Method getStats

packages/core/src/ECS/Core/QuerySystem.ts:968–1021

* 获取系统统计信息 * * 返回查询系统的详细统计信息，包括实体数量、索引状态、 * 查询性能统计等，用于性能监控和调试。 * * @returns 系统统计信息对象

()

     * @returns 系统统计信息对象
     */
    public getStats(): {
        entityCount: number;
        indexStats: {
            componentIndexSize: number;
            tagIndexSize: number;
            nameIndexSize: number;
        };
        queryStats: {
            totalQueries: number;
            cacheHits: number;
            indexHits: number;
            linearScans: number;
            archetypeHits: number;
            dirtyChecks: number;
            cacheHitRate: string;
        };
        optimizationStats: {
            archetypeSystem: any;
        };
        cacheStats: {
            size: number;
            hitRate: string;
        };
        } {
        return {
            entityCount: this._entities.length,
            indexStats: {
                componentIndexSize: this._archetypeSystem.getAllArchetypes().length,
                tagIndexSize: this._entityIndex.byTag.size,
                nameIndexSize: this._entityIndex.byName.size
            },
            queryStats: {
                ...this._queryStats,
                cacheHitRate:
                    this._queryStats.totalQueries > 0
                        ? ((this._queryStats.cacheHits / this._queryStats.totalQueries) * 100).toFixed(2) + '%'
                        : '0%'
            },
            optimizationStats: {
                archetypeSystem: this._archetypeSystem.getAllArchetypes().map((a) => ({
                    id: a.id,
                    componentTypes: a.componentTypes.map((t) => getComponentTypeName(t)),
                    entityCount: a.entities.size
                }))
            },
            cacheStats: {
                size: this._reactiveQueries.size,
                hitRate:
                    this._queryStats.totalQueries > 0
                        ? ((this._queryStats.cacheHits / this._queryStats.totalQueries) * 100).toFixed(2) + '%'
                        : '0%'
            }
        };
    }

    /**
     * 获取实体所属的原型信息