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Culling, rendering improvements and optimizations, block removing test.

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This commit is contained in:
Max Westerlund
2025-09-02 22:43:35 +02:00
parent a9cab195b6
commit 00713db79e
16 changed files with 390 additions and 210 deletions
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121
Chunk.cs
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@@ -8,7 +8,7 @@
public readonly int PositionY;
private Dictionary<ushort, BlockData> _blockData;
private byte[] _blocks;
private Blocks[] _blocks;
public Chunk(int positionX, int positionY)
{
@@ -16,18 +16,23 @@
PositionY = positionY;
_blockData = new Dictionary<ushort, BlockData>();
_blocks = new byte[Size * Size * Height];
_blocks = new Blocks[Size * Size * Height];
Initialize();
}
public void SetBlock(int x, int y, int z, byte blockId)
public void SetBlock(int x, int y, int z, Blocks block)
{
int i = GetBlockIndex(x, y, z);
_blocks[i] = blockId;
_blocks[i] = block;
}
public byte GetBlock(int x, int y, int z)
public void SetBlockIndex(int i, Blocks block)
{
_blocks[i] = block;
}
public Blocks GetBlock(int x, int y, int z)
{
int i = GetBlockIndex(x, y, z);
return _blocks[i];
@@ -40,23 +45,9 @@
private void Initialize()
{
for (int x = 0; x < Size; x++)
{
for (int z = 0; z < Size; z++)
{
for (int y = 0; y < Size; y++)
{
byte blockId = 1;
SetBlock(x, y, z, blockId);
Console.WriteLine(
"Set block "
+ x.ToString() + ", "
+ y.ToString() + ", "
+ z.ToString() + " "
);
}
}
}
Random rng = new Random();
for (int i = 0; i < Size * Size * 16; i++)
_blocks[i] = (Blocks)rng.Next(5);
}
// todo
@@ -71,60 +62,25 @@
private int GetBlockIndex(int x, int y, int z)
{
return x + y * Size + z * Size * Size;
return x + z * Size + y * Size * Size;
}
public List<FaceData> GetFaces()
private static readonly (int dx, int dy, int dz)[] Offsets = new (int, int, int)[6]
{
List<FaceData> list = new List<FaceData>();
for (byte i = 0; i < 6; i++)
{
FaceData faceData = new FaceData();
faceData.Facing = (Orientation)i;
list.Add(faceData);
}
for (byte i = 0; i < 6; i++)
{
FaceData faceData = new FaceData();
faceData.Facing = (Orientation)i;
faceData.X = 1;
list.Add(faceData);
}
for (byte i = 0; i < 6; i++)
{
FaceData faceData = new FaceData();
faceData.Facing = (Orientation)i;
( 1, 0, 0), // +X
(-1, 0, 0), // -X
( 0, 1, 0), // +Y
( 0, -1, 0), // -Y
( 0, 0, 1), // +Z
( 0, 0, -1) // -Z
};
faceData.X = 1;
faceData.Y = 1;
faceData.Z = 1;
public ChunkMesh GetChunkMesh()
{
ChunkMesh chunkMesh = new ChunkMesh(Size * Size * Height / 2);
list.Add(faceData);
}
for (byte i = 0; i < 6; i++)
{
FaceData faceData = new FaceData();
faceData.Facing = (Orientation)i;
faceData.X = 1;
faceData.Y = 2;
faceData.Z = 1;
list.Add(faceData);
}
// offsets table
for (int x = 0; x < Size; x++)
{
@@ -132,23 +88,40 @@
{
for (int y = 0; y < Height; y++)
{
for (byte i = 0; i < 6; i++)
for (byte face = 0; face < 6; face++)
{
int indexBase = y * Size * Size + z * Size + x;
Blocks block = _blocks[indexBase];
if (block == Blocks.Air) continue; // ignore if air
int nx = x + Offsets[face].dx;
int ny = y + Offsets[face].dy;
int nz = z + Offsets[face].dz;
// check neighbor, ignore if at chunk edge
if (nx >= 0 && nx < Size &&
ny >= 0 && ny < Height &&
nz >= 0 && nz < Size &&
_blocks[GetBlockIndex(nx, ny, nz)] != 0)
continue;
FaceData faceData = new FaceData();
faceData.Facing = (Orientation)i;
faceData.Facing = (Orientation)face;
faceData.Texture = BlockDefinitions.Blocks[block].FaceTextures[face];
faceData.X = (byte)x;
faceData.Y = (byte)y;
faceData.Z = (byte)z;
//list.Add(faceData);
chunkMesh.Faces.Add(faceData);
}
}
}
}
return list;
return chunkMesh;
}
}
}