public void StartApplication()
{
if (NearestApp == null)
{
Task.Run(() =>
{
SQLite.Net.Interop.ISQLitePlatform platform;
platform = new SQLite.Net.Platform.XamarinAndroid.SQLitePlatformAndroid();
string[] prefs =
{
Settings.UomDistance.ToString(),
Settings.UomDistanceThreshold.ToString(),
Settings.UomTime.ToString(),
Settings.UomTimeThreshold.ToString()
};
NearestApp = new Nearest(platform, new Utility(), prefs);
});
}
else
{
Report("Using existing NearestApp instance. Setting next trains", 0);
}
if (lastKnown != null && NearestApp != null)
{
GetTrainModels(lastKnown);
Report("StartApplication => GetTrainModels", 0);
}
SetNextTrains("Start Application...");
}
public void GetTrains(Nearest NearestApp)
{
try
{
IsBusy = true;
var i = 0;
foreach (var directionList in stopList)
{
List <Stop> stops = NearestApp.GetNearestStopsAll(
double.Parse(latitude), double.Parse(longitude), i
);
Update(i, stops);
i++;
}
}
finally
{
IsBusy = false;
}
}
// 分类运算
private void classifyButton_Click(object sender, EventArgs e)
{
//前提检验
if (SelectedPCXHelper.GetSelPCXFromLB().Count == 0 || SelectedPCXHelper.GetUnselPCXList().Count == 0)
{
MessageBox.Show(this, "您还未提取样本特征，或者还未设置测试样本集！", "提示信息", MessageBoxButtons.OK);
}
else
{
string correctRate = null; //正确率
string myfilepath = filepathText.Text.ToString();
Features feature;
#region 这里做一个文件名为unknown.pcx的判断
string filename = FeatureHelper.GetUnknownName(myfilepath);
if (filename.ToLower().Equals("unknown"))
{
feature = new Features(myfilepath);
}
else
{
int classID = Convert.ToInt32(FeatureHelper.GetUpperFoldername(myfilepath));
feature = new Features(myfilepath, classID);
}
#endregion
#region Bayes分类法
if (rbBayes.Checked)
{
#region 数据初始化
CheckInit();
double correctCount = 0.0;
#endregion
IList sampleList = FeatureHelper.GetFeaturesList(); //获取原始训练样本
//从降维器获取降维后的新样本
IList newSampleList = MDAHelper.GetMDSampleList();
MVHelper.SetSampleList((ArrayList)newSampleList);
Bayes bayes = Bayes.GetInstance();
bayes.TrainSampleList = newSampleList; //向贝叶斯分类器注入降维后的训练样本
//int classID = Convert.ToInt32(FeatureHelper.GetUpperFoldername(myfilepath));
//Features feature = new Features(myfilepath, classID);
feature = MDAHelper.MDSample(feature); //测试样本降维
int testClassID = bayes.DecisionFunction(feature); //用贝叶斯决策进行测试样本分类
//结果显示
lblunknownclassify.Text = testClassID.ToString("000");
if (feature.classID == testClassID)
{
lblerrorinfo.Text = "Bayes分类法分类正确";
lblerrorinfo.ForeColor = Color.Green;
}
//unknown.pcx处理
else if (feature.classID == -1)
{
}
else
{
lblerrorinfo.Text = "Bayes分类法分类失败";
lblerrorinfo.ForeColor = Color.Green;
}
}
#endregion
#region Kn近邻法
if (rbKn.Checked)
{
#region 相关数据初始化
CheckInit();
int testResult = -1;
double correctCount = 0.0;
int kvalue = Constant.kvalue;
#endregion
#region 效的情况下进行计算
if (KCheck(kvalue))
{
KnNear my_knearest = new KnNear();
//int classID = Convert.ToInt32(FeatureHelper.GetUpperFoldername(myfilepath));
//Features currfeature = new Features(myfilepath, classID);
