game
Class CGameCanvas

java.lang.Object
  java.awt.Component
      java.awt.Canvas
          game.CGameCanvas

All Implemented Interfaces:

IGame, IGameDisplay, java.awt.event.MouseListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible

public class CGameCanvas
extends java.awt.Canvas
implements IGame, IGameDisplay, java.awt.event.MouseListener

The game Canvas, implementing the IGame and IGameDisplay interfaces. Responds to user actions through controllers as well.

Author:

sroccaserra

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Canvas

java.awt.Canvas.AccessibleAWTCanvas

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

static java.awt.Color	DEFAULT_COLOR
static float	FPS
static java.awt.Color	GAME_BG_COLOR
static int	H
private java.awt.Graphics	m_backBuffer
private CAnimatedSprite	m_ball
private java.awt.Image	m_bgImage
private CBitmapFont	m_bmpBlueFont
private CBitmapFont	m_bmpBoldFont_9
private CBitmapFont	m_bmpFont_13
private CBitmapFont	m_bmpGreenFont
private CBitmapFont	m_bmpRedFont
private boolean	m_cantAnimate
private boolean	m_cantDraw
private CGraphicLayer	m_cBackgroundLayer
private CCriticalLayer	m_cCriticalLayer
private CEphemereLayer	m_cEphemereLayer
private CEphemereMessage	m_criticalWarning
private CGraphicLayer	m_cTextLayer
private IGameApplication	m_gameApplication
private CGameController	m_gameController1
private CGameLoop	m_gameLoop
private CHighscoreTable	m_highscoreTable
private java.awt.Image	m_introImage
private boolean	m_isDrawing
private CMouseController	m_mouseController
private long	m_msStartTime
private java.awt.Image	m_offscreenImage
private COnscreenMessage	m_pressStart
private CStaticSprite	m_scoreBoxSprite
private CScoreManager	m_scoreManager
private boolean	m_showDebugText
static java.awt.Color	SHADOW_COLOR
static java.lang.String	STR_DATE
static java.lang.String	STR_NAME
static java.lang.String	STR_VERSION
static java.awt.Color	TITLE_BG_COLOR
static int	W

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

private	CGameCanvas() Basic constructor (if no resource - gfx or sound - needs to be loaded).
	CGameCanvas(IGameApplication gameApplication) Resource loading constructor.

Method Summary

private void	addHitText(int nbHits, int increment, int multiplier, float x, float y)
private void	addRandomBall()
private void	addRandomRect()
private void	addStaticData() (Re)inits internal data.
void	animate(float dt) Animation function called by the game loop.
private void	checkState() Checks controller inputs.
void	clear() Clears internal data.
void	draw() The drawing function called by the game loop.
private void	draw(java.awt.Graphics g) Internal drawing function.
private java.awt.Image	generateBGImage() Computes the background image.
private java.awt.Image	generateIntroImage() Computes the intro (credits) image.
private void	generateSparkles(CVector2D position, CVector2D velocity) Generates sparkles.
CBitmapFont	getBlueFont()
CBitmapFont	getBoldFont()
CBitmapFont	getDefaultFont()
CBitmapFont	getGreenFont()
CBitmapFont	getRedFont()
int	getX() IGameDisplay implementation.
int	getY() IGameDisplay implementation.
private void	init() (Re)inits internal data.
void	mouseClicked(java.awt.event.MouseEvent arg0)
void	mouseEntered(java.awt.event.MouseEvent arg0)
void	mouseExited(java.awt.event.MouseEvent arg0)
void	mousePressed(java.awt.event.MouseEvent arg0)
void	mouseReleased(java.awt.event.MouseEvent arg0)
void	paint(java.awt.Graphics g) Canvas override.
private void	pause() Pauses the animation.
private void	plugController(CGameController gc) Game controller declaration.
private void	plugMouseController(CMouseController mc) Mouse controller declaration.
private void	popNHitGraphicObject(IGraphicObject go) Pops an object and registers a hit.
private void	recordControllerStates() Records current controllers state.
private void	restart() Restarts the game.
void	setBounds(int arg0, int arg1, int arg2, int arg3) Component override.
void	startLoop() Called by the Applet or main application to start the game loop.
void	stopLoop() Called by the Applet or main application to stop the game loop.
private void	unpause() Unpauses the animation.
void	update(java.awt.Graphics g) Canvas override.

Methods inherited from class java.awt.Canvas

addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy

Methods inherited from class java.awt.Component

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface game.IGameDisplay

getHeight, getWidth

Field Detail

STR_NAME

public static final java.lang.String STR_NAME

See Also:

Constant Field Values

STR_VERSION

public static final java.lang.String STR_VERSION

See Also:

Constant Field Values

STR_DATE

public static final java.lang.String STR_DATE

See Also:

Constant Field Values

FPS

public static final float FPS

See Also:

Constant Field Values

m_msStartTime

private long m_msStartTime

m_gameLoop

private CGameLoop m_gameLoop

m_showDebugText

private boolean m_showDebugText

W

public static final int W

See Also:

Constant Field Values

H

public static final int H

See Also:

