/lib/ancientRunicLeatherHorseBreastplateBench.ts @@ -0,0 +1,261 @@ +import crypto from "node:crypto"; + +/** + * Ancient Runic Leather Horse Breastplate Bench, Mithril Yoke Rig & Celestial Valkyrie Breastplate Sanctum Engine for OpenAO MMORPG. + * Simulates equestrian breastplate crafting benches and chest yoke tension rigs (Elder Breastplate Bench, Runic Oak Breastplate Rig, Celestial Void Valkyrie Breastplate Sanctum), + * raw tanned warsteed breastplate straps and tempered mithril breastplate chest ring sets (Tanned Warsteed Breastplate Strap, Tempered Mithril Breastplate Chest Ring, Celestial Void Astral Breastplate Pelt), + * novice expedition breastplates and sovereign aerial breastplate recipes (Novice Expedition Breastplate, Warmaster Mithril Reinforced Breastplate, Celestial Void Valkyrie Sovereign Breastplate), + * independent steed uphill-saddle retention ratings and chest armor protection ratings (scaled across catalog baselines ~16% to 100%), calibrated clamped uphill saddle retention bonus and chest armor protection scaling, + * upfront leather material deduction on all craft attempts, consistent remainingProvidedLeathers return shapes across all paths, immutable bench cloning for safe rollbacks on both craft and maintain operations, cached static catalog maxima, crypto-secure default gameplay rolls strictly in [0, 1), authoritative catalog power ratio without dead instance fields, and horse breastplate bench maintenance. + */ + +export type BreastplateBenchType = "ELDER_BREASTPLATE_BENCH" | "RUNIC_OAK_BREASTPLATE_RIG" | "CELESTIAL_VOID_VALKYRIE_BREASTPLATE_SANCTUM"; +export type RawLeatherBreastplateType = "TANNED_WARSTEED_BREASTPLATE_STRAP" | "TEMPERED_MITHRIL_BREASTPLATE_CHEST_RING" | "CELESTIAL_VOID_ASTRAL_BREASTPLATE_PELT"; +export type BreastplateRecipeType = "NOVICE_EXPEDITION_BREASTPLATE" | "WARMASTER_MITHRIL_REINFORCED_BREASTPLATE" | "CELESTIAL_VOID_VALKYRIE_SOVEREIGN_BREASTPLATE"; + +export interface BreastplateBenchData { + benchType: BreastplateBenchType; + maxDurability: number; + leathercraftPower: number; + baseSuccessRatePercent: number; // 0 to 100 + breastplateStabilityBonusPercent: number; +} + +export interface BreastplateRecipeData { + recipeType: BreastplateRecipeType; + requiredLeatherType: RawLeatherBreastplateType; + requiredLeatherCount: number; + baseUphillSaddleRetentionPercent: number; + baseChestArmorProtectionPercent: number; +} + +export interface ActiveBreastplateBench { + benchId: string; + leatherworkerPlayerId: string; + benchType: BreastplateBenchType; + currentDurability: number; + maxDurability: number; + isFunctional: boolean; +} + +export interface CraftedHorseBreastplate { + breastplateId: string; + recipeType: BreastplateRecipeType; + finalUphillSaddleRetentionPercent: number; + finalChestArmorProtectionPercent: number; + breastplateAnchorStabilityPercent: number; // Scaled rating (clamped 0 to 100%, with catalog bench baselines ~16% to 100%) + consumedLeatherCount: number; + consumedLeatherType: RawLeatherBreastplateType; + remainingProvidedLeathers: RawLeatherBreastplateType[]; + craftedEpochMs: number; +} + +export const BREASTPLATE_BENCH_CATALOG: Record = { + ELDER_BREASTPLATE_BENCH: { benchType: "ELDER_BREASTPLATE_BENCH", maxDurability: 95, leathercraftPower: 30, baseSuccessRatePercent: 87, breastplateStabilityBonusPercent: 14 }, + RUNIC_OAK_BREASTPLATE_RIG: { benchType: "RUNIC_OAK_BREASTPLATE_RIG", maxDurability: 200, leathercraftPower: 72, baseSuccessRatePercent: 94, breastplateStabilityBonusPercent: 24 }, + CELESTIAL_VOID_VALKYRIE_BREASTPLATE_SANCTUM: { benchType: "CELESTIAL_VOID_VALKYRIE_BREASTPLATE_SANCTUM", maxDurability: 350, leathercraftPower: 130, baseSuccessRatePercent: 99, breastplateStabilityBonusPercent: 40 }, +}; + +export const BREASTPLATE_RECIPE_CATALOG: Record = { + NOVICE_EXPEDITION_BREASTPLATE: { recipeType: "NOVICE_EXPEDITION_BREASTPLATE", requiredLeatherType: "TANNED_WARSTEED_BREASTPLATE_STRAP", requiredLeatherCount: 2, baseUphillSaddleRetentionPercent: 24, baseChestArmorProtectionPercent: 14 }, + WARMASTER_MITHRIL_REINFORCED_BREASTPLATE: { recipeType: "WARMASTER_MITHRIL_REINFORCED_BREASTPLATE", requiredLeatherType: "TEMPERED_MITHRIL_BREASTPLATE_CHEST_RING", requiredLeatherCount: 2, baseUphillSaddleRetentionPercent: 50, baseChestArmorProtectionPercent: 30 }, + CELESTIAL_VOID_VALKYRIE_SOVEREIGN_BREASTPLATE: { recipeType: "CELESTIAL_VOID_VALKYRIE_SOVEREIGN_BREASTPLATE", requiredLeatherType: "CELESTIAL_VOID_ASTRAL_BREASTPLATE_PELT", requiredLeatherCount: 2, baseUphillSaddleRetentionPercent: 84, baseChestArmorProtectionPercent: 64 }, +}; + +export class AncientRunicLeatherHorseBreastplateBenchEngine { + public static readonly DURABILITY_COST_PER_CRAFT = 10; + + /** + * Cached static catalog maxima to prevent runtime array reallocation. + */ + public static readonly CATALOG_MAXIMA = { + maxPower: Math.max(...Object.values(BREASTPLATE_BENCH_CATALOG).map(b => b.leathercraftPower), 1), + maxBonus: Math.max(...Object.values(BREASTPLATE_BENCH_CATALOG).map(b => b.breastplateStabilityBonusPercent), 1), + }; + + /** + * Generates a crypto-secure UUID or 128-bit hex string using node:crypto. + */ + private static generateSecureId(): string { + if (typeof crypto.randomUUID === "function") { + return crypto.randomUUID(); + } + return crypto.randomBytes(16).toString("hex"); + } + + /** + * Generates a cryptographically secure random float strictly in [0, 1). + */ + public static generateSecureRoll(): number { + if (typeof crypto.randomInt === "function") { + return crypto.randomInt(0, 1000000) / 1000000; + } + return crypto.randomBytes(4).readUInt32LE(0) / 0x100000000; + } + + /** + * Constructs and initializes a horse breastplate crafting bench or chest yoke tension rig. + */ + public static constructBench( + leatherworkerPlayerId: string, + benchType: BreastplateBenchType + ): ActiveBreastplateBench { + const data = BREASTPLATE_BENCH_CATALOG[benchType]; + if (!data) { + throw new Error(`Unsupported horse breastplate bench type: ${String(benchType)}`); + } + + const uuid = this.generateSecureId(); + + return { + benchId: `bench_${benchType.toLowerCase()}_${uuid}`, + leatherworkerPlayerId, + benchType, + currentDurability: data.maxDurability, + maxDurability: data.maxDurability, + isFunctional: true, + }; + } + + /** + * Stitches and tensions breastplate straps and tempered mithril chest rings into horse breastplates. + * Returns an updated clone of `bench` leaving the input instance immutable. + */ + public static craftBreastplate( + bench: ActiveBreastplateBench, + recipeType: BreastplateRecipeType, + providedLeathers: RawLeatherBreastplateType[], + craftRoll?: number, + stabilityRoll?: number, + currentEpochMs = Date.now() + ): { success: boolean; breastplate?: CraftedHorseBreastplate; updatedBench?: ActiveBreastplateBench; remainingDurability: number; remainingProvidedLeathers: RawLeatherBreastplateType[]; reason?: string } { + const fallbackLeathers = Array.isArray(providedLeathers) ? [...providedLeathers] : []; + + if (!bench || !bench.isFunctional || bench.currentDurability < this.DURABILITY_COST_PER_CRAFT) { + return { + success: false, + updatedBench: bench ? { ...bench } : undefined, + remainingDurability: bench?.currentDurability ?? 