testResult = my_knearest.DoK_nearest(feature, FeatureHelper.GetFeaturesList(), kvalue);
//testResult为K近邻的分类结果
// 其实testResult的结果直接就是result求的值
string result = testResult.ToString("000");
lblunknownclassify.Text = result;
result = ResultConvert(result);
int testID = Convert.ToInt32(result);
if (testID > 0 && testID == feature.classID)
{
//correctRate = "分类正确率： " + Constant.kn_Rate;
lblerrorinfo.Text = "Kn近邻法分类正确";
lblerrorinfo.ForeColor = Color.Green;
}
//unknown.pcx处理
else if (feature.classID == -1)
{
}
else
{
lblerrorinfo.Text = "Kn近邻法分类失败！";
lblerrorinfo.ForeColor = Color.Green;
}
}
#endregion
}
#endregion
#region 最近邻法
if (rbnearest.Checked)
{
#region 初始化
CheckInit();
int testResult = -1;
double correctCount = 0.0;
#endregion
#region 最近邻分类
if (NearestCheck())
{
Nearest nearest = new Nearest();
//int classID = Convert.ToInt32(FeatureHelper.GetUpperFoldername(myfilepath));
//Features currfeature = new Features(myfilepath, classID);
testResult = nearest.Do_Nearest(feature, FeatureHelper.GetFeaturesList());
string result = testResult.ToString("000");
lblunknownclassify.Text = result;
if (testResult > 0 && testResult == feature.classID)
{
lblerrorinfo.Text = "最近邻法分类正确";
lblerrorinfo.ForeColor = Color.Green;
}
//unknown.pcx处理
else if (feature.classID == -1)
{
}
else
{
lblerrorinfo.Text = "最近邻法分类失败！";
lblerrorinfo.ForeColor = Color.Green;
}
}
#endregion
}
#endregion
}
}
// 获取Dataset数据
public DataSet GetViewDS(out double ccount, out double crate, out int count)
{
#region 数据初始化
double correctCount = 0;
double correctRate = 0.0;
int testResult = 0;
Nearest nearest = new Nearest();
IList testSampleList = FeatureHelper.GetTestFeaturesList(); //获取原始测试
#endregion
#region DataGridView操作
dgv_result.DataSource = null;
dgv_result.Rows.Clear();
dgv_result.Refresh();
DataSet ds = new DataSet();
DataTable dt = new DataTable();
dt.Columns.Add("样本路径", typeof(string));
dt.Columns.Add("样本类", typeof(string));
dt.Columns.Add("样本测试结果类", typeof(string));
dt.Columns.Add("正误判断", typeof(string));
foreach (Features feature in testSampleList)
{
testResult = nearest.Do_Nearest(feature, FeatureHelper.GetFeaturesList());
if (testResult > 0)
{
DataRow row = dt.NewRow();
string rightOrWrong = "×";
row[0] = feature.Filepath;
row[1] = feature.classID;
row[2] = string.Format("类{0}", testResult);
//检查结果是否正确
if (testResult == feature.classID)
{
correctCount++;
row[3] = " ";
}
else
{
row[3] = rightOrWrong;
//this.knDataGridView.DefaultCellStyle.ForeColor = Color.Red;
}
dt.Rows.Add(row);
}
}
ds.Tables.Add(dt);
//this.dgv_result.DataSource = ds.Tables[0];
//SetControlPropertyValue(dgv_result, "DataSource", ds.Tables[0]);
#endregion
#region Kn近邻法性能显示
//correctRate = (correctCount / Convert.ToDouble(testSampleList.Count)) * 100.0;
//Constant.kn_Rate = correctRate.ToString("0.000") + "%";
//lbl_result.Text = "测试样本总数 " + testSampleList.Count + " ，Kn近邻法判断正确 "
// + correctCount + " 个，正确率为：" + Constant.kn_Rate;
#endregion
ccount = correctCount;
crate = correctRate;
count = testSampleList.Count;
