20 Commits

Author SHA1 Message Date
7a8fa84942 Implement chest experiment one 2023-11-22 21:09:08 +01:00
849749b6bb fix bug 2023-11-22 06:59:05 +01:00
470d00bbe1 git fix underflow bug 2023-11-21 21:27:26 +01:00
f9deea4bde remove casts 2023-11-21 20:38:27 +01:00
1cfe16c4ef Implement fog of dungeon 2023-11-20 22:59:19 +01:00
d44c0fd53e Implement level change 2023-11-19 18:50:55 +01:00
7e6b2b287b use user's name as character name 2023-11-19 16:43:45 +01:00
9971d9dee5 level generator works
fixing imports and stuff
2023-11-19 16:22:16 +01:00
91160edb3f minimal spanning tree implemented
no disconnected rooms
2023-11-19 09:59:19 +01:00
b4122d321b clean up 2023-11-15 21:57:51 +01:00
a9c22f0944 generator except paths 2023-11-15 21:42:20 +01:00
95f5fd4944 working on level generator
rooms work, connections are missing
2023-11-14 10:01:53 +01:00
3df042b0d8 start generating rooms 2023-11-12 18:58:02 +01:00
186e9136c7 use rand crate 2023-11-12 17:19:55 +01:00
ddf206343c start generating 2023-11-12 15:48:03 +01:00
3830f26e92 Check if move would end in a wall first 2023-11-12 09:20:03 +01:00
62040642eb move player 2023-11-11 18:55:31 +01:00
9101e0ae6d Player is drawn 2023-11-11 18:09:12 +01:00
732c68448f forgotten file 2023-11-11 16:01:44 +01:00
51419ff0b8 Wall drawing works 2023-11-11 07:00:29 +01:00
14 changed files with 462 additions and 1620 deletions

View File

@@ -1,24 +0,0 @@
name: publish package
on:
push:
branches:
- main
jobs:
Explore-Gitea-Actions:
runs-on: ubuntu-latest
steps:
- name: Check out repository code
uses: actions/checkout@v4
- name: run tests
run: |
cd ${{ gitea.workspace }}
cargo test --release
- name: build & release package
run: |
cd ${{ gitea.workspace }}
cargo build --release
cargo deb
ls -al target/debian
UPLOAD_FILE=$(ls target/debian/*.deb)
curl --user jlusiardi:${{ secrets.UPLOAD_TOKEN }} --upload-file ${UPLOAD_FILE} https://gitea.intern.haus-in-hirschaid.de/api/packages/jlusiardi/debian/pool/bionic/main/upload

11
.idea/el_diabolo.iml generated Normal file
View File

@@ -0,0 +1,11 @@
<?xml version="1.0" encoding="UTF-8"?>
<module type="EMPTY_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
<excludeFolder url="file://$MODULE_DIR$/target" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

287
Cargo.lock generated
View File

@@ -50,46 +50,23 @@ version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
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[[package]]
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[[package]]
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@@ -166,15 +133,9 @@ dependencies = [
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@@ -187,50 +148,34 @@ dependencies = [
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[[package]]
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[[package]]
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[[package]]
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@@ -294,9 +238,9 @@ checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
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@@ -307,9 +251,9 @@ checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
[[package]]
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@@ -371,22 +315,19 @@ dependencies = [
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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[[package]]
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@@ -451,9 +364,9 @@ dependencies = [
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name = "windows_i686_gnu"
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name = "windows_i686_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "windows_i686_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "windows_i686_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
[[package]]
name = "windows_x86_64_gnu"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
[[package]]
name = "windows_x86_64_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
[[package]]
name = "windows_x86_64_msvc"
version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "zerocopy"
version = "0.7.19"

View File

@@ -6,19 +6,8 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
ratatui = "0.28.1"
crossterm = "0.28.1"
ratatui = "0.24.0"
crossterm = "0.27.0"
rand = "0.8.5"
petgraph = "0.6.5"
whoami = "1.5.2"
[package.metadata.deb]
maintainer = "Joachim Lusiardi <joachim@lusiardi.de>"
copyright = "2024, Joachim Lusiardi <joachim@lusiardi.de>"
extended-description = """Little roguelike game"""
depends = "$auto"
section = "game"
priority = "optional"
assets = [
["target/release/el_diabolo", "/usr/bin/", "755"],
]
petgraph = "0.6.4"
whoami = "1.4.1"

View File

@@ -1,10 +0,0 @@
use std::process::Command;
fn main() {
let output = Command::new("git")
.args(["rev-parse", "--short", "HEAD"])
.output()
.unwrap();
let git_hash = String::from_utf8(output.stdout).unwrap();
println!("cargo:rustc-env=GIT_HASH={}", git_hash);
}

View File

@@ -1,103 +0,0 @@
use rand::Rng;
use ratatui::style::Color;
use crate::player::Player;
use crate::position::Position;
pub trait Artifact {
//! An artifact that can be collected by the player
fn get_representation(&self) -> (&str, Color);
/// get the position of the artifact in the level
fn get_immutable_position(&self) -> &Position;
/// call to apply the effects of the artifact to the player
fn collect(&mut self, player: &mut Player, messages: &mut Vec<String>);
/// returns if the artifact was collected and can be removed from the level
fn was_collected(&self) -> bool;
}
pub struct Chest {
/// a chest that contains some gold
position: Position,
gold: usize,
}
impl Chest {
pub fn new(position: Position) -> Self {
let min_gold = 10 * (position.get_level()+1);
let max_gold = min_gold + 10*position.get_level();
Self {
position,
gold: rand::thread_rng().gen_range(min_gold..=max_gold),
}
}
}
impl Artifact for Chest {
fn get_representation(&self) -> (&str, Color) {
("C", Color::Blue)
}
fn get_immutable_position(&self) -> &Position {
&self.position
}
fn collect(&mut self, player: &mut Player, messages: &mut Vec<String>) {
player.retrieve_gold(self.gold);
messages.insert(
0,
format!("opened chest and collected {} gold.", self.gold).to_string(),
);
self.gold = 0;
}
fn was_collected(&self) -> bool {
self.gold == 0
}
}
pub struct Potion {
/// a potion that restores some health
position: Position,
health: usize,
}
impl Potion {
pub fn new(position: Position) -> Self {
let min_health_gain = 5 + position.get_level();
let max_health_gain = min_health_gain + 3 * position.get_level();
Self {
position,
health: rand::thread_rng().gen_range(min_health_gain..=max_health_gain),
}
}
}
impl Artifact for Potion {
fn get_representation(&self) -> (&str, Color) {
("P", Color::Green)
}
fn get_immutable_position(&self) -> &Position {
&self.position
}
fn collect(&mut self, player: &mut Player, messages: &mut Vec<String>) {
// only consume potion of the player can gain at least one health point
if !player.is_healthy() {
let old = player.get_life();
player.change_life(self.health.try_into().unwrap());
let new = player.get_life();
messages.insert(
0,
format!("picked up potion and gained {} health.", new - old).to_string(),
);
self.health = 0;
} else {
messages.insert(
0,
"not using the potion because you're healthy.".to_string(),
);
}
}
fn was_collected(&self) -> bool {
self.health == 0
}
}

