public static void ChunkFillUpdate(Chunk chunk, Voxel voxel)
{
switch (chunk.fillType)
{
case Chunk.FillType.Empty:
if (voxel.IsSolid())
{
chunk.fillType = Chunk.FillType.Mixed;
}
break;
case Chunk.FillType.Solid:
if (!voxel.IsSolid())
{
chunk.fillType = Chunk.FillType.Mixed;
}
break;
case Chunk.FillType.Null:
chunk.fillType = voxel.IsSolid() ? Chunk.FillType.Solid : Chunk.FillType.Empty;
break;
}
}
private static Mesh BasicMesh()
{
TerrainGeneratorBase terrainGenerator = chunk.voxelEngineManager.terrainGenerator;
int index = -1;
for (int x = 0; x < Chunk.SIZE; x++)
{
for (int y = 0; y < Chunk.SIZE; y++)
{
for (int z = 0; z < Chunk.SIZE; z++)
{
Voxel voxel = chunk.voxelData[++index];
Voxel left = GetAdjVoxelLeft(index, x);
Voxel down = GetAdjVoxelDown(index, y);
Voxel back = GetAdjVoxelBack(index, z);
if (voxel.IsSolid())
{
Color32 color = new Color32();
bool colorInit = false;
// Left
if (!left.IsSolid())
{
colorInit = true;
color = terrainGenerator.DensityColor(voxel);
quads.Add(new Quad(
new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
new Vector3(x - 0.5f, y + 0.5f, z + 0.5f),
new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
color, Direction.Left));
}
// Down
if (!down.IsSolid())
{
if (!colorInit)
{
colorInit = true;
color = terrainGenerator.DensityColor(voxel);
}
quads.Add(new Quad(
new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
new Vector3(x + 0.5f, y - 0.5f, z + 0.5f),
new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
color, Direction.Down));
}
// Back
if (!back.IsSolid())
{
if (!colorInit)
{
color = terrainGenerator.DensityColor(voxel);
}
quads.Add(new Quad(
new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
new Vector3(x + 0.5f, y + 0.5f, z - 0.5f),
new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
color, Direction.Back));
}
}
else // Voxel not solid
{
// Left
if (left.IsSolid())
{
quads.Add(new Quad(
new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
new Vector3(x - 0.5f, y + 0.5f, z + 0.5f),
new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
terrainGenerator.DensityColor(left), Direction.Right));
}
// Down
if (down.IsSolid())
{
quads.Add(new Quad(
new Vector3(x - 0.5f, y - 0.5f, z + 0.5f),
new Vector3(x + 0.5f, y - 0.5f, z + 0.5f),
new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
terrainGenerator.DensityColor(down), Direction.Up));
}
// Back
if (back.IsSolid())
{
quads.Add(new Quad(
new Vector3(x + 0.5f, y - 0.5f, z - 0.5f),
new Vector3(x + 0.5f, y + 0.5f, z - 0.5f),
new Vector3(x - 0.5f, y + 0.5f, z - 0.5f),
new Vector3(x - 0.5f, y - 0.5f, z - 0.5f),
terrainGenerator.DensityColor(back), Direction.Forward));
}
}
}
}
}
if (quads.Count == 0)
{
return(null);
}
Vector3[] verts = new Vector3[quads.Count * 4];
Vector3[] normals = new Vector3[quads.Count * 4];
//Vector2[] uvs = new Vector2[quads.Count * 4];
Color32[] colors = new Color32[quads.Count * 4];
int[] tris = new int[quads.Count * 6];
int vertIndex = 0;
int triIndex = 0;
foreach (Quad quad in quads)
{
tris[triIndex++] = vertIndex;
tris[triIndex++] = vertIndex + 1;
tris[triIndex++] = vertIndex + 2;
tris[triIndex++] = vertIndex;
tris[triIndex++] = vertIndex + 2;
tris[triIndex++] = vertIndex + 3;
colors[vertIndex] = quad.color;
normals[vertIndex] = directionNormals[(int)quad.direction];
verts[vertIndex++] = quad.v0;
colors[vertIndex] = quad.color;
normals[vertIndex] = directionNormals[(int)quad.direction];
verts[vertIndex++] = quad.v1;
colors[vertIndex] = quad.color;
normals[vertIndex] = directionNormals[(int)quad.direction];
verts[vertIndex++] = quad.v2;
colors[vertIndex] = quad.color;
normals[vertIndex] = directionNormals[(int)quad.direction];
verts[vertIndex++] = quad.v3;
}
Mesh mesh = new Mesh
{
vertices = verts,
normals = normals,
triangles = tris,
colors32 = colors
};
return(mesh);
}