Class ZoneManager

java.lang.Object

model.game.ZoneManager

public class ZoneManager
extends Object

Shrinking Zone system. Every 8 rounds the safe zone shrinks by 1 cell. Players standing on lava take 10 HP damage every round.

Field Summary

Fields

Modifier and Type	Field	Description
private int	currentRadius	Current radius of the safe zone (starts at 5, i.e.
private static final int	SHRINK_INTERVAL	Number of rounds before the zone shrinks by 1 cell.
private static final int	ZONE_DAMAGE	Amount of HP a player loses per round when standing on lava.

Constructor Summary

Constructors

Constructor	Description
ZoneManager()	Creates a ZoneManager with the initial radius set to half the map size.

Method Summary

Modifier and Type	Method	Description
boolean	applyZoneDamage(Player p1, Player p2, MapGrid map)	Applies zone damage to any player standing on lava.
private void	convertNewlyExposedCellsToLava(MapGrid map)	Converts all cells outside the safe zone to lava and removes any items or goblins on those cells.
int	getCurrentRadius()
int	getZoneDamage()
boolean	isOutsideZone(int row, int col)	Checks whether a cell is outside the safe zone using Chebyshev distance from the map centre.
boolean	onRoundEnd(int round, MapGrid map)	Called at the end of every round to check whether the zone should shrink.

Methods inherited from class java.lang.Object

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

Field Details

SHRINK_INTERVAL

private static final int SHRINK_INTERVAL

Number of rounds before the zone shrinks by 1 cell. For example, with SHRINK_INTERVAL = 8, the zone shrinks on rounds 8, 16, 24, ...

See Also:

• Constant Field Values

ZONE_DAMAGE

private static final int ZONE_DAMAGE

Amount of HP a player loses per round when standing on lava. Applied at the end of every round via applyZoneDamage().

See Also:

• Constant Field Values

currentRadius

private int currentRadius

Current radius of the safe zone (starts at 5, i.e. half the map size).

Constructor Details

ZoneManager

public ZoneManager()

Creates a ZoneManager with the initial radius set to half the map size.

Method Details

onRoundEnd

public boolean onRoundEnd(int round,
 MapGrid map)

Called at the end of every round to check whether the zone should shrink. If so, the radius is decremented and newly exposed cells are converted to lava.

Parameters:

round - Current round number

map - Map whose cells will be updated

Returns:

true if the zone shrank this round

convertNewlyExposedCellsToLava

private void convertNewlyExposedCellsToLava(MapGrid map)

Converts all cells outside the safe zone to lava and removes any items or goblins on those cells.

Parameters:

map - Map to update

isOutsideZone

public boolean isOutsideZone(int row,
 int col)

Checks whether a cell is outside the safe zone using Chebyshev distance from the map centre.

Parameters:

row - Row of the cell

col - Column of the cell

Returns:

true if the cell is outside the safe zone

applyZoneDamage

public boolean applyZoneDamage(Player p1,
 Player p2,
 MapGrid map)

Applies zone damage to any player standing on lava.

Parameters:

p1 - Player 1

p2 - Player 2

map - Current map

Returns:

true if at least one player took damage

getCurrentRadius

public int getCurrentRadius()

Returns:

Current safe zone radius

getZoneDamage

public int getZoneDamage()

Returns:

Damage per round when standing on lava