.

Cargo.toml

@@ -10,7 +10,7 @@ amethyst = "0.15.0"
 log = { version = "0.4.8", features = ["serde"] }
 
 [features]
-#default = ["vulkan"]
+default = ["vulkan"]
 #empty = ["amethyst/empty"]
 #metal = ["amethyst/metal"]
 vulkan = ["amethyst/vulkan"]

src/main.rs

@@ -1,6 +1,9 @@
 mod components;
 mod systems;
-mod state;
+mod ready_state;
+mod play_state;
+mod splash_state;
+
 use amethyst::{
     input::{InputBundle, StringBindings},
     core::transform::TransformBundle,
@@ -22,6 +25,7 @@ use crate::components::*;
 use crate::systems::*;
 use std::path::PathBuf;
 use std::str::FromStr;
+use crate::splash_state::SplashState;
 
 fn main() -> amethyst::Result<()> {
 
@@ -54,7 +58,7 @@ fn main() -> amethyst::Result<()> {
 
 
     // Creates the app with the startup state and bound game data
-    let mut game = Application::new(resources, state::SplashState::default(), game_data)?;
+    let mut game = Application::new(resources, SplashState::default(), game_data)?;
     game.run();
 
     Ok(())

src/play_state.rs

@@ -0,0 +1,104 @@
+use amethyst::{
+    assets::{AssetStorage, Loader},
+    core::transform::Transform,
+    core::math::Vector3,
+    input::{get_key, is_close_requested, is_key_down, VirtualKeyCode},
+    prelude::*,
+    renderer::{Camera, ImageFormat, SpriteRender, SpriteSheet, SpriteSheetFormat, Texture},
+    window::ScreenDimensions,
+    ecs::prelude::{Dispatcher, DispatcherBuilder, Component, DenseVecStorage, Entity},
+};
+
+use log::info;
+use crate::components::*;
+use std::collections::HashMap;
+use crate::systems::{BirbGravity, ScrollScrollables};
+
+#[derive(Default)]
+pub struct PlayState<'a, 'b> {
+
+    // Custom dispatch systems for this state
+    dispatcher: Option<Dispatcher<'a, 'b>>,
+
+    sprites: Vec<Entity>,
+}
+
+impl<'a, 'b> PlayState<'a, 'b> {
+
+    fn init_sprites(&mut self, world: &mut World) {
+
+        let sprites = world.try_fetch_mut::<HashMap<String, SpriteRender>>().unwrap().clone();
+        let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
+
+        let birb_sprite = sprites
+            .get("floppy").unwrap();
+
+        let mut transform = Transform::default();
+        transform.set_scale(Vector3::new(3.0, 3.0, 3.0));
+        transform.set_translation_xyz(dimensions.width()/2.0, dimensions.height()/2.0, 0.2);
+
+        self.sprites.push(world
+            .create_entity()
+            .with(birb_sprite.clone()) // Sprite Render
+            .with(Birb {
+                vertical_speed: 0.0,
+                position: 0.0,
+                starting_height: 0.0
+            })
+            .with(transform)
+            .build());
+    }
+}
+
+impl<'a, 'b> SimpleState for PlayState<'a, 'b> {
+
+    fn on_start(&mut self, data: StateData<'_, GameData<'_, '_>>) {
+
+        let world = data.world;
+        let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
+
+        // Create the `DispatcherBuilder` and register some `System`s that should only run for this `State`.
+        let mut dispatcher_builder = DispatcherBuilder::new();
+        dispatcher_builder.add(BirbGravity { fired: false }, "gravity", &[]);
+
+        let mut dispatcher = dispatcher_builder.build();
+        dispatcher.setup(world);
+
+        self.dispatcher = Some(dispatcher);
+
+        PlayState::init_sprites(self, world);
+
+    }
+
+    fn handle_event(
+        &mut self,
+        mut data: StateData<'_, GameData<'_, '_>>,
+        event: StateEvent,
+    ) -> SimpleTrans {
+
+        if let StateEvent::Window(event) = &event {
+            // Check if the window should be closed
+            if is_close_requested(&event) || is_key_down(&event, VirtualKeyCode::Escape) {
+                return Trans::Quit;
+            }
+
+            if is_key_down(&event, VirtualKeyCode::P) {
+                let world = data.world;
+                for i in &self.sprites {
+                    world.delete_entity(*i);
+                }
+                self.sprites.clear();
+                return Trans::Pop;
+            }
+        }
+        Trans::None
+    }
+
+    fn update(&mut self, data: &mut StateData<'_, GameData<'_, '_>>) -> SimpleTrans {
+
+        if let Some(dispatcher) = self.dispatcher.as_mut() {
+            dispatcher.dispatch(&data.world);
+        }
+        Trans::None
+    }
+}

