implement god mode

README.md

@@ -43,6 +43,7 @@ Links:
     - T: Toggle music
     - M: Toggle sound effects
 - Cheats
+    - G: Toggle god mode / cheats
     - V/B: Impossible acceleration forward/backward
     - Shift+V/B: Same as V/B, but a thousand times faster
     - C: Impossibly instant stopping
@@ -155,6 +156,7 @@ python -m http.server -d wasm
     - Implement targeting objects with left click (AR only)
     - Implement matching velocity to targeted objects with space
     - Implement damage from g-forces, passing out
+    - Implement god mode
     - Fix crash by avoiding legacy fullscreen mode
 - v0.5.3:
     - Implement death & respawning

src/actor.rs

@@ -403,8 +403,12 @@ fn handle_player_death(
     mut ew_sfx: EventWriter<audio::PlaySfxEvent>,
     mut ew_effect: EventWriter<effects::SpawnEffectEvent>,
     mut log: ResMut<hud::Log>,
+    settings: Res<settings::Settings>,
 ) {
     for _ in er_playerdies.read() {
+        if settings.god_mode {
+            return;
+        }
         for entity in &q_noscenes {
             cmd.entity(entity).despawn();
         }
@@ -427,21 +431,28 @@ fn handle_player_death(
 fn handle_damage(
     mut ew_playerdies: EventWriter<PlayerDiesEvent>,
     mut q_hp: Query<(&mut HitPoints, Option<&Player>), Changed<HitPoints>>,
+    settings: Res<settings::Settings>,
 ) {
     for (mut hp, player_maybe) in &mut q_hp {
-        hp.current -= hp.damage;
-        hp.damage = 0.0;
         if player_maybe.is_some() {
+            if !settings.god_mode {
+                hp.current -= hp.damage;
+            }
             if hp.current <= 0.0 {
                 ew_playerdies.send(PlayerDiesEvent);
             }
         }
+        else {
+            hp.current -= hp.damage;
+        }
+        hp.damage = 0.0;
     }
 }
 
 fn handle_gforce(
     time: Res<Time>,
     mut q_actor: Query<(&LinearVelocity, &mut HitPoints, &mut ExperiencesGForce)>,
+    settings: Res<settings::Settings>,
 ) {
     let dt = time.delta_seconds();
     let factor = 1.0 / dt / 9.81;
@@ -457,14 +468,16 @@ fn handle_gforce(
             hp.damage += (gforce.gforce - gforce.damage_threshold).powf(2.0) / 3000.0;
         }
 
-        if gforce.blackout > 0.0001 {
-            gforce.blackout *= 0.984;
-        }
-        else if gforce.blackout > 0.0 {
-            gforce.blackout = 0.0;
-        }
-        if gforce.gforce > gforce.blackout_threshold {
-            gforce.blackout += (gforce.gforce - gforce.blackout_threshold).powf(2.0) / 300000.0
+        if !settings.god_mode {
+            if gforce.blackout > 0.0001 {
+                gforce.blackout *= 0.984;
+            }
+            else if gforce.blackout > 0.0 {
+                gforce.blackout = 0.0;
+            }
+            if gforce.gforce > gforce.blackout_threshold {
+                gforce.blackout += (gforce.gforce - gforce.blackout_threshold).powf(2.0) / 300000.0
+            }
         }
     }
 }

src/settings.rs

@@ -4,6 +4,7 @@ use std::env;
 #[derive(Resource)]
 pub struct Settings {
     pub dev_mode: bool,
+    pub god_mode: bool,
     pub mute_sfx: bool,
     pub mute_music: bool,
     pub volume_sfx: u8,
@@ -50,6 +51,7 @@ pub struct Settings {
     pub key_reply8: KeyCode,
     pub key_reply9: KeyCode,
     pub key_reply10: KeyCode,
+    pub key_cheat_god_mode: KeyCode,
     pub key_cheat_stop: KeyCode,
     pub key_cheat_speed: KeyCode,
     pub key_cheat_speed_backward: KeyCode,
@@ -82,6 +84,7 @@ impl Default for Settings {
 
         Settings {
             dev_mode: dev_mode,
+            god_mode: false,
             mute_sfx: default_mute_sfx,
             mute_music: default_mute_music,
             volume_sfx: 100,
@@ -128,6 +131,7 @@ impl Default for Settings {
             key_reply8: KeyCode::Digit8,
             key_reply9: KeyCode::Digit9,
             key_reply10: KeyCode::Digit0,
+            key_cheat_god_mode: KeyCode::KeyG,
             key_cheat_stop: KeyCode::KeyC,
             key_cheat_speed: KeyCode::KeyV,
             key_cheat_speed_backward: KeyCode::KeyB,

src/world.rs

@@ -1,4 +1,4 @@
-use crate::{actor, hud, nature, settings, stars};
+use crate::{actor, audio, hud, nature, settings, stars};
 use bevy::prelude::*;
 use bevy::render::render_resource::{AsBindGroup, ShaderRef};
 use bevy::math::{DVec3, I64Vec3};
@@ -378,7 +378,8 @@ fn handle_cheats(
     mut q_player: Query<(&Transform, &mut Position, &mut LinearVelocity), With<actor::PlayerCamera>>,
     mut q_life: Query<(&mut actor::LifeForm, &mut actor::ExperiencesGForce), With<actor::Player>>,
     mut ew_playerdies: EventWriter<actor::PlayerDiesEvent>,
-    settings: ResMut<settings::Settings>,
+    mut settings: ResMut<settings::Settings>,
+    mut ew_sfx: EventWriter<audio::PlaySfxEvent>,
 ) {
     if q_player.is_empty() || q_life.is_empty() {
         return;
@@ -390,6 +391,16 @@ fn handle_cheats(
     } else {
         1e3
     };
+    if key_input.just_pressed(settings.key_cheat_god_mode) {
+        settings.god_mode ^= true;
+        if settings.god_mode {
+            ew_sfx.send(audio::PlaySfxEvent(audio::Sfx::EnterVehicle));
+        }
+    }
+    if !settings.god_mode && !settings.dev_mode {
+        return;
+    }
+
     if key_input.just_pressed(settings.key_cheat_stop) {
         gforce.ignore_gforce_seconds = 1.0;
         v.0 = DVec3::ZERO;