From f9e76921ec70c6eefe96b68bbc84321b4ecc33e6 Mon Sep 17 00:00:00 2001
From: hut <hut@hut.pm>
Date: Sun, 17 Mar 2024 23:49:50 +0100
Subject: [PATCH] generalize player into actor

---
 src/actor.rs  | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++
 src/hud.rs    |  37 ++++++++-------
 src/main.rs   |  11 ++---
 src/player.rs |  97 ---------------------------------------
 src/world.rs  |  13 +++++-
 5 files changed, 160 insertions(+), 122 deletions(-)
 create mode 100644 src/actor.rs

diff --git a/src/actor.rs b/src/actor.rs
new file mode 100644
index 0000000..9d306a4
--- /dev/null
+++ b/src/actor.rs
@@ -0,0 +1,124 @@
+use bevy::prelude::*;
+
+#[allow(unused)] pub const OXYGEN_USE_KG_PER_S: f32 = 1e-5;
+#[allow(unused)] pub const OXY_S: f32 = OXYGEN_USE_KG_PER_S;
+#[allow(unused)] pub const OXY_M: f32 = OXYGEN_USE_KG_PER_S * 60.0;
+#[allow(unused)] pub const OXY_H: f32 = OXYGEN_USE_KG_PER_S * 60.0 * 60.0;
+#[allow(unused)] pub const OXY_D: f32 = OXYGEN_USE_KG_PER_S * 60.0 * 60.0 * 24.0;
+
+pub struct ActorPlugin;
+impl Plugin for ActorPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(FixedUpdate, update);
+    }
+}
+
+#[derive(Component)]
+pub struct Actor {
+    pub hp: f32,
+    pub m: f32, // mass
+    pub pos: Vec3, // position
+    pub v: Vec3, // velocity
+    // TODO: rotation
+}
+
+impl Default for Actor {
+    fn default() -> Self {
+        Self {
+            hp: 100.0,
+            m: 100.0,
+            pos: Vec3::ZERO,
+            v: Vec3::ZERO,
+        }
+    }
+}
+
+#[derive(Component)]
+pub struct LifeForm {
+    pub adrenaline: f32,
+    pub adrenaline_baseline: f32,
+    pub adrenaline_jolt: f32,
+}
+impl Default for LifeForm { fn default() -> Self { Self {
+    adrenaline: 0.3,
+    adrenaline_baseline: 0.3,
+    adrenaline_jolt: 0.0,
+}}}
+
+#[derive(Component)]
+pub struct Suit {
+    pub oxygen: f32,
+    pub power: f32,
+    pub oxygen_max: f32,
+    pub power_max: f32,
+}
+impl Default for Suit { fn default() -> Self { SUIT_SIMPLE } }
+
+const SUIT_SIMPLE: Suit = Suit {
+    power: 1e5,
+    power_max: 1e5,
+    oxygen: OXY_D,
+    oxygen_max: OXY_D,
+};
+
+pub fn update(
+    time: Res<Time>,
+    mut query: Query<(&mut LifeForm, &mut Suit)>,
+) {
+    let d = time.delta_seconds();
+    for (mut lifeform, mut suit) in query.iter_mut() {
+        if lifeform.adrenaline_jolt.abs() > 1e-3 {
+            lifeform.adrenaline_jolt *= 0.99;
+        }
+        else {
+            lifeform.adrenaline_jolt = 0.0
+        }
+        lifeform.adrenaline = (lifeform.adrenaline - 0.0001 + lifeform.adrenaline_jolt * 0.01).clamp(0.0, 1.0);
+        suit.oxygen = (suit.oxygen - OXY_S*d).clamp(0.0, 1.0);
+    }
+}
+
+#[derive(Component)]
+pub struct Player;
+
+//pub enum SuitSystemHandler {
+//    Heat,
+//    None,
+//}
+//#[derive(Component)]
+//pub struct SuitSystem {
+//    pub name: String,
+//    pub active: bool,
+//    pub power: f32,
+//    pub handler: SuitSystemHandler,
+//}
+//
+//impl Default for SuitSystem {
+//    fn default() -> Self {
+//        Self {
+//            name: "Untitled".to_string(),
+//            active: true,
+//            power: 0.0,
+//            handler: SuitSystemHandler::None,
+//        }
+//    }
+//}
+//pub fn setup(
+//    mut commands: Commands,
+//    settings: Res<settings::Settings>,
+//) {
+//    commands.spawn((
+//        Player,
+//        SuitSystem {
+//            name: "HUD".to_string(),
+//            active: settings.hud_active,
+//            power: -0.05,
+//            ..default()
+//        },
+//        SuitSystem {
+//            name: "Heater".to_string(),
+//            handler: SuitSystemHandler::Heat,
+//            ..default()
+//        }
+//    ));
+//}
diff --git a/src/hud.rs b/src/hud.rs
index 44c99da..fa81b75 100644
--- a/src/hud.rs
+++ b/src/hud.rs
@@ -1,12 +1,12 @@
-use crate::{settings, player};
+use crate::{settings, actor};
 use bevy::prelude::*;
 use bevy::diagnostic::{DiagnosticsStore, FrameTimeDiagnosticsPlugin};
 