src/ready_state.rs

@@ -0,0 +1,104 @@
+use amethyst::{
+    assets::{AssetStorage, Loader},
+    core::transform::Transform,
+    core::math::Vector3,
+    input::{get_mouse_button, get_key, is_close_requested, is_key_down, VirtualKeyCode},
+    prelude::*,
+    renderer::{Camera, ImageFormat, SpriteRender, SpriteSheet, SpriteSheetFormat, Texture},
+    window::ScreenDimensions,
+    ecs::prelude::{Dispatcher, DispatcherBuilder, Component, DenseVecStorage, Entity},
+};
+
+use log::info;
+use crate::components::*;
+use std::collections::HashMap;
+use crate::systems::{BirbGravity, ScrollScrollables};
+use crate::play_state::PlayState;
+
+#[derive(Default)]
+pub struct ReadyState {
+    sprites: Vec<Entity>,
+}
+
+impl ReadyState {
+
+    fn init_sprites(&mut self, world: &mut World) {
+
+        let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
+        let sprites = world.try_fetch_mut::<HashMap<String, SpriteRender>>().unwrap().clone();
+
+        let get_ready_text_sprite = sprites
+            .get("get-ready-text").unwrap().clone();
+
+        let tap_tap_dialogue_sprite = sprites
+            .get("tap-tap-dialogue").unwrap().clone();
+
+        let mut transform = Transform::default();
+        transform.set_scale(Vector3::new(3.0, 3.0, 3.0));
+
+        transform.set_translation_xyz(dimensions.width()*0.5, dimensions.height()*0.8, 0.2);
+
+        self.sprites.push(world
+            .create_entity()
+            .with(get_ready_text_sprite.clone()) // Sprite Render
+            .with(transform.clone())
+            .build());
+
+        transform.set_translation_xyz(dimensions.width()*0.5, dimensions.height()*0.5, 0.2);
+
+        self.sprites.push(world
+            .create_entity()
+            .with(tap_tap_dialogue_sprite.clone()) // Sprite Render
+            .with(transform.clone())
+            .build());
+    }
+}
+impl SimpleState for ReadyState {
+
+    fn on_start(&mut self, data: StateData<'_, GameData<'_, '_>>) {
+        let world = data.world;
+        ReadyState::init_sprites(self, world);
+    }
+
+    fn on_resume(&mut self, data: StateData<'_, GameData<'_, '_>>) {
+
+    }
+
+    fn handle_event(
+        &mut self,
+        mut data: StateData<'_, GameData<'_, '_>>,
+        event: StateEvent,
+    ) -> SimpleTrans {
+
+        if let StateEvent::Ui(event) = &event {
+
+            if event.event_type == UiEventType::Click {
+
+            }
+
+        }
+
+        if let StateEvent::Window(event) = &event {
+            // Check if the window should be closed
+            if is_close_requested(&event) || is_key_down(&event, VirtualKeyCode::Escape) {
+                return Trans::Quit;
+            }
+
+            // Check if the window should be closed
+            if is_key_down(&event, VirtualKeyCode::Space) {
+                let world = data.world;
+                for i in &self.sprites {
+                    world.delete_entity(*i);
+                }
+                self.sprites.clear();
+
+                return Trans::Push(Box::new(PlayState::default()));
+            }
+        }
+        Trans::None
+    }
+
+    fn update(&mut self, data: &mut StateData<'_, GameData<'_, '_>>) -> SimpleTrans {
+        Trans::None
+    }
+}