View File

@@ -1,251 +1,54 @@
use crate::level::{Level, StructureElement};
use crate::level_generator::LevelGenerator;
use crate::level::{Level, LevelElement};
use crate::player::Player;
use crate::position::{HasPosition, Position};
pub const LEVELS: usize = 10;
#[derive(PartialEq)]
/// represents a state of a game
pub enum GameState {
/// the game is ongoing (neither won or lost)
Running,
/// the player died
Lost,
/// the player reached the Ω
Won,
}
/// the main structure to hold all information about the ongoing game
pub struct Game {
/// the player
player: Player,
/// the levels of the game
levels: Vec<Level>,
pub messages: Vec<String>,
pub player: Player,
pub levels: [Level; 25],
}
impl Game {
pub fn new(p: Player) -> Game {
let mut v: Vec<Level> = Vec::with_capacity(LEVELS);
for d in 0..LEVELS {
v.push(LevelGenerator::generate(d, d == 0, d == LEVELS - 1).render());
}
let mut g = Game {
player: p,
levels: v,
messages: Vec::with_capacity(10),
};
let start = { g.get_level(0).start };
g.get_mutable_player()
.get_position()
.set(0, start.0, start.1);
g.get_mutable_level(0)
.discover(&Position::new(0, start.0, start.1));
g
}
/// returns true if the player is standing on the End element
fn player_reached_goal(&mut self) -> bool {
match self.next_element(0, 0) {
None => {}
Some(a) => {
if a == StructureElement::End {
return true;
}
}
};
false
}
/// returns the state of the game (depending on player's life and position)
pub fn get_game_state(&mut self) -> GameState {
if self.player.is_dead() {
return GameState::Lost;
}
if self.player_reached_goal() {
return GameState::Won;
}
GameState::Running
}
pub fn get_player(&self) -> &Player {
&self.player
}
pub fn get_mutable_player(&mut self) -> &mut Player {
&mut self.player
}
pub fn get_level(&self, level: usize) -> &Level {
&self.levels[level]
}
pub fn get_mutable_level(&mut self, level: usize) -> &mut Level {
&mut self.levels[level]
}
/// check if the player can move in the given direction. This only checks for structure element
/// limitation as walls.
fn can_move(&mut self, dx: i16, dy: i16) -> bool {
let player_pos = &self.player.get_position();
let level = &mut self.levels[player_pos.get_level()];
level.can_player_move(&self.player, dx, dy)
}
/// returns the position (as tuple) of the next level's start point.
fn next_start(&self) -> (usize, usize, usize) {
let level = self.player.get_immutable_position().get_level() + 1;
let (x, y) = self.levels[level].start;
(level, x, y)
}
/// returns the position (as tuple) of the previous level's end point.
fn prev_end(&self) -> (usize, usize, usize) {
let level = self.player.get_immutable_position().get_level() - 1;
let (x, y) = self.levels[level].end;
(level, x, y)
}
/// get the next structure element sen from the player's position into the given direction.
fn next_element(&mut self, dx: i16, dy: i16) -> Option<StructureElement> {
let player_pos = &self.player.get_position();
pub fn move_player(&mut self, dx: i16, dy: i16) {
// check if move is allowed first
let player = &self.player;
let player_pos = player.get_position();
let level = &self.levels[player_pos.get_level()];
let new_x: i16 = player_pos.get_x() as i16 + dx;
let new_y: i16 = player_pos.get_y() as i16 + dy;
let player_level = player_pos.get_level();
let level = &mut self.levels[player_level];
level.get_element(new_x, new_y).0
}
/// move the game's player into the given direction. If on the target field there is a stair,
/// the player follows the stair up/down to the next level.
/// Discovery is performed on the new location of the player.
/// The returned value is the direction that will bring the player back to his original field.
pub fn move_player(&mut self, mut dx: i16, mut dy: i16) -> (i16, i16) {
// verify the player can do the move
if !self.can_move(dx, dy) {
return (-dx, -dy);
}
let player_pos = &self.player.get_position();
let mut player_level = player_pos.get_level();
let structure = self.next_element(dx, dy);
// use stairs if walked onto one
if let Some(e) = structure {
match e {
StructureElement::StairDown => {
(dx, dy) = (0, 0);
let (next_level, x, y) = self.next_start();
player_level = next_level;
self.messages
.insert(0, format!("you climb down to level {}.", next_level));
self.get_mutable_player()
.get_position()
.set(next_level, x, y);
let can_go: bool = match level.get_element(new_x, new_y) {
None => { false }
Some(t) => {
match t {
LevelElement::Wall => { false }
_ => { true }
}
StructureElement::StairUp => {
(dx, dy) = (0, 0);
let (next_level, x, y) = self.prev_end();
player_level = next_level;
self.messages
.insert(0, format!("you climb up to level {}.", next_level));
self.get_mutable_player()
.get_position()
.set(next_level, x, y);
}
_ => {}
}
};
// update position and discover area on new position
let (new_x, new_y) = self.get_mutable_player().get_position().change(dx, dy);
self.get_mutable_level(player_level)
.discover(&Position::new(player_level, new_x, new_y));
(-dx, -dy)
}
pub fn player_fights_monster(&mut self) -> bool {
let player_pos = &self.player.get_immutable_position();
let player_level = player_pos.get_level();
let level = &mut self.levels[player_level];
let (_, m, _) = level.get_element(player_pos.get_x() as i16, player_pos.get_y() as i16);
match m {
None => {}
Some(m) => {
let player_dmg = self.player.damage();
m.decrease_life(player_dmg);
if m.is_dead() {
self.player.gain_experience(m.get_experience_gain());
self.messages.insert(
0,
format!(
"you hit {} for {} damage and kill it.",
m.get_name(),
player_dmg
)
.to_string(),
);
} else {
self.messages.insert(
0,
format!("you hit {} for {} damage.", m.get_name(), player_dmg).to_string(),
);
let monster_dmg = m.damage() as i16;
self.player.change_life(-monster_dmg);
self.messages.insert(
0,
format!("{} hits you for {} damage.", m.get_name(), monster_dmg)
.to_string(),
if can_go {
match level.get_element(new_x, new_y).unwrap() {
LevelElement::StairDown => {
let next_level = player_pos.get_level() + 1;
let start_x: usize = self.levels[next_level].start_x;
let start_y: usize = self.levels[next_level].start_y;
self.player.set_position(next_level, start_x, start_y);
self.levels[next_level].discover(self.player.get_position());
}
LevelElement::StairUp => {
self.player.set_position(
player_pos.get_level() - 1,
self.levels[player_pos.get_level() - 1].end_x,
self.levels[player_pos.get_level() - 1].end_y,
);
}
return m.is_dead();
}
};
true
}
pub fn player_collects_artifact(&mut self) {
let player_pos = &self.player.get_immutable_position();
let player_level = player_pos.get_level();
let level = &mut self.levels[player_level];
let (_, _, a) = level.get_element(player_pos.get_x() as i16, player_pos.get_y() as i16);
match a {
None => {}
Some(a) => {
a.collect(&mut self.player, &mut self.messages);
}
LevelElement::Chest {gold} => {
self.player.add_gold(gold);
self.player.change_position(dx, dy);
self.levels[player_pos.get_level()].discover(self.player.get_position());
}
_ => {
self.player.change_position(dx, dy);
self.levels[player_pos.get_level()].discover(self.player.get_position());
}
};
}
}
/// updates the player's current level. This will remove collected artifacts and dead monsters.
pub fn update_level(&mut self, ticks: u128) {
let player_pos = &self.player.get_immutable_position();
let player_level = player_pos.get_level();
let level = &mut self.levels[player_level];
level.update(ticks, &mut self.player, &mut self.messages);
}
}
#[test]
fn game_has_correct_number_of_levels() {
let p = Player::new("foo", 42);
let g = Game::new(p);
assert_eq!(g.levels.len(), LEVELS);
}
#[test]
fn game_has_player() {
let p = Player::new("foo", 42);
let g = Game::new(p);
assert_eq!(g.get_player().get_name(), "foo");
assert_eq!(g.get_player().get_immutable_position().get_level(), 0);
}
#[test]
fn game_has_mutable_player() {
let p = Player::new("foo", 42);
let mut g = Game::new(p);
assert_eq!(g.get_player().get_name(), "foo");
g.get_mutable_player().change_life(-1);
assert_eq!(g.get_player().get_life(), 41);
}
#[test]
fn game_get_level() {
let p = Player::new("foo", 42);
let mut g = Game::new(p);
g.get_level(0);
assert_ne!(g.get_level(0).start, (0, 0));
g.get_mutable_level(0).discover(&Position::new(0, 1, 1));
}
}

