private VoxelMesh(VoxelMesh voxelMesh, DefaultMesh defaultMesh)
{
DefaultMesh = defaultMesh;
TexCoord3D = voxelMesh.TexCoord3D;
MaterialAmount = voxelMesh.MaterialAmount;
MaterialId = voxelMesh.MaterialId;
VoxelId = voxelMesh.VoxelId;
}
private void UpdateChunkDepthGeomatry(Vector3I position, VoxelMesh mesh)
{
VAO depthGeometry = VAOLoader.FromMesh(mesh.DefaultMesh, _depthShader);
if (_chunkDepthGeometrys.ContainsKey(position))
{
_chunkDepthGeometrys[position] = depthGeometry;
}
else
{
_chunkDepthGeometrys.Add(position, depthGeometry);
}
}
public void Add(VoxelMesh voxelMesh)
{
DefaultMesh.Add(voxelMesh.DefaultMesh);
TexCoord3D.AddRange(voxelMesh.TexCoord3D);
MaterialAmount.AddRange(voxelMesh.MaterialAmount);
MaterialId.AddRange(voxelMesh.MaterialId);
uint max = 0;
if (VoxelId.Count > 0)
{
max = (uint)(VoxelId.Last() + 1);
}
foreach (var voxelId in voxelMesh.VoxelId)
{
VoxelId.Add(voxelId + max);
}
}
private void UpdateChunkGeometry(Vector3I position, VoxelMesh mesh)
{
VAO geometry = VAOLoader.FromMesh(mesh.DefaultMesh, _voxelShader);
var loc = _voxelShader.GetResourceLocation(ShaderResourceType.Attribute, "uv3d");
geometry.SetAttribute(loc, mesh.TexCoord3D.ToArray(), OpenGl4.VertexAttribPointerType.Float, 3);
loc = _voxelShader.GetResourceLocation(ShaderResourceType.Attribute, "voxelId");
geometry.SetAttribute(loc, mesh.VoxelId.ToArray(), OpenGl4.VertexAttribPointerType.Float, 1);
BufferObject amountBuffer = new BufferObject(OpenGl4.BufferTarget.ShaderStorageBuffer);
amountBuffer.Set(mesh.MaterialAmount.ToArray(), OpenGl4.BufferUsageHint.StaticCopy);
BufferObject idBuffer = new BufferObject(OpenGl4.BufferTarget.ShaderStorageBuffer);
idBuffer.Set(mesh.MaterialId.ToArray(), OpenGl4.BufferUsageHint.StaticCopy);
if (_chunkGeometrys.ContainsKey(position))
{
_chunkGeometrys[position] = geometry;
}
else
{
_chunkGeometrys.Add(position, geometry);
}
if (_amountBuffers.ContainsKey(position))
{
_amountBuffers[position] = amountBuffer;
}
else
{
_amountBuffers.Add(position, amountBuffer);
}
if (_idBuffers.ContainsKey(position))
{
_idBuffers[position] = idBuffer;
}
else
{
_idBuffers.Add(position, idBuffer);
}
}
private void AddVoxelMesh(Chunk chunk, Vector3I pos)
{
List <Voxel> neededVoxels = CalculateNeededVoxels(chunk, pos);
List <int> vertexNumbers = GetVertexNumbersFromLookup(neededVoxels);
if (vertexNumbers.Count > 0)
{
VoxelMesh voxelMesh = new VoxelMesh();
List <float> internalDistances = CalculateInternalDistances(neededVoxels);
List <Vector3> internalPositions = CalculateInternalPositions(internalDistances);
List <float> materialAmounts = CalculateMaterialAmounts(neededVoxels);
List <int> materialIds = CalculateMaterialIds(neededVoxels);
for (int i = 0; i < 8; i++)
{
voxelMesh.MaterialAmount.Add(materialAmounts[i]);
voxelMesh.MaterialId.Add(materialIds[i]);
}
uint id = 0;
void Add(int index, Vector3 n)
{
voxelMesh.DefaultMesh.Position.Add(internalPositions[index]);
voxelMesh.DefaultMesh.Normal.Add(n);
voxelMesh.DefaultMesh.IDs.Add(id);
voxelMesh.TexCoord3D.Add(internalPositions[index]);
voxelMesh.VoxelId.Add(0);
id++;
}
for (int i = 0; i < vertexNumbers.Count; i += 3)
{
Vector3 n = CalculateNormal(internalPositions[vertexNumbers[i]], internalPositions[vertexNumbers[i + 1]], internalPositions[vertexNumbers[i + 2]]);
Add(vertexNumbers[i + 2], n);
Add(vertexNumbers[i + 1], n);
Add(vertexNumbers[i], n);
}
this.Add(voxelMesh.Transform(Matrix4x4.CreateTranslation((Vector3)pos)));
}
}