public GridBlockCollection GetBlocksAroundLine(Vector3 startPoint, Vector3 endPoint)
{
GridBlockCollection gridBlockCollection = new GridBlockCollection(false);
Vector3 currentPoint = startPoint;
Vector3 direction = Vector3.Normalize(endPoint - startPoint);
Single originalDistance = Vector3.Distance(currentPoint, endPoint);
while (Vector3.Distance(startPoint, currentPoint) < originalDistance)
{
GridBlock block = GetBlockByLocation(currentPoint.X, currentPoint.Y);
if (block != null && !gridBlockCollection.Contains(block))
{
gridBlockCollection.Add(block);
}
currentPoint += direction;
}
for (Int32 i = gridBlockCollection.Count - 1; i >= 0; i--)
{
GridBlock block = gridBlockCollection[i];
if (block == null)
{
continue;
}
if (block.ContainerBox == null)
{
continue;
}
if (block.ContainerBox.LineInBox(startPoint, endPoint))
{
continue;
}
gridBlockCollection.RemoveAt(i);
}
return(gridBlockCollection);
}
private void LoadGrid(Boolean isServer)
{
using (FileStream gridBuffer = new FileStream(GridFilename, FileMode.Open, FileAccess.Read))
{
for (Int32 i = 1; i <= 16384; i++)
{
Int32 pos = 0;
Int32 blockX = (Int32)System.Math.Floor((i - 1f) % 128f) * 64;
Int32 blockY = (Int32)System.Math.Floor((i - 1f) / 128f) * 64;
Byte[] gridBytes = new Byte[38];
gridBuffer.Read(gridBytes, 0, 38);
GridBlock block = new GridBlock(i, blockX, blockY)
{
Unknown0 = BitConverter.ToInt16(gridBytes, 0),
LowBoxTopMod = BitConverter.ToInt16(gridBytes, pos += 2),
LowSidesTextureId = BitConverter.ToInt16(gridBytes, pos += 2),
LowTopTextureId = BitConverter.ToInt16(gridBytes, pos += 2),
HighTextureId = BitConverter.ToInt16(gridBytes, pos += 2),
LowBoxTopZ = BitConverter.ToInt16(gridBytes, pos += 2),
MidBoxBottomZ = BitConverter.ToInt16(gridBytes, pos += 2),
MidBoxTopZ = BitConverter.ToInt16(gridBytes, pos += 2),
LowTileId = BitConverter.ToInt16(gridBytes, pos += 2),
HighBoxBottomZ = BitConverter.ToInt16(gridBytes, pos += 2),
BlockFlags = BitConverter.ToInt16(gridBytes, pos += 2),
LowTopShape = (GridBlockShape)BitConverter.ToInt16(gridBytes, pos += 2),
MidBottomShape = (GridBlockShape)BitConverter.ToInt16(gridBytes, pos += 2),
MidSidesTextureId = BitConverter.ToInt16(gridBytes, pos += 2),
MidTopTextureId = BitConverter.ToInt16(gridBytes, pos += 2),
CeilingTextureId = BitConverter.ToInt16(gridBytes, pos += 2),
Unknown16 = BitConverter.ToInt16(gridBytes, pos += 2),
Unknown17 = BitConverter.ToInt16(gridBytes, pos += 2),
Unknown18 = BitConverter.ToInt16(gridBytes, pos)
};
if (isServer)
{
if (block.LowBoxTopMod != 0)
{
GridBlocks[i - 1].LowBoxTopZ -= block.LowBoxTopMod;
}
}
Int32 locX1 = (Int32)System.Math.Floor((i - 1f) % 128f) * 64;
Int32 locY1 = (Int32)System.Math.Floor((i - 1f) / 128f) * 64;
block.ContainerBox = new OrientedBoundingBox(new Vector3(locX1, locY1, -1024), new Vector3(64, 64, 2048), 0.0f);
block.LowBox = new OrientedBoundingBox(new Vector3(locX1, locY1, -1024), new Vector3(64, 64, 1024 + block.LowBoxTopZ), 0.0f);
block.MidBox = new OrientedBoundingBox(new Vector3(locX1, locY1, block.MidBoxBottomZ), new Vector3(64, 64, block.MidBoxTopZ - block.MidBoxBottomZ), 0.0f);
if (block.HasSkybox)
{
block.HighBox = new OrientedBoundingBox(new Vector3(locX1, locY1, block.HighBoxBottomZ + 17), new Vector3(64, 64, block.MidBoxTopZ - block.HighBoxBottomZ), 0.0f);
}
else
{
block.HighBox = new OrientedBoundingBox(new Vector3(locX1, locY1, block.HighBoxBottomZ + 17), new Vector3(64, 64, block.MidBoxTopZ), 0.0f);
}
if (block.LowTileId > 0)
{
block.LowBoxTile = new Tile(block.LowTileId);
foreach (TileBlock tileBlock in Tiles[block.LowTileId].TileBlocks)
{
block.LowBoxTile.TileBlocks.Add(new TileBlock(tileBlock.TopHeight, tileBlock.BottomHeight, tileBlock.Index));
}
for (Int32 y = 0; y < 8; y++)
{
for (Int32 x = 0; x < 8; x++)
{
TileBlock tileBlock = block.LowBoxTile.TileBlocks[(y * 8) + x];
Single x1 = 0f, y1 = 0f, z1 = 0f;
if (tileBlock.BottomHeight > 0 || tileBlock.TopHeight > 0)
{
x1 = block.LowBox.Location.X + (8 * x);
y1 = block.LowBox.Location.Y + (8 * y);
z1 = block.LowBoxTopZ;
}
if (tileBlock.TopHeight > 0)
{
tileBlock.TopBoundingBox = new OrientedBoundingBox(new Vector3(x1, y1, z1 - tileBlock.TopHeight + 128), new Vector3(8f, 8f, tileBlock.TopHeight), 0);
}
if (tileBlock.BottomHeight > 0)
{
tileBlock.BottomBoundingBox = new OrientedBoundingBox(new Vector3(x1, y1, z1), new Vector3(8f, 8f, tileBlock.BottomHeight), 0);
}
}
}
}
GridBlocks.Add(block);
}
gridBuffer.Seek(4, SeekOrigin.Current);
for (Int32 i = 1; i <= 997; i++)
{
Int32 pos = 0;
Byte[] gridBytes = new Byte[16];
gridBuffer.Read(gridBytes, 0, 16);
GridObject obj = new GridObject
{
ObjectId = BitConverter.ToInt32(gridBytes, 0),
X = BitConverter.ToInt32(gridBytes, pos += 4),
Y = BitConverter.ToInt32(gridBytes, pos += 4),
Z = BitConverter.ToInt32(gridBytes, pos + 4)
};
GridObjects.Add(obj);
}
}
}
