Orders::FaceTargetITTS Class Reference

#include <navigation.h>

Inheritance diagram for Orders::FaceTargetITTS:

Public Member Functions
	FaceTargetITTS (bool fini=false, int accuracy=3)
virtual void	Execute ()
	The function that gets called and executes all queued suborders. More...
virtual string	getOrderDescription ()
virtual	~FaceTargetITTS ()
Public Member Functions inherited from Orders::ChangeHeading
	ChangeHeading (const QVector &final_heading, int switchback, float turning_speed=1, bool term=false)
	takes in the destination target, and the ammount of accuracy (how many times it should miss destination and come back) should be used More...
void	SetDest (const QVector &)
virtual	~ChangeHeading ()
Public Member Functions inherited from Order
virtual void	ChooseTarget ()
	this function calls the destructor (needs to be overridden for python; More...
virtual bool	PursueTarget (Unit *, bool isleader)
void	ClearMessages ()
	clears the messasges of this order More...
	Order ()
	The default constructor setting everything to NULL and no dependency on order. More...
	Order (int type, int subtype)
	The constructor that specifies what order dependencies this order has. More...
virtual void	Destroy ()
	The virutal function that unrefs all memory then calls Destruct () which takes care of unreffing this or calling delete on this. More...
Order *	queryType (unsigned int type)
	returns a pointer to the first order that may be bitwised ored with that type More...
Order *	queryAny (unsigned int type)
	returns a pointer to the first order that may be bitwise ored with any type More...
void	eraseType (unsigned int type)
	Erases all orders that bitwise OR with that type. More...
bool	AttachOrder (Unit *targets)
	Attaches a group of targets to this order (used for strategery-type games) More...
bool	AttachOrder (QVector target)
	Attaches a navigation point to this order. More...
bool	AttachSelfOrder (Unit *targets)
	Attaches a group (form up) to this order. More...
Order *	EnqueueOrder (Order *ord)
	Enqueues another order that will be executed (in parallel perhaps) when next void Execute() is called. More...
Order *	ReplaceOrder (Order *ord)
	Replaces the first order of that type in the order queue. More...
bool	Done ()
int	getType ()
int	getSubType ()
virtual void	SetParent (Unit *parent1)
	Sets the parent of this Unit. Any virtual functions must call this one. More...
Unit *	GetParent () const
virtual void	Communicate (const class CommunicationMessage &c)
	Sends a communication message from the Unit (encapulated in c) to this unit. More...
virtual void	ProcessCommMessage (class CommunicationMessage &c)
	processes a single message...generally called by the Messages() func More...
virtual void	ProcessCommunicationMessages (float CommRepsonseTime, bool RemoveMessageProcessed)
	responds (or does not) to certain messages in the message queue More...
Order *	findOrder (Order *ord)
	return pointer to order or NULL if not found More...
void	eraseOrder (Order *ord)
	erase that order from the list More...
Order *	EnqueueOrderFirst (Order *ord)
	enqueue order as first order More...
virtual olist_t *	getOrderList ()
	returns the orderlist (NULL for orders that haven't got any) More...
virtual void	AdjustRelationTo (Unit *un, float factor)
Order *	findOrderList ()
	searches the suborders recursively for the first order that has an orderlist More...
std::string	createFullOrderDescription (int level=0)
void	setActionString (std::string astring)
std::string	getActionString ()
virtual float	getMood ()

