df::WorldManager Class Reference

Inheritance diagram for df::WorldManager:

Public Member Functions
int	startUp () override
void	shutDown () override
bool	isValid (std::string event_type) const override
int	insertObject (Object *p_o)
int	removeObject (Object *p_o)
ObjectList	getAllObjects (bool inactive=false) const
int	markForDelete (Object *p_o)
int	markForDelete (ObjectList obj_list)
void	update ()
void	draw ()
int	moveObject (Object *p_o, Vector where)
ObjectList	getCollisions (Object *p_o, Vector where) const
Object *	objectWithId (int id) const
ObjectList	objectsOfType (std::string type)
ObjectList	objectsAtPosition (Vector where) const
ObjectList	objectsInBox (Box box) const
ObjectList	objectsOnLine (Line line) const
ObjectList	objectsInCircle (Circle circle) const
Box	getBoundary () const
void	setBoundary (Box new_boundary)
Box	getView () const
void	setView (Box new_view)
Vector	getViewSlack () const
void	setViewSlack (Vector new_slack)
int	setViewFollowing (Object *p_new_view_following)
Object *	getViewFollowing () const
void	setViewPosition (Vector view_pos)
SceneGraph &	getSceneGraph () const
Public Member Functions inherited from df::Manager
std::string	getType () const
virtual int	startUp ()
virtual void	shutDown ()
bool	isStarted () const
int	onEvent (const Event *p_event) const
int	registerInterest (Object *p_o, std::string event_type)
int	unregisterInterest (Object *p_o, std::string event_type)

Static Public Member Functions
static WorldManager &	getInstance ()

Private Member Functions
	WorldManager ()
	WorldManager (WorldManager const &)
void	operator= (WorldManager const &)

Private Attributes
SceneGraph	m_scene_graph
ObjectList	m_deletions
Object *	m_p_view_following
Box	m_boundary
Box	m_view
Vector	m_view_slack

Additional Inherited Members
Protected Member Functions inherited from df::Manager
void	setType (std::string new_type)

Constructor & Destructor Documentation

WorldManager() [1/2]

df::WorldManager::WorldManager ( )

private

Private since a singleton.

WorldManager() [2/2]

df::WorldManager::WorldManager ( WorldManager const &  )

private

Don't allow copy.

Member Function Documentation

draw()

void df::WorldManager::draw

(

)

Draw all Objects in view.

Draw bottom up, from 0 to MAX_ALTITUDE.

getAllObjects()

ObjectList df::WorldManager::getAllObjects

(

bool

inactive = false

)

const

Return list of all Objects in world.

If inactive is true, include inactive Objects.

getBoundary()

Box df::WorldManager::getBoundary

(

)

const

Get game world boundary.

getCollisions()

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

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

Collisions only with solid Objects. Does not consider if p_o is solid or not.

getInstance()

static WorldManager & df::WorldManager::getInstance ( )

static

Get the one and only instance of the WorldManager.

getSceneGraph()

SceneGraph & df::WorldManager::getSceneGraph

(

)

const

Return reference to SceneGraph.

getView()

Box df::WorldManager::getView

(

)

const

Get player view of game world.

getViewFollowing()

Object * df::WorldManager::getViewFollowing

(

)

const

Get Object view is following (NULL if none).

getViewSlack()

Vector df::WorldManager::getViewSlack

(

)

const

Get player "slack" for view following.

Units are in fraction of view (0-1).

insertObject()

int df::WorldManager::insertObject

(

Object *

p_o

)

Add Object to world.

Return 0 if ok, else -1.

isValid()

bool df::WorldManager::isValid ( std::string  event_type ) const

overridevirtual

Accept all user-defined events (returns true).

Return false for other engine events.

Reimplemented from df::Manager.

markForDelete() [1/2]

int df::WorldManager::markForDelete

(

Object *

p_o

)

Indicate Object is to be deleted at end of current game loop.

Return 0 if ok, else -1.

markForDelete() [2/2]

int df::WorldManager::markForDelete

(

ObjectList

obj_list

)

Indicate Objects in list are to be deleted at end of current game loop.

Return 0 if ok, else -1.

moveObject()

int df::WorldManager::moveObject	(	Object *	p_o,
		Vector	where
	)

Move Object.

If collision with solid, send collision events. If no collision with solid, move ok. If all collided objects soft, move ok. If Object is spectral, move ok. If move ok, move. If moved, adjust view if following this Object. If moved from inside world boundary to outside, generate EventOut. Return 0 if moved, else -1 if collision with solid.

objectsAtPosition()

ObjectList df::WorldManager::objectsAtPosition

(

Vector

where

)

const

Return list of all Objects at position 'where'.

Does include bounding boxes. Return empty list if none found.

objectsInBox()

ObjectList df::WorldManager::objectsInBox

(

Box

box

)

const

Return list of all Objects in Box.

Does include bounding boxes. Return empty list if none found.

objectsInCircle()

ObjectList df::WorldManager::objectsInCircle

(

Circle

circle

)

const

Return a list of all Objects in circle.

Does include bounding boxes. Return empty list if none found.

objectsOfType()

ObjectList df::WorldManager::objectsOfType

(

std::string

type

)

Return list of Objects matching type.

List is empty if none found.

objectsOnLine()

ObjectList df::WorldManager::objectsOnLine

(

Line

line

)

const

Return a list of all Objects on line from point1 to point2.

Does include bounding boxes. Return empty list if none found.

objectWithId()

Object * df::WorldManager::objectWithId

(

int

id

)

const

Return Object with indicated id.

NULL if Object is not found.

operator=()

void df::WorldManager::operator= ( WorldManager const &  )

private

Don't allow assignment.

removeObject()

int df::WorldManager::removeObject

(

Object *

p_o

)

Remove Object from world.

Return 0 if ok, else -1.

setBoundary()

void df::WorldManager::setBoundary

(

Box

new_boundary

)

Set game world boundary.

setView()

void df::WorldManager::setView

(

Box

new_view

)

Set player view of game world.

setViewFollowing()

int df::WorldManager::setViewFollowing

(

Object *

p_new_view_following

)

Set view to center screen on Object.

Set to NULL to stop following. If Object not legit, return -1 else return 0.

setViewPosition()

void df::WorldManager::setViewPosition

(

Vector

view_pos

)

Set view to center screen on position view_pos.

View edge will not go beyond world boundary.

setViewSlack()

void df::WorldManager::setViewSlack

(

Vector

new_slack

)

Set player "slack" for view following.

Units are in fraction of view (0-1).

shutDown()

void df::WorldManager::shutDown ( )

overridevirtual

Shutdown game world (delete all game world Objects).

Reimplemented from df::Manager.

startUp()

int df::WorldManager::startUp ( )

overridevirtual

Startup game world (initialize everything to empty).

Return 0.

Reimplemented from df::Manager.

update()

void df::WorldManager::update

(

)

Update world.

Update positions of Objects based on their velocities. Lastly, delete Objects marked for deletion.

Member Data Documentation

m_boundary

Box df::WorldManager::m_boundary

private

World boundary.

m_deletions

ObjectList df::WorldManager::m_deletions

private

List of all Objects to delete.

m_p_view_following

Object* df::WorldManager::m_p_view_following

private

Object view is following.

m_scene_graph

SceneGraph df::WorldManager::m_scene_graph

private

Storage for all Objects, game and view.

m_view

Box df::WorldManager::m_view

private

Player view of game world.

m_view_slack

Vector df::WorldManager::m_view_slack

private

"Slack" for view following.