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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,109 +1,111 @@ | ||
| import { Box3, Vector2, Vector3 } from "three" | ||
| import { PatchCache } from "./PatchCache" | ||
| import { Box3, Vector2, Vector3 } from 'three' | ||
|
|
||
| import { PatchCache } from './PatchCache' | ||
|
|
||
| /** | ||
| * Local minimal copy of PatchCache | ||
| */ | ||
| export class LocalCache { | ||
| static patchCache: LocalCache[] = [] | ||
| static bbox = new Box3() | ||
| static cacheSize = PatchCache.patchSize * 5 | ||
| static patchCacheProvider | ||
| blocksCache: Uint16Array = new Uint16Array(Math.pow(PatchCache.patchSize, 2)) | ||
| bbox: Box3 | ||
| dimensions = new Vector3() | ||
| constructor(patchOrigin: Vector2) { | ||
| const { patchSize } = PatchCache | ||
| const bmin = new Vector3(patchOrigin.x, 0, patchOrigin.y) | ||
| const bmax = new Vector3( | ||
| patchOrigin.x + patchSize, | ||
| 255, | ||
| patchOrigin.y + patchSize, | ||
| ) | ||
| this.bbox = new Box3(bmin, bmax) | ||
| this.bbox.getSize(this.dimensions) | ||
| } | ||
| // eslint-disable-next-line no-use-before-define | ||
| static patchCache: LocalCache[] = [] | ||
| static bbox = new Box3() | ||
| static cacheSize = PatchCache.patchSize * 5 | ||
| static patchCacheProvider: any | ||
| blocksCache: Uint16Array = new Uint16Array(Math.pow(PatchCache.patchSize, 2)) | ||
| bbox: Box3 | ||
| dimensions = new Vector3() | ||
| constructor(patchOrigin: Vector2) { | ||
| const { patchSize } = PatchCache | ||
| const bmin = new Vector3(patchOrigin.x, 0, patchOrigin.y) | ||
| const bmax = new Vector3( | ||
| patchOrigin.x + patchSize, | ||
| 255, | ||
| patchOrigin.y + patchSize, | ||
| ) | ||
| this.bbox = new Box3(bmin, bmax) | ||
| this.bbox.getSize(this.dimensions) | ||
| } | ||
|
|
||
| getBlockLevel(localPos: Vector3) { | ||
| const blockIndex = localPos.x * this.dimensions.x + localPos.z | ||
| const blockLevel = this.blocksCache[blockIndex] || 0 | ||
| return blockLevel | ||
| } | ||
| getBlockLevel(localPos: Vector3) { | ||
| const blockIndex = localPos.x * this.dimensions.x + localPos.z | ||
| const blockLevel = this.blocksCache[blockIndex] || 0 | ||
| return blockLevel | ||
| } | ||
|
|
||
| static getPatch(inputPoint: Vector2 | Vector3) { | ||
| const point = new Vector3( | ||
| inputPoint.x, | ||
| 0, | ||
| inputPoint instanceof Vector3 ? inputPoint.z : inputPoint.y, | ||
| ) | ||
| static getPatch(inputPoint: Vector2 | Vector3) { | ||
| const point = new Vector3( | ||
| inputPoint.x, | ||
| 0, | ||
| inputPoint instanceof Vector3 ? inputPoint.z : inputPoint.y, | ||
| ) | ||
|
|
||
| const res = LocalCache.patchCache.find( | ||
| patch => | ||
| point.x >= patch.bbox.min.x && | ||
| point.z >= patch.bbox.min.z && | ||
| point.x < patch.bbox.max.x && | ||
| point.z < patch.bbox.max.z, | ||
| ) | ||
| return res | ||
| } | ||
| const res = LocalCache.patchCache.find( | ||
| patch => | ||
| point.x >= patch.bbox.min.x && | ||
| point.z >= patch.bbox.min.z && | ||
| point.x < patch.bbox.max.x && | ||
| point.z < patch.bbox.max.z, | ||
| ) | ||
| return res | ||
| } | ||
|
|
||
| static getBlockLevel(globalPos: Vector3) { | ||
| let blockLevel = 0 | ||
| const patch = LocalCache.getPatch(globalPos) | ||
| if (patch) { | ||
| const localPos = globalPos.clone().sub(patch.bbox.min) | ||
| blockLevel = patch.getBlockLevel(localPos) | ||
| } | ||
| return blockLevel | ||
| static getBlockLevel(globalPos: Vector3) { | ||
| let blockLevel = 0 | ||
| const patch = LocalCache.getPatch(globalPos) | ||
| if (patch) { | ||
| const localPos = globalPos.clone().sub(patch.bbox.min) | ||
| blockLevel = patch.getBlockLevel(localPos) | ||
| } | ||
| return blockLevel | ||
| } | ||
|
|
||
