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add enemy spawners

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This commit is contained in:
Schrottkatze 2024-05-08 18:55:19 +02:00
parent 103ff0d514
commit cd19c1c321
Signed by: schrottkatze
SSH key fingerprint: SHA256:hXb3t1vINBFCiDCmhRABHX5ocdbLiKyCdKI4HK2Rbbc
6 changed files with 213 additions and 3 deletions
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101
Cargo.lock generated
View file

@ -732,12 +732,43 @@ dependencies = [
"thread_local",
]
[[package]]
name = "bevy_prng"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "08497116068623556e67e59b0204f5d9d8e7a2d4fd378f87c9c798f7af93f236"
dependencies = [
"bevy",
"rand_chacha",
"rand_core",
"rand_pcg",
"rand_xoshiro",
"serde",
"serde_derive",
"wyrand",
]
[[package]]
name = "bevy_ptr"
version = "0.13.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8050e2869fe341db6874203b5a01ff12673807a2c7c80cb829f6c7bea6997268"
[[package]]
name = "bevy_rand"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c98c3be37468a6008cf0bb392e3decff0fc062898570b0ea4543fa6e9355bf7a"
dependencies = [
"bevy",
"bevy_prng",
"getrandom",
"rand_chacha",
"rand_core",
"serde",
"serde_derive",
]
[[package]]
name = "bevy_rapier2d"
version = "0.25.0"
@ -1054,7 +1085,9 @@ name = "bin-projekt"
version = "0.1.0"
dependencies = [
"bevy",
"bevy_rand",
"bevy_rapier2d",
"rand",
"some_bevy_tools",
]
@ -2878,6 +2911,12 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "ppv-lite86"
version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
[[package]]
name = "presser"
version = "0.3.1"
@ -2923,6 +2962,58 @@ version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "17fd96390ed3feda12e1dfe2645ed587e0bea749e319333f104a33ff62f77a0b"
[[package]]
name = "rand"
version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
dependencies = [
"libc",
"rand_chacha",
"rand_core",
]
[[package]]
name = "rand_chacha"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
dependencies = [
"ppv-lite86",
"rand_core",
"serde",
]
[[package]]
name = "rand_core"
version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
dependencies = [
"getrandom",
"serde",
]
[[package]]
name = "rand_pcg"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "59cad018caf63deb318e5a4586d99a24424a364f40f1e5778c29aca23f4fc73e"
dependencies = [
"rand_core",
"serde",
]
[[package]]
name = "rand_xoshiro"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6f97cdb2a36ed4183de61b2f824cc45c9f1037f28afe0a322e9fff4c108b5aaa"
dependencies = [
"rand_core",
"serde",
]
[[package]]
name = "range-alloc"
version = "0.1.3"
@ -4143,6 +4234,16 @@ dependencies = [
"memchr",
]
[[package]]
name = "wyrand"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7dadc56f0dc130aa22c0d2fe303ccee3a2ad429c87d257642e96017920c66ed0"
dependencies = [
"rand_core",
"serde",
]
[[package]]
name = "x11-dl"
version = "2.21.0"

2
Cargo.toml
View file

@ -8,7 +8,9 @@ edition = "2021"
[dependencies]
# bevy = { version = "0.13.0", features = ["dynamic_linking"] }
bevy = "0.13"
bevy_rand = { version = "0.6.0", features = ["wyrand"] }
bevy_rapier2d = { version = "0.25.0", features = [ "simd-stable", "debug-render-2d" ] }
rand = { version = "0.8.5", features = ["small_rng"] }
some_bevy_tools = "0.2.4"
# Enable a small amount of optimization in debug mode

