init with react+axum+spacetimedb

src/services/storyEngine/sceneNarrativeDirector.ts

@@ -0,0 +1,82 @@
+import type {
+  ActorNarrativeProfile,
+  NpcDisclosureStage,
+  SceneNarrativeDirective,
+  VisibilitySlice,
+} from '../../types';
+
+type BuildSceneNarrativeDirectiveParams = {
+  sceneId?: string | null;
+  sceneName?: string | null;
+  encounterId?: string | null;
+  encounterName?: string | null;
+  recentActions?: string[] | null;
+  activeThreadIds?: string[] | null;
+  foregroundCarrierIds?: string[] | null;
+  visibilitySlice?: VisibilitySlice | null;
+  encounterNarrativeProfile?: ActorNarrativeProfile | null;
+  disclosureStage?: NpcDisclosureStage | null;
+  isFirstMeaningfulContact?: boolean;
+  affinity?: number | null;
+};
+
+function dedupeStrings(values: Array<string | null | undefined>, limit = 6) {
+  return [...new Set(values.map((value) => value?.trim() ?? '').filter(Boolean))]
+    .slice(0, limit);
+}
+
+function resolveRevealBudget(
+  disclosureStage?: NpcDisclosureStage | null,
+  isFirstMeaningfulContact?: boolean,
+) {
+  if (isFirstMeaningfulContact || disclosureStage === 'guarded') {
+    return 'low' as const;
+  }
+  if (disclosureStage === 'partial' || disclosureStage === 'honest') {
+    return 'medium' as const;
+  }
+  return 'high' as const;
+}
+
+function resolveEmotionalCadence(params: BuildSceneNarrativeDirectiveParams) {
+  if ((params.affinity ?? 0) < -10) {
+    return 'hostile' as const;
+  }
+  if (params.isFirstMeaningfulContact) {
+    return 'curious' as const;
+  }
+  if ((params.visibilitySlice?.forbiddenFactIds.length ?? 0) > 3) {
+    return 'mysterious' as const;
+  }
+  if ((params.affinity ?? 0) >= 45) {
+    return 'intimate' as const;
+  }
+  if ((params.recentActions ?? []).some((action) => /战|伤|逃|追|压/u.test(action))) {
+    return 'tense' as const;
+  }
+  return 'curious' as const;
+}
+
+export function buildSceneNarrativeDirective(
+  params: BuildSceneNarrativeDirectiveParams,
+) {
+  const primaryPressure =
+    params.encounterNarrativeProfile?.immediatePressure ||
+    params.recentActions?.[0] ||
+    `${params.sceneName ?? '当前场景'}里仍有未被说透的动静。`;
+
+  return {
+    primaryPressure,
+    activeThreadIds: dedupeStrings(params.activeThreadIds ?? [], 4),
+    foregroundActorIds: dedupeStrings([
+      params.encounterId,
+      params.encounterName,
+    ], 3),
+    foregroundCarrierIds: dedupeStrings(params.foregroundCarrierIds ?? [], 4),
+    revealBudget: resolveRevealBudget(
+      params.disclosureStage,
+      params.isFirstMeaningfulContact,
+    ),
+    emotionalCadence: resolveEmotionalCadence(params),
+  } satisfies SceneNarrativeDirective;
+}