df::SceneGraph Class Reference

Public Member Functions
int	insertObject (Object *p_o)
int	removeObject (Object *p_o)
ObjectList	activeObjects () const
ObjectList	solidObjects () const
ObjectList	visibleObjects (int altitude) const
ObjectList	objectsOfType (std::string type)
ObjectList	inactiveObjects () const
int	updateAltitude (Object *p_o, int new_alt)
int	updateSolidness (Object *p_o, Solidness new_solidness)
int	updateVisible (Object *p_vo, bool new_visible)
int	updateActive (Object *p_o, bool new_active)
int	updatePosition (Object *p_o, Vector new_position)
int	updateType (Object *p_o, std::string new_type)
ObjectList	getCollisions (Object *p_o, Vector where) const
Grid *	getGrid ()
int	startUp ()
void	shutDown ()

Private Attributes
ObjectList	m_active_objects
ObjectList	m_solid_objects
ObjectList	m_visible_objects [MAX_ALTITUDE+1]
ObjectList	m_inactive_objects
std::map< std::string, ObjectList >	m_type
Grid	m_grid

Member Function Documentation

activeObjects()

ObjectList df::SceneGraph::activeObjects

(

)

const

Return all active Objects. Empty list if none.

getCollisions()

ObjectList df::SceneGraph::getCollisions	(	Object *	p_o,
		Vector	where
	)		const

Return list of solid Objects collided with at position 'where'.

Does not consider if p_o is solid or not.

getGrid()

Grid * df::SceneGraph::getGrid

(

)

Get Grid.

inactiveObjects()

ObjectList df::SceneGraph::inactiveObjects

(

)

const

Return all inactive Objects. Empty list if none.

insertObject()

int df::SceneGraph::insertObject

(

Object *

p_o

)

Insert Object into SceneGraph.

Return 0 if ok, else -1.

objectsOfType()

ObjectList df::SceneGraph::objectsOfType

(

std::string

type

)

Return list of Objects matching type.

List is empty if none found.

removeObject()

int df::SceneGraph::removeObject

(

Object *

p_o

)

Remove Object from SceneGraph.

Return 0 if ok, else -1.

shutDown()

void df::SceneGraph::shutDown

(

)

Shutdown Scenegraph (delete Quadtree, clear Grid).

solidObjects()

ObjectList df::SceneGraph::solidObjects

(

)

const

Return all active, solid Objects. Empty list if none.

startUp()

int df::SceneGraph::startUp

(

)

Startup Scenegraph (create Grid).

Return 0 if ok, else -1.

updateActive()

int df::SceneGraph::updateActive	(	Object *	p_o,
		bool	new_active
	)

Re-position Object in SceneGraph to new activeness.

Return 0 if ok, else -1.

updateAltitude()

int df::SceneGraph::updateAltitude	(	Object *	p_o,
		int	new_alt
	)

Re-position Object in SceneGraph to new altitude.

Return 0 if ok, else -1.

updatePosition()

int df::SceneGraph::updatePosition	(	Object *	p_o,
		Vector	new_position
	)

Set position of Object in SceneGraph.

Return 0 if ok, else -1.

updateSolidness()

int df::SceneGraph::updateSolidness	(	Object *	p_o,
		Solidness	new_solidness
	)

Re-position Object in SceneGraph to new solidness.

Return 0 if ok, else -1.

updateType()

int df::SceneGraph::updateType	(	Object *	p_o,
		std::string	new_type
	)

Re-position Object in SceneGraph to new type.

Return 0 if ok, else -1.

updateVisible()

int df::SceneGraph::updateVisible	(	Object *	p_vo,
		bool	new_visible
	)

Re-position Object in SceneGraph to new visibility.

Return 0 if ok, else -1.

visibleObjects()

ObjectList df::SceneGraph::visibleObjects

(

int

altitude

)

const

Return all active, visible Objects at altitude. Empty list if none.

Member Data Documentation

m_active_objects

ObjectList df::SceneGraph::m_active_objects

private

All active Objects.

m_grid

Grid df::SceneGraph::m_grid

private

Grid for collision detection.

m_inactive_objects

ObjectList df::SceneGraph::m_inactive_objects

private

All inactive Objects.

m_solid_objects

ObjectList df::SceneGraph::m_solid_objects

private

Solid Objects.

m_type

std::map<std::string, ObjectList> df::SceneGraph::m_type

private

Map of type:Object.

m_visible_objects

ObjectList df::SceneGraph::m_visible_objects[MAX_ALTITUDE+1]

private

Visible Objects.