bevy_entitiles 0.2.2

A tilemap library for bevy. With many algorithms built in.
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use bevy::{
    app::Plugin,
    ecs::{entity::Entity, event::Event, system::Query},
    math::UVec2,
};

use crate::tilemap::tile::Tile;

#[cfg(feature = "physics_rapier")]
pub mod rapier;
#[cfg(feature = "physics_xpbd")]
pub mod xpbd;

pub struct EntitilesPhysicsPlugin;

impl Plugin for EntitilesPhysicsPlugin {
    fn build(&self, app: &mut bevy::prelude::App) {
        app.add_event::<TileCollision>();

        #[cfg(feature = "physics_rapier")]
        app.add_plugins(crate::tilemap::physics::rapier::PhysicsRapierTilemapPlugin);
        #[cfg(feature = "physics_xpbd")]
        app.add_plugins(crate::tilemap::physics::xpbd::PhysicsXpbdTilemapPlugin);
    }
}

#[derive(Event, Debug)]
pub enum TileCollision {
    Started(CollisionData),
    Stopped(CollisionData),
}

#[derive(Debug)]
pub struct CollisionData {
    pub tile_index: UVec2,
    pub tile_entity: Entity,
    pub tile_snapshot: Tile,
    pub collider_entity: Entity,
}

fn get_collision(e1: Entity, e2: Entity, query: &Query<&Tile>) -> Option<CollisionData> {
    let (e_tile, e_other, tile) = {
        if let Ok(t) = query.get(e1) {
            (e1, e2, t)
        } else if let Ok(t) = query.get(e2) {
            (e2, e1, t)
        } else {
            return None;
        }
    };

    Some(CollisionData {
        tile_index: tile.index,
        tile_entity: e_tile,
        tile_snapshot: tile.clone(),
        collider_entity: e_other,
    })
}