Constant Field Values

DEFAULT_COLOR

public static final java.awt.Color DEFAULT_COLOR

SHADOW_COLOR

public static final java.awt.Color SHADOW_COLOR

TITLE_BG_COLOR

public static final java.awt.Color TITLE_BG_COLOR

GAME_BG_COLOR

public static final java.awt.Color GAME_BG_COLOR

m_cantDraw

private volatile boolean m_cantDraw

m_isDrawing

private volatile boolean m_isDrawing

m_cantAnimate

private volatile boolean m_cantAnimate

m_cBackgroundLayer

private CGraphicLayer m_cBackgroundLayer

m_cCriticalLayer

private CCriticalLayer m_cCriticalLayer

m_cEphemereLayer

private CEphemereLayer m_cEphemereLayer

m_cTextLayer

private CGraphicLayer m_cTextLayer

m_offscreenImage

private java.awt.Image m_offscreenImage

m_backBuffer

private java.awt.Graphics m_backBuffer

m_scoreBoxSprite

private CStaticSprite m_scoreBoxSprite

m_ball

private CAnimatedSprite m_ball

m_introImage

private java.awt.Image m_introImage

m_bgImage

private java.awt.Image m_bgImage

m_criticalWarning

private CEphemereMessage m_criticalWarning

m_pressStart

private COnscreenMessage m_pressStart

m_bmpFont_13

private CBitmapFont m_bmpFont_13

m_bmpBoldFont_9

private CBitmapFont m_bmpBoldFont_9

m_bmpRedFont

private CBitmapFont m_bmpRedFont

m_bmpGreenFont

private CBitmapFont m_bmpGreenFont

m_bmpBlueFont

private CBitmapFont m_bmpBlueFont

m_gameController1

private CGameController m_gameController1

m_mouseController

private CMouseController m_mouseController

m_scoreManager

private CScoreManager m_scoreManager

m_highscoreTable

private CHighscoreTable m_highscoreTable

m_gameApplication

private IGameApplication m_gameApplication

Constructor Detail

CGameCanvas

private CGameCanvas()

Basic constructor (if no resource - gfx or sound - needs to be loaded).

CGameCanvas

public CGameCanvas(IGameApplication gameApplication)

Resource loading constructor.

Parameters:

gameApplication - : the object that can access and load resources.
Typicaly an Applet derivate or the main app.

Method Detail

addStaticData

private void addStaticData()

(Re)inits internal data.

plugController

private void plugController(CGameController gc)

Game controller declaration.

plugMouseController

private void plugMouseController(CMouseController mc)

Mouse controller declaration.

init

private void init()

(Re)inits internal data.

clear

public void clear()

Clears internal data.

restart

private void restart()

Restarts the game.

startLoop

public void startLoop()

Called by the Applet or main application to start the game loop.

stopLoop

public void stopLoop()

Called by the Applet or main application to stop the game loop.

pause

private void pause()

Pauses the animation.

unpause

private void unpause()

Unpauses the animation.

checkState

private void checkState()

Checks controller inputs.

recordControllerStates

private void recordControllerStates()

Records current controllers state.

addHitText

private void addHitText(int nbHits,
                        int increment,
                        int multiplier,
                        float x,
                        float y)

popNHitGraphicObject

private final void popNHitGraphicObject(IGraphicObject go)

Pops an object and registers a hit. Sparkles are generated at object center position.

Parameters:

go - : the IGraphicObject to pop.

generateSparkles

private final void generateSparkles(CVector2D position,
                                    CVector2D velocity)

Generates sparkles.

Parameters:

position - : origin of the sparkles

velocity - : average speed of the sparkles

animate

public void animate(float dt)

Animation function called by the game loop.

Specified by:

animate in interface IGame

Parameters:

dt - : the amount of game time since last frame. Can be fixed (frame based anim.) or variable (real time based anim.).

draw

public final void draw()

The drawing function called by the game loop. The drawing is double buffered.

Specified by:

draw in interface IGame

draw

private final void draw(java.awt.Graphics g)

Internal drawing function.

Parameters:

g - : the Graphics to draw to.

addRandomRect

private void addRandomRect()

addRandomBall

private void addRandomBall()

paint

public final void paint(java.awt.Graphics g)

Canvas override. If the backbuffer image is available, simply draw it to g. Otherwise, calls super.paint().

Overrides:

paint in class java.awt.Canvas

Parameters:

g -

update

public final void update(java.awt.Graphics g)

Canvas override. Avoids flicker.

Overrides:

update in class java.awt.Canvas

Parameters:

g -

setBounds

public void setBounds(int arg0,
                      int arg1,
                      int arg2,
                      int arg3)

Component override. Calls super and resets the backbuffer since size has changed.

Overrides:

setBounds in class java.awt.Component

getX

public final int getX()

IGameDisplay implementation. Can be used in later versions to translate the whole game surface.

Specified by:

getX in interface IGameDisplay

Overrides:

getX in class java.awt.Component

Returns:

the x position of the game surface

getY

public final int getY()

IGameDisplay implementation. Can be used in later versions to translate the whole game surface.

Specified by:

getY in interface IGameDisplay

Overrides:

getY in class java.awt.Component

Returns:

the y position of the game surface

getDefaultFont

public final CBitmapFont getDefaultFont()

Specified by:

getDefaultFont in interface IGameDisplay

getBoldFont

public final CBitmapFont getBoldFont()

Specified by:

getBoldFont in interface IGameDisplay

getRedFont

public final CBitmapFont getRedFont()

Specified by:

getRedFont in interface IGameDisplay

getGreenFont

public final CBitmapFont getGreenFont()

Specified by:

getGreenFont in interface IGameDisplay

getBlueFont

public final CBitmapFont getBlueFont()

Specified by:

getBlueFont in interface IGameDisplay

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent arg0)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent arg0)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent arg0)

Specified by:

mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent arg0)

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent arg0)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

generateBGImage

private java.awt.Image generateBGImage()

Computes the background image.

Returns:

the generated background image.

generateIntroImage

private java.awt.Image generateIntroImage()

Computes the intro (credits) image.

Returns:

the generated intro image.