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el_diablo
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reworked level widget to stateful widget

This commit is contained in:
Joachim Lusiardi 2023-12-09 20:11:02 +01:00
parent 6e2441aad1
commit 206a49fb08
3 changed files with 161 additions and 185 deletions
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80
src/game.rs
View File

@ -1,5 +1,7 @@
use crate::level::Level;
use crate::artifacts::Artifact;
use crate::level::{Level, StructureElement};
use crate::level_generator::LevelGenerator;
use crate::monster::Monster;
use crate::player::Player;
use crate::position::Position;
@ -20,11 +22,12 @@ impl Game {
player: p,
levels: v,
};
let mut start = (0,0);
let mut start = (0, 0);
{
start = g.get_level(0).start;
}
g.get_mutable_player().get_position().set(0,start.0, start.1);
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
}
@ -36,6 +39,77 @@ impl Game {
}
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] }
fn can_move(&mut self, dx: i16, dy: i16) -> bool {
let player_pos = &self.player.get_position();
let new_x: i16 = player_pos.get_x() as i16 + dx;
let new_y: i16 = player_pos.get_y() as i16 + dy;
let level = &mut self.levels[player_pos.get_level()];
match level.get_element(new_x, new_y) {
(None, _, _) => { return false; }
(Some(t), _, _) => {
match t {
StructureElement::Wall => { return false; }
_ => {}
}
}
};
true
}
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)
}
fn next_element(&mut self, dx: i16, dy: i16) -> (Option<StructureElement>, Option<&mut Monster>, Option<&mut Box<(dyn Artifact + 'static)>>) {
let player_pos = &self.player.get_position();
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)
}
pub fn move_player(&mut self, dx: i16, dy: i16) {
// verify the player can do the move
if !self.can_move(dx, dy) {
return;
}
// // let player_pos = &self.player.get_position();
// // 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];
// let element = self.next_element(dx, dy);
//
// // use stairs if walked onto one
// match element {
// (Some(e), _, _) => {
// match e {
// StructureElement::StairDown => {
// let (next_level, x, y) = self.next_start();
// self.get_mutable_player().get_position().set(next_level, x, y);
// self.levels[next_level].discover(self.player.get_position());
// }
// StructureElement::StairUp => {}
// _ => {}
// }
// }
// (_, _, _) => {}
// }
//
// // interact with monsters / artifacts
// match element {
// (_, _, Some(a)) => {
// // a.collect(&mut self.player);
// // level.remove_artifact(&Position::new(player_level, new_x as usize, new_y as usize)).expect("Could not collect artifact");
// }
// (_, _, _) => {}
// }
// 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(0).discover(&Position::new(0, new_x, new_y));
}
}
#[test]

