show how many cells are being selected

docs/roadmap.md

@@ -29,7 +29,7 @@ Or `git tag -n  | grep -E "^[^.]+\.[^.]+\.0"` for the big features only.
 - [x] compile for linux, wasm, windows and mac
 - UI
   - [x] highlight and count cells when clicking a queued task
-  - [ ] count cells while selecting (I want to build X tiles)
+  - [x] count cells while selecting (I want to build X tiles)
   - [x] bigger robot icon for the queue
   - [x] loading screen
   - [x] minimal friction to explain that solar panels can not be build underground
@@ -40,7 +40,7 @@ Or `git tag -n  | grep -E "^[^.]+\.[^.]+\.0"` for the big features only.
 # Bugs
 
 - [ ] touchpad scroll is too sensitive
-- [ ] tile transparency also makes floor transparent
+- [-] tile transparency also makes floor transparent. Solved: remove floors
 - [ ] dirt can be converted to rock. is this wrong?
 - [ ] macroquad forces all windows except 1 to be inactive and darker
 - [ ] egui draws textures with the wrong alpha. I suspect egui can use the textures loaded

logic/src/screen/gui/panels/draw_available_transformations.rs

@@ -29,7 +29,7 @@ pub fn show_available_transformations(
         let mut max_button_width = drawer.ui_measure_text(panel_title, FONT_SIZE).x;
         let panel_margin = MARGIN;
         let big_margin_x = panel_margin + 2.0 * FONT_SIZE;
-        let panel_height = 3.0 * line_height + transformations.len() as f32 * 1.2 * line_height;
+        let panel_height = 3.0 * line_height + (1 + transformations.len()) as f32 * 1.2 * line_height;
         let panel_width = max_button_width + 2.0 * big_margin_x;
         for transformation in &transformations {
             let text = to_action_str(transformation.new_tile_type);
@@ -51,6 +51,7 @@ pub fn show_available_transformations(
             panel.w,
             panel.h,
             &mut |drawer| {
+                drawer.ui_text(&format!("(on {} cells)", highlighted_cells.len()));
                 for transformation in &transformations {
                     let text = to_action_str(transformation.new_tile_type);
                     match drawer.ui_button(text) {