private bool ExpandZ(ChunkBlocks blocks, ref bool[] mask, Block block, int x1, int y1, int x2, int y2, ref int z2)
{
int sizeWithPadding = sideSize + Env.CHUNK_PADDING_2;
int sizeWithPaddingPow2 = sizeWithPadding * sizeWithPadding;
int yOffset = sizeWithPaddingPow2 - x2 + x1;
int index0 = Helpers.GetChunkIndex1DFrom3D(x1, y1, z2, pow);
// Check the quad formed by XY axes and try to expand the Z axis
int index = index0;
for (int y = y1; y < y2; ++y, index += yOffset)
{
for (int x = x1; x < x2; ++x, ++index)
{
if (mask[index] || !CanCreateBox(block, blocks.GetBlock(index)))
{
return(false);
}
}
}
// If the box can expand, mark the position as tested and expand the X axis
index = index0;
for (int y = y1; y < y2; ++y, index += yOffset)
{
for (int x = x1; x < x2; ++x, ++index)
{
mask[index] = true;
}
}
++z2;
return(true);
}
protected override void BuildBox(Chunk chunk, Block block, int minX, int minY, int minZ, int maxX, int maxY, int maxZ)
{
// Order of vertices when building faces:
// 1--2
// | |
// | |
// 0--3
int sizeWithPadding = sideSize + Env.CHUNK_PADDING_2;
int sizeWithPaddingPow2 = sizeWithPadding * sizeWithPadding;
LocalPools pools = Globals.WorkPool.GetPool(chunk.ThreadID);
ChunkBlocks blocks = chunk.Blocks;
Chunk[] listeners = chunk.Neighbors;
// Custom blocks have their own rules
if (block.custom)
{
for (int yy = minY; yy < maxY; yy++)
{
for (int zz = minZ; zz < maxZ; zz++)
{
for (int xx = minX; xx < maxX; xx++)
{
Vector3Int pos = new Vector3Int(xx, yy, zz);
block.BuildBlock(chunk, ref pos, block.renderMaterialID);
}
}
}
return;
}
int n, w, h, l, k, maskIndex;
Vector3Int texturePos = new Vector3Int(minX, minY, minZ);
Vector3[] face = pools.vector3ArrayPool.PopExact(4);
BlockFace[] mask = pools.blockFaceArrayPool.PopExact(sideSize * sideSize);
#region Top face
if (listeners[(int)Direction.up] != null ||
// Don't render faces on world's edges for chunks with no neighbor
(SideMask & Side.up) == 0 ||
maxY != sideSize)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// z axis - height
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(minX, maxY, minZ, pow);
int zOffset = sizeWithPadding - maxX + minX;
// Build the mask
for (int zz = minZ; zz < maxZ; ++zz, neighborIndex += zOffset)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++neighborIndex)
{
int currentIndex = neighborIndex - sizeWithPaddingPow2; // (xx, maxY-1, zz);
Block neighborBlock = blocks.GetBlock(neighborIndex);
// Let's see whether we can merge faces
if (block.CanBuildFaceWith(neighborBlock))
{
mask[n] = new BlockFace
{
block = block,
pos = texturePos,
side = Direction.up,
light = BlockUtils.CalculateColors(chunk, currentIndex, Direction.up),
materialID = block.renderMaterialID
};
}
}
}
// Build faces from the mask if it's possible
for (int zz = minZ; zz < maxZ; ++zz)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n].block == null)
{
++xx;
++n;
continue;
}
// Compute width and height
w = 1;
h = 1;
// Build the face
bool rotated = mask[n].light.FaceRotationNecessary;
if (!rotated)
{
face[0] = new Vector3(xx, maxY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][0];
face[1] = new Vector3(xx, maxY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][1];
face[2] = new Vector3(xx + w, maxY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][2];
face[3] = new Vector3(xx + w, maxY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][3];
}
else
{
face[0] = new Vector3(xx, maxY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][1];
face[1] = new Vector3(xx + w, maxY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][2];
face[2] = new Vector3(xx + w, maxY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][3];
face[3] = new Vector3(xx, maxY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][0];
}
block.BuildFace(chunk, face, Palette, ref mask[n], rotated);
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = new BlockFace();
}
}
xx += w;
n += w;
}
}
}
#endregion
#region Bottom face
if (listeners[(int)Direction.down] != null ||