 const HUD_REFRESH_TIME: f32 = 0.5;
 const FONT: &str = "tmp/fonts/NotoSansSC-Thin.ttf";
 
-pub struct OutFlyHudPlugin;
-impl Plugin for OutFlyHudPlugin {
+pub struct HudPlugin;
+impl Plugin for HudPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, setup);
         app.add_systems(Update, (update, handle_input));
@@ -114,25 +114,30 @@ fn setup(
 
 fn update(
     diagnostics: Res<DiagnosticsStore>,
-    time:Res<Time>,
-    playervars:Res<player::PlayerVars>,
+    time: Res<Time>,
+    player: Query<(&actor::Suit, &actor::LifeForm), With<actor::Player>>,
     mut timer: ResMut<FPSUpdateTimer>,
     mut query: Query<&mut Text, With<GaugesText>>,
 ) {
     if timer.0.tick(time.delta()).just_finished() {
-        for mut text in &mut query {
-            if let Some(fps) = diagnostics.get(&FrameTimeDiagnosticsPlugin::FPS) {
-                if let Some(value) = fps.smoothed() {
-                    // Update the value of the second section
-                    text.sections[1].value = format!("{value:.0}");
+        let player = player.get_single();
+        if player.is_ok() {
+            let (suit, lifeform) = player.unwrap();
+            for mut text in &mut query {
+                if let Some(fps) = diagnostics.get(&FrameTimeDiagnosticsPlugin::FPS) {
+                    if let Some(value) = fps.smoothed() {
+                        // Update the value of the second section
+                        text.sections[1].value = format!("{value:.0}");
+                    }
                 }
+                let power = suit.power;
+                text.sections[3].value = format!("{power:}Wh");
+                let oxy_percent = suit.oxygen / suit.oxygen_max * 100.0;
+                let oxy_total = suit.oxygen * 1e6;
+                text.sections[5].value = format!("{oxy_percent:.1}% [{oxy_total:.0}mg]");
+                let adrenaline = lifeform.adrenaline * 990.0 + 10.0;
+                text.sections[7].value = format!("{adrenaline:.0}pg/mL");
             }
-            let power = playervars.power;
-            text.sections[3].value = format!("{power:}Wh");
-            let oxygen = playervars.oxygen * 100.0;
-            text.sections[5].value = format!("{oxygen:.1}%");
-            let adrenaline = playervars.adrenaline * 990.0 + 10.0;
-            text.sections[7].value = format!("{adrenaline:.0}pg/mL");
         }
     }
 }
diff --git a/src/main.rs b/src/main.rs
index 8fd529c..bbf990e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,9 @@
 mod audio;
-mod player;
 mod camera;
 mod world;
 mod settings;
 mod hud;
+mod actor;
 
 use bevy::window::{Window, WindowMode, PrimaryWindow, CursorGrabMode };
 use bevy::diagnostic::{FrameTimeDiagnosticsPlugin, LogDiagnosticsPlugin};
@@ -14,29 +14,24 @@ fn main() {
         .add_systems(Startup, (
                 setup,
                 audio::setup,
-                player::setup,
                 world::setup,
         ))
         .add_systems(Update, (
                 handle_input,
-                player::handle_input,
                 audio::toggle_bgm,
                 world::asset_loaded.after(world::load_cubemap_asset),
         ))
-        .add_systems(FixedUpdate, (
-                player::drain_resources,
-        ))
         .add_plugins(DefaultPlugins.set(ImagePlugin::default_nearest()))
         .add_plugins((
             camera::CameraControllerPlugin,
-            hud::OutFlyHudPlugin,
+            hud::HudPlugin,
+            actor::ActorPlugin,
         ))
         .add_plugins((
             FrameTimeDiagnosticsPlugin,
             LogDiagnosticsPlugin::default(),
         ))
         .insert_resource(settings::Settings::default())
-        .insert_resource(player::PlayerVars::default())
         .run();
 }
 