return(ds);
}
public static bool Build(Unit player, Vec2Double target, Game game, Strategy strategy, Nearest nearest)
{
if (target.X > player.Position.X && game.Level.Tiles[(int)(player.Position.X + 1)][(int)(player.Position.Y)] == Tile.Wall)
{
return(true);
}
if (target.X < player.Position.X && game.Level.Tiles[(int)(player.Position.X - 1)][(int)(player.Position.Y)] == Tile.Wall)
{
return(true);
}
if (strategy.Type == StrategyType.Kill && player.UnderPlatform(game.Level.Tiles) == true)
{
return(true);
}
if (strategy.Type == StrategyType.Kill && player.OnLadder(game.Level.Tiles) && nearest.Enemy.Value.OnLadder(game.Level.Tiles) && target.Y - player.Position.Y > 5)
{
return(true);
}
return(strategy.Type != StrategyType.Kill && target.Y > player.Position.Y);
}
protected override void OnStop()
{
base.OnStop();
NearestApp?.DestroyDatabase();
NearestApp = null;
}
protected override EnvShooter.Action GetAction()
{
color = Color.Orange;
action.right = action.left = action.up = action.down = false;
action.charge = false;
if (Keyboard.GetState().IsKeyDown(Keys.E))
{
}
#region determine state
#region gather bullet data
Vector2 dist;
Vector2 distToEnemy = enemies[0].Pos - Pos;
float dToEnemy = distToEnemy.Length();
Nearest <Bullet> nearestFriendlyBullet = new Nearest <Bullet>();
Nearest <Bullet> nearestEvilBullet = new Nearest <Bullet>();
Nearest <Bullet> nearestEvilBulletFocus = new Nearest <Bullet>();
for (int i = 0; i < env.Bullets.Length; i++)
{
dist = env.Bullets[i].Pos - Pos;
float d = dist.Length();
if (env.Bullets[i].Collectible)
{
//float danger = Raycast(env.Bullets[i].Pos, env.Bullets[i].Velocity);
nearestFriendlyBullet.SetIfNearer(d, env.Bullets[i]);
}
else
{
float maxFriendlyBulletSpeed = 0.3f;
if (d < EnvShooter.Bot.RADIUS + Bullet.RADIUS + SPEED * 2f)
{
nearestEvilBullet.SetIfNearer(d, env.Bullets[i]);
}
else if (d > 3f && env.Bullets[i].Velocity.Length() < maxFriendlyBulletSpeed) // 0.1f is neutralize speed
{
float v = env.Bullets[i].Velocity.Length();
v -= 0.1f;
v /= maxFriendlyBulletSpeed - 0.1f;
nearestFriendlyBullet.SetIfNearer(d * (1f + v), env.Bullets[i]);
}
if (d < dangerDist)
{
float dot = Vector2.Dot(-Vector2.Normalize(env.Bullets[i].Pos - Vector2.Normalize(env.Bullets[i].Velocity) * 1f - Pos), env.Bullets[i].Velocity);
if (dot > 0f)
{
float projection = Vector2.Dot(dist, Vector2.Normalize(new Vector2(-env.Bullets[i].Velocity.Y, env.Bullets[i].Velocity.X)));
if (Math.Abs(projection) < RADIUS + Bullet.RADIUS + 0.1f * 2f) // check if it will hit eventually (also consider, that he will move in this direction (*2f)
{
//color = Color.Red;
nearestEvilBulletFocus.SetIfNearer(d, env.Bullets[i]);
}
}
}
}
}
#endregion
State s = state;
if (nearestEvilBulletFocus.Available() || nearestEvilBullet.Available())// if attacking bullet near
{
state = State.EvadeBullet;
}
else if (enemies[0].Charge > 0 && dToEnemy < dangerDist && Charge < 1f && (Health <0.5f || enemies[0].Health> 0.25f)) // && dToEnemy - RADIUS * 1.5f < (1f - enemies[0].Charge) / EnvShooter.Bot.CHARGESPEED * SPEED * 0.75f)
