void GenerateGrid()
{
ClearGrid();
if (FreezeObjectsArea.Instances.Count != 0)
{
//init grid
{
Bounds bounds = Bounds.Cleared;
foreach (FreezeObjectsArea area in FreezeObjectsArea.Instances)
{
bounds.Add(area.MapBounds);
}
if (bounds.GetSize().X < 1)
{
bounds.Expand(new Vec3(1, 0, 0));
}
if (bounds.GetSize().Y < 1)
{
bounds.Expand(new Vec3(0, 1, 0));
}
if (bounds.GetSize().Z < 1)
{
bounds.Expand(new Vec3(0, 0, 1));
}
gridStartPosition = bounds.Minimum;
gridCellSize = bounds.GetSize() / cellCount.ToVec3();
for (int n = 0; n < 3; n++)
{
if (gridCellSize[n] < cellMinSize[n])
{
gridCellSize[n] = cellMinSize[n];
}
}
gridCellSizeInv = 1.0f / gridCellSize;
grid = new GridItem[cellCount.X, cellCount.Y, cellCount.Z];
}
//fill areas
GridAreasIndexByListOfAreasKey comparer = new GridAreasIndexByListOfAreasKey();
Dictionary <FreezeObjectsArea[], int> gridAreasIndexByListOfAreas = new Dictionary <FreezeObjectsArea[], int>(comparer);
List <FreezeObjectsArea> gridAreasList = new List <FreezeObjectsArea>();
foreach (FreezeObjectsArea area in FreezeObjectsArea.Instances)
{
Box box = area.GetBox();
Bounds bounds = box.ToBounds();
Vec3I startIndex = GetCellIndexWithoutClamp(bounds.Minimum);
Vec3I endIndex = GetCellIndexWithoutClamp(bounds.Maximum);
ClampCellIndex(ref startIndex);
ClampCellIndex(ref endIndex);
for (int z = startIndex.Z; z <= endIndex.Z; z++)
{
for (int y = startIndex.Y; y <= endIndex.Y; y++)
{
for (int x = startIndex.X; x <= endIndex.X; x++)
{
Vec3I cellIndex = new Vec3I(x, y, z);
Bounds cellBounds = GetCellBounds(cellIndex);
if (box.IsIntersectsBounds(cellBounds))
{
GridItem item = grid[cellIndex.X, cellIndex.Y, cellIndex.Z];
FreezeObjectsArea[] array = new FreezeObjectsArea[item.count + 1];
for (int n = 0; n < item.count; n++)
{
array[n] = gridAreas[item.startIndex + n];
}
array[array.Length - 1] = area;
int gridAreasIndex;
if (!gridAreasIndexByListOfAreas.TryGetValue(array, out gridAreasIndex))
{
gridAreasIndex = gridAreasList.Count;
gridAreasIndexByListOfAreas.Add(array, gridAreasIndex);
gridAreasList.AddRange(array);
}
item.startIndex = gridAreasIndex;
item.count = array.Length;
grid[cellIndex.X, cellIndex.Y, cellIndex.Z] = item;
}
}
}
}
gridAreas = gridAreasList.ToArray();
}
}
}
bool CalculateFrozenState(MapObject obj)
{
if (!IsReallyEnabled())
{
return(false);
}
if (obj._FreezeObjectsManagerNeverFreeze)
{
return(false);
}
//check by camera distance
{
Camera camera = RendererWorld.Instance.DefaultCamera;
if (unfreezeByCameraZDistance != 0)
{
float length2 = (camera.Position.ToVec2() - obj.Position.ToVec2()).Length();
if (length2 < unfreezeByCameraDistance)
{
return(false);
}
float lengthZ = Math.Abs(camera.Position.Z - obj.Position.Z);
if (lengthZ < unfreezeByCameraZDistance)
{
return(false);
}
}
else
{
float length = (camera.Position - obj.Position).Length();
if (length < unfreezeByCameraDistance)
{
return(false);
}
}
}
//check by areas
if (grid != null)
{
Vec3 indexF = (obj.Position - gridStartPosition) * gridCellSizeInv;
Vec3I index = indexF.ToVec3I();
if (index.X >= 0 && index.Y >= 0 && index.Z >= 0 && index.X < cellCount.X && index.Y < cellCount.Y && index.Z < cellCount.Z)
{
GridItem item = grid[index.X, index.Y, index.Z];
for (int n = 0; n < item.count; n++)
{
FreezeObjectsArea area = gridAreas[n + item.startIndex];
bool unfreezing;
area._UpdateLastCheckState(out unfreezing);
if (unfreezing)
{
return(false);
}
}
}
}
return(true);
}