// Don't render faces on world's edges for chunks with no neighbor
(SideMask & Side.down) == 0 ||
minY != 0)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// z axis - height
int currentIndex = Helpers.GetChunkIndex1DFrom3D(minX, minY, minZ, pow);
int zOffset = sizeWithPadding - maxX + minX;
// Build the mask
for (int zz = minZ; zz < maxZ; ++zz, currentIndex += zOffset)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++currentIndex)
{
int neighborIndex = currentIndex - sizeWithPaddingPow2;
Block neighborBlock = blocks.GetBlock(neighborIndex);
// Let's see whether we can merge faces
if (block.CanBuildFaceWith(neighborBlock))
{
mask[n] = new BlockFace
{
block = block,
pos = texturePos,
side = Direction.down,
light = BlockUtils.CalculateColors(chunk, currentIndex, Direction.down),
materialID = block.renderMaterialID
};
}
}
}
// Build faces from the mask if it's possible
for (int zz = minZ; zz < maxZ; ++zz)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n].block == null)
{
++xx;
++n;
continue;
}
// Compute width and height
w = 1;
h = 1;
// Build the face
bool rotated = mask[n].light.FaceRotationNecessary;
if (!rotated)
{
face[0] = new Vector3(xx, minY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][0];
face[1] = new Vector3(xx, minY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][1];
face[2] = new Vector3(xx + w, minY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][2];
face[3] = new Vector3(xx + w, minY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][3];
}
else
{
face[0] = new Vector3(xx, minY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][1];
face[1] = new Vector3(xx + w, minY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][2];
face[2] = new Vector3(xx + w, minY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][3];
face[3] = new Vector3(xx, minY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][0];
}
block.BuildFace(chunk, face, Palette, ref mask[n], rotated);
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = new BlockFace();
}
}
xx += w;
n += w;
}
}
}
#endregion
#region Right face
if (listeners[(int)Direction.east] != null ||
// Don't render faces on world's edges for chunks with no neighbor
(SideMask & Side.east) == 0 ||
maxX != sideSize)
{
Array.Clear(mask, 0, mask.Length);
// y axis - height
// z axis - width
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(maxX, minY, minZ, pow);
int yOffset = sizeWithPaddingPow2 - (maxZ - minZ) * sizeWithPadding;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, neighborIndex += yOffset)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ; ++zz, ++n, neighborIndex += sizeWithPadding)
{
int currentIndex = neighborIndex - 1;
Block neighborBlock = blocks.GetBlock(neighborIndex);
// Let's see whether we can merge faces
if (block.CanBuildFaceWith(neighborBlock))
{
mask[n] = new BlockFace
{
block = block,
pos = texturePos,
side = Direction.east,
light = BlockUtils.CalculateColors(chunk, currentIndex, Direction.east),
materialID = block.renderMaterialID
};
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ;)
{
if (mask[n].block == null)
{
++zz;
++n;
continue;
}
// Compute width and height
w = 1;
h = 1;
// Build the face
bool rotated = mask[n].light.FaceRotationNecessary;
if (!rotated)
{
face[0] = new Vector3(maxX, yy, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][0];
face[1] = new Vector3(maxX, yy + h, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][1];
face[2] = new Vector3(maxX, yy + h, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][2];
face[3] = new Vector3(maxX, yy, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][3];
}
else
{
face[0] = new Vector3(maxX, yy + h, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][1];
face[1] = new Vector3(maxX, yy + h, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][2];
face[2] = new Vector3(maxX, yy, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][3];
face[3] = new Vector3(maxX, yy, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][0];
}