0, + remainingProvidedLeathers: fallbackLeathers, + reason: `Horse breastplate bench is warped or lacks durability (requires ${this.DURABILITY_COST_PER_CRAFT}).`, + }; + } + + const benchData = BREASTPLATE_BENCH_CATALOG[bench.benchType]; + if (!benchData) { + return { success: false, updatedBench: { ...bench }, remainingDurability: bench.currentDurability, remainingProvidedLeathers: fallbackLeathers, reason: `Unknown bench model: ${String(bench.benchType)}` }; + } + + const recipe = BREASTPLATE_RECIPE_CATALOG[recipeType]; + if (!recipe) { + return { success: false, updatedBench: { ...bench }, remainingDurability: bench.currentDurability, remainingProvidedLeathers: fallbackLeathers, reason: `Unknown horse breastplate recipe: ${String(recipeType)}` }; + } + + if (!Array.isArray(providedLeathers)) { + return { success: false, updatedBench: { ...bench }, remainingDurability: bench.currentDurability, remainingProvidedLeathers: [], reason: "Invalid leathers array." }; + } + + // Count matching leather materials + const matchingCount = providedLeathers.filter(l => l === recipe.requiredLeatherType).length; + if (matchingCount < recipe.requiredLeatherCount) { + return { + success: false, + updatedBench: { ...bench }, + remainingDurability: bench.currentDurability, + remainingProvidedLeathers: fallbackLeathers, + reason: `Insufficient breastplate straps/chest rings: requires ${recipe.requiredLeatherCount}x ${recipe.requiredLeatherType}, provided ${matchingCount}.`, + }; + } + + // Create updated bench clone + const updatedBench = { ...bench }; + + // Deduct durability on clone + updatedBench.currentDurability -= this.DURABILITY_COST_PER_CRAFT; + if (updatedBench.currentDurability < this.DURABILITY_COST_PER_CRAFT) { + updatedBench.currentDurability = Math.max(0, updatedBench.currentDurability); + updatedBench.isFunctional = false; + } + + // Deduct materials upfront on all craft attempts + const remaining = [...providedLeathers]; + let removed = 0; + for (let i = remaining.length - 1; i >= 0 && removed < recipe.requiredLeatherCount; i--) { + if (remaining[i] === recipe.requiredLeatherType) { + remaining.splice(i, 1); + removed++; + } + } + + const safeRoll = typeof craftRoll === "number" && Number.isFinite(craftRoll) ? Math.max(0, Math.min(1, craftRoll)) : this.generateSecureRoll(); + const rollPercent = safeRoll * 100; + + if (rollPercent > benchData.baseSuccessRatePercent) { + return { + success: false, + updatedBench, + remainingDurability: updatedBench.currentDurability, + remainingProvidedLeathers: remaining, + reason: `Breastplate strap misaligned: mithril chest ring warped under tension rig, rolled ${rollPercent.toFixed(1)}, needed <= ${benchData.baseSuccessRatePercent}.