Initial commit

lua/includes/extensions/entity_iter.lua

@@ -0,0 +1,39 @@
+
+local inext = ipairs( {} )
+
+local EntityCache = nil
+function ents.Iterator()
+
+	if ( EntityCache == nil ) then EntityCache = ents.GetAll() end
+
+	return inext, EntityCache, 0
+
+end
+
+local PlayerCache = nil
+function player.Iterator()
+
+	if ( PlayerCache == nil ) then PlayerCache = player.GetAll() end
+
+	return inext, PlayerCache, 0
+
+end
+
+-- Called by the engine just before OnEntityCreated & just after EntityRemoved hooks
+function InvalidateInternalEntityCache( isPly )
+
+	EntityCache = nil
+	if ( isPly ) then PlayerCache = nil end
+
+end
+
+local function InvalidateInternalEntityCacheOld( ent )
+
+	InvalidateInternalEntityCache( ent:IsPlayer() )
+
+end
+
+-- These are for non-updated servers
+-- TODO: Remove me after update is released (past June 2025)
+hook.Add( "OnEntityCreated", "ents.Iterator", InvalidateInternalEntityCacheOld )
+hook.Add( "EntityRemoved", "ents.Iterator", InvalidateInternalEntityCacheOld )