Disable mod_bsp_portalize by default

The cost is too high when loading fancy modern maps, and
r_useportalculling often doesn't improve perf (or even hurts it).

Closes https://gitlab.com/xonotic/darkplaces/-/issues/323

Signed-off-by: bones_was_here <bones_was_here@xonotic.au>

diff --git a/model_brush.c b/model_brush.c
index f07da5065bed0076bb25af3402dc1ac78de3b96a..19c17a40751d84e8a3ed358c50139f9f4544fdcb 100644 (file)
--- a/model_brush.c
+++ b/model_brush.c
@@ -64,7 +64,7 @@ cvar_t mod_q1bsp_polygoncollisions = {CF_CLIENT | CF_SERVER, "mod_q1bsp_polygonc
 cvar_t mod_q1bsp_traceoutofsolid = {CF_SHARED, "mod_q1bsp_traceoutofsolid", "1", "enables tracebox to move an entity that's stuck in solid brushwork out to empty space, 1 matches FTEQW and QSS and is required by many community maps (items/monsters will be missing otherwise), 0 matches old versions of DP and the original Quake engine (if your map or QC needs 0 it's buggy)"};
 cvar_t mod_q1bsp_zero_hullsize_cutoff = {CF_CLIENT | CF_SERVER, "mod_q1bsp_zero_hullsize_cutoff", "3", "bboxes with an X dimension smaller than this will use the smallest cliphull (0x0x0) instead of being rounded up to the player cliphull (32x32x56) in Q1BSP, or crouching player (32x32x36) in HLBSP"};
 
-cvar_t mod_bsp_portalize = {CF_CLIENT, "mod_bsp_portalize", "1", "enables portal generation from BSP tree (may take several seconds per map), used by r_drawportals, r_useportalculling, r_shadow_realtime_dlight_portalculling, r_shadow_realtime_world_compileportalculling"};
+cvar_t mod_bsp_portalize = {CF_CLIENT, "mod_bsp_portalize", "0", "enables portal generation from BSP tree (takes a minute or more and GBs of memory when loading a complex map), used by r_drawportals, r_useportalculling, r_shadow_realtime_dlight_portalculling, r_shadow_realtime_world_compileportalculling"};
 cvar_t mod_recalculatenodeboxes = {CF_CLIENT | CF_SERVER, "mod_recalculatenodeboxes", "1", "enables use of generated node bounding boxes based on BSP tree portal reconstruction, rather than the node boxes supplied by the map compiler"};
 
 cvar_t mod_obj_orientation = {CF_CLIENT | CF_SERVER, "mod_obj_orientation", "1", "fix orientation of OBJ models to the usual conventions (if zero, use coordinates as is)"};