private Volume LargestVolume_Iterate(CoordinateInt origin, bool allowInvisible)
{
Volume largestVolume = new Volume();
int maxX = 0;
while (SearchAllBlocks(origin.Offset(maxX, 0, 0), allowInvisible))
{
maxX++;
}
int maxY = 0;
while (SearchAllBlocks(origin.Offset(0, maxY, 0), allowInvisible))
{
maxY++;
}
int maxZ = 0;
while (SearchAllBlocks(origin.Offset(0, 0, maxZ), allowInvisible))
{
maxZ++;
}
for (int extentZ = maxZ; extentZ >= 0; extentZ--)
{
for (int extentY = maxY; extentY >= 0; extentY--)
{
for (int extentX = maxX; extentX >= 0; extentX--)
{
int lengthX = extentX + 1;
int lengthY = extentY + 1;
int lengthZ = extentZ + 1;
/* Don't bother considering this volume if it won't get used. */
if (lengthX * lengthY * lengthZ <= largestVolume.TotalVolume)
{
continue;
}
if (LargestVolume_Valid(origin, lengthX, lengthY, lengthZ, allowInvisible))
{
int totalVolume = lengthX * lengthY * lengthZ;
if (totalVolume >= largestVolume.TotalVolume)
{
largestVolume = new Volume(origin, lengthX, lengthY, lengthZ);
}
}
//else
// break;
}
}
}
return(largestVolume);
}
private static bool ObstructedScanYZ(CoordinateInt coord, int offsetX, int height, int length, HashSet<CoordinateInt> blockCheck)
{
for (int dY = 0; dY < height; dY++)
for (int dZ = 0; dZ < length; dZ++)
if (!blockCheck.Contains(coord.Offset(offsetX, dY, dZ))) return false;
totalHiddenFaces++;
return true;
}
private static bool ObstructedScanXZ(CoordinateInt coord, int width, int offsetY, int length, HashSet<CoordinateInt> blockCheck)
{
for (int dX = 0; dX < width; dX++)
for (int dZ = 0; dZ < length; dZ++)
if (!blockCheck.Contains(coord.Offset(dX, offsetY, dZ))) return false;
totalHiddenFaces++;
return true;
}
private static bool ObstructedScanXY(CoordinateInt coord, int width, int height, int offsetZ, HashSet<CoordinateInt> blockCheck)
{
for (int dX = 0; dX < width; dX++)
for (int dY = 0; dY < height; dY++)
if (!blockCheck.Contains(coord.Offset(dX, dY, offsetZ))) return false;
totalHiddenFaces++;
return true;
}
private static bool ObstructedScanXY(CoordinateInt coord, int width, int height, int offsetZ, HashSet <CoordinateInt> blockCheck)
{
for (int dX = 0; dX < width; dX++)
{
for (int dY = 0; dY < height; dY++)
{
if (!blockCheck.Contains(coord.Offset(dX, dY, offsetZ)))
{
return(false);
}
}
}
totalHiddenFaces++;
return(true);
}
private static bool ObstructedScanYZ(CoordinateInt coord, int offsetX, int height, int length, HashSet <CoordinateInt> blockCheck)
{
for (int dY = 0; dY < height; dY++)
{
for (int dZ = 0; dZ < length; dZ++)
{
if (!blockCheck.Contains(coord.Offset(offsetX, dY, dZ)))
{
return(false);
}
}
}
totalHiddenFaces++;
return(true);
}
private static bool ObstructedScanXZ(CoordinateInt coord, int width, int offsetY, int length, HashSet <CoordinateInt> blockCheck)
{
for (int dX = 0; dX < width; dX++)
{
for (int dZ = 0; dZ < length; dZ++)
{
if (!blockCheck.Contains(coord.Offset(dX, offsetY, dZ)))
{
return(false);
}
}
}
totalHiddenFaces++;
return(true);
}
private static bool IsInvisible(CoordinateInt coord, Dictionary<CoordinateInt, Block> rawWorld)
{
bool isInvisible =
OpaqueBrickAt(coord.Offset(-1, 0, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(1, 0, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, -1, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, 1, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, 0, -1), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, 0, 1), rawWorld);
return isInvisible;
}
private bool LargestVolume_Valid(CoordinateInt coord, int lengthX, int lengthY, int lengthZ, bool allowInvisible)
{
for (int gZ = lengthZ - 1; gZ >= 0; gZ--)
{
for (int gY = lengthY - 1; gY >= 0; gY--)
{
for (int gX = lengthX - 1; gX >= 0; gX--)
{
if (!SearchAllBlocks(coord.Offset(gX, gY, gZ), allowInvisible))
{
return(false);
}
}
}
}
return(true);
}
private static bool IsInvisible(CoordinateInt coord, Dictionary <CoordinateInt, Block> rawWorld)
{
bool isInvisible =
OpaqueBrickAt(coord.Offset(-1, 0, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(1, 0, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, -1, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, 1, 0), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, 0, -1), rawWorld) &&
OpaqueBrickAt(coord.Offset(0, 0, 1), rawWorld);
return(isInvisible);
}