export interface InstancedObject {
    /** Unique instance ID */
    id: string;
    /** Batch key (geometry + material) */
    batchKey: string;
    /** Instance index in batch */
    instanceIndex: number;
    /** Transform matrix (16 floats) */
    matrix: Float32Array;
    /** Material color override */
    color?: [number, number, number];
    /** Visibility flag */
    visible: boolean;
}
export interface InstanceBatch {
    /** Batch identifier */
    key: string;
    /** Geometry type */
    geometryType: string;
    /** Material type */
    materialType: string;
    /** Three.js InstancedMesh */
    instancedMesh: any;
    /** Maximum instances */
    maxInstances: number;
    /** Current instance count */
    count: number;
    /** Instance ID → Index mapping */
    instanceMap: Map<string, number>;
    /** Free instance indices (for reuse) */
    freeIndices: number[];
    /** Needs matrix update */
    needsUpdate: boolean;
}
export interface InstancedRenderingStats {
    /** Total batches */
    batchCount: number;
    /** Total instances across all batches */
    totalInstances: number;
    /** Draw calls (one per batch) */
    drawCalls: number;
    /** Memory usage (approximate, MB) */
    memoryUsage: number;
    /** Performance improvement vs non-instanced */
    improvement: string;
}
/**
 * Instanced Rendering Manager
 * Automatically batches similar objects for GPU instancing
 */
export declare class InstancedRenderer {
    private batches;
    private objects;
    private scene;
    private maxInstancesPerBatch;
    private enabled;
    constructor(scene: any, maxInstancesPerBatch?: number);
    /**
     * Add object to instanced rendering
     */
    addInstance(id: string, geometryType: string, materialType: string, position: [number, number, number], rotation?: [number, number, number], scale?: [number, number, number], color?: [number, number, number]): boolean;
    /**
     * Remove instance from rendering
     */
    removeInstance(id: string): boolean;
    /**
     * Update instance transform
     */
    updateInstance(id: string, position?: [number, number, number], rotation?: [number, number, number], scale?: [number, number, number]): boolean;
    /**
     * Update instance color
     */
    updateInstanceColor(id: string, color: [number, number, number]): boolean;
    /**
     * Update all batches (call once per frame)
     */
    update(): void;
    /**
     * Create a new batch
     */
    private createBatch;
    /**
     * Create geometry by type
     */
    private createGeometry;
    /**
     * Create material by type
     */
    private createMaterial;
    /**
     * Create transform matrix from position, rotation, scale
     */
    private createTransformMatrix;
    /**
     * Convert Float32Array to THREE.Matrix4
     */
    private arrayToMatrix4;
    /**
     * Extract transform from matrix
     */
    private matrixToTransform;
    /**
     * Get statistics
     */
    getStatistics(): InstancedRenderingStats;
    /**
     * Enable/disable instanced rendering
     */
    setEnabled(enabled: boolean): void;
    /**
     * Clear all batches
     */
    clear(): void;
    /**
     * Get batch for inspection
     */
    getBatch(key: string): InstanceBatch | undefined;
    /**
     * Get all batch keys
     */
    getBatchKeys(): string[];
}
//# sourceMappingURL=InstancedRenderer.d.ts.map