--pavetr.top/ds
local crosshairType
local crosshairGap
local crosshairSize
local crosshairThickness
local crosshairDot
local crosshairOutline
local crosshairAlpha
local crosshairColourR
local crosshairColourG
local crosshairColourB

local playerFov

function SetupCvars()
    
    crosshairEnabled = CreateClientConVar("xhair_enable", "0", true, false, "Turns the crosshair on or of (0-1)")

    crosshairType = CreateClientConVar("xhair_type", "1", true, false, "Sets the crosshair type")
    crosshairGap = CreateClientConVar("xhair_gap", "0", true, false, "Sets the crosshair gap")
    crosshairSize = CreateClientConVar("xhair_size", "4", true, false, "Sets the crosshair size")
    crosshairThickness = CreateClientConVar("xhair_thickness", "2", true, false, "Sets the crosshair thickness")
    crosshairDot = CreateClientConVar("xhair_dot", "0", true, false, "Turns the crosshair dot on or off (0-1)")
    crosshairOutline = CreateClientConVar("xhair_outline", "1", true, false, "Turns the crosshair outline on or off (0-1)")
    crosshairRemoveInScope = CreateClientConVar("xhair_removeinscope", "0", true, false, "Turns the removal of the crosshair while scoped on or off (0-1)")

    crosshairAlpha = CreateClientConVar("xhair_a", "255", true, false, "Sets the crosshair alpha channel (0-255)")
    crosshairColourR = CreateClientConVar("xhair_r", "0", true, false, "Sets the crosshairs red channel (0-255)")
    crosshairColourG = CreateClientConVar("xhair_g", "255", true, false, "Sets the crosshairs green channel (0-255)")
    crosshairColourB = CreateClientConVar("xhair_b", "0", true, false, "Sets the crosshairs blue channel (0-255)")

    
    if (engine.ActiveGamemode() == "terrortown") then
        crosshairtttDisable = GetConVar("ttt_disable_crosshair")
    end

    concommand.Add("xhair_menu", CrosshairMenu)
end

function PaintCrosshair()

    if(crosshairEnabled:GetBool() == true) then

        if(playerFov == nil) then
            playerFov = LocalPlayer():GetFOV()
        end

        if (crosshairType:GetInt() == 1 && (playerFov == LocalPlayer():GetFOV() || crosshairRemoveInScope:GetBool())) then

            local middleX = ScrW() / 2
            local middleY = ScrH() / 2

            if (crosshairOutline:GetBool() == true) then
	            surface.SetDrawColor(Color(0, 0, 0, crosshairAlpha:GetInt()))

                //Right outline
	            surface.DrawRect(middleX + crosshairGap:GetInt() - 1, middleY - math.floor(crosshairThickness:GetInt() / 2) - 1, crosshairSize:GetInt() + 2,  crosshairThickness:GetInt() + 2)

                //Left outline
	            surface.DrawRect(middleX - crosshairGap:GetInt() - crosshairSize:GetInt() + crosshairThickness:GetInt() % 2 - 1, middleY - math.floor(crosshairThickness:GetInt() / 2) - 1, crosshairSize:GetInt() + 2,  crosshairThickness:GetInt() + 2)

                    //Bottom outline
	                surface.DrawRect(middleX - math.floor(crosshairThickness:GetInt() / 2) - 1, middleY + crosshairGap:GetInt() - 1, crosshairThickness:GetInt() + 2, crosshairSize:GetInt() + 2)

                //Top outline
                surface.DrawRect(middleX - math.floor(crosshairThickness:GetInt() / 2) - 1, middleY - crosshairSize:GetInt() - crosshairGap:GetInt() + crosshairThickness:GetInt() % 2 - 1, crosshairThickness:GetInt() + 2, crosshairSize:GetInt() + 2)

                if (crosshairDot:GetBool() == true) then
                    //Dot outline
            	    surface.DrawRect(middleX - math.floor(crosshairThickness:GetInt() / 2) - 1, middleY - math.floor(crosshairThickness:GetInt() / 2) - 1, crosshairThickness:GetInt() + 2, crosshairThickness:GetInt() + 2)
                end
            
            end

	        surface.SetDrawColor(Color(crosshairColourR:GetInt(), crosshairColourG:GetInt(), crosshairColourB:GetInt(), crosshairAlpha:GetInt()))
        
            //Right
	        surface.DrawRect(middleX + crosshairGap:GetInt(), middleY - math.floor(crosshairThickness:GetInt() / 2), crosshairSize:GetInt(),  crosshairThickness:GetInt())

            //Left
	        surface.DrawRect(middleX - crosshairGap:GetInt() - crosshairSize:GetInt() + crosshairThickness:GetInt() % 2, middleY - math.floor(crosshairThickness:GetInt() / 2), crosshairSize:GetInt(),  crosshairThickness:GetInt())

            //Bottom
	        surface.DrawRect(middleX - math.floor(crosshairThickness:GetInt() / 2), middleY + crosshairGap:GetInt(), crosshairThickness:GetInt(), crosshairSize:GetInt())

