Cargo.lock

@@ -338,9 +338,9 @@ dependencies = [
 
 [[package]]
 name = "bevy-inspector-egui"
-version = "0.28.1"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36172627eb6fd8586600972bcbba2880ed6f59e4e243dcf2ed7ff68d987577ce"
+checksum = "dd64580f4496ed987c6231c6a7d833068914331a9084bf5a3dd9dcbc66fd8a73"
 dependencies = [
  "bevy-inspector-egui-derive",
  "bevy_app",
@@ -2278,7 +2278,7 @@ checksum = "aa9a19cbb55df58761df49b23516a86d432839add4af60fc256da840f66ed35b"
 
 [[package]]
 name = "forestiles"
-version = "0.2.0"
+version = "0.1.0"
 dependencies = [
  "android_logger",
  "bevy",
@@ -2402,7 +2402,7 @@ dependencies = [
  "vec_map",
  "wasm-bindgen",
  "web-sys",
- "windows 0.58.0",
+ "windows 0.52.0",
 ]
 
 [[package]]

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "forestiles"
-version = "0.2.0"
+version = "0.1.0"
 edition = "2021"
 
 [lib]
@@ -30,7 +30,7 @@ bevy = { version = "0.15", default-features = false, features = [
     "bevy_gltf",
     "bevy_mesh_picking_backend",
     "bevy_pbr",
-    # "bevy_picking",
+    "bevy_picking",
     "bevy_render",
     "bevy_scene",
     "bevy_sprite",
@@ -84,9 +84,6 @@ android_logger = "0.14"
 [profile.dev]
 opt-level = 1
 
-[profile.release]
-debug = true
-
 # Enable a large amount of optimization in the dev profile for dependencies.
 [profile.dev.package."*"]
 opt-level = 3

src/camera.rs

@@ -1,15 +1,13 @@
-use std::time::Duration;
-
-use bevy::{input::mouse::MouseWheel, math::NormedVectorSpace, picking::{focus::HoverMap, pointer::PointerId}, prelude::*, utils::HashMap, window::PrimaryWindow};
+use bevy::{math::NormedVectorSpace, picking::{focus::HoverMap, pointer::PointerId}, prelude::*, utils::HashMap, window::PrimaryWindow};
 
 use crate::ui;
 
 pub struct Plugin;
 impl bevy::prelude::Plugin for Plugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(Startup, setup);
-            // .add_systems(Update, move_cam)
-            // .init_resource::<Pointers>();
+        app.add_systems(Startup, setup)
+            .add_systems(Update, move_cam)
+            .init_resource::<Pointers>();
     }
 }
 
@@ -17,39 +15,40 @@ fn setup(mut cmds: Commands, window: Query<&Window>) {
     let zoom = 2./window.single().width().min(window.single().height());
     cmds.spawn((
         Camera2d,
-        Transform::from_scale(Vec3::new(zoom, zoom, zoom))
+        Transform::from_scale(Vec3::new(zoom, zoom, 1.))
     ));
 }
 
 #[derive(Resource, Default)]
-struct Pointers(HashMap<PointerId, (Vec2, Option<Duration>)>);
+struct Pointers(HashMap<PointerId, Vec2>);
 
