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R10646/student/lib/Cellulo.dart
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Cellulo.dart
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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'dart:async';
import 'dart:ffi'; // For FFI
import 'dart:io'; // For Platform.isX
class Cellulo extends StatefulWidget {
Cellulo({Key key}) : super(key: key);
@override
_CelluloState createState() => _CelluloState();
}
class _CelluloState extends State<Cellulo> with SingleTickerProviderStateMixin {
static const platformMethodChannel =
const MethodChannel('heartbeat.fritz.ai/native');
int robot = -1;
bool colorset = false;
bool velocityset = false;
Future<Null> _managePower() async {
print(totalRobots());
int _robot = newRobotfromPool();
print(_robot);
setState(() {
robot = _robot;
});
}
Future<Null> _setColor() async {
if (robot != -1) {
colorset = !colorset;
if (colorset)
setVisualEffect(robot, 0, 255, 0, 0, 0);
else
setVisualEffect(robot, 0, 0, 0, 0, 0);
}
}
Future<Null> _setVelocity() async {
if (robot != -1) {
velocityset = !velocityset;
if (velocityset)
setGoalVelocity(robot, 100, 0, 0);
else
setGoalVelocity(robot, 0, 0, 0);
}
}
@override
void initState() {
initialize();
super.initState();
///
/// Ask to be notified when messages related to the game
/// are sent by the server
///
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Cellulo Game'),
),
backgroundColor: Colors.white,
body: Container(
color: Colors.teal,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
Padding(
padding:
const EdgeInsets.only(left: 8.0, right: 8.0, top: 102.0),
child: Center(
child: FlatButton.icon(
icon: Icon(
Icons.power_settings_new,
size: 100,
),
label: Text('pool : ${totalRobots()} robots '),
textColor: Colors.white,
onPressed: _managePower,
),
),
),
Padding(
padding:
const EdgeInsets.only(left: 8.0, right: 8.0, top: 50.0),
child: Center(
child: FlatButton.icon(
icon: Icon(
Icons.power_settings_new,
size: 100,
),
label: Text('Set color to $robot'),
textColor: Colors.white,
onPressed: _setColor,
),
),
),
Padding(
padding:
const EdgeInsets.only(left: 8.0, right: 8.0, top: 50.0),
child: Center(
child: FlatButton.icon(
icon: Icon(
Icons.power_settings_new,
size: 100,
),
label: Text('Set velocity to $robot'),
textColor: Colors.white,
onPressed: _setVelocity,
),
),
)
],
),
));
}
}
final DynamicLibrary nativeAddLib = Platform.isAndroid
? DynamicLibrary.open("libnative_add.so")
: DynamicLibrary.process();
final DynamicLibrary nativeCellulolib = Platform.isAndroid
? DynamicLibrary.open("libcellulo-library.so")
: DynamicLibrary.process();
final int Function(int x, int y) nativeAdd = nativeAddLib
.lookup<NativeFunction<Int32 Function(Int32, Int32)>>("native_add")
.asFunction();
final int Function(int x, int y) nativeAddCellulo = nativeCellulolib
.lookup<NativeFunction<Int32 Function(Int32, Int32)>>("test_native_add")
.asFunction();
final int Function() initialize = nativeCellulolib
.lookup<NativeFunction<Int32 Function()>>("initialize")
.asFunction();
final int Function() newRobotfromPool = nativeCellulolib
.lookup<NativeFunction<Int64 Function()>>("newRobotFromPool")
.asFunction();
final void Function(int robot, int effect, int r, int g, int b, int value)
setVisualEffect = nativeCellulolib
.lookup<
NativeFunction<
Void Function(Int64 robot, Int64 effect, Int64 r, Int64 g,
Int64 b, Int64 value)>>("setVisualEffect")
.asFunction();
//setGoalVelocity(int64_t robot, float vx, float vy, float w)
final void Function(int robot, double vx, double vy, double w) setGoalVelocity =
nativeCellulolib
.lookup<
NativeFunction<
Void Function(Int64 robot, Float vx, Float vy,
Float w)>>("setGoalVelocity")
.asFunction();
final int Function() totalRobots = nativeCellulolib
.lookup<NativeFunction<Int64 Function()>>("totalRobots")
.asFunction();
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