Merge pull request #16 from Ewpratten/cave_rendering

Cave rendering

assets/worlds/mainworld.json

@@ -3,6 +3,10 @@
         "x": 10000.0,
         "y": 10000.0
     },
+    "player_spawn": {
+        "x": 220.0,
+        "y": 50.0
+    },
     "fish": [
         {
             "x": 500.0,

src/gamecore.rs

@@ -107,6 +107,7 @@ impl GameCore {
         world: World,
         progress: GameProgress,
     ) -> Self {
+        let player = Player::new(&world.player_spawn);
         Self {
             state: GameState::Loading,
             last_state: GameState::Loading,
@@ -117,13 +118,13 @@ impl GameCore {
                 .expect("Failed to load game assets. Can not launch!"),
             master_camera: Camera2D {
                 offset: Vector2::zero(),
-                target: Vector2::zero(),
+                target: world.player_spawn,
                 rotation: 0.0,
                 zoom: 2.0,
             },
             show_simple_debug_info: false,
             world: world,
-            player: Player::new(),
+            player,
             progress: progress,
         }
     }

src/logic/ingame/mod.rs

@@ -6,6 +6,7 @@ use raylib::prelude::*;
 use crate::{
     gamecore::{GameCore, GameState},
     lib::wrappers::audio::player::AudioPlayer,
+    pallette::{SKY, WATER},
 };
 
 use super::screen::Screen;
@@ -31,7 +32,48 @@ impl InGameScreen {
         context_2d: &mut RaylibMode2D<RaylibDrawHandle>,
         game_core: &mut GameCore,
     ) {
-        context_2d.draw_circle(0, 0, 10.0, Color::BLACK);
+        // Build source bounds
+        let source_bounds = Rectangle {
+            x: 0.0,
+            y: 0.0,
+            width: game_core.resources.cave_mid_layer.width as f32,
+            height: game_core.resources.cave_mid_layer.height as f32,
+        };
+        let world_bounds = Rectangle {
+            x: 0.0,
+            y: 0.0,
+            width: game_core.resources.cave_mid_layer.width as f32,
+            height: game_core.resources.cave_mid_layer.height as f32,
+        };
+
+        // Clear the background
+        context_2d.draw_rectangle_rec(world_bounds, WATER);
+
+        // Render the world texture
+        context_2d.draw_texture_rec(
+            &game_core.resources.cave_mid_layer,
+            source_bounds,
+            Vector2 {
+                x: world_bounds.x,
+                y: world_bounds.y,
+            },
+            Color::WHITE,
+        );
+    }
+
+    fn render_colliders(
+        &mut self,
+        context_2d: &mut RaylibMode2D<RaylibDrawHandle>,
+        game_core: &mut GameCore,
+    ) {
+        // Render every collider
+        for collider in game_core.world.colliders.iter() {
+            context_2d.draw_rectangle_lines_ex(
+                collider,
+                1,
+                Color::RED,
+            );
+        }
     }
 }
 
@@ -47,7 +89,7 @@ impl Screen for InGameScreen {
         let dt = draw_handle.get_time() - game_core.last_frame_time;
 
         // Clear frame
-        draw_handle.clear_background(Color::BLUE);
+        draw_handle.clear_background(Color::BLACK);
 
         // Handle the pause menu being opened
         if draw_handle.is_key_pressed(KeyboardKey::KEY_ESCAPE) {
@@ -72,6 +114,9 @@ impl Screen for InGameScreen {
 
             // Render the world
             self.render_world(&mut context_2d, game_core);
+            if game_core.show_simple_debug_info{
+                self.render_colliders(&mut context_2d, game_core);
+            }
 
             // Render entities
             let fish_clone = game_core.world.fish.clone();

src/logic/ingame/playerlogic.rs

@@ -129,8 +129,20 @@ pub fn update_player_movement(
     // Only do this if the mouse is far enough away
     let player_real_movement = game_core.player.direction * speed_multiplier;
     if raw_movement_direction.distance_to(Vector2::zero()) > game_core.player.size.y / 2.0 {
-        game_core.player.position += player_real_movement;
         game_core.player.is_moving = true;
+        game_core.player.position += player_real_movement;
+
+        // Check for any collisions
+        for collider in game_core.world.colliders.iter() {
+            if game_core.player.collides_with_rec(collider) {
+                game_core.player.is_moving = false;
+                break;
+            }
+        }
+
+        if !game_core.player.is_moving {
+            game_core.player.position -= player_real_movement;
+        }
     } else {
         game_core.player.is_moving = false;
     }
@@ -142,9 +154,19 @@ pub fn update_player_movement(
         draw_handle.get_world_to_screen2D(game_core.player.position, game_core.master_camera);
 
