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move rotation patterns from numbers to strings

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Theis Pieter Hollebeek 2025-03-02 17:39:23 +01:00
parent e392a4132a
commit 3837963cfa
1 changed files with 203 additions and 24 deletions
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227
src/main.rs
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@ -51,32 +51,151 @@ impl Tetromino {
}
}
const fn directions(&self) -> [[[i8; 4]; 4]; 4] {
fn direction_pattern(&self, direction: Direction) -> [[bool; 4]; 4] {
let idx = match direction {
Direction::Up => 0,
Direction::Right => 1,
Direction::Down => 2,
Direction::Left => 3,
};
self.directions()[idx]
}
fn rotation_pattern_from_string(pattern: &'static str) -> [[bool; 4]; 4] {
pattern
.split_whitespace()
.map(|row| {
let row: [char; 4] = row.chars().collect::<Vec<_>>().try_into().unwrap();
row.map(|c| {
if c == '#' {
true
} else if c == '-' {
false
} else {
panic!("invalid rotation pattern");
}
})
})
.collect::<Vec<_>>()
.try_into()
.unwrap()
}
const fn directions(&self) -> [[[bool; 4]; 4]; 4] {
match self {
Self::I => [
[[0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 0, 1, 0], [0, 0, 1, 0], [0, 0, 1, 0], [0, 0, 1, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0]],
[[0, 1, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0]],
Self::rotation_pattern_from_string(
r"
----
####
----
----
",
),
Self::rotation_pattern_from_string(
r"
--#-
--#-
--#-
--#-
",
),
Self::rotation_pattern_from_string(
r"
----
----
####
----
",
),
Self::rotation_pattern_from_string(
r"
-#--
-#--
-#--
-#--
",
),
],
Self::J => [
[[0, 0, 0, 0], [1, 0, 0, 0], [1, 1, 1, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 1, 1, 0], [0, 1, 0, 0], [0, 1, 0, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [1, 1, 1, 0], [0, 0, 1, 0]],
[[0, 0, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0], [1, 1, 0, 0]],
Self::rotation_pattern_from_string(
r"
----
#---
###-
----
",
),
Self::rotation_pattern_from_string(
r"
----
-##-
-#--
-#--
",
),
Self::rotation_pattern_from_string(
r"
----
----
###-
--#-
",
),
Self::rotation_pattern_from_string(
r"
----
-#--
-#--
##--
",
),
],
Self::L => [
[[0, 0, 0, 0], [0, 0, 1, 0], [1, 1, 1, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0], [0, 1, 1, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [1, 1, 1, 0], [1, 0, 0, 0]],
[[0, 0, 0, 0], [1, 1, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0]],
],
Self::O => [
[[0, 0, 0, 0], [0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0]],
Self::rotation_pattern_from_string(
r"
----
--#-
###-
----
",
),
Self::rotation_pattern_from_string(
r"
----
-#--
-#--
-##-
",
),
Self::rotation_pattern_from_string(
r"
----
----
###-
#---
",
),
Self::rotation_pattern_from_string(
r"
----
##--
-#--
-#--
",
),
],
Self::O => {
[Self::rotation_pattern_from_string(
r"
----
-##-
-##-
----
",
); 4]
}
Self::S => [
[[0, 0, 0, 0], [0, 1, 1, 0], [1, 1, 0, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 1, 0, 0], [0, 1, 1, 0], [0, 0, 1, 0]],
@ -147,7 +266,6 @@ struct CurrentTetromino {
impl CurrentTetromino {
fn new(tetromino: Tetromino) -> Self {
const BOARD_WIDTH: i8 = 10;
const PIECE_WIDTH: i8 = 2;
Self {
tetromino,
@ -169,6 +287,47 @@ impl Board {
pub fn new() -> Self {
Board([[Rgb(0, 0, 0); Self::WIDTH]; Self::HEIGHT])
}
pub fn colliding(
&self,
CurrentTetromino {
tetromino,
direction,
x: cur_x,
y: cur_y,
}: CurrentTetromino,
) -> bool {
let pattern = tetromino.direction_pattern(direction);
for y in 0..pattern.len() {
for x in 0..pattern[y].len() {
if pattern[y][x] == 0 {
continue;
}
let x = x as i8 + cur_x;
let y = y as i8 + cur_y;
if y < 0 {
continue;
}
if y >= Board::HEIGHT as i8 {
return true;
}
if x < 0 || x >= Board::WIDTH as i8 {
return true;
}
if self.0[y as usize][x as usize] != Rgb(0, 0, 0) {
return true;
}
}
}
false
}
}
struct Game {
@ -177,10 +336,29 @@ struct Game {
current_tetromino: CurrentTetromino,
held_tetromino: Option<Tetromino>,
has_swapped_held: bool,
score: Score,
}
struct Score {
level: usize,
score: usize,
lines: usize,
combo: usize,
}
impl Score {
const fn new() -> Self {
Self {
level: 0,
score: 0,
lines: 0,
combo: 0,
}
}
}
impl Game {
fn next_in_bag(&mut self, mut last: Tetromino) -> Tetromino {
fn take_next_in_bag(&mut self, mut last: Tetromino) -> Tetromino {
for value in self.next_tetrominos.iter_mut().rev() {
std::mem::swap(value, &mut last)
}
@ -195,7 +373,7 @@ impl Game {
let held_or_first_in_bag_tetromino = self
.held_tetromino
.take()
.unwrap_or_else(|| self.next_in_bag(Tetromino::new_random()));
.unwrap_or_else(|| self.take_next_in_bag(Tetromino::new_random()));
let current_tetromino = CurrentTetromino::new(held_or_first_in_bag_tetromino);
let old_tetromino = std::mem::replace(&mut self.current_tetromino, current_tetromino);
self.held_tetromino.replace(old_tetromino.tetromino);
@ -206,18 +384,19 @@ fn main() {}
#[cfg(test)]
mod test {
use crate::{Board, CurrentTetromino, Game, Tetromino};
use crate::{Board, CurrentTetromino, Game, Score, Tetromino};
#[test]
fn advance_bag() {
let mut game = Game {
board: Board::new(),
score: Score::new(),
next_tetrominos: [Tetromino::I, Tetromino::J, Tetromino::O],
current_tetromino: CurrentTetromino::new(Tetromino::J),
held_tetromino: None,
has_swapped_held: false,
};
assert_eq!(game.next_in_bag(Tetromino::S), Tetromino::I);
assert_eq!(game.take_next_in_bag(Tetromino::S), Tetromino::I);
assert_eq!(
game.next_tetrominos,
[Tetromino::J, Tetromino::O, Tetromino::S]