Fix dilate when using multiple atlases

Sources/arm/Layers.hx

@@ -17,6 +17,7 @@ import arm.data.LayerSlot;
 import arm.node.MakeMaterial;
 import arm.render.RenderPathPaint;
 import arm.util.MeshUtil;
+import arm.util.UVUtil;
 import arm.Enums;
 import arm.ProjectFormat;
 
@@ -613,6 +614,7 @@ class Layers {
 			Context.paintObject.skip_context = "paint";
 			Context.mergedObject.visible = true;
 		}
+		UVUtil.dilatemapCached = false;
 	}
 
 	public static function newLayer(clear = true): LayerSlot {

Sources/arm/io/ImportMesh.hx

@@ -64,6 +64,7 @@ class ImportMesh {
 			});
 
 			// No mask by default
+			for (p in Project.paintObjects) p.visible = true;
 			if (Context.mergedObject == null) MeshUtil.mergeMesh();
 			Context.paintObject.skip_context = "paint";
 			Context.mergedObject.visible = true;

Sources/arm/util/UVUtil.hx

@@ -126,7 +126,9 @@ class UVUtil {
 			// dilateTexUnpack = pipeDilate.getConstantLocation("texUnpack");
 		}
 
-		var geom = Context.mergedObject != null ? Context.mergedObject.data.geom : Context.paintObject.data.geom;
+		var mask = Context.objectMaskUsed() ? Context.layer.objectMask : 0;
+		if (Context.layerFilterUsed()) mask = Context.layerFilter;
+		var geom = mask == 0 && Context.mergedObject != null ? Context.mergedObject.data.geom : Context.paintObject.data.geom;
 		var g4 = dilatemap.g4;
 		g4.begin();
 		g4.clear(0x00000000);