Additional Inherited Members
Public Types inherited from Order
enum	ORDERTYPES {   MOVEMENT =1, FACING =2, WEAPON =4, CLOAKING =8,   ALLTYPES =(1|2|4|8) }
	The varieties of order types MOVEMENT,FACING, and WEAPON orders may not be mutually executed (lest one engine goes left, the other right) More...
enum	SUBORDERTYPES { SLOCATION =1, STARGET =2, SSELF =4 }
Protected Member Functions inherited from Orders::ChangeHeading
void	ResetDone ()
Protected Attributes inherited from Order
Unit *	parent
	The unit this order is attached to. More...
unsigned int	type
	The bit code (from ORDERTYPES) that this order is (for parallel execution) More...
unsigned int	subtype
bool	done
	Whether or not this order is done. More...
UnitContainer	group
	If this order applies to a group of units (as in form up with this group) More...
QVector	targetlocation
	If this order applies to a physical location in world space. More...
std::vector< Order * >	suborders
	The queue of suborders that will be executed in parallel according to bit code. More...
std::list< class CommunicationMessage * >	messagequeue
	a bunch of communications that have not been answered CommunicationMessages are actually containing reference to a nice Finite State Machine that can allow a player to have a reasonable conversation with an AI More...
std::string	actionstring

Detailed Description

This class analyzes a Unit's position and adjusts ChangeHeading to face that target's ITTS indicator for best firing solution

Definition at line 160 of file navigation.h.

Constructor & Destructor Documentation

FaceTargetITTS::FaceTargetITTS	(	bool	fini = false,
		int	accuracy = 3
	)

Definition at line 370 of file navigation.cpp.

References game_data_t::difficulty, Order::FACING, float, g_game, VegaConfig::getVariable(), XMLSupport::parse_bool(), Order::STARGET, Order::subtype, Order::type, and vs_config.

                                                        : ChangeHeading( QVector( 0, 0, 1 ), accuracy )
    , finish( fini )
{
    type    = FACING;
    subtype = STARGET;
    speed   = float(.00001);
    useitts = true;
    static bool alwaysuseitts = XMLSupport::parse_bool( vs_config->getVariable( "AI", "always_use_itts", "false" ) );
    if (!alwaysuseitts)
        if (rand() >= g_game.difficulty*RAND_MAX)
            useitts = false;
}

FaceTargetITTS::~FaceTargetITTS ( )

virtual

Definition at line 382 of file navigation.cpp.

References VSFileSystem::vs_fprintf().

{
#ifdef ORDERDEBUG
    VSFileSystem::vs_fprintf( stderr, "fti%x", this );
    fflush( stderr );
#endif
}

Member Function Documentation

void FaceTargetITTS::Execute ( )

virtual

The function that gets called and executes all queued suborders.

Reimplemented from Orders::ChangeHeading.

Reimplemented in Orders::FacePerpendicular, Orders::LoopAroundAgro, Orders::LoopAround, and Orders::TurretAI.

Definition at line 390 of file navigation.cpp.

References Unit::cumulative_velocity, Order::done, Orders::ChangeHeading::Execute(), Unit::getAverageGunSpeed(), Unit::Position(), Unit::PositionITTS(), Orders::ChangeHeading::ResetDone(), Orders::ChangeHeading::SetDest(), and Unit::Target().

Referenced by Orders::TurretAI::Execute(), Orders::LoopAround::Execute(), Orders::LoopAroundAgro::Execute(), and Orders::FacePerpendicular::Execute().

{
    Unit *target = parent->Target();
    if (target == NULL) {
        done = finish;
        return;
    }
    if ( speed == float(.00001) ) {
        float mrange;
        float range;
        parent->getAverageGunSpeed( speed, range, mrange );
        if ( speed == float(.00001) )
            speed = FLT_MAX;
    }
    SetDest( useitts ? target->PositionITTS( parent->Position(), parent->cumulative_velocity, speed, false ) : target->Position() );
    ChangeHeading::Execute();
    if (!finish)
        ResetDone();
}

virtual string Orders::FaceTargetITTS::getOrderDescription ( )

inlinevirtual

Reimplemented from Orders::ChangeHeading.

Definition at line 168 of file navigation.h.

    {
        return "faceitts";
    }

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The documentation for this class was generated from the following files:

• src/cmd/ai/navigation.h
• src/cmd/ai/navigation.cpp