mirror of
https://github.com/eliasstepanik/big_space_with_trim.git
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0907ec1d94
I ran into an issue when trying to add the transform propagation systems
to a schedule more than once. The app would panic because there was more
than one instance of `propagate_transforms::<P>` and
`recenter_transform_on_grid::<P>` in the system graph, so Bevy didn't
know how to actually resolve the dependencies. By using a `SystemSet`,
we can avoid this issue nicely.
Unfortunately, I couldn't come up with a good name for the set, so I
decided to stick the definition inside the `build()` method itself. That
way at least the poor naming won't be exposed 😛. It still feels a little
icky to me though.
---------
Co-authored-by: Aevyrie <aevyrie@gmail.com>
Co-authored-by: Pyxrs <simplycmd00@gmail.com>
41 lines
1.4 KiB
Rust
41 lines
1.4 KiB
Rust
//! Contains tools for debugging the floating origin.
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use std::marker::PhantomData;
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use bevy::prelude::*;
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use crate::{precision::GridPrecision, FloatingOrigin, FloatingOriginSettings, GridCell};
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/// This plugin will render the bounds of occupied grid cells.
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#[derive(Default)]
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pub struct FloatingOriginDebugPlugin<P: GridPrecision>(PhantomData<P>);
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impl<P: GridPrecision> Plugin for FloatingOriginDebugPlugin<P> {
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fn build(&self, app: &mut App) {
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app.add_systems(
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PostUpdate,
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update_debug_bounds::<P>
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.after(crate::recenter_transform_on_grid::<P>)
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.before(crate::update_global_from_grid::<P>),
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);
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}
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}
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/// Update the rendered debug bounds to only highlight occupied [`GridCell`]s.
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pub fn update_debug_bounds<P: GridPrecision>(
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mut gizmos: Gizmos,
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settings: Res<FloatingOriginSettings>,
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occupied_cells: Query<&GridCell<P>, Without<FloatingOrigin>>,
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origin_cells: Query<&GridCell<P>, With<FloatingOrigin>>,
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) {
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let origin_cell = origin_cells.single();
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for cell in occupied_cells.iter() {
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let cell = cell - origin_cell;
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let scale = Vec3::splat(settings.grid_edge_length * 0.999);
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let translation = settings.grid_position(&cell, &Transform::IDENTITY);
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gizmos.cuboid(
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Transform::from_translation(translation).with_scale(scale),
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Color::GREEN,
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)
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}
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}
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