Refactor component

1 files changed, 98 insertions, 108 deletions

diff --git a/src/ch/epfl/xblast/client/XBlastComponent.java b/src/ch/epfl/xblast/client/XBlastComponent.java
index ac9f223..cab6fde 100644
--- a/src/ch/epfl/xblast/client/XBlastComponent.java
+++ b/src/ch/epfl/xblast/client/XBlastComponent.java
@@ -1,143 +1,129 @@
 package ch.epfl.xblast.client;
 
+import ch.epfl.xblast.Cell;
 import ch.epfl.xblast.PlayerID;
 
 import javax.swing.*;
 import java.awt.*;
+import java.awt.image.ImageObserver;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
+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 final int PREFERRED_WIDTH = 960;
-    private static final int PREFERRED_HEIGHT = 688;
-    private static final int BLOCK_WIDTH = 64;
-    private static final int BLOCK_HEIGHT = 48;
-    private static final int SCORE_IMAGE_WIDTH = 48;
-    private static final int SCORE_IMAGE_HEIGHT = 48;
-    private static final int TIME_LED_WIDTH = 16;
-    private static final int TIME_LED_HEIGHT = 16;
-
-    private static final Font font = new Font("Arial", Font.BOLD, 25);
-    private static final int SCORES_TEXT_VERTICAL_POSITION = 659;
-    private static final int SCORES_P1_TEXT_HORIZONTAL_POSITION = 96;
-    private static final int SCORES_P2_TEXT_HORIZONTAL_POSITION = 240;
-    private static final int SCORES_P3_TEXT_HORIZONTAL_POSITION = 768;
-    private static final int SCORES_P4_TEXT_HORIZONTAL_POSITION = 912;
 
-    /**
-     * Displayed gameState.
-     */
-    private GameState gamestate;
+    private static final ImageObserver IMG_OBSERVER = null;
 
-    /**
-     * Display a list of images on the given graphic context.
-     *
-     * @param g the graphic context
-     * @param images the given list of images, ordered in row-major order
-     */
-    private void drawMap(Graphics2D g, List<Image> images) {
-        int x = 0;
-        int y = 0;
+    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 PREFERRED_WINDOW_DIMENSION = frameDimension();
 
-        for (Image img : images) {
-            if (x + BLOCK_WIDTH > PREFERRED_WIDTH) {
-                y += BLOCK_HEIGHT; // Or img.getHeight(null) ?
-                x = 0;
-            }
+    private static final List<Point> CELL_POSITIONS = buildCellGrid(CELL_DIMENSION);
+    private static final List<Point> SCORE_TXT_POSITIONS = buildScorePositionList(659);
+    private static final List<Point> SCORE_BG_POSITIONS =
+            buildLine(SCORE_IMG_DIMENSION, 20, new Point(0, CELL_DIMENSION.height * Cell.ROWS));
+    private static final List<Point> TIME_LINE_POSITIONS =
+            buildLine(TIME_LED_DIMENSION, 60, new Point(0, CELL_DIMENSION.height * Cell.ROWS + SCORE_IMG_DIMENSION.height));
 
-            if (img != null)
-                g.drawImage(img, x, y, null);
+    private static final Font TXT_FONT = new Font("Arial", Font.BOLD, 25);
+    private static final Color TXT_COLOR = Color.WHITE;
 
-            x += BLOCK_WIDTH; // Or img.getWidth(null) ?
-        }
+    private static Dimension frameDimension() {
+        return new Dimension(
+                CELL_DIMENSION.width * Cell.COLUMNS,
+                CELL_DIMENSION.height * Cell.ROWS + SCORE_IMG_DIMENSION.height + TIME_LED_DIMENSION.height);
     }
 
-    /**
-     * Compute the horizontal position of the player in px.
-     *
-     * @param player the given player
-     * @return the horizontal position in pixel
-     */
-    private int playerXPosition(GameState.Player player) { return 4 * player.position().x() - 24; }
+    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()));
+    }
 
