public void Initialize(ref MyBlockBuildArea area, MyCubeBlockDefinition definition)
{
m_definition = definition;
m_orientation = new MyBlockOrientation(area.OrientationForward, area.OrientationUp);
m_posInGrid = area.PosInGrid;
m_blockMin = area.BlockMin;
m_blockMax = area.BlockMax;
m_stepDelta = area.StepDelta;
m_lookup.Clear();
}
public static void CheckAreaConnectivity(MyCubeGrid grid, ref MyBlockBuildArea area, List<Vector3UByte> validOffsets, HashSet<Vector3UByte> resultFailList)
{
try
{
var definition = MyDefinitionManager.Static.GetCubeBlockDefinition(area.DefinitionId) as MyCubeBlockDefinition;
if (definition == null)
{
Debug.Fail("Block definition not found");
return;
}
Quaternion orientation = Base6Directions.GetOrientation(area.OrientationForward, area.OrientationUp);
Vector3I stepDir = area.StepDelta;
var mountPoints = definition.GetBuildProgressModelMountPoints(MyComponentStack.NewBlockIntegrity);
// Step 1: Add blocks which are connected directly to existing grid
for (int i = validOffsets.Count - 1; i >= 0; i--)
{
Vector3I center = area.PosInGrid + validOffsets[i] * stepDir;
if (MyCubeGrid.CheckConnectivity(grid, definition, mountPoints, ref orientation, ref center))
{
m_tmpAreaMountpointPass.Add(validOffsets[i]);
validOffsets.RemoveAtFast(i);
}
}
// Step 2: Add remaining blocks which are connected to any newly added block
m_areaOverlapTest.Initialize(ref area, definition);
foreach (var block in m_tmpAreaMountpointPass) m_areaOverlapTest.AddBlock(block);
int prevCount = int.MaxValue;
while (validOffsets.Count > 0 && validOffsets.Count < prevCount)
{
prevCount = validOffsets.Count;
for (int i = validOffsets.Count - 1; i >= 0; i--)
{
Vector3I center = area.PosInGrid + validOffsets[i] * stepDir;
if (MyCubeGrid.CheckConnectivity(m_areaOverlapTest, definition, mountPoints, ref orientation, ref center))
{
m_tmpAreaMountpointPass.Add(validOffsets[i]);
m_areaOverlapTest.AddBlock(validOffsets[i]);
validOffsets.RemoveAtFast(i);
}
}
}
// Step 3: Remaining blocks failed
foreach (var item in validOffsets)
{
resultFailList.Add(item);
}
validOffsets.Clear();
validOffsets.AddHashset(m_tmpAreaMountpointPass);
}
finally
{
m_tmpAreaMountpointPass.Clear();
}
}
