public unsafe void SaveChunk(BlockTerrain.Chunk chunk)
{
if (!chunk.isEdited)
{
return;
}
lock (locker)
{
Point2 p = new Point2(chunk.chunkx, chunk.chunky);
long value;
if (chunkOffsets.TryGetValue(p, out value))
{
stream.Seek(value, SeekOrigin.Begin);
WriteChunkHeader(stream, chunk.chunkx, chunk.chunky);
fixed(byte *bptr = &buffer[0])
{
int *iptr = (int *)bptr;
for (int x = 0; x < 16; x++)
{
for (int y = 0; y < 16; y++)
{
int index = BlockTerrain.GetCellIndex(15 - x, 0, y);
int h = 0;
while (h < 128)
{
*iptr = chunk.GetCellValue(index);
iptr++;
h++;
index++;
}
}
}
}
stream.Write(buffer, 0, 131072);
fixed(byte *bptr = &buffer[0])
{
int *iptr = (int *)bptr;
for (int x = 0; x < 16; x++)
{
int index = BlockTerrain.GetShiftIndex(15 - x, 0);
int h = 0;
while (h < 16)
{
*iptr = chunk.GetShiftValue(index);
iptr++;
h++;
index++;
}
}
}
stream.Write(buffer, 0, 1024);
}
}
}
public void GenerateNormalBlocks(BlockTerrain.Chunk chunk)
{
bool[] isTransparent = BlocksData.IsTransparent;
INormalBlock[] normalBlocks = BlocksData.NormalBlocks;
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 0; y < 128; y++)
{
int value = chunk.GetCellValue(x, y, z);
int content = BlockTerrain.GetContent(value);
if (isTransparent[content])
{
normalBlocks[content].GenerateTerrain(x, y, z, value, chunk, this);
}
}
}
}
}
public void GenerateCubeBlocks(BlockTerrain.Chunk chunk)
{
bool[] isTransparent = BlocksData.IsTransparent;
IStandardCubeBlock[] cubeBlocks = BlocksData.StandardCubeBlocks;
INormalBlock[] normalBlocks = BlocksData.NormalBlocks;
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 0; y < 128; y++)
{
int value = chunk.GetCellValue(x, y, z);
int content = BlockTerrain.GetContent(value);
if (isTransparent[content])
{
normalBlocks[content].GenerateTerrain(x, y, z, value, chunk, this);
}
else
{
Vector3 v000 = new Vector3(x, y, z);
Vector3 v001 = new Vector3(x, y, z + 1.0f);
Vector3 v010 = new Vector3(x, y + 1.0f, z);
Vector3 v011 = new Vector3(x, y + 1.0f, z + 1.0f);
Vector3 v100 = new Vector3(x + 1.0f, y, z);
Vector3 v101 = new Vector3(x + 1.0f, y, z + 1.0f);
Vector3 v110 = new Vector3(x + 1.0f, y + 1.0f, z);
Vector3 v111 = new Vector3(x + 1.0f, y + 1.0f, z + 1.0f);
var cellFace = new CellFace();
var block = cubeBlocks[content];
int neighbor = chunk.GetCellContent(x - 1, y, z);
if (neighbor != BlockTerrain.NULL_BLOCK_CONTENT && BlocksData.IsTransparent[neighbor])
{
block.GenerateTerrain(x, y, z, value, CellFace.BACK, chunk, ref cellFace);
Terrain.NormalQuad(v000, v001, v011, v010, cellFace.TextureSlot, cellFace.Color);
}
neighbor = chunk.GetCellContent(x, y - 1, z);
if (neighbor != BlockTerrain.NULL_BLOCK_CONTENT && BlocksData.IsTransparent[neighbor])
{
block.GenerateTerrain(x, y, z, value, CellFace.BOTTOM, chunk, ref cellFace);
Terrain.NormalQuad(v001, v000, v100, v101, cellFace.TextureSlot, cellFace.Color);
}
neighbor = chunk.GetCellContent(x, y, z - 1);
if (neighbor != BlockTerrain.NULL_BLOCK_CONTENT && BlocksData.IsTransparent[neighbor])
{
block.GenerateTerrain(x, y, z, value, CellFace.LEFT, chunk, ref cellFace);
Terrain.NormalQuad(v100, v000, v010, v110, cellFace.TextureSlot, cellFace.Color);
}
neighbor = chunk.GetCellContent(x + 1, y, z);
if (neighbor != BlockTerrain.NULL_BLOCK_CONTENT && BlocksData.IsTransparent[neighbor])
