feat: editor paint undone

src/view/ui.rs

@@ -4,6 +4,7 @@ use bevy::prelude::*;
 
 use crate::grid::{Grid, GridElement};
 use crate::simulation::SimulationStatus;
+use crate::view::editor::EditorTools;
 
 pub struct UIPlugin;
 
@@ -22,6 +23,9 @@ struct WaterLabel;
 #[derive(Component, Clone, Default)]
 struct SpeedLabel;
 
+#[derive(Component, Clone, Default)]
+struct ToolLabel;
+
 const MAX_FREQUENCY: u32 = 512;
 const MIN_FREQUENCY: u32 = 1;
 
@@ -52,6 +56,7 @@ fn ui() -> impl Scene {
         }
         Children [
             debug_column()
+            editor_column()
         ]
     }
 }
@@ -79,6 +84,42 @@ fn debug_column() -> impl Scene {
     }
 }
 
+fn editor_column() -> impl Scene {
+    bsn! {
+        Node {
+            display: Display::Flex,
+            flex_direction: FlexDirection::Column,
+            align_items: AlignItems::Stretch,
+            justify_content: JustifyContent::Start,
+            padding: px(8),
+            row_gap: px(8),
+            width: px(256),
+            min_width: px(256),
+        }
+        pane()
+        pane_header()
+        pane_body()
+        Children [
+            label("Tools")
+            ToolLabel,
+            @FeathersButton {
+                @caption: bsn!{label("None")}
+            }
+            on(|_activate: On<Activate>, mut tool: ResMut<EditorTools>, mut label: Single<&mut Text, With<ToolLabel>>| {
+                *tool = EditorTools::None;
+                label.0 = "Current tool: None".to_string();
+            }),
+            @FeathersButton {
+                @caption: bsn!{label("Paint")}
+            }
+            on(|_activate: On<Activate>, mut tool: ResMut<EditorTools>, mut label: Single<&mut Text, With<ToolLabel>>| {
+                *tool = EditorTools::Paint { position: UVec3::default(), block: GridElement::Solid };
+                label.0 = "Current tool: Paint".to_string();
+            }),
+        ]
+    }
+}
+
 fn water_amount_label() -> impl Scene {
     bsn! {
         Node {