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more protections against invalid copy operations

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Gered 2013-08-27 21:26:55 -04:00
parent 68a401a463
commit 85f57cd733
1 changed files with 4 additions and 0 deletions
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4
Blarg.GameFramework/Graphics/VertexBuffer.cs
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@ -289,6 +289,8 @@ namespace Blarg.GameFramework.Graphics
{ {
if (source == null) if (source == null)
throw new ArgumentNullException("source"); throw new ArgumentNullException("source");
if (source.NumElements <= 0)
throw new InvalidOperationException();
Copy(source, destVertexIndex, 0, source.NumElements); Copy(source, destVertexIndex, 0, source.NumElements);
} }
@ -297,6 +299,8 @@ namespace Blarg.GameFramework.Graphics
{ {
if (source == null) if (source == null)
throw new ArgumentNullException("source"); throw new ArgumentNullException("source");
if (source.NumElements <= 0)
throw new InvalidOperationException();
if (destVertexIndex <= 0 || destVertexIndex >= NumElements) if (destVertexIndex <= 0 || destVertexIndex >= NumElements)
throw new ArgumentOutOfRangeException("destVertexIndex"); throw new ArgumentOutOfRangeException("destVertexIndex");
if (sourceVertexIndex <= 0 || sourceVertexIndex >= source.NumElements) if (sourceVertexIndex <= 0 || sourceVertexIndex >= source.NumElements)