{
block.GenerateTerrain(x, y, z, value, CellFace.FRONT, chunk, ref cellFace);
Terrain.NormalQuad(v101, v100, v110, v111, cellFace.TextureSlot, cellFace.Color);
}
neighbor = chunk.GetCellContent(x, y + 1, z);
if (neighbor != BlockTerrain.NULL_BLOCK_CONTENT && BlocksData.IsTransparent[neighbor])
{
block.GenerateTerrain(x, y, z, value, CellFace.TOP, chunk, ref cellFace);
Terrain.NormalQuad(v011, v111, v110, v010, cellFace.TextureSlot, cellFace.Color);
}
neighbor = chunk.GetCellContent(x, y, z + 1);
if (neighbor != BlockTerrain.NULL_BLOCK_CONTENT && BlocksData.IsTransparent[neighbor])
{
block.GenerateTerrain(x, y, z, value, CellFace.RIGHT, chunk, ref cellFace);
Terrain.NormalQuad(v001, v101, v111, v011, cellFace.TextureSlot, cellFace.Color);
}
}
}
}
}
}
public void GenerateChunkMesh(BlockTerrain.Chunk chunk)
{
bool[] isTrans = BlocksData.IsTransparent;
IStandardCubeBlock[] blocks = BlocksData.StandardCubeBlocks;
CellFace[] mask;
int u, v, n, w, h, j, i, l, k;
int[] off;
int[] x;
int[] dim = new int[] { 16, 128, 16 };
for (int d = 0; d < 3; d++)
{
off = new int[] { 0, 0, 0 };
x = new int[] { 0, 0, 0 };
u = (d + 1) % 3;
v = (d + 2) % 3;
off[d] = 1;
//face = d;
mask = new CellFace[dim[u] * dim[v]];
for (x[d] = -1; x[d] < dim[d];)
{
//Debug.LogFormat("x[d]: {0}", x[d]);
for (n = 0; n < mask.Length; n++)
{
mask[n].TextureSlot = -1;
}
n = 0;
for (x[v] = 0; x[v] < dim[v]; x[v]++)
{
for (x[u] = 0; x[u] < dim[u]; x[u]++)
{
int va = chunk.GetCellValue(x[0], x[1], x[2]);
int vb = chunk.GetCellValue(x[0] + off[0], x[1] + off[1], x[2] + off[2]);
if (va == BlockTerrain.NULL_BLOCK_VALUE || vb == BlockTerrain.NULL_BLOCK_VALUE)
{
break;
}
int ca = BlockTerrain.GetContent(va);
int cb = BlockTerrain.GetContent(vb);
//Debug.LogFormat("{0} and {1}: {2}, {3}", new Point3(x[0], x[1], x[2]), new Point3(x[0] + off[0], x[1] + off[1], x[2] + off[2]), a.Name, b.Name);
if (isTrans[ca])
{
if (!isTrans[cb] && (((x[0] + off[0])) & 16) == 0)
{
mask[n].IsOpposite = true;
blocks[cb].GenerateTerrain(x[0] + off[0], x[1] + off[1], x[2] + off[2], vb, CellFace.opposite[d], chunk, ref mask[n]);
}
}
else
{
if (isTrans[cb])
{
mask[n].IsOpposite = false;
blocks[ca].GenerateTerrain(x[0], x[1], x[2], va, d, chunk, ref mask[n]);
}
}
n++;
}
}
++x[d];
n = 0;
for (j = 0; j < dim[v]; j++)
{
for (i = 0; i < dim[u];)
{
if (mask[n].TextureSlot != -1)
{
for (w = 1; i + w < dim[u] && mask[w + n] == mask[n]; w++)
{
}
for (h = 1; h + j < dim[v]; h++)
{
for (k = 0; k < w; k++)
{
if (mask[n + k + h * dim[u]] != mask[n])
{
goto Done;
}
}
}
Done:
//Debug.LogFormat("quard: {0}, {1}, {2}, {3}; {4}", j, i, h, w, x[d]);
x[u] = i;
x[v] = j;
int[] du = new int[] { 0, 0, 0 };
int[] dv = new int[] { 0, 0, 0 };
du[u] = w;
dv[v] = h;
int textureSlot = mask[n].TextureSlot;
if (!mask[n].IsOpposite)
{
Terrain.Quad(
new Vector3(x[0], x[1], x[2]),
new Vector3(x[0] + du[0], x[1] + du[1], x[2] + du[2]),
new Vector3(x[0] + du[0] + dv[0], x[1] + du[1] + dv[1], x[2] + du[2] + dv[2]),
new Vector3(x[0] + dv[0], x[1] + dv[1], x[2] + dv[2]),
textureSlot,
mask[n].Color
);
}
else
{
Terrain.Quad(
new Vector3(x[0], x[1], x[2]),
new Vector3(x[0] + dv[0], x[1] + dv[1], x[2] + dv[2]),
new Vector3(x[0] + du[0] + dv[0], x[1] + du[1] + dv[1], x[2] + du[2] + dv[2]),
