.gitignore

@@ -1 +1,3 @@
 /target
+*.nix
+.vscode/

Cargo.lock

@@ -478,8 +478,7 @@ dependencies = [
 [[package]]
 name = "comfy"
 version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e8ff7c66a696e9a9e5523d0c4a6306711acb7f6d490d9c412b044a8c95f17f4"
+source = "git+https://github.com/Plonq/comfy/?branch=101-fix-keyboard-events#6293590aec51875e9832ef05a670149d371f849c"
 dependencies = [
  "comfy-core",
  "comfy-wgpu",
@@ -499,8 +498,7 @@ dependencies = [
 [[package]]
 name = "comfy-core"
 version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "398260ce649e9d35adc3ae75565406aab9b360c1e892a48ae3606e3138df150b"
+source = "git+https://github.com/Plonq/comfy/?branch=101-fix-keyboard-events#6293590aec51875e9832ef05a670149d371f849c"
 dependencies = [
  "ahash",
  "anyhow",
@@ -558,8 +556,7 @@ dependencies = [
 [[package]]
 name = "comfy-wgpu"
 version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6118f09fd99577503ba6861dac53840bae6cf202d70f97042f5cdf43c222e39a"
+source = "git+https://github.com/Plonq/comfy/?branch=101-fix-keyboard-events#6293590aec51875e9832ef05a670149d371f849c"
 dependencies = [
  "bytemuck",
  "comfy-core",

Cargo.toml

@@ -17,3 +17,8 @@ opt-level = 3
 [dependencies]
 comfy = { version = "0.4.0", features = ["wayland"] }
 log = "0.4.22"
+
+[patch.crates-io]
+# https://github.com/darthdeus/comfy/issues/101
+# https://github.com/darthdeus/comfy/pull/102
+comfy = { git = "https://github.com/Plonq/comfy/", branch = "101-fix-keyboard-events" }

src/activities/house.rs

@@ -1,7 +0,0 @@
-use comfy::*;
-
-pub fn draw(_state: &crate::State, _engine: &comfy::EngineContext) {
-	draw_circle(vec2(0.0, 0.0), 0.5, RED, 0);
-}
-
-pub fn update(_state: &mut crate::State, _engine: &mut comfy::EngineContext) {}

src/activities/house/grid.rs

@@ -0,0 +1,69 @@
+use comfy::*;
+
+#[derive(Debug)]
+pub struct Grid {
+	pub nodes: Vec<Vec2>,
+	pub connections: Vec<(usize, usize)>
+}
+
+impl Default for Grid {
+	fn default() -> Self {
+		Grid::load() //Just for testing purposes
+	}
+}
+
+impl Grid {
+	fn load() -> Self {
+		let mut grid = Self {
+			nodes: vec![
+				vec2(10.0, 0.0),
+				vec2(0.0, 0.0),
+				vec2(0.0, 10.0),
+				vec2(-10.0, 0.0),
+				vec2(10.0, 10.0),
+			],
+			connections: vec![(0, 1), (1, 2), (1, 3), (0, 4), (0, 5), (5, 1), (6, 7)]
+		};
+
+		grid.sanitize();
+
+		grid
+	}
+
+	fn sanitize(&mut self) {
+		let mut len = self.nodes.len();
+		let connections = self
+			.connections
+			.iter()
+			.filter(|(conn_i1, conn_i2)| {
+				if conn_i1 >= &mut len || conn_i2 >= &mut len {
+					error!("Connection in grid not possible {:?}", (conn_i1, conn_i2));
+					false
+				} else {
+					true
+				}
+			})
+			.map(|(conn_i1, conn_i2)| (*conn_i1, *conn_i2))
+			.collect();
+
+		self.connections = connections;
+	}
+
+	pub fn draw(&self) {
+		//Draw Grid
+		for node in &self.nodes {
+			draw_circle(*node, 0.25, BLUE, 0);
+		}
+		for (conn_i1, conn_i2) in &self.connections {
+			let node_1 = self.nodes.get(*conn_i1);
+			let node_2 = self.nodes.get(*conn_i2);
+
+			if node_1.is_none() || node_2.is_none() {
+				error!("Connection in grid not available {:?}", (conn_i1, conn_i2));
+				continue;
+			}
+
+			draw_line(*node_1.unwrap(), *node_2.unwrap(), 0.1, BLUE, 0);
+		}
+	}
+}

src/activities/house/mod.rs

@@ -0,0 +1,23 @@
+mod grid;
+mod player;
+
+use grid::Grid;
+use player::Player;
+
+#[derive(Debug, Default)]
+pub struct HouseState {
+	grid: Grid,
+	player: Player
+}
+
+pub fn draw(state: &crate::State, _engine: &comfy::EngineContext) {
+	//Draw Grid
+	state.house.grid.draw();
+
+	//Draw Player
+	state.house.player.draw();
+}
+
+pub fn update(state: &mut crate::State, _engine: &mut comfy::EngineContext) {
+	state.house.player.update(&state.house.grid);
+}

