1 files changed, 25 insertions, 2 deletions
diff --git a/src/sv_world.c b/src/sv_world.c
index 47aed67..d03bcf3 100644
--- a/src/sv_world.c
+++ b/src/sv_world.c
@@ -121,6 +121,31 @@ void SV_ClearWorld(void)
     }
 }
 
+/*
+===============
+SV_EdictIsVisible
+
+Checks if edict is potentially visible from the given PVS row.
+===============
+*/
+qboolean SV_EdictIsVisible(cm_t *cm, edict_t *ent, byte *mask)
+{
+    int i;
+
+    if (ent->num_clusters == -1) {
+        // too many leafs for individual check, go by headnode
+        return CM_HeadnodeVisible(CM_NodeNum(cm, ent->headnode), mask);
+    }
+
+    // check individual leafs
+    for (i = 0; i < ent->num_clusters; i++) {
+        if (Q_IsBitSet(mask, ent->clusternums[i])) {
+            return qtrue;
+        }
+    }
+
+    return qfalse;  // not visible
+}
 
 /*
 ===============
@@ -465,8 +490,6 @@ int SV_PointContents(vec3_t p)
     return contents;
 }
 
-
-
 typedef struct {
     vec3_t      boxmins, boxmaxs;// enclose the test object along entire move
     vec_t       *mins, *maxs;    // size of the moving object