diff --git a/src/player.rs b/src/player.rs
index 85b1cc3..49f9474 100644
--- a/src/player.rs
+++ b/src/player.rs
@@ -1,91 +1,6 @@
-use crate::settings;
 use bevy::prelude::*;
 use bevy::window::PrimaryWindow;
 
-#[derive(Component)]
-pub struct Player {
-    pub hp: f32,
-    pub pos: Vec3,
-    pub v: Vec3,
-}
-
-impl Default for Player {
-    fn default() -> Self {
-        Self {
-            hp: 100.0,
-            pos: Vec3::ZERO,
-            v: Vec3::ZERO,
-        }
-    }
-}
-
-pub enum SuitSystemHandler {
-    Heat,
-    None,
-}
-
-#[derive(Component)]
-pub struct PlayerEntity;
-
-#[derive(Component)]
-pub struct SuitSystem {
-    pub name: String,
-    pub active: bool,
-    pub power: f32,
-    pub handler: SuitSystemHandler,
-}
-
-impl Default for SuitSystem {
-    fn default() -> Self {
-        Self {
-            name: "Untitled".to_string(),
-            active: true,
-            power: 0.0,
-            handler: SuitSystemHandler::None,
-        }
-    }
-}
-
-#[derive(Resource)]
-pub struct PlayerVars {
-    pub oxygen: f32,
-    pub adrenaline: f32,
-    pub adrenaline_jolt: f32,
-    pub power: f32,
-}
-
-impl Default for PlayerVars {
-    fn default() -> Self {
-        Self {
-            oxygen: 0.1984,
-            adrenaline: 0.1,
-            adrenaline_jolt: 0.5,
-            power: 6200.0,
-        }
-    }
-}
-
-pub fn setup(
-    mut commands: Commands,
-    settings: Res<settings::Settings>,
-) {
-    commands.spawn(Player::default());
-    commands.spawn((
-        PlayerEntity,
-        SuitSystem {
-            name: "HUD".to_string(),
-            active: settings.hud_active,
-            power: -0.05,
-            ..default()
-        },
-        SuitSystem {
-            name: "Heater".to_string(),
-            handler: SuitSystemHandler::Heat,
-            ..default()
-        }
-    ));
-}
-
 pub fn handle_input(
     keyboard_input: Res<ButtonInput<KeyCode>>,
     mut windows: Query<&mut Window, With<PrimaryWindow>>,
@@ -104,15 +19,3 @@ pub fn handle_input(
     }
 }
 
-pub fn drain_resources(
-    mut playervars:ResMut<PlayerVars>,
-) {
-    if playervars.adrenaline_jolt.abs() > 1e-3 {
-        playervars.adrenaline_jolt *= 0.99;
-    }
-    else {
-        playervars.adrenaline_jolt = 0.0
-    }
-    playervars.adrenaline = (playervars.adrenaline - 0.0001 + playervars.adrenaline_jolt * 0.01).clamp(0.0, 1.0);
-    playervars.oxygen = (playervars.oxygen - 0.000001).clamp(0.0, 1.0);
-}
diff --git a/src/world.rs b/src/world.rs
index 7188701..5dff907 100644
--- a/src/world.rs
+++ b/src/world.rs
@@ -1,4 +1,4 @@
-use crate::camera;
+use crate::{actor, camera};
 use bevy::prelude::*;
 use bevy::core_pipeline::Skybox;
 use bevy::asset::LoadState;
@@ -22,6 +22,17 @@ pub fn setup(
     mut ambient_light: ResMut<AmbientLight>,
     asset_server: Res<AssetServer>,
 ) {
+    // Add player
+    commands.spawn((
+        actor::Player,
+        actor::Actor::default(),
+        actor::LifeForm::default(),
+        actor::Suit {
+            oxygen: actor::OXY_M,
+            ..default()
+        }
+    ));
+
     // Add skybox
     let skybox_handle = asset_server.load(CUBEMAP_PATH);
     commands.spawn((