Mission script example

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-- Mission script for checkpoints
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-- By Shurumov Ilya
-- 11 Mar 2015
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world:SetLevelName("default")
world:SetEnvironmentName("dusk_clear")

SetGameState( GAMESTATE_LOADING )   -- load level

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Checkpoint = class()
    function Checkpoint:__init( pos )
        self.pos = pos
        self.obj = nil
    end

    function Checkpoint:Enable()
        self.obj = world:CreateObject("dummy")
        self.obj:SetModel("models/misc/arrow.egf")
        self.obj:SetOrigin( self.pos )
        self.obj:Spawn()
        self.obj:Activate()
    end

    function Checkpoint:CheckAndComplete()

        self.obj:SetOrigin( self.pos + Vector3D.new(0,0.8 + math.abs(math.sin(missionmanager.m_timeoutTime*4.0)), 0) )
        self.obj:SetAngles( Vector3D.new(0,camera:GetAngles():get_y(), 0) )

        if length(playerCar:GetOrigin() - self.pos) < 4 then

            self.obj:Remove()
            self.obj = nil

            return true
        end

        return false
    end

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-- Mission initialization
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function Mission_Init()

    camera = world:GetCameraParams()

    -- put globals here
    missionData = {
        nextConeSpawnTime = 2.0,
        lastConePos = nil,

        startpos = Vector3D.new(54,0.46,-191),

        checkidx = 1,

        checkpoints = {
            Checkpoint( Vector3D.new(102,0.46,-49) ),
            Checkpoint( Vector3D.new(-65,0.46,78) ),
            Checkpoint( Vector3D.new(16,0.46,218) ),
            Checkpoint( Vector3D.new(18,0.46,69) ),
            Checkpoint( Vector3D.new(89,-0.44,-191) ),
        }
    }

    -- car name     maxdamage   pos ang
    playerCar = gameses:CreateCar("rollo")
    playerCar:SetMaxDamage(2)

    playerCar:SetOrigin( missionData.startpos )
    playerCar:SetAngles( Vector3D.new(0.26, -2.2, 0) )

    playerCar:Spawn()
    playerCar:Activate()

    gameses:SetPlayerCar( playerCar )

    ScreenMessage("Go throuh checkpoints fast as you can!", 3.5)

    missionmanager:EnableTimeout( true, 15 ) -- enable, time

    missionData.checkpoints[1]:Enable()

    -- here we start
    missionmanager:SetRefreshFunc( Mission_Update )
end

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-- main mission update
function Mission_Update()

    if missionData.checkpoints[ missionData.checkidx ]:CheckAndComplete() then

        missionData.checkidx = missionData.checkidx + 1;

        if missionData.checkpoints[ missionData.checkidx ] then
            ScreenMessage("Checkpoint!\n  +8 secs", 3.5)

            missionmanager:AddSeconds(8)
            missionData.checkpoints[ missionData.checkidx ]:Enable()
        else
            playerCar:Lock(true)
            ScreenMessage("Well done!", 3.5)

            missionmanager:SetRefreshFunc( function()
                return false
            end )

            --WaitForExit( MIS_SUCCESS, 5.0 )
        end
    end

    if missionmanager:IsTimedOut() then
        playerCar:Lock(true)

        ScreenMessage("Time's up!", 3.5)

        missionmanager:SetRefreshFunc( function()
            return false
        end )

        --WaitForExit( MIS_FAILED, 5.0 )
        return false
    end

    -- check player vehicle is wrecked
    if playerCar:GetDamage() == playerCar:GetMaxDamage() then
        playerCar:Lock(true)
        ScreenMessage("You wrecked your vehicle", 3.5)

        missionmanager:SetRefreshFunc( function()
            return false
        end )

        --WaitForExit( MIS_FAILED, 5.0 )
        return false
    end

    return true
end

-- put mission initializer
missionmanager:Init( Mission_Init )