#define FS_GUI_NONE				0
#define FS_GUI_RELOADING		1
#define FS_GUI_INVALID			2
#define FS_GUI_LOCKING			3
#define FS_GUI_LOCKED			4
#define FS_GUI_CHARGING			5
#define FS_GUI_ENROUTE			6
#define FS_GUI_OUT_OF_RANGE		7

object fireSupportStatus {
	void				Update( player myPlayer, object artyTrace, float lockStatus, float lockFraction );
	
	boolean				locationValid;
	
	float				status;
	float				timerStatus;
	float				lockState;
	float				keepLock;
	float				guiStatus;
	handle				statusString;
}

void fireSupportStatus::Update( player myPlayer, object artyTrace, float lockStatus, float lockFraction ) {
	deployable_base targetItem = myPlayer.targetingItem;
	
	status = -1;
	timerStatus = 0;

	vector end;
	
	lockState = TARGET_LOCK_NOT_LOCKED;
	locationValid = true;

	if ( targetItem != $null_entity ) {
		keepLock = ( targetItem.vGetFireSupportMode() == TARGET_ROCKETS ) && ( targetItem.vGetTimerState() > 0.75f );
		if ( keepLock && !myPlayer.getButton( PK_ATTACK ) ) {
			keepLock = 2;
		}
		
		if ( !targetItem.vIsDeployed() ) {
			status = MPS_NONE_ACTIVE;
		} else if ( !targetItem.vTargetPlayerEligible( myPlayer ) && artyTrace != $null ) {
			status = MPS_DISABLED;
		} else {
			status = targetItem.vGetFiringStatus( artyTrace );
			if ( status == MPS_READY && artyTrace != $null ) {
			 	end = artyTrace.getTraceEndPos();
				end_z = end_z + 65536.f;
				
				if ( artyTrace.getTraceFraction() == 1.f || artyTrace.getTraceSurfaceFlags() & SURF_NOIMPACT ) {
					status = MPS_OUT_OF_RANGE;
				}
			
				if ( status != MPS_INVALID ) {
					float targetWorldZone = sys.getWorldPlayZoneIndex( artyTrace.getTraceEndPos() );
					float itemWorldZone = sys.getWorldPlayZoneIndex( targetItem.getWorldOrigin() );
					if ( targetWorldZone != itemWorldZone ) {
						status = MPS_INVALID;
					}
				}
				
				if ( status != MPS_INVALID && status != MPS_OUT_OF_RANGE ) {
					sys.tracePoint( artyTrace.getTraceEndPos(), end, CONTENTS_SOLID, $null_entity );
					if ( sys.getTraceFraction() == 1.f ) {
						status = MPS_INVALID;
					} else if ( !( sys.getTraceSurfaceFlags() & SURF_NOIMPACT ) ) {
						status = MPS_INVALID;
					}
				}

				if ( !G_CheckFireSupportBlock( artyTrace.getTraceEndPos(), myPlayer ) ) {
					status = MPS_INVALID;
				}
				
				if ( status == MPS_READY ) {				
					lockState = lockStatus;
					timerStatus = lockFraction;
					
					if ( lockState == TARGET_LOCK_LOCKING ) {
						status = MPS_LOCKING;
					} else if ( lockState == TARGET_LOCK_LOCKED ) {
						status = MPS_LOCKED;
					}
				}
			} else if ( status == MPS_RELOADING || artyTrace == $null ) {
				timerStatus = targetItem.vGetTimerState();
			}
		}
	} else {
		status = MPS_DISABLED;
	}

	if ( status == MPS_INVALID || status == MPS_OUT_OF_RANGE ) {
		locationValid = false;
	}

	if ( lockStatus == TARGET_LOCK_LOCKED ) {
		if ( targetItem.vGetFireSupportMode() == TARGET_ROCKETS ) {
			guiStatus = MPS_LOCKED_ROCKETS;
		} else {
			guiStatus = MPS_LOCKED;
		}
	} else if ( targetItem != $null ) {
		guiStatus = status;
		if ( guiStatus == MPS_FIRING && targetItem.vGetFireSupportMode() == TARGET_ROCKETS ) {
			guiStatus = MPS_LOCKED_ROCKETS;
		} else if ( guiStatus == MPS_FIRING ) {
			guiStatus = MPS_LOCKED;
		}
	} else if ( status == MPS_DISABLED ) {
		guiStatus = MPS_INVALID;
	} else {
		guiStatus = status;
	}

	G_StringForFireSupportState( guiStatus );
	statusString = g_fireSupportStateStr;

	if ( guiStatus == MPS_LOCKING ) {				guiStatus = FS_GUI_LOCKING;
	} else if ( guiStatus == MPS_LOCKED ) {			guiStatus = FS_GUI_LOCKED;
	} else if ( guiStatus == MPS_INVALID ) {		guiStatus = FS_GUI_INVALID;
	} else if ( guiStatus == MPS_RELOADING ) {		guiStatus = FS_GUI_RELOADING;
	} else if ( guiStatus == MPS_WAITING ) {		guiStatus = FS_GUI_CHARGING;
	} else if ( guiStatus == MPS_DISABLED ) {		guiStatus = FS_GUI_INVALID;
	} else if ( guiStatus == MPS_OUT_OF_RANGE ) {	guiStatus = FS_GUI_OUT_OF_RANGE;
	} else if ( guiStatus == MPS_LOCKED_ROCKETS ) { guiStatus = FS_GUI_LOCKED;
	} else if ( guiStatus == MPS_NONE_ACTIVE ) {	guiStatus = FS_GUI_ENROUTE;
	} else {										guiStatus = FS_GUI_NONE;			
	}
}