AttachmentPoints

local marineModelName = "models/marine/male/male.model"
local marineSpecialModelName = "models/marine/male/male_special.model"
local skulkModelName = "models/alien/skulk/skulk.model"
local fadeModelName = "models/alien/fade/fade.model"
local lerkModelName = "models/alien/lerk/lerk.model"
local gorgeModelName = "models/alien/gorge/gorge.model"
local eggModelname = "models/alien/egg/egg.model"

local readyRoomPlayerClassName = "ReadyRoomPlayer"
local marineClassName = "Marine"
local skulkClassName = "Skulk"
local fadeClassName = "Fade"
local lerkClassName = "Lerk"
local gorgeClassName = "Gorge"
local eggClassName = "Embryo"

function PlayerHasMarineModel(playerEntity)
    if playerEntity:isa(marineClassName) then
        return true

//i think this is faster then going straight to the GetModelName() string compare.
    elseif playerEntity:isa(readyRoomPlayerClassName) then
        local modelName = playerEntity:GetModelName()
        return modelName == marineModelName or modelName == marineSpecialModelName
    end

    return false
end

function PlayerHasSkulkModel(playerEntity)
    if playerEntity:isa(skulkClassName) then
        return true

    elseif playerEntity:isa(readyRoomPlayerClassName) then
        return playerEntity:GetModelName() == skulkModelName
    end

    return false
end

function PlayerHasLerkModel(playerEntity)
    if playerEntity:isa(lerkClassName) then
        return true

    elseif playerEntity:isa(readyRoomPlayerClassName) then
        return playerEntity:GetModelName() == lerkModelName
    end

    return false
end

function PlayerHasFadeModel(playerEntity)
    if playerEntity:isa(fadeClassName) then
        return true

    elseif playerEntity:isa(readyRoomPlayerClassName) then
        return playerEntity:GetModelName() == fadeModelName
    end

    return false
end

function PlayerHasGorgeModel(playerEntity)
    if playerEntity:isa(gorgeClassName) then
        return true

    elseif playerEntity:isa(readyRoomPlayerClassName) then
        return playerEntity:GetModelName() == gorgeModelName
    end

    return false
end

function PlayerHasEggModel(playerEntity)
    if playerEntity:isa(eggClassName) then
        return true

    elseif playerEntity:isa(readyRoomPlayerClassName) then
        return playerEntity:GetModelName() == eggModelName
    end

    return false
end

//this (incomplete at the moment) function is specific to my application of figuring out where to put the name and icon for a player, but how it works could be useful for someone.
function GetPlayerNameAndImageAttachmentPoints(playerEntity)

//I'm gonna upload a more optimized version of all this code as soon as i can.
//For now note that calling playerEntity:GetAttachPointOrigin("JetPack") is unnecessary because attachPointCoords.origin is the same vector.

    local nameAttachmentPoint = nil
    local imageAttachmentPoint = nil

    if self:PlayerHasMarineModel(playerEntity) then
        local attachPointOrigin,success = playerEntity:GetAttachPointOrigin("JetPack")
        if success then

            local attachPointCoords = playerEntity:GetAttachPointCoords("JetPack")


            nameAttachmentPoint = attachPointOrigin + 0.00 * attachPointCoords.xAxis +
                                                     -0.35 * attachPointCoords.yAxis +
                                                     -0.37 * attachPointCoords.zAxis

            imageAttachmentPoint = attachPointOrigin + 0.00 * attachPointCoords.xAxis +
                                                       0.20 * attachPointCoords.yAxis +
                                                      -0.37 * attachPointCoords.zAxis
        end

    elseif self:PlayerHasSkulkModel(playerEntity) then
        local attachPointOrigin,success = playerEntity:GetAttachPointOrigin("Bone_Tongue")
        if success then

        end

    elseif self:PlayerHasLerkModel(playerEntity) then
        local attachPointOrigin,success = playerEntity:GetAttachPointOrigin("Head_Tongue_02")
        if success then

        end

    elseif self:PlayerHasFadeModel(playerEntity) then
        local attachPointOrigin,success = playerEntity:GetAttachPointOrigin("fade_tongue2")
        if success then

        end

    elseif self:PlayerHasGorgeModel(playerEntity) then
        local attachPointOrigin,success = playerEntity:GetAttachPointOrigin("Head")
        if success then

        end

    elseif self:PlayerHasEggModel(playerEntity) then
        local attachPointOrigin,success = playerEntity:GetAttachPointOrigin("target")
        if success then

        end
    end

    //anyone serious about messing with attachment points can maintain their sanity with this
    //vector debug stuff. The code for these is here: http://pastebin.com/8jjwcCeH
    DrawVectorPointBig(nameAttachmentPoint, white)
    DrawVectorPointOnGround(nameAttachmentPoint,playerEntity:GetOrigin().y, white)

    DrawVectorPointBig(imageAttachmentPoint, orange)
    DrawVectorPointOnGround(imageAttachmentPoint,playerEntity:GetOrigin().y, orange)

    //DrawVectorPointHuge(playerEntity:GetOrigin())
    //DrawVectorPointHuge(playerEntity:GetEyePos())

    return nameAttachmentPoint,imageAttachmentPoint
end