src/activities/house/player.rs

@@ -0,0 +1,268 @@
+use comfy::*;
+
+use super::Grid;
+
+#[derive(Debug)]
+pub struct Player {
+	position: Vec2,
+	speed: f32,
+	connection: usize,
+	next_connections: Vec<usize>
+}
+
+impl Default for Player {
+	fn default() -> Self {
+		Self {
+			position: Default::default(),
+			speed: 10.0,
+			connection: 0,
+			next_connections: vec![1, 2, 3]
+		}
+	}
+}
+impl Player {
+	pub fn draw(&self) {
+		draw_circle(self.position, 0.5, RED, 0);
+	}
+	pub fn update(&mut self, grid: &Grid) {
+		let allowed_movement = get_allowed_movement(self, grid);
+
+		move_player(self, allowed_movement);
+
+		if !on_current_connection(self, grid) && !update_connections(self, grid) {
+			snap_to_closest_node(self, grid);
+		}
+	}
+}
+
+fn move_player(player: &mut Player, allowed_movement: (bool, bool, bool, bool)) {
+	let (
+		allow_up_movement,
+		allow_down_movement,
+		allow_left_movement,
+		allow_right_movement
+	) = allowed_movement;
+
+	if allow_up_movement && is_key_down(KeyCode::Up) {
+		player.position += vec2(0.0, player.speed) * delta();
+	}
+
+	if allow_down_movement && is_key_down(KeyCode::Down) {
+		player.position += vec2(0.0, -player.speed) * delta();
+	}
+
+	if allow_right_movement && is_key_down(KeyCode::Right) {
+		player.position += vec2(player.speed, 0.0) * delta();
+	}
+
+	if allow_left_movement && is_key_down(KeyCode::Left) {
+		player.position += vec2(-player.speed, 0.0) * delta();
+	}
+}
+
+//(UP, DOWN, LEFT, RIGHT)
+fn get_allowed_movement(player: &Player, grid: &Grid) -> (bool, bool, bool, bool) {
+	let (conn_i1, conn_i2) = grid.connections.get(player.connection).unwrap();
+	let node_1 = grid.nodes.get(*conn_i1).unwrap();
+	let node_2 = grid.nodes.get(*conn_i2).unwrap();
+
+	let range = 0.25;
+
+	if in_node_range(&player.position, node_1, range)
+		|| in_node_range(&player.position, node_2, range)
+	{
+		(true, true, true, true)
+	} else {
+		let (
+			mut allow_up_movement,
+			mut allow_down_movement,
+			mut allow_left_movement,
+			mut allow_right_movement
+		) = get_allowed_connection_movement(&player.position, node_1, node_2);
+
+		for conn in &player.next_connections {
+			let (next_conn_i1, next_conn_i2) = grid.connections.get(*conn).unwrap();
+			let next_node_1 = grid.nodes.get(*next_conn_i1).unwrap();
+			let next_node_2 = grid.nodes.get(*next_conn_i2).unwrap();
+
+			let (
+				next_allow_up_movement,
+				next_allow_down_movement,
+				next_allow_left_movement,
+				next_allow_right_movement
+			) = get_allowed_connection_movement(&player.position, next_node_1, next_node_2);
+
+			(
+				allow_up_movement,
+				allow_down_movement,
+				allow_left_movement,
+				allow_right_movement
+			) = (
+				allow_up_movement || next_allow_up_movement,
+				allow_down_movement || next_allow_down_movement,
+				allow_left_movement || next_allow_left_movement,
+				allow_right_movement || next_allow_right_movement
+			);
+		}
+		(
+			allow_up_movement,
+			allow_down_movement,
+			allow_left_movement,
+			allow_right_movement
+		)
+	}
+}
+
+//(UP, DOWN, LEFT, RIGHT)
+fn get_allowed_connection_movement(
+	player_position: &Vec2,
+	node_1: &Vec2,
+	node_2: &Vec2
+) -> (bool, bool, bool, bool) {
+	let allow_left_movement = {
+		if node_1.x <= node_2.x {
+			node_1.x < player_position.x
+				&& player_position.x <= node_2.x
+				&& player_position.y == node_1.y
+		} else {
+			node_2.x < player_position.x
+				&& player_position.x <= node_1.x
+				&& player_position.y == node_1.y
+		}
+	};
+
+	let allow_right_movement = {
+		if node_1.x <= node_2.x {
+			node_1.x <= player_position.x
+				&& player_position.x < node_2.x
+				&& player_position.y == node_1.y
+		} else {
+			node_2.x <= player_position.x
+				&& player_position.x < node_1.x
+				&& player_position.y == node_1.y
+		}
+	};
+
+	let allow_up_movement = {
+		if node_1.y <= node_2.y {
+			node_1.y <= player_position.y
+				&& player_position.y < node_2.y
+				&& player_position.x == node_1.x
+		} else {
+			node_2.y <= player_position.y
+				&& player_position.y < node_1.y
+				&& player_position.x == node_1.x
+		}
+	};
+
+	let allow_down_movement = {
