Add BSP2 support to the remaining utils. Since these share the common
bspfile.[ch] files, it was more effort than is justifiable to break this
into multiple staged patches - so you just get this disgustingly big
commit instead. Here is basically what was done:
* Modify the bspdata_t struct with a union of the two bsp formats
* Modify the tools to use bsp2_t for all internal processing
* Split out the byte swapping routines for the different bsp data types
* Add simple (although verbose) code to convert bsp29 <-> bsp2
Hundreds of lines added to bspfile.c, but mostly trivial stuff. The tools
internally had little modification except to substitute the bsp2 type
names.
Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
Transition all tools to access the BSP data via the bspdata struct instead
of the shared globals. Remove the compatibility code from bspfile which
copied the global values to/from the instanced bspdata struct.
Mostly the changes just involved passing along the bspdata struct to the
various functions which needed to reference the data. TraceLine and
MakeTNodes in light got some extra changes so that we cache the node
dplane pointer and remove the need to pass the bspdata struct to every
trace operation!
Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
Rename the default bsp29 data types and add the bsp2 data types to
the common bspfile.h. Propogate the bsp29 names into the other tools as
simple renames for now.
Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
Substantial changes to TestLineOrSky which now becomes TraceLine to
more conveniently trace lines through the BSP and, terminate the trace
on specific contents and return information about the termination
point.
TraceLine also more correcly handles the cases where points are close
enough to the node planes to be considered "on-node" to ensure we get
a good intersection point back, when requested.
Finally, the algorithm for making the small adjustments to surface
points in CalcPoints has been changed so if the surface point can't
see the midpoint, we find the obscuring surface and move the surface
point just above that. Seems to work better and eliminates some (but
not quite all - midpoint is still not quite the ideal point to use)
random black spots.
Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
Brush models can now self shadow without casting shadows on their
environment, using the "_shadowself" entity key.
Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
Eric Wasylishen
Kevin Shanahan
Tyrann