src/splash_state.rs

@@ -13,105 +13,85 @@ use log::info;
 use crate::components::*;
 use std::collections::HashMap;
 use crate::systems::{BirbGravity, ScrollScrollables};
+use crate::ready_state::ReadyState;
 
-#[derive(Default)]
-pub struct PlayState<'a, 'b> {
-
-    // Custom dispatch systems for this state
-    dispatcher: Option<Dispatcher<'a, 'b>>,
 
+#[derive(Default)]
+pub struct SplashState {
     sprites: Vec<Entity>,
+    persistent_sprites: Vec<Entity>,
 }
 
-impl<'a, 'b> PlayState<'a, 'b> {
-
-    fn init_sprites(&mut self, world: &mut World) {
+impl SplashState {
 
-        let sprites = world.try_fetch_mut::<HashMap<String, SpriteRender>>().unwrap().clone();
-        let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
+    fn load_sprites(world: &mut World) -> HashMap<String, SpriteRender> {
+        // Load the texture for our sprites. We'll later need to
+        // add a handle to this texture to our `SpriteRender`s, so
+        // we need to keep a reference to it.
+        let texture_handle = {
+            let loader = world.read_resource::<Loader>();
+            let texture_storage = world.read_resource::<AssetStorage<Texture>>();
+            loader.load(
+                "sprites/flappy.png",
+                ImageFormat::default(),
+                (),
+                &texture_storage,
+            )
+        };
 
-        let birb_sprite = sprites
-            .get("floppy").unwrap();
+        // Load the spritesheet definition file, which contains metadata on our
+        // spritesheet texture.
+        let sheet_handle = {
+            let loader = world.read_resource::<Loader>();
+            let sheet_storage = world.read_resource::<AssetStorage<SpriteSheet>>();
+            loader.load(
+                "sprites/flappy.ron",
+                SpriteSheetFormat(texture_handle),
+                (),
+                &sheet_storage,
+            )
+        };
 
-        let mut transform = Transform::default();
-        transform.set_scale(Vector3::new(3.0, 3.0, 3.0));
-        transform.set_translation_xyz(dimensions.width()/2.0, dimensions.height()/2.0, 0.2);
+        let sprite_map = vec![
+            ("day-background".to_string(),     0),
+            ("night-background".to_string(),   1),
+            ("down-pipe".to_string(),          2),
+            ("up-pipe".to_string(),            3),
+            ("ground".to_string(),             4),
+            ("floppy".to_string(),             5),
+            ("tap-tap-dialogue".to_string(),   6),
+            ("play-button".to_string(),        7),
+            ("leaderboard-button".to_string(), 8),
+            ("get-ready-text".to_string(),     9),
+            ("flappy-bird-text".to_string(),   10),
+        ];
 
-        self.sprites.push(world
-            .create_entity()
-            .with(birb_sprite.clone()) // Sprite Render
-            .with(Birb {
-                vertical_speed: 0.0,
-                position: 0.0,
-                starting_height: 0.0
-            })
-            .with(transform)
-            .build());
-    }
+        sprite_map.iter()
+            .map(|i| (i.0.clone(), SpriteRender {
+                sprite_sheet: sheet_handle.clone(),
+                sprite_number: i.1,
+            }))
+            .collect()
     }
 
-impl<'a, 'b> SimpleState for PlayState<'a, 'b> {
-
-    fn on_start(&mut self, data: StateData<'_, GameData<'_, '_>>) {
+    fn init_camera(world: &mut World) {
 
