void writeExtendedBlock(int x, int y, int z, int primitiveType, int rotation, int extendDir, int length, byte materialType)
{
B45Block b0, b1;
B45Block.MakeExtendableBlock(primitiveType, rotation, extendDir, length, (int)materialType, out b0, out b1);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, y, z)] = b0.blockType;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, y, z) + 1] = b0.materialType;
int idx = B45Block.Block45Size * B45ChunkData.OneIndex(
x + Block45Kernel._2BitToExDir[extendDir * 3],
y + Block45Kernel._2BitToExDir[extendDir * 3 + 1],
z + Block45Kernel._2BitToExDir[extendDir * 3 + 2]);
chunkData[idx] = b1.blockType;
chunkData[1 + idx] = b1.materialType;
for (int i = 2; i < length; i++)
{
idx = B45Block.Block45Size * B45ChunkData.OneIndex(
x + Block45Kernel._2BitToExDir[extendDir * 3] * i,
y + Block45Kernel._2BitToExDir[extendDir * 3 + 1] * i,
z + Block45Kernel._2BitToExDir[extendDir * 3 + 2] * i);
chunkData[idx] = (byte)extendDir;
chunkData[1 + idx] = (byte)(length - 2);
}
}
void test1()
{
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 0)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 0) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 1)] = B45Block.MakeBlockType(2, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 2)] = B45Block.MakeBlockType(4, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 2) + 1] = 2;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 3)] = B45Block.MakeBlockType(3, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(0, 0, 3) + 1] = 3;
}
void test2()
{
UnityEngine.Random.seed = 1223;
for (int z = 0; z < Block45Constants._numVoxelsPerAxis; z++)
{
// for(int y =0; y < Block45Constants._numVoxelsPerAxis;y++)
{
for (int x = 0; x < Block45Constants._numVoxelsPerAxis; x++)
{
int rot = (Mathf.RoundToInt(UnityEngine.Random.value * 256)) % 4;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, 0, z)] =
B45Block.MakeBlockType(((x + z * Block45Constants._numVoxelsPerAxis + 0
* Block45Constants._numVoxelsPerAxis * Block45Constants._numVoxelsPerAxis) % 6) + 1, rot);
rot = (Mathf.RoundToInt(UnityEngine.Random.value * 256)) % 4;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, 1, z)] =
B45Block.MakeBlockType(((x + z * Block45Constants._numVoxelsPerAxis + 0
* Block45Constants._numVoxelsPerAxis * Block45Constants._numVoxelsPerAxis) % 6) + 1, rot);
}
}
}
}
void test3()
{
UnityEngine.Random.seed = 1223;
for (int z = 0; z < Block45Constants._numVoxelsPerAxis; z++)
{
// for(int y =0; y < Block45Constants._numVoxelsPerAxis;y++)
{
for (int x = 0; x < Block45Constants._numVoxelsPerAxis; x++)
{
int rot = (Mathf.RoundToInt(UnityEngine.Random.value * 256)) % 4;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, 0, z)] =
B45Block.MakeBlockType(((x + z * Block45Constants._numVoxelsPerAxis + 0
* Block45Constants._numVoxelsPerAxis * Block45Constants._numVoxelsPerAxis) % 6) + 1, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, 0, z) + 1] = (byte)(x % 3);
rot = (Mathf.RoundToInt(UnityEngine.Random.value * 256)) % 4;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, 1, z)] =
B45Block.MakeBlockType(((x + z * Block45Constants._numVoxelsPerAxis + 0
* Block45Constants._numVoxelsPerAxis * Block45Constants._numVoxelsPerAxis) % 6) + 1, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(x, 1, z) + 1] = (byte)(z % 3);
}
}
}
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,0)] = B45Block.MakeBlockType(1,0);
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,0)+1] = 0;
//
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,1)] = B45Block.MakeBlockType(1,0);
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,1)+1] = 1;
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,2)] = B45Block.MakeBlockType(1,0);
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,2)+1] = 2;
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,3)] = B45Block.MakeBlockType(1,0);
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,3)+1] = 0;
//
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,3)] = B45Block.MakeBlockType(1,0);
// chunkData[B45Block.Block45Size*B45ChunkData.OneIndex(0,0,3)+1] = 3;
}
void ComputeOne(byte[] LODChunkData, List <byte[]> srcChunkData, int cid, IntVector3 destChunkOfs)
{
byte[] eightTypes = new byte[8];
byte[] eightMat = new byte[8];
byte[] eightOccu = new byte[8];
for (int z = 0; z < Block45Constants._numVoxelsPerAxis; z += 2)
{
for (int y = 0; y < Block45Constants._numVoxelsPerAxis; y += 2)
{
for (int x = 0; x < Block45Constants._numVoxelsPerAxis; x += 2)
{
eightTypes[0] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y, z)]);
eightTypes[1] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y, z + 1)]);
eightTypes[2] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y, z + 1)]);
eightTypes[3] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y, z)]);
eightTypes[4] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y + 1, z)]);
eightTypes[5] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y + 1, z + 1)]);
eightTypes[6] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y + 1, z + 1)]);
eightTypes[7] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y + 1, z)]);
eightMat[0] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y, z) + 1]);
eightMat[1] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y, z + 1) + 1]);
eightMat[2] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y, z + 1) + 1]);
