Add support for the Enhanced Terrain Layer module (resolves #50)

CHANGELOG.md

@@ -2,6 +2,9 @@
 ### New features
 - In combat Drag Ruler will now remember the path that was taken by a token during the turn. Picking the token up during the same turn will continue the previous measurement, taking steps that are already taken into account.
 
+### Module compatibility
+- Drag Ruler is now fully compatible with the `Enhanced Terrain Layer` module. ([#50](https://github.com/manuelVo/foundryvtt-drag-ruler/issues/50))
+
 
 ## 1.4.5
 ### Bugfixes

src/speed_provider.js

@@ -67,7 +67,7 @@ export class SpeedProvider {
 	 */
 	getCostForStep(token, area) {
 		// Lookup the cost for each square occupied by the token
-		const costs = area.map(space => canvas.terrain.costGrid[space.y]?.[space.x]?.multiple ?? 1)
+		const costs = area.map(space => terrainRuler.getCost(space.x, space.y, {token}));
 		// Return the maximum of the costs
 		return costs.reduce((max, current) => Math.max(max, current))
 	}