//! Defines for subsystems and overlays
//!
//! Lots of important stuff in here, make sure you have your brain switched on
//! when editing this file

//! ## DB defines
/**
 * DB major schema version
 *
 * Update this whenever the db schema changes
 *
 * make sure you add an update to the schema_version stable in the db changelog
 */
//#define DB_MAJOR_VERSION 5

/**
 * DB minor schema version
 *
 * Update this whenever the db schema changes
 *
 * make sure you add an update to the schema_version stable in the db changelog
 */
//#define DB_MINOR_VERSION 0

//! ## Timing subsystem
/**
 * Don't run if there is an identical unique timer active
 *
 * if the arguments to addtimer are the same as an existing timer, it doesn't create a new timer,
 * and returns the id of the existing timer
 */
#define TIMER_UNIQUE			(1<<0)

///For unique timers: Replace the old timer rather then not start this one
#define TIMER_OVERRIDE			(1<<1)

/**
 * Timing should be based on how timing progresses on clients, not the server.
 *
 * Tracking this is more expensive,
 * should only be used in conjuction with things that have to progress client side, such as
 * animate() or sound()
 */
#define TIMER_CLIENT_TIME		(1<<2)

///Timer can be stopped using deltimer()
#define TIMER_STOPPABLE			(1<<3)

///prevents distinguishing identical timers with the wait variable
///
///To be used with TIMER_UNIQUE
#define TIMER_NO_HASH_WAIT		(1<<4)

///Loops the timer repeatedly until qdeleted
///
///In most cases you want a subsystem instead, so don't use this unless you have a good reason
#define TIMER_LOOP				(1<<5)

///Delete the timer on parent datum Destroy() and when deltimer'd
#define TIMER_DELETE_ME			(1<<6)

///Empty ID define
#define TIMER_ID_NULL -1

//! ## Initialization subsystem

///New should not call Initialize
#define INITIALIZATION_INSSATOMS 0
///New should call Initialize(TRUE)
#define INITIALIZATION_INNEW_MAPLOAD 2
///New should call Initialize(FALSE)
#define INITIALIZATION_INNEW_REGULAR 1

//! ### Initialization hints

///Nothing happens
#define INITIALIZE_HINT_NORMAL 0
/**
 * call LateInitialize at the end of all atom Initalization
 *
 * The item will be added to the late_loaders list, this is iterated over after
 * initalization of subsystems is complete and calls LateInitalize on the atom
 * see [this file for the LateIntialize proc](atom.html#proc/LateInitialize)
 */
#define INITIALIZE_HINT_LATELOAD 1

///Call qdel on the atom after intialization
#define INITIALIZE_HINT_QDEL 2

///type and all subtypes should always immediately call Initialize in New()
#define INITIALIZE_IMMEDIATE(X) ##X/New(loc, ...){\
	..();\
	if(!(flags & INITIALIZED)) {\
		args[1] = TRUE;\
		SSatoms.InitAtom(src, args);\
	}\
}

// SS runlevels

/// "Initialize Only" - Used for subsystems that should never be fired (Should also have SS_NO_FIRE set)
#define RUNLEVEL_INIT 0
/// Initial runlevel before setup.  Returns to here if setup fails.
#define RUNLEVEL_LOBBY 1
/// While the gamemode setup is running.  I.E gameticker.setup()
#define RUNLEVEL_SETUP 2
/// After successful game ticker setup, while the round is running.
#define RUNLEVEL_GAME 4
/// When round completes but before reboot
#define RUNLEVEL_POSTGAME 8

#define RUNLEVELS_DEFAULT (RUNLEVEL_SETUP | RUNLEVEL_GAME | RUNLEVEL_POSTGAME)

var/global/list/runlevel_flags = list(RUNLEVEL_LOBBY, RUNLEVEL_SETUP, RUNLEVEL_GAME, RUNLEVEL_POSTGAME)
#define RUNLEVEL_FLAG_TO_INDEX(flag) (log(2, flag) + 1)	// Convert from the runlevel bitfield constants to index in runlevel_flags list

// Subsystem init_order, from highest priority to lowest priority
// Subsystems shutdown in the reverse of the order they initialize in
// The numbers just define the ordering, they are meaningless otherwise.

