const KIRI_SPRAYDISTANCE = 96;

class Sprayer : HDWeapon
{
    default
    {
		radius 2;
        height 4;
        +SpriteAngle;
        Scale 0.4;

        +hdweapon.fitsinbackpack;
        +weapon.wimpy_weapon;

        +INVENTORY.PERSISTENTPOWER;
        +INVENTORY.INVBAR;
    }

    states
    {
    spawn:
        KSPR B -1;
        stop;

    ready:
        KSPR A 1 { A_WeaponReady(WRF_ALL); A_WeaponBusy(false); }
        goto readyend;

    fire:
        KSPR A 2 {

            Actor spawnedThing;
            bool success;
            float zOffset = GunHeight() * 0.8;
            FLineTraceData lineTraceData;

            bool traceHit = LineTrace(
                angle,
                KIRI_SPRAYDISTANCE,
                pitch,
                flags : TRF_THRUACTORS,
                offsetz : zOffset,
                data : lineTraceData);

            if(traceHit) {

                if(lineTraceData.HitLine) {

                    console.printf("spray spray spray");
                    [success, spawnedThing] = A_SpawnItemEx(
                        "SprayerDecalSpawner",
                        xofs : 0, yofs : 0, zofs : zOffset);

                    if(success) {
                        spawnedThing.A_SetPitch(pitch);
                        spawnedThing.A_SetAngle(angle);
                        spawnedThing.master = invoker.owner;
                    }
                }
            }
        }
        goto waiting;

    waiting:
        KSPR A 5;
        KSPR A  0 A_Refire("waiting");
        goto ready;

    }
}

class SprayerDecalSpawner : Actor
{
    default
    {
        +nogravity;
    }

    states
    {
    spawn:
        TNT1 A 0;
        stop;
    }

    int timeSinceLastSpray;
    int thisSprayerId;

    override void PostBeginPlay()
    {
        Super.PostBeginPlay();
        console.printf("SPRAY");
        A_SprayDecal("KiriTestDecal", KIRI_SPRAYDISTANCE);

        // Figure out a new ID number.
        ThinkerIterator iter = ThinkerIterator.Create("SprayerDecalSpawner");
        SprayerDecalSpawner otherSpawner;
        int maxId = 0;
        while(otherSpawner = SprayerDecalSpawner(iter.Next())) {

            if(otherSpawner == self) {
                continue;
            }

            // Keep track of the highest ID.
            if(otherSpawner.thisSprayerId > maxId) {
                if(otherSpawner.master == master) {
                    maxId = otherSpawner.thisSprayerId;
                }
            }
        }
        thisSprayerId = maxId + 1;

        // Clear old sprayers.
        iter = ThinkerIterator.Create("SprayerDecalSpawner");
        while(otherSpawner = SprayerDecalSpawner(iter.Next())) {

            if(otherSpawner == self) {
                continue;
            }

            if(otherSpawner.thisSprayerId < (thisSprayerId - 5)) {
                if(otherSpawner.master == master) {
                    otherSpawner.Destroy();
                }
            }
        }

    }

    override void Tick()
    {
        timeSinceLastSpray++;

        if(timeSinceLastSpray >= 35 * 60) {
            A_SprayDecal("KiriTestDecal", KIRI_SPRAYDISTANCE);
            timeSinceLastSpray = 0;
        }
    }
}