207
src/level_widget.rs
View File

@ -1,18 +1,17 @@
use ratatui::prelude::*;
use ratatui::widgets::Widget;
use ratatui::buffer::Buffer;
use ratatui::layout::Rect;
use ratatui::style::Color;
use ratatui::widgets::{StatefulWidget, Widget};
use crate::game::Game;
use crate::artifacts::Artifact;
use crate::level::{Level, StructureElement};
use crate::game::Game;
use crate::level::StructureElement;
const FG_BROWN: Color = Color::Rgb(186, 74, 0);
//⌂ α Ω
pub struct LevelWidget<'a> {
pub game: &'a Game,
}
pub struct LevelWidget {}
impl LevelWidget<'_> {
impl LevelWidget {
fn set_cell(&self, buf: &mut Buffer, x: u16, y: u16, symbol: &str, fg: Color, bg: Color) {
buf.
get_mut(x, y).
@ -20,157 +19,75 @@ impl LevelWidget<'_> {
set_bg(bg).
set_fg(fg);
}
fn calculate_wall(top: Option<StructureElement>, right: Option<StructureElement>, bottom: Option<StructureElement>, left: Option<StructureElement>) -> String {
let mut val = 0;
val += match top {
Some(n) => {
match n {
StructureElement::Wall => 1,
_ => 0
}
}
None => 0
};
val += match right {
Some(n) => {
match n {
StructureElement::Wall => 2,
_ => 0
}
}
None => 0
};
val += match bottom {
Some(n) => {
match n {
StructureElement::Wall => 4,
_ => 0
}
}
None => 0
};
val += match left {
Some(n) => {
match n {
StructureElement::Wall => 8,
_ => 0
}
}
None => 0
};
[
"╋", "┃", "━", "┗",
"┃", "┃", "┏", "┣",
"━", "┛", "━", "┻",
"┓", "┫", "┳", "╋",
][val].to_string()
}
}
impl Widget for LevelWidget<'_> {
fn render(self, area: Rect, buf: &mut Buffer) {
let player= self.game.get_player();
// let player = &mut self.game.player;
let player_pos = player.get_immutable_position();
// let level: &Level = &self.game.levels[player_pos.get_level()];
impl StatefulWidget for LevelWidget {
type State = Game;
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_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 {
// Artifact::Chest { gold: _ } => {
// self.set_cell(buf, x, y, "⌂", Color::Black, Color::Gray);
// }
// }
// }
// (Some(e), _) => {
// match e {
// StructureElement::Wall => {
// let top = level.get_element(level_x, level_y - 1).0;
// let right = level.get_element(level_x + 1, level_y).0;
// let bottom = level.get_element(level_x, level_y + 1).0;
// let left = level.get_element(level_x - 1, level_y).0;
// let symbol = LevelWidget::calculate_wall(top, right, bottom, left);
// self.set_cell(buf, x, y, symbol.as_str(), 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);
// }
// 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);
// }
// }
// }
// }
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
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 player
}
(_, Some(t), _) => {
self.set_cell(buf, x, y, "M", Color::Red, 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);
}
}
}
#[test]
fn test_get_wall_symbol() {
let wall = Some(StructureElement::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, "┓");
impl Widget for LevelWidget {
fn render(self, area: Rect, buf: &mut Buffer) {}
}

45
src/main.rs
View File

@ -1,5 +1,5 @@
use std::io::{Result, stdout};
use std::ops::Index;
use std::io::Result;
use std::io::stdout;
use crossterm::{
event::{self, KeyCode, KeyEventKind},
@ -15,9 +15,8 @@ use ratatui::widgets::Block;
use whoami::realname;
use crate::game::Game;
use crate::level::Level;
use crate::level_generator::LevelGenerator;
use crate::level_widget::LevelWidget;
// use crate::level_widget::LevelWidget;
use crate::player::Player;
mod game;
@ -28,20 +27,9 @@ mod level_widget;
mod level_generator;
mod artifacts;
mod monster;
//
fn main() -> Result<()> {
let mut levels = Vec::new();
for l in 0..25 {
levels.push(LevelGenerator::generate(l).render());
}
let mut g = Game {
player: Player::new(realname().as_str(), 10),
levels,
};
// let first_level = g.levels.index(0);
// g.get_mutable_player().get_position().change(first_level.start.0 as i16, first_level.start.1 as i16);
let mut game = Game::new(Player::new(realname().as_str(), 10));
stdout().execute(EnterAlternateScreen)?;
enable_raw_mode()?;
@ -68,7 +56,7 @@ fn main() -> Result<()> {
width: level::LEVEL_WIDTH as u16,
height: level::LEVEL_HEIGHT as u16,
};
frame.render_widget(LevelWidget { game: &g }, map_area);
frame.render_stateful_widget(LevelWidget{}, map_area, &mut game);
let stats_area = Rect {
x: area.x + 50,
@ -78,11 +66,11 @@ fn main() -> Result<()> {
};
frame.render_widget(
Paragraph::new(format!("{}\nHealth: {}/{}\nGold: {}\nLevel: {}",
g.get_player().get_name(),
g.get_player().get_life(),
g.get_player().get_max_life(),
g.get_player().get_gold(),
g.get_player().get_immutable_position().get_level()))
game.get_player().get_name(),
game.get_player().get_life(),
game.get_player().get_max_life(),
game.get_player().get_gold(),
game.get_player().get_immutable_position().get_level()))
.white()
.on_blue(),
stats_area,
@ -93,20 +81,17 @@ fn main() -> Result<()> {
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.get_mutable_player().get_position().change(-1, 0);
game.move_player(-1, 0);
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Right {
g.get_mutable_player().get_position().change(1, 0);
game.move_player(1, 0);
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Up {
g.get_mutable_player().get_position().change(0, -1);
game.move_player(0, -1);
}
if key.kind == KeyEventKind::Press && key.code == KeyCode::Down {
g.get_mutable_player().get_position().change(0, 1);
game.move_player(0, 1);
}
}
}