{
if (dToEnemy - RADIUS * 1.5f < (1f - enemies[0].Charge) / EnvShooter.Bot.CHARGESPEED * SPEED * 0.75f) // 0.75f because he can only walk in 8 directions
{
state = State.FleeInsideEnemy;
}
else
{
state = State.Flee;
}
}
else if (nearestFriendlyBullet.Available() && nearestFriendlyBullet.dist < dToEnemy * 0.5f) // bullet to collect near
{
state = State.CollectBullets;
}
else if (enemies[0].Ammo == 0 && Ammo > 0)
{
state = State.TerrorizeNoob;
}
else if (Ammo == 0 && enemies[0].Ammo > 0)
{
state = State.Flee;
}
else if (Ammo > 0)
{
state = State.Attack;
}
else if (nearestFriendlyBullet.Available())
{
state = State.CollectBullets;
}
else
{
state = State.Flee;
}
//if (s != state)
// Console.WriteLine(env.Frame + " " + state);
#endregion
#region general
if (dToEnemy < chargeDist)
{
if (enemies[0].Charge == 0 || Charge > 0.2f) // only charge if you already started, or if your enemy isn't charging
{
action.charge = true;
}
float distFraction = 0.75f;
if (enemies[0].Charge >= 1f)
{
distFraction = 0.9f;
}
else if (enemies[0].Charge > 0f)
{
distFraction = 1f;
}
if (Charge >= 1f && dToEnemy < chargeDist * distFraction && OutsideOfEnemy(dToEnemy - 0.5f)) // 0.5f for shooting distance
{
action.charge = false;
}
}
#endregion
switch (state)
{
case State.EvadeBullet:
if (nearestEvilBulletFocus.Available())
{
dist = nearestEvilBulletFocus.obj.Pos - Pos;
Vector2 evade = new Vector2(-dist.Y, dist.X);
Vector2 nVelocity = new Vector2(-nearestEvilBulletFocus.obj.Velocity.Y, nearestEvilBulletFocus.obj.Velocity.X);
if (Vector2.Dot(nVelocity, dist) < 0)
{
evade = -evade;
}
VelocityToAction(ref action, evade);
// stop charging in order to evade
if (action.charge && (Charge > 0.7f || Charge < 0.2f))
{
action.charge = false;
}
}
else
{
VelocityToAction(ref action, Pos - nearestEvilBullet.obj.Pos);
}
break;
case State.CollectBullets:
VelocityToAction(ref action, nearestFriendlyBullet.obj.Pos - Pos);
break;
case State.TerrorizeNoob:
if (OutsideOfEnemy(dToEnemy - 1f))
{
VelocityToAction(ref action, distToEnemy);
}
else
{
VelocityToAction(ref action, -distToEnemy);
}
break;
case State.FleeInsideEnemy:
VelocityToActionExact(ref action, distToEnemy);
break;
case State.Flee:
Vector2 center = new Vector2(env.Width, env.Height) / 2f;
float distToCenter = Vector2.Distance(center, Pos);
distToCenter /= env.Width / 2f - 1f - RADIUS; // 0 - 1 (max distance to center in x OR y direction)
if (distToCenter > 0.9f)
{
//TODO: check in which direction to go
Vector2 a = Pos - center;
Vector2 b = enemies[0].Pos - center;
b = new Vector2(-b.Y, b.X);
a.Normalize();
b.Normalize();
float dot = Vector2.Dot(a, b);
if (Math.Abs(dot) > 0.01f)
{
if (dot < 0f)
{
VelocityToAction(ref action, new Vector2(-distToEnemy.Y, distToEnemy.X));
}
else
{
VelocityToAction(ref action, new Vector2(distToEnemy.Y, -distToEnemy.X));
}
}
}
else
{
VelocityToAction(ref action, -distToEnemy);
}
break;
case State.Attack:
if (dToEnemy > chargeDist * 0.7f)
{
VelocityToAction(ref action, distToEnemy);
}
else
{
VelocityToAction(ref action, -distToEnemy);
}
break;
}
if (!action.charge)
{
action.aim = (float)Math.Atan2(distToEnemy.Y, distToEnemy.X);
float definitiveDistMax = chargeDist * 0.5f;
if (dToEnemy < definitiveDistMax)
{
Vector2 enemyBorderDist = enemies[0].Pos + Vector2.Normalize(new Vector2(-distToEnemy.Y, distToEnemy.X)) * EnvShooter.Bot.RADIUS;
enemyBorderDist = enemyBorderDist - Pos;
float maxAngle = (float)Math.Atan2(enemyBorderDist.Y, enemyBorderDist.X);
float angleDist1 = action.aim - maxAngle;
float angleDist2 = action.aim + MathHelper.TwoPi;
if (Math.Abs(angleDist2) < Math.Abs(angleDist1))
{
angleDist1 = angleDist2;
}
angleDist1 *= 0.8f; // just in case the evasion of the enemy is very good
float min = RADIUS + Bullet.RADIUS + 0.5f + 0.5f;
float max = definitiveDistMax;
float d = dToEnemy;
d -= min;
d /= max - min;
action.aim += angleDist1 * (1f - d);//(float)Math.Pow((1f - (dToEnemy / definitiveDistMax)) * 2f, 0.5f) * angleDist1;
}
}
if (!action.charge && Charge == 0f && rand.Next(60 * 5) == 0)
{
action.charge = true;
}
//Loop
//action.right = action.left = action.up = action.down = false;
//float border = 1f / 4f;
//bool wall = false;
//if (Pos.X < env.Width * border)
// action.right = true;
//if (Pos.X > env.Width * (1 - border))
// action.left = true;
//if (Pos.Y < env.Height * border)
// action.down = true;
//if (Pos.Y > env.Height * (1 - border))
// action.up = true;
//if (action.right || action.left || action.up || action.down)
// wall = true;
//Vector2 enemyPos = enemies[0].Pos;
//Vector2 dist = enemyPos - Pos;
//if (enemies.Any(f => f.Ammo == 0) || Vector2.Distance(enemies[0].Pos, Pos) < 6f || env.Frame > 5 * 60 )
//{
// action.charge = true;
//}
//if (Charge >= 1f)
//{
// if (rand.Next(300) == 0 || enemies[0].Charge > 0 || Vector2.Distance(enemies[0].Pos, Pos) < 5f)
// action.charge = false;
//}
//Bullet nearestFriendly = null;
//float nearestFriendlyDist = -1f;
//Bullet nearestEnemy = null;
//float nearestEnemyDist = -1f;
//bool bulletEvasion = false;
//bool anyFriendly = env.Bullets.Any(f => f.Collectible);
//for (int i = 0; i < env.Bullets.Length; i++)
//{
// dist = env.Bullets[i].Pos - Pos;
// float d = dist.Length();
// if (nearestFriendlyDist != -2 && env.Bullets[i].Collectible)
// {
// float danger = Raycast(env.Bullets[i].Pos, env.Bullets[i].Velocity);
// if (nearestFriendlyDist == -1f || danger > nearestFriendlyDist)//d < nearestFriendlyDist)
// {
// nearestFriendlyDist = d;
// nearestFriendly = env.Bullets[i];
// }
// }
// else
// {
// //if (d < 1f)
// if (d < 2f)
// {
// if (nearestEnemyDist == -1f || d < nearestEnemyDist)
// {
// nearestEnemyDist = d;
// nearestEnemy = env.Bullets[i];
// }
// }
// else if (!anyFriendly && d > 3f)
// {
// if (nearestFriendlyDist == -1f || d < nearestFriendlyDist)
// {
// nearestFriendlyDist = d;
// nearestFriendly = env.Bullets[i];
// }
// }
// if (Vector2.Dot(-dist, env.Bullets[i].Velocity) > 1)