`, + }; + } + + // Calculate independent breastplate anchor stability score dynamically using cached catalog maxima & authoritative catalog values (clamped 0% to 100%) + const { maxPower, maxBonus } = this.CATALOG_MAXIMA; + const safeStabilityRoll = typeof stabilityRoll === "number" && Number.isFinite(stabilityRoll) ? Math.max(0, Math.min(1, stabilityRoll)) : this.generateSecureRoll(); + const powerRatio = Math.min(1.0, benchData.leathercraftPower / maxPower); + const bonusPoints = (benchData.breastplateStabilityBonusPercent / maxBonus) * 20; + const stabilityScore = Math.max(0, Math.min(100, Math.round( + (safeStabilityRoll * 40) + (powerRatio * 40) + bonusPoints + ))); + const qualityMultiplier = 0.8 + ((stabilityScore / 100) * 0.4); // 0.8 to 1.2x + + const finalRetention = Math.max(0, Math.min(100, Math.round(recipe.baseUphillSaddleRetentionPercent * qualityMultiplier))); + const finalProtection = Math.max(0, Math.min(100, Math.round(recipe.baseChestArmorProtectionPercent * qualityMultiplier))); + + const uuid = this.generateSecureId(); + + const breastplate: CraftedHorseBreastplate = { + breastplateId: `breastplate_${recipeType.toLowerCase()}_${uuid}`, + recipeType, + finalUphillSaddleRetentionPercent: finalRetention, + finalChestArmorProtectionPercent: finalProtection, + breastplateAnchorStabilityPercent: stabilityScore, + consumedLeatherCount: recipe.requiredLeatherCount, + consumedLeatherType: recipe.requiredLeatherType, + remainingProvidedLeathers: remaining, + craftedEpochMs: currentEpochMs, + }; + + return { + success: true, + breastplate, + updatedBench, + remainingDurability: updatedBench.currentDurability, + remainingProvidedLeathers: remaining, + }; + } + + /** + * Cleans equestrian trail grime and maintains horse breastplate bench. + * Returns an updated clone of `bench` leaving the input instance immutable. + */ + public static maintainBench( + bench: ActiveBreastplateBench, + repairAmount = 50 + ): { success: boolean; updatedBench?: ActiveBreastplateBench; newDurability: number; isFunctional: boolean } { + if (!bench) return { success: false, newDurability: 0, isFunctional: false }; + + const updatedBench = { ...bench }; + const amt = Number.isFinite(repairAmount) ? Math.max(0, repairAmount) : 50; + updatedBench.currentDurability = Math.min(updatedBench.maxDurability, updatedBench.currentDurability + amt); + updatedBench.isFunctional = updatedBench.currentDurability >= this.DURABILITY_COST_PER_CRAFT; + + return { + success: true, + updatedBench, + newDurability: updatedBench.currentDurability, + isFunctional: updatedBench.isFunctional, + }; + } +} diff --git a/api/src/tests/ancientRunicLeatherHorseBreastplateBench.test.ts b/api/src/tests/ancientRunicLeatherHorseBreastplateBench.test.ts new file mode 100644 index 00000000..c066000d --- /dev/null +++ b/api/src/tests/ancientRunicLeatherHorseBreastplateBench.test.ts @@ -0,0 +1,154 @@ +import { describe, it, expect } from "vitest"; +import { AncientRunicLeatherHorseBreastplateBenchEngine } from "../lib/ancientRunicLeatherHorseBreastplateBench"; +import type { ActiveBreastplateBench } from "../lib/ancientRunicLeatherHorseBreastplateBench"; + +describe("AncientRunicLeatherHorseBreastplateBenchEngine Equestrian Breastplate Stitching Benches & Rigs", () => { + it("crafts Celestial Void Valkyrie Sovereign Breastplate in Breastplate Sanctum achieving 100% anchor stability and returns remaining pelts", () => { + const bench = AncientRunicLeatherHorseBreastplateBenchEngine.constructBench("leather_01", "CELESTIAL_VOID_VALKYRIE_BREASTPLATE_SANCTUM"); + expect(bench.benchType).toBe("CELESTIAL_VOID_VALKYRIE_BREASTPLATE_SANCTUM"); + expect(bench.currentDurability).toBe(350); + + const initialLeathers = [ + "CELESTIAL_VOID_ASTRAL_BREASTPLATE_PELT", + "CELESTIAL_VOID_ASTRAL_BREASTPLATE_PELT", + "CELESTIAL_VOID_ASTRAL_BREASTPLATE_PELT" + ] as any[]; + + const craftRes = AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate( + bench, + "CELESTIAL_VOID_VALKYRIE_SOVEREIGN_BREASTPLATE", + initialLeathers, + 0.1, // Success roll + 1.0, // Stability roll 1.0 -> 40 + 40 + 20 = 100% + 100000 + ); + + expect(craftRes.success).toBe(true); + expect(craftRes.breastplate?.recipeType).toBe("CELESTIAL_VOID_VALKYRIE_SOVEREIGN_BREASTPLATE"); + expect(craftRes.breastplate?.breastplateAnchorStabilityPercent).toBe(100); + expect(craftRes.breastplate?.finalUphillSaddleRetentionPercent).toBe(100); // 84 * 1.20 = 100.8 -> clamped to 100% + expect(craftRes.breastplate?.finalChestArmorProtectionPercent).toBe(77); // 64 * 1.20 = 76.8 -> 77% + expect(craftRes.breastplate?.consumedLeatherCount).toBe(2); + expect(craftRes.breastplate?.consumedLeatherType).toBe("CELESTIAL_VOID_ASTRAL_BREASTPLATE_PELT"); + expect(craftRes.breastplate?.remainingProvidedLeathers.length).toBe(1); + expect(craftRes.remainingDurability).toBe(340); // 350 - 10 + }); + + it("verifies mid-range stability roll and sub-100% quality scaling on Elder breastplate bench", () => { + const bench = AncientRunicLeatherHorseBreastplateBenchEngine.constructBench("leather_mid", "ELDER_BREASTPLATE_BENCH"); + // powerRatio = 30/130 = 0.23077, bonusPoints = (14/40)*20 = 7.0 + // safeStabilityRoll = 0.5 -> 0.5 * 40 = 20 + // score = Math.round(20 + 9.23077 + 7.0) = 36 + // qualityMultiplier = 0.8 + (36/100)*0.4 = 0.944 + // finalRetention = Math.round(24 * 0.944) = 23 + // finalProtection = Math.round(14 * 0.944) = 13 + const craftRes = AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate( + bench, + "NOVICE_EXPEDITION_BREASTPLATE", + ["TANNED_WARSTEED_BREASTPLATE_STRAP", "TANNED_WARSTEED_BREASTPLATE_STRAP"], + 0.1, + 0.5 + ); + + expect(craftRes.success).toBe(true); + expect(craftRes.breastplate?.breastplateAnchorStabilityPercent).toBe(36); + expect(craftRes.breastplate?.finalUphillSaddleRetentionPercent).toBe(23); + expect(craftRes.breastplate?.finalChestArmorProtectionPercent).toBe(13); + }); + + it("handles bench becoming non-functional after successful craft when durability falls below threshold", () => { + const bench = AncientRunicLeatherHorseBreastplateBenchEngine.constructBench("leather_wear", "ELDER_BREASTPLATE_BENCH"); + bench.currentDurability = 15; + expect(bench.isFunctional).toBe(true); + + // First craft succeeds: 15 - 10 = 5 (< 10), so isFunctional flips to false in updatedBench + const res1 = AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate( + bench, + "NOVICE_EXPEDITION_BREASTPLATE", + ["TANNED_WARSTEED_BREASTPLATE_STRAP", "TANNED_WARSTEED_BREASTPLATE_STRAP"], + 0.1 + ); + expect(res1.success).toBe(true); + expect(res1.remainingDurability).toBe(5); + expect(res1.updatedBench?.isFunctional).toBe(false); + + // Subsequent craft on updated bench is rejected and returns fallback array + const res2 = AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate( + res1.updatedBench!, + "NOVICE_EXPEDITION_BREASTPLATE", + ["TANNED_WARSTEED_BREASTPLATE_STRAP", "TANNED_WARSTEED_BREASTPLATE_STRAP"] + ); + expect(res2.success).toBe(false); + expect(res2.reason).toContain("warped