//-1:无效ID; 0:首点ID; 正数:末点ID
public static Tuple<int, int> GetPointIDPairFromFeature(
IFeature feature,
IPoint point,
double radius,
EnumSelectMode selectMode)
{
if (feature == null)
return new Tuple<int, int>(-1, -1);
IGeometry Geometry = feature.Shape;
IPointCollection PointCollection = Geometry as IPointCollection;
int pointCount = PointCollection.PointCount; //几何点集个数
IPoint pt0 = PointCollection.get_Point(0); //首点
IPoint ptn = PointCollection.get_Point(pointCount - 1); //末点
double s0 = GetDistance2P(point, pt0); //首点到目标点距离
double sn = GetDistance2P(point, ptn); //末点到目标点距离
bool bChanged0 = false; //首点是否符合移动条件
bool bChangedn = false; //末点是否符合移动条件
switch (selectMode)
{
//1 最近点
case EnumSelectMode.MostNearOne:
bChanged0 = (s0 < sn) && (s0 < radius);
bChangedn = (!(s0 < sn)) && (sn < radius);
break;
//2 第一点
case EnumSelectMode.OnlyFirst:
bChanged0 = (s0 < radius);
break;
//3 最后点
case EnumSelectMode.OnlyLast:
bChangedn = (sn < radius);
break;
//4 两端点
case EnumSelectMode.BothFirstAndLast:
bChanged0 = (s0 < radius);
bChangedn = (sn < radius);
break;
}
int item1 = bChanged0 ? 0 : -1;
int item2 = bChangedn ? pointCount - 1 : -1;
return new Tuple<int, int>(item1, item2);
}
public static async Task RepositionCardsAsync(this PlayerCollection <LifeCardGamePlayerItem> thisList, LifeCardGameMainGameClass mainGame, LifeCardGameGameContainer gameContainer, LifeCardGameVMData model)
{
bool rets;
rets = model.CurrentPile !.PileEmpty();
LifeCardGameCardInformation?thisCard = null;
EnumSelectMode thisMode = EnumSelectMode.ChoosePlayer; // must prove its card
if (rets == false)
{
thisCard = model.CurrentPile.GetCardInfo();
if (thisCard.Action == EnumAction.Lawsuit && mainGame.OtherTurn > 0)
{
thisMode = EnumSelectMode.ChooseCard;
}
else if (thisCard.Action == EnumAction.DonateToCharity && mainGame.OtherTurn > 0)
{
thisMode = EnumSelectMode.ChooseCard;
}
else if (thisCard.Action == EnumAction.CareerSwap || thisCard.Action == EnumAction.MovingHouse || thisCard.Action == EnumAction.YourStory || thisCard.Action == EnumAction.SecondChance || thisCard.Action == EnumAction.AdoptBaby || thisCard.Action == EnumAction.LongLostRelative || thisCard.Action == EnumAction.MixUpAtVets)
{
thisMode = EnumSelectMode.ChooseCard;
}
}
if (thisMode == EnumSelectMode.ChoosePlayer)
{
if (gameContainer.CloseOtherScreenAsync != null)
{
await gameContainer.CloseOtherScreenAsync();
}
}
else
{
if (thisCard !.Action == EnumAction.Lawsuit)
{
model.OtherText = "Give Card"; // lawsuit is larger than second chance
}
public void UpdateSelectMode(EnumSelectMode selectMod)
{
m_SelectMod = selectMod;
}
private void FeatureSelectWhenMouseUp(IPoint pointCenter, IPoint pointMouseUp, EnumSelectMode selectMode)
{
//选择个数过多，放弃选择
if (GlobeStatus.Map.SelectionCount > GlobeStatus.Setting.MaxFeaturesSelect)
{
//GlobeStatus.Map.ClearSelection();
MessageBox.Show("Too many features selected");
return;
}
double currentRadius = FunctionCommon.GetDistance2P(m_PointCentre, pointMouseUp);
ISelection pSelection = GlobeStatus.Map.FeatureSelection;
IEnumFeatureSetup pEnumFeatureSetup = pSelection as IEnumFeatureSetup;
IEnumFeature pRnumFeature = pEnumFeatureSetup as IEnumFeature;
pRnumFeature.Reset();
IFeature pFeature = pRnumFeature.Next();
GlobeStatus.WorkspaceEdit.StartEditOperation();
while (pFeature != null)
{
if (pFeature.Shape.GeometryType != esriGeometryType.esriGeometryPolyline)
{
pFeature = pRnumFeature.Next();
continue;
}
string FeatureLayerName = FunctionCommon.GetLayerNameFromFeature(pFeature);
if (!(GlobeStatus.CheckedPolyLines.Contains(FeatureLayerName)))
{
pFeature = pRnumFeature.Next();
continue;
}
Tuple<int, int> PointIDPair = FunctionCommon.GetPointIDPairFromFeature(pFeature, pointCenter, currentRadius, selectMode);
IPointCollection pPointCollection = pFeature.Shape as IPointCollection; //图形几何点集
if (PointIDPair.Item1 ==0 || PointIDPair.Item2 > 0)
{
if (PointIDPair.Item1 ==0)
pPointCollection.UpdatePoint(0, pointCenter);
if (PointIDPair.Item2 > 0)
pPointCollection.UpdatePoint(PointIDPair.Item2, pointCenter);
pFeature.Shape = (IGeometry)pPointCollection;
pFeature.Store();
}
pFeature = pRnumFeature.Next();
}
GlobeStatus.WorkspaceEdit.StopEditOperation();
}
private void FeatureSelectWhenMouseMove(IPoint pointCentre, IPoint pointMouseMoveTo, EnumSelectMode SelectMode)
{
double currentRadius = FunctionCommon.GetDistance2P(m_PointCentre, pointMouseMoveTo);
//1 选择半径太大，不响应
if (currentRadius > GlobeStatus.Setting.PixelMaxRadius * GlobeStatus.MapUnit)
{
return;
}
//2 变化距离太小，不响应
double distanceChange = currentRadius - m_LastRadius;
if (Math.Abs(distanceChange) < GlobeStatus.Setting.PixelRadiusChangeLimit * GlobeStatus.MapUnit)
{
return;
}
//3 开始选择
IGeometry pGeometry = FunctionCommon.GetCircleGeometry(m_PointCentre, currentRadius);
ISelectionEnvironment env = new SelectionEnvironmentClass();
env.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
GlobeStatus.Map.SelectByShape(pGeometry, env, false);
}
