debugging and more screens

src/gamecore.rs

@@ -2,15 +2,20 @@
 
 use std::fmt;
 
-use raylib::{RaylibHandle, RaylibThread};
+use raylib::{
+    camera::Camera2D, math::Vector2, prelude::RaylibDrawHandle, RaylibHandle, RaylibThread,
+};
 
 use crate::resources::GlobalResources;
 
+use log::debug;
+
 /// Overall states for the game
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Copy, Clone)]
 pub enum GameState {
     Loading,
     MainMenu,
+    PauseMenu,
 }
 
 impl fmt::Display for GameState {
@@ -23,20 +28,47 @@ impl fmt::Display for GameState {
 pub struct GameCore {
     /// The game's overall state
     pub state: GameState,
+    pub last_state: GameState,
     pub last_state_change_time: f64,
     pub has_rendered_first_frame: bool,
 
     /// Resources
     pub resources: GlobalResources,
+
+    /// Camera (more than one maybe?)
+    pub master_camera: Camera2D,
+
+    /// Debug features
+    pub show_simple_debug_info: bool
 }
 
 impl GameCore {
     pub fn new(raylib: &mut RaylibHandle, thread: &RaylibThread) -> Self {
         Self {
             state: GameState::Loading,
+            last_state: GameState::Loading,
             last_state_change_time: 0.0,
             has_rendered_first_frame: false,
-            resources: GlobalResources::load_all(raylib, thread).expect("Failed to load game assets. Can not launch!"),
+            resources: GlobalResources::load_all(raylib, thread)
+                .expect("Failed to load game assets. Can not launch!"),
+            master_camera: Camera2D {
+                offset: Vector2::zero(),
+                target: Vector2::zero(),
+                rotation: 0.0,
+                zoom: 1.0,
+            },
+            show_simple_debug_info: false
+        }
+    }
+
+    pub fn switch_state(&mut self, new_state: GameState, draw_handle: Option<&RaylibDrawHandle>) {
+        debug!("Switching global state to: {}", new_state);
+
+        self.last_state = self.state;
+        self.state = new_state;
+
+        if draw_handle.is_some() {
+            self.last_state_change_time = draw_handle.as_ref().unwrap().get_time();
         }
     }
 }

src/logic/mainmenu.rs

@@ -23,8 +23,11 @@ impl Screen for MainMenuScreen {
         audio_system: &mut AudioPlayer,
         game_core: &mut GameCore,
     ) -> Option<GameState> {
+
         // Clear frame
-        draw_handle.clear_background(Color::RED);
+        draw_handle.clear_background(Color::WHITE);
+
+        
 
         return None;
     }

src/logic/mod.rs

@@ -1,4 +1,5 @@
 pub mod screen;
 pub mod loadingscreen;
 pub mod mainmenu;
-
+pub mod pausemenu;
+pub mod ingame;

src/logic/pausemenu.rs

@@ -0,0 +1,34 @@
+use raylib::prelude::*;
+
+use crate::{
+    gamecore::{GameCore, GameState},
+    lib::wrappers::audio::player::AudioPlayer,
+};
+
+use super::screen::Screen;
+
+pub struct PauseMenuScreen {}
+
+impl PauseMenuScreen {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl Screen for PauseMenuScreen {
+    fn render(
+        &mut self,
+        draw_handle: &mut RaylibDrawHandle,
+        thread: &RaylibThread,
+        audio_system: &mut AudioPlayer,
+        game_core: &mut GameCore,
+    ) -> Option<GameState> {
+
+        // Clear frame
+        draw_handle.clear_background(Color::WHITE);
+
+        
+
+        return None;
+    }
+}

src/main.rs

@@ -5,8 +5,10 @@ mod resources;
 
 use gamecore::{GameCore, GameState};
 use lib::{utils::profiler::GameProfiler, wrappers::audio::player::AudioPlayer};
-use log::{debug, info};
-use logic::{loadingscreen::LoadingScreen, mainmenu::MainMenuScreen, screen::Screen};
+use logic::{
+    loadingscreen::LoadingScreen, mainmenu::MainMenuScreen, pausemenu::PauseMenuScreen,
+    screen::Screen,
+};
 use raylib::prelude::*;
 
 // Game Launch Configuration
@@ -47,6 +49,7 @@ fn main() {
     // Create all the game screens
     let mut loading_screen = LoadingScreen::new();
     let mut main_menu_screen = MainMenuScreen::new();
+    let mut pause_menu_screen = PauseMenuScreen::new();
 
     // Main rendering loop
     while !raylib.window_should_close() {
@@ -66,12 +69,17 @@ fn main() {
                 &mut audio_system,
                 &mut game_core,
             ),
+            GameState::PauseMenu => pause_menu_screen.render(
+                &mut draw_handle,
+                &raylib_thread,
+                &mut audio_system,
+                &mut game_core,
+            ),
         };
 
+        // If needed, update the global state
         if new_state.is_some() {
-            game_core.state = new_state.unwrap();
-            game_core.last_state_change_time = draw_handle.get_time();
-            debug!("Switching global state to: {}", game_core.state);
+            game_core.switch_state(new_state.unwrap(), Some(&draw_handle));
         }
 
         // Feed the profiler
@@ -90,6 +98,24 @@ fn main() {
             profiler.update();
         }
 
+        // Debug key
+        if draw_handle.is_key_pressed(KeyboardKey::KEY_F3) {
+            game_core.show_simple_debug_info = !game_core.show_simple_debug_info;
+        }
+
+        // Handle showing some simple debug info if needed
+        if game_core.show_simple_debug_info {
+            draw_handle.draw_text(
+                &format!("FPS: {}", draw_handle.get_fps()),
+                0,
+                0,
+                20,
+                Color::RED,
+            );
+            #[cfg(debug_assertions)]
+            draw_handle.draw_text("DEBUG BUILD", 0, 20, 20, Color::RED);
+        }
+
         // Set the first frame flag
         game_core.has_rendered_first_frame = true;
     }