Added player render, movements, and bounds detection

doc/progress.md

@@ -2,3 +2,6 @@
 
 First running programm with an empty map 
 <img src="./screenshots/EmptyMap.png" width="80%">
+
+Added Player movement and render
+<img src="./screenshots/EmptyMap_and_Player.png" width="80%">

src/main.rs

@@ -4,12 +4,14 @@
 /// date : 26/04/2022
 /// brief : Main game file
 mod map;
+mod player;
 
 mod prelude {
     pub use bracket_lib::prelude::*;
     pub const SCREEN_WIDTH: i32 = 80;
     pub const SCREEN_HEIGHT: i32 = 50;
     pub use crate::map::*;
+    pub use crate::player::*;
 }
 use prelude::*;
 
@@ -17,18 +19,26 @@ const FPS_CAP : f32 = 30.0;
 
 struct State {
     map: Map,
+    player: Player,
 }
 impl State {
     fn new() -> Self {
-        Self {map: Map::new()}
+        Self {
+            map: Map::new(),
+            player: Player::new(
+                //spawns the player in the middle of the map
+                Point::new(SCREEN_WIDTH / 2,SCREEN_HEIGHT / 2)
+            )
+        }
     }
 }
 
 impl GameState for State{
     fn tick(&mut self,ctx: &mut BTerm){
         ctx.cls();
-        //ctx.print(1,1,"Hello, Bracket Terminal!");
+        self.player.update(ctx,&self.map);
         self.map.render(ctx);
+        self.player.render(ctx);
     }
 }
 

src/map.rs

@@ -20,16 +20,31 @@ pub fn map_idx(x: i32, y: i32) -> usize {
     ((y * SCREEN_WIDTH) + x)as usize
 }
 impl Map {
+    /// Constructor
     pub fn new() -> Self{
         Self {
             tiles: vec![TileType::Floor; NUM_TILES],
         }
     }
-    /*
+
+    /// Bounds Logic
     pub fn in_bounds(&self,point : Point) -> bool{
-        point.x >=
+        point.x >=0 && point.x < SCREEN_WIDTH 
+        && point.y >= 0 && point.y < SCREEN_HEIGHT
     }
-    */
+    pub fn can_enter_tile(&self,point: Point) -> bool {
+        self.in_bounds(point) 
+        && self.tiles[map_idx(point.x, point.y)] == TileType::Floor
+    }
+    pub fn  try_idx(&self, point : Point) -> Option<usize> {
+        if !self.in_bounds(point){
+            None
+        }else{
+            Some(map_idx(point.x,point.y))
+        }
+    }
+    
+    /// Render Logic
     pub fn render(&self, ctx: &mut BTerm){
         for y in 0..SCREEN_HEIGHT{
             for x in 0..SCREEN_WIDTH {

src/player.rs

@@ -0,0 +1,47 @@
+/// file : player.rs
+/// author : Maxime Rohmer (from Herbet Wolverson book)
+/// version : 0.1.0
+/// date : 26/04/2022
+/// brief : File that contains all the Player related stuff
+
+use crate::prelude::*;
+
+pub struct Player {
+    pub position: Point
+}
+impl Player{
+    /// Construtor
+    pub fn new(position:Point) -> Self{
+        Self{
+            position
+        }
+    }
+
+    /// Render Logic
+    pub fn render(&self,ctx: &mut BTerm) {
+        ctx.set(
+            self.position.x,
+            self.position.y,
+            WHITE,
+            BLACK,
+            to_cp437('@'),
+        );
+    }
+
+    /// Player Movement Logic
+    pub fn update(&mut self,ctx: &mut BTerm, map:&Map){
+        if let Some(key) = ctx.key{
+            let delta = match key{
+                VirtualKeyCode::Left => Point::new(-1,0),
+                VirtualKeyCode::Right => Point::new(1,0),
+                VirtualKeyCode::Up => Point::new(0,-1),
+                VirtualKeyCode::Down => Point::new(0,1),
+                _ => Point::zero()
+            };
+            let new_position = self.position + delta;
+            if map.can_enter_tile(new_position) {
+                self.position = new_position;
+            }
+        }
+    }
+}