 fn move_cam(
     mut cam: Query<&mut Transform, With<Camera2d>>,
     map_ui_entity: Query<Entity, With<ui::MapUIComponent>>,
     mouse_buttons: Res<ButtonInput<MouseButton>>,
-    mut ev_scroll: EventReader<MouseWheel>,
     touches: Res<Touches>,
     window: Query<&Window, With<PrimaryWindow>>,
     mut pointers: ResMut<Pointers>,
-    hover_map: Res<HoverMap>,
-    time: Res<Time>
+    hover_map: Res<HoverMap>
 ) {
     let window = window.single();
     let mut cam = cam.single_mut();
     let map_ui_entity = map_ui_entity.single();
     let ps = hover_map.iter().filter_map(|(id, hit_map)| match id {
-            PointerId::Mouse => window.cursor_position().map(|p| 
-                match pointers.0.get(id) {
-                    Some(p_cache) => (p_cache.1.filter(|_| mouse_buttons.pressed(MouseButton::Left)), p, p_cache.0),
-                    None => (None, p, p)
-                }
-            ),
-            PointerId::Touch(i) => touches.get_pressed(*i).map(|t| (pointers.0.get(id).map(|(pos, start)| (*start).unwrap_or(time.elapsed())), t.position(), t.previous_position())),
+            PointerId::Mouse => window.cursor_position().map(|p| (mouse_buttons.pressed(MouseButton::Left), p, pointers.0.get(id).map(|p| *p).unwrap_or(p))),
+            PointerId::Touch(i) => touches.get_pressed(*i).map(|t| (true, t.position(), t.previous_position())),
             _ => None
-        }.map(|(pressed_start,new_pos, old_pos)| (pressed_start,new_pos,old_pos,id,hit_map))
+        }.map(|(pressed,new_pos, old_pos)| (pressed,new_pos,old_pos,id,hit_map))
     ).collect::<Vec<_>>();
-    let pressed_on_map = ps.iter().filter(|p| p.0.is_some() && p.4.contains_key(&map_ui_entity)).collect::<Vec<_>>();
+    let pressed_on_map = ps.iter().filter(|p| p.0 && p.4.contains_key(&map_ui_entity)).collect::<Vec<_>>();
+    // let mut movement = Vec2::ZERO;
+    // for (pressed, new_pos, old_pos, id, hit_map) in pressed_on_map.iter() {
+    //     let delta = new_pos - old_pos;
+    //     cam.scale += delta.dot(movement)/delta.norm();
+    //     movement.x -= delta.x*cam.scale.x/pressed_num as f32;
+    //     movement.y += delta.y*cam.scale.y/pressed_num as f32;
+    //     pointers.0.insert(**id, *new_pos);
+    // }
     
     let old_midpoint = pressed_on_map.iter().fold(Vec2::ZERO, |acc, (_, _, old_pos, _, _)| {
         acc + (old_pos/pressed_on_map.len() as f32)
@@ -57,12 +56,9 @@ fn move_cam(
     let new_midpoint = pressed_on_map.iter().fold(Vec2::ZERO, |acc, (_, new_pos, _, _, _)| {
         acc + (new_pos/pressed_on_map.len() as f32)
     });
-
-    // move camera
     cam.translation.x -= (new_midpoint.x - old_midpoint.x)*cam.scale.x;
     cam.translation.y += (new_midpoint.y - old_midpoint.y)*cam.scale.y;
     
-    // multiple fingers zoom
     if pressed_on_map.len() > 1 {
         let old_d_to_midpoint = pressed_on_map.iter().fold(0., |acc, (_, _, old_pos, _, _)| {
             acc + (old_midpoint-old_pos).norm()
@@ -71,22 +67,12 @@ fn move_cam(
             acc + (new_midpoint-new_pos).norm()
         });
         let zoom = new_d_to_midpoint/old_d_to_midpoint;
-        cam.scale /= zoom;
+        dbg!(zoom);
+        cam.scale.x /= zoom;
+        cam.scale.y /= zoom;
     }
 
-    // mouse scroll zoom
-    for ev in ev_scroll.read() {
-        let scale = (cam.scale.x-(ev.y*0.1/window.width().min(window.height()))).clamp(0.0001, 2./window.width().min(window.height()));
-        cam.scale = Vec3::new(scale, scale, scale);
-    }
-
-    // update cached pointer positions
-    pointers.0.clear();
-    for (pressed_start, new_pos, _, id, _) in ps {
-        match id {
-            PointerId::Mouse => {pointers.0.insert(*id, (new_pos, pressed_start));},
-            PointerId::Touch(_) => {pointers.0.insert(*id, (new_pos, pressed_start));},
-            _ => {}
-        }
+    for (_, new_pos, _, id, _) in ps {
+        pointers.0.insert(*id, new_pos);
     }
 }