+		if node_1.y <= node_2.y {
+			node_1.y < player_position.y
+				&& player_position.y <= node_2.y
+				&& player_position.x == node_1.x
+		} else {
+			node_2.y < player_position.y
+				&& player_position.y <= node_1.y
+				&& player_position.x == node_1.x
+		}
+	};
+
+	(
+		allow_up_movement,
+		allow_down_movement,
+		allow_left_movement,
+		allow_right_movement
+	)
+}
+
+fn on_current_connection(player: &Player, grid: &Grid) -> bool {
+	let (conn_i1, conn_i2) = grid.connections.get(player.connection).unwrap();
+	let node_1 = grid.nodes.get(*conn_i1).unwrap();
+	let node_2 = grid.nodes.get(*conn_i2).unwrap();
+
+	on_connection(&player.position, node_1, node_2)
+}
+
+fn on_connection(player_position: &Vec2, node_1: &Vec2, node_2: &Vec2) -> bool {
+	let on_x = if node_1.x <= node_2.x {
+		node_1.x <= player_position.x && player_position.x <= node_2.x
+	} else {
+		node_2.x <= player_position.x && player_position.x <= node_1.x
+	};
+
+	let on_y = if node_1.y <= node_2.y {
+		node_1.y <= player_position.y && player_position.y <= node_2.y
+	} else {
+		node_2.y <= player_position.y && player_position.y <= node_1.y
+	};
+
+	on_x && on_y
+}
+
+fn update_connections(player: &mut Player, grid: &Grid) -> bool {
+	for conn in &player.next_connections {
+		let (next_conn_i1, next_conn_i2) = grid.connections.get(*conn).unwrap();
+		let next_node_1 = grid.nodes.get(*next_conn_i1).unwrap();
+		let next_node_2 = grid.nodes.get(*next_conn_i2).unwrap();
+
+		if on_connection(&player.position, next_node_1, next_node_2) {
+			player.connection = *conn;
+			//Update next connections
+			let mut next_connections = Vec::new();
+			for (i, (poss_conn_i1, poss_conn_i2)) in grid.connections.iter().enumerate() {
+				if (next_conn_i1, next_conn_i2) != (poss_conn_i1, poss_conn_i2)
+					&& next_conn_i1 == poss_conn_i1
+					|| next_conn_i1 == poss_conn_i2
+					|| next_conn_i2 == poss_conn_i1
+					|| next_conn_i2 == poss_conn_i2
+				{
+					next_connections.push(i);
+				}
+			}
+			player.next_connections = next_connections;
+
+			return true;
+		}
+	}
+	false
+}
+
+fn in_node_range(player_position: &Vec2, node: &Vec2, range: f32) -> bool {
+	node.x - range <= player_position.x
+		&& player_position.x <= node.x + range
+		&& node.y - range <= player_position.y
+		&& player_position.y <= node.y + range
+}
+
+fn get_squared_node_range(player_position: &Vec2, node: &Vec2) -> f32 {
+	(player_position.x - node.x).abs() + (player_position.y - node.y).abs()
+}
+
+fn snap_to_closest_node(player: &mut Player, grid: &Grid) {
+	let (current_connection_index_1, current_connection_index_2) =
+		grid.connections.get(player.connection).unwrap();
+
+	let mut nodes = HashSet::new();
+	nodes.insert(current_connection_index_1);
+	nodes.insert(current_connection_index_2);
+	for conn in &player.next_connections {
+		let (next_connection_index_1, next_connection_index_2) =
+			grid.connections.get(*conn).unwrap();
+
+		nodes.insert(next_connection_index_1);
+		nodes.insert(next_connection_index_2);
+	}
+
+	let mut closest_sqared_range = f32::MAX;
+	let mut closest_node = &vec2(0.0, 0.0);
+	for node_index in nodes {
+		let current_node = grid.nodes.get(*node_index).unwrap();
+		let current_squard_range = get_squared_node_range(&player.position, current_node);
+		if closest_sqared_range > current_squard_range {
+			closest_sqared_range = current_squard_range;
+			closest_node = current_node;
+		}
+	}
+
+	player.position = *closest_node;
+}

src/activities/mod.rs

@@ -1,8 +1,10 @@
 pub mod house;
 pub mod overworld;
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub enum Activity {
+	#[default]
 	House,
+	#[allow(dead_code)]
 	Overworld
 }

src/main.rs

@@ -1,22 +1,15 @@
 mod activities;
 mod game;
 
-use activities::Activity;
+use activities::{house::HouseState, Activity};
 use comfy::*;
 
 const GAME_NAME: &str = "Powercreep";
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 struct State {
-	activity: Activity
-}
-
-impl Default for State {
-	fn default() -> Self {
-		Self {
-			activity: Activity::House
-		}
-	}
+	activity: Activity,
+	house: HouseState
 }
 
 impl GameLoop for State {