eightMat[3] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y, z) + 1]);
eightMat[4] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y + 1, z) + 1]);
eightMat[5] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x, y + 1, z + 1) + 1]);
eightMat[6] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y + 1, z + 1) + 1]);
eightMat[7] = (byte)(srcChunkData[cid][B45Block.Block45Size * B45ChunkData.OneIndex(x + 1, y + 1, z) + 1]);
eightOccu[0] = TypeToOccupancy[eightTypes[0] >> 2];
eightOccu[1] = TypeToOccupancy[eightTypes[1] >> 2];
eightOccu[2] = TypeToOccupancy[eightTypes[2] >> 2];
eightOccu[3] = TypeToOccupancy[eightTypes[3] >> 2];
eightOccu[4] = TypeToOccupancy[eightTypes[4] >> 2];
eightOccu[5] = TypeToOccupancy[eightTypes[5] >> 2];
eightOccu[6] = TypeToOccupancy[eightTypes[6] >> 2];
eightOccu[7] = TypeToOccupancy[eightTypes[7] >> 2];
int sum = eightOccu[0] + eightOccu[1] + eightOccu[2] + eightOccu[3] +
eightOccu[4] + eightOccu[5] + eightOccu[6] + eightOccu[7];
///if( sum > 0){
/// int sdl= 0;
///}
List <int> indices = GetSimilarIndices(sum, 3);
int smallestError = 255;
int bestMatchI = -1, bestMatchR = -1;
for (int i = 0; i < indices.Count; i++)
{
int errorSum = CalculateError(eightOccu, indices[i], 0);
if (smallestError > errorSum)
{
smallestError = errorSum;
bestMatchI = indices[i];
bestMatchR = 3;
}
errorSum = CalculateError(eightOccu, indices[i], 1);
if (smallestError > errorSum)
{
smallestError = errorSum;
bestMatchI = indices[i];
bestMatchR = 2;
}
errorSum = CalculateError(eightOccu, indices[i], 2);
if (smallestError > errorSum)
{
smallestError = errorSum;
bestMatchI = indices[i];
bestMatchR = 1;
}
errorSum = CalculateError(eightOccu, indices[i], 3);
if (smallestError > errorSum)
{
smallestError = errorSum;
bestMatchI = indices[i];
bestMatchR = 0;
}
}
B45Block blk;
blk.blockType = B45Block.MakeBlockType(bestMatchI, bestMatchR);
blk.materialType = 0;
// determine the material type for this lod block.
byte largestOccu = 0;
for (int i = 0; i < 8; i++)
{
if (eightOccu[i] > largestOccu)
{
largestOccu = eightOccu[i];
blk.materialType = eightMat[i];
}
}
int tmpIdx = B45Block.Block45Size * B45ChunkData.OneIndex(
destChunkOfs.x * Block45Constants._numVoxelsPerAxis / 2 + x / 2,
destChunkOfs.y * Block45Constants._numVoxelsPerAxis / 2 + y / 2,
destChunkOfs.z * Block45Constants._numVoxelsPerAxis / 2 + z / 2
);
LODChunkData[tmpIdx] = blk.blockType;
LODChunkData[tmpIdx + 1] = blk.materialType;
}
}
}
}
void test4()
{
IntVector3 bPos = new IntVector3(0, 0, 0);
int rot = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 0)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 0) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 1)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 1) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 1)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 1) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 0)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 0) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 0)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 0) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 1)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 1) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 1)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 1) + 1] = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 0)] = B45Block.MakeBlockType(1, 0);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 0) + 1] = 0;
////
bPos = new IntVector3(2, 0, 0);
rot = 3;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 0)] = B45Block.MakeBlockType(1, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 0) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 1)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 1)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 0)] = B45Block.MakeBlockType(1, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 0) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 0)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 0) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 1)] = B45Block.MakeBlockType(0, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 1)] = B45Block.MakeBlockType(0, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 0)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 0) + 1] = 1;
/////////////////
bPos = new IntVector3(4, 0, 0);
rot = 0;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 0)] = B45Block.MakeBlockType(1, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 0) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 1)] = B45Block.MakeBlockType(1, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 0, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 1)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 0)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 0, bPos.z + 0) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 0)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 0) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 1)] = B45Block.MakeBlockType(2, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 0, bPos.y + 1, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 1)] = B45Block.MakeBlockType(0, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 1) + 1] = 1;
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 0)] = B45Block.MakeBlockType(0, rot);
chunkData[B45Block.Block45Size * B45ChunkData.OneIndex(bPos.x + 1, bPos.y + 1, bPos.z + 0) + 1] = 1;
}