View File

@@ -1,395 +1,109 @@
use std::cmp::{max, min};
use rand::rngs::ThreadRng;
use rand::Rng;
use crate::artifacts::Artifact;
#[cfg(test)]
use crate::artifacts::{Chest, Potion};
use crate::monster::Monster;
#[cfg(test)]
use crate::monster::{Orc, Rat};
use crate::player::Player;
use crate::position::HasPosition;
use crate::position::Position;
pub const LEVEL_WIDTH: usize = 50;
pub const LEVEL_HEIGHT: usize = 25;
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum StructureElement {
Start,
End,
pub enum LevelElement {
Wall,
Floor,
StairDown,
StairUp,
Start,
End,
Chest { gold: usize },
Unknown,
}
type PossibleArtifact<'a> = Option<&'a mut Box<(dyn Artifact + 'static)>>;
type PossibleMonster<'a> = Option<&'a mut Box<(dyn Monster + 'static)>>;
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum RoomType {
Start,
End,
StairUp,
StairDown,
BasicRoom,
TreasureRoom,
EmptyRoom,
}
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct Level {
pub(crate) level: usize,
pub(crate) structure: [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
pub(crate) structure: [[LevelElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
pub(crate) discovered: [[bool; LEVEL_HEIGHT]; LEVEL_WIDTH],
pub(crate) monsters: Vec<Box<dyn Monster>>,
pub(crate) artifacts: Vec<Box<dyn Artifact>>,
/// the position of the start in the level (either stair up or start point)
pub(crate) start: (usize, usize),
/// the position of the end in the level (either stair down or end point)
pub(crate) end: (usize, usize),
pub(crate) rng: ThreadRng,
pub(crate) start_x: usize,
pub(crate) start_y: usize,
pub(crate) end_x: usize,
pub(crate) end_y: usize,
}
impl Level {
pub fn get_element(
&mut self,
x: i16,
y: i16,
) -> (Option<StructureElement>, PossibleMonster, PossibleArtifact) {
pub fn new() -> Level {
let s = [[LevelElement::Wall; LEVEL_HEIGHT]; LEVEL_WIDTH];
Level {
structure: s,
discovered: [[false; LEVEL_HEIGHT]; LEVEL_WIDTH],
start_x: 1,
start_y: 1,
end_x: 1,
end_y: 1,
}
}
pub fn get_element(&self, x: i16, y: i16) -> Option<LevelElement> {
if x < 0 || y < 0 {
return (None, None, None);
return None;
}
let x = x as usize;
let y = y as usize;
if x >= LEVEL_WIDTH || y >= LEVEL_HEIGHT {
return (None, None, None);
return None;
}
if !self.discovered[x][y] {
return (Some(StructureElement::Unknown), None, None);
if self.discovered[x][y] {
return Some(self.structure[x][y]);
}
let search_pos = &Position::new(self.level, x, y);
let mut res_m: Option<&mut Box<dyn Monster>> = None;
for m in &mut self.monsters {
if m.get_immutable_position() == search_pos {
res_m = Some(m);
}
}
let mut res_a: Option<&mut Box<dyn Artifact>> = None;
for a in &mut self.artifacts {
if a.get_immutable_position() == search_pos {
res_a = Some(a);
}
}
(Some(self.structure[x][y]), res_m, res_a)
return Some(LevelElement::Unknown);
}
/// discover the area with in the level around the given position
pub fn discover(&mut self, pos: &Position) {
pub fn discover(&mut self, pos: Position) {
let x = pos.get_x();
let y = pos.get_y();
// uncover fields directly next to the player
for x_r in max(x - 1, 0)..=min(x + 1, LEVEL_WIDTH - 1) {
for y_r in max(y - 1, 0)..=min(y + 1, LEVEL_HEIGHT - 1) {
self.discovered[x_r][y_r] = true;
}
}
// uncover fields up to 2 fields right of the player
for x_r in x..=min(x + 2, LEVEL_WIDTH - 1) {
self.discovered[x_r][y] = true;
if self.structure[x_r][y] == StructureElement::Wall {
if self.structure[x_r][y] == LevelElement::Wall {
break;
}
}
// uncover fields up to 2 fields below of the player
for y_r in y..=min(y + 2, LEVEL_HEIGHT - 1) {
self.discovered[x][y_r] = true;
if self.structure[x][y_r] == StructureElement::Wall {
if self.structure[x][y_r] == LevelElement::Wall {
break;
}
}
// uncover fields up to 2 fields left of the player
for x_r in (max(x, 2)..x + 2).rev() {
self.discovered[x_r - 2][y] = true;
if self.structure[x_r - 2][y] == StructureElement::Wall {
if self.structure[x_r - 2][y] == LevelElement::Wall {
break;
}
}
// uncover fields up to 2 fields above of the player
for y_r in (max(y, 2)..y + 2).rev() {
self.discovered[x][y_r - 2] = true;
if self.structure[x][y_r - 2] == StructureElement::Wall {
if self.structure[x][y_r - 2] == LevelElement::Wall {
break;
}
}
}
pub fn update(&mut self, ticks: u128, player: &mut Player, messages: &mut Vec<String>) {
for (index, a) in &mut self.artifacts.iter().enumerate() {
if a.was_collected() {
self.artifacts.remove(index);
break;
}
}
for index in 0..self.monsters.len() {
if self.monsters[index].is_dead() {
continue;
}
if ticks % self.monsters[index].get_ticks_between_steps() != 0 {
continue;
}
loop {
// calculate the direction the monster will try to walk
let (dx, dy) = match self.rng.gen_range(0..5) {
1 => (1, 0),
2 => (-1, 0),
3 => (0, 1),
4 => (0, -1),
_ => (0, 0),
};
if self.can_monster_move(self.monsters[index].as_ref(), dx, dy) {
let (new_x, new_y) = self.monsters[index].get_position().change(dx, dy);
if player.get_immutable_position().get_x() == new_x
&& player.get_immutable_position().get_y() == new_y
{
let monster_dmg = self.monsters[index].damage() as i16;
player.change_life(-monster_dmg);
messages.insert(
0,
format!(
"{} hits you for {} damage.",
self.monsters[index].get_name(),
monster_dmg
)
.to_string(),
);
let player_dmg = player.damage();
self.monsters[index].decrease_life(player_dmg);
// if the attack did not kill the opponent, back down
if !player.is_dead() {
messages.insert(
0,
format!(
"you hit {} for {} damage and kill it.",
self.monsters[index].get_name(),
player_dmg
)
.to_string(),
);
self.monsters[index].get_position().change(-dx, -dy);
} else {
messages.insert(
0,
format!(
"you hit {} for {} damage.",
self.monsters[index].get_name(),
player_dmg
)
.to_string(),
);
}
}
break;
}
}
}
for (index, m) in &mut self.monsters.iter().enumerate() {
if m.is_dead() {
self.monsters.remove(index);
break;
}
}
}
pub fn can_monster_move(&self, agent: &dyn Monster, dx: i16, dy: i16) -> bool {
let agent_pos = agent.get_immutable_position();
let new_x: usize = (agent_pos.get_x() as i16 + dx) as usize;
let new_y: usize = (agent_pos.get_y() as i16 + dy) as usize;
// verify we cannot leave the playing field
if new_x >= LEVEL_WIDTH || new_y >= LEVEL_HEIGHT {
return false;
}
for index in 0..self.monsters.len() {
let pos = self.monsters[index].get_immutable_position();
if pos.get_x() == new_x && pos.get_y() == new_y {
return false;
}
}
self.structure[new_x][new_y] != StructureElement::Wall
}
pub fn can_player_move(&self, agent: &Player, dx: i16, dy: i16) -> bool {
let agent_pos = agent.get_immutable_position();
let new_x: usize = (agent_pos.get_x() as i16 + dx) as usize;
let new_y: usize = (agent_pos.get_y() as i16 + dy) as usize;
// verify we cannot leave the playing field
if new_x >= LEVEL_WIDTH || new_y >= LEVEL_HEIGHT {
return false;
}
self.structure[new_x][new_y] != StructureElement::Wall
}
#[cfg(test)]
pub fn new(level: usize) -> Level {
let mut s = [[StructureElement::Wall; LEVEL_HEIGHT]; LEVEL_WIDTH];
for x in 2..LEVEL_WIDTH - 2 {
for y in 2..LEVEL_HEIGHT - 2 {
s[x][y] = StructureElement::Floor;
}
}
Level {
level,
structure: s,
discovered: [[false; LEVEL_HEIGHT]; LEVEL_WIDTH],
monsters: Vec::with_capacity(10),
artifacts: Vec::with_capacity(10),
start: (0, 0),
end: (0, 0),
rng: rand::thread_rng(),
}
}
#[cfg(test)]
pub fn add_monster(&mut self, mut monster: impl Monster + 'static) -> Result<(), String> {
if self.level != monster.get_position().get_level() {
return Err("Wrong Level".to_string());
}
for m in &mut self.monsters {
if m.get_position() == monster.get_position() {
return Err("Position already used".to_string());
}
}
self.monsters.push(Box::new(monster));
Ok(())
}
#[cfg(test)]
pub fn add_artifact(&mut self, artifact: impl Artifact + 'static) -> Result<(), String> {
if self.level != artifact.get_immutable_position().get_level() {
return Err("Wrong Level".to_string());
}
for a in &mut self.artifacts {
if a.get_immutable_position() == artifact.get_immutable_position() {
return Err("Position already used".to_string());
}
}
self.artifacts.push(Box::new(artifact));
Ok(())
}
}
#[test]
fn test_get_element() {
let mut l = Level::new(0);
assert_eq!(l.get_element(-1, -1).0, None);
assert_eq!(l.get_element(0, 0).0.unwrap(), StructureElement::Unknown);
assert_eq!(
l.get_element(LEVEL_WIDTH as i16 - 1, LEVEL_HEIGHT as i16 - 1)
.0
.unwrap(),
StructureElement::Unknown
);
assert_eq!(
l.get_element(LEVEL_WIDTH as i16, LEVEL_HEIGHT as i16).0,
None
);
}
#[test]
fn test_discover_get_element() {
let mut l = Level::new(0);
assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Unknown);
let p = Position::new(0, 10, 10);
l.discover(&p);
assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
assert_eq!(l.get_element(9, 10).0.unwrap(), StructureElement::Floor);
assert_eq!(l.get_element(10, 9).0.unwrap(), StructureElement::Floor);
assert_eq!(l.get_element(11, 10).0.unwrap(), StructureElement::Floor);
assert_eq!(l.get_element(10, 11).0.unwrap(), StructureElement::Floor);
}
#[test]
fn test_discover_can_add_monster() {
let mut l = Level::new(0);
let m = Rat::new_with_position(Position::new(1, 2, 3));
assert_eq!(l.add_monster(m), Err("Wrong Level".to_string()));
let mut m = Orc::new_with_position(Position::new(0, 2, 3));
m.get_position().set(0, 2, 3);
assert_eq!(l.add_monster(m), Ok(()));
let m = Rat::new_with_position(Position::new(0, 2, 3));
assert_eq!(l.add_monster(m), Err("Position already used".to_string()));
let m = Rat::new_with_position(Position::new(0, 2, 4));
assert_eq!(l.add_monster(m), Ok(()));
}
#[test]
fn test_discover_can_add_artifact() {
let mut l = Level::new(0);
let a = Chest::new(Position::new(1, 2, 3));
assert_eq!(l.add_artifact(a), Err("Wrong Level".to_string()));
let a = Chest::new(Position::new(0, 2, 3));
assert_eq!(l.add_artifact(a), Ok(()));
let a = Potion::new(Position::new(0, 2, 3));
assert_eq!(l.add_artifact(a), Err("Position already used".to_string()));
let a = Chest::new(Position::new(0, 1, 3));
assert_eq!(l.add_artifact(a), Ok(()));
}
#[test]
fn test_discover_get_monster() {
let mut l = Level::new(0);
let p = Position::new(0, 10, 10);
l.discover(&p);
assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
assert!(l.get_element(10, 10).1.is_none());
let m = Rat::new_with_position(Position::new(0, 10, 10));
assert_eq!(l.add_monster(m), Ok(()));
let elem = l.get_element(10, 10);
assert_eq!(elem.0.unwrap(), StructureElement::Floor);
assert!(elem.1.is_some());
let m = elem.1.unwrap();
assert_eq!(m.get_life(), 2);
m.decrease_life(2);
assert_eq!(l.get_element(10, 10).1.unwrap().get_life(), 0);
}
#[test]
fn test_discover_get_artifact() {
let mut l = Level::new(0);
let p = Position::new(0, 10, 10);
l.discover(&p);
assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
assert!(l.get_element(10, 10).2.is_none());
let a = Chest::new(Position::new(0, 10, 10));
assert_eq!(l.add_artifact(a), Ok(()));
let elem = l.get_element(10, 10);
assert_eq!(elem.0.unwrap(), StructureElement::Floor);
assert!(elem.2.is_some());
}
#[test]
fn test_discover_get_monster_can_move() {
let mut l = Level::new(0);
let p = Position::new(0, 10, 10);
l.discover(&p);
let m = Rat::new_with_position(Position::new(0, 10, 10));
l.add_monster(m).expect("Panic because of");
let m = l.get_element(10, 10).1.unwrap();
m.get_position().change(1, 1);
let m = l.get_element(10, 10).1;
assert!(m.is_none());
let m = l.get_element(11, 11).1;
assert!(m.is_some());
assert_eq!(m.unwrap().get_life(), 2);
let l = Level::new();
assert_eq!(l.get_element(0, 0).unwrap(), LevelElement::Wall);
assert_eq!(l.get_element(4, 4).unwrap(), LevelElement::StairDown);
assert_eq!(l.get_element(49, 24).unwrap(), LevelElement::Wall);
assert_eq!(l.get_element(50, 25), None);
}

