2020-12-16 16:54:41 +00:00
|
|
|
/*
|
2021-07-25 14:12:40 +00:00
|
|
|
* Copyright 2021 James Lyne
|
2020-12-16 16:54:41 +00:00
|
|
|
*
|
|
|
|
* Some portions of this file were taken from https://github.com/webbukkit/dynmap.
|
|
|
|
* These portions are Copyright 2020 Dynmap Contributors.
|
|
|
|
*
|
2021-07-25 14:12:40 +00:00
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
* you may not use this file except in compliance with the License.
|
|
|
|
* You may obtain a copy of the License at
|
2020-12-16 16:54:41 +00:00
|
|
|
*
|
2021-07-25 14:12:40 +00:00
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
2020-12-16 16:54:41 +00:00
|
|
|
*
|
2021-07-25 14:12:40 +00:00
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
* See the License for the specific language governing permissions and
|
|
|
|
* limitations under the License.
|
2020-12-16 16:54:41 +00:00
|
|
|
*/
|
|
|
|
|
2021-07-23 19:32:15 +00:00
|
|
|
import {LatLng} from 'leaflet';
|
2021-07-19 15:40:30 +00:00
|
|
|
import {Coordinate} from "@/index";
|
2020-11-24 01:52:31 +00:00
|
|
|
|
2021-07-23 19:32:15 +00:00
|
|
|
export interface LiveAtlasProjectionOptions {
|
2021-05-19 23:29:17 +00:00
|
|
|
mapToWorld: [number, number, number, number, number, number, number, number, number],
|
|
|
|
worldToMap: [number, number, number, number, number, number, number, number, number],
|
|
|
|
nativeZoomLevels: number
|
|
|
|
}
|
2020-11-24 01:52:31 +00:00
|
|
|
|
2021-07-23 19:32:15 +00:00
|
|
|
export class LiveAtlasProjection {
|
|
|
|
private readonly options: LiveAtlasProjectionOptions
|
2020-11-24 01:52:31 +00:00
|
|
|
|
2021-07-23 19:32:15 +00:00
|
|
|
constructor(options: LiveAtlasProjectionOptions) {
|
|
|
|
this.options = {
|
|
|
|
mapToWorld: options.mapToWorld || [0, 0, 0, 0, 0, 0, 0, 0],
|
|
|
|
worldToMap: options.worldToMap || [0, 0, 0, 0, 0, 0, 0, 0],
|
|
|
|
nativeZoomLevels: options.nativeZoomLevels || 1
|
|
|
|
}
|
2020-11-24 01:52:31 +00:00
|
|
|
}
|
|
|
|
|
2020-12-12 22:04:56 +00:00
|
|
|
locationToLatLng(location: Coordinate): LatLng {
|
2021-05-19 23:29:17 +00:00
|
|
|
const wtp = this.options.worldToMap,
|
|
|
|
lat = wtp[3] * location.x + wtp[4] * location.y + wtp[5] * location.z,
|
|
|
|
lng = wtp[0] * location.x + wtp[1] * location.y + wtp[2] * location.z;
|
|
|
|
|
|
|
|
return new LatLng(
|
|
|
|
-((128 - lat) / (1 << this.options.nativeZoomLevels)),
|
|
|
|
lng / (1 << this.options.nativeZoomLevels));
|
2020-11-24 01:52:31 +00:00
|
|
|
}
|
|
|
|
|
2020-12-12 22:04:56 +00:00
|
|
|
latLngToLocation(latLng: LatLng, y: number): Coordinate {
|
2021-05-19 23:29:17 +00:00
|
|
|
const ptw = this.options.mapToWorld,
|
|
|
|
lat = latLng.lng * (1 << this.options.nativeZoomLevels),
|
|
|
|
lon = 128 + latLng.lat * (1 << this.options.nativeZoomLevels),
|
|
|
|
x = ptw[0] * lat + ptw[1] * lon + ptw[2] * y,
|
|
|
|
z = ptw[6] * lat + ptw[7] * lon + ptw[8] * y;
|
|
|
|
|
|
|
|
return {x: x, y: y, z: z};
|
2020-11-24 01:52:31 +00:00
|
|
|
}
|
|
|
|
}
|