1 files changed, 103 insertions, 0 deletions
diff --git a/game/src/lib.rs b/game/src/lib.rs
new file mode 100644
index 0000000..77942b4
--- /dev/null
+++ b/game/src/lib.rs
@@ -0,0 +1,103 @@
+use dungeon::{Dungeon, UpdateResult, player_input::PlayerInput, pos::Direction};
+use graphics::{Key, Window};
+
+pub struct Game {
+	window: Window,
+	dungeon: Dungeon,
+	// to ensure the most recently-pressed direction key is used:
+	current_dir: Option<(Direction, Key)>,
+}
+
+impl Game {
+	pub fn new(window: Window, seed: Option<u64>) -> Self {
+		let dungeon = match seed {
+			Some(s) => Dungeon::new(s),
+			None => Dungeon::random(),
+		};
+
+		Self {
+			window,
+			dungeon,
+			current_dir: None,
+		}
+	}
+
+	fn player_dir(&mut self) -> Option<Direction> {
+		const MOVE_KEYS: [(Direction, [Key; 2]); 4] = [
+			(Direction::North, [Key::Up, Key::W]),
+			(Direction::West, [Key::Left, Key::A]),
+			(Direction::South, [Key::Down, Key::S]),
+			(Direction::East, [Key::Right, Key::D]),
+		];
+
+		// if a key was just pressed, use it for the new direction to move in
+		for (dir, keys) in MOVE_KEYS {
+			for key in keys {
+				if self.window.is_key_pressed(key) {
+					self.current_dir = Some((dir, key));
+					return Some(dir);
+				}
+			}
+		}
+		// otherwise, use existing direction, so long as the key is still down
+		match self.current_dir {
+			Some((dir, key)) if self.window.is_key_down(key) => return Some(dir),
+			_ => self.current_dir = None,
+		}
+		// otherwise, use any key that is already down
+		for (dir, keys) in MOVE_KEYS {
+			for key in keys {
+				if self.window.is_key_down(key) {
+					self.current_dir = Some((dir, key));
+					return Some(dir);
+				}
+			}
+		}
+		// otherwise, no direction key is pressed, so return None
+		None
+	}
+
+	pub fn run(&mut self) {
+		// Main game loop
+		while self.window.is_open() {
+			// Handle debug keys
+			if self.window.is_key_pressed(Key::F3) {
+				self.window.toggle_debug();
+			}
+			if self.window.is_key_pressed(Key::F4) {
+				self.dungeon
+					.msg
+					.set_message("Lorem ipsum dolor sit amet consectetur adipiscing elit");
+			}
+
+			let inputs = PlayerInput {
+				direction: self.player_dir(),
+				interact: self.window.is_key_pressed(Key::Return),
+			};
+
+			// Update game state
+			let result = self
+				.dungeon
+				.update(inputs, self.window.delta_time().as_secs_f32());
+			match result {
+				UpdateResult::EntityMovement => {}
+				UpdateResult::NextFloor => {
+					// TODO: stairs audio
+				}
+				UpdateResult::MessageUpdated(changed) => {
+					if changed {
+						self.window.audio().speak.play();
+					}
+				}
+			}
+
+			// Update on screen message
+			if self.dungeon.msg.update(inputs) {
+				self.window.audio().speak.play();
+			}
+
+			// Draw a single frame
+			self.window.draw_frame(&self.dungeon);
+		}
+	}
+}