block.BuildFace(chunk, face, Palette, ref mask[n], rotated);
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = new BlockFace();
}
}
zz += w;
n += w;
}
}
}
#endregion
#region Left face
if (listeners[(int)Direction.west] != null ||
// Don't render faces on world's edges for chunks with no neighbor
(SideMask & Side.west) == 0 ||
minX != 0)
{
Array.Clear(mask, 0, mask.Length);
// y axis - height
// z axis - width
int currentIndex = Helpers.GetChunkIndex1DFrom3D(minX, minY, minZ, pow);
int yOffset = sizeWithPaddingPow2 - (maxZ - minZ) * sizeWithPadding;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, currentIndex += yOffset)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ; ++zz, ++n, currentIndex += sizeWithPadding)
{
int neighborIndex = currentIndex - 1;
Block neighborBlock = blocks.GetBlock(neighborIndex);
// Let's see whether we can merge faces
if (block.CanBuildFaceWith(neighborBlock))
{
mask[n] = new BlockFace
{
block = block,
pos = texturePos,
side = Direction.west,
light = BlockUtils.CalculateColors(chunk, currentIndex, Direction.west),
materialID = block.renderMaterialID
};
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ;)
{
if (mask[n].block == null)
{
++zz;
++n;
continue;
}
// Compute width and height
w = 1;
h = 1;
// Build the face
bool rotated = mask[n].light.FaceRotationNecessary;
if (!rotated)
{
face[0] = new Vector3(minX, yy, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][0];
face[1] = new Vector3(minX, yy + h, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][1];
face[2] = new Vector3(minX, yy + h, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][2];
face[3] = new Vector3(minX, yy, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][3];
}
else
{
face[0] = new Vector3(minX, yy + h, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][1];
face[1] = new Vector3(minX, yy + h, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][2];
face[2] = new Vector3(minX, yy, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][3];
face[3] = new Vector3(minX, yy, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][0];
}
block.BuildFace(chunk, face, Palette, ref mask[n], rotated);
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = new BlockFace();
}
}
zz += w;
n += w;
}
}
}
#endregion
#region Front face
if (listeners[(int)Direction.north] != null ||
// Don't render faces on world's edges for chunks with no neighbor
(SideMask & Side.north) == 0 ||
maxZ != sideSize)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// y axis - height
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(minX, minY, maxZ, pow);
int yOffset = sizeWithPaddingPow2 - maxX + minX;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, neighborIndex += yOffset)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++neighborIndex)
{
int currentIndex = neighborIndex - sizeWithPadding;
Block neighborBlock = blocks.GetBlock(neighborIndex);
// Let's see whether we can merge faces
if (block.CanBuildFaceWith(neighborBlock))
{
mask[n] = new BlockFace
{
block = block,
pos = texturePos,
side = Direction.north,
light = BlockUtils.CalculateColors(chunk, currentIndex, Direction.north),
materialID = block.renderMaterialID
};
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n].block == null)
{
++xx;
++n;
continue;
}
// Compute width and height
w = 1;
h = 1;
// Build the face
bool rotated = mask[n].light.FaceRotationNecessary;
if (!rotated)
{
face[0] = new Vector3(xx, yy, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][0];
face[1] = new Vector3(xx, yy + h, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][1];
face[2] = new Vector3(xx + w, yy + h, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][2];
face[3] = new Vector3(xx + w, yy, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][3];
}
else
{
face[0] = new Vector3(xx, yy + h, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][1];
face[1] = new Vector3(xx + w, yy + h, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][2];
face[2] = new Vector3(xx + w, yy, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][3];
