Pixel data loaded from TARGA files

src/engine/InterestManagement/HeightMap.java

@@ -40,7 +40,7 @@ public class HeightMap {
 
     public static final HashMap<Integer, HeightMap> heightmapByLoadNum = new HashMap<>();
 
-    public static final HashMap<Integer, byte[][]> _pixelData = new HashMap<>();
+    public static final HashMap<String, int[][]> _pixelData = new HashMap<>();
 
     // Heightmap data for all zones.
     public static float SCALEVALUE = 1.0f / 255;
@@ -310,7 +310,7 @@ public class HeightMap {
 
         Logger.info(HeightMap.heightmapByLoadNum.size() + " Heightmaps cached.");
 
-        // Load pixel data
+        // Load pixel data for heightmaps
 
         try (Stream<Path> filePathStream = Files.walk(Paths.get(ConfigManager.DEFAULT_DATA_DIR + "heightmaps/TARGA/"))) {
             filePathStream.forEach(filePath -> {
@@ -320,7 +320,24 @@ public class HeightMap {
 
                     try {
                         BufferedImage heightmapImage = ImageIO.read(imageFile);
-                        int width = heightmapImage.getWidth();
+
+                        // Generate pixel for this heightmap.  RPG channels are all the same
+                        // in this greyscale TGA heightmap.  We will choose red.
+
+                        int[][] colorData = new int[heightmapImage.getWidth()][heightmapImage.getHeight()];
+
+                        for (int y = 0; y < heightmapImage.getHeight(); y++) {
+                            for (int x = 0; x < heightmapImage.getWidth(); x++) {
+
+                                Color color = new Color(heightmapImage.getRGB(x, y));
+                                colorData[x][y] = color.getRed();
+                            }
+                        }
+
+                        // Insert color data into lookup table
+
+                        _pixelData.put(imageFile.getName().substring(0, imageFile.getName().lastIndexOf(".")), colorData);
+
                     } catch (IOException e) {
                         throw new RuntimeException(e);
                     }