private static CSGWireframe CreateSurfaceWireframe(Int32 brushNodeID, Int32 surfaceID)
{
int vertexCount = 0, visibleOuterLineCount = 0;
int visibleInnerLineCount = 0, visibleTriangleCount = 0;
int invisibleOuterLineCount = 0, invisibleInnerLineCount = 0;
int invalidLineCount = 0;
if (!GetSurfaceOutlineSizes(brushNodeID,
surfaceID,
out vertexCount, out visibleOuterLineCount,
out visibleInnerLineCount, out visibleTriangleCount,
out invisibleOuterLineCount, out invisibleInnerLineCount,
out invalidLineCount))
{
return(null);
}
if (vertexCount == 0 ||
(visibleOuterLineCount == 0 && invisibleOuterLineCount == 0 &&
visibleInnerLineCount == 0 && invisibleInnerLineCount == 0 &&
visibleTriangleCount == 0 &&
invalidLineCount == 0))
{
return(null);
}
var wireframe = new CSGWireframe
{
vertices = new Vector3[vertexCount],
visibleOuterLines = new Int32[visibleOuterLineCount],
visibleInnerLines = new Int32[visibleInnerLineCount],
visibleTriangles = new Int32[visibleTriangleCount],
invisibleOuterLines = new Int32[invisibleOuterLineCount],
invisibleInnerLines = new Int32[invisibleInnerLineCount],
invalidLines = new Int32[invalidLineCount]
};
var verticesHandle = GCHandle.Alloc(wireframe.vertices, GCHandleType.Pinned);
var visibleOuterLinesHandle = GCHandle.Alloc(wireframe.visibleOuterLines, GCHandleType.Pinned);
var visibleInnerLinesHandle = GCHandle.Alloc(wireframe.visibleInnerLines, GCHandleType.Pinned);
var visibleTrianglesHandle = GCHandle.Alloc(wireframe.visibleTriangles, GCHandleType.Pinned);
var invisibleOuterLinesHandle = GCHandle.Alloc(wireframe.invisibleOuterLines, GCHandleType.Pinned);
var invisibleInnerLinesHandle = GCHandle.Alloc(wireframe.invisibleInnerLines, GCHandleType.Pinned);
var invalidLinesHandle = GCHandle.Alloc(wireframe.invalidLines, GCHandleType.Pinned);
var verticesPtr = verticesHandle.AddrOfPinnedObject();
var visibleOuterLinesPtr = visibleOuterLinesHandle.AddrOfPinnedObject();
var visibleInnerLinesPtr = visibleInnerLinesHandle.AddrOfPinnedObject();
var visibleTrianglesPtr = visibleTrianglesHandle.AddrOfPinnedObject();
var invisibleOuterLinesPtr = invisibleOuterLinesHandle.AddrOfPinnedObject();
var invisibleInnerLinesPtr = invisibleInnerLinesHandle.AddrOfPinnedObject();
var invalidLinesPtr = invalidLinesHandle.AddrOfPinnedObject();
bool success = GetSurfaceOutlineValues(brushNodeID, surfaceID,
vertexCount, verticesPtr,
visibleOuterLineCount, visibleOuterLinesPtr,
visibleInnerLineCount, visibleInnerLinesPtr,
visibleTriangleCount, visibleTrianglesPtr,
invisibleOuterLineCount, invisibleOuterLinesPtr,
invisibleInnerLineCount, invisibleInnerLinesPtr,
invalidLineCount, invalidLinesPtr);
verticesHandle.Free();
visibleOuterLinesHandle.Free();
visibleInnerLinesHandle.Free();
visibleTrianglesHandle.Free();
invisibleOuterLinesHandle.Free();
invisibleInnerLinesHandle.Free();
invalidLinesHandle.Free();
if (!success)
{
return(null);
}
wireframe.outlineGeneration = GetBrushOutlineGeneration(brushNodeID);
return(wireframe);
}
