gzdoom/wadsrc/static/zscript/inventory/weapons.txt

class Weapon : StateProvider native
{
	enum EFireMode
	{
		PrimaryFire,
		AltFire,
		EitherFire
	};

	native uint WeaponFlags;
	native class<Ammo> AmmoType1, AmmoType2;		// Types of ammo used by this weapon
	native int AmmoGive1, AmmoGive2;				// Amount of each ammo to get when picking up weapon
	native int MinAmmo1, MinAmmo2;					// Minimum ammo needed to switch to this weapon
	native int AmmoUse1, AmmoUse2;					// How much ammo to use with each shot
	native int Kickback;
	native float YAdjust;							// For viewing the weapon fullscreen (visual only so no need to be a double)
	native sound UpSound, ReadySound;				// Sounds when coming up and idle
	native class<Weapon> SisterWeaponType;			// Another weapon to pick up with this one
	native class<Actor> ProjectileType;				// Projectile used by primary attack
	native class<Actor> AltProjectileType;			// Projectile used by alternate attack
	native int SelectionOrder;						// Lower-numbered weapons get picked first
	native int MinSelAmmo1, MinSelAmmo2;			// Ignore in BestWeapon() if inadequate ammo
	native double MoveCombatDist;					// Used by bots, but do they *really* need it?
	native int ReloadCounter;						// For A_CheckForReload
	native int BobStyle;							// [XA] Bobbing style. Defines type of bobbing (e.g. Normal, Alpha)  (visual only so no need to be a double)
	native float BobSpeed;							// [XA] Bobbing speed. Defines how quickly a weapon bobs.
	native float BobRangeX, BobRangeY;				// [XA] Bobbing range. Defines how far a weapon bobs in either direction.
	native Ammo Ammo1, Ammo2;						// In-inventory instance variables
	native Weapon SisterWeapon;
	native float FOVScale;
	native int Crosshair;							// 0 to use player's crosshair
	native bool GivenAsMorphWeapon;
	native bool bAltFire;							// Set when this weapon's alternate fire is used.
	native readonly bool bDehAmmo;

	Default
	{
		Inventory.PickupSound "misc/w_pkup";
		Weapon.DefaultKickback;
		Weapon.BobSpeed 1.0;
		Weapon.BobRangeX 1.0;
		Weapon.BobRangeY 1.0;
		+WEAPONSPAWN
		DefaultStateUsage SUF_ACTOR|SUF_OVERLAY|SUF_WEAPON;
	}
	States
	{
	LightDone:
		SHTG E 0 A_Light0;
		Stop;
	}
	
	native bool CheckAmmo(int fireMode, bool autoSwitch, bool requireAmmo = false, int ammocount = -1);
	native bool DepleteAmmo(bool altFire, bool checkEnough = true, int ammouse = -1);
	native virtual void EndPowerup();
	
	virtual State GetReadyState ()
	{
		return FindState('Ready');
	}
	
	virtual State GetUpState ()
	{
		return FindState('Select');
	}

	virtual State GetDownState ()
	{
		return FindState('Deselect');
	}

	virtual State GetAtkState (bool hold)
	{
		State s = null;
		if (hold) s = FindState('Hold');
		if (s == null) s = FindState('Fire');
		return s;
	}
	
	virtual State GetAltAtkState (bool hold)
	{
		State s = null;
		if (hold) s = FindState('AltHold');
		if (s == null) s = FindState('AltFire');
		return s;
	}
	
	native action void A_ZoomFactor(double scale = 1, int flags = 0);
	native action void A_SetCrosshair(int xhair);
	const ZOOM_INSTANT = 1;
	const ZOOM_NOSCALETURNING = 2;
	
}

class WeaponGiver : Weapon native
{
	
	native double DropAmmoFactor;
	
	Default
	{
		Weapon.AmmoGive1 -1;
		Weapon.AmmoGive2 -1;
	}
}

class WeaponHolder : Inventory native
{
	native int PieceMask;
	native Class<Actor> PieceWeapon;
	
	Default
	{
		+NOBLOCKMAP
		+NOSECTOR
		+INVENTORY.UNDROPPABLE
	}
}

class WeaponPiece : Inventory native 
{
	Default
	{
		+WEAPONSPAWN;
	}
}