Add explicit check for mapless events

3 files changed, 7 insertions, 4 deletions

diff --git a/src/map/map.hpp b/src/map/map.hpp
index 14ea6a7..fc48126 100644
--- a/src/map/map.hpp
+++ b/src/map/map.hpp
@@ -357,6 +357,7 @@ public:
         std::unique_ptr<const ScriptBuffer> script;
         // Diameter.
         short xs, ys;
+        bool event_needs_map;
 
         // Whether the timer advances if not beyond end.
         bool timer_active;
diff --git a/src/map/npc-parse.cpp b/src/map/npc-parse.cpp
index 2bd801d..8b47502 100644
--- a/src/map/npc-parse.cpp
+++ b/src/map/npc-parse.cpp
@@ -440,6 +440,7 @@ bool npc_load_script_none(ast::script::ScriptBody& body, ast::npc::ScriptNone& s
 
     dumb_ptr<npc_data_script> nd;
     nd.new_();
+    nd->scr.event_needs_map = false;
 
     nd->name = script_none.name.data;
 
@@ -535,6 +536,7 @@ bool npc_load_script_map_none(ast::script::ScriptBody& body, ast::npc::ScriptMap
 
     dumb_ptr<npc_data_script> nd;
     nd.new_();
+    nd->scr.event_needs_map = false;
 
     nd->name = script_map_none.name.data;
 
@@ -667,6 +669,7 @@ bool npc_load_script_map(ast::script::ScriptBody& body, ast::npc::ScriptMap& scr
 
         nd->scr.xs = xs;
         nd->scr.ys = ys;
+        nd->scr.event_needs_map = true;
     }
 
     nd->name = script_map.name.data;
diff --git a/src/map/npc.cpp b/src/map/npc.cpp
index 304224a..90ac917 100644
--- a/src/map/npc.cpp
+++ b/src/map/npc.cpp
@@ -465,7 +465,6 @@ int npc_event(dumb_ptr<map_session_data> sd, NpcEvent eventname,
 {
     Option<P<struct event_data>> ev_ = ev_db.search(eventname);
     dumb_ptr<npc_data_script> nd;
-    int xs, ys;
 
     if (sd == nullptr)
     {
@@ -490,10 +489,10 @@ int npc_event(dumb_ptr<map_session_data> sd, NpcEvent eventname,
         return 0;
     }
 
-    xs = nd->scr.xs;
-    ys = nd->scr.ys;
-    if (xs >= 0 && ys >= 0)
+    if (nd->scr.event_needs_map)
     {
+        int xs = nd->scr.xs;
+        int ys = nd->scr.ys;
         if (nd->bl_m != sd->bl_m)
             return 1;
         if (xs > 0