local ENT = {}
ENT.Type        = "anim"
ENT.Base        = "base_anim"
ENT.ClassName   = "hayashigs_christmas_tree"
ENT.RenderGroup = RENDERGROUP_TRANSLUCENT

local Maps = {

    aramaki_4d = Vector(-5833.9223632813, 6027.15625, -10238.447265625),
    freespace_revolution = Vector(-10491.779296875, -10135.422851563, -6190.0556640625),
    gm_construct_flatgrass_v6 = Vector(-12550.212890625, -12532.907226563, 0.19838905334473)

}

if SERVER then

    local Decoration = {

        Present_1 = {
            Model = "models/effects/bday_gib01.mdl",
            Pos = Vector( 30, -30, 20 ),
            Ang = Angle( 25, -35, 0 )
        },

        Present_2 = {
            Model = "models/effects/bday_gib04.mdl",
            Pos = Vector( 60, -47, 2 ),
            Ang = Angle( 0, 0, 0 )
        },

        Present_3 = {
            Model = "models/props_lab/citizenradio.mdl",
            Pos = Vector( 20, -70, -1 ),
            Ang = Angle( 0, -66, 0 )
        }
    }

    function ENT:Initialize()

        self:SetModel( "models/props_foliage/tree_pine_large.mdl" )
        self:PhysicsInit( SOLID_VPHYSICS )
        self:SetSolid( SOLID_VPHYSICS )
        --self:DrawShadow( true )
        --self:SetCollisionGroup( COLLISION_GROUP_DEBRIS )
        self:PhysWake()
        self:GetPhysicsObject():EnableMotion( false )

        for _, v in pairs( Decoration ) do
            local Dec = ents.Create( "prop_physics" )
            Dec:SetModel( v.Model )
            local WPos = LocalToWorld( v.Pos, v.Ang, self:GetPos(), self:GetAngles() )
            Dec:SetPos( WPos )
            Dec:SetAngles( v.Ang )
            Dec:Spawn()
            Dec:GetPhysicsObject():EnableMotion( false )
            Dec:SetParent( self )
            Dec:SetSolid( SOLID_VPHYSICS )
        end

        self:EmitSound( "hayashigs/christmas/01.mp3", 80, 100 )

    end

    local function Spawn()

        for _, v in pairs( ents.FindByClass( ENT.ClassName ) ) do
            v:Remove()
        end

        if Maps[game.GetMap()] then
            local ENT = ents.Create( ENT.ClassName )
                ENT:SetPos( Maps[game.GetMap()] )
                ENT:SetAngles( Angle( 0, 0, 0 ) )
                ENT:Spawn()
        end

    end

    timer.Create( "hihihi", 3, 1, Spawn )

end

if CLIENT then

    local mat = Material( "particle/fire" )
    local pos = Vector(180,25,115)

    local wpos, t -- anti gc?
    local render = render

    function ENT:Initialize()

        util.PrecacheSound( "hayashigs/christmas/01.mp3" )

    end

    local ang_origin = Angle(0,0,0)

    function ENT:Draw()
        self:DrawModel()
        render.SetMaterial( mat )

        if not self.data then

            self.data = {}

            for i = 1, 100 do
                local pi = (i/100)*math.pi
                local revi = (-i + 100) * 1.5
                local offset = Vector(0,0,100)

                offset = offset + self:GetRight() * math.sin(pi*9) * revi
                offset = offset + self:GetForward() * math.cos(pi*9) * revi
                offset = offset + self:GetUp() * i * 6.5

                local randsize = math.random() * 50
                local randpos = VectorRand() * 15

                table.insert(self.data,
                    {
                        lpos = offset + randpos,
                        sizex = revi/2 + randsize,
                        sizey = revi/2 + randsize,
                        color1 = HSVToColor((i/25)*300, 1, 1),
                        color2 = HSVToColor((i/100)*100+130, 1, 1),
                    }
                )
            end

        else
            t = RealTime()
            for _, params in pairs(self.data) do
                wpos = LocalToWorld(params.lpos, ang_origin, self:GetPos(), self:GetAngles())

                render.DrawSprite(wpos, params.sizex, params.sizey, t%2 > 1 and params.color1 or params.color2)
            end
        end
    end
end

scripted_ents.Register( ENT, ENT.ClassName, true )