new Vector3(x[0] + du[0], x[1] + du[1], x[2] + du[2]),
textureSlot,
mask[n].Color
);
}
for (l = 0; l < h; l++)
{
for (k = 0; k < w; k++)
{
mask[n + k + l * dim[u]].TextureSlot = -1;
}
}
i += w;
n += w;
}
else
{
i++;
n++;
}
}
}
}
}
}
public void GenerateFluidTerrain(int x, int y, int z, int value, BlockTerrain.Chunk chunk, GreedyTerrainMesh terrainMesh, Color topColor, Color sideColor)
{
float height1, height2, height3, height4;
int data = BlockTerrain.GetData(value);
if (GetIsTop(data))
{
int cellValueFast = chunk.GetCellValue(x - 1, y, z - 1);
int cellValueFast2 = chunk.GetCellValue(x, y, z - 1);
int cellValueFast3 = chunk.GetCellValue(x + 1, y, z - 1);
int cellValueFast4 = chunk.GetCellValue(x - 1, y, z);
int cellValueFast5 = chunk.GetCellValue(x + 1, y, z);
int cellValueFast6 = chunk.GetCellValue(x - 1, y, z + 1);
int cellValueFast7 = chunk.GetCellValue(x, y, z + 1);
int cellValueFast8 = chunk.GetCellValue(x + 1, y, z + 1);
float h = CalculateNeighborHeight(cellValueFast);
float num = CalculateNeighborHeight(cellValueFast2);
float h2 = CalculateNeighborHeight(cellValueFast3);
float num2 = CalculateNeighborHeight(cellValueFast4);
float num3 = CalculateNeighborHeight(cellValueFast5);
float h3 = CalculateNeighborHeight(cellValueFast6);
float num4 = CalculateNeighborHeight(cellValueFast7);
float h4 = CalculateNeighborHeight(cellValueFast8);
float levelHeight = GetLevelHeight(GetLevel(data));
height1 = CalculateFluidVertexHeight(h, num, num2, levelHeight);
height2 = CalculateFluidVertexHeight(num, h2, levelHeight, num3);
height3 = CalculateFluidVertexHeight(levelHeight, num3, num4, h4);
height4 = CalculateFluidVertexHeight(num2, levelHeight, h3, num4);
}
else
{
height1 = 1f;
height2 = 1f;
height3 = 1f;
height4 = 1f;
}
Vector3 v000 = new Vector3(x, y, z);
Vector3 v001 = new Vector3(x, y, z + 1f);
Vector3 v010 = new Vector3(x, y + height1, z);
Vector3 v011 = new Vector3(x, y + height4, z + 1f);
Vector3 v100 = new Vector3(x + 1.0f, y, z);
Vector3 v101 = new Vector3(x + 1.0f, y, z + 1f);
Vector3 v110 = new Vector3(x + 1.0f, y + height2, z);
Vector3 v111 = new Vector3(x + 1.0f, y + height3, z + 1f);
int v = chunk.GetCellValue(x - 1, y, z);
if (v != BlockTerrain.NULL_BLOCK_VALUE && BlockTerrain.GetContent(v) != Index)
{
terrainMesh.NormalQuad(v001, v011, v010, v000, TextureSlot, sideColor);
}
v = chunk.GetCellValue(x, y - 1, z);
if (v != BlockTerrain.NULL_BLOCK_VALUE && BlockTerrain.GetContent(v) != Index)
{
terrainMesh.NormalQuad(v000, v100, v101, v001, TextureSlot, sideColor);
}
v = chunk.GetCellValue(x, y, z - 1);
if (v != BlockTerrain.NULL_BLOCK_VALUE && BlockTerrain.GetContent(v) != Index)
{
terrainMesh.NormalQuad(v000, v010, v110, v100, TextureSlot, sideColor);
}
v = chunk.GetCellValue(x + 1, y, z);
if (v != BlockTerrain.NULL_BLOCK_VALUE && BlockTerrain.GetContent(v) != Index)
{
terrainMesh.NormalQuad(v100, v110, v111, v101, TextureSlot, sideColor);
}
v = chunk.GetCellValue(x, y + 1, z);
if (v != BlockTerrain.NULL_BLOCK_VALUE && BlockTerrain.GetContent(v) != Index)
{
terrainMesh.NormalQuad(v111, v110, v010, v011, TextureSlot, topColor);
}
v = chunk.GetCellValue(x, y, z + 1);
if (v != BlockTerrain.NULL_BLOCK_VALUE && BlockTerrain.GetContent(v) != Index)
{
terrainMesh.NormalQuad(v101, v111, v011, v001, TextureSlot, sideColor);
}
}