66 lines
1.8 KiB
TypeScript
66 lines
1.8 KiB
TypeScript
import type { GameData, SceneNode, ChapterInfo, Choice, Condition } from '../types'
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export class SceneManager {
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private scenes: Record<string, SceneNode> = {}
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private startScene: string = ''
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chapters: ChapterInfo[] = []
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load(data: GameData) {
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this.scenes = data.scenes
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this.startScene = data.startScene
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this.chapters = data.chapters || []
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}
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getScene(id: string): SceneNode | undefined {
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return this.scenes[id]
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}
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getStartScene(): SceneNode {
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const scene = this.scenes[this.startScene]
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if (!scene) throw new Error(`Start scene "${this.startScene}" not found`)
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return scene
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}
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getAllSceneIds(): string[] {
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return Object.keys(this.scenes)
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}
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getScenes(): Record<string, SceneNode> {
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return this.scenes
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}
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getChapterBySceneId(sceneId: string): ChapterInfo | undefined {
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return this.chapters.find((ch) => ch.startScene === sceneId)
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}
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getChapter(chapterId: string): ChapterInfo | undefined {
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return this.chapters.find((ch) => ch.id === chapterId)
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}
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getCandidateTargetIds(scene: SceneNode, evaluateCondition: (conds?: Condition[]) => boolean): string[] {
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const targets: string[] = []
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if (scene.choices) {
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for (const choice of scene.choices) {
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if (!choice.conditions || evaluateCondition(choice.conditions)) {
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if (!targets.includes(choice.targetScene)) {
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targets.push(choice.targetScene)
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}
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}
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}
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}
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if (scene.nextScene && !targets.includes(scene.nextScene)) {
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targets.push(scene.nextScene)
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}
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return targets
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}
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getCandidateUrls(scene: SceneNode, evaluateCondition: (conds?: Condition[]) => boolean): string[] {
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return this.getCandidateTargetIds(scene, evaluateCondition)
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.map(id => this.scenes[id]?.videoUrl)
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.filter((url): url is string => !!url)
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}
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}
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