     // Camera only moves if you get close to the edge of the screen
-    if player_screen_position.distance_to(window_center).abs() > (window_center.y - 40.0) {
+    if player_screen_position.distance_to(window_center).abs() > 100.0 {
         game_core.master_camera.target += player_real_movement;
     }
+
+    // If the player is not on screen, snap the camera to them
+    if player_screen_position.distance_to(window_center).abs() > window_center.y {
+        game_core.master_camera.target = game_core.player.position - (window_center / 2.0);
+    }
+
+    // // Clamp camera target y to 0
+    // if game_core.master_camera.target.y < -100.0 {
+    //     game_core.master_camera.target.y = -100.0;
+    // }
 }
 
 pub fn render_player(context_2d: &mut RaylibMode2D<RaylibDrawHandle>, game_core: &mut GameCore) {

src/main.rs

@@ -13,7 +13,7 @@ use lib::{utils::profiler::GameProfiler, wrappers::audio::player::AudioPlayer};
 use log::info;
 use logic::{gameend::GameEndScreen, ingame::InGameScreen, loadingscreen::LoadingScreen, mainmenu::MainMenuScreen, pausemenu::PauseMenuScreen, screen::Screen};
 use raylib::prelude::*;
-use world::World;
+use world::{World, load_world_colliders};
 
 // Game Launch Configuration
 const DEFAULT_WINDOW_DIMENSIONS: Vector2 = Vector2 {
@@ -32,7 +32,7 @@ fn main() {
         .size(
             DEFAULT_WINDOW_DIMENSIONS.x as i32,
             DEFAULT_WINDOW_DIMENSIONS.y as i32,
-        )
+        ).msaa_4x()
         .title(WINDOW_TITLE)
         .build();
     raylib.set_target_fps(MAX_FPS);
@@ -41,7 +41,8 @@ fn main() {
     raylib.set_exit_key(None);
 
     // Load the world
-    let world = World::load_from_json("./assets/worlds/mainworld.json".to_string()).expect("Failed to load main world JSON");
+    let world_colliders = load_world_colliders("./assets/img/map/cave.json".to_string()).expect("Failed to load world colliders");
+    let world = World::load_from_json("./assets/worlds/mainworld.json".to_string(), world_colliders).expect("Failed to load main world JSON");
 
     // Load the game progress
     let game_progress = GameProgress::try_from_file("./assets/savestate.json".to_string());

src/pallette.rs

@@ -20,3 +20,17 @@ pub const TRANSLUCENT_WHITE_64: Color = Color {
     b: 255,
     a: 64,
 };
+
+pub const SKY: Color = Color {
+    r: 15,
+    g: 193,
+    b: 217,
+    a: 255
+};
+
+pub const WATER: Color = Color {
+    r: 24,
+    g: 66,
+    b: 143,
+    a: 255
+};

src/player.rs

@@ -1,6 +1,6 @@
-use raylib::math::Vector2;
-
+use raylib::math::{Rectangle, Vector2};
 
+use crate::lib::utils::triangles::rotate_vector;
 
 #[derive(Debug, Default)]
 pub struct Player {
@@ -12,20 +12,48 @@ pub struct Player {
     pub breath_percent: f32,
     pub is_moving: bool,
     pub is_boosting: bool,
-    pub is_boost_charging: bool
+    pub is_boost_charging: bool,
 }
 
 impl Player {
-    pub fn new() -> Self {
+    pub fn new(spawn: &Vector2) -> Self {
         Self {
             boost_percent: 1.0,
-            size: Vector2 {
-                x: 11.0,
-                y: 21.0
-            },
+            size: Vector2 { x: 11.0, y: 21.0 },
             breath_percent: 1.0,
+            position: spawn.clone(),
             ..Default::default()
+        }
+    }
 
