jakciehan
106 lines
3.2 KiB
TypeScript
106 lines
3.2 KiB
TypeScript
import { WeaponType } from '../data/Interfaces';
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/**
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* Score system (task 9.3, req 12.1-12.8).
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*
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* Scoring table:
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* - Ninja sword kill ×2.0 base
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* - Shuriken kill ×1.0 base
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* - Perfect parry counterkill ×3.0 base
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* - 5-combo "刃接触" bonus +1500
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* - Flawless level (no damage) ×3.0 total
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* - Remaining time bonus +10 pts / remaining sec
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*
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* Everything is deterministic and `Math.random`-free so QA can reproduce
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* every score calculation in unit tests.
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*/
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export const BASE_ENEMY_SCORE = 100;
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export const COMBO_BONUS = 1500;
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export const COMBO_THRESHOLD = 5;
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export const TIME_BONUS_PER_SEC = 10;
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export interface IScoreSnapshot {
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baseScore: number;
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comboBonus: number;
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timeBonus: number;
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flawlessMultiplier: number;
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finalScore: number;
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killCount: number;
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comboCount: number;
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consecutiveBladeHits: number;
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}
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export class ScoreSystem {
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private baseScore = 0;
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private comboBonus = 0;
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private killCount = 0;
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private consecutiveBladeHits = 0;
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private comboCount = 0;
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private flawless = true;
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private timeBonus = 0;
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public reset(): void {
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this.baseScore = 0;
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this.comboBonus = 0;
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this.killCount = 0;
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this.consecutiveBladeHits = 0;
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this.comboCount = 0;
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this.flawless = true;
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this.timeBonus = 0;
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}
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/** Record a kill weighted by weapon type (req 12.1-12.2). */
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public recordEnemyKill(weapon: WeaponType): void {
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this.killCount++;
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const multiplier = weapon === WeaponType.NinjaSword ? 2 : 1;
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this.baseScore += BASE_ENEMY_SCORE * multiplier;
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}
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/** Perfect parry followed by a counter-kill (req 12.3). */
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public recordParryKill(): void {
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this.killCount++;
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this.baseScore += BASE_ENEMY_SCORE * 3;
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}
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/** Record a single blade contact; every 5 contacts award a combo bonus (req 12.4). */
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public recordBladeContact(): void {
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this.consecutiveBladeHits++;
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if (this.consecutiveBladeHits >= COMBO_THRESHOLD) {
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this.comboCount++;
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this.comboBonus += COMBO_BONUS;
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this.consecutiveBladeHits = 0;
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}
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}
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/** Resets the consecutive blade counter if the combo is broken. */
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public breakBladeChain(): void {
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this.consecutiveBladeHits = 0;
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}
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/** Player took damage → flawless multiplier lost (req 12.5). */
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public markTaken(): void {
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this.flawless = false;
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}
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/** Stage-end timing bonus (req 12.6). */
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public setRemainingTimeBonus(remainingSec: number): void {
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this.timeBonus = Math.max(0, Math.floor(remainingSec)) * TIME_BONUS_PER_SEC;
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}
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public snapshot(): IScoreSnapshot {
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const flawlessMultiplier = this.flawless ? 3 : 1;
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const finalScore = (this.baseScore + this.comboBonus + this.timeBonus) * flawlessMultiplier;
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return {
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baseScore: this.baseScore,
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comboBonus: this.comboBonus,
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timeBonus: this.timeBonus,
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flawlessMultiplier,
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finalScore,
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killCount: this.killCount,
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comboCount: this.comboCount,
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consecutiveBladeHits: this.consecutiveBladeHits,
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};
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}
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}
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