Fixes pushwalls and a bunch of ASCII/sixel rasterizer issues

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

apps/wolf_3d_cli/bin/main.dart

@@ -1,6 +1,6 @@
-import 'dart:async';
 import 'dart:io';
 
+import 'package:wolf_3d_cli/cli_game_loop.dart';
 import 'package:wolf_3d_dart/wolf_3d_data.dart';
 import 'package:wolf_3d_dart/wolf_3d_data_types.dart';
 import 'package:wolf_3d_dart/wolf_3d_engine.dart';
@@ -15,13 +15,7 @@ void exitCleanly(int code) {
 }
 
 void main() async {
-  stdin.echoMode = false;
-  stdin.lineMode = false;
-
-  // HIDE the blinking cursor and clear the screen to prep the canvas
-  stdout.write('\x1b[?25l\x1b[2J');
-
-  print("Discovering game data...");
+  stdout.write("Discovering game data...");
   // 1. Get the absolute URI of where this exact script lives
   final scriptUri = Platform.script;
 
@@ -36,76 +30,31 @@ void main() async {
     recursive: true,
   );
 
-  final AsciiRasterizer asciiRasterizer = AsciiRasterizer(isTerminal: true);
-  final SixelRasterizer sixelRasterizer = SixelRasterizer();
-  CliRasterizer rasterizer = sixelRasterizer;
+  CliGameLoop? gameLoop;
 
-  final FrameBuffer initialFrameBuffer = FrameBuffer(
-    stdout.terminalColumns,
-    stdout.terminalLines,
-  );
+  void stopAndExit(int code) {
+    gameLoop?.stop();
+    exitCleanly(code);
+  }
 
   final engine = WolfEngine(
     data: availableGames.values.first,
     difficulty: Difficulty.medium,
     startingEpisode: 0,
-    frameBuffer: initialFrameBuffer,
-    audio: CliSilentAudio(),
+    frameBuffer: FrameBuffer(
+      stdout.terminalColumns,
+      stdout.terminalLines,
+    ),
     input: CliInput(),
-    onGameWon: () {
-      exitCleanly(0);
-      print("YOU WON!");
-    },
+    onGameWon: () => stopAndExit(0),
   );
 
   engine.init();
 
-  stdin.listen((List<int> bytes) {
-    if (bytes.contains(113) || bytes.contains(27)) {
-      exitCleanly(0);
-    }
-
-    if (bytes.contains(9)) {
-      rasterizer = identical(rasterizer, sixelRasterizer)
-          ? asciiRasterizer
-          : sixelRasterizer;
-      stdout.write('\x1b[2J\x1b[H');
-      return;
-    }
-
-    (engine.input as CliInput).handleKey(bytes);
-  });
-
-  Stopwatch stopwatch = Stopwatch()..start();
-  Duration lastTick = Duration.zero;
-
-  Timer.periodic(const Duration(milliseconds: 33), (timer) {
-    // 1. Terminal Size Safety Check
-    if (stdout.hasTerminal) {
-      int cols = stdout.terminalColumns;
-      int rows = stdout.terminalLines;
-      if (!rasterizer.prepareTerminalFrame(engine, columns: cols, rows: rows)) {
-        // Clear the screen and print the warning at the top left
-        stdout.write('\x1b[2J\x1b[H');
-        stdout.write(
-          rasterizer.buildTerminalSizeWarning(columns: cols, rows: rows),
-        );
-
-        // Prevent the engine from simulating a massive time jump when resumed
-        lastTick = stopwatch.elapsed;
-        return;
-      }
-    }
-
-    // 2. Normal Game Loop
-    Duration currentTick = stopwatch.elapsed;
-    Duration elapsed = currentTick - lastTick;
-    lastTick = currentTick;
-
-    // Move cursor to top-left (0,0) before drawing the frame
-    stdout.write('\x1b[H');
-
-    engine.tick(elapsed);
-    stdout.write(rasterizer.render(engine));
-  });
+  gameLoop = CliGameLoop(
+    engine: engine,
+    input: engine.input as CliInput,
+    onExit: stopAndExit,
+  );
+  gameLoop.start();
 }