face[3] = new Vector3(xx, yy, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][0];
}
block.BuildFace(chunk, face, Palette, ref mask[n], rotated);
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = new BlockFace();
}
}
xx += w;
n += w;
}
}
}
#endregion
#region Back face
if (listeners[(int)Direction.south] != null ||
// Don't render faces on world's edges for chunks with no neighbor
(SideMask & Side.south) == 0 ||
minZ != 0)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// y axis - height
int currentIndex = Helpers.GetChunkIndex1DFrom3D(minX, minY, minZ, pow);
int yOffset = sizeWithPaddingPow2 - maxX + minX;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, currentIndex += yOffset)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++currentIndex)
{
int neighborIndex = currentIndex - sizeWithPadding;
Block neighborBlock = blocks.GetBlock(neighborIndex);
// Let's see whether we can merge faces
if (block.CanBuildFaceWith(neighborBlock))
{
mask[n] = new BlockFace
{
block = block,
pos = texturePos,
side = Direction.south,
light = BlockUtils.CalculateColors(chunk, currentIndex, Direction.south),
materialID = block.renderMaterialID
};
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n].block == null)
{
++xx;
++n;
continue;
}
// Compute width and height
w = 1;
h = 1;
// Build the face
bool rotated = mask[n].light.FaceRotationNecessary;
if (!rotated)
{
face[0] = new Vector3(xx, yy, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][0];
face[1] = new Vector3(xx, yy + h, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][1];
face[2] = new Vector3(xx + w, yy + h, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][2];
face[3] = new Vector3(xx + w, yy, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][3];
}
else
{
face[0] = new Vector3(xx, yy + h, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][1];
face[1] = new Vector3(xx + w, yy + h, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][2];
face[2] = new Vector3(xx + w, yy, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][3];
face[3] = new Vector3(xx, yy, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][0];
}
block.BuildFace(chunk, face, Palette, ref mask[n], rotated);
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = new BlockFace();
}
}
xx += w;
n += w;
}
}
}
#endregion
pools.blockFaceArrayPool.Push(mask);
pools.vector3ArrayPool.Push(face);
}
public override void Build(Chunk chunk, out int minBounds, out int maxBounds)
{
ChunkBlocks blocks = chunk.Blocks;
LocalPools pools = Globals.WorkPool.GetPool(chunk.ThreadID);
int sizeWithPadding = sideSize + Env.CHUNK_PADDING_2;
int sizeWithPaddingPow2 = sizeWithPadding * sizeWithPadding;
int sizeWithPaddingPow3 = sizeWithPaddingPow2 * sizeWithPadding;
bool[] mask = pools.boolArrayPool.PopExact(sizeWithPaddingPow3);
Array.Clear(mask, 0, mask.Length);
// This compression is essentialy RLE. However, instead of working on 1 axis
// it works in 3 dimensions.
int index = Env.CHUNK_PADDING + (Env.CHUNK_PADDING << pow) + (Env.CHUNK_PADDING << (pow << 1));
int yOffset = sizeWithPaddingPow2 - sideSize * sizeWithPadding;
int zOffset = sizeWithPadding - sideSize;
int minX = sideSize;
int minY = sideSize;
int minZ = sideSize;
int maxX = 0;
int maxY = 0;
int maxZ = 0;
for (int y = 0; y < sideSize; ++y, index += yOffset)
{
for (int z = 0; z < sideSize; ++z, index += zOffset)
{
for (int x = 0; x < sideSize; ++x, ++index)
{
// Skip already checked blocks
if (mask[index])
{
continue;
}
mask[index] = true;
Block block = blocks.GetBlock(index);
// Skip blocks we're not interested in right away
if (!CanConsiderBlock(block))
{
continue;
}
int x1 = x, y1 = y, z1 = z, x2 = x + 1, y2 = y + 1, z2 = z + 1;
bool expandX = true;
bool expandY = true;
bool expandZ = true;
bool expand;
// Try to expand our box in all axes
do
{
expand = false;
if (expandY)
{
expandY = y2 < sideSize && ExpandY(blocks, ref mask, block, x1, z1, x2, ref y2, z2);
expand = expandY;
}
if (expandZ)
{
