internal static FlareId Update(int parentGID, FlareId flareId, MyFlareDesc desc)
{
if (desc.Enabled)
{
if (flareId == FlareId.NULL)
{
flareId = new FlareId {
Index = m_flares.Allocate()
}
}
;
var gid = parentGID;
if (gid != -1 && MyIDTracker <MyActor> .FindByID((uint)gid) != null)
{
var matrix = MyIDTracker <MyActor> .FindByID((uint)gid).WorldMatrix;
Vector3.TransformNormal(ref desc.Direction, ref matrix, out desc.Direction);
}
desc.MaxDistance = (desc.MaxDistance > 0)
? (float)Math.Min(MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE, desc.MaxDistance)
: MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE;
m_flares.Data[flareId.Index] = desc;
}
else if (flareId != FlareId.NULL)
{
m_flares.Free(flareId.Index);
flareId = FlareId.NULL;
}
return(flareId);
}
private static void DrawNormalFlare(Vector3D position, ref MyFlareDesc flare, Vector3 L, float distance)
{
//if (m_occlusionRatio <= MyMathConstants.EPSILON)
// return;
var intensity = flare.Intensity;
var maxDistance = flare.MaxDistance;
//float alpha = m_occlusionRatio * intensity;
float alpha = intensity;
const float minFlareRadius = 0.2f;
const float maxFlareRadius = 10;
float radius = MathHelper.Clamp(flare.Range * 20, minFlareRadius, maxFlareRadius);
float drawingRadius = radius * flare.Size;
if (flare.Type == Lights.MyGlareTypeEnum.Directional)
{
float dot = Vector3.Dot(L, flare.Direction);
alpha *= dot;
}
if (alpha <= MyMathConstants.EPSILON)
{
return;
}
if (distance > maxDistance * .5f)
{
// distance falloff
float falloff = (distance - .5f * maxDistance) / (.5f * maxDistance);
falloff = (float)Math.Max(0, 1 - falloff);
drawingRadius *= falloff;
alpha *= falloff;
}
if (drawingRadius <= float.Epsilon)
{
return;
}
var color = flare.Color;
//color.A = 0;
var material = MyTransparentMaterials.GetMaterial(flare.Material.ToString());
MyBillboardsHelper.AddBillboardOriented(flare.Material.ToString(),
color * alpha, position, MyRender11.Environment.Matrices.InvView.Left, MyRender11.Environment.Matrices.InvView.Up, drawingRadius);
}
internal static FlareId Set(FlareId flareId, MyFlareDesc desc)
{
if (desc.Enabled)
{
if (flareId == FlareId.NULL)
{
flareId = new FlareId {
Index = m_flares.Allocate()
};
}
if (Math.Abs(desc.Intensity) > 0.01f)
{
if (m_flares.Data[flareId.Index].Query == null)
{
m_flares.Data[flareId.Index].Query = MyOcclusionQueryRenderer.Get(desc.Material.ToString());
}
}
else if (m_flares.Data[flareId.Index].Query != null)
{
MyOcclusionQueryRenderer.Remove(m_flares.Data[flareId.Index].Query);
m_flares.Data[flareId.Index].Query = null;
}
if (desc.MaxDistance > 0)
{
if (m_flares.Data[flareId.Index].Desc.Type != Lights.MyGlareTypeEnum.Distant)
{
desc.MaxDistance = Math.Min(MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE, desc.MaxDistance);
}
}
else
{
desc.MaxDistance = MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE;
}
m_flares.Data[flareId.Index].Desc = desc;
if (desc.ParentGID == -1)
{
m_flares.Data[flareId.Index].DirectionWorld = desc.Direction;
}
}
else
{
Remove(flareId);
flareId = FlareId.NULL;
}
return(flareId);
}
private static void DrawDistantFlare(Vector3D position, ref MyFlareDesc flare, float distance)
{
//float alpha = m_occlusionRatio * intensity;
float alpha = flare.Intensity * (flare.QuerySize / 7.5f);
if (alpha < MyMathConstants.EPSILON)
{
return;
}
const int minFlareRadius = 5;
const int maxFlareRadius = 150;
//flare.QuerySize
// parent range
float drawingRadius = MathHelper.Clamp(flare.Range * distance / 1000.0f, minFlareRadius, maxFlareRadius);
var startFadeout = 800;
var endFadeout = 1000;
if (distance > startFadeout)
{
var fade = (distance - startFadeout) / (endFadeout - startFadeout);
alpha *= (1 - fade);
}
if (alpha < MyMathConstants.EPSILON)
{
return;
}
var color = flare.Color;
//color.A = 0;
var material = (flare.Type == Lights.MyGlareTypeEnum.Distant && distance > MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE) ? "LightGlareDistant" : "LightGlare";
MyBillboardsHelper.AddBillboardOriented(material,
color * alpha, position, MyRender11.Environment.Matrices.InvView.Left, MyRender11.Environment.Matrices.InvView.Up, drawingRadius);
}
internal static FlareId Update(FlareId flareId, MyFlareDesc desc)
{
if (desc.Enabled)
{
if (flareId == FlareId.NULL)
{
flareId = new FlareId {
Index = m_flares.Allocate()
};
}
desc.MaxDistance = (desc.MaxDistance > 0)
? (float)Math.Min(MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE, desc.MaxDistance)
: MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE;
m_flares.Data[flareId.Index] = desc;
}
else if (flareId != FlareId.NULL)
{
m_flares.Free(flareId.Index);
flareId = FlareId.NULL;
}
return(flareId);
}
