Respawn map-spawned coop pickups

gamemode/weaponsystem.lua

@@ -94,6 +94,21 @@ local function IsRespawnable(ent)
     return string.StartWith(className, "item_") or string.StartWith(className, "weapon_")
 end
 
+local function IsMapWorldPickup(ent)
+    if not IsRespawnable(ent) then return false end
+    if ent:CreatedByMap() or ent.CustomCoopRespawnTemplate then return true end
+
+    -- point_template and other Hammer spawners create new entities at runtime,
+    -- so GMod reports CreatedByMap() as false for them. Their mapper-assigned
+    -- targetname survives, which lets us include them without also making
+    -- player-spawned or anonymous NPC-dropped weapons permanently respawn.
+    if IsValid(ent:GetOwner()) or IsValid(ent:GetParent()) or IsValid(ent:GetCreator()) then
+        return false
+    end
+
+    return ent:GetName() ~= ""
+end
+
 local function CaptureTemplate(ent)
     local bodygroups = {}
     for _, bodygroup in ipairs(ent:GetBodyGroups() or {}) do
@@ -200,7 +215,7 @@ end
 hook.Add("OnEntityCreated", "CustomCoopTrackMapItems", function(ent)
     -- OnEntityCreated fires before keyvalues and map-created state are ready.
     timer.Simple(0, function()
-        if IsRespawnable(ent) and ent:CreatedByMap() then
+        if IsMapWorldPickup(ent) then
             TrackItem(ent)
         end
     end)
@@ -208,7 +223,7 @@ end)
 
 local function TrackExistingItems()
     for _, ent in ipairs(ents.GetAll()) do
-        if IsRespawnable(ent) and (ent:CreatedByMap() or ent.CustomCoopRespawnTemplate) then
+        if IsMapWorldPickup(ent) then
             TrackItem(ent)
         end
     end