/**
 * TerrainMeshRenderer: MeshRenderer variant for terrain splat-map rendering.
 *
 * Uses the terrain pipeline (40B vertex stride) and binds 3 splat textures
 * instead of the standard PBR albedo/normal/MR textures.
 */
import { Component } from '@certe/atmos-core';
import type { Mat4Type } from '@certe/atmos-math';
import type { Mesh } from './mesh.js';
import type { TerrainPipelineResources } from './terrain-pipeline.js';
import type { Material } from './material.js';
import type { GPUTextureHandle } from './texture.js';
import type { BoundingSphere } from './bounds.js';
export declare class TerrainMeshRenderer extends Component {
    mesh: Mesh | null;
    material: Material | null;
    castShadow: boolean;
    receiveSSAO: boolean;
    splatTextures: [GPUTextureHandle, GPUTextureHandle, GPUTextureHandle] | null;
    uniformBuffer: GPUBuffer | null;
    bindGroup: GPUBindGroup | null;
    materialBindGroup: GPUBindGroup | null;
    private _device;
    private _terrainPipeline;
    private readonly _mvp;
    private readonly _invModel;
    private readonly _normalMat;
    private readonly _matData;
    private readonly _worldBoundsCenter;
    private readonly _worldBounds;
    init(device: GPUDevice, terrainPipeline: TerrainPipelineResources, mesh: Mesh, material?: Material, splatTextures?: [GPUTextureHandle, GPUTextureHandle, GPUTextureHandle]): void;
    initMaterialBindGroup(sceneBuffer: GPUBuffer): void;
    writeUniforms(viewProjection: Mat4Type): void;
    draw(pass: GPURenderPassEncoder): void;
    get worldBoundingSphere(): BoundingSphere | null;
    onDestroy(): void;
    destroyMesh(): void;
}
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