add visuals and camera - chapter 5

rusty-roguelike/src/main.rs

@@ -1,42 +1,69 @@
 mod map;
 mod player;
+mod map_builder;
+mod camera;
 
 mod prelude {
     pub use bracket_lib::prelude::*;
     pub use crate::map::*;
     pub use crate::player::*;
+    pub use crate::map_builder::*;
+    pub use crate::camera::*;
     
     pub const SCREEN_WIDTH: i32 = 80;
     pub const SCREEN_HEIGHT: i32 = 50;
+    
+    pub const DISPLAY_WIDTH: i32 = SCREEN_WIDTH / 2;
+    pub const DISPLAY_HEIGHT: i32 = SCREEN_HEIGHT / 2;
 }
 
+const FONT_PATH: &str = "dungeonfont.png";
+
 use prelude::*;
 
 struct State {
     map: Map,
     player: Player,
+    camera: Camera,
 }
 
 impl State {
     fn new() -> Self {
+        let mut rng = RandomNumberGenerator::new();
+        let mb = MapBuilder::new(&mut rng);
+
         return Self {
-            map: Map::new(),
-            player: Player::new(Point { x: SCREEN_WIDTH / 2, y: SCREEN_HEIGHT / 2 }),
+            map: mb.map,
+            player: Player::new(mb.player_start),
+            camera: Camera::new(mb.player_start),
         };
     }
 }
 
 impl GameState for State {
     fn tick(&mut self, ctx: &mut BTerm) {
+        ctx.set_active_console(0);
         ctx.cls();
-        self.player.update(ctx, &self.map);
-        self.map.render(ctx);
-        self.player.render(ctx);
+        ctx.set_active_console(1);
+        ctx.cls();
+
+        self.player.update(ctx, &self.map, &mut self.camera);
+        self.map.render(ctx, &self.camera);
+        self.player.render(ctx, &self.camera);
     }
 }
 
 fn main() -> BError {
-    let context = BTermBuilder::simple80x50().with_title("Dungeon Crawler").with_fps_cap(30.0).build()?;
+    let context = BTermBuilder::new()
+        .with_title("Dungeon Crawler")
+        .with_fps_cap(30.0)
+        .with_dimensions(DISPLAY_WIDTH, DISPLAY_HEIGHT)
+        .with_tile_dimensions(32, 32)
+        .with_resource_path("resources/")
+        .with_font(FONT_PATH, 32, 32)
+        .with_simple_console(DISPLAY_WIDTH, DISPLAY_HEIGHT, FONT_PATH)
+        .with_simple_console_no_bg(DISPLAY_WIDTH, DISPLAY_HEIGHT, FONT_PATH)
+        .build()?;
 
     return main_loop(context, State::new());
 }