src/map.rs

@@ -1,13 +1,9 @@
-use std::time::Duration;
-
-use bevy::{asset::RenderAssetUsages, picking::PickSet, prelude::*, render::mesh::{Indices, PrimitiveTopology}, utils::HashMap};
+use bevy::{asset::RenderAssetUsages, prelude::*, render::mesh::{Indices, PrimitiveTopology}};
 use noise::{Fbm, MultiFractal, NoiseFn, Perlin};
-use rand::{thread_rng, Rng, SeedableRng};
+use rand::{Rng, SeedableRng};
 use voronoice::{BoundingBox, Point, VoronoiBuilder};
 
 mod cells;
-mod picking;
-use picking::*;
 use cells::*;
 
 pub struct Plugin;
@@ -16,10 +12,8 @@ impl bevy::prelude::Plugin for Plugin {
         app.add_systems(Startup, setup)
             .insert_resource(Time::<Fixed>::from_seconds(0.25)) // Time for a day
             .add_systems(FixedUpdate, update_cells)
-            .add_systems(PreUpdate, picking_backend.in_set(PickSet::Backend))
-            .add_systems(Update, update_map_mesh)
             .insert_resource(ClearColor(Color::srgb(0., 0., 1.)))
-            .insert_resource(Seed(thread_rng().gen()));
+            .insert_resource(Seed(0));
     }
 }
 
@@ -34,7 +28,7 @@ pub const SIZE: usize = 10000;
 struct Seed(u32);
 
 #[derive(Component)]
-pub struct Voronoi (voronoice::Voronoi);
+struct Voronoi (voronoice::Voronoi);
 
 #[derive(Component)]
 pub struct MapMarker;
@@ -42,12 +36,6 @@ pub struct MapMarker;
 #[derive(Component)]
 struct MapColors (Vec<[f32; 4]>);
 
-#[derive(Component)]
-pub struct CellsEntities (Vec<Entity>);
-
-#[derive(Component)]
-pub struct MeshNeedsUpdate(bool);
-
 fn setup(
     mut cmds: Commands,
     mut meshes: ResMut<Assets<Mesh>>,
@@ -85,7 +73,7 @@ fn setup(
         } else if z <= 0.52 {
             CellKind::Beach
         } else if z < 0.8 {
-            CellKind::Dirt
+            CellKind::Grass
         } else {
             CellKind::Stone
         };
@@ -130,36 +118,21 @@ fn setup(
         )
         .with_inserted_indices(Indices::U32(indices));
 
-    let mut cells_entities = Vec::with_capacity(cells_data.len());
     cmds.spawn((
         Mesh2d(meshes.add(mesh)),
         MeshMaterial2d(materials.add(ColorMaterial::default())),
         Transform::default(),
         Voronoi(voronoi),
         MapColors(colors),
-        MeshNeedsUpdate(true),
         MapMarker
     )).with_children(|parent| {
         for cd in cells_data {
-            let mut cmd = parent.spawn((cd, LastUpdate(0)));
-            cmd.observe(|trigger: Trigger<Pointer<Click>>, mut cells: Query<&mut CellData>, mut map_needs_update: Query<&mut MeshNeedsUpdate, With<MapMarker>>| {
-                if trigger.duration > Duration::from_millis(100) {
-                    return
-                }
-                let mut cd = cells.get_mut(trigger.target).unwrap();
             match cd.kind {
-                    CellKind::Dirt | CellKind::Grass => {
-                        cd.kind = CellKind::Forest;
-                        map_needs_update.single_mut().0 = true;
-                    },
-                    _ => {}
+                CellKind::Forest | CellKind::Grass => parent.spawn((cd, LastUpdate(0))),
+                _ => parent.spawn(cd)
+            };
         }
-                dbg!(trigger.duration);
     });
-            cells_entities.push(cmd.id());
-        }
-    }).insert(CellsEntities(cells_entities));
-
 }
 
