Amatsugu
f491739ee8
improved responsiveness of terrain edits added hexselect methods add create crater function
68 lines
1.7 KiB
Rust
68 lines
1.7 KiB
Rust
use bevy::{prelude::*, window::PrimaryWindow};
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use bevy_rapier3d::{pipeline::QueryFilter, plugin::RapierContext};
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use world_generation::{hex_utils::HexCoord, prelude::Map};
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use crate::{
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camera_system::components::PhosCamera,
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prelude::{PhosChunkRegistry, RebuildChunk},
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};
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pub struct TerraFormingTestPlugin;
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impl Plugin for TerraFormingTestPlugin {
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fn build(&self, app: &mut App) {
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app.add_systems(Update, deform);
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}
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}
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fn deform(
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cam_query: Query<(&GlobalTransform, &Camera), With<PhosCamera>>,
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mut commands: Commands,
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window: Query<&Window, With<PrimaryWindow>>,
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mouse: Res<ButtonInput<MouseButton>>,
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rapier_context: Res<RapierContext>,
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mut heightmap: ResMut<Map>,
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chunks: Res<PhosChunkRegistry>,
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) {
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let mut multi = 0.;
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if mouse.just_pressed(MouseButton::Left) {
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multi = 1.;
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} else if mouse.just_pressed(MouseButton::Right) {
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multi = -1.;
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}
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if multi == 0. {
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return;
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}
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#[cfg(feature = "tracing")]
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let span = info_span!("Deform Mesh").entered();
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let win = window.single();
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let (cam_transform, camera) = cam_query.single();
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let Some(cursor_pos) = win.cursor_position() else {
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return;
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};
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let Some(cam_ray) = camera.viewport_to_world(cam_transform, cursor_pos) else {
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return;
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};
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let collision = rapier_context.cast_ray(
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cam_ray.origin,
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cam_ray.direction.into(),
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100.,
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true,
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QueryFilter::only_fixed(),
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);
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if let Some((e, dist)) = collision {
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let contact_point = cam_ray.get_point(dist);
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let contact_coord = HexCoord::from_world_pos(contact_point);
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let modified_chunks = heightmap.create_crater(&contact_coord, 5, 5. * multi);
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for c in modified_chunks {
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commands.entity(chunks.chunks[c]).insert(RebuildChunk);
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}
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commands.entity(e).insert(RebuildChunk);
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}
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}
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