public static extern VMdlVModelStruct *VMdlClipVModelByPlane(VMdlVModelStruct *Mdl, IrtPlnType *Pln, VMdlBoolOpType BoolOp);
public static extern VMdlVModelStruct *VMdlVModelUnion(VMdlVModelStruct *VMdlA, VMdlVModelStruct *VMdlB, VMdlBoolOpType OpType, VMdlAttribBlendObj *AttrBlendObj);