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94
src/enemy.rs Normal file
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@ -0,0 +1,94 @@
use bevy::prelude::*;
use bevy_rand::{prelude::WyRand, resource::GlobalEntropy};
use rand::Rng;
use crate::METER;
#[derive(Debug, Event)]
pub struct SpawnEvent {
pos: (f32, f32),
spawner: Entity,
}
#[derive(Component)]
pub struct Spawner {
pos: (f32, f32),
size: (f32, f32),
spawn_cooldown: Timer,
cur_enemies: u8,
max_enemies: u8,
amount_range: std::ops::Range<u8>,
}
pub fn enemies_plugin(app: &mut App) {
app.add_event::<SpawnEvent>()
.add_systems(Startup, setup_spawners)
.add_systems(Update, (spawn_enemies, do_spawn));
}
pub fn setup_spawners(mut commands: Commands) {
commands.spawn(Spawner {
pos: (-6.5 * METER, 5.5 * METER),
size: (14. * METER, 1.5 * METER),
spawn_cooldown: Timer::from_seconds(5., TimerMode::Repeating),
cur_enemies: 0,
max_enemies: 10,
amount_range: 2..4,
});
}
#[derive(Component)]
pub struct Enemy;
// TODO: waves n stuff
// and gamestate lolz
pub fn spawn_enemies(
mut ev_spawn: EventWriter<SpawnEvent>,
mut rng: ResMut<GlobalEntropy<WyRand>>,
mut query: Query<(Entity, &mut Spawner)>,
time: Res<Time>,
) {
for (entity, mut spawner) in query.iter_mut() {
if spawner.spawn_cooldown.tick(time.delta()).finished()
&& spawner.cur_enemies <= spawner.max_enemies
{
// TODO: randomness
(0..rng.gen_range(spawner.amount_range.clone())).for_each(|_| {
if spawner.cur_enemies < spawner.max_enemies {
spawner.cur_enemies += 1;
ev_spawn.send(SpawnEvent {
pos: (
rng.gen_range(
(spawner.pos.0 + 0.5 * METER)
..((spawner.pos.0) + (spawner.size.0 - 0.5 * METER)),
),
rng.gen_range(
(spawner.pos.1 + 0.5 * METER)
..((spawner.pos.1) + (spawner.size.1 - 0.5 * METER)),
),
),
spawner: entity,
});
}
})
}
}
}
pub fn do_spawn(
mut ev_spawn: EventReader<SpawnEvent>,
mut commands: Commands,
asset_server: Res<AssetServer>,
) {
for ev in ev_spawn.read() {
println!("spawn!: {} {}", ev.pos.0 / METER, ev.pos.1 / METER);
commands.spawn((
Enemy,
SpriteBundle {
texture: asset_server.load("sprites/enemy.png"),
transform: Transform::from_xyz(ev.pos.0, ev.pos.1, 1.),
..default()
},
));
}
}

10
src/main.rs
View file

@ -1,19 +1,27 @@
use bevy::prelude::*;
use bevy_rand::{plugin::EntropyPlugin, prelude::WyRand};
use bevy_rapier2d::prelude::*;
use enemy::enemies_plugin;
use player::{add_player, move_player};
use rand::SeedableRng;
use some_bevy_tools::{camera_2d::Camera2DPlugin, controller_2d::SimpleTopDownControllerPlugin};
const METER: f32 = 64.;
mod enemy;
mod player;
mod scene;
fn main() {
let r = rand::rngs::SmallRng::from_seed(*b"Meow UwU nyaaa~ mrrrp~ meew miau");
App::new()
.insert_resource(RapierConfiguration {
gravity: Vec2::new(0.0, 0.0),
..Default::default()
})
.add_plugins(EntropyPlugin::<WyRand>::default())
.add_plugins(enemies_plugin)
.add_plugins(DefaultPlugins)
.add_plugins(RapierPhysicsPlugin::<NoUserData>::pixels_per_meter(64.0))
.add_plugins(RapierPhysicsPlugin::<NoUserData>::pixels_per_meter(METER))
.add_plugins(RapierDebugRenderPlugin::default())
.add_plugins(Camera2DPlugin)
.add_plugins(SimpleTopDownControllerPlugin)

9
src/scene.rs
View file

@ -3,7 +3,11 @@ use bevy::{
sprite::{MaterialMesh2dBundle, Mesh2dHandle},
};
use bevy_rapier2d::prelude::*;
const METER: f32 = 64.;
use crate::METER;
#[derive(Component)]
pub struct Wall;
pub fn setup_scene(
mut commands: Commands,
@ -24,7 +28,8 @@ pub fn setup_scene(
for (shape_, pos) in scene_objs {
let shape = Mesh2dHandle(meshes.add(shape_));
commands
.spawn(MaterialMesh2dBundle {
.spawn(Wall)
.insert(MaterialMesh2dBundle {
mesh: shape,
material: materials.add(Color::rgb(1., 0., 0.)),
transform: Transform::from_xyz(pos.0, pos.1, 1.),