hook.Add( "Think", "NPCAutoSeekPlayer", function() local npcs = ents.GetAll() local plys = player.GetAll() local plyCount = #plys -- No point trying to give NPCs a player when there are none if ( plyCount == 0 ) then return end -- Loop over all entities and check for NPCs for i = 1, #npcs do local npc = npcs[ i ] -- If this entity is an NPC without an enemy, give them one if ( npc:IsNPC() && !IsValid( npc:GetEnemy() ) ) then local curPly = nil -- Closest player local curPlyPos = nil -- Position of closest player local curDist = math.huge -- Lowest distance between npc and player local npcPos = npc:GetPos() -- Position of the NPC -- Loop over all players to check their distance from the NPC for i = 1, plyCount do local ply = plys[ i ] -- Only consider players that this NPC hates if ( npc:Disposition( ply ) == D_HT ) then -- TODO: You can optimise looking up each player's position (constant) -- for every NPC by generating a table of: --- key = player identifier (entity object, UserID, EntIndex, etc.) --- value = player's position vector -- for the first NPC that passes to this part of the code, -- then reuse it for other NPCs local plyPos = ply:GetPos() -- Use DistToSqr for distance comparisons since -- it's more efficient than Distance, and the -- non-squared distance isn't needed for anything local dist = npcPos:DistToSqr( plyPos ) -- If the new distance is lower, update the player information if ( dist < curDist ) then curPly = ply curPlyPos = plyPos curDist = dist end end end -- curPly is guarenteed to be valid since this code -- will only run if there is at least one player npc:SetEnemy( curPly ) npc:UpdateEnemyMemory( curPly, curPlyPos ) end end end )