add on_player_set entity component event

src/logic/scripting/scripting_entities.cpp

@@ -71,6 +71,7 @@ static void init_component_events(
     funcsset.on_aim_off = lua::hasfield(L, "on_aim_off");
     funcsset.on_attacked = lua::hasfield(L, "on_attacked");
     funcsset.on_used = lua::hasfield(L, "on_used");
+    funcsset.on_player_set = lua::hasfield(L, "on_player_set");
     lua::pop(L);
 }
 
@@ -238,6 +239,15 @@ void scripting::on_entity_save(const Entity& entity) {
     );
 }
 
+void scripting::on_entity_player_set(const Entity& entity, int64_t pid) {
+    process_entity_callback(
+        entity,
+        "on_player_set",
+        &EntityFuncsSet::on_player_set,
+        [pid](auto L) { return lua::pushinteger(L, pid); }
+    );
+}
+
 void scripting::on_sensor_enter(
     const Entity& entity, size_t index, entityid_t oid
 ) {