expandZ = z2 < sideSize && ExpandZ(blocks, ref mask, block, x1, y1, x2, y2, ref z2);
expand |= expandZ;
}
if (expandX)
{
expandX = x2 < sideSize && ExpandX(blocks, ref mask, block, y1, z1, ref x2, y2, z2);
expand |= expandX;
}
} while (expand);
BuildBox(chunk, block, x1, y1, z1, x2, y2, z2);
// Calculate bounds
if (x1 < minX)
{
minX = x1;
}
if (y1 < minY)
{
minY = y1;
}
if (z1 < minZ)
{
minZ = z1;
}
if (x2 > maxX)
{
maxX = x2;
}
if (y2 > maxY)
{
maxY = y2;
}
if (z2 > maxZ)
{
maxZ = z2;
}
}
}
}
// Update chunk's geoemetry bounds
minBounds = minX | (minY << 8) | (minZ << 16);
maxBounds = maxX | (maxY << 8) | (maxZ << 16);
pools.boolArrayPool.Push(mask);
}
protected override void BuildBox(Chunk chunk, Block block, int minX, int minY, int minZ, int maxX, int maxY,
int maxZ)
{
// Order of vertices when building faces:
// 1--2
// | |
// | |
// 0--3
int sizeWithPadding = sideSize + Env.CHUNK_PADDING_2;
int sizeWithPaddingPow2 = sizeWithPadding * sizeWithPadding;
LocalPools pools = Globals.WorkPool.GetPool(chunk.ThreadID);
ChunkBlocks blocks = chunk.Blocks;
Chunk[] listeners = chunk.Neighbors;
// Custom blocks have their own rules
// TODO: Implement custom block colliders
/*if (block.Custom)
* {
* for (int yy = minY; yy < maxY; yy++)
* {
* for (int zz = minZ; zz < maxZ; zz++)
* {
* for (int xx = minX; xx < maxX; xx++)
* {
* ... // build collider here
* }
* }
* }
*
* return;
* }*/
Vector3[] vertexData = pools.vector3ArrayPool.PopExact(4);
bool[] mask = pools.boolArrayPool.PopExact(sideSize * sideSize);
int n, w, h, l, k, maskIndex;
#region Top face
if (listeners[(int)Direction.up] != null ||
// Don't render faces on world's edges for chunks with no neighbor
maxY != sideSize)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// z axis - height
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(minX, maxY, minZ, pow);
int zOffset = sizeWithPadding - maxX + minX;
// Build the mask
for (int zz = minZ; zz < maxZ; ++zz, neighborIndex += zOffset)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++neighborIndex)
{
// Let's see whether we can merge the faces
if (!blocks.GetBlock(neighborIndex).CanCollide)
{
mask[n] = true;
}
}
}
// Build faces from the mask if it's possible
for (int zz = minZ; zz < maxZ; ++zz)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n] == false)
{
++xx;
++n;
continue;
}
bool m = mask[n];
// Compute width
for (w = 1; xx + w < sideSize && mask[n + w] == m; w++)
{
}
// Compute height
for (h = 1; zz + h < sideSize; h++)
{
for (k = 0; k < w; k++)
{
maskIndex = n + k + h * sideSize;
if (mask[maskIndex] == false || mask[maskIndex] != m)
{
goto cont;
}
}
}
cont:
// Build the face
{
vertexData[0] = new Vector3(xx, maxY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][0];
vertexData[1] = new Vector3(xx, maxY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][1];
vertexData[2] = new Vector3(xx + w, maxY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][2];
vertexData[3] = new Vector3(xx + w, maxY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.up][3];
chunk.ColliderGeometryHandler.Batcher.AddFace(block.physicMaterialID, vertexData, DirectionUtils.IsBackface(Direction.up));
}
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = false;
}
}
xx += w;
n += w;
}
}
}
#endregion
#region Bottom face
if (listeners[(int)Direction.down] != null ||
// Don't render faces on world's edges for chunks with no neighbor
minY != 0)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// z axis - height
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(minX, minY - 1, minZ, pow);
int zOffset = sizeWithPadding - maxX + minX;
// Build the mask
for (int zz = minZ; zz < maxZ; ++zz, neighborIndex += zOffset)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++neighborIndex)
{
// Let's see whether we can merge the faces
if (!blocks.GetBlock(neighborIndex).CanCollide)
{
mask[n] = true;
}
}
}
// Build faces from the mask if it's possible
for (int zz = minZ; zz < maxZ; ++zz)
{
n = minX + zz * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n] == false)
{
++xx;
++n;
