From 9719011d76a0992e21a9bfbb4b710fce82b5e71e Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Sat, 2 May 2026 04:15:14 +0200
Subject: [PATCH] Add validation and update status message for foliage
 painting/erasing

---
 src/app/App.tsx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/app/App.tsx b/src/app/App.tsx
index 35592c04..87f20ca9 100644
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -9307,6 +9307,16 @@ export function App({ store, draftStorage = null, initialStatusMessage }: AppPro
       return;
     }
 
+    if (
+      (tool === "foliagePaint" || tool === "foliageErase") &&
+      activeFoliageLayer === null
+    ) {
+      setStatusMessage(
+        "Create or select a foliage layer before arming foliage mask painting."
+      );
+      return;
+    }
+
     if (armedTerrainBrushTool === tool) {
       setArmedTerrainBrushTool(null);
       setStatusMessage(
@@ -9321,6 +9331,8 @@ export function App({ store, draftStorage = null, initialStatusMessage }: AppPro
         ? ` ${getTerrainLayerLabel(
             clampTerrainPaintLayerIndex(activeTerrainPaintLayerIndex)
           ).toLowerCase()}`
+        : tool === "foliagePaint" || tool === "foliageErase"
+          ? ` for ${activeFoliageLayer?.name ?? "the active foliage layer"}`
         : "";
     setStatusMessage(
       `Armed ${getTerrainBrushToolLabel(tool)} terrain brush${paintLayerLabel} for ${getTerrainLabelById(selectedTerrain.id, terrainList)}. Drag in the viewport to edit the selected terrain.`