[Gtkradiant] BSP tree building algorithm

[Raghu Rama Aditya - Roll No.99048]

Hi ,
	Can any one tell me where i can find good algorithms for BSP tree
creation. my friends and i are planning to write a 3d fps for which we are
planning to write a BSP engine(similar to q3, just kidding!!!!!!).
please help us

						aditya