View File

@@ -6,39 +6,23 @@ use petgraph::data::*;
use petgraph::graph::Graph;
use petgraph::graph::UnGraph;
use rand::prelude::SliceRandom;
use rand::rngs::ThreadRng;
use rand::Rng;
use rand::rngs::ThreadRng;
use crate::artifacts::{Artifact, Chest, Potion};
use crate::level::{Level, StructureElement};
use crate::monster::{Monster, Orc, Rat, Snake};
use crate::position::Position;
use crate::level::{Level, LevelElement, RoomType};
const ROOMS_VERTICAL: usize = 7;
const ROOMS_HORIZONTAL: usize = 4;
const ROOM_WIDTH: usize = 7;
const ROOM_HEIGHT: usize = 6;
#[derive(PartialEq, Copy, Clone)]
enum RoomType {
Start,
End,
StairUp,
StairDown,
BasicRoom,
TreasureRoom,
MonsterRoom,
EmptyRoom,
}
#[derive(Copy, Clone)]
#[derive(Copy, Clone, Debug, PartialEq)]
struct ConnectionInfo {
offset: usize,
distance: usize,
}
#[derive(Copy, Clone)]
#[derive(Copy, Clone, Debug, PartialEq)]
struct Room {
pub kind: RoomType,
pub offset_x: usize,
@@ -47,6 +31,7 @@ struct Room {
pub height: usize,
pub connection_down: Option<ConnectionInfo>,
pub connection_right: Option<ConnectionInfo>,
// pub connected: bool,
}
impl Room {
@@ -78,13 +63,13 @@ impl Room {
}
}
#[derive(Debug)]
pub struct LevelGenerator {
rooms: [[Room; ROOMS_HORIZONTAL]; ROOMS_VERTICAL],
level: usize,
}
impl LevelGenerator {
pub fn generate(level: usize, first: bool, last: bool) -> Self {
pub fn generate(level: usize) -> Self {
let mut rng = rand::thread_rng();
let mut rooms = [[Room::new(); ROOMS_HORIZONTAL]; ROOMS_VERTICAL];
let mut graph = UnGraph::<(usize, usize), u16>::default();
@@ -93,41 +78,37 @@ impl LevelGenerator {
rooms[0][0].kind = RoomType::BasicRoom;
while !LevelGenerator::rooms_connectable(&rooms) {
let mut room_types: Vec<RoomType> =
Vec::with_capacity(ROOMS_HORIZONTAL * ROOMS_VERTICAL);
let mut room_types: Vec<RoomType> = Vec::with_capacity(ROOMS_HORIZONTAL * ROOMS_VERTICAL);
// level 0 contains a start room, all others contain a stair up
if first {
if level == 0 {
room_types.push(RoomType::Start);
} else {
room_types.push(RoomType::StairUp);
}
// level 24 (the last) contains an end room, all others a stair down
if last {
if level == 24 {
room_types.push(RoomType::End);
} else {
room_types.push(RoomType::StairDown);
}
room_types.push(RoomType::MonsterRoom);
room_types.push(RoomType::TreasureRoom);
// generate a random set of rooms and shuffle them
for _ in room_types.len()..ROOMS_HORIZONTAL * ROOMS_VERTICAL {
match rng.gen_range(1..=100) {
match rng.gen_range(1..=6) {
// TODO tune room type distribution
1..=33 => room_types.push(RoomType::EmptyRoom),
34..=66 => room_types.push(RoomType::TreasureRoom),
67..=90 => room_types.push(RoomType::MonsterRoom),
_ => room_types.push(RoomType::BasicRoom),
1..=3 => { room_types.push(RoomType::EmptyRoom) }
_ => { room_types.push(RoomType::BasicRoom) }
}
}
room_types.shuffle(&mut rng);
graph.clear();
// place the rooms in the array an add nodes to the graph for every non empty room
for (c, rs) in rooms.iter_mut().enumerate().take(ROOMS_VERTICAL) {
for (r, room) in rs.iter_mut().enumerate().take(ROOMS_HORIZONTAL) {
room.kind = room_types.pop().unwrap();
if room.kind != RoomType::EmptyRoom {
room.random(&mut rng);
for c in 0..ROOMS_VERTICAL {
for r in 0..ROOMS_HORIZONTAL {
rooms[c][r].kind = room_types.pop().unwrap();
if rooms[c][r].kind != RoomType::EmptyRoom {
rooms[c][r].random(&mut rng);
graph.add_node((c, r));
}
}
@@ -143,21 +124,15 @@ impl LevelGenerator {
let src_index = graph.node_indices().find(|i| graph[*i] == (c, r)).unwrap();
for r_1 in r + 1..ROOMS_HORIZONTAL {
if rooms[c][r_1].kind != RoomType::EmptyRoom {
let tgt_index = graph
.node_indices()
.find(|i| graph[*i] == (c, r_1))
.unwrap();
let tgt_index = graph.node_indices().find(|i| graph[*i] == (c, r_1)).unwrap();
// todo use random weight for edge
graph.add_edge(src_index, tgt_index, 1);
break;
}
}
for (c_1, rs) in rooms.iter().enumerate().take(ROOMS_VERTICAL).skip(c + 1) {
if rs[r].kind != RoomType::EmptyRoom {
let tgt_index = graph
.node_indices()
.find(|i| graph[*i] == (c_1, r))
.unwrap();
for c_1 in c + 1..ROOMS_VERTICAL {
if rooms[c_1][r].kind != RoomType::EmptyRoom {
let tgt_index = graph.node_indices().find(|i| graph[*i] == (c_1, r)).unwrap();
// todo use random weight for edge
graph.add_edge(src_index, tgt_index, 1);
break;
@@ -167,8 +142,7 @@ impl LevelGenerator {
}
// calculate a minimum spanning tree
let mst: Graph<(usize, usize), u16, petgraph::Undirected> =
Graph::from_elements(min_spanning_tree(&graph));
let mst: Graph<(usize, usize), u16, petgraph::Undirected> = Graph::from_elements(min_spanning_tree(&graph));
for edge in mst.raw_edges() {
let src = mst[edge.source()];
let tgt = mst[edge.target()];
@@ -178,31 +152,24 @@ impl LevelGenerator {
// cols are the same, either up or down
if src.0 == tgt.0 {
let range =
LevelGenerator::range_overlap(src_room.get_x_range(), tgt_room.get_x_range());
let position: usize = if range.is_empty() {
range.start
let range = LevelGenerator::range_overlap(src_room.get_x_range(), tgt_room.get_x_range());
let position: usize;
if range.is_empty() {
position = range.start;
} else {
rng.gen_range(range)
};
position = rng.gen_range(range);
}
if src.1 < tgt.1 {
// src to tgt
rooms[src.0][src.1].connection_down = Some(ConnectionInfo {
offset: position,
distance: tgt.1 - src.1,
});
rooms[src.0][src.1].connection_down = Some(ConnectionInfo { offset: position, distance: tgt.1 - src.1 });
} else {
// tgt to src
tgt_room.connection_down = Some(ConnectionInfo {
offset: position,
distance: src.1 - tgt.1,
});
tgt_room.connection_down = Some(ConnectionInfo { offset: position, distance: src.1 - tgt.1 });
}
}
// rows are the same, either left or right
if src.1 == tgt.1 {
let range =
LevelGenerator::range_overlap(src_room.get_y_range(), tgt_room.get_y_range());
let range = LevelGenerator::range_overlap(src_room.get_y_range(), tgt_room.get_y_range());
