warpzones: fix an endless loop

diff --git a/qcsrc/warpzonelib/common.qc b/qcsrc/warpzonelib/common.qc
index 4aaef971db5b32ff4cde0a0931ba14ea54a9d4d4..3f6bb10a2ebe872b77bc88e45f44558beced4bb1 100644 (file)
--- a/qcsrc/warpzonelib/common.qc
+++ b/qcsrc/warpzonelib/common.qc
@@ -150,7 +150,7 @@ void WarpZone_Trace_AddTransform(entity wz)
 
 void WarpZone_TraceBox_ThroughZone(vector org, vector mi, vector ma, vector end, float nomonsters, entity forent, entity zone, WarpZone_trace_callback_t cb)
 {
-       float frac, sol;
+       float frac, sol, i;
        vector o0, e0;
        entity wz;
        vector vf, vr, vu;
@@ -179,8 +179,14 @@ void WarpZone_TraceBox_ThroughZone(vector org, vector mi, vector ma, vector end,
        WarpZone_MakeAllSolid();
        sol = -1;
        frac = 0;
+       i = 16;
        for(;;)
        {
+               if(--i < 1)
+               {
+                       dprint("Too many warpzones in sequence, aborting trace.\n");
+                       break;
+               }
                tracebox(org, mi, ma, end, nomonsters, forent);
                if(cb)
                        cb(org, trace_endpos, end);
@@ -225,7 +231,7 @@ void WarpZone_TraceLine(vector org, vector end, float nomonsters, entity forent)
 
 void WarpZone_TraceToss_ThroughZone(entity e, entity forent, entity zone, WarpZone_trace_callback_t cb)
 {
-       float g, dt;
+       float g, dt, i;
        vector vf, vr, vu, v0, o0;
        entity wz;
 
@@ -254,8 +260,14 @@ void WarpZone_TraceToss_ThroughZone(entity e, entity forent, entity zone, WarpZo
        WarpZone_MakeAllSolid();
        g = cvar("sv_gravity") * e.gravity;
        WarpZone_tracetoss_time = 0;
+       i = 16;
        for(;;)
        {
+               if(--i < 1)
+               {
+                       dprint("Too many warpzones in sequence, aborting trace.\n");
+                       break;
+               }
                tracetoss(e, forent);
                if(cb)
                        cb(e.origin, trace_endpos, trace_endpos);