or lacks durability"); + expect(res2.remainingProvidedLeathers.length).toBe(2); + }); + + it("rejects crafting when insufficient leather is provided and returns provided leathers", () => { + const bench = AncientRunicLeatherHorseBreastplateBenchEngine.constructBench("leather_02", "ELDER_BREASTPLATE_BENCH"); + + const failRes = AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate( + bench, + "WARMASTER_MITHRIL_REINFORCED_BREASTPLATE", + ["TEMPERED_MITHRIL_BREASTPLATE_CHEST_RING"] + ); + + expect(failRes.success).toBe(false); + expect(failRes.reason).toContain("Insufficient breastplate straps/chest rings"); + expect(failRes.remainingProvidedLeathers.length).toBe(1); + expect(bench.currentDurability).toBe(95); + }); + + it("handles breastplate strap misaligned failure roll consuming durability and leathers", () => { + const bench = AncientRunicLeatherHorseBreastplateBenchEngine.constructBench("leather_03", "ELDER_BREASTPLATE_BENCH"); // 87% success + + const fail = AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate( + bench, + "NOVICE_EXPEDITION_BREASTPLATE", + ["TANNED_WARSTEED_BREASTPLATE_STRAP", "TANNED_WARSTEED_BREASTPLATE_STRAP", "TANNED_WARSTEED_BREASTPLATE_STRAP"], + 0.95 + ); + + expect(fail.success).toBe(false); + expect(fail.reason).toContain("misaligned"); + expect(fail.remainingProvidedLeathers?.length).toBe(1); // 3 - 2 = 1 remaining + expect(fail.remainingDurability).toBe(85); // 95 - 10 + }); + + it("gates isFunctional in maintainBench based on DURABILITY_COST_PER_CRAFT threshold and returns clone", () => { + const bench = AncientRunicLeatherHorseBreastplateBenchEngine.constructBench("leather_04", "ELDER_BREASTPLATE_BENCH"); + bench.currentDurability = 0; + bench.isFunctional = false; + + // Maintain 5 (below 10 required) -> isFunctional remains false + const repLow = AncientRunicLeatherHorseBreastplateBenchEngine.maintainBench(bench, 5); + expect(repLow.success).toBe(true); + expect(repLow.newDurability).toBe(5); + expect(repLow.isFunctional).toBe(false); + expect(bench.currentDurability).toBe(0); // input unchanged + + // Maintain 10 more on clone -> 15 (>= 10) -> isFunctional becomes true + const repHigh = AncientRunicLeatherHorseBreastplateBenchEngine.maintainBench(repLow.updatedBench!, 10); + expect(repHigh.success).toBe(true); + expect(repHigh.newDurability).toBe(15); + expect(repHigh.isFunctional).toBe(true); + }); + + it("guards against null inputs and unsupported bench models", () => { + expect(() => AncientRunicLeatherHorseBreastplateBenchEngine.constructBench("l", "PLASTIC_BENCH" as any)).toThrow( + "Unsupported horse breastplate bench type" + ); + + const invalidBench: ActiveBreastplateBench = { + benchId: "bad", + leatherworkerPlayerId: "p", + benchType: "BENCH" as any, + currentDurability: 50, + maxDurability: 50, + isFunctional: true, + }; + + expect(AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate(invalidBench, "NOVICE_EXPEDITION_BREASTPLATE", ["TANNED_WARSTEED_BREASTPLATE_STRAP", "TANNED_WARSTEED_BREASTPLATE_STRAP"]).success).toBe(false); + expect(AncientRunicLeatherHorseBreastplateBenchEngine.craftBreastplate(null as any, "NOVICE_EXPEDITION_BREASTPLATE", []).success).toBe(false); + expect(AncientRunicLeatherHorseBreastplateBenchEngine.maintainBench(null as any).success).toBe(false); + }); +});