let mut position: usize;
if range.is_empty() {
position = range.start;
@@ -214,21 +181,17 @@ impl LevelGenerator {
}
if src.0 < tgt.0 {
// src to tgt
rooms[src.0][src.1].connection_right = Some(ConnectionInfo {
offset: position,
distance: tgt.0 - src.0,
});
rooms[src.0][src.1].connection_right = Some(ConnectionInfo { offset: position, distance: tgt.0 - src.0 });
} else {
// tgt to src
tgt_room.connection_right = Some(ConnectionInfo {
offset: position,
distance: src.1 - tgt.1,
});
tgt_room.connection_right = Some(ConnectionInfo { offset: position, distance: src.1 - tgt.1 });
}
}
}
LevelGenerator { rooms, level }
LevelGenerator {
rooms
}
}
fn range_overlap(r1: Range<usize>, r2: Range<usize>) -> Range<usize> {
@@ -242,8 +205,8 @@ impl LevelGenerator {
for r in 0..ROOMS_HORIZONTAL {
if rooms[c][r].kind != RoomType::EmptyRoom {
let mut connected = 0;
for room in rooms.iter().take(ROOMS_VERTICAL) {
if room[r].kind != RoomType::EmptyRoom {
for c1 in 0..ROOMS_VERTICAL {
if rooms[c1][r].kind != RoomType::EmptyRoom {
connected += 1;
}
}
@@ -258,14 +221,11 @@ impl LevelGenerator {
}
}
}
true
return true;
}
pub fn render(&self) -> Level {
let mut rng = rand::thread_rng();
let mut structure = [[StructureElement::Wall; 1 + ROOMS_HORIZONTAL * ROOM_HEIGHT];
1 + ROOMS_VERTICAL * ROOM_WIDTH];
let mut artifacts: Vec<Box<dyn Artifact>> = Vec::with_capacity(10);
let mut enemies: Vec<Box<dyn Monster>> = Vec::with_capacity(10);
let mut s = [[LevelElement::Wall; 1 + ROOMS_HORIZONTAL * ROOM_HEIGHT]; 1 + ROOMS_VERTICAL * ROOM_WIDTH];
let mut start_x: usize = 0;
let mut start_y: usize = 0;
let mut end_x: usize = 0;
@@ -277,68 +237,33 @@ impl LevelGenerator {
let room = self.rooms[c][r];
for x in 0..room.width {
for y in 0..room.height {
structure[left + room.offset_x + x][top + room.offset_y + y] =
StructureElement::Floor;
s[left + room.offset_x + x][top + room.offset_y + y] = LevelElement::Floor;
}
}
if room.kind == RoomType::TreasureRoom {
let t_x = left + room.offset_x + rng.gen_range(0..room.width);
let t_y = top + room.offset_y + rng.gen_range(0..room.height);
// TODO randomize artifacts
match rng.gen_range(1..=100) {
1..=50 => {
artifacts
.push(Box::new(Chest::new(Position::new(self.level, t_x, t_y))));
}
_ => {
artifacts
.push(Box::new(Potion::new(Position::new(self.level, t_x, t_y))));
}
};
s[t_x][t_y] = LevelElement::Chest{gold: rng.gen_range(2..100)};
}
if room.kind == RoomType::MonsterRoom {
let t_x = left + room.offset_x + rng.gen_range(0..room.width);
let t_y = top + room.offset_y + rng.gen_range(0..room.height);
// TODO randomize enemies here
match rng.gen_range(1..=100) {
1..=30 => {
enemies.push(Box::new(Orc::new_with_position(Position::new(
self.level, t_x, t_y,
))));
}
31..=60 => {
enemies.push(Box::new(Snake::new_with_position(Position::new(
self.level, t_x, t_y,
))));
}
_ => {
enemies.push(Box::new(Rat::new_with_position(Position::new(
self.level, t_x, t_y,
))));
}
};
}
if room.kind == RoomType::End || room.kind == RoomType::StairDown {
if room.kind == RoomType::StairDown {
end_x = left + room.offset_x + rng.gen_range(0..room.width);
end_y = top + room.offset_y + rng.gen_range(0..room.height);
}
if room.kind == RoomType::StairDown {
structure[end_x][end_y] = StructureElement::StairDown;
s[end_x][end_y] = LevelElement::StairDown;
}
if room.kind == RoomType::End {
structure[end_x][end_y] = StructureElement::End;
s[end_x][end_y] = LevelElement::End;
}
if room.kind == RoomType::Start || room.kind == RoomType::StairUp {
start_x = left + room.offset_x + rng.gen_range(0..room.width);
start_y = top + room.offset_y + rng.gen_range(0..room.height);
}
if room.kind == RoomType::StairUp {
structure[start_x][start_y] = StructureElement::StairUp;
s[start_x][start_y] = LevelElement::StairUp;
}
if room.kind == RoomType::Start {
structure[start_x][start_y] = StructureElement::Start;
s[start_x][start_y] = LevelElement::Start;
}
}
}
@@ -350,13 +275,10 @@ impl LevelGenerator {
let tgt_room = self.rooms[c][r + x_conn.distance];
let top = 1 + r * ROOM_HEIGHT + src_room.offset_y;
let left = 1 + c * ROOM_WIDTH + x_conn.offset;
let bottom = 1
+ (r + x_conn.distance) * ROOM_HEIGHT
+ tgt_room.offset_y
+ tgt_room.height;
let bottom = 1 + (r + x_conn.distance) * ROOM_HEIGHT + tgt_room.offset_y + tgt_room.height;
for i in top..bottom {
if structure[left][i] == StructureElement::Wall {
structure[left][i] = StructureElement::Floor;
if s[left][i] == LevelElement::Wall {
s[left][i] = LevelElement::Floor;
}
}
}
@@ -365,37 +287,29 @@ impl LevelGenerator {
let top = 1 + r * ROOM_HEIGHT + src_room.offset_y + y_conn.offset - 1;
let left = 1 + c * ROOM_WIDTH + src_room.offset_x;
let right =
1 + (c + y_conn.distance) * ROOM_WIDTH + tgt_room.offset_x + tgt_room.width;
for room in structure.iter_mut().take(right).skip(left) {
if room[top] == StructureElement::Wall {
room[top] = StructureElement::Floor;
let right = 1 + (c + y_conn.distance) * ROOM_WIDTH + tgt_room.offset_x + tgt_room.width;
for i in left..right {
if s[i][top] == LevelElement::Wall {
s[i][top] = LevelElement::Floor;
}
}
}
}
}
Level {
level: self.level,
structure,
discovered: [[false; 1 + ROOMS_HORIZONTAL * ROOM_HEIGHT];
1 + ROOMS_VERTICAL * ROOM_WIDTH],
monsters: enemies,
artifacts,
start: (start_x, start_y),
end: (end_x, end_y),
rng: rand::thread_rng(),
structure: s,
discovered: [[false; 1 + ROOMS_HORIZONTAL * ROOM_HEIGHT]; 1 + ROOMS_VERTICAL * ROOM_WIDTH],
start_x,
start_y,
end_x,
end_y,
}
}
}
#[test]
fn test_level_gen() {
let level = LevelGenerator::generate(23, false, false).render();
assert_eq!(level.level, 23);
assert_ne!(level.start, (0, 0));
assert_ne!(level.end, (0, 0));
assert_ne!(level.start, level.end);
assert_ne!(level.monsters.len(), 0);
assert_ne!(level.artifacts.len(), 0);
}
let level = LevelGenerator::generate(0);
println!("{:?}", level);
assert_eq!(1, 2);
}

