Class Grid

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--Grid

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

public class Grid

extends java.awt.Panel

Class for displaying the map and handling the Player Movements. Fires Events for battles and redirects

See Also:

Player, People, MapObject, Redirect, RedirectEvent, Game, BattleEvent, Serialized Form

Field Summary

static int	DEFAULTNUM The default number of Rows/COlumns
static int	DOWN Down direction
static int	LEFT Left direction
protected int	numi The number of rows
protected int	numj The number of columns
protected int	pi The position of the player, the row/i
protected int	pj The position of the player, the column/j
static int	RIGHT Right direction
static int	UP Up direction

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Grid()
Construct a new Grid of size Grid.DEFAULTNUM

Method Summary

void	addBattleListener(BattleListener bl) Add a class to be notified of Battles
void	addRedirectListener(RedirectListener r) Add a class to be notified of Battles
void	allowMonsterOnMap(int m) Allow wild Monsters of type m on this.
void	beginBattleWithPlayer(MapObject opp) Call to begin a battle with th Player, fires the events.
boolean	canMove(int i, int j) Determines if the Location specified can be moved into
void	destroy() Destroy all threads tied to this by setting their Grid Objects to null.
void	fillGrid() Fills the Grid in a standard manner, useful for debugging.
void	fillMonsters() Removes the older wild Monsters, and add new ones randomly from th selection allowed.
int	getNumColumns() Gets the number of columns
int	getNumRows() Gets the number of rows.
java.awt.Dimension	getPerferredSize() Returns the preferred size of this.
Player	getPlayer() Gets the Player of this.
void	init() Initialize the Grid, ie start the Peopl Moving, and fill this with wild Monsters
MapObject	isPeopleInDirection(int i, int j, int dir, int distance) Returns the MapObject in the direction specified within the distance specified from the i, j specified.
boolean	isValidLocation(int i, int j) Determines if the Location specified is a valid on this.
Location	locationOf(MapObject mp) Gets the Location of the specified MapObject, uses equals(Object o).
MapObject	mapObjectAt(int i, int j) Gets the MapObject at i, j.
void	moveMapObjectTo(int i, int j, int ni, int nj) Moves the MapObject at i, j to ni, nj.
void	movePlayerTo(int direction) Moves the Player in the direction specified
void	paint(java.awt.Graphics g) Draws the components of this
void	processEvent(java.awt.AWTEvent e) Handle the Events.
void	removeAllObjects() Remove All Objects from the Grid.
void	removeBattleListener(BattleListener bl) Removes a class that was being notified.
MapObject	removeObject(int i, int j) Removes and returns the MapObject at the specified Location
void	removeRedirectListener(RedirectListener r) Removes a class that was being notified.
void	repaint(int i, int j) Repaint the Location specified.
void	setDefault(MapObject m) Sets the default backdrop to display.
void	setMonsterLevel(int l) Sets the wild Monsters level for this
void	setObjectAt(MapObject mp, int i, int j) Sets the object at the Location specified
void	setPlayer(Player p) Sets the Player of this.
void	update(java.awt.Graphics g) Overriden to rmove the flickering effect

Methods inherited from class java.awt.Panel

addNotify, getAccessibleContext

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULTNUM

public static final int DEFAULTNUM

The default number of Rows/COlumns

See Also:

Constant Field Values

LEFT

public static final int LEFT

Left direction

See Also:

Constant Field Values

RIGHT

public static final int RIGHT

Right direction

See Also:

Constant Field Values

UP

public static final int UP

Up direction

See Also:

Constant Field Values

DOWN

public static final int DOWN

Down direction

See Also:

Constant Field Values

numi

protected int numi

The number of rows

numj

protected int numj

The number of columns

pi

protected int pi

The position of the player, the row/i

pj

protected int pj

The position of the player, the column/j

Constructor Detail

Grid

public Grid()

Construct a new Grid of size Grid.DEFAULTNUM

Method Detail

getNumRows

public int getNumRows()

Gets the number of rows.

Returns:

the Number of rows

getNumColumns

public int getNumColumns()

Gets the number of columns

Returns:

the number of columns

isValidLocation

public boolean isValidLocation(int i,
                               int j)

Determines if the Location specified is a valid on this.

Parameters:

i - the row

j - the column

Returns:

true iff i & j are in this ie less than Grid.DEFAULTNUM, and greater than 0

canMove

public boolean canMove(int i,
                       int j)

Determines if the Location specified can be moved into

Parameters:

i - the row

j - the column

Returns:

truee iff can be moved into, ie if isValidLocation, and canBeEntered

See Also:

MapObject, Grass, Floor

setDefault

public void setDefault(MapObject m)

Sets the default backdrop to display.

