/// <summary>
/// Tries to add the block, but skips the CanAddBlock test.
/// </summary>
private bool AddBlock(BlockPosition position, BlockInfo info, byte rotation)
{
if (info is SingleBlockInfo single)
{
_blocks.Add(position, BlockFactory.MakeSinglePlaced(transform, single, rotation, position));
}
else
{
PlacedMultiBlockParent parent = BlockFactory.MakeMultiPlaced(transform, (MultiBlockInfo)info,
rotation, position, out PlacedMultiBlockPart[] parts);
if (parent == null)
{
return(false);
}
_blocks.Add(position, parent);
foreach (PlacedMultiBlockPart part in parts)
{
_blocks.Add(part.Position, part);
}
}
RealBlockCount++;
if (info.Type == BlockType.Mainframe)
{
_mainframePosition = position;
}
else if (SystemFactory.IsAnySystem(info.Type))
{
if (SystemFactory.IsActiveSystem(info.Type))
{
_activeSystemPresent = true;
}
else
{
WeaponSystem.Type weaponType = SystemFactory.GetWeaponType(info.Type);
if (weaponType != WeaponSystem.Type.None)
{
_weaponType = weaponType; //may or may not be first time set
_weaponCount++;
}
}
}
return(true);
}
private void RemoveBlock(IPlacedBlock block)
{
RealBlockCount--;
if (block.Position.Equals(_mainframePosition))
{
_mainframePosition = null;
}
else if (SystemFactory.IsActiveSystem(block.Type))
{
_activeSystemPresent = false;
}
else if (SystemFactory.GetWeaponType(block.Type) != WeaponSystem.Type.None)
{
if (--_weaponCount == 0)
{
_weaponType = WeaponSystem.Type.None;
}
}
PlacedSingleBlock single = block as PlacedSingleBlock;
if (single != null)
{
Destroy(single.gameObject);
_blocks.Remove(single.Position);
return;
}
PlacedMultiBlockParent parent = block as PlacedMultiBlockParent;
if (parent == null)
{
parent = ((PlacedMultiBlockPart)block).Parent;
}
Destroy(parent.gameObject);
Assert.IsTrue(_blocks.Remove(parent.Position), "The parent of the multi block is not present.");
foreach (PlacedMultiBlockPart part in parent.Parts)
{
Assert.IsTrue(_blocks.Remove(part.Position), "A part of the multi block is not present.");
}
}
/// <summary>
/// Determines whether the block can be added checking whether a block is already
/// present at the position and whether this new block can connect to another block.
/// </summary>
public bool CanAddBlock(BlockPosition position, BlockInfo info, byte rotation)
{
if (info.Type == BlockType.Mainframe)
{
if (_mainframePosition != null)
{
return(false);
}
}
else if (SystemFactory.IsAnySystem(info.Type))
{
if (SystemFactory.IsActiveSystem(info.Type))
{
if (_activeSystemPresent)
{
return(false);
}
}
else
{
WeaponSystem.Type weaponType = SystemFactory.GetWeaponType(info.Type);
if (weaponType != WeaponSystem.Type.None && weaponType != _weaponType && _weaponType != WeaponSystem.Type.None)
{
return(false);
}
}
}
if (info is SingleBlockInfo single)
{
return(!_blocks.ContainsKey(position) &&
CanConnect(position, Rotation.RotateSides(single.ConnectSides, rotation)));
}
else
{
return(((MultiBlockInfo)info).GetRotatedPositions(position, rotation,
out KeyValuePair <BlockPosition, BlockSides>[] positions) &&
!positions.Any(pair => _blocks.ContainsKey(pair.Key)) &&
positions.Any(pair => CanConnect(pair.Key, pair.Value)));
}
}