rpuzonas/rust-wasm-minesweeper
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feat: fields which have all bombs already flags can be auto opened

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This commit is contained in:
Rokas Puzonas 2022-06-02 13:35:32 +03:00
parent 038c2d8257
commit 2697fe0899
4 changed files with 46 additions and 3 deletions
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9
README.md
View File

@ -1,3 +1,12 @@
# Minesweeper using Rust & WASM # Minesweeper using Rust & WASM
Tutorial: https://www.youtube.com/watch?v=0ywizYLPV00 Tutorial: https://www.youtube.com/watch?v=0ywizYLPV00
## Development
```
wasm-pack build --target web
serve
```
If it says that you don't have `serve`, you can install from here: https://www.npmjs.com/package/serve.

8
index.html
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@ -23,7 +23,7 @@ html {
<body> <body>
<div id="root"> <div id="root">
<script type="module"> <script type="module">
import init, { getState, openField } from "./pkg/rust_wasm_minesweeper.js"; import init, { getState, openField, toggleFlag } from "./pkg/rust_wasm_minesweeper.js";
async function main() { async function main() {
await init(); await init();
@ -50,6 +50,12 @@ html {
openField(x, y); openField(x, y);
render(); render();
}); });
elem.addEventListener("contextmenu", e => {
e.preventDefault();
toggleFlag(x, y);
render();
});
root.appendChild(elem); root.appendChild(elem);
} }
} }

5
src/lib.rs
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@ -19,3 +19,8 @@ pub fn get_state() -> String {
pub fn open_field(x: usize, y: usize) { pub fn open_field(x: usize, y: usize) {
MINESWEEPER.with(move |ms| ms.borrow_mut().open((x, y))); MINESWEEPER.with(move |ms| ms.borrow_mut().open((x, y)));
} }
#[wasm_bindgen(js_name = toggleFlag)]
pub fn toggle_flag(x: usize, y: usize) {
MINESWEEPER.with(|ms| ms.borrow_mut().toggle_flag((x, y)));
}

25
src/minesweeper.rs
View File

@ -75,8 +75,29 @@ impl Minesweeper {
.count() as u8 .count() as u8
} }
pub fn count_flags(&self, position: Position) -> u8 {
self.iter_neighbours(position)
.filter(|pos| self.flags.contains(pos))
.count() as u8
}
pub fn open(&mut self, position: Position) -> Option<OpenResult> { pub fn open(&mut self, position: Position) -> Option<OpenResult> {
if self.game_over || self.open_fields.contains(&position) || self.flags.contains(&position) { if self.open_fields.contains(&position) {
let mines = self.count_mines(position);
let flags = self.count_flags(position);
if mines == flags {
for neighbour in self.iter_neighbours(position) {
if !self.flags.contains(&neighbour) && !self.open_fields.contains(&neighbour) {
self.open(neighbour);
}
}
}
return None;
}
if self.game_over || self.flags.contains(&position) {
return None; return None;
} }
@ -89,9 +110,11 @@ impl Minesweeper {
let mines = self.count_mines(position); let mines = self.count_mines(position);
if mines == 0 { if mines == 0 {
for neighbour in self.iter_neighbours(position) { for neighbour in self.iter_neighbours(position) {
if !self.open_fields.contains(&neighbour) {
self.open(neighbour); self.open(neighbour);
} }
} }
}
Some(OpenResult::NoMine(mines)) Some(OpenResult::NoMine(mines))
} }
} }