#define ALL ~0 //For convenience.
#define NONE 0

// for /datum/var/datum_flags
#define DF_USE_TAG		(1<<0)

//FLAGS BITMASK
#define STOPSPRESSUREDMAGE 		1		//This flag is used on the flags variable for SUIT and HEAD items which stop pressure damage. Note that the flag 1 was previous used as ONBACK, so it is possible for some code to use (flags & 1) when checking if something can be put on your back. Replace this code with (inv_flags & SLOT_BACK) if you see it anywhere To successfully stop you taking all pressure damage you must have both a suit and head item with this flag.
#define NODROP					2		// This flag makes it so that an item literally cannot be removed at all, or at least that's how it should be. Only deleted.
#define NOBLUDGEON  			4		// when an item has this it produces no "X has been hit by Y with Z" message with the default handler
#define AIRTIGHT				8		// mask allows internals
#define HANDSLOW        		16		// If an item has this flag, it will slow you to carry it
#define CONDUCT					32		// conducts electricity (metal etc.)
#define ABSTRACT				64		// for all things that are technically items but used for various different stuff, made it 128 because it could conflict with other flags other way
#define ON_BORDER				128		// item has priority to check when entering or leaving
#define PREVENT_CLICK_UNDER		256
#define NODECONSTRUCT			512

#define EARBANGPROTECT			1024

#define NOSLIP					1024 	//prevents from slipping on wet floors, in space etc

#define HEADBANGPROTECT			4096

#define BLOCK_GAS_SMOKE_EFFECT	8192	// blocks the effect that chemical clouds would have on a mob --glasses, mask and helmets ONLY!
#define THICKMATERIAL 			8192	//prevents syringes, parapens and hypos if the external suit or helmet (if targeting head) has this flag. Example: space suits, biosuit, bombsuits, thick suits that cover your body. (NOTE: flag shared with BLOCK_GAS_SMOKE_EFFECT)

#define DROPDEL					16384	// When dropped, it calls qdel on itself


/* Secondary atom flags, for the flags_2 var, denoted with a _2 */

#define SLOWS_WHILE_IN_HAND_2	1
#define NO_EMP_WIRES_2			2
#define HOLOGRAM_2				4
#define FROZEN_2				8
#define STATIONLOVING_2			16
#define INFORM_ADMINS_ON_RELOCATE_2	32
#define BANG_PROTECT_2			64

// An item worn in the ear slot with HEALS_EARS will heal your ears each
// Life() tick, even if normally your ears would be too damaged to heal.
#define HEALS_EARS_2			128

// A mob with OMNITONGUE has no restriction in the ability to speak
// languages that they know. So even if they wouldn't normally be able to
// through mob or tongue restrictions, this flag allows them to ignore
// those restrictions.
#define OMNITONGUE_2			256

// TESLA_IGNORE grants immunity from being targeted by tesla-style electricity
#define TESLA_IGNORE_2			512

// Stops you from putting things like an RCD or other items into an ORM or protolathe for materials.
#define NO_MAT_REDEMPTION_2		1024

// LAVA_PROTECT used on the flags_2 variable for both SUIT and HEAD items, and stops lava damage. Must be present in both to stop lava damage.
#define LAVA_PROTECT_2			2048

#define OVERLAY_QUEUED_2		4096

#define CHECK_RICOCHET_2		8192

//Reagent flags
#define REAGENT_NOREACT			1

//Species clothing flags
#define HAS_UNDERWEAR 	1
#define HAS_UNDERSHIRT 	2
#define HAS_SOCKS		4

//Species Body Flags
#define HAS_HEAD_ACCESSORY	1
#define HAS_TAIL 			2
#define TAIL_OVERLAPPED		4
#define HAS_SKIN_TONE 		8
#define HAS_ICON_SKIN_TONE	16
#define HAS_SKIN_COLOR		32
#define HAS_HEAD_MARKINGS	64
#define HAS_BODY_MARKINGS	128
#define HAS_TAIL_MARKINGS	256
#define HAS_MARKINGS		HAS_HEAD_MARKINGS|HAS_BODY_MARKINGS|HAS_TAIL_MARKINGS
#define TAIL_WAGGING    	512
#define NO_EYES				1024
#define HAS_ALT_HEADS		2048
#define ALL_RPARTS			4096

//Species Diet Flags
#define DIET_CARN		1
#define DIET_OMNI		2
#define DIET_HERB		4


//bitflags for door switches.
#define OPEN	1
#define IDSCAN	2
#define BOLTS	4
#define SHOCK	8
#define SAFE	16

//flags for pass_flags
#define PASSTABLE		1
#define PASSGLASS		2
#define PASSGRILLE		4
#define PASSBLOB		8
#define PASSMOB			16
#define LETPASSTHROW	32

//turf-only flags
#define NOJAUNT		1
#define NO_LAVA_GEN	2 //Blocks lava rivers being generated on the turf
#define NO_RUINS 	4

//ITEM INVENTORY SLOT BITMASKS
#define SLOT_OCLOTHING 1
#define SLOT_ICLOTHING 2
#define SLOT_GLOVES 4
#define SLOT_EYES 8
#define SLOT_EARS 16
#define SLOT_MASK 32
#define SLOT_HEAD 64
#define SLOT_FEET 128
#define SLOT_ID 256
#define SLOT_BELT 512
#define SLOT_BACK 1024
#define SLOT_POCKET 2048		//this is to allow items with a w_class of 3 or 4 to fit in pockets.
#define SLOT_DENYPOCKET 4096	//this is to deny items with a w_class of 2 or 1 to fit in pockets.
#define SLOT_TWOEARS 8192
#define SLOT_PDA 16384
#define SLOT_TIE 32768

//ORGAN TYPE FLAGS
#define AFFECT_ROBOTIC_ORGAN	1
#define AFFECT_ORGANIC_ORGAN	2
#define AFFECT_ALL_ORGANS		3

//Fire and Acid stuff, for resistance_flags
#define LAVA_PROOF		(1<<0)
#define FIRE_PROOF		(1<<1) //100% immune to fire damage (but not necessarily to lava or heat)
#define FLAMMABLE		(1<<2)
#define ON_FIRE			(1<<3)
#define UNACIDABLE		(1<<4) //acid can't even appear on it, let alone melt it.
#define ACID_PROOF		(1<<5) //acid stuck on it doesn't melt it.
#define INDESTRUCTIBLE	(1<<6) //doesn't take damage
#define FREEZE_PROOF	(1<<7) //can't be frozen

GLOBAL_LIST_INIT(bitflags, list(1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768))