// Deep Impact projectiles and effects

Class AirBullet : FastProjectile
{
	int tcnt;
	Actor lasthit;

	Default
	{
		Obituary "$O_DEEPIMPACT";
		Radius 2;
		Height 4;
		DamageFunction 50;
		DamageType 'AirRip';
		Speed 400;
		PROJECTILE;
		+FORCERADIUSDMG;
		+NODAMAGETHRUST;
		+RIPPER;
		+NOFRICTION;
	}
	override void PostBeginPlay()
	{
		A_StartSound("deepimpact/bullet",CHAN_BODY,CHANF_LOOP,1.,1.5);
	}
	override int DoSpecialDamage( Actor target, int damage, Name damagetype )
	{
		if ( target.bBOSS || target.FindInventory("BossMarker") ) damage = int(damage*.4);
		if ( !bAMBUSH )
		{
			if ( target == lasthit ) return 0;
			lasthit = target;
		}
		Vector3 dirto = level.Vec3Offset(pos,target.Vec3Offset(0,0,target.Height/2.));
		if ( vel.length() <= double.epsilon ) return damage;
		if ( dirto.length() <= double.epsilon ) dirto = vel;
		dirto /= dirto.length();
		SWWMUtility.DoKnockback(target,vel.unit()*.6+dirto*.4,80000);
		if ( !target.player ) target.bBLASTED = true;
		return damage;
	}
	override void Effect()
	{
		let r = Spawn("AirBulletRing",pos);
		r.angle = angle;
		r.pitch = pitch;
		r.roll = FRandom[Impact](0,360);
		r.scale *= .3;
		r.alpha *= .6;
		int numpt = Random[ExploS](2,4);
		for ( int i=0; i<numpt; i++ )
		{
			Vector3 pvel = SWWMUtility.Vec3FromAngles(FRandom[ExploS](0,360),FRandom[ExploS](-90,90))*FRandom[ExploS](.1,.8);
			let s = Spawn("SWWMSmoke",pos);
			s.vel = pvel+vel.unit()*3.;
			s.SetShade(Color(1,1,1)*Random[ExploS](240,255));
			s.special1 = Random[ExploS](1,2);
			s.scale *= 1.8;
			s.alpha *= .2;
		}
		bAMBUSH = true;
		SWWMUtility.DoExplosion(self,10,0,100,25,DE_NONEXPLOSIVE,ignoreme:target);
		bAMBUSH = false;
		tcnt++;
		if ( tcnt < 2 ) return;
		tcnt = 0;
		Spawn("AirRingLight",pos);
	}
	void A_Splode()
	{
		A_AlertMonsters(swwm_uncapalert?0:8000,AMF_EMITFROMTARGET);
		if ( target && SWWMUtility.SphereIntersect(target,pos,120) )
		{
			// push away
			Vector3 dir = level.Vec3Diff(pos,target.Vec3Offset(0,0,target.height/2));
			double dist = dir.length();
			dir /= dist;
			double mm = 8000000./max(20.,dist);
			if ( (target.pos.z > target.floorz) && target.TestMobjZ() ) mm *= 1.6;
			SWWMUtility.DoKnockback(target,dir,mm);
		}
		SWWMUtility.DoExplosion(self,20,80000,200,80,DE_NONEXPLOSIVE,ignoreme:target);
		A_QuakeEx(6,6,6,20,0,250,"",QF_RELATIVE|QF_SCALEDOWN|QF_3D,rollIntensity:1.);
		A_StartSound("deepimpact/bullethit",CHAN_VOICE,CHANF_DEFAULT,1.,.3);
		A_SprayDecal("ImpactMark");
		Spawn("AirBulletLight",pos);
		int numpt = Random[ExploS](10,20);
		for ( int i=0; i<numpt; i++ )
		{
			Vector3 pvel = SWWMUtility.Vec3FromAngles(FRandom[ExploS](0,360),FRandom[ExploS](-90,90))*FRandom[ExploS](2,6);
			let s = Spawn("SWWMSmoke",pos);
			s.vel = pvel;
			s.SetShade(Color(1,1,1)*Random[ExploS](240,255));
			s.special1 = Random[ExploS](1,2);
			s.scale *= 2.4;
			s.alpha *= .4;
		}
		numpt = Random[ExploS](8,12);
		for ( int i=0; i<numpt; i++ )
		{
			Vector3 pvel = SWWMUtility.Vec3FromAngles(FRandom[ExploS](0,360),FRandom[ExploS](-90,90))*FRandom[ExploS](2,6);
			let s = Spawn("SWWMSpark",pos);
			s.vel = pvel;
		}
		numpt = Random[ExploS](6,16);
		for ( int i=0; i<numpt; i++ )
		{
			Vector3 pvel = SWWMUtility.Vec3FromAngles(FRandom[ExploS](0,360),FRandom[ExploS](-90,90))*FRandom[ExploS](2,12);
			let s = Spawn("SWWMChip",pos);
			s.vel = pvel;
		}
		if ( swwm_omnibust ) BusterWall.ProjectileBust(self,100,SWWMUtility.Vec3FromAngles(angle,pitch));
	}
	States
	{
	Spawn:
		TNT1 A -1;
		Stop;
	Death:
		TNT1 A 1 A_Splode();
		Stop;
	}
}

Class AirBulletLight : PaletteLight
{
	Default
	{
		Tag "ImpactWav";
		ReactionTime 5;
		Args 0,0,0,150;
	}
}

Class AirRingLight : PaletteLight
{
	Default
	{
		Tag "ImpactWav,1";
		ReactionTime 30;
		Args 0,0,0,120;
	}
}

Class AirBulletRing : SWWMNonInteractiveActor
{
	Default
	{
		RenderStyle "Add";
		+ROLLSPRITE;
		+ROLLCENTER;
		+FORCEXYBILLBOARD;
	}
	States
	{
	Spawn:
		XRG1 ABCDEFGHIJKLMNOPQRSTUVWX 2;
		Stop;
	}
}