 #[derive(Component)]
@@ -167,9 +140,13 @@ pub struct LastUpdate(usize);
 
 fn update_cells(
     mut cells: Query<(&mut CellData, &mut LastUpdate)>,
-    mut map_needs_update: Query<&mut MeshNeedsUpdate, With<MapMarker>>
+    mut map: Query<(&Mesh2d, &mut MapColors), With<MapMarker>>,
+    mut meshes: ResMut<Assets<Mesh>>
 ) {
-    let mut map_needs_update = map_needs_update.single_mut();
+    let (mesh, mut cols) = map.single_mut();
+    if let Some(mesh) = meshes.get_mut(mesh) {
+        // let cols = mesh.attribute_mut(Mesh::ATTRIBUTE_COLOR).unwrap();
+        let mut modified = false;
         for (mut cd, mut lu) in cells.iter_mut() {
             lu.0 += 1;
             if lu.0 > match cd.kind {
@@ -179,24 +156,11 @@ fn update_cells(
             } {
                 lu.0 = 0;
                 cd.resource = (cd.resource + 1).clamp(0, 4);
-            map_needs_update.0 = true;
+                modified = true;
             }
-    }
-}
-
-fn update_map_mesh(
-    cells: Query<&CellData>,
-    mut map: Query<(&Mesh2d, &mut MapColors, &mut MeshNeedsUpdate), With<MapMarker>>,
-    mut meshes: ResMut<Assets<Mesh>>
-) {
-    let (mesh, mut cols, mut needs_update) = map.single_mut();
-    if needs_update.0 {
-        if let Some(mesh) = meshes.get_mut(mesh) {
-            let mut modified = false;
-            for cd in cells.iter() {
+            // cd.update();
             let col = cd.color();
             for id in cd.vertices.iter() {
-                    modified = modified || cols.0[*id] != col;
                 cols.0[*id] = col.clone();
             }
         }
@@ -204,6 +168,4 @@ fn update_map_mesh(
             mesh.insert_attribute(Mesh::ATTRIBUTE_COLOR, cols.0.clone());
         }
     }
-        needs_update.0 = false;
-    }
 }

src/map/picking.rs

@@ -1,39 +0,0 @@
-use bevy::{picking::{backend::{HitData, PointerHits}, pointer::{PointerId, PointerLocation}}, prelude::*, window::PrimaryWindow};
-use voronoice::Point;
-
-use super::{CellsEntities, MapMarker, Voronoi};
-
-pub fn picking_backend(
-    cam: Query<(&Transform, Entity), With<Camera2d>>,
-    window: Query<&Window, With<PrimaryWindow>>,
-    pointers: Query<(&PointerId, &PointerLocation)>,
-    map: Query<(&Voronoi, &CellsEntities, &Transform), With<MapMarker>>,
-    mut output: EventWriter<PointerHits>
-) {
-    let (cam, cam_id) = cam.single();
-    let window = window.single();
-    let (voronoi, cells_entities, map_pos) = map.single();
-    let mut last_cell = 0;
-    for (id, l) in pointers.iter() {
-        if let Some(mut pos) = l.location().map(|l| l.position) {
-            pos -= window.size()/2.;
-            pos *= cam.scale.xy();
-            pos.x += cam.translation.x;
-            pos.y -= cam.translation.y;
-            if let Some(c) = voronoi.0.cell(last_cell).iter_path(Point { x: pos.x as f64, y: -pos.y as f64 }).last() {
-                last_cell = c;
-                output.send(PointerHits {
-                    pointer: *id,
-                    picks: vec![(cells_entities.0[c], HitData {
-                        camera: cam_id,
-                        depth: map_pos.translation.z,
-                        position: Some(Vec3 { x: pos.x, y: pos.y, z: map_pos.translation.z }),
-                        normal: None
-                    })],
-                    order: map_pos.translation.z
-                });
-            }
-
-        }
-    }
-}

src/ui.rs

@@ -1,20 +1,12 @@
-use std::collections::BTreeMap;
-
-use bevy::{input::mouse::MouseWheel, math::{NormedVectorSpace, VectorSpace}, picking::{focus::HoverMap, pointer::PointerId}, prelude::*, utils::HashMap, window::PrimaryWindow};
-
-use crate::map::{self, MapMarker};
+use bevy::prelude::*;
 
 pub struct Plugin;
 impl bevy::prelude::Plugin for Plugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(Startup, setup)
-            .add_systems(Update, zoom_with_scroll);
+        app.add_systems(Startup, setup);
     }
 }
 
