179 lines
5.4 KiB
Markdown
179 lines
5.4 KiB
Markdown
{.section-title.accent.text-primary}
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# API Room functions Reference
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### Working with group layers
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If you use group layers in your map, to reference a layer in a group you will need to use a `/` to join layer names together.
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Example :
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<div class="row">
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<div class="col">
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<img src="https://workadventu.re/img/docs/groupLayer.png" class="figure-img img-fluid rounded" alt="" />
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</div>
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</div>
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The name of the layers of this map are :
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* `entries/start`
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* `bottom/ground/under`
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* `bottom/build/carpet`
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* `wall`
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### Detecting when the user enters/leaves a zone
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```
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WA.room.onEnterZone(name: string, callback: () => void): void
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WA.room.onLeaveZone(name: string, callback: () => void): void
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```
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Listens to the position of the current user. The event is triggered when the user enters or leaves a given zone. The name of the zone is stored in the map, on a dedicated layer with the `zone` property.
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<div>
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<figure class="figure">
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<img src="https://workadventu.re/img/docs/trigger_event.png" class="figure-img img-fluid rounded" alt="" />
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<figcaption class="figure-caption">The `zone` property, applied on a layer</figcaption>
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</figure>
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</div>
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* **name**: the name of the zone, as defined in the `zone` property.
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* **callback**: the function that will be called when a user enters or leaves the zone.
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Example:
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```javascript
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WA.room.onEnterZone('myZone', () => {
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WA.chat.sendChatMessage("Hello!", 'Mr Robot');
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})
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WA.room.onLeaveZone('myZone', () => {
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WA.chat.sendChatMessage("Goodbye!", 'Mr Robot');
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})
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```
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### Show / Hide a layer
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```
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WA.room.showLayer(layerName : string): void
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WA.room.hideLayer(layerName : string) : void
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```
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These 2 methods can be used to show and hide a layer.
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if `layerName` is the name of a group layer, show/hide all the layer in that group layer.
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Example :
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```javascript
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WA.room.showLayer('bottom');
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//...
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WA.room.hideLayer('bottom');
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```
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### Set/Create properties in a layer
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```
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WA.room.setProperty(layerName : string, propertyName : string, propertyValue : string | number | boolean | undefined) : void;
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```
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Set the value of the `propertyName` property of the layer `layerName` at `propertyValue`. If the property doesn't exist, create the property `propertyName` and set the value of the property at `propertyValue`.
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Note :
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To unset a property from a layer, use `setProperty` with `propertyValue` set to `undefined`.
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Example :
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```javascript
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WA.room.setProperty('wikiLayer', 'openWebsite', 'https://www.wikipedia.org/');
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```
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### Get the room id
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```
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WA.room.id: string;
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```
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The ID of the current room is available from the `WA.room.id` property.
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{.alert.alert-info}
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You need to wait for the end of the initialization before accessing `WA.room.id`
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```typescript
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WA.onInit().then(() => {
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console.log('Room id: ', WA.room.id);
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// Will output something like: 'https://play.workadventu.re/@/myorg/myworld/myroom', or 'https://play.workadventu.re/_/global/mymap.org/map.json"
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})
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```
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### Get the map URL
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```
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WA.room.mapURL: string;
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```
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The URL of the map is available from the `WA.room.mapURL` property.
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{.alert.alert-info}
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You need to wait for the end of the initialization before accessing `WA.room.mapURL`
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```typescript
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WA.onInit().then(() => {
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console.log('Map URL: ', WA.room.mapURL);
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// Will output something like: 'https://mymap.org/map.json"
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})
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```
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### Getting map data
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```
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WA.room.getTiledMap(): Promise<ITiledMap>
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```
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Returns a promise that resolves to the JSON map file.
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```javascript
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const map = await WA.room.getTiledMap();
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console.log("Map generated with Tiled version ", map.tiledversion);
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```
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Check the [Tiled documentation to learn more about the format of the JSON map](https://doc.mapeditor.org/en/stable/reference/json-map-format/).
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### Changing tiles
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```
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WA.room.setTiles(tiles: TileDescriptor[]): void
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```
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Replace the tile at the `x` and `y` coordinates in the layer named `layer` by the tile with the id `tile`.
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If `tile` is a string, it's not the id of the tile but the value of the property `name`.
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<div class="row">
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<div class="col">
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<img src="https://workadventu.re/img/docs/nameIndexProperty.png" class="figure-img img-fluid rounded" alt="" />
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</div>
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</div>
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`TileDescriptor` has the following attributes :
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* **x (number) :** The coordinate x of the tile that you want to replace.
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* **y (number) :** The coordinate y of the tile that you want to replace.
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* **tile (number | string) :** The id of the tile that will be placed in the map.
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* **layer (string) :** The name of the layer where the tile will be placed.
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**Important !** : If you use `tile` as a number, be sure to add the `firstgid` of the tileset of the tile that you want to the id of the tile in Tiled Editor.
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Note: If you want to unset a tile, use `setTiles` with `tile` set to `null`.
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Example :
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```javascript
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WA.room.setTiles([
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{x: 6, y: 4, tile: 'blue', layer: 'setTiles'},
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{x: 7, y: 4, tile: 109, layer: 'setTiles'},
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{x: 8, y: 4, tile: 109, layer: 'setTiles'},
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{x: 9, y: 4, tile: 'blue', layer: 'setTiles'}
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]);
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```
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### Loading a tileset
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```
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WA.room.loadTileset(url: string): Promise<number>
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```
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Load a tileset in JSON format from an url and return the id of the first tile of the loaded tileset.
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You can create a tileset file in Tile Editor.
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```javascript
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WA.room.loadTileset("Assets/Tileset.json").then((firstId) => {
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WA.room.setTiles([{x: 4, y: 4, tile: firstId, layer: 'bottom'}]);
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})
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``` |