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Skip drawing sprite groups we can never see.

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This commit is contained in:
UnknownShadow200 2016-04-28 09:09:22 +10:00
parent 8391d0ae79
commit c80781045d
1 changed files with 9 additions and 1 deletions
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10
ClassicalSharp/Rendering/MapRenderer.cs
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@ -145,8 +145,16 @@ namespace ClassicalSharp.Renderers {
DrawPart( info, ref part );
if( part.SpriteCount > 0 ) {
int groupCount = part.SpriteCount / 4;
api.FaceCulling = true;
api.DrawIndexedVb_TrisT2fC4b( part.SpriteCount, 0 );
if( info.DrawRight || info.DrawFront )
api.DrawIndexedVb_TrisT2fC4b( groupCount, 0 );
if( info.DrawLeft || info.DrawBack )
api.DrawIndexedVb_TrisT2fC4b( groupCount, groupCount );
if( info.DrawLeft || info.DrawFront )
api.DrawIndexedVb_TrisT2fC4b( groupCount, groupCount * 2 );
if( info.DrawRight || info.DrawBack )
api.DrawIndexedVb_TrisT2fC4b( groupCount, groupCount * 3 );
api.FaceCulling = false;
}
game.Vertices += part.IndicesCount;