Manuel Vögele
112 lines
3.3 KiB
JavaScript
112 lines
3.3 KiB
JavaScript
import {measure} from "./foundry_imports.js"
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import {settingsKey} from "./settings.js";
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import {getSnapPointForToken} from "./util.js";
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export class DragRulerRuler extends Ruler {
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// Functions below are overridden versions of functions in Ruler
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constructor(user, {color=null}={}) {
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super(user, {color});
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this.previousWaypoints = [];
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this.previousLabels = this.addChild(new PIXI.Container());
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}
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clear() {
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super.clear();
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this.previousWaypoints = [];
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this.previousLabels.removeChildren().forEach(c => c.destroy());
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}
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async moveToken(event) {
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// This function is invoked by left clicking
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if (!this.isDragRuler)
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return await super.moveToken(event);
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if (!game.settings.get(settingsKey, "swapSpacebarRightClick")) {
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const snap = !event.shiftKey;
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this.dragRulerAddWaypoint(this.destination, snap);
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}
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else {
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this.dragRulerDeleteWaypoint();
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}
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}
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toJSON() {
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const json = super.toJSON();
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if (this.draggedToken)
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json["draggedToken"] = this.draggedToken.data._id;
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return json;
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}
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update(data) {
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// Don't show a GMs drag ruler to non GM players
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if (data.draggedToken && this.user.isGM && !game.user.isGM && !game.settings.get(settingsKey, "showGMRulerToPlayers"))
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return;
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if (data.draggedToken) {
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this.draggedToken = canvas.tokens.get(data.draggedToken);
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}
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super.update(data);
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}
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measure(destination, options={}) {
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if (this.isDragRuler) {
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return measure.call(this, destination, options);
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}
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else {
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return super.measure(destination, options);
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}
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}
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_endMeasurement() {
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super._endMeasurement();
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this.draggedToken = null;
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}
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// The functions below aren't present in the orignal Ruler class and are added by Drag Ruler
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dragRulerAddWaypoint(point, snap=true) {
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if (snap)
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point = getSnapPointForToken(point.x, point.y, this.draggedToken);
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this.waypoints.push(new PIXI.Point(point.x, point.y));
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this.labels.addChild(new PreciseText("", CONFIG.canvasTextStyle));
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}
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dragRulerAddWaypointHistory(waypoints) {
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waypoints.forEach(waypoint => waypoint.isPrevious = true);
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this.waypoints = this.waypoints.concat(waypoints);
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for (const waypoint of waypoints) {
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this.labels.addChild(new PreciseText("", CONFIG.canvasTextStyle));
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}
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}
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dragRulerDeleteWaypoint(event={preventDefault: () => {return}}) {
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if (this.waypoints.filter(w => !w.isPrevious).length > 1) {
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event.preventDefault();
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const mousePosition = canvas.app.renderer.plugins.interaction.mouse.getLocalPosition(canvas.tokens);
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const rulerOffset = this.rulerOffset;
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this._removeWaypoint({x: mousePosition.x + rulerOffset.x, y: mousePosition.y + rulerOffset.y});
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game.user.broadcastActivity({ruler: this});
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}
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else {
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const token = this.draggedToken;
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this._endMeasurement();
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// Deactivate the drag workflow in mouse
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token.mouseInteractionManager._deactivateDragEvents();
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token.mouseInteractionManager.state = token.mouseInteractionManager.states.HOVER;
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// This will cancel the current drag operation
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// Pass in a fake event that hopefully is enough to allow other modules to function
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token._onDragLeftCancel(event);
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}
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}
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static dragRulerGetRaysFromWaypoints(waypoints, destination) {
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if ( destination )
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waypoints = waypoints.concat([destination]);
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return waypoints.slice(1).map((wp, i) => {
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const ray = new Ray(waypoints[i], wp);
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ray.isPrevious = Boolean(waypoints[i].isPrevious);
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return ray;
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});
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}
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}
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