8000 - Removed PausedState and implemented pause directly in main_game.rs. by chrispetkau · Pull Request #93 · amethyst/evoli · GitHub
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- Removed PausedState and implemented pause directly in main_game.rs. #93

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Jul 12, 2019
Merged

- Removed PausedState and implemented pause directly in main_game.rs. #93

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072fe22
- Removed PausedState and implemented pause directly in main_game.rs.
chrispetkau Jul 11, 2019
8ca3ce8
Merge branch 'master' into pause_state
chrispetkau Jul 12, 2019
82181ea
Run cargo fmt
sunreef Jul 12, 2019
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200 changes: 100 additions & 100 deletions resources/prefabs/ui/main_game.ron
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Original file line number Diff line number Diff line change
@@ -1,100 +1,100 @@
#![enable(implicit_some)]
Container(
transform: (
id: "main game",
anchor: Middle,
stretch: XY( x_margin: 0.0, y_margin: 0.0, keep_aspect_ratio: true),
width: 1280.0,
height: 960.0,
),
children: [
Button(
transform: (
id: "menu button",
x: -355.0,
y: 20.0,
width: 80.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Menu",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
Button(
transform: (
id: "pause button",
x: -265.0,
y: 20.0,
width: 80.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Pause",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
Button(
transform: (
id: "slow down button",
x: -165.0,
y: 20.0,
width: 100.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Slow Down",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
Button(
transform: (
id: "speed up button",
x: -55.0,
y: 20.0,
width: 100.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Speed Up",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
]
)
#![enable(implicit_some)]
Container(
transform: (
id: "main game",
anchor: Middle,
stretch: XY( x_margin: 0.0, y_margin: 0.0, keep_aspect_ratio: true),
width: 1280.0,
height: 960.0,
),
children: [
Button(
transform: (
id: "menu button",
x: -355.0,
y: 20.0,
width: 80.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Menu",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
Button(
transform: (
id: "pause button",
x: -265.0,
y: 20.0,
width: 80.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Pause",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
Button(
transform: (
id: "slow down button",
x: -165.0,
y: 20.0,
width: 100.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Slow Down",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
Button(
transform: (
id: "speed up button",
x: -55.0,
y: 20.0,
width: 100.0,
height: 36.0,
anchor: BottomRight,
mouse_reactive: true,
),
button: (
text: "Speed Up",
font: File("assets/fonts/OpenSans-Regular.ttf", ("TTF", ())),
font_size: 24.0,
normal_image: SolidColor(0.4, 0.4, 0.4, 1.),
hover_image: SolidColor(0.5, 0.5, 0.5, 1.),
press_image: SolidColor(0.2, 0.2, 0.2, 1.),
normal_text_color: (0.2, 0.2, 0.2, 1.0),
hover_text_color: (0.7, 0.7, 0.7, 1.0),
press_text_color: (1.0, 1.0, 1.0, 1.0),
)
),
]
)
3 changes: 3 additions & 0 deletions src/main.rs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
#[macro_use]
extern crate log;

use amethyst::assets::PrefabLoaderSystem;
use amethyst::{
assets::Processor,
Expand Down
69 changes: 53 additions & 16 deletions src/states/main_game.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
use amethyst;

use amethyst::{
core::math::{Rotation3, Vector3},
core::math::{clamp, Rotation3, Vector3},
core::{transform::Transform, ArcThreadPool, Time},
ecs::*,
input::InputEvent,
Expand All @@ -24,18 +24,23 @@ use crate::{
debug::DebugConfig, prefabs::UiPrefabRegistry, spatial_grid::SpatialGrid,
world_bounds::WorldBounds,
},
states::{menu::MenuState, paused::PausedState},
states::menu::MenuState,
systems::*,
};
use rand::{thread_rng, Rng};
use std::f32::consts::PI;

const TIME_SCALE_FACTOR: f32 = 2.0;
const TIME_SCALE_RANGE: (f32, f32) = (1.0 / 4.0, 1.0 * 4.0);

pub struct MainGameState {
dispatcher: Dispatcher<'static, 'static>,
debug_dispatcher: Dispatcher<'static, 'static>,
ui_dispatcher: Dispatcher<'static, 'static>,
ui: Option<Entity>,
camera: Option<Entity>,
paused: bool,
desired_time_scale: f32,
}

