WIP moving difficulty selection to engine
Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>
This commit is contained in:
@@ -3,36 +3,19 @@ library;
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:wolf_3d_dart/wolf_3d_data_types.dart';
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import 'package:wolf_3d_dart/wolf_3d_engine.dart';
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import 'package:wolf_3d_flutter/wolf_3d_input_flutter.dart';
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import 'package:wolf_3d_flutter/wolf_3d_flutter.dart';
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import 'package:wolf_3d_renderer/wolf_3d_ascii_renderer.dart';
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import 'package:wolf_3d_renderer/wolf_3d_flutter_renderer.dart';
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/// Owns a [WolfEngine] instance and exposes renderer/input integrations to Flutter.
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/// Launches a [WolfEngine] via [Wolf3d] and exposes renderer/input integrations.
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class GameScreen extends StatefulWidget {
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/// Fully parsed game data for the selected version.
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final WolfensteinData data;
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/// Shared application facade owning the engine, audio, and input.
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final Wolf3d wolf3d;
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/// Difficulty applied when creating the engine session.
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final Difficulty difficulty;
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/// Episode index used as the starting world.
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final int startingEpisode;
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/// Shared audio backend reused across menu and gameplay screens.
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final EngineAudio audio;
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/// Flutter input adapter that translates widget events into engine input.
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final Wolf3dFlutterInput input;
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/// Creates a gameplay screen with the supplied game session configuration.
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/// Creates a gameplay screen driven by [wolf3d].
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const GameScreen({
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required this.data,
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required this.difficulty,
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required this.startingEpisode,
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required this.audio,
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required this.input,
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required this.wolf3d,
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super.key,
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});
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@@ -47,90 +30,147 @@ class _GameScreenState extends State<GameScreen> {
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@override
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void initState() {
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super.initState();
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_engine = WolfEngine(
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data: widget.data,
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difficulty: widget.difficulty,
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startingEpisode: widget.startingEpisode,
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frameBuffer: FrameBuffer(320, 200),
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audio: widget.audio,
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input: widget.input,
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_engine = widget.wolf3d.launchEngine(
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onGameWon: () => Navigator.of(context).pop(),
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);
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_engine.init();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Listener(
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onPointerDown: widget.input.onPointerDown,
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onPointerUp: widget.input.onPointerUp,
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onPointerMove: widget.input.onPointerMove,
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onPointerHover: widget.input.onPointerMove,
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child: Stack(
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children: [
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// Keep both renderers behind the same engine so mode switching does
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// not reset level state or audio playback.
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_useAsciiMode
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? WolfAsciiRenderer(engine: _engine)
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: WolfFlutterRenderer(engine: _engine),
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return WillPopScope(
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onWillPop: () async {
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if (_engine.isDifficultySelectionPending) {
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widget.wolf3d.input.queueBackAction();
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return false;
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}
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return true;
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},
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child: Scaffold(
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body: LayoutBuilder(
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builder: (context, constraints) {
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final viewportRect = _menuViewportRect(
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Size(constraints.maxWidth, constraints.maxHeight),
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);
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if (!_engine.isInitialized)
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Container(
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color: Colors.black,
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child: const Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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CircularProgressIndicator(color: Colors.teal),
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SizedBox(height: 20),
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Text(
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"GET PSYCHED!",
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style: TextStyle(
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color: Colors.teal,
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fontFamily: 'monospace',
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return Listener(
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onPointerDown: (event) {
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widget.wolf3d.input.onPointerDown(event);
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if (_engine.isDifficultySelectionPending &&
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viewportRect.width > 0 &&
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viewportRect.height > 0 &&
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viewportRect.contains(event.localPosition)) {
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final normalizedX =
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(event.localPosition.dx - viewportRect.left) /
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viewportRect.width;
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final normalizedY =
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(event.localPosition.dy - viewportRect.top) /
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viewportRect.height;
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widget.wolf3d.input.queueMenuTap(
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x: normalizedX,
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y: normalizedY,
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);
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}
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},
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onPointerUp: widget.wolf3d.input.onPointerUp,
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onPointerMove: widget.wolf3d.input.onPointerMove,
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onPointerHover: widget.wolf3d.input.onPointerMove,
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child: Stack(
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children: [
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// Keep both renderers behind the same engine so mode switching does
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// not reset level state or audio playback.
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_useAsciiMode
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? WolfAsciiRenderer(engine: _engine)
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: WolfFlutterRenderer(engine: _engine),
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if (!_engine.isInitialized)
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Container(
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color: Colors.black,
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child: const Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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CircularProgressIndicator(color: Colors.teal),
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SizedBox(height: 20),
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Text(
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"GET PSYCHED!",
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style: TextStyle(
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color: Colors.teal,
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fontFamily: 'monospace',
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),
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),
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],
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),
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),
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],
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),
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// Tab toggles the renderer implementation for quick visual debugging.
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Focus(
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autofocus: true,
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onKeyEvent: (node, event) {
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if (event is KeyDownEvent &&
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event.logicalKey == LogicalKeyboardKey.tab) {
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setState(() => _useAsciiMode = !_useAsciiMode);
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return KeyEventResult.handled;
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}
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return KeyEventResult.ignored;
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},
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child: const SizedBox.shrink(),
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),
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),
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),
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// Tab toggles the renderer implementation for quick visual debugging.
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Focus(
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autofocus: true,
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onKeyEvent: (node, event) {
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if (event is KeyDownEvent &&
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event.logicalKey == LogicalKeyboardKey.tab) {
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setState(() => _useAsciiMode = !_useAsciiMode);
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return KeyEventResult.handled;
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}
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return KeyEventResult.ignored;
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},
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child: const SizedBox.shrink(),
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),
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// A second full-screen overlay keeps the presentation simple while
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// the engine is still warming up or decoding the first frame.
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if (!_engine.isInitialized)
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Container(
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color: Colors.black,
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child: const Center(
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child: CircularProgressIndicator(color: Colors.teal),
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),
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),
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// A second full-screen overlay keeps the presentation simple while
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// the engine is still warming up or decoding the first frame.
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if (!_engine.isInitialized)
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Container(
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color: Colors.black,
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child: const Center(
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child: CircularProgressIndicator(color: Colors.teal),
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),
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Positioned(
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top: 16,
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right: 16,
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child: Text(
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'TAB: Swap Renderer',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.5),
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),
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),
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),
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],
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),
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Positioned(
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top: 16,
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right: 16,
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child: Text(
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'TAB: Swap Renderer',
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style: TextStyle(color: Colors.white.withValues(alpha: 0.5)),
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),
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),
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],
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);
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},
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),
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),
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);
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}
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Rect _menuViewportRect(Size availableSize) {
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if (availableSize.width <= 0 || availableSize.height <= 0) {
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return Rect.zero;
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}
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const double aspect = 4 / 3;
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final double outerPadding = _useAsciiMode ? 0.0 : 16.0;
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final double maxWidth = (availableSize.width - (outerPadding * 2)).clamp(
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1.0,
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double.infinity,
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);
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final double maxHeight = (availableSize.height - (outerPadding * 2)).clamp(
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1.0,
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double.infinity,
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);
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double viewportWidth = maxWidth;
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double viewportHeight = viewportWidth / aspect;
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if (viewportHeight > maxHeight) {
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viewportHeight = maxHeight;
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viewportWidth = viewportHeight * aspect;
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}
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final double left = (availableSize.width - viewportWidth) / 2;
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final double top = (availableSize.height - viewportHeight) / 2;
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return Rect.fromLTWH(left, top, viewportWidth, viewportHeight);
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}
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}
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