Code cleanup.

src/main/java/com/sk89q/util/StringUtil.java

@@ -246,7 +246,7 @@ public final class StringUtil {
         int i; // iterates through s
         int j; // iterates through t
 
-        char t_j; // jth character of t
+        char tj; // jth character of t
 
         int cost; // cost
 
@@ -255,11 +255,11 @@ public final class StringUtil {
         }
 
         for (j = 1; j <= m; ++j) {
-            t_j = t.charAt(j - 1);
+            tj = t.charAt(j - 1);
             d[0] = j;
 
             for (i = 1; i <= n; ++i) {
-                cost = s.charAt(i - 1) == t_j ? 0 : 1;
+                cost = s.charAt(i - 1) == tj ? 0 : 1;
                 // minimum of cell to the left+1, to the top+1, diagonally left
                 // and up +cost
                 d[i] = Math.min(Math.min(d[i - 1] + 1, p[i] + 1), p[i - 1]

src/main/java/com/sk89q/worldedit/LocalSession.java

@@ -650,8 +650,8 @@ public class LocalSession {
      *
      * @param CUIVersion
      */
-    public void setCUIVersion(int CUIVersion) {
-        this.cuiVersion = CUIVersion;
+    public void setCUIVersion(int cuiVersion) {
+        this.cuiVersion = cuiVersion;
     }
 
     /**

src/main/java/com/sk89q/worldedit/internal/expression/runtime/Operators.java

@@ -209,16 +209,16 @@ public final class Operators {
     }
 
     // Usable AlmostEqual function, based on http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
-    private static boolean almostEqual2sComplement(double A, double B, long maxUlps) {
+    private static boolean almostEqual2sComplement(double a, double b, long maxUlps) {
         // Make sure maxUlps is non-negative and small enough that the
         // default NAN won't compare as equal to anything.
         //assert(maxUlps > 0 && maxUlps < 4 * 1024 * 1024); // this is for floats, not doubles
 
-        long aLong = Double.doubleToRawLongBits(A);
+        long aLong = Double.doubleToRawLongBits(a);
         // Make aLong lexicographically ordered as a twos-complement long
         if (aLong < 0) aLong = 0x8000000000000000L - aLong;
 
-        long bLong = Double.doubleToRawLongBits(B);
+        long bLong = Double.doubleToRawLongBits(b);
         // Make bLong lexicographically ordered as a twos-complement long
         if (bLong < 0) bLong = 0x8000000000000000L - bLong;
 

src/main/java/com/sk89q/worldedit/internal/util/DocumentationPrinter.java

@@ -37,6 +37,12 @@ public final class DocumentationPrinter {
     private DocumentationPrinter() {
     }
 
+    /**
+     * Generates documentation.
+     *
+     * @param args arguments
+     * @throws IOException thrown on I/O error
+     */
     public static void main(String[] args) throws IOException {
         File commandsDir = new File(args[0]);
 
@@ -96,7 +102,7 @@ public final class DocumentationPrinter {
         try {
             stream = new FileOutputStream("wiki_permissions.txt");
             PrintStream print = new PrintStream(stream);
-            _writePermissionsWikiTable(print, commandClasses, "/");
+            writePermissionsWikiTable(print, commandClasses, "/");
         } finally {
             if (stream != null) {
                 stream.close();
@@ -104,7 +110,7 @@ public final class DocumentationPrinter {
         }
     }
 
-    private static void _writePermissionsWikiTable(PrintStream stream,
+    private static void writePermissionsWikiTable(PrintStream stream,
                                                   List<Class<?>> commandClasses, String prefix) {
 
         for (Class<?> cls : commandClasses) {
@@ -162,7 +168,7 @@ public final class DocumentationPrinter {
                             method.getAnnotation(NestedCommand.class);
 
                     Class<?>[] nestedClasses = nested.value();
-                    _writePermissionsWikiTable(stream,
+                    writePermissionsWikiTable(stream,
                             Arrays.asList(nestedClasses),
                             prefix + cmd.aliases()[0] + " ");
                 }
@@ -176,7 +182,7 @@ public final class DocumentationPrinter {
         try {
             stream = new FileOutputStream("plugin.yml");
             PrintStream print = new PrintStream(stream);
-            _writeBukkitYAML(print);
+            writeBukkitYAML(print);
         } finally {
             if (stream != null) {
                 stream.close();
@@ -184,7 +190,7 @@ public final class DocumentationPrinter {
         }
     }
 
-    private static void _writeBukkitYAML(PrintStream stream) {
+    private static void writeBukkitYAML(PrintStream stream) {
 
         stream.println("name: WorldEdit");
         stream.println("main: com.sk89q.worldedit.bukkit.WorldEditPlugin");

src/main/java/com/sk89q/worldedit/math/convolution/HeightMap.java

@@ -128,8 +128,8 @@ public class HeightMap {
                 int newHeight = Math.min(maxY, data[index]);
 
                 // Offset x,z to be 'real' coordinates
-                int X = x + originX;
-                int Z = z + originZ;
+                int xr = x + originX;
+                int zr = z + originZ;
 
                 // We are keeping the topmost blocks so take that in account for the scale
                 double scale = (double) (curHeight - originY) / (double) (newHeight - originY);
@@ -137,18 +137,18 @@ public class HeightMap {
                 // Depending on growing or shrinking we need to start at the bottom or top
                 if (newHeight > curHeight) {
                     // Set the top block of the column to be the same type (this might go wrong with rounding)
-                    BaseBlock existing = session.getBlock(new Vector(X, curHeight, Z));
+                    BaseBlock existing = session.getBlock(new Vector(xr, curHeight, zr));
 
                     // Skip water/lava
                     if (existing.getType() != BlockID.WATER && existing.getType() != BlockID.STATIONARY_WATER
                             && existing.getType() != BlockID.LAVA && existing.getType() != BlockID.STATIONARY_LAVA) {
-                        session.setBlock(new Vector(X, newHeight, Z), existing);
+                        session.setBlock(new Vector(xr, newHeight, zr), existing);
                         ++blocksChanged;
 
                         // Grow -- start from 1 below top replacing airblocks
                         for (int y = newHeight - 1 - originY; y >= 0; --y) {
                             int copyFrom = (int) (y * scale);
-                            session.setBlock(new Vector(X, originY + y, Z), session.getBlock(new Vector(X, originY + copyFrom, Z)));
+                            session.setBlock(new Vector(xr, originY + y, zr), session.getBlock(new Vector(xr, originY + copyFrom, zr)));
                             ++blocksChanged;
                         }
                     }
@@ -156,18 +156,18 @@ public class HeightMap {
                     // Shrink -- start from bottom
                     for (int y = 0; y < newHeight - originY; ++y) {
                         int copyFrom = (int) (y * scale);
-                        session.setBlock(new Vector(X, originY + y, Z), session.getBlock(new Vector(X, originY + copyFrom, Z)));
+                        session.setBlock(new Vector(xr, originY + y, zr), session.getBlock(new Vector(xr, originY + copyFrom, zr)));
                         ++blocksChanged;
                     }
 
                     // Set the top block of the column to be the same type
                     // (this could otherwise go wrong with rounding)
-                    session.setBlock(new Vector(X, newHeight, Z), session.getBlock(new Vector(X, curHeight, Z)));
+                    session.setBlock(new Vector(xr, newHeight, zr), session.getBlock(new Vector(xr, curHeight, zr)));
                     ++blocksChanged;
 
                     // Fill rest with air
