void DrawTranslucentPart( ChunkInfo info, ref ChunkPartInfo part )
{
api.BindVb( part.VbId );
bool drawLeft = (drawAllFaces || info.DrawLeft) && part.LeftCount > 0;
bool drawRight = (drawAllFaces || info.DrawRight) && part.RightCount > 0;
bool drawBottom = (drawAllFaces || info.DrawBottom) && part.BottomCount > 0;
bool drawTop = (drawAllFaces || info.DrawTop) && part.TopCount > 0;
bool drawFront = (drawAllFaces || info.DrawFront) && part.FrontCount > 0;
bool drawBack = (drawAllFaces || info.DrawBack) && part.BackCount > 0;
if( drawLeft && drawRight ) {
api.DrawIndexedVb_TrisT2fC4b( part.LeftCount + part.RightCount, part.LeftIndex );
} else if( drawLeft ) {
api.DrawIndexedVb_TrisT2fC4b( part.LeftCount, part.LeftIndex );
} else if( drawRight ) {
api.DrawIndexedVb_TrisT2fC4b( part.RightCount, part.RightIndex );
}
if( drawFront && drawBack ) {
api.DrawIndexedVb_TrisT2fC4b( part.FrontCount + part.BackCount, part.FrontIndex );
} else if( drawFront ) {
api.DrawIndexedVb_TrisT2fC4b( part.FrontCount, part.FrontIndex );
} else if( drawBack ) {
api.DrawIndexedVb_TrisT2fC4b( part.BackCount, part.BackIndex );
}
if( drawBottom && drawTop ) {
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount + part.TopCount, part.BottomIndex );
} else if( drawBottom ) {
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount, part.BottomIndex );
} else if( drawTop ) {
api.DrawIndexedVb_TrisT2fC4b( part.TopCount, part.TopIndex );
}
}
void DrawPart( ChunkInfo info, ref ChunkPartInfo part )
{
api.BindVb( part.VbId );
bool drawLeft = info.DrawLeft && part.LeftCount > 0;
bool drawRight = info.DrawRight && part.RightCount > 0;
bool drawBottom = info.DrawBottom && part.BottomCount > 0;
bool drawTop = info.DrawTop && part.TopCount > 0;
bool drawFront = info.DrawFront && part.FrontCount > 0;
bool drawBack = info.DrawBack && part.BackCount > 0;
if( drawLeft && drawRight ) {
api.FaceCulling = true;
api.DrawIndexedVb_TrisT2fC4b( part.LeftCount + part.RightCount, part.LeftIndex );
api.FaceCulling = false;
} else if( drawLeft ) {
api.DrawIndexedVb_TrisT2fC4b( part.LeftCount, part.LeftIndex );
} else if( drawRight ) {
api.DrawIndexedVb_TrisT2fC4b( part.RightCount, part.RightIndex );
}
if( drawFront && drawBack ) {
api.FaceCulling = true;
api.DrawIndexedVb_TrisT2fC4b( part.FrontCount + part.BackCount, part.FrontIndex );
api.FaceCulling = false;
} else if( drawFront ) {
api.DrawIndexedVb_TrisT2fC4b( part.FrontCount, part.FrontIndex );
} else if( drawBack ) {
api.DrawIndexedVb_TrisT2fC4b( part.BackCount, part.BackIndex );
}
if( drawBottom && drawTop ) {
api.FaceCulling = true;
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount + part.TopCount, part.BottomIndex );
api.FaceCulling = false;
} else if( drawBottom ) {
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount, part.BottomIndex );
} else if( drawTop ) {
api.DrawIndexedVb_TrisT2fC4b( part.TopCount, part.TopIndex );
}
}
void IncrementUsed( ChunkPartInfo[] parts )
{
if( parts == null ) return;
for( int i = 0; i < parts.Length; i++ ) {
if( parts[i].IndicesCount == 0 ) continue;
renderer.totalUsed[i]++;
}
}
void DrawBigPart( ChunkInfo info, ref ChunkPartInfo part )
{
api.BindVb( part.VbId );
bool drawLeft = info.DrawLeft && part.LeftCount > 0;
bool drawRight = info.DrawRight && part.RightCount > 0;
bool drawBottom = info.DrawBottom && part.BottomCount > 0;
bool drawTop = info.DrawTop && part.TopCount > 0;
bool drawFront = info.DrawFront && part.FrontCount > 0;
bool drawBack = info.DrawBack && part.BackCount > 0;
if( drawLeft && drawRight ) {
api.FaceCulling = true;
api.DrawIndexedVb_TrisT2fC4b( part.LeftCount + part.RightCount, part.LeftIndex );
api.FaceCulling = false;
} else if( drawLeft ) {
api.DrawIndexedVb_TrisT2fC4b( part.LeftCount, part.LeftIndex );
} else if( drawRight ) {
api.DrawIndexedVb_TrisT2fC4b( part.RightCount, part.RightIndex );
}
if( drawFront && drawBack ) {
api.FaceCulling = true;
api.DrawIndexedVb_TrisT2fC4b( part.FrontCount + part.BackCount, part.FrontIndex );
api.FaceCulling = false;
} else if( drawFront ) {
api.DrawIndexedVb_TrisT2fC4b( part.FrontCount, part.FrontIndex );
} else if( drawBack ) {
api.DrawIndexedVb_TrisT2fC4b( part.BackCount, part.BackIndex );
}
// Special handling for top and bottom as these can go over 65536 vertices and we need to adjust the indices in this case.
if( drawBottom && drawTop ) {
api.FaceCulling = true;
if( part.IndicesCount > maxIndices ) {
int part1Count = maxIndices - part.BottomIndex;
api.DrawIndexedVb_TrisT2fC4b( part1Count, part.BottomIndex );
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount + part.TopCount - part1Count, maxVertex, 0 );
} else {
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount + part.TopCount, part.BottomIndex );
}
api.FaceCulling = false;
} else if( drawBottom ) {
int part1Count;
if( part.IndicesCount > maxIndices &&
( part1Count = maxIndices - part.BottomIndex ) < part.BottomCount ) {
api.DrawIndexedVb_TrisT2fC4b( part1Count, part.BottomIndex );
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount - part1Count, maxVertex, 0 );
} else {
api.DrawIndexedVb_TrisT2fC4b( part.BottomCount, part.BottomIndex );
}
} else if( drawTop ) {
int part1Count;
if( part.IndicesCount > maxIndices &&
( part1Count = maxIndices - part.TopIndex ) < part.TopCount ) {
api.DrawIndexedVb_TrisT2fC4b( part1Count, part.TopIndex );
api.DrawIndexedVb_TrisT2fC4b( part.TopCount - part1Count, maxVertex, 0 );
} else {
api.DrawIndexedVb_TrisT2fC4b( part.TopCount, part.TopIndex );
}
}
}
void DeleteData( ref ChunkPartInfo[] parts, bool decUsed )
{
if( decUsed ) DecrementUsed( parts );
if( parts == null ) return;
for( int i = 0; i < parts.Length; i++ )
api.DeleteVb( parts[i].VbId );
parts = null;
}