View File

@@ -1,90 +1,169 @@
use ratatui::buffer::Buffer;
use ratatui::layout::Rect;
use ratatui::style::Color;
use ratatui::widgets::{StatefulWidget, Widget};
use ratatui::prelude::*;
use ratatui::widgets::Widget;
use crate::game::Game;
use crate::level::StructureElement;
use crate::position::HasPosition;
use crate::level::{Level, LevelElement};
const FG_BROWN: Color = Color::Rgb(186, 74, 0);
pub struct LevelWidget {}
pub struct LevelWidget<'a> {
pub game: &'a Game,
}
impl LevelWidget {
impl<'a> LevelWidget<'a> {
fn set_cell(&self, buf: &mut Buffer, x: u16, y: u16, symbol: &str, fg: Color, bg: Color) {
buf[(x, y)].set_symbol(symbol).set_bg(bg).set_fg(fg);
buf.
get_mut(x, y).
set_symbol(symbol).
set_bg(bg).
set_fg(fg);
}
fn calculate_wall(top: Option<LevelElement>, right: Option<LevelElement>, bottom: Option<LevelElement>, left: Option<LevelElement>) -> String {
let mut val = 0;
val += match top {
Some(n) => {
match n {
LevelElement::Wall => 1,
_ => 0
}
}
None => 0
};
val += match right {
Some(n) => {
match n {
LevelElement::Wall => 2,
_ => 0
}
}
None => 0
};
val += match bottom {
Some(n) => {
match n {
LevelElement::Wall => 4,
_ => 0
}
}
None => 0
};
val += match left {
Some(n) => {
match n {
LevelElement::Wall => 8,
_ => 0
}
}
None => 0
};
[
"", "", "", "",
"", "", "", "",
"", "", "", "",
"", "", "", "",
][val].to_string()
}
}
impl StatefulWidget for LevelWidget {
type State = Game;
impl<'a> Widget for LevelWidget<'a> {
fn render(self, area: Rect, buf: &mut Buffer) {
let player = &self.game.player;
let player_pos = player.get_position();
let level: &Level = &self.game.levels[player_pos.get_level()];
fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
let al: u16 = area.left();
let at: u16 = area.top();
{
let player = state.get_mutable_player();
let player_pos = player.get_immutable_position();
let player_level = player_pos.get_level();
// draw the level elements
for x in al..area.right() {
for y in at..area.bottom() {
let level = state.get_mutable_level(player_level);
let level_x = (x - al) as i16;
let level_y = (y - at) as i16;
match level.get_element(level_x, level_y) {
(Some(structure_element), None, None) => {
match structure_element {
StructureElement::Start => {
self.set_cell(buf, x, y, "α", Color::Black, Color::Gray);
}
StructureElement::End => {
self.set_cell(buf, x, y, "Ω", Color::Black, Color::Gray);
}
StructureElement::Wall => {
// TODO add fancy walls with https://en.wikipedia.org/wiki/Box-drawing_characters
self.set_cell(buf, x, y, "#", FG_BROWN, Color::Gray);
}
StructureElement::Floor => {
self.set_cell(buf, x, y, " ", FG_BROWN, Color::Gray);
}
StructureElement::StairDown => {
self.set_cell(buf, x, y, ">", Color::Black, Color::Gray);
}
StructureElement::StairUp => {
self.set_cell(buf, x, y, "<", Color::Black, Color::Gray);
}
StructureElement::Unknown => {
self.set_cell(buf, x, y, "", Color::DarkGray, Color::Gray);
}
// draw the level elements
for x in al..area.right() {
for y in at..area.bottom() {
let level_x = (x - al) as i16;
let level_y = (y - at) as i16;
match level.get_element(level_x, level_y) {
None => {}
Some(e) => {
match e {
LevelElement::Wall => {
let top = level.get_element(level_x, level_y - 1);
let right = level.get_element(level_x + 1, level_y);
let bottom = level.get_element(level_x, level_y + 1);
let left = level.get_element(level_x - 1, level_y);
let symbol = LevelWidget::calculate_wall(top, right, bottom, left);
self.set_cell(buf, x, y, symbol.as_str(), FG_BROWN, Color::Gray);
}
LevelElement::Floor => {
self.set_cell(buf, x, y, " ", FG_BROWN, Color::Gray);
}
LevelElement::StairDown => {
self.set_cell(buf, x, y, ">", Color::Black, Color::Gray);
}
LevelElement::StairUp => {
self.set_cell(buf, x, y, "<", Color::Black, Color::Gray);
}
LevelElement::Unknown => {
self.set_cell(buf, x, y, "", Color::DarkGray, Color::Gray);
}
LevelElement::Chest{gold} => {
self.set_cell(buf, x, y, "", Color::Black, Color::Gray);
}
LevelElement::Start => {
self.set_cell(buf, x, y, "α", Color::Black, Color::Gray);
}
LevelElement::End => {
self.set_cell(buf, x, y, "Ω", Color::Black, Color::Gray);
}
}
(_, Some(m), _) => {
let (s, c) = m.get_representation();
self.set_cell(buf, x, y, s, c, Color::Gray);
}
(_, _, Some(t)) => {
let (s, c) = t.get_representation();
self.set_cell(buf, x, y, s, c, Color::Gray);
}
(None, None, None) => {}
};
}
}
}
}
{
let player = state.get_mutable_player();
let player_pos = player.get_immutable_position();
let player_x = al + player_pos.get_x() as u16;
let player_y = at + player_pos.get_y() as u16;
self.set_cell(buf, player_x, player_y, "8", Color::Red, Color::Gray);
}
// draw player
let player_x = al + player_pos.get_x() as u16;
let player_y = at + player_pos.get_y() as u16;
self.set_cell(buf, player_x, player_y, "8", Color::Red, Color::Gray);
}
}
impl Widget for LevelWidget {
fn render(self, _area: Rect, _buf: &mut Buffer) {}
#[test]
fn test_get_wall_symbol() {
let wall = Some(LevelElement::Wall);
// 0
let s = LevelWidget::calculate_wall(None, None, None, None);
assert_eq!(s, "");
// 15
let s = LevelWidget::calculate_wall(wall, wall, wall, wall);
assert_eq!(s, "");
// 1
let s = LevelWidget::calculate_wall(wall, None, None, None);
assert_eq!(s, "");
// 5
let s = LevelWidget::calculate_wall(wall, None, wall, None);
assert_eq!(s, "");
// 4
let s = LevelWidget::calculate_wall(None, None, wall, None);
assert_eq!(s, "");
// 2
let s = LevelWidget::calculate_wall(None, wall, None, None);
assert_eq!(s, "");
// 10
let s = LevelWidget::calculate_wall(None, wall, None, wall);
assert_eq!(s, "");
// 9
let s = LevelWidget::calculate_wall(wall, None, None, wall);
assert_eq!(s, "");
// 3
let s = LevelWidget::calculate_wall(wall, wall, None, None);
assert_eq!(s, "");
// 6
let s = LevelWidget::calculate_wall(None, wall, wall, None);
assert_eq!(s, "");
// 12
let s = LevelWidget::calculate_wall(None, None, wall, wall);
assert_eq!(s, "");
}

