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LightSource vertices are recalculated if another submarine within the range of the light has moved relative to the sub the light is in

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This commit is contained in:
Regalis
2017-03-20 17:15:12 +02:00
parent d6074d23ab
commit 7c6ea5b1c0
1 changed files with 23 additions and 5 deletions
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28
Subsurface/Source/Map/Lights/LightSource.cs
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@@ -40,6 +40,8 @@ namespace Barotrauma.Lights
//when were the vertices of the light volume last calculated
private float lastRecalculationTime;
private Dictionary<Submarine, Vector2> diffToSub;
private DynamicVertexBuffer lightVolumeBuffer;
private DynamicIndexBuffer lightVolumeIndexBuffer;
private int vertexCount;
@@ -122,7 +124,7 @@ namespace Barotrauma.Lights
color = new Color(ToolBox.GetAttributeVector4(element, "color", Vector4.One));
CastShadows = ToolBox.GetAttributeBool(element, "castshadows", true);
foreach (XElement subElement in element.Elements())
{
switch (subElement.Name.ToString().ToLowerInvariant())
@@ -150,7 +152,9 @@ namespace Barotrauma.Lights
CastShadows = true;
texture = LightTexture;
diffToSub = new Dictionary<Submarine, Vector2>();
GameMain.LightManager.AddLight(this);
}
@@ -269,20 +273,34 @@ namespace Barotrauma.Lights
else
{
if (sub.DockedTo.Contains(ParentSub) && !NeedsHullCheck) continue;
lightPos -= (sub.Position - ParentSub.Position);
Rectangle subBorders = sub.Borders;
subBorders.Location += sub.HiddenSubPosition.ToPoint() - new Point(0, sub.Borders.Height);
//only draw if the light overlaps with the sub
//don't draw any shadows if the light doesn't overlap with the borders of the sub
if (!MathUtils.CircleIntersectsRectangle(lightPos, range, subBorders))
{
if (chList.List.Count > 0) NeedsRecalculation = true;
chList.List.Clear();
continue;
}
//recalculate vertices if the subs have moved > 5 px relative to each other
Vector2 diff = ParentSub.WorldPosition - sub.WorldPosition;
Vector2 prevDiff;
if (!diffToSub.TryGetValue(sub, out prevDiff))
{
diffToSub.Add(sub, diff);
NeedsRecalculation = true;
}
else if (Vector2.DistanceSquared(diff, prevDiff) > 5.0f*5.0f)
{
diffToSub[sub] = diff;
NeedsRecalculation = true;
}
RefreshConvexHullList(chList, lightPos, sub);
}
}