            //Top
            surface.DrawRect(middleX - math.floor(crosshairThickness:GetInt() / 2), middleY - crosshairSize:GetInt() - crosshairGap:GetInt() + crosshairThickness:GetInt() % 2, crosshairThickness:GetInt(), crosshairSize:GetInt())

            if (crosshairDot:GetBool() == true) then
                //Dot
            	surface.DrawRect(middleX - math.floor(crosshairThickness:GetInt() / 2), middleY - math.floor(crosshairThickness:GetInt() / 2), crosshairThickness:GetInt(), crosshairThickness:GetInt())
            end
        end
    end
end

local function HideHudCrosshair(name)
    if(name == "CHudCrosshair" && crosshairType:GetInt() > 0 && crosshairEnabled:GetBool() == true) then
        if (playerFov == LocalPlayer():GetFOV() || crosshairRemoveInScope:GetBool()) then
            return false
        else
            return true
        end
    end
end

function CrosshairMenu()
    local Frame = vgui.Create("DFrame")
    Frame:SetPos(ScrW() / 2 + 20, ScrH() / 2 + 5)
    
    if (engine.ActiveGamemode() == "terrortown") then
        Frame:SetSize(235, 330)
    else
        Frame:SetSize(235, 300)
    end

    Frame:SetTitle("Crosshair customization")
    Frame:SetVisible(true)
    Frame:SetDraggable(true)
    Frame:ShowCloseButton(true)
    Frame:MakePopup()

    local ColorPicker = vgui.Create("DColorMixer", Frame)
    ColorPicker:SetSize(200, 200)
    ColorPicker:SetPos(10, 30)
    ColorPicker:SetPalette(true)
    ColorPicker:SetAlphaBar(true)
    ColorPicker:SetWangs(true)
    ColorPicker:SetColor(Color( 255, 255, 255 ))
    ColorPicker:SetConVarA("xhair_a")
    ColorPicker:SetConVarR("xhair_r")
    ColorPicker:SetConVarG("xhair_g")
    ColorPicker:SetConVarB("xhair_b")

    local EnabledCheckBox = vgui.Create("DCheckBoxLabel", Frame)
    EnabledCheckBox:SetPos(160, 125)
    EnabledCheckBox:SetText("Enabled")
    EnabledCheckBox:SetConVar("xhair_enable")
    EnabledCheckBox:SetValue(crosshairType:GetBool())

    local SizeLabel = vgui.Create("DLabel", Frame)
    SizeLabel:SetPos(55, 240)
    SizeLabel:SetBright(true)
    SizeLabel:SetText("Size")

    local SizeNumberWang = vgui.Create("DNumberWang",  Frame)
    SizeNumberWang:SetSize(40, 20)
    SizeNumberWang:SetPos(10, 240)
    SizeNumberWang:SetValue(crosshairSize:GetInt())
    SizeNumberWang:SetConVar("xhair_size")

    local GapLabel = vgui.Create("DLabel", Frame)
    GapLabel:SetPos(55, 270)
    GapLabel:SetBright(true)
    GapLabel:SetText("Gap")

    local GapNumberWang = vgui.Create("DNumberWang",  Frame)
    GapNumberWang:SetSize(40, 20)
    GapNumberWang:SetPos(10, 270)
    GapNumberWang:SetValue(crosshairGap:GetInt())
    GapNumberWang:SetConVar("xhair_gap")
    
    local ThicknessLabel = vgui.Create("DLabel", Frame)
    ThicknessLabel:SetPos(130, 240)
    ThicknessLabel:SetBright(true)
    ThicknessLabel:SetText("Thickness")

    local ThicknessNumberWang = vgui.Create("DNumberWang",  Frame)
    ThicknessNumberWang:SetSize(40, 20)
    ThicknessNumberWang:SetPos(85, 240)
    ThicknessNumberWang:SetValue(crosshairThickness:GetInt())
    ThicknessNumberWang:SetConVar("xhair_thickness")

    local DotCheckBox = vgui.Create("DCheckBoxLabel", Frame)
    DotCheckBox:SetPos(85, 270)
    DotCheckBox:SetText("Dot")
    DotCheckBox:SetConVar("xhair_dot")
    DotCheckBox:SetValue(crosshairDot:GetBool())

    local OutlineCheckBox = vgui.Create("DCheckBoxLabel", Frame)
    OutlineCheckBox:SetPos(130, 270)
    OutlineCheckBox:SetText("Outline")
    OutlineCheckBox:SetConVar("xhair_outline")
    OutlineCheckBox:SetValue(crosshairOutline:GetBool())

    if (engine.ActiveGamemode() == "terrortown") then
        local OutlineCheckBox = vgui.Create("DCheckBoxLabel", Frame)
        OutlineCheckBox:SetPos(10, 300)
        OutlineCheckBox:SetText("Disable TTT xhair")
        OutlineCheckBox:SetConVar("ttt_disable_crosshair")
        OutlineCheckBox:SetValue(crosshairtttDisable:GetBool())
    end
end

hook.Add("Initialize", "crosshairSetup", function() 
    SetupCvars()
    hook.Add("HUDPaint","DrawCrosshair",PaintCrosshair)
    hook.Add("HUDShouldDraw", "HideHudCrosshair", HideHudCrosshair)
end)