monsters: ensure they can't be stuck when spawned

If too stuck to fix the spawn fails.

Closes #1657
Closes #2645

diff --git a/qcsrc/common/monsters/sv_monsters.qc b/qcsrc/common/monsters/sv_monsters.qc
index 628db8f7e852bd0df1f3cff0aaf579172a0cfe31..e5ff5127d8092579132dfda3dc6fdf035dae5276 100644 (file)
--- a/qcsrc/common/monsters/sv_monsters.qc
+++ b/qcsrc/common/monsters/sv_monsters.qc
@@ -1548,6 +1548,13 @@ bool Monster_Spawn(entity this, bool check_appear, Monster mon)
                setorigin(this, trace_endpos);
        }
 
+       if (!nudgeoutofsolid(this))
+       {
+               // Stuck and not fixable
+               Monster_Remove(this);
+               return false;
+       }
+
        if(!(this.spawnflags & MONSTERFLAG_RESPAWNED))
                monster_setupcolors(this);