continue;
}
bool m = mask[n];
// Compute width
for (w = 1; xx + w < sideSize && mask[n + w] == m; w++)
{
}
// Compute height
for (h = 1; zz + h < sideSize; h++)
{
for (k = 0; k < w; k++)
{
maskIndex = n + k + h * sideSize;
if (mask[maskIndex] == false || mask[maskIndex] != m)
{
goto cont;
}
}
}
cont:
// Build the face
{
vertexData[0] = new Vector3(xx, minY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][0];
vertexData[1] = new Vector3(xx, minY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][1];
vertexData[2] = new Vector3(xx + w, minY, zz + h) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][2];
vertexData[3] = new Vector3(xx + w, minY, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.down][3];
chunk.ColliderGeometryHandler.Batcher.AddFace(block.physicMaterialID, vertexData, DirectionUtils.IsBackface(Direction.down));
}
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = false;
}
}
xx += w;
n += w;
}
}
}
#endregion
#region Right face
if (listeners[(int)Direction.east] != null ||
// Don't render faces on world's edges for chunks with no neighbor
maxX != sideSize)
{
Array.Clear(mask, 0, mask.Length);
// y axis - height
// z axis - width
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(maxX, minY, minZ, pow);
int yOffset = sizeWithPaddingPow2 - (maxZ - minZ) * sizeWithPadding;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, neighborIndex += yOffset)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ; ++zz, ++n, neighborIndex += sizeWithPadding)
{
// Let's see whether we can merge the faces
if (!blocks.GetBlock(neighborIndex).CanCollide)
{
mask[n] = true;
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ;)
{
if (mask[n] == false)
{
++zz;
++n;
continue;
}
bool m = mask[n];
// Compute width
for (w = 1; zz + w < sideSize && mask[n + w] == m; w++)
{
}
// Compute height
for (h = 1; yy + h < sideSize; h++)
{
for (k = 0; k < w; k++)
{
maskIndex = n + k + h * sideSize;
if (mask[maskIndex] == false || mask[maskIndex] != m)
{
goto cont;
}
}
}
cont:
// Build the face
{
vertexData[0] = new Vector3(maxX, yy, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][0];
vertexData[1] = new Vector3(maxX, yy + h, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][1];
vertexData[2] = new Vector3(maxX, yy + h, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][2];
vertexData[3] = new Vector3(maxX, yy, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.east][3];
chunk.ColliderGeometryHandler.Batcher.AddFace(block.physicMaterialID, vertexData, DirectionUtils.IsBackface(Direction.east));
}
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = false;
}
}
zz += w;
n += w;
}
}
}
#endregion
#region Left face
if (listeners[(int)Direction.west] != null ||
// Don't render faces on world's edges for chunks with no neighbor
minX != 0)
{
Array.Clear(mask, 0, mask.Length);
// y axis - height
// z axis - width
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(minX - 1, minY, minZ, pow);
int yOffset = sizeWithPaddingPow2 - (maxZ - minZ) * sizeWithPadding;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, neighborIndex += yOffset)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ; ++zz, ++n, neighborIndex += sizeWithPadding)
{
// Let's see whether we can merge the faces
if (!blocks.GetBlock(neighborIndex).CanCollide)
{
mask[n] = true;
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minZ + yy * sideSize;
for (int zz = minZ; zz < maxZ;)
{
if (mask[n] == false)
{
++zz;
++n;
continue;
}
bool m = mask[n];
// Compute width
for (w = 1; zz + w < sideSize && mask[n + w] == m; w++)
{
}
// Compute height
for (h = 1; yy + h < sideSize; h++)
{
for (k = 0; k < w; k++)
{
maskIndex = n + k + h * sideSize;
if (mask[maskIndex] == false || mask[maskIndex] != m)
{
goto cont;
}
}
}
cont:
// Build the face
{
vertexData[0] = new Vector3(minX, yy, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][0];
vertexData[1] = new Vector3(minX, yy + h, zz) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][1];
