--Lol i dunno, spawn some npc's or something

concommand.Add("ws_spawnzomb",function(ply, cmd, args)
    SpawnNpcByName("Zombie",ply:GetPos())
end)

concommand.Add("ws_spawnbird",function(ply,cmd,args)
    SpawnNpcByName("Bird",ply:GetPos())
end)

local function spawnnpcfunc(ply,cmd,args)
    if(!args[1]) then print("You must enter the name of an npc")
    return end

    local npc = GetNpcByName(args[1])
    if(npc == nil) then print("Not a valid name!")
    return end
    print("attempting to spawn npc...")
    SpawnNpcByName(args[1],ply:GetPos())
    print("NPC spawned!")
end

local function spawnnpccomplete(cmd,stringargs)
    print(cmd, stringargs)
    local tbl = {}
    stringargs = string.sub(stringargs,2)
    if(stringargs == " ") then
        for k,v in pairs(GAMEMODE.Npcs) do
            table.insert(tbl,cmd .. " \"" .. v.Name .. "\"")
        end
        return tbl
    end
    for k,v in pairs(GAMEMODE.Npcs) do
        if(string.find(string.lower(v.Name),stringargs)) then
            table.insert(tbl,cmd .. " \"" .. v.Name .. "\"")
        else
            print("Could not find " .. stringargs .. " in " .. string.lower(v.Name))
        end
    end
    return tbl
end

if(SERVER) then
    concommand.Add("ws_spawnnpc",spawnnpcfunc, spawnnpccomplete, "Spawns an NPC from winter survival, useage: ws_spawnnpc <name>")
else
    concommand.Add("ws_spawnnpc",spawnnpcfunc, spawnnpccomplete, "Spawns an NPC from winter survival, useage: ws_spawnnpc <name>")
end

function SpawnNpcByName(name, position)
    if(CLIENT) then return end
    entdata = GetNpcByName(name)
    if not entdata then
        print("Could not find npc data for name " .. name)
        return
    end
    if not position then
        print("Invalid position:")
        print(position)
        return
    end
    ent = ents.Create("ws_npc_ambient")
    if(not ent) then
        print("Could not spawn npc ws_npc_ambient")
        return
    end
    ent:SetPos(position)
    print("From server!")
    if(entdata.Name) then
        ent.Name = entdata.Name
    end
    if(entdata.Model) then
        ent.Model = entdata.Model
    end
    if(entdata.Drops) then
        ent.Drops = entdata.Drops
    end
    if(entdata.OnDammage) then
        ent.OnDammage = entdata.OnDammage
    end
    if(entdata.Behave) then
        ent.Behave = entdata.Behave
    end
    if(entdata.Act) then
        ent.Act = entdata.Act
    end
    if(entdata.Stats) then
        ent.Stats = entdata.Stats
    end
    if(entdata.IdleSequences) then
        ent.IdleSequences = entdata.IdleSequences
    end
    if(entdata.Attacks) then
        ent.Attacks = entdata.Attacks
    end
    if(entdata.AttackPriority) then
        ent.AttackPriority = entdata.AttackPriority
    end
    if(entdata.AwareEnemies) then
        ent.AwareEnemies = entdata.AwareEnemies
    end
    if(entdata.OnSpawn) then
        ent.OnSpawn = entdata.OnSpawn
    end
    --[[
    if(entdata.BehaveCycle) then
        ent.BehaveCycle = entdata.BehaveCycle
    end
    ]]--
    print("NPC created")
    ent:Spawn()
    print("NPC spawned")
end

local random = math.random
local traceline = util.TraceLine
local contents  = util.PointContents
local Up 		= Vector(0,0,1)

--Randomly spawn npc's around?
local ambientnpcs = {
    [0] = "Bird",
    [1] = "Zombie",
    [2] = "Antlion Scout",
    [3] = "Antlion Pouncer"
}
local Tick = CurTime()
hook.Add("Tick","SpawnAmbient",function()
    if(CLIENT) then return end
    if (Tick < CurTime()) then
        --Assume most players are about ground level
        --Spawn 1 bird for each player on the server
        local areas = {}
        for k,v in pairs(player.GetAllHumans()) do

            for i,area in pairs(ents.FindByClass("info_target")) do
                if (area:GetName() == "survival_spawn") then
                    local parent = area:GetParent()
                    if (IsValid(parent)) then
                        areas[area] = parent
                    end
                end
            end
            --SpawnNpcByName("Bird",v:GetPos() + (v:GetUp()*500))
        end

        for pAe,pBe in pairs(areas) do
            local pA,pB = pAe:GetPos(),pBe:GetPos()
            local Dis = pA:Distance(pB)

            local V = Vector(random(pB.x,pA.x),random(pB.y,pA.y),random(pB.z,pA.z))
            local Tr = traceline({start=V,endpos=V-Up*40000})
            local Pos = Tr.HitPos+Up*20
            local C  = contents(Pos)

            if (C != CONTENTS_WATER and C != CONTENTS_WATER+CONTENTS_TRANSLUCENT) then
                --print("Appropriate place found, spawning bird)")
                local randnpcnum = math.Round(math.Rand(0, #ambientnpcs))
                local npc = GetNpcByName(ambientnpcs[randnpcnum])
                if(npc == nil) then
                  print("Found npc that getnpcbyname returned nil for")
                  print(ambientnpcs[randnpcnum])
                  continue
                end
                if(npc:SpawnLocations(Pos)) then
                    SpawnNpcByName(ambientnpcs[randnpcnum],Pos)
                end
                break
            end
        end

        Tick = CurTime()+30
    end
end)