-#[derive(Component)]
-struct PointersDragging(HashMap<PointerId, Vec2>);
-
 #[derive(Component)]
 pub struct MapUIComponent;
 
@@ -29,68 +21,7 @@ fn setup(
             justify_content: JustifyContent::Center,
             ..default()
         },
-        PickingBehavior {
-            should_block_lower: false,
-            is_hoverable: true
-        },
-        MapUIComponent,
-        PointersDragging(HashMap::new())
-    )).observe(|trigger: Trigger<Pointer<DragStart>>, mut ptrs: Query<&mut PointersDragging>| {
-        let event = trigger.event();
-        // dbg!(event);
-        if event.button == PointerButton::Primary {
-            ptrs.get_mut(event.target).unwrap().0.insert(event.pointer_id, event.pointer_location.position);
-        }
-    }).observe(|trigger: Trigger<Pointer<DragEnd>>, mut ptrs: Query<&mut PointersDragging>| {
-        let event = trigger.event();
-        // dbg!(event);
-        if event.button == PointerButton::Primary {
-            ptrs.get_mut(event.target).unwrap().0.remove(&event.pointer_id);
-        }
-    }).observe(|
-            trigger: Trigger<Pointer<Drag>>,
-            mut ptrs: Query<&mut PointersDragging>,
-            mut cam: Query<&mut Transform, With<Camera2d>>,
-        | {
-            let event = trigger.event();
-            // dbg!(event);
-            if event.button == PointerButton::Primary {
-                let mut cam = cam.single_mut();
-                let mut ptrs = ptrs.get_mut(event.target).unwrap();
-                
-                let old_midpoint = ptrs.0.values().fold(Vec2::ZERO, |acc, pos| acc + (pos/ptrs.0.len() as f32));
-                let old_d_to_midpoint = ptrs.0.values().fold(0., |acc, pos| acc + (old_midpoint-pos).norm());
-                ptrs.0.insert(event.pointer_id, event.pointer_location.position);
-                let new_midpoint = ptrs.0.values().fold(Vec2::ZERO, |acc, pos| acc + (pos/ptrs.0.len() as f32));
-                let new_d_to_midpoint = ptrs.0.values().fold(0., |acc, pos| acc + (new_midpoint-pos).norm());
-
-                // move camera
-                cam.translation.x -= (new_midpoint.x - old_midpoint.x)*cam.scale.x;
-                cam.translation.y += (new_midpoint.y - old_midpoint.y)*cam.scale.y;
-            
-                if ptrs.0.len() > 1 {
-                    cam.scale *= old_d_to_midpoint/new_d_to_midpoint;
-                }
-            }
-        }
-    );
+        MapUIComponent
+    ));
     // Spawn all ui elements as children of this one
 }
-
-fn zoom_with_scroll(
-    mut cam: Query<&mut Transform, With<Camera2d>>,
-    mut ev_scroll: EventReader<MouseWheel>,
-    hover_map: Res<HoverMap>,
-    window: Query<&Window, With<PrimaryWindow>>,
-    map_ui_id: Query<Entity, With<MapUIComponent>>
-) {
-    let map_ui_id = map_ui_id.single();
-    if hover_map.get(&PointerId::Mouse).and_then(|hovered_ids| hovered_ids.get(&map_ui_id)).is_some() {
-        let window = window.single();
-        let mut cam = cam.single_mut();
-        for ev in ev_scroll.read() {
-            let scale = (cam.scale.x-(ev.y*0.1/window.width().min(window.height()))).clamp(0.0001, 2./window.width().min(window.height()));
-            cam.scale = Vec3::new(scale, scale, scale);
-        }
-    }
-}