111 lines
2.9 KiB
TypeScript
111 lines
2.9 KiB
TypeScript
/*
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* Copyright 2021 James Lyne
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {
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HeadQueueEntry,
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LiveAtlasMapProvider,
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LiveAtlasServerDefinition,
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LiveAtlasWorldDefinition
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} from "@/index";
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import {useStore} from "@/store";
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import {computed, watch} from "@vue/runtime-core";
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import {WatchStopHandle} from "vue";
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export default abstract class MapProvider implements LiveAtlasMapProvider {
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protected readonly store = useStore();
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protected readonly config: LiveAtlasServerDefinition;
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private readonly currentWorldUnwatch: WatchStopHandle;
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protected constructor(config: LiveAtlasServerDefinition) {
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this.config = config;
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const currentWorld = computed(() => this.store.state.currentWorld);
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this.currentWorldUnwatch = watch(currentWorld, (newValue) => {
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if (newValue) {
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this.populateWorld(newValue);
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}
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});
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}
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abstract loadServerConfiguration(): Promise<void>;
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abstract populateWorld(world: LiveAtlasWorldDefinition): Promise<void>;
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abstract startUpdates(): void;
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abstract stopUpdates(): void;
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abstract getPlayerHeadUrl(head: HeadQueueEntry): string;
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abstract getTilesUrl(): string;
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abstract getMarkerIconUrl(icon: string): string;
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sendChatMessage(message: string) {
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throw new Error('Provider does not support chat');
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}
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async login(data: any) {
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throw new Error('Provider does not support logging in');
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}
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async logout() {
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throw new Error('Provider does not support logging out');
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}
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async register(data: any) {
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throw new Error('Provider does not support registration');
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}
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destroy() {
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this.currentWorldUnwatch();
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}
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protected static async fetchJSON(url: string, options: any) {
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let response, json;
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try {
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response = await fetch(url, options);
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} catch(e) {
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if(e instanceof DOMException && e.name === 'AbortError') {
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console.warn(`Request aborted (${url}`);
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throw e;
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} else {
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console.error(e);
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}
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throw new Error(`Network request failed`);
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}
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if (!response.ok) {
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throw new Error(`Network request failed (${response.statusText || 'Unknown'})`);
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}
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try {
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json = await response.json();
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} catch(e) {
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if(e instanceof DOMException && e.name === 'AbortError') {
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console.warn(`Request aborted (${url}`);
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throw e;
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} else {
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throw new Error('Request returned invalid json');
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}
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}
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return json;
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}
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protected static async getJSON(url: string, signal: AbortSignal) {
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return MapProvider.fetchJSON(url, {signal, credentials: 'include'});
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}
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}
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