/// <summary> Renders all translucent (e.g. water) blocks. </summary>
/// <remarks> Pixels drawn blend into existing geometry. </remarks>
public void RenderTranslucent(double deltaTime)
{
if (chunks == null)
{
return;
}
IGraphicsApi gfx = game.Graphics;
// First fill depth buffer
int vertices = game.Vertices;
gfx.SetBatchFormat(VertexFormat.P3fT2fC4b);
gfx.Texturing = false;
gfx.AlphaBlending = false;
gfx.ColWriteMask(false, false, false, false);
for (int batch = 0; batch < _1DUsed; batch++)
{
if (translucentPartsCount[batch] <= 0)
{
continue;
}
if (pendingTranslucent[batch] || usedTranslucent[batch])
{
RenderTranslucentBatch(batch);
pendingTranslucent[batch] = false;
}
}
game.Vertices = vertices;
// Then actually draw the transluscent blocks
gfx.AlphaBlending = true;
gfx.Texturing = true;
gfx.ColWriteMask(true, true, true, true);
gfx.DepthWrite = false; // we already calculated depth values in depth pass
int[] texIds = Atlas1D.TexIds;
gfx.EnableMipmaps();
for (int batch = 0; batch < _1DUsed; batch++)
{
if (translucentPartsCount[batch] <= 0)
{
continue;
}
if (!usedTranslucent[batch])
{
continue;
}
gfx.BindTexture(texIds[batch]);
RenderTranslucentBatch(batch);
}
gfx.DisableMipmaps();
gfx.DepthWrite = true;
// If we weren't under water, render weather after to blend properly
if (!inTranslucent && game.World.Env.Weather != Weather.Sunny)
{
gfx.AlphaTest = true;
game.WeatherRenderer.Render(deltaTime);
gfx.AlphaTest = false;
}
gfx.AlphaBlending = false;
gfx.Texturing = false;
}