-        let world = data.world;
         let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
 
-        // Create the `DispatcherBuilder` and register some `System`s that should only run for this `State`.
-        let mut dispatcher_builder = DispatcherBuilder::new();
-        dispatcher_builder.add(BirbGravity { fired: false }, "gravity", &[]);
-
-        let mut dispatcher = dispatcher_builder.build();
-        dispatcher.setup(world);
-
-        self.dispatcher = Some(dispatcher);
-
-        PlayState::init_sprites(self, world);
-
-    }
-
-    fn handle_event(
-        &mut self,
-        mut data: StateData<'_, GameData<'_, '_>>,
-        event: StateEvent,
-    ) -> SimpleTrans {
-
-        if let StateEvent::Window(event) = &event {
-            // Check if the window should be closed
-            if is_close_requested(&event) || is_key_down(&event, VirtualKeyCode::Escape) {
-                return Trans::Quit;
-            }
-
-            if is_key_down(&event, VirtualKeyCode::P) {
-                let world = data.world;
-                for i in &self.sprites {
-                    world.delete_entity(*i);
-                }
-                self.sprites.clear();
-                return Trans::Pop;
-            }
-        }
-        Trans::None
-    }
-
-    fn update(&mut self, data: &mut StateData<'_, GameData<'_, '_>>) -> SimpleTrans {
-
-        if let Some(dispatcher) = self.dispatcher.as_mut() {
-            dispatcher.dispatch(&data.world);
-        }
-        Trans::None
-    }
-}
+        // Center the camera in the middle of the screen, and let it cover
+        // the entire screen
+        let mut transform = Transform::default();
+        transform.set_translation_xyz(dimensions.width() * 0.5, dimensions.height() * 0.5, 1.);
 
-#[derive(Default)]
-pub struct SplashState {
-    sprites: Vec<Entity>,
-    persistent_sprites: Vec<Entity>,
+        world
+            .create_entity()
+            .with(Camera::standard_2d(dimensions.width(), dimensions.height()))
+            .with(transform)
+            .build();
     }
 
-impl SplashState {
-
     fn init_sprites(&mut self, world: &mut World) {
+
         let sprites = world.try_fetch_mut::<HashMap<String, SpriteRender>>().unwrap().clone();
 
         let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
@@ -212,72 +192,6 @@ impl SplashState {
             .with(transform.clone())
             .build());
     }
-
-    fn init_camera(world: &mut World) {
-
-        let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
-
-        // Center the camera in the middle of the screen, and let it cover
-        // the entire screen
-        let mut transform = Transform::default();
-        transform.set_translation_xyz(dimensions.width() * 0.5, dimensions.height() * 0.5, 1.);
-
-        world
-            .create_entity()
-            .with(Camera::standard_2d(dimensions.width(), dimensions.height()))
-            .with(transform)
-            .build();
-    }
-
-    fn load_sprites(world: &mut World) -> HashMap<String, SpriteRender> {
-        // Load the texture for our sprites. We'll later need to
-        // add a handle to this texture to our `SpriteRender`s, so
-        // we need to keep a reference to it.
-        let texture_handle = {
-            let loader = world.read_resource::<Loader>();
-            let texture_storage = world.read_resource::<AssetStorage<Texture>>();
-            loader.load(
-                "sprites/flappy.png",
-                ImageFormat::default(),
-                (),
-                &texture_storage,
-            )
-        };
-
-        // Load the spritesheet definition file, which contains metadata on our
-        // spritesheet texture.
-        let sheet_handle = {
-            let loader = world.read_resource::<Loader>();
-            let sheet_storage = world.read_resource::<AssetStorage<SpriteSheet>>();
-            loader.load(
-                "sprites/flappy.ron",
-                SpriteSheetFormat(texture_handle),
-                (),
-                &sheet_storage,
-            )
-        };
-
-        let sprite_map = vec![
-            ("day-background".to_string(),     0),
-            ("night-background".to_string(),   1),
-            ("down-pipe".to_string(),          2),
-            ("up-pipe".to_string(),            3),
-            ("ground".to_string(),             4),
-            ("floppy".to_string(),             5),
-            ("tap-tap-dialogue".to_string(),   6),
-            ("play-button".to_string(),        7),
-            ("leaderboard-button".to_string(), 8),
-            ("get-ready-text".to_string(),     9),
-            ("flappy-bird-text".to_string(),   10),
-        ];
-
-        sprite_map.iter()
-            .map(|i| (i.0.clone(), SpriteRender {
-                sprite_sheet: sheet_handle.clone(),
-                sprite_number: i.1,
-            }))
-            .collect()
-    }
 }
 
