feat: game loop

.github/workflows/deploy.yaml

@@ -0,0 +1,28 @@
+name: Github Pages
+
+on: [push]
+
+permissions:
+  contents: write
+
+jobs:
+  build-github-pages:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2 # repo checkout
+      - uses: mymindstorm/setup-emsdk@v11 # setup emscripten toolchain
+        # with:
+        #   version: 3.1.35
+      - uses: actions-rs/toolchain@v1 # get rust toolchain for wasm
+        with:
+          toolchain: stable
+          target: wasm32-unknown-emscripten
+          override: true
+      - name: Rust Cache # cache the rust build artefacts
+        uses: Swatinem/rust-cache@v1
+      - name: Build # build
+        run: ./build.sh
+      - name: Deploy
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          folder: dist

.gitignore

@@ -1 +1,2 @@
 /target
+.idea

build.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+set -eux
+
+cargo build --target=wasm32-unknown-emscripten --release
+
+mkdir -p dist
+
+cp target/wasm32-unknown-emscripten/release/rust_sdl2_wasm.wasm dist
+cp target/wasm32-unknown-emscripten/release/rust-sdl2-wasm.js dist
+cp index.html dist

src/constants.rs

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+pub const BOARD_WIDTH: u32 = 28;
+pub const BOARD_HEIGHT: u32 = 36;
+pub const BLOCK_SIZE_24: u32 = 24;
+pub const BLOCK_SIZE_32: u32 = 32;
+
+pub const WINDOW_WIDTH: u32 = BLOCK_SIZE_24 * BOARD_WIDTH;
+pub const WINDOW_HEIGHT: u32 = BLOCK_SIZE_24 * BOARD_HEIGHT;
+
+pub const RAW_BOARD: &str = r###"
+
+
+############################
+#............##............#
+#.####.#####.##.#####.####.#
+#o####.#####.##.#####.####o#
+#.####.#####.##.#####.####.#
+#..........................#
+#.####.##.########.##.####.#
+#.####.##.########.##.####.#
+#......##....##....##......#
+######.##### ## #####.######
+     #.##### ## #####.#
+     #.##    1     ##.#
+     #.## ###==### ##.#
+######.## #      # ##.######
+      .   #2 3 4 #   .
+######.## #      # ##.######
+     #.## ######## ##.#
+     #.##          ##.#
+     #.## ######## ##.#
+######.## ######## ##.######
+#............##............#
+#.####.#####.##.#####.####.#
+#.####.#####.##.#####.####.#
+#o..##.......0 .......##..o#
+###.##.##.########.##.##.###
+###.##.##.########.##.##.###
+#......##....##....##......#
+#.##########.##.##########.#
+#.##########.##.##########.#
+#..........................#
+############################
+
+                            "###;

src/game.rs

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+pub struct Game {}
+
+impl Game {
+    pub fn new() -> Game {
+        Game {}
+    }
+
+    pub fn tick() {}
+
+    pub fn draw() {}
+}