#define INIT_ORDER_FAIL2TOPIC		101
#define INIT_ORDER_INPUT			100
#define INIT_ORDER_SOUNDS			95
#define INIT_ORDER_JOBS				85
#define INIT_ORDER_VIS				80
#define INIT_ORDER_GARBAGE			70
#define INIT_ORDER_SERVER_MAINT		65
#define INIT_ORDER_TIMER			60
#define INIT_ORDER_INSTRUMENTS		50
#define INIT_ORDER_SQLITE			40
#define INIT_ORDER_CHEMISTRY		35
#define INIT_ORDER_SKYBOX			30
#define INIT_ORDER_MAPPING			25
#define INIT_ORDER_DECALS			20
#define INIT_ORDER_PLANTS			19
#define INIT_ORDER_ALARMS			18
#define INIT_ORDER_ATOMS			15
#define INIT_ORDER_MACHINES			10
#define INIT_ORDER_SHUTTLES			3
#define INIT_ORDER_DEFAULT			0
#define INIT_ORDER_LIGHTING			0
#define INIT_ORDER_AIR				-1
#define INIT_ORDER_PLANETS			-2
#define INIT_ORDER_ASSETS			-4
#define INIT_ORDER_HOLOMAPS			-5
#define INIT_ORDER_NIGHTSHIFT		-6
#define INIT_ORDER_OVERLAY			-7
#define INIT_ORDER_EVENTS			-8
#define INIT_ORDER_OVERMAPS			-9
#define INIT_ORDER_TICKER			-10
#define INIT_ORDER_XENOARCH			-20
#define INIT_ORDER_CIRCUIT			-21
#define INIT_ORDER_AI				-22
#define INIT_ORDER_OPENSPACE		-50
#define INIT_ORDER_PERSISTENCE		-95
#define INIT_ORDER_ICON_SMOOTHING	-99
#define INIT_ORDER_CHAT				-100 //Should be last to ensure chat remains smooth during init.

// Subsystem fire priority, from lowest to highest priority
// If the subsystem isn't listed here it's either DEFAULT or PROCESS (if it's a processing subsystem child)

#define FIRE_PRIORITY_PING			5
#define FIRE_PRIORITY_SHUTTLES		5
#define FIRE_PRIORITY_NIGHTSHIFT	6
#define FIRE_PRIORITY_PLANTS		5
#define FIRE_PRIORITY_ORBIT			8
#define FIRE_PRIORITY_VOTE			9
#define FIRE_PRIORITY_AI			10
#define FIRE_PRIORITY_VIS			10
#define FIRE_PRIORITY_SERVER_MAINT	10
#define FIRE_PRIORITY_GARBAGE		15
#define FIRE_PRIORITY_ALARMS		20
#define FIRE_PRIORITY_CHARSETUP		25
#define FIRE_PRIORITY_SPACEDRIFT	25
#define FIRE_PRIORITY_AIRFLOW		30
#define FIRE_PRIORITY_PARALLAX		30
#define FIRE_PRIORITY_AIR			35
#define FIRE_PRIORITY_OBJ			40
#define FIRE_PRIORITY_PROCESS		45
#define FIRE_PRIORITY_DEFAULT		50
#define FIRE_PRIORITY_PLANETS		75
#define FIRE_PRIORITY_INSTRUMENTS	90
#define FIRE_PRIORITY_MACHINES		100
#define FIRE_PRIORITY_TGUI			110
#define FIRE_PRIORITY_PROJECTILES	150
#define FIRE_PRIORITY_CHAT			400
#define FIRE_PRIORITY_OVERLAYS		500
#define FIRE_PRIORITY_SMOOTHING		500
#define FIRE_PRIORITY_TIMER			700
#define FIRE_PRIORITY_INPUT			1000		//never drop input

///Compile all the overlays for an atom from the cache lists
// |= on overlays is not actually guaranteed to not add same appearances but we're optimistically using it anyway.
#define COMPILE_OVERLAYS(A)\
	do {\
		var/list/oo = A.our_overlays;\
		var/list/po = A.priority_overlays;\
		if(LAZYLEN(po)){\
			if(LAZYLEN(oo)){\
				A.overlays = oo + po;\
			}\
			else{\
				A.overlays = po;\
			}\
		}\
		else if(LAZYLEN(oo)){\
			A.overlays = oo;\
		}\
		else{\
			A.overlays.Cut();\
		}\
		A.flags &= ~OVERLAY_QUEUED;\
	} while(FALSE)

/**
	Create a new timer and add it to the queue.
	* Arguments:
	* * callback the callback to call on timer finish
	* * wait deciseconds to run the timer for
	* * flags flags for this timer, see: code\__DEFINES\subsystems.dm
*/
#define addtimer(args...) _addtimer(args, file = __FILE__, line = __LINE__)