public void SetBlockMaskAt(SegmentLocation segmentLocation, BlockMask blockMask)
{
if (IsLocationInRange(segmentLocation))
{
// can't place block on obstructed air as its an item!
if (GetBlockMaskAt(segmentLocation) == BlockHelper.BlockMasks.AirBlocked)
{
return;
}
// can't delete block with item above it!
if (blockMask == BlockHelper.BlockMasks.Air)
{
if (GetBlockMaskAt(segmentLocation.TranslateAndClone(new Vector3(0, 1, 0))) ==
BlockHelper.BlockMasks.AirBlocked)
{
return;
}
}
GetRenderSegmentAt(segmentLocation).Blocks[
segmentLocation.BlockX, segmentLocation.RenderSegmentBlockMaskIndex, segmentLocation.BlockZ] =
blockMask;
// Mark all around it as dirty.
SetLocationDirty(segmentLocation);
SetLocationDirty(segmentLocation.TranslateAndClone(WorldDirection.Up));
SetLocationDirty(segmentLocation.TranslateAndClone(WorldDirection.Down));
SetLocationDirty(segmentLocation.TranslateAndClone(WorldDirection.North));
SetLocationDirty(segmentLocation.TranslateAndClone(WorldDirection.East));
SetLocationDirty(segmentLocation.TranslateAndClone(WorldDirection.South));
SetLocationDirty(segmentLocation.TranslateAndClone(WorldDirection.West));
}
}
public void SetLocationPassable(SegmentLocation segmentLocation)
{
if (IsLocationInRange(segmentLocation))
{
RemoveFlagAt(segmentLocation, BlockMask.IsObstacle);
}
}
public void SetLocationObstructed(SegmentLocation segmentLocation)
{
if (IsLocationInRange(segmentLocation))
{
SetFlagAt(segmentLocation, BlockMask.IsObstacle);
}
}
public void SetLocationDirty(SegmentLocation segmentLocation)
{
if (IsLocationInRange(segmentLocation))
{
GetRenderSegmentAt(segmentLocation).Dirty = true;
}
}
public void RemoveFlagAt(SegmentLocation segmentLocation, BlockMask flag)
{
if (IsLocationInRange(segmentLocation))
{
SetBlockMaskAt(segmentLocation, GetBlockMaskAt(segmentLocation) & ~flag);
}
}
// GETS
public Segment GetSegmentAt(SegmentLocation segmentLocation)
{
if (IsLocationInRange(segmentLocation))
{
return(Segments[segmentLocation.SegmentX, segmentLocation.SegmentZ]);
}
return(_nullSegment);
}
public bool DoesLocationObscureDirection(SegmentLocation segmentLocation, Vector3 direction)
{
if (IsLocationInRange(segmentLocation))
{
return(BlockHelper.DoesBlockMaskObscureFromDirection(GetBlockMaskAt(segmentLocation), direction));
}
return(false);
}
public bool IsLocationObstructed(SegmentLocation segmentLocation)
{
if (IsLocationInRange(segmentLocation))
{
return(BlockHelper.IsBlockAnObstacle(GetBlockMaskAt(segmentLocation)));
}
return(true);
}
public BlockMask GetBlockMaskAt(SegmentLocation segmentLocation)
{
if (IsLocationInRange(segmentLocation))
{
return
(GetRenderSegmentAt(segmentLocation).Blocks[
segmentLocation.BlockX, segmentLocation.RenderSegmentBlockMaskIndex, segmentLocation.BlockZ]);
}
return(BlockHelper.BlockMasks.Null);
}
// QUERIES
public bool IsLocationBlockedExcludeItems(SegmentLocation segmentLocation)
{
if (GetBlockMaskAt(segmentLocation) == BlockHelper.BlockMasks.AirBlocked)
{
return(false);
}
else
{
return(IsLocationObstructed(segmentLocation));
}
}
public bool IsLocationInRange(SegmentLocation segmentLocation)
{
if (segmentLocation.WorldLocation.X < 0 || segmentLocation.WorldLocation.Y < 0 ||
segmentLocation.WorldLocation.Z < 0)
{
return(false);
}
if (segmentLocation.WorldLocation.X >= Segments.GetLength(0) * WorldGlobal.RenderSegmentSize.X ||
segmentLocation.WorldLocation.Z >= Segments.GetLength(1) * WorldGlobal.RenderSegmentSize.Z ||
segmentLocation.WorldLocation.Y >= WorldGlobal.SegmentSize.Y)
{
return(false);
}
return(true);
}
public bool IsLocationWalkable(SegmentLocation segmentLocation)
{
if (IsLocationInRange(segmentLocation))
{
if (IsLocationObstructed(segmentLocation))
{
return(false);
}
BlockMask blockBelow = GetBlockMaskAt(segmentLocation.TranslateAndClone(WorldDirection.Down));
if (BlockHelper.IsBlock(blockBelow) || BlockHelper.HasTopRamp(blockBelow))
{
return(true);
}
}
return(false);
}
// SETS
public void ClearItemsObstacleFlag(SegmentLocation segmentLocation)
{
GetRenderSegmentAt(segmentLocation).Blocks[
segmentLocation.BlockX, segmentLocation.RenderSegmentBlockMaskIndex, segmentLocation.BlockZ] =
BlockHelper.BlockMasks.Air;
}
public SegmentRender GetRenderSegmentAt(SegmentLocation segmentLocation)
{
return(GetSegmentAt(segmentLocation).RenderSegments[segmentLocation.RenderSegmentIndex]);
}