View File

@@ -1,72 +1,52 @@
use std::io::stdout;
use std::io::Result;
use std::time::Instant;
use std::io::{Result, stdout};
use crossterm::{
event::{self, KeyCode, KeyEventKind},
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
ExecutableCommand,
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use ratatui::prelude::*;
use ratatui::widgets::block::{Position, Title};
use ratatui::widgets::{Block, BorderType, Borders, Wrap};
use ratatui::{
prelude::{CrosstermBackend, Terminal},
prelude::{CrosstermBackend, Stylize, Terminal},
widgets::Paragraph,
};
use ratatui::prelude::*;
use ratatui::widgets::Block;
use whoami::realname;
use crate::game::{Game, GameState};
use crate::game::Game;
use crate::level::Level;
use crate::level_generator::LevelGenerator;
use crate::level_widget::LevelWidget;
use crate::player::Player;
use crate::position::HasPosition;
mod artifacts;
mod game;
mod level;
mod level_generator;
mod level_widget;
mod monster;
mod player;
mod level;
mod position;
mod level_widget;
mod level_generator;
/// length of a game frame in ms
pub const FRAME_LENGTH: u64 = 100;
//
fn main() -> Result<()> {
let mut game = Game::new(Player::new(realname().as_str(), 30));
let mut levels: [Level; 25] = [Level::new(); 25];
for l in 0..25 {
levels[l] = LevelGenerator::generate(l).render();
}
let mut g = Game {
player: Player::new(realname().as_str(), 10),
levels,
};
g.move_player(levels[0].start_x as i16, levels[0].start_y as i16);
stdout().execute(EnterAlternateScreen)?;
enable_raw_mode()?;
let mut terminal = Terminal::new(CrosstermBackend::new(stdout()))?;
terminal.clear()?;
let start_time = Instant::now();
let mut ticks = 0;
loop {
terminal.draw(|frame| {
let mut area = frame.area();
frame.render_widget(
Block::default().style(Style::default().bg(Color::Green)),
area,
);
// don't draw stuff except an info box if the terminal is too small (less than 80x25)
// to prevent the read drawing code from crashing the game.
if area.width < 80 || area.height < 25 {
let block = Block::default()
.title("Info")
.borders(Borders::ALL)
.border_style(Style::default().fg(Color::White))
.border_type(BorderType::Rounded)
.style(Style::default().bg(Color::Black));
let paragraph = Paragraph::new("Terminal needs to be at leas 80x25!")
.block(block)
.wrap(Wrap { trim: true });
frame.render_widget(paragraph, area);
return;
}
let mut area = frame.size();
frame.render_widget(Block::default().style(Style::default().bg(Color::Green)), area);
if area.width > 80 {
area.x = (area.width - 80) / 2;
@@ -83,151 +63,52 @@ fn main() -> Result<()> {
width: level::LEVEL_WIDTH as u16,
height: level::LEVEL_HEIGHT as u16,
};
frame.render_stateful_widget(LevelWidget {}, map_area, &mut game);
frame.render_widget(LevelWidget { game: &g }, map_area);
let stats_area = Rect {
x: area.x + 50,
y: area.y,
width: 30,
height: 15,
height: 25,
};
let block = Block::default()
.title(
Title::from(format!(" {} ", game.get_player().get_name()))
.alignment(Alignment::Center)
.position(Position::Top),
)
.borders(Borders::TOP)
.border_style(Style::default().fg(Color::White))
.border_type(BorderType::Rounded)
.style(Style::default().bg(Color::Blue));
frame.render_widget(
Paragraph::new(format!(
"Health: {}/{}\nExp: {}\nGold: {}\nLevel: {}",
game.get_player().get_life(),
game.get_player().get_max_life(),
game.get_player().get_experience(),
game.get_player().get_gold(),
game.get_player().get_immutable_position().get_level() + 1
))
.block(block)
.wrap(Wrap { trim: true }),
Paragraph::new(format!("{}\nHealth: {}/{}\nGold: {}\n{}/{}/{}",
g.player.get_name(),
g.player.get_life(),
g.player.get_max_life(),
g.player.get_gold(),
g.player.get_position().get_level(),
g.player.get_position().get_x(),
g.player.get_position().get_y()))
.white()
.on_blue(),
stats_area,
);
let messages_area = Rect {
x: area.x + 50,
y: area.y + 15,
width: 30,
height: 10,
};
// Display the latest messages from the game to the user
let block = Block::default()
.title(
Title::from(" messages ")
.alignment(Alignment::Center)
.position(Position::Top),
)
.borders(Borders::TOP)
.border_style(Style::default().fg(Color::White))
.border_type(BorderType::Rounded)
.style(Style::default().bg(Color::Blue));
let paragraph1 = if game.messages.is_empty() {
"".to_string()
} else {
format!("> {}", game.messages.join("\n> "))
};
frame.render_widget(
Paragraph::new(paragraph1)
.block(block)
.wrap(Wrap { trim: true }),
messages_area,
);
})?;
if event::poll(std::time::Duration::from_millis(FRAME_LENGTH))? {
if let event::Event::Key(key) = event::read()? {
if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('v') {
game.messages.insert(
0,
format!("You are playing version '{}'.", env!("GIT_HASH")).to_string(),
);
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') {
break;
}
if key.kind == KeyEventKind::Press {
let new_pos = match key.code {
KeyCode::Left => game.move_player(-1, 0),
KeyCode::Right => game.move_player(1, 0),
KeyCode::Up => game.move_player(0, -1),
KeyCode::Down => game.move_player(0, 1),
_ => (0, 0),
};
if !game.player_fights_monster() {
// player attacked monster but did not kill it
game.move_player(new_pos.0, new_pos.1);
}
game.player_collects_artifact();
}
}
}
game.update_level(ticks);
if game.get_game_state() != GameState::Running {
break;
}
ticks += 1;
}
let playtime = start_time.elapsed();
loop {
let _ = terminal.draw(|frame| {
let mut area = frame.area();
let w = area.width / 2;
let h = area.height / 2;
area.x += w - 20;
area.y += h - 10;
area.width = 40;
area.height = 20;
let block = Block::default()
.title(
Title::from(" Game ended ")
.alignment(Alignment::Center)
.position(Position::Top),
)
.title(Title::from("Press `q` to quit!").position(Position::Bottom))
.borders(Borders::ALL)
.border_style(Style::default().fg(Color::White))
.border_type(BorderType::Rounded)
.style(Style::default().bg(Color::Black));
let mut text = match game.get_game_state() {
GameState::Running => {
"Quitting is for cowards! You'll better try again!".to_string()
}
GameState::Lost => {
"Sorry, you died in the dungeon. Better luck next time!".to_string()
}
GameState::Won => {
"Congratulation! You mastered your way through the dungeon and won the game."
.to_string()
}
};
text += format!(
"\nYou gained {} experience.",
game.get_player().get_experience()
)
.as_str();
text += format!("\nYou collected {} gold.", game.get_player().get_gold()).as_str();
text += format!("\nYou played {} seconds.", playtime.as_secs()).as_str();
let paragraph = Paragraph::new(text).block(block).wrap(Wrap { trim: true });
frame.render_widget(paragraph, area);
});
if event::poll(std::time::Duration::from_millis(16))? {
if let event::Event::Key(key) = event::read()? {
if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') {
break;
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('d') {
;
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Left {
g.move_player(-1, 0);
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Right {
g.move_player(1, 0);
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Up {
g.move_player(0, -1);
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Down {
g.move_player(0, 1);
}
}
}
}
stdout().execute(LeaveAlternateScreen)?;
disable_raw_mode()?;
Ok(())