-        }
+    pub fn collides_with_rec(&self, rectangle: &Rectangle) -> bool {
+        // // Build a bounding box of the player by their corners
+        // let top_left_corner = self.position - (self.size / 2.0);
+        // let bottom_right_corner = self.position + (self.size / 2.0);
+        // let top_right_corner = Vector2 {
+        //     x: bottom_right_corner.x,
+        //     y: top_left_corner.y,
+        // };
+        // let bottom_left_corner = Vector2 {
+        //     x: top_left_corner.x,
+        //     y: bottom_right_corner.y,
+        // };
+
+        // // Get the rotation
+        // let rotation = Vector2::zero().angle_to(self.direction);
+
+        // // Rotate the bounds
+        // let top_left_corner = rotate_vector(top_left_corner, rotation);
+        // let bottom_right_corner = rotate_vector(bottom_right_corner, rotation);
+        // let top_right_corner = rotate_vector(top_right_corner, rotation);
+        // let bottom_left_corner = rotate_vector(bottom_left_corner, rotation);
+
+        // // Check for collisions
+        // return rectangle.check_collision_point_rec(top_left_corner)
+        //     || rectangle.check_collision_point_rec(bottom_right_corner)
+        //     || rectangle.check_collision_point_rec(top_right_corner)
+        //     || rectangle.check_collision_point_rec(bottom_left_corner);
+
+        return rectangle.check_collision_circle_rec(self.position, (self.size.y * 0.5) / 2.0);
     }
 }

src/resources.rs

@@ -16,6 +16,9 @@ pub struct GlobalResources {
     pub player_animation_regular: FrameAnimationWrapper,
     pub player_animation_boost_charge: FrameAnimationWrapper,
     pub player_animation_boost: FrameAnimationWrapper,
+
+    // Cave
+    pub cave_mid_layer: Texture2D
 }
 
 impl GlobalResources {
@@ -56,6 +59,10 @@ impl GlobalResources {
                 21,
                 30,
             ),
+            cave_mid_layer: raylib.load_texture_from_image(
+                &thread,
+                &Image::load_image("./assets/img/map/cave.png")?,
+            )?,
         })
     }
 }

src/world.rs

@@ -1,6 +1,6 @@
 use std::{fs::File, io::BufReader};
 
-use raylib::math::Vector2;
+use raylib::math::{Rectangle, Vector2};
 use serde::{Deserialize, Serialize};
 use std::io::Read;
 use failure::Error;
@@ -10,16 +10,20 @@ use crate::entities::fish::FishEntity;
 #[derive(Debug, Serialize, Deserialize, Clone)]
 pub struct World {
     pub end_position: Vector2,
+    pub player_spawn: Vector2,
 
     #[serde(rename = "fish")]
     pub fish_positions: Vec<Vector2>,
 
     #[serde(skip)]
-    pub fish: Vec<FishEntity>
+    pub fish: Vec<FishEntity>,
+
+    #[serde(skip)]
+    pub colliders: Vec<Rectangle>
 }
 
 impl World {
-    pub fn load_from_json(file: String) -> Result<Self, Error> {
+    pub fn load_from_json(file: String, colliders: Vec<Rectangle>) -> Result<Self, Error> {
         // Load the file
         let file = File::open(file)?;
         let reader = BufReader::new(file);
@@ -30,6 +34,17 @@ impl World {
         // Init all fish
         result.fish = FishEntity::new_from_positions(&result.fish_positions);
 
+        // Init colliders
+        result.colliders = Vec::new();
+        for collider in colliders.iter(){
+            result.colliders.push(Rectangle {
+                x: collider.x - (collider.width / 2.0),
+                y: collider.y - (collider.height / 2.0),
+                width: collider.width,
+                height: collider.height,
+            });
+        }
+
         Ok(result)
     }
 
@@ -45,3 +60,13 @@ impl World {
         }
     }
 }
+
+
+pub fn load_world_colliders(file: String) -> Result<Vec<Rectangle>, Error> {
+    // Load the file
+    let file = File::open(file)?;
+    let reader = BufReader::new(file);
+
+    // Deserialize
+    Ok(serde_json::from_reader(reader)?)
+}