local util = include "util"

local state = lib "stager"

local global = state:new("Global")

--[[ LOCALS ]]--
local lerpedHeadsetVelocity = { vx = 0, vy = 0, vz = 0 }

function global:load()

    -- global.useHeadset = true
    global.camera = (class "Camera"):new({
        x = 0, y = 0, z = 0,
        angle = 0, ax = 0, ay = 1, az = 0
    })
    global.cameraMode = "first"

    global.toastManager = (class "ToastManager"):new({
        x = 0, y = 0, z = 0,
        angle = 0, ax = 0, ay = 0, az = 0
    })

    -- global.ambience = lovr.audio.newSource("sounds/ambience.ogg", "stream")
    -- global.ambience:setLooping(true)
    -- global.ambience:play()

end

function global:update(dt)

    local vx, vy, vz = lovr.headset.getVelocity("head")
    lerpedHeadsetVelocity.vx = util.lerp(lerpedHeadsetVelocity.vx, vx, 5 * dt)
    lerpedHeadsetVelocity.vy = util.lerp(lerpedHeadsetVelocity.vy, vy, 5 * dt)
    lerpedHeadsetVelocity.vz = util.lerp(lerpedHeadsetVelocity.vz, vz, 5 * dt)
    global.toastManager:update(dt)
    if global.robot then global.robot:update(dt) end

end

function global:draw()

    lovr.graphics.push()
        local x, y, z, angle, ax, ay, az = lovr.headset.getPose("head")
        lovr.graphics.transform(x, y, z, 1, 1, 1, angle, ax, ay, az)
        lovr.graphics.transform(0.12, 0.12, -0.5, 1, 1, 1, -0.15, 0, 1, 0)
        lovr.graphics.translate(-lerpedHeadsetVelocity.vx, -lerpedHeadsetVelocity.vy, -lerpedHeadsetVelocity.vz)
        global.toastManager:draw()
    lovr.graphics.pop()

end

function global:drawHud(f)
    lovr.graphics.push()
        local x, y, z, angle, ax, ay, az = lovr.headset.getPose("head")
        lovr.graphics.transform(x, y, z, 1, 1, 1, angle, ax, ay, az)
        lovr.graphics.transform(0, 0, -0.5, 1, 1, 1, 0, 0, 1, 0)
        lovr.graphics.translate(-lerpedHeadsetVelocity.vx, -lerpedHeadsetVelocity.vy, -lerpedHeadsetVelocity.vz)
        f()
    lovr.graphics.pop()
end

return global