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package ch.epfl.xblast.client;
import ch.epfl.xblast.Cell;
import ch.epfl.xblast.Lists;
import ch.epfl.xblast.PlayerID;
import javax.swing.*;
import java.awt.*;
import java.awt.image.ImageObserver;
import java.util.*;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
/**
* The game graphical component.
*
* @author Pacien TRAN-GIRARD (261948)
* @author Timothée FLOURE (257420)
*/
public final class XBlastComponent extends JComponent {
private static class Grid {
private static final Dimension CELL_DIMENSION = new Dimension(64, 48);
private static final Dimension SCORE_IMG_DIMENSION = new Dimension(48, 48);
private static final Dimension TIME_LED_DIMENSION = new Dimension(16, 16);
private static final Dimension FRAME_DIMENSION = totalDimension();
private static final List<Point> CELL_POSITIONS = buildCellGrid(CELL_DIMENSION);
private static final List<Point> SCORE_BG_POSITIONS = buildScoreGrid();
private static final List<Point> TIME_LINE_POSITIONS = buildTimeLineGrid();
private static final Map<PlayerID, Point> SCORE_TXT_POSITIONS = buildScoreMap(659);
private static Dimension totalDimension() {
return new Dimension(
CELL_DIMENSION.width * Cell.COLUMNS,
CELL_DIMENSION.height * Cell.ROWS + SCORE_IMG_DIMENSION.height + TIME_LED_DIMENSION.height);
}
private static List<Point> buildCellGrid(Dimension elementDim) {
return Collections.unmodifiableList(Cell.ROW_MAJOR_ORDER.stream()
.map(c -> new Point(c.x() * elementDim.width, c.y() * elementDim.height))
.collect(Collectors.toList()));
}
private static List<Point> buildLine(Dimension elementDim, int len, Point shift) {
return Collections.unmodifiableList(IntStream.range(0, len)
.mapToObj(x -> new Point(x * elementDim.width + shift.x, shift.y))
.collect(Collectors.toList()));
}
private static List<Point> buildScoreGrid() {
return buildLine(
SCORE_IMG_DIMENSION,
FRAME_DIMENSION.width / SCORE_IMG_DIMENSION.width,
new Point(0, CELL_DIMENSION.height * Cell.ROWS));
}
private static List<Point> buildTimeLineGrid() {
return buildLine(
TIME_LED_DIMENSION,
FRAME_DIMENSION.width / TIME_LED_DIMENSION.width,
new Point(0, CELL_DIMENSION.height * Cell.ROWS + SCORE_IMG_DIMENSION.height));
}
private static Map<PlayerID, Point> buildScoreMap(int vShift) {
Map<PlayerID, Point> m = new EnumMap<>(PlayerID.class);
m.put(PlayerID.PLAYER_1, new Point(96, vShift));
m.put(PlayerID.PLAYER_2, new Point(240, vShift));
m.put(PlayerID.PLAYER_3, new Point(768, vShift));
m.put(PlayerID.PLAYER_4, new Point(912, vShift));
return m;
}
private static Point positionForPlayer(GameState.Player p) {
return new Point(
4 * p.position().x() - 24,
3 * p.position().y() - 52);
}
}
private static class Painter {
private static final ImageObserver IMG_OBSERVER = null;
private static final Font TXT_FONT = new Font("Arial", Font.BOLD, 25);
private static final Color TXT_COLOR = Color.WHITE;
private static void drawString(Graphics2D g, Point pos, String str) {
g.setColor(TXT_COLOR);
g.setFont(TXT_FONT);
g.drawString(str, pos.x, pos.y);
}
private static void drawImage(Graphics2D g, Point pos, Image img) {
g.drawImage(img, pos.x, pos.y, IMG_OBSERVER);
}
private static void drawImageMap(Graphics2D g, Map<Point, Image> m) {
for (Map.Entry<Point, Image> e : m.entrySet())
drawImage(g, e.getKey(), e.getValue());
}
private static <T> void drawStringMap(Graphics2D g, Map<Point, T> m) {
for (Map.Entry<Point, T> e : m.entrySet())
drawString(g, e.getKey(), e.getValue().toString());
}
/**
* Draws the players on the graphic context.
*
* @param g the graphic context
* @param players the list of players to be displayed
*/
private static void drawPlayers(Graphics2D g, List<GameState.Player> players) {
for (GameState.Player p : players)
drawImage(g, Grid.positionForPlayer(p), p.image());
}
}
private static List<GameState.Player> sortPlayers(List<GameState.Player> players, PlayerID currentPlayerID) {
return Lists.sorted(
players,
GameState.Player
.POSITION_COMPARATOR
.thenComparing(GameState.Player.idPushingComparator(currentPlayerID)));
}
private GameState gameState;
private PlayerID playerID;
/**
* Display the given GameState from the point of view of the given playerID.
*
* @param gs GameState to be displayed
* @param pid playerID related to the view
*/
public void setGameState(GameState gs, PlayerID pid) {
this.gameState = gs;
this.playerID = pid;
this.repaint();
}
/**
* Returns the value of the preferredSize property.
*
* @return the value of the preferredSize property
*/
@Override
public Dimension getPreferredSize() {
return Grid.FRAME_DIMENSION;
}
/**
* Draw the component.
*
* @param g0 the Graphics context
*/
@Override
protected void paintComponent(Graphics g0) {
Graphics2D g = (Graphics2D) g0;
if (Objects.isNull(this.gameState))
return;
Painter.drawImageMap(g, Lists.linearMap(Grid.CELL_POSITIONS, this.gameState.board()));
Painter.drawImageMap(g, Lists.linearMap(Grid.CELL_POSITIONS, this.gameState.explosions()));
Painter.drawImageMap(g, Lists.linearMap(Grid.SCORE_BG_POSITIONS, this.gameState.scores()));
Painter.drawImageMap(g, Lists.linearMap(Grid.TIME_LINE_POSITIONS, this.gameState.ticks()));
Painter.drawStringMap(g, Lists.traverseMaps(Lists.invertMap(Grid.SCORE_TXT_POSITIONS), this.gameState.playerScores()));
Painter.drawPlayers(g, sortPlayers(this.gameState.players(), this.playerID));
}
}
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