 impl SimpleState for SplashState {
@@ -325,83 +239,3 @@ impl SimpleState for SplashState {
         Trans::None
     }
 }
-
-#[derive(Default)]
-pub struct ReadyState {
-    sprites: Vec<Entity>,
-}
-
-impl ReadyState {
-
-    fn init_sprites(&mut self, world: &mut World) {
-
-        let dimensions = (*world.read_resource::<ScreenDimensions>()).clone();
-        let sprites = world.try_fetch_mut::<HashMap<String, SpriteRender>>().unwrap().clone();
-
-        let get_ready_text_sprite = sprites
-            .get("get-ready-text").unwrap().clone();
-
-        let tap_tap_dialogue_sprite = sprites
-            .get("tap-tap-dialogue").unwrap().clone();
-
-        let mut transform = Transform::default();
-        transform.set_scale(Vector3::new(3.0, 3.0, 3.0));
-
-        transform.set_translation_xyz(dimensions.width()*0.5, dimensions.height()*0.8, 0.2);
-
-        self.sprites.push(world
-            .create_entity()
-            .with(get_ready_text_sprite.clone()) // Sprite Render
-            .with(transform.clone())
-            .build());
-
-        transform.set_translation_xyz(dimensions.width()*0.5, dimensions.height()*0.5, 0.2);
-
-        self.sprites.push(world
-            .create_entity()
-            .with(tap_tap_dialogue_sprite.clone()) // Sprite Render
-            .with(transform.clone())
-            .build());
-    }
-}
-impl SimpleState for ReadyState {
-
-    fn on_start(&mut self, data: StateData<'_, GameData<'_, '_>>) {
-        let world = data.world;
-        ReadyState::init_sprites(self, world);
-    }
-
-    fn on_resume(&mut self, data: StateData<'_, GameData<'_, '_>>) {
-
-    }
-
-    fn handle_event(
-        &mut self,
-        mut data: StateData<'_, GameData<'_, '_>>,
-        event: StateEvent,
-    ) -> SimpleTrans {
-
-        if let StateEvent::Window(event) = &event {
-            // Check if the window should be closed
-            if is_close_requested(&event) || is_key_down(&event, VirtualKeyCode::Escape) {
-                return Trans::Quit;
-            }
-
-            // Check if the window should be closed
-            if is_key_down(&event, VirtualKeyCode::Space) {
-                let world = data.world;
-                for i in &self.sprites {
-                    world.delete_entity(*i);
-                }
-                self.sprites.clear();
-
-                return Trans::Push(Box::new(PlayState::default()));
-            }
-        }
-        Trans::None
-    }
-
-    fn update(&mut self, data: &mut StateData<'_, GameData<'_, '_>>) -> SimpleTrans {
-        Trans::None
-    }
-}

src/systems.rs

@@ -19,8 +19,6 @@ pub struct ScrollScrollables;
 /*
 Pausable systems
 https://book.amethyst.rs/stable/controlling_system_execution/pausable_systems.html
-
-
 */
 
 // This system iterates all the objects with transform (and falling object) component