/// <summary>
/// Build the mesh data
/// </summary>
public override void Execute()
{
mMeshData.Clear();
byte[] endodedData = new byte[4];
for (int x = 0; x < VoxelChunk.ChunkWidth; ++x)
{
for (int y = 0; y < VoxelChunk.ChunkHeight; ++y)
{
for (int z = 0; z < VoxelChunk.ChunkWidth; ++z)
{
if (bIsAborted)
{
return;
}
VoxelInstance voxel = mChunk.Get(x, y, z);
VoxelInstance check = null;
// Ignore if collision disabled
if (voxel.bDisableCollision)
{
continue;
}
// Check all sides
// Up
if ((check = mChunk.Get(x, y + 1, z)) == null || check.bDisableCollision)
{
mMeshData.AddTopPanel(x, y, z, endodedData, true);
}
// Bottom
if ((check = mChunk.Get(x, y - 1, z)) != null && check.bDisableCollision)
{
mMeshData.AddBottomPanel(x, y, z, endodedData, true);
}
// Left
if ((check = mChunk.Get(x - 1, y, z)) != null && check.bDisableCollision)
{
mMeshData.AddLeftPanel(x, y, z, endodedData, true);
}
// Right
if ((check = mChunk.Get(x + 1, y, z)) != null && check.bDisableCollision)
{
mMeshData.AddRightPanel(x, y, z, endodedData, true);
}
// Back
if ((check = mChunk.Get(x, y, z + 1)) != null && check.bDisableCollision)
{
mMeshData.AddBackPanel(x, y, z, endodedData, true);
}
// Front
if ((check = mChunk.Get(x, y, z - 1)) != null && check.bDisableCollision)
{
mMeshData.AddFrontPanel(x, y, z, endodedData, true);
}
}
}
}
mMeshData.Cook();
}
/// <summary>
/// Build the mesh data
/// </summary>
public override void Execute()
{
mMeshData.Clear();
// First 2 bits are the tile id
// Second bit is the tile's exposure (How close is it to air 0-4; 0:Next to air, 4:No air within 3 voxels)
byte[] endodedData = new byte[4];
for (int x = 0; x < VoxelChunk.ChunkWidth; ++x)
{
for (int y = 0; y < VoxelChunk.ChunkHeight; ++y)
{
for (int z = 0; z < VoxelChunk.ChunkWidth; ++z)
{
if (bIsAborted)
{
return;
}
VoxelInstance voxel = mChunk.Get(x, y, z);
VoxelInstance check = null;
bool transparent = voxel.bIsTransparent;
// Ignore if not part of terrain
if (voxel.mType != VoxelType.Terrain)
{
continue;
}
byte[] tileBits;
// Use main tile for top tile
tileBits = System.BitConverter.GetBytes(voxel.mMainTileID);
endodedData[0] = tileBits[0];
endodedData[1] = tileBits[1];
endodedData[2] = 0;
// Check all sides
// Up
if ((check = mChunk.Get(x, y + 1, z)) == null || check.mType != VoxelType.Terrain || transparent != check.bIsTransparent)
{
mMeshData.AddTopPanel(x, y, z, endodedData);
}
// Include top tile and work out how exposed this tile is (Will be later culled in rendering, if neccessary)
else
{
byte airExposure = 0;
// Work out the air exposure for this exposure voxel
if ((check = mChunk.Get(x, y + 1, z)) == null || check.mType == VoxelType.None || transparent != check.bIsTransparent)
{
airExposure = 0;
}
else if ((check = mChunk.Get(x, y + 2, z)) == null || check.mType == VoxelType.None || transparent != check.bIsTransparent)
{
airExposure = 1;
}
else if ((check = mChunk.Get(x, y + 3, z)) == null || check.mType == VoxelType.None || transparent != check.bIsTransparent)
{
airExposure = 2;
}
else if ((check = mChunk.Get(x, y + 4, z)) == null || check.mType == VoxelType.None || transparent != check.bIsTransparent)
{
airExposure = 3;
}
else
{
airExposure = 4;
}
// Check adjacent tiles
if (airExposure == 4)
{
for (byte c = 1; c <= 3; ++c)
{
if ((check = mChunk.Get(x + c, y, z)) != null && (check.mType == VoxelType.None || transparent != check.bIsTransparent))
{
airExposure = c;
break;
}
if ((check = mChunk.Get(x - c, y, z)) != null && (check.mType == VoxelType.None || transparent != check.bIsTransparent))
{
airExposure = c;
break;
}
if ((check = mChunk.Get(x, y, z + c)) != null && (check.mType == VoxelType.None || transparent != check.bIsTransparent))
{
airExposure = c;
break;
}
if ((check = mChunk.Get(x, y, z - c)) != null && (check.mType == VoxelType.None || transparent != check.bIsTransparent))
{
airExposure = c;
break;
}
}
}
endodedData[2] = airExposure;
mMeshData.AddTopPanel(x, y, z, endodedData);
}
// Switch to secondary tile
tileBits = System.BitConverter.GetBytes(voxel.mSecondaryTileID);
endodedData[0] = tileBits[0];
endodedData[1] = tileBits[1];
endodedData[2] = 0;
// Left
if ((check = mChunk.Get(x - 1, y, z)) != null && (check.mType != VoxelType.Terrain || transparent != check.bIsTransparent))
{
mMeshData.AddLeftPanel(x, y, z, endodedData);
}
// Right
if ((check = mChunk.Get(x + 1, y, z)) != null && (check.mType != VoxelType.Terrain || transparent != check.bIsTransparent))
{
mMeshData.AddRightPanel(x, y, z, endodedData);
}
// Back
if ((check = mChunk.Get(x, y, z + 1)) != null && (check.mType != VoxelType.Terrain || transparent != check.bIsTransparent))
{
mMeshData.AddBackPanel(x, y, z, endodedData);
}
// Front
if ((check = mChunk.Get(x, y, z - 1)) != null && (check.mType != VoxelType.Terrain || transparent != check.bIsTransparent))
{
mMeshData.AddFrontPanel(x, y, z, endodedData);
}
}
}
}
mMeshData.Cook();
}