HLBSP

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HLBSP - Compiler program. It'senerates the BSP trees for the map and creates a runnable BSP. It replaces QCSG/CSG (qbsp2.exe) from the original compile tools.

Commands

• -leakonly
  • Run BSP only enough to check for LEAKs.
    • If you already know a map has a leak, this is a good option to just save some time in HLBSP and just generate the pts file.

• -noopt
  • Skip plane optimization on output.
    • HLBSP version p14 and later automatically removes unused planes when writing the output BSP. This switch turns off that behavior.

• -maxnodesize #
  • Sets the maximum portal node size.
    • This option tweaks the maximum size of a portal node. Setting it smaller will bsp the world into smaller chunks at the cost of higher r_speed values, but it can pay itself back in many cases with making vis either faster, or more accurate, or both.

• -noclip
  • Don't process the clipping hull (not for final runs).
    • This is a continuation of the -noclip option in HLCSG. In this case it tells HLBSP that HLCSG was compiled with -noclip and to not attempt to BSP the collision hulls as they are not present in the bsp.

• -nofill
  • Don't fill outside (will mask LEAKs) (not for final runs).
    • This step causes filling to not be performed, which will cause all the faces on the outside of the map to not be discarded. It is probably a bad idea to rad a map that has been compiled this way, though vis should run normally.

• -nonulltex
  • Disables NULL texture stripping.

• -notjunc
  • Don't break edges on t-junctions (not for final runs).
    • This is a development/debugging option that should not be set in normal use.

• -subdivide #
  • Sets the face subdivide size.
    • Faces in Half-Life are subdivided by this value (in units). The default is 240, and it should never need to be set lower (as it just increases r_speed values). Setting the value higher may cause problems in software mode. If in doubt, leave at the failsafe default value of 240.