impl MainGameState {
Expand Down Expand Up @@ -197,8 +202,6 @@ impl MainGameState {
&[],
)
.build(),
// The ui dispatcher will also run when this game state is paused. This is necessary so that
// the user can interact with the UI even if the game is in the `Paused` game state.
ui_dispatcher: DispatcherBuilder::new()
.with(
main_game_ui::MainGameUiSystem::default(),
Expand All @@ -208,25 +211,46 @@ impl MainGameState {
.build(),
ui: None,
camera: None,
paused: false,
desired_time_scale: 1.0,
}
}

fn handle_action(&self, action: &str, world: &mut World) -> SimpleTrans {
// push desired_time_scale into effect
fn update_time_scale(&self, world: &mut World) {
world
.write_resource::<Time>()
.set_time_scale(if self.paused {
0.0
} else {
self.desired_time_scale
});
}

fn handle_action(&mut self, action: &str, world: &mut World) -> SimpleTrans {
if action == "ToggleDebug" {
let mut debug_config = world.write_resource::<DebugConfig>();
debug_config.visible = !debug_config.visible;
Trans::None
} else if action == main_game_ui::PAUSE_BUTTON.action {
Trans::Push(Box::new(PausedState::default()))
self.paused = !self.paused;
self.update_time_scale(world);
Trans::None
} else if action == main_game_ui::SPEED_UP_BUTTON.action {
let mut time_resource = world.write_resource::<Time>();
let current_time_scale = time_resource.time_scale();
time_resource.set_time_scale(2.0 * current_time_scale);
self.desired_time_scale = clamp(
self.desired_time_scale * TIME_SCALE_FACTOR,
TIME_SCALE_RANGE.0,
TIME_SCALE_RANGE.1,
);
self.update_time_scale(world);
Trans::None
} else if action == main_game_ui::SLOW_DOWN_BUTTON.action {
let mut time_resource = world.write_resource::<Time>();
let current_time_scale = time_resource.time_scale();
time_resource.set_time_scale(0.5 * current_time_scale);
self.desired_time_scale = clamp(
self.desired_time_scale / TIME_SCALE_FACTOR,
TIME_SCALE_RANGE.0,
TIME_SCALE_RANGE.1,
);
self.update_time_scale(world);
Trans::None
} else if action == main_game_ui::MENU_BUTTON.action {
Trans::Switch(Box::new(MenuState::default()))
Expand All @@ -252,6 +276,8 @@ impl SimpleState for MainGameState {
}

fn on_start(&mut self, data: StateData<GameData>) {
info!("start main game");

self.dispatcher.setup(&mut data.world.res);
self.debug_dispatcher.setup(&mut data.world.res);
self.ui_dispatcher.setup(&mut data.world.res);
Expand Down Expand Up @@ -362,9 +388,15 @@ impl SimpleState for MainGameState {
.with(transform)
.build(),
);

// initialize time scale
self.paused = false;
data.world.write_resource::<Time>().set_time_scale(1.0);
}

fn on_stop(&mut self, data: StateData<GameData>) {
info!("stop main game");

if let Some(ui) = self.ui {
if data.world.delete_entity(ui).is_ok() {
self.ui = None;
Expand All @@ -386,6 +418,12 @@ impl SimpleState for MainGameState {
{
organisms.push(entity);
}
data.world
.delete_entities(&organisms)
.expect("failed to delete all organisms");

// fix up time scale before we leave this state
data.world.write_resource::<Time>().set_time_scale(1.0);
}

fn update(&mut self, data: &mut StateData<GameData>) -> SimpleTrans {
Expand All @@ -401,10 +439,9 @@ impl SimpleState for MainGameState {
}

data.data.update(&data.world);
Trans::None
}

fn shadow_update(&mut self, data: StateData<GameData>) {
self.ui_dispatcher.dispatch(&mut data.world.res);
self.ui_dispatcher.dispatch(&data.world.res);

Trans::None
}
}
1 change: 0 additions & 1 deletion src/states/mod.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
pub mod loading;
pub mod main_game;
pub mod menu;
pub mod paused;

//use amethyst::{
//core::EventReader,
Expand Down
31 changes: 0 additions & 31 deletions src/states/paused.rs
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