generated from tipragot/rust
Add the ownership system #96
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@ -3,6 +3,7 @@
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use bevy::prelude::*;
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use border_wars::camera::CameraPlugin;
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use border_wars::map::generation::MapGenerationPlugin;
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use border_wars::map::ownership::OwnershipPlugin;
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use border_wars::map::renderer::RendererPlugin;
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use border_wars::map::selected_tile::SelectTilePlugin;
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use border_wars::networking::NetworkingPlugin;
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@ -19,5 +20,6 @@ fn main() {
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.add_plugins(NetworkingPlugin)
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.add_plugins(MapGenerationPlugin)
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.add_plugins(UiPlugin)
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.add_plugins(OwnershipPlugin)
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.run();
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}
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@ -2,6 +2,7 @@
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pub mod generation;
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pub mod hex;
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pub mod ownership;
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pub mod renderer;
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pub mod selected_tile;
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@ -7,3 +7,45 @@ use crate::Player;
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/// The owner of a tile.
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#[derive(Component, Clone)]
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pub struct Owner(pub Player);
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/// The plugin to render the ownership of the tiles.
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pub struct OwnershipPlugin;
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impl Plugin for OwnershipPlugin {
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fn build(&self, app: &mut App) {
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app.add_systems(Update, render_ownership)
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.add_systems(Startup, setup_ownership_resources);
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}
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}
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/// The contrast of the ownership colors.
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///
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/// The value is a number between 0 and 1.
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#[derive(Resource)]
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pub struct OwnershipColorContrast(pub f32);
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fn setup_ownership_resources(mut commands: Commands) {
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commands.insert_resource(OwnershipColorContrast(0.4));
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}
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fn render_ownership(
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mut query: Query<(&mut Sprite, &Owner), Changed<Owner>>,
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contrast: Res<OwnershipColorContrast>,
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) {
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for (mut sprite, owner) in query.iter_mut() {
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let (r, g, b) = owner.0.color;
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let target = mix_colors(Color::rgb_u8(r, g, b), sprite.color, 1. - contrast.0);
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sprite.color = target;
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}
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}
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// Mixes two colors.
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fn mix_colors(color1: Color, color2: Color, alpha: f32) -> Color {
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let [r1, g1, b1, _] = color1.as_rgba_u8();
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let [r2, g2, b2, _] = color2.as_rgba_u8();
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let mixed_r = ((1.0 - alpha) * r1 as f32 + alpha * r2 as f32).round() as u8;
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let mixed_g = ((1.0 - alpha) * g1 as f32 + alpha * g2 as f32).round() as u8;
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let mixed_b = ((1.0 - alpha) * b1 as f32 + alpha * b2 as f32).round() as u8;
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Color::rgb_u8(mixed_r, mixed_g, mixed_b)
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}
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