Parameters:

m - the MapObject to have as the backdrop

getPerferredSize

public java.awt.Dimension getPerferredSize()

Returns the preferred size of this. Needs be larger or equal to the size of the Applet

Returns:

the Dimension of this

See Also:

Game

setPlayer

public void setPlayer(Player p)

Sets the Player of this.

Parameters:

p - the new Player of this

setObjectAt

public void setObjectAt(MapObject mp,
                        int i,
                        int j)
                 throws InvalidLocationException,
                        NonEmptyException

Sets the object at the Location specified

Parameters:

mp - the MapObject to set at i, j

i - the row

j - the column

Throws:

InvalidLocationException - iff !isValidException(i, j)

NonEmptyException - iff !canMove(i, j)

removeObject

public MapObject removeObject(int i,
                              int j)
                       throws InvalidLocationException

Removes and returns the MapObject at the specified Location

Parameters:

i - the row

j - the column

Throws:

InvalidLocationException - iff !isValidException(i, j)

removeAllObjects

public void removeAllObjects()

Remove All Objects from the Grid.

mapObjectAt

public MapObject mapObjectAt(int i,
                             int j)
                      throws EmptyLocationException,
                             InvalidLocationException

Gets the MapObject at i, j.

Parameters:

i - the row

j - the columne

Throws:

InvalidLocationException - iff !isValidException(i, j)

EmptyLocationException - if the Location only contains the default MapObject

locationOf

public Location locationOf(MapObject mp)
                    throws InvalidLocationException

Gets the Location of the specified MapObject, uses equals(Object o). Has a O(n*n) run time.

Parameters:

mp - the MapObject to search for.

InvalidLocationException

isPeopleInDirection

public MapObject isPeopleInDirection(int i,
                                     int j,
                                     int dir,
                                     int distance)
                              throws InvalidLocationException

Returns the MapObject in the direction specified within the distance specified from the i, j specified.

Parameters:

i - the row

j - the column

dir - the direction as specified above

distance - the distance to look

Throws:

InvalidLocationException - iff !isValidException(i, j)

getPlayer

public Player getPlayer()

Gets the Player of this.

Returns:

the Player of this

movePlayerTo

public void movePlayerTo(int direction)
                  throws NonEmptyException,
                         InvalidLocationException

Moves the Player in the direction specified

Parameters:

direction - the direction to move the player, as specified above

NonEmptyException

InvalidLocationException

moveMapObjectTo

public void moveMapObjectTo(int i,
                            int j,
                            int ni,
                            int nj)
                     throws NonEmptyException,
                            InvalidLocationException,
                            EmptyLocationException

Moves the MapObject at i, j to ni, nj.

Parameters:

i - the row originally at

j - the column origanally at

ni - the new row

nj - the new column

Throws:

InvalidLocationException - iff !isValidException(i, j)

NonEmptyException - iff !canMove(i, j)

EmptyLocationException - Will Not Be Thrown.

processEvent

public void processEvent(java.awt.AWTEvent e)

Handle the Events. Overriden to handle the KeyEvents.

Overrides:

processEvent in class java.awt.Container

Parameters:

e - the AWTEvent to process

allowMonsterOnMap

public void allowMonsterOnMap(int m)

Allow wild Monsters of type m on this.

Parameters:

m - the Monster. to allow

setMonsterLevel

public void setMonsterLevel(int l)

Sets the wild Monsters level for this

Parameters:

l - the level of the wild Monsters

fillGrid

public void fillGrid()

Fills the Grid in a standard manner, useful for debugging.

init

public void init()

Initialize the Grid, ie start the Peopl Moving, and fill this with wild Monsters

fillMonsters

public void fillMonsters()

Removes the older wild Monsters, and add new ones randomly from th selection allowed.

destroy

public void destroy()

Destroy all threads tied to this by setting their Grid Objects to null.

See Also:

PersonAI, Trainer

paint

public void paint(java.awt.Graphics g)

Draws the components of this

Overrides:

paint in class java.awt.Container

Parameters:

g - the Graphics

update

public void update(java.awt.Graphics g)

Overriden to rmove the flickering effect

Overrides:

update in class java.awt.Container

Parameters:

g - the Graphics

repaint

public void repaint(int i,
                    int j)

Repaint the Location specified.

Parameters:

i - the row

j - the column

addBattleListener

public void addBattleListener(BattleListener bl)

Add a class to be notified of Battles

removeBattleListener

public void removeBattleListener(BattleListener bl)

Removes a class that was being notified.

addRedirectListener

public void addRedirectListener(RedirectListener r)

Add a class to be notified of Battles

removeRedirectListener

public void removeRedirectListener(RedirectListener r)

Removes a class that was being notified.

beginBattleWithPlayer

public void beginBattleWithPlayer(MapObject opp)

Call to begin a battle with th Player, fires the events.

Parameters:

opp - the Opponent of the Player.