PVS: dynamically allocate all FatPVS buffers

[xonotic/darkplaces.git] / svvm_cmds.c

diff --git a/svvm_cmds.c b/svvm_cmds.c
index 4ad07559b7473ba25fbf1fe0007c88c3ee19795a..770f1abededce1e8f91b465b3187c0ad606f49cd 100644 (file)
--- a/svvm_cmds.c
+++ b/svvm_cmds.c
@@ -781,8 +781,7 @@ static void VM_SV_tracetoss(prvm_prog_t *prog)
 
 //============================================================================
 
-static int checkpvsbytes;
-static unsigned char checkpvs[MAX_MAP_LEAFS/8];
+static unsigned char *checkpvs;
 
 static int VM_SV_newcheckclient(prvm_prog_t *prog, int check)
 {
@@ -816,9 +815,10 @@ static int VM_SV_newcheckclient(prvm_prog_t *prog, int check)
 
 // get the PVS for the entity
        VectorAdd(PRVM_serveredictvector(ent, origin), PRVM_serveredictvector(ent, view_ofs), org);
-       checkpvsbytes = 0;
        if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
-               checkpvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, org, 0, checkpvs, sizeof(checkpvs), false);
+               sv.worldmodel->brush.FatPVS(sv.worldmodel, org, 0, &checkpvs, sv_mempool, false);
+       else
+               checkpvs = NULL;
 
        return i;
 }
@@ -864,7 +864,7 @@ static void VM_SV_checkclient(prvm_prog_t *prog)
        // if current entity can't possibly see the check entity, return 0
        self = PRVM_PROG_TO_EDICT(PRVM_serverglobaledict(self));
        VectorAdd(PRVM_serveredictvector(self, origin), PRVM_serveredictvector(self, view_ofs), view);
-       if (sv.worldmodel && checkpvsbytes && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, checkpvs, view, view))
+       if (sv.worldmodel && checkpvs && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, checkpvs, view, view))
        {
                c_notvis++;
                VM_RETURN_EDICT(prog->edicts);
@@ -895,8 +895,7 @@ static void VM_SV_checkpvs(prvm_prog_t *prog)
 #if 1
        unsigned char *pvs;
 #else
-       int fatpvsbytes;
-       unsigned char fatpvs[MAX_MAP_LEAFS/8];
+       unsigned char *fatpvs = NULL;
 #endif
 
        VM_SAFEPARMCOUNT(2, VM_SV_checkpvs);
@@ -935,8 +934,8 @@ static void VM_SV_checkpvs(prvm_prog_t *prog)
                PRVM_G_FLOAT(OFS_RETURN) = 3;
                return;
        }
-       fatpvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, viewpos, 8, fatpvs, sizeof(fatpvs), false);
-       if(!fatpvsbytes)
+       sv.worldmodel->brush.FatPVS(sv.worldmodel, viewpos, 8, &fatpvs, sv_mempool, false);
+       if(!fatpvs)
        {
                // viewpos isn't in any PVS... darn
                PRVM_G_FLOAT(OFS_RETURN) = 2;