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convexhull shadow caching attempt

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This commit is contained in:
Regalis
2015-12-19 16:33:32 +02:00
parent e10bffde9b
commit 50cba53f25
1 changed files with 51 additions and 23 deletions
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Subsurface/Source/Map/Lights/ConvexHull.cs
+51 -23
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@@ -14,11 +14,16 @@ namespace Barotrauma.Lights
public Vector2 LightPos;
public CachedShadow(VertexPositionColor[] shadowVertices, VertexPositionTexture[] penumbraVertices, Vector2 lightPos)
public int ShadowVertexCount, PenumbraVertexCount;
public CachedShadow(VertexPositionColor[] shadowVertices, VertexPositionTexture[] penumbraVertices, Vector2 lightPos, int shadowVertexCount, int penumbraVertexCount)
{
ShadowVertices = shadowVertices;
PenumbraVertices = penumbraVertices;
ShadowVertexCount = shadowVertexCount;
PenumbraVertexCount = penumbraVertexCount;
LightPos = lightPos;
}
}
@@ -39,6 +44,8 @@ namespace Barotrauma.Lights
private VertexPositionColor[] shadowVertices;
private VertexPositionTexture[] penumbraVertices;
private VertexBuffer shadowBuffer, penumbraBuffer;
int shadowVertexCount;
private Entity parentEntity;
@@ -79,6 +86,8 @@ namespace Barotrauma.Lights
shadowVertices = new VertexPositionColor[6 * 2];
penumbraVertices = new VertexPositionTexture[6];
shadowBuffer = new VertexBuffer(GameMain.CurrGraphicsDevice, VertexPositionColor.VertexDeclaration, 6*2, BufferUsage.WriteOnly);
vertices = points;
primitiveCount = vertices.Length;
@@ -216,6 +225,10 @@ namespace Barotrauma.Lights
{
CalculatePenumbraVertices(startingIndex, endingIndex, lightSourcePos, los);
}
else
{
shadowBuffer.SetData(shadowVertices);
}
}
private void CalculatePenumbraVertices(int startingIndex, int endingIndex, Vector2 lightSourcePos, bool los)
@@ -266,35 +279,39 @@ namespace Barotrauma.Lights
if (!Enabled) return;
CachedShadow cachedShadow = null;
if (cachedShadows.TryGetValue(light, out cachedShadow) && false)
if (cachedShadows.TryGetValue(light, out cachedShadow) &&
(light.Position == cachedShadow.LightPos || Vector2.DistanceSquared(light.Position, cachedShadow.LightPos) < 1.0f))
{
if (light.Position == cachedShadow.LightPos ||
Vector2.DistanceSquared(light.WorldPosition, cachedShadow.LightPos) < 1.0f)
{
shadowVertices = cachedShadow.ShadowVertices;
penumbraVertices = cachedShadow.PenumbraVertices;
//{
shadowVertices = cachedShadow.ShadowVertices;
penumbraVertices = cachedShadow.PenumbraVertices;
}
else
{
CalculateShadowVertices(light.WorldPosition, los);
cachedShadow.LightPos = light.WorldPosition;
cachedShadow.ShadowVertices = shadowVertices;
cachedShadow.PenumbraVertices = penumbraVertices;
shadowVertexCount = cachedShadow.ShadowVertexCount;
}
//}
//else
//CalculateShadowVertices(light.Position, los);
//cachedShadow.LightPos = light.Position;
//cachedShadow.ShadowVertices = shadowVertices;
//cachedShadow.PenumbraVertices = penumbraVertices;
}
else
{
Vector2 lightPos = light.WorldPosition;
if (light.Submarine!=null && parentEntity != null && parentEntity.Submarine == light.Submarine)
{
lightPos = light.Position;
}
Vector2 lightPos = light.Position;
//if (light.Submarine!=null && parentEntity != null && parentEntity.Submarine == light.Submarine)
//{
// lightPos = light.Position;
//}
CalculateShadowVertices(lightPos, los);
// cachedShadow = new CachedShadow(shadowVertices, penumbraVertices, light.WorldPosition);
// cachedShadows.Add(light, cachedShadow);
if (cachedShadows.ContainsKey(light)) cachedShadows.Remove(light);
cachedShadow = new CachedShadow(shadowVertices, penumbraVertices, light.Position, shadowVertexCount, 0);
cachedShadows.Add(light, cachedShadow);
}
DrawShadows(graphicsDevice, cam, transform, los);
@@ -323,10 +340,21 @@ namespace Barotrauma.Lights
if (shadowVertexCount>0)
{
shadowEffect.World = Matrix.CreateTranslation(offset) * transform;
shadowEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, shadowVertices, 0, shadowVertexCount*2 - 2);
if (los || true)
{
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, shadowVertices, 0, shadowVertexCount * 2 - 2);
}
else
{
graphicsDevice.SetVertexBuffer(shadowBuffer);
graphicsDevice.DrawPrimitives(PrimitiveType.TriangleStrip, 0, shadowVertexCount);
}
}