View File

@@ -1,129 +0,0 @@
use std::ops::RangeInclusive;
use rand::Rng;
use ratatui::prelude::Color;
use crate::position::{HasPosition, Position};
pub trait Monster: HasPosition {
fn get_name(&self) -> &str;
fn is_dead(&self) -> bool;
fn get_representation(&self) -> (&str, Color);
fn decrease_life(&mut self, by: usize);
// fn get_immutable_position(&self) -> &Position;
fn get_experience_gain(&self) -> usize;
fn get_ticks_between_steps(&self) -> u128;
#[cfg(test)]
fn get_life(&self) -> usize;
fn damage(&self) -> usize;
}
macro_rules! create_monster {
($($t:ident),+ $(,)?) => ($(
pub struct $t {
name: String,
life: usize,
position: Position,
symbol: String,
color: Color,
experience_gain: usize,
ticks_between_steps: u128,
damage_range: RangeInclusive<usize>,
}
impl Monster for $t {
fn get_name(&self) -> &str { &self.name }
fn is_dead(&self) -> bool { self.life <= 0 }
fn get_experience_gain(&self) -> usize { self.experience_gain }
fn get_representation(&self) -> (&str, Color) { (&self.symbol, self.color) }
fn decrease_life(&mut self, by: usize) {
self.life = self.life.saturating_sub(by);
}
fn get_ticks_between_steps(&self) -> u128 { self.ticks_between_steps }
fn damage(&self) -> usize { rand::thread_rng().gen_range(self.damage_range.clone()) }
#[cfg(test)]
fn get_life(&self) -> usize { self.life }
}
impl HasPosition for $t {
fn get_position(&mut self) -> &mut Position {
&mut self.position
}
fn get_immutable_position(&self) -> &Position {
&self.position
}
}
)+)
}
impl Rat {
pub fn new_with_position(position: Position) -> Self {
Self {
name: "rat".to_string(),
life: 2,
position,
symbol: String::from("R"),
color: Color::Black,
experience_gain: 5,
ticks_between_steps: 5,
damage_range: 1..=2,
}
}
}
create_monster!(Rat);
impl Orc {
pub fn new_with_position(position: Position) -> Self {
Self {
name: "orc".to_string(),
life: 4,
position,
symbol: String::from("O"),
color: Color::DarkGray,
experience_gain: 10,
ticks_between_steps: 10,
damage_range: 2..=3,
}
}
}
create_monster!(Orc);
impl Snake {
pub fn new_with_position(position: Position) -> Self {
Self {
name: "snake".to_string(),
life: 3,
position,
symbol: String::from("S"),
color: Color::DarkGray,
experience_gain: 10,
ticks_between_steps: 20,
damage_range: 1..=4,
}
}
}
create_monster!(Snake);
#[test]
fn monsters_can_move() {
let mut m = Rat::new_with_position(Position::new(0, 0, 0));
assert_eq!(m.get_position(), &Position::new(0, 0, 0));
m.get_position().change(1, 2);
assert_eq!(m.get_position(), &Position::new(0, 1, 2));
m.get_position().change(2, 1);
assert_eq!(m.get_position(), &Position::new(0, 3, 3));
m.get_position().set(1, 2, 3);
m.get_position().change(2, 1);
assert_eq!(m.get_position(), &Position::new(1, 4, 4));
}
#[test]
fn monsters_can_die() {
let mut m = Rat::new_with_position(Position::new(0, 0, 0));
assert_eq!(m.get_life(), 2);
assert_eq!(m.is_dead(), false);
m.decrease_life(1);
assert_eq!(m.get_life(), 1);
m.decrease_life(2);
assert_eq!(m.get_life(), 0);
assert_eq!(m.is_dead(), true);
}

View File

@@ -1,78 +1,48 @@
use rand::Rng;
use std::cmp::{max, min};
use crate::position::{HasPosition, Position};
use crate::position::Position;
pub struct Player {
name: String,
position: Position,
life: i16,
max_life: i16,
gold: usize,
experience: usize,
life: usize,
max_life: usize,
}
impl Player {
pub fn new(name: &str, max_life: i16) -> Player {
pub fn new(name: &str, max_life: usize) -> Player {
Player {
name: name.to_string(),
position: Position::new(0, 0, 0),
gold: 0,
life: max_life,
max_life,
gold: 0,
experience: 0,
}
}
pub fn get_name(&self) -> String {
self.name.clone()
return self.name.clone();
}
pub fn get_life(&self) -> usize { self.life }
pub fn get_max_life(&self) -> usize { self.max_life }
pub fn get_gold(&self) -> usize { self.gold }
pub fn add_gold(&mut self, amount: usize) { self.gold += amount; }
pub fn change_life(&mut self, by: i16) {
self.life = max(0, min(self.max_life, self.life + by));
self.life = max(0,
min(self.max_life,
(self.life as i16 + by) as usize,
),
);
}
pub fn get_life(&self) -> i16 {
self.life
pub fn get_position(&self) -> Position {
self.position
}
/// returns true if the player is dead (life <= 0)
pub fn is_dead(&self) -> bool {
self.life <= 0
}
/// returns true if the player's life is at maximum
pub fn is_healthy(&self) -> bool {
self.life == self.max_life
}
pub fn get_max_life(&self) -> i16 {
self.max_life
pub fn change_position(&mut self, dx: i16, dy: i16) {
self.position.change(dx, dy);
}
/// add the given amount to the players gold stash
pub fn retrieve_gold(&mut self, amount: usize) {
self.gold += amount
}
/// return the size of the players gold stash
pub fn get_gold(&self) -> usize {
self.gold
}
pub fn gain_experience(&mut self, amount: usize) {
self.experience += amount
}
pub fn get_experience(&self) -> usize {
self.experience
}
pub fn damage(&self) -> usize {
rand::thread_rng().gen_range(1..4)
}
}
impl HasPosition for Player {
fn get_position(&mut self) -> &mut Position {
&mut self.position
}
fn get_immutable_position(&self) -> &Position {
&self.position
pub fn set_position(&mut self, level: usize, x: usize, y: usize) {
self.position.set(level, x, y);
}
}
@@ -83,22 +53,10 @@ fn test_get_name() {
position: Position::new(0, 1, 1),
life: 5,
max_life: 10,
gold: 0,
experience: 0,
};
assert_eq!(p.get_name(), "Teddy Tester");
}
#[test]
fn test_can_receive_gold() {
let mut p = Player::new("Teddy Tester", 10);
assert_eq!(p.get_gold(), 0);
p.retrieve_gold(13);
p.retrieve_gold(10);
assert_eq!(p.get_gold(), 23);
}
#[test]
fn test_change_life() {
let mut p = Player {
@@ -106,41 +64,12 @@ fn test_change_life() {
position: Position::new(0, 1, 1),
life: 5,
max_life: 10,
gold: 0,
experience: 0,
};
assert_eq!(p.get_life(), 5);
assert_eq!(p.life, 5);
p.change_life(-2);
assert_eq!(p.get_life(), 3);
assert_eq!(p.life, 3);
p.change_life(10);
assert_eq!(p.get_life(), 10);
assert_eq!(p.life, 10);
p.change_life(-12);
assert_eq!(p.get_life(), 0);
}
#[test]
fn player_can_move() {
let mut p = Player::new("Teddy Tester", 10);
assert_eq!(p.get_position(), &Position::new(0, 0, 0));
p.get_position().change(1, 2);
assert_eq!(p.get_position(), &Position::new(0, 1, 2));
p.get_position().change(2, 1);
assert_eq!(p.get_position(), &Position::new(0, 3, 3));
p.get_position().set(1, 2, 3);
p.get_position().change(2, 1);
assert_eq!(p.get_position(), &Position::new(1, 4, 4));
assert_eq!(p.get_immutable_position(), &Position::new(1, 4, 4));
}
#[test]
fn test_max_life() {
let p = Player {
name: "Teddy Tester".to_string(),
position: Position::new(0, 1, 1),
life: 5,
max_life: 10,
gold: 0,
experience: 0,
};
assert_eq!(p.get_max_life(), 10);
}
assert_eq!(p.life, 0);
}

View File

@@ -1,14 +1,4 @@
use std::cmp::max;
/// describes an character (PC or NPC) in the dungeon that has a position.
pub trait HasPosition {
/// returns a mutable position
fn get_position(&mut self) -> &mut Position;
/// returns an immutable position
fn get_immutable_position(&self) -> &Position;
}
#[derive(PartialEq, Debug, Clone, Copy)]
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct Position {
level: usize,
x: usize,
@@ -17,20 +7,13 @@ pub struct Position {
impl Position {
pub fn new(level: usize, x: usize, y: usize) -> Self {
Self { level, x, y }
Self {
level,
x,
y,
}
}
pub fn change(&mut self, dx: i16, dy: i16) -> (usize, usize) {
self.x = max((self.x as i16) + dx, 0) as usize;
self.y = max((self.y as i16) + dy, 0) as usize;
(self.x, self.y)
}
pub fn set(&mut self, level: usize, x: usize, y: usize) {
self.level = level;
self.x = x;
self.y = y;
}
pub fn get_level(&self) -> usize {
pub fn get_level(&self) -> usize{
self.level
}
@@ -41,34 +24,14 @@ impl Position {
pub fn get_y(&self) -> usize {
self.y
}
}
#[test]
fn test_position_change() {
let mut p = Position::new(0, 10, 10);
let res = p.change(-1, 1);
assert_eq!(res, (9, 11));
assert_eq!(p.get_x(), 9);
assert_eq!(p.get_y(), 11);
let res = p.change(-9, 1);
assert_eq!(res, (0, 12));
assert_eq!(p.get_x(), 0);
assert_eq!(p.get_y(), 12);
let res = p.change(-1, -13);
assert_eq!(res, (0, 0));
assert_eq!(p.get_x(), 0);
assert_eq!(p.get_y(), 0);
}
#[test]
fn test_position_set() {
let mut p = Position::new(0, 10, 10);
p.set(1, 2, 3);
assert_eq!(p.get_level(), 1);
assert_eq!(p.get_x(), 2);
assert_eq!(p.get_y(), 3);
}
pub fn change(&mut self, dx: i16, dy: i16) {
self.x = ((self.x as i16) + dx) as usize;
self.y = ((self.y as i16) + dy) as usize;
}
pub fn set(&mut self, level: usize, x: usize, y:usize) {
self.level = level;
self.x = x;
self.y = y;
}
}