// {
// nearestFriendlyDist = -2f;
// nearestFriendly = null;
// Vector2 evade = new Vector2(-dist.Y, dist.X);
// Vector2 nVelocity = new Vector2(-env.Bullets[i].Velocity.Y, env.Bullets[i].Velocity.X);
// if (Vector2.Dot(nVelocity, dist) < 0)
// evade = -evade;
// VelocityToAction(ref action, evade);
// bulletEvasion = true;
// if (Charge > 0.7f)
// action.charge = false;
// break;
// }
// }
//}
//bool wallSlide = false;
//if (!bulletEvasion && env.Bullets.Length == 0 && Ammo == 0)
//{
// // emergency mode! -> evasion extreme
// action.left = action.right = action.up = action.down = false;
// if (Pos.X < env.Width * border)
// action.right = true;
// if (Pos.X > env.Width * (1 - border))
// action.left = true;
// if (Pos.Y < env.Height * border)
// action.down = true;
// if (Pos.Y > env.Height * (1 - border))
// action.up = true;
// bool u = action.up;
// action.up = action.right;
// action.right = action.down;
// action.down = action.left;
// action.left = u;
// Vector2 dir = new Vector2(action.up ? -1f : action.down ? 1f : 0, action.right ? 1f : action.left ? -1f : 0f);
// if (rand.Next(60) == 0 && reverseDir != Vector2.Dot(dir, enemies[0].Pos - Pos) > 0f)
// reverseDir = !reverseDir;
// if (reverseDir)
// {
// bool a = action.up;
// action.up = action.down;
// action.down = a;
// a = action.right;
// action.right = action.left;
// action.left = a;
// }
// /*
// if (action.right)
// {
// if (action.up)
// action.left = true;
// else
// action.up = true;
// }
// if (Pos.Y > env.Height * (1 - border))
// action.right = true;
// else if (Pos.Y < env.Height * border)
// action.left = true;
// else if (Pos.X > env.Width * (1 - border))
// action.up = true;
// else if (Pos.X < env.Width * border)
// action.down = true;*/
// if (action.right || action.left || action.up || action.down)
// wallSlide = true;
//}
//if (!wallSlide)
//{
// float noobDist = -1f;
// if (!bulletEvasion)
// {
// EnvShooter.Bot nearestBot = null;
// EnvShooter.Bot nearestNoob = null;
// float botDist = -1f;
// for (int i = 0; i < enemies.Length; i++)
// {
// float d = (Pos - enemies[i].Pos).Length();
// if (enemies[i].Ammo > 0)
// {
// if ((d < 10f || (enemies[i].Charge > 0 && d < 15f)) && (botDist == -1f || d < botDist))
// {
// nearestBot = enemies[i];
// botDist = d;
// }
// }
// else if (Ammo > 0)
// {
// //// aggro
// //if (noobDist == -1f || (d < noobDist && d > 2f))
// //{
// // noobDist = d;
// // nearestNoob = enemies[i];
// //}
// }
// }
// if (nearestBot != null)
// {
// VelocityToAction(ref action, Pos - nearestBot.Pos);
// }
// else if (nearestNoob != null)
// {
// VelocityToAction(ref action, nearestNoob.Pos - Pos);
// }
// }
// // collect bullets
// if (noobDist == -1f && nearestFriendly != null)
// {
// dist = nearestFriendly.Pos - Pos;
// VelocityToAction(ref action, dist);
// }
//}
//if (!bulletEvasion && nearestEnemy != null)
//{
// VelocityToAction(ref action, Pos - nearestEnemy.Pos);
//}
return(action);
}