Add custom implementation of Ruler.moveToken

This allows us to move multiple tokens at a time
and allows the gm to move tokens through walls again

src/foundry_imports.js

@@ -0,0 +1,69 @@
+// This is a modified version of Ruler.moveToken from foundry 0.7.9
+export async function moveTokens(selectedTokens) {
+	let wasPaused = game.paused;
+	if (wasPaused && !game.user.isGM) {
+		ui.notifications.warn(game.i18n.localize("GAME.PausedWarning"));
+		return false;
+	}
+	if (!this.visible || !this.destination) return false;
+	const draggedToken = this._getMovementToken();
+	if (!draggedToken) return;
+
+	// Get the movement rays and check collision along each Ray
+	// These rays are center-to-center for the purposes of collision checking
+	const rays = this._getRaysFromWaypoints(this.waypoints, this.destination);
+	if (!game.user.isGM) {
+		const hasCollision = selectedTokens.some(token => {
+			const offset = calculateTokenOffset(token, draggedToken)
+			const offsetRays = rays.map(ray => applyOffsetToRay(ray, offset))
+			return offsetRays.some(r => canvas.walls.checkCollision(r));
+		})
+		if (hasCollision) {
+			ui.notifications.error(game.i18n.localize("ERROR.TokenCollide"));
+			this._endMeasurement();
+			return true;
+		}
+	}
+
+	// Execute the movement path.
+	// Transform each center-to-center ray into a top-left to top-left ray using the prior token offsets.
+	this._state = Ruler.STATES.MOVING;
+	await Promise.all(selectedTokens.map(token => {
+		// Return the promise so we can wait for it outside the loop
+		const offset = calculateTokenOffset(token, draggedToken)
+		return animateToken.call(this, token, rays, offset, wasPaused)
+	}))
+
+	// Once all animations are complete we can clear the ruler
+	this._endMeasurement();
+}
+
+// This is a modified version code extracted from Ruler.moveToken from foundry 0.7.9
+async function animateToken(token, rays, tokenOffset, wasPaused) {
+	const offsetRays = rays.map(ray => applyOffsetToRay(ray, tokenOffset))
+
+	// Determine offset relative to the Token top-left.
+	// This is important so we can position the token relative to the ruler origin for non-1x1 tokens.
+	const origin = canvas.grid.getTopLeft(this.waypoints[0].x + tokenOffset.x, this.waypoints[0].y + tokenOffset.y);
+	const s2 = canvas.dimensions.size / 2;
+	const dx = Math.round((token.data.x - origin[0]) / s2) * s2;
+	const dy = Math.round((token.data.y - origin[1]) / s2) * s2;
+
+	token._noAnimate = true;
+	for (let r of offsetRays) {
+		if (!wasPaused && game.paused) break;
+		const dest = canvas.grid.getTopLeft(r.B.x, r.B.y);
+		const path = new Ray({ x: token.x, y: token.y }, { x: dest[0] + dx, y: dest[1] + dy });
+		await token.update(path.B);
+		await token.animateMovement(path);
+	}
+	token._noAnimate = false;
+}
+
+function calculateTokenOffset(tokenA, tokenB) {
+	return {x: tokenA.data.x - tokenB.data.x, y: tokenA.data.y - tokenB.data.y}
+}
+
+function applyOffsetToRay(ray, offset) {
+	return new Ray({x: ray.A.x + offset.x, y: ray.A.y + offset.y}, {x: ray.B.x + offset.x, y: ray.B.y + offset.y})
+}

src/main.js

@@ -1,6 +1,7 @@
 "use strict"
 
 import {availableSpeedProviders, currentSpeedProvider, registerModule, registerSystem, setCurrentSpeedProvider} from "./api.js"
+import {moveTokens} from "./foundry_imports.js"
 import {registerSettings, settingsKey} from "./settings.js"
 
 Hooks.once("init", () => {
@@ -86,7 +87,8 @@ function onTokenDragLeftDrop(event) {
 	if (!canvas.controls.ruler.isDragRuler)
 		return false
 	canvas.controls.ruler.draggedToken = null
-	canvas.controls.ruler.moveToken(event)
+	const selectedTokens = canvas.tokens.placeables.filter(token => token._controlled)
+	moveTokens.call(canvas.controls.ruler, selectedTokens)
 	return true
 }