vertexData[2] = new Vector3(minX, yy + h, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][2];
vertexData[3] = new Vector3(minX, yy, zz + w) * scale +
BlockUtils.paddingOffsets[(int)Direction.west][3];
chunk.ColliderGeometryHandler.Batcher.AddFace(block.physicMaterialID, vertexData, DirectionUtils.IsBackface(Direction.west));
}
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = false;
}
}
zz += w;
n += w;
}
}
}
#endregion
#region Front face
if (listeners[(int)Direction.north] != null ||
// Don't render faces on world's edges for chunks with no neighbor
maxZ != sideSize)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// y axis - height
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(minX, minY, maxZ, pow);
int yOffset = sizeWithPaddingPow2 - maxX + minX;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, neighborIndex += yOffset)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++neighborIndex)
{
// Let's see whether we can merge the faces
if (!blocks.GetBlock(neighborIndex).CanCollide)
{
mask[n] = true;
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n] == false)
{
++xx;
++n;
continue;
}
bool m = mask[n];
// Compute width
for (w = 1; xx + w < sideSize && mask[n + w] == m; w++)
{
}
// Compute height
for (h = 1; yy + h < sideSize; h++)
{
for (k = 0; k < w; k++)
{
maskIndex = n + k + h * sideSize;
if (mask[maskIndex] == false || mask[maskIndex] != m)
{
goto cont;
}
}
}
cont:
// Build the face
{
vertexData[0] = new Vector3(xx, yy, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][0];
vertexData[1] = new Vector3(xx, yy + h, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][1];
vertexData[2] = new Vector3(xx + w, yy + h, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][2];
vertexData[3] = new Vector3(xx + w, yy, maxZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.north][3];
chunk.ColliderGeometryHandler.Batcher.AddFace(block.physicMaterialID, vertexData, DirectionUtils.IsBackface(Direction.north));
}
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = false;
}
}
xx += w;
n += w;
}
}
}
#endregion
#region Back face
if (listeners[(int)Direction.south] != null ||
// Don't render faces on world's edges for chunks with no neighbor
minZ != 0)
{
Array.Clear(mask, 0, mask.Length);
// x axis - width
// y axis - height
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(minX, minY, minZ - 1, pow);
int yOffset = sizeWithPaddingPow2 - maxX + minX;
// Build the mask
for (int yy = minY; yy < maxY; ++yy, neighborIndex += yOffset)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX; ++xx, ++n, ++neighborIndex)
{
// Let's see whether we can merge the faces
if (!blocks.GetBlock(neighborIndex).CanCollide)
{
mask[n] = true;
}
}
}
// Build faces from the mask if it's possible
for (int yy = minY; yy < maxY; ++yy)
{
n = minX + yy * sideSize;
for (int xx = minX; xx < maxX;)
{
if (mask[n] == false)
{
++xx;
++n;
continue;
}
bool m = mask[n];
// Compute width
for (w = 1; xx + w < sideSize && mask[n + w] == m; w++)
{
}
// Compute height
for (h = 1; yy + h < sideSize; h++)
{
for (k = 0; k < w; k++)
{
maskIndex = n + k + h * sideSize;
if (mask[maskIndex] == false || mask[maskIndex] != m)
{
goto cont;
}
}
}
cont:
// Build the face
{
vertexData[0] = new Vector3(xx, yy, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][0];
vertexData[1] = new Vector3(xx, yy + h, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][1];
vertexData[2] = new Vector3(xx + w, yy + h, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][2];
vertexData[3] = new Vector3(xx + w, yy, minZ) * scale +
BlockUtils.paddingOffsets[(int)Direction.south][3];
chunk.ColliderGeometryHandler.Batcher.AddFace(block.physicMaterialID, vertexData, DirectionUtils.IsBackface(Direction.south));
}
// Zero out the mask. We don't need to process the same fields again
for (l = 0; l < h; ++l)
{
maskIndex = n + l * sideSize;
for (k = 0; k < w; ++k, ++maskIndex)
{
mask[maskIndex] = false;
}
}
xx += w;
n += w;
}
}
}
#endregion
pools.boolArrayPool.Push(mask);
pools.vector3ArrayPool.Push(vertexData);
}