-    /**
-     * Compute the vertical position of the player in px.
-     *
-     * @param player the given player
-     * @return the vertical position in pixel
-     */
-    private int playerYPosition(GameState.Player player) { return 3 * player.position().y() - 52; }
+    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> buildScorePositionList(int vShift) {
+        return Arrays.asList(
+                new Point(96, vShift),
+                new Point(240, vShift),
+                new Point(768, vShift),
+                new Point(912, vShift));
+    }
+
+    private static void drawImage(Graphics2D g, Image img, Point pos) {
+        g.drawImage(img, pos.x, pos.y, IMG_OBSERVER);
+    }
+
+    private static void drawGrid(Graphics2D g, List<Point> grid, List<Image> imgs) {
+        for (int i = 0; i < grid.size() && i < imgs.size(); ++i)
+            drawImage(g, imgs.get(i), grid.get(i));
+    }
+
+    private static Point playerPosition(GameState.Player p) {
+        return new Point(
+                4 * p.position().x() - 24,
+                3 * p.position().y() - 52);
+    }
+
+    private GameState gameState;
+    private PlayerID playerID;
 
     /**
      * Draw the players on the graphic context.
      *
-     * @param g the graphic context
+     * @param g       the graphic context
      * @param players the list of players to be displayed
      */
     private void drawPlayers(Graphics2D g, List<GameState.Player> players) {
-        for (GameState.Player player : players) {
-            g.drawImage(player.image(), playerXPosition(player), playerYPosition(player), null);
-        }
-    }
+        // TODO: draw in preferred order
 
-    /**
-     * Draw the scores on the graphic context.
-     *
-     * @param g the graphic context
-     * @param scores the list of images composing the scores to be displayed
-     */
-    private void drawScores(Graphics2D g, List<Image> scores) {
-        int x = 0;
-        int y = PREFERRED_HEIGHT - SCORE_IMAGE_HEIGHT - TIME_LED_HEIGHT;
-        for (Image img : scores) {
-            g.drawImage(img, x, y, null);
-            x += SCORE_IMAGE_WIDTH;
-        }
+        for (GameState.Player p : players)
+            drawImage(g, p.image(), playerPosition(p));
     }
 
     /**
-     * Write the remaining lives of each player on the graphic context.
+     * Writes the remaining lives of each playerID on the graphic context.
      *
-     * @param g the graphic context
+     * @param g       the graphic context
      * @param players list of players
      */
-    private void writeScores(Graphics2D g,List<GameState.Player> players) {
-        g.setColor(Color.WHITE);
-        g.setFont(font);
-
-        // Ugly !!!!!
-        g.drawString(Integer.toString(players.get(0).lives()), SCORES_P1_TEXT_HORIZONTAL_POSITION,SCORES_TEXT_VERTICAL_POSITION);
-        g.drawString(Integer.toString(players.get(1).lives()), SCORES_P2_TEXT_HORIZONTAL_POSITION,SCORES_TEXT_VERTICAL_POSITION);
-        g.drawString(Integer.toString(players.get(2).lives()), SCORES_P3_TEXT_HORIZONTAL_POSITION,SCORES_TEXT_VERTICAL_POSITION);
-        g.drawString(Integer.toString(players.get(3).lives()), SCORES_P4_TEXT_HORIZONTAL_POSITION,SCORES_TEXT_VERTICAL_POSITION);
+    private void writeScores(Graphics2D g, List<GameState.Player> players) {
+        g.setColor(TXT_COLOR);
+        g.setFont(TXT_FONT);
 
+        players.stream().forEach(p -> writeScore(g, p));
     }
 
-    /**
-     * Draw the time "line" on the graphic context
-     *
-     * @param g the graphic context
-     * @param time the list of images composing the line
-     */
-    private void drawTime(Graphics2D g, List<Image> time) {
-        int x = 0;
-        int y = PREFERRED_HEIGHT - TIME_LED_HEIGHT;
-        for (Image img : time) {
-            g.drawImage(img, x, y, null);
-            x += TIME_LED_WIDTH;
-        }
+    private void writeScore(Graphics2D g, GameState.Player p) {
+        String score = Integer.toString(p.lives());
+        Point pos = SCORE_TXT_POSITIONS.get(p.id().ordinal());
+        g.drawString(score, pos.x, pos.y);
     }