public void Render()
{
gl.Enable(Capability.DepthTest);
gl.Clear(Buffers.Color | Buffers.Depth);
shaderProgram.Use(gl);
gl.BindVertexArray(vertexArray);
gl.BindBuffer(BufferTarget.Array, vertexBuffer);
gl.ActiveTexture(TextureUnit.Texture0);
gl.BindTexture(TextureTarget.Texture2d, texture);
chunkPool.Update();
var count = chunkPool.Uninitialized.Count;
foreach (var c in chunkPool.Disposed)
{
if (count > 0)
{
var(x, y, z) = chunkPool.Uninitialized[count - 1];
chunkPool.Uninitialized.RemoveAt(count - 1);
chunkPool.AddInsideRange(InitializeChunk(x, y, z, c));
count--;
}
else
{
break;
}
}
foreach (var(x, y, z) in chunkPool.Uninitialized)
{
chunkPool.AddInsideRange(InitializeChunk(x, y, z, new Chunk <bool>()));
}
foreach (var c in chunkPool.InsideRange)
{
if (frustum.SphereInFrustum(new Vector3(c.X * 16 + 8, c.Y * 16 + 8, c.Z * 16 + 8), chunkRadius) == FrustumIntersection.Outside)
{
continue;
}
index = 0;
int vertexCount = 0;
for (int i = 0; i < 16; i++)
{
for (int j = 0; j < 16; j++)
{
for (int k = 0; k < 16; k++)
{
if (c[i, j, k])
{
vertexCount += GenerateCubeFaces(c, i, j, k, vertexCount);
}
}
}
}
vertexCount += FlushVertices(vertexCount, index);
if (vertexCount > 0)
{
gl.DrawArrays(DrawMode.Triangles, 0, vertexCount);
}
}
gl.Disable(Capability.DepthTest);
}