private static bool UpdateBrushWireframe(CSGWireframe wireframe)
{
int vertexCount = 0;
int visibleOuterLineCount = 0;
int visibleInnerLineCount = 0;
int invisibleOuterLineCount = 0;
int invisibleInnerLineCount = 0;
int invalidLineCount = 0;
if (!GetBrushOutlineSizes(wireframe.originBrushID,
out vertexCount, out visibleOuterLineCount,
out visibleInnerLineCount, out invisibleOuterLineCount,
out invisibleInnerLineCount, out invalidLineCount))
{
return(false);
}
if (vertexCount == 0 ||
(visibleOuterLineCount == 0 && invisibleOuterLineCount == 0 &&
visibleInnerLineCount == 0 && invisibleInnerLineCount == 0 &&
invalidLineCount == 0))
{
return(false);
}
if (wireframe.vertices.Length != vertexCount)
{
wireframe.vertices = new Vector3[vertexCount];
}
if (wireframe.visibleOuterLines.Length != visibleOuterLineCount)
{
wireframe.visibleOuterLines = new Int32[visibleOuterLineCount];
}
if (wireframe.visibleInnerLines.Length != visibleInnerLineCount)
{
wireframe.visibleInnerLines = new Int32[visibleInnerLineCount];
}
if (wireframe.invisibleOuterLines.Length != invisibleOuterLineCount)
{
wireframe.invisibleOuterLines = new Int32[invisibleOuterLineCount];
}
if (wireframe.invisibleInnerLines.Length != invisibleInnerLineCount)
{
wireframe.invisibleInnerLines = new Int32[invisibleInnerLineCount];
}
if (wireframe.invalidLines.Length != invalidLineCount)
{
wireframe.invalidLines = new Int32[invalidLineCount];
}
var verticesHandle = GCHandle.Alloc(wireframe.vertices, GCHandleType.Pinned);
var visibleOuterLinesHandle = GCHandle.Alloc(wireframe.visibleOuterLines, GCHandleType.Pinned);
var visibleInnerLinesHandle = GCHandle.Alloc(wireframe.visibleInnerLines, GCHandleType.Pinned);
var invisibleOuterLinesHandle = GCHandle.Alloc(wireframe.invisibleOuterLines, GCHandleType.Pinned);
var invisibleInnerLinesHandle = GCHandle.Alloc(wireframe.invisibleInnerLines, GCHandleType.Pinned);
var invalidLinesHandle = GCHandle.Alloc(wireframe.invalidLines, GCHandleType.Pinned);
var verticesPtr = verticesHandle.AddrOfPinnedObject();
var visibleOuterLinesPtr = visibleOuterLinesHandle.AddrOfPinnedObject();
var visibleInnerLinesPtr = visibleInnerLinesHandle.AddrOfPinnedObject();
var invisibleOuterLinesPtr = invisibleOuterLinesHandle.AddrOfPinnedObject();
var invisibleInnerLinesPtr = invisibleInnerLinesHandle.AddrOfPinnedObject();
var invalidLinesPtr = invalidLinesHandle.AddrOfPinnedObject();
bool success = GetBrushOutlineValues(wireframe.originBrushID,
vertexCount, verticesPtr,
visibleOuterLineCount, visibleOuterLinesPtr,
visibleInnerLineCount, visibleInnerLinesPtr,
invisibleOuterLineCount, invisibleOuterLinesPtr,
invisibleInnerLineCount, invisibleInnerLinesPtr,
invalidLineCount, invalidLinesPtr);
verticesHandle.Free();
visibleOuterLinesHandle.Free();
visibleInnerLinesHandle.Free();
invisibleOuterLinesHandle.Free();
invisibleInnerLinesHandle.Free();
invalidLinesHandle.Free();
if (!success)
{
return(false);
}
wireframe.outlineGeneration = GetBrushOutlineGeneration(wireframe.originBrushID);
return(true);
}
