public void Build(DrawCallBatcher batcher, ref BlockData block, BlockFace face, bool backFace, ref Vector3[] vecs, LocalPools pools)
{
int iface = (int)face;
// Randomize the color a bit
Color32 color = BlockDatabase.GetBlockInfo(block.BlockType).Color;
if (block.BlockType != BlockType.None)
{
float value = m_noise.GetValue(vecs[0] + vecs[1] + vecs[2] + vecs[3]); // -1.0f..1.0f
float noise = (255.0f * value) * 0.02f; // Deviation of 0.02f points from the original
int n = (int)noise;
byte r = (byte)Math.Max(0, Math.Min(color.r + n, 255));
byte g = (byte)Math.Max(0, Math.Min(color.g + n, 255));
byte b = (byte)Math.Max(0, Math.Min(color.b + n, 255));
color = new Color32(r, g, b, color.a);
}
VertexData[] vertexData = pools.PopVertexDataArray(4);
for (int i = 0; i < 4; i++)
{
VertexData data = vertexData[i] = pools.PopVertexData();
data.Vertex = vecs[i];
data.Color = color;
data.UV = AddFaceUV(i, GetTexture(iface), backFace);
data.Normal = SNormals[iface][i];
}
batcher.AddFace(vertexData, backFace);
pools.PushVertexDataArray(vertexData);
}
public void Build(Chunk chunk, int minX, int maxX, int minY, int maxY, int minZ, int maxZ)
{
WorldBlocks blocks = chunk.world.blocks;
const int stepSize = 1;
const int width = Env.ChunkSize;
int[] mins = { minX, minY, minZ };
int[] maxes = { maxX, maxY, maxZ };
int[] x = { 0, 0, 0 }; // Relative position of a block
int[] q = { 0, 0, 0 };
// Direction in which we compare neighbors when building mask (q[d] is our current direction)
int[] du = { 0, 0, 0 }; // Width in a given dimension (du[u] is our current dimension)
int[] dv = { 0, 0, 0 }; // Height in a given dimension (dv[v] is our current dimension)
bool[] mask = chunk.pools.PopBoolArray(width * width);
Vector3[] vecs = chunk.pools.PopVector3Array(4);
// Iterate over 3 dimensions. Once for front faces, once for back faces
for (int dd = 0; dd < 2 * 3; dd++)
{
int d = dd % 3;
int u = (d + 1) % 3;
int v = (d + 2) % 3;
x[0] = 0;
x[1] = 0;
x[2] = 0;
q[0] = 0;
q[1] = 0;
q[2] = 0;
q[d] = stepSize;
// Determine which side we're meshing
Direction dir = Direction.west;
switch (dd)
{
// Back faces
//case 0: dir = Direction.west; break;
case 1: dir = Direction.down; break;
case 2: dir = Direction.south; break;
// Front faces
case 3: dir = Direction.east; break;
case 4: dir = Direction.up; break;
case 5: dir = Direction.north; break;
}
bool backFace = DirectionUtils.Backface(dir);
// Move through the dimension from front to back
for (x[d] = mins[d] - 1; x[d] <= maxes[d];)
{
// Compute the mask
int n = 0;
for (x[v] = 0; x[v] < mins[v]; x[v]++)
{
for (x[u] = 0; x[u] < width; x[u]++)
{
mask[n++] = false;
}
}
for (x[v] = mins[v]; x[v] <= maxes[v]; x[v]++)
{
for (x[u] = 0; x[u] < mins[u]; x[u]++)
{
mask[n++] = false;
}
for (x[u] = mins[u]; x[u] <= maxes[u]; x[u]++)
{
int realX = chunk.pos.x + x[0];
int realY = chunk.pos.y + x[1];
int realZ = chunk.pos.z + x[2];
bool voxelFace0 = blocks.GetBlock(new Vector3Int(realX, realY, realZ)).canBeWalkedOn;
bool voxelFace1 = blocks.GetBlock(new Vector3Int(realX + q[0], realY + q[1], realZ + q[2])).canBeWalkedOn;
mask[n++] = (!voxelFace0 || !voxelFace1) && (backFace ? voxelFace1 : voxelFace0);
}
for (x[u] = maxes[u] + 1; x[u] < width; x[u]++)
{
mask[n++] = false;
}
}
for (x[v] = maxes[v] + 1; x[v] < width; x[v]++)
{
for (x[u] = 0; x[u] < width; x[u]++)
{
mask[n++] = false;
}
}
x[d]++;
n = 0;
// Build faces from the mask if it's possible
int j;
for (j = 0; j < width; j++)
{
int i;
for (i = 0; i < width;)
{
if (mask[n] == false)
{
i++;
n++;
continue;
}
bool type = mask[n];
// Compute width
int w;
for (w = 1; i + w < width && mask[n + w] == type; w++)
{
}
// Compute height
bool done = false;
int k;
int h;
for (h = 1; j + h < width; h++)
{
for (k = 0; k < w; k++)
{
if (mask[n + k + h * width] == false ||
mask[n + k + h * width] != type)
{
done = true;
break;
}
}
if (done)
{
break;
}
}
// Determine whether we really want to build this face
// TODO: Skip bottom faces at the bottom of the world
const bool buildFace = true;
if (buildFace)
{
// Prepare face coordinates and dimensions
x[u] = i;
x[v] = j;
du[0] = du[1] = du[2] = 0;
dv[0] = dv[1] = dv[2] = 0;
du[u] = w;
dv[v] = h;
// Face vertices transformed to world coordinates
// 0--1
// | |
// | |
// 3--2
vecs[0] = new Vector3(x[0], x[1], x[2]) - BlockUtils.HalfBlockVector;
vecs[1] = new Vector3(x[0] + du[0], x[1] + du[1], x[2] + du[2]) - BlockUtils.HalfBlockVector;
vecs[2] = new Vector3(x[0] + du[0] + dv[0], x[1] + du[1] + dv[1], x[2] + du[2] + dv[2]) - BlockUtils.HalfBlockVector;
vecs[3] = new Vector3(x[0] + dv[0], x[1] + dv[1], x[2] + dv[2]) - BlockUtils.HalfBlockVector;
{
LocalPools pool = chunk.pools;
VertexData[] vertexData = pool.PopVertexDataArray(4);
VertexDataFixed[] vertexDataFixed = pool.PopVertexDataFixedArray(4);
{
for (int ii = 0; ii < 4; ii++)
{
vertexData[ii] = pool.PopVertexData();
vertexData[ii].Vertex = vecs[ii];
vertexDataFixed[ii] = VertexDataUtils.ClassToStruct(vertexData[ii]);
}
chunk.ChunkColliderGeometryHandler.Batcher.AddFace(vertexDataFixed, backFace);
for (int ii = 0; ii < 4; ii++)
{
pool.PushVertexData(vertexData[ii]);
}
}
pool.PushVertexDataFixedArray(vertexDataFixed);
pool.PushVertexDataArray(vertexData);
}
}
// Zero out the mask
int l;
for (l = 0; l < h; ++l)
{
for (k = 0; k < w; ++k)
{
mask[n + k + l * width] = false;
}
}
i += w;
n += w;
}
}
}
}
chunk.pools.PushBoolArray(mask);
chunk.pools.PushVector3Array(vecs);
}