| static updateCache(center: Vector3) { | ||
| const { patchSize } = PatchCache | ||
| const bbox = new Box3().setFromCenterAndSize( | ||
| center, | ||
| new Vector3(LocalCache.cacheSize, 0, LocalCache.cacheSize), | ||
| ) | ||
| bbox.min.x = bbox.min.x - (bbox.min.x % patchSize) | ||
| bbox.min.z = bbox.min.z - (bbox.min.z % patchSize) | ||
| bbox.max.x = bbox.max.x - (bbox.max.x % patchSize) + patchSize | ||
| bbox.max.z = bbox.max.z - (bbox.max.z % patchSize) + patchSize | ||
| bbox.min.x -= bbox.min.x < 0 ? patchSize : 0 | ||
| bbox.min.z -= bbox.min.z < 0 ? patchSize : 0 | ||
| bbox.min.y = 0 | ||
| bbox.max.y = 0 | ||
| static updateCache(center: Vector3) { | ||
| const { patchSize } = PatchCache | ||
| const bbox = new Box3().setFromCenterAndSize( | ||
| center, | ||
| new Vector3(LocalCache.cacheSize, 0, LocalCache.cacheSize), | ||
| ) | ||
| bbox.min.x = bbox.min.x - (bbox.min.x % patchSize) | ||
| bbox.min.z = bbox.min.z - (bbox.min.z % patchSize) | ||
| bbox.max.x = bbox.max.x - (bbox.max.x % patchSize) + patchSize | ||
| bbox.max.z = bbox.max.z - (bbox.max.z % patchSize) + patchSize | ||
| bbox.min.x -= bbox.min.x < 0 ? patchSize : 0 | ||
| bbox.min.z -= bbox.min.z < 0 ? patchSize : 0 | ||
| bbox.min.y = 0 | ||
| bbox.max.y = 0 | ||
|
|
||
| const prevCenter = this.bbox.getCenter(new Vector3()) | ||
| prevCenter.y = 0 | ||
| // const nextCenter = bbox.getCenter(new Vector3()) | ||
| // if (nextCenter.distanceTo(prevCenter) > patchSize) { | ||
| LocalCache.bbox = bbox | ||
| const batch: LocalCache[] = [] | ||
| const existing: LocalCache[] = [] | ||
| for (let xmin = bbox.min.x; xmin < bbox.max.x; xmin += patchSize) { | ||
| for (let zmin = bbox.min.z; zmin < bbox.max.z; zmin += patchSize) { | ||
| const patchStart = new Vector2(xmin, zmin) | ||
| // look for existing patch in current cache | ||
| let patch = LocalCache.getPatch(patchStart) // || new BlocksPatch(patchStart) //BlocksPatch.getPatch(patchBbox, true) as BlocksPatch | ||
| if (!patch) { | ||
| patch = new LocalCache(patchStart,) | ||
| batch.push(patch) | ||
| } else { | ||
| existing.push(patch) | ||
| } | ||
| } | ||
| const prevCenter = this.bbox.getCenter(new Vector3()) | ||
| prevCenter.y = 0 | ||
| // const nextCenter = bbox.getCenter(new Vector3()) | ||
| // if (nextCenter.distanceTo(prevCenter) > patchSize) { | ||
| LocalCache.bbox = bbox | ||
| const batch: LocalCache[] = [] | ||
| const existing: LocalCache[] = [] | ||
| for (let xmin = bbox.min.x; xmin < bbox.max.x; xmin += patchSize) { | ||
| for (let zmin = bbox.min.z; zmin < bbox.max.z; zmin += patchSize) { | ||
| const patchStart = new Vector2(xmin, zmin) | ||
| // look for existing patch in current cache | ||
| let patch = LocalCache.getPatch(patchStart) // || new BlocksPatch(patchStart) //BlocksPatch.getPatch(patchBbox, true) as BlocksPatch | ||
| if (!patch) { | ||
| patch = new LocalCache(patchStart) | ||
| batch.push(patch) | ||
| } else { | ||
| existing.push(patch) | ||
| } | ||
| LocalCache.patchCache = [...existing, ...batch] | ||
| LocalCache.fill(batch) | ||
| // } | ||
| } | ||
| } | ||
| LocalCache.patchCache = [...existing, ...batch] | ||
| LocalCache.fill(batch) | ||
| // } | ||
| } | ||
|
|
||
| /** | ||
| * Query patch cache provider to fill local blocks data | ||
| */ | ||
| static async fill(batch: LocalCache[]) { | ||
| for (let patch of batch) { | ||
| const res = await LocalCache.patchCacheProvider(patch.bbox) | ||
| patch.blocksCache = res.data | ||
| } | ||
| /** | ||
| * Query patch cache provider to fill local blocks data | ||
| */ | ||
| static async fill(batch: LocalCache[]) { | ||
| for (const patch of batch) { | ||
| const res = await LocalCache.patchCacheProvider(patch.bbox) | ||
| patch.blocksCache = res.data | ||
| } | ||
| } | ||
| } | ||
| } |