108 lines
3.0 KiB
Dart
108 lines
3.0 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'package:wolf_3d_data/wolf_3d_data.dart';
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import 'package:wolf_3d_data_types/wolf_3d_data_types.dart';
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import 'package:wolf_3d_engine/wolf_3d_engine.dart';
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import 'package:wolf_3d_input/wolf_3d_input.dart';
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// Helper to gracefully exit and restore the terminal
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void exitCleanly(int code) {
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stdout.write('\x1b[0m'); // Reset color
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stdout.write('\x1b[2J\x1b[H'); // Clear screen
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stdout.write('\x1b[?25h'); // SHOW the cursor again
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exit(code);
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}
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void main() async {
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stdin.echoMode = false;
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stdin.lineMode = false;
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// HIDE the blinking cursor and clear the screen to prep the canvas
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stdout.write('\x1b[?25l\x1b[2J');
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print("Discovering game data...");
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// 1. Get the absolute URI of where this exact script lives
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final scriptUri = Platform.script;
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// 2. Resolve the path mathematically.
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final targetUri = scriptUri.resolve(
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'../../../packages/wolf_3d_assets/assets/retail',
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);
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final targetPath = targetUri.toFilePath();
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final availableGames = await WolfensteinLoader.discover(
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directoryPath: targetPath,
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recursive: true,
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);
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final data = availableGames.values.first;
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final input = CliInput();
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final cliAudio = CliSilentAudio();
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final engine = WolfEngine(
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data: data,
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difficulty: Difficulty.bringEmOn,
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startingEpisode: 0,
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audio: cliAudio,
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onGameWon: () {
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exitCleanly(0);
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print("YOU WON!");
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},
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);
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final rasterizer = AsciiRasterizer();
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final buffer = FrameBuffer(120, 40);
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engine.init();
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stdin.listen((List<int> bytes) {
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if (bytes.contains(113) || bytes.contains(27)) {
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exitCleanly(0);
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}
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input.handleKey(bytes);
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});
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Stopwatch stopwatch = Stopwatch()..start();
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Duration lastTick = Duration.zero;
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Timer.periodic(const Duration(milliseconds: 33), (timer) {
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// 1. Terminal Size Safety Check
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if (stdout.hasTerminal) {
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if (stdout.terminalColumns < 120 || stdout.terminalLines < 40) {
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// Clear the screen and print the warning at the top left
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stdout.write('\x1b[2J\x1b[H');
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stdout.write('\x1b[31m[ ERROR ] TERMINAL TOO SMALL\x1b[0m\n\n');
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stdout.write(
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'Wolfenstein 3D requires a minimum resolution of 120x40.\n',
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);
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stdout.write(
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'Current size: \x1b[33m${stdout.terminalColumns}x${stdout.terminalLines}\x1b[0m\n\n',
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);
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stdout.write('Please resize your window to resume the game...');
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// Prevent the engine from simulating a massive time jump when resumed
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lastTick = stopwatch.elapsed;
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return;
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}
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}
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// 2. Normal Game Loop
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Duration currentTick = stopwatch.elapsed;
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Duration elapsed = currentTick - lastTick;
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lastTick = currentTick;
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// Move cursor to top-left (0,0) before drawing the frame
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stdout.write('\x1b[H');
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input.update();
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engine.tick(elapsed, input.currentInput);
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rasterizer.render(engine, buffer);
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rasterizer.finalizeFrame();
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stdout.write(rasterizer.toAnsiString());
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});
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}
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