private void PrepareSpotlights()
{
MyLights.SpotlightsBvh.OverlapAllFrustum(ref MyEnvironment.ViewFrustumClippedD, MyLightRendering.VisibleSpotlights);
if (MyLightRendering.VisibleSpotlights.Count == 0)
{
OtherShadowsTriangleCounter = 0;
}
MyLightRendering.VisibleSpotlights.Sort(m_spotlightCastersComparer);
MyArrayHelpers.Reserve(ref MyLightRendering.Spotlights, MyLightRendering.VisibleSpotlights.Count);
int index = 0;
int casterIndex = 0;
foreach (var id in MyLightRendering.VisibleSpotlights)
{
var nearPlaneDistance = 0.5f;
var worldMatrix = MatrixD.CreateTranslation(MyEnvironment.CameraPosition);
var viewMatrix = MatrixD.CreateLookAt(id.Position, id.Position + MyLights.Spotlights[id.Index].Direction, MyLights.Spotlights[id.Index].Up);
var projectionMatrix = MatrixD.CreatePerspectiveFieldOfView((float)(Math.Acos(MyLights.Spotlights[id.Index].ApertureCos) * 2), 1.0f, nearPlaneDistance, Math.Max(id.ShadowDistance, nearPlaneDistance));
var viewProjection = viewMatrix * projectionMatrix;
MatrixD worldViewProjection = worldMatrix * viewProjection;
MyLightRendering.Spotlights[index].ShadowMatrix = Matrix.Transpose(worldViewProjection * MyMatrixHelpers.ClipspaceToTexture);
if (id.CastsShadows && casterIndex < MAX_SPOTLIGHT_SHADOWCASTERS)
{
if (ShadowmapsPool.Count <= casterIndex)
{
ShadowmapsPool.Add(MyRwTextures.CreateShadowmap(SpotlightShadowmapSize, SpotlightShadowmapSize));
}
MyLights.Lights.Data[id.Index].CastsShadowsThisFrame = true;
var query = new MyShadowmapQuery
{
DepthBuffer = ShadowmapsPool[casterIndex].Dsv,
Viewport = new MyViewport(SpotlightShadowmapSize, SpotlightShadowmapSize),
QueryType = MyFrustumEnum.ShadowProjection,
ProjectionInfo = new MyProjectionInfo
{
WorldCameraOffsetPosition = MyEnvironment.CameraPosition,
WorldToProjection = viewProjection,
LocalToProjection = worldViewProjection
},
IgnoredEntities = MyLights.IgnoredEntitites.ContainsKey(id) ? MyLights.IgnoredEntitites[id] : null,
};
m_shadowmapQueries.Add(query);
++casterIndex;
}
else
{
MyLights.Lights.Data[id.Index].CastsShadowsThisFrame = false;
}
MyLights.WriteSpotlightConstants(id, ref MyLightRendering.Spotlights[index]);
index++;
}
}
static void PrepareSpotlights()
{
MyLights.SpotlightsBvh.OverlapAllFrustum(ref MyEnvironment.ViewFrustum, MyLightRendering.VisibleSpotlights);
MyLightRendering.VisibleSpotlights.Sort(m_spotlightCastersComparer);
while (MyLightRendering.VisibleSpotlights.Count > MAX_SPOTLIGHT_SHADOWCASTERS)
{
MyLightRendering.VisibleSpotlights.RemoveAtFast(MyLightRendering.VisibleSpotlights.Count - 1);
}
MyArrayHelpers.Reserve(ref MyLightRendering.Spotlights, MyLightRendering.VisibleSpotlights.Count);
int index = 0;
int casterIndex = 0;
foreach (var id in MyLightRendering.VisibleSpotlights)
{
MyLights.WriteSpotlightConstants(id, ref MyLightRendering.Spotlights[index]);
if (id.CastsShadows)
{
var query = new MyShadowmapQuery();
if (MyLights.IgnoredEntitites.ContainsKey(id))
{
query.IgnoredEntities = MyLights.IgnoredEntitites[id];
}
var shadowMatrix = Matrix.CreateLookAt(id.Position, id.Position + MyLights.Spotlights[id.Index].Direction, MyLights.Spotlights[id.Index].Up) *
Matrix.CreatePerspectiveFieldOfView((float)(Math.Acos(MyLights.Spotlights[id.Index].ApertureCos) * 2), 1.0f, 0.5f, id.ShadowDistance);
if (ShadowmapsPool.Count <= casterIndex)
{
ShadowmapsPool.Add(MyRwTextures.CreateShadowmap(512, 512));
}
query.DepthBuffer = ShadowmapsPool[casterIndex].Dsv;
query.Viewport = new MyViewport(512, 512);
query.QueryType = MyFrustumEnum.ShadowProjection;
query.ProjectionInfo = new MyProjectionInfo
{
WorldCameraOffsetPosition = MyEnvironment.CameraPosition,
WorldToProjection = shadowMatrix,
LocalToProjection = Matrix.CreateTranslation(MyEnvironment.CameraPosition) * shadowMatrix
};
MyLightRendering.Spotlights[index].ShadowMatrix = Matrix.Transpose(query.ProjectionInfo.CurrentLocalToProjection * MyMatrixHelpers.ClipspaceToTexture);
m_shadowmapQueries.Add(query);
casterIndex++;
}
index++;
}
}
private void PrepareSpotlights()
{
MyLights.Update();
MyLights.SpotlightsBvh.OverlapAllFrustum(ref MyRender11.Environment.ViewFrustumClippedD, MyLightRendering.VisibleSpotlights);
if (MyLightRendering.VisibleSpotlights.Count == 0)
{
OtherShadowsTriangleCounter = 0;
}
MyLightRendering.VisibleSpotlights.Sort(m_spotlightCastersComparer);
int index = 0;
int casterIndex = 0;
var worldMatrix = MatrixD.CreateTranslation(MyRender11.Environment.CameraPosition);
foreach (var id in MyLightRendering.VisibleSpotlights)
{
if (id.CastsShadows && casterIndex < MAX_SPOTLIGHT_SHADOWCASTERS)
{
if (ShadowmapsPool.Count <= casterIndex)
{
ShadowmapsPool.Add(MyRwTextures.CreateShadowmap(SpotlightShadowmapSize, SpotlightShadowmapSize));
}
MyLights.Lights.Data[id.Index].CastsShadowsThisFrame = true;
MatrixD viewProjection = MyLights.GetSpotlightViewProjection(id);
var query = new MyShadowmapQuery
{
DepthBuffer = ShadowmapsPool[casterIndex].Dsv,
Viewport = new MyViewport(SpotlightShadowmapSize, SpotlightShadowmapSize),
QueryType = MyFrustumEnum.ShadowProjection,
ProjectionInfo = new MyProjectionInfo
{
WorldCameraOffsetPosition = MyRender11.Environment.CameraPosition,
WorldToProjection = viewProjection,
LocalToProjection = worldMatrix * viewProjection
},
IgnoredEntities = MyLights.IgnoredEntitites.ContainsKey(id) ? MyLights.IgnoredEntitites[id] : null,
};
m_shadowmapQueries.Add(query);
++casterIndex;
}
else
{
MyLights.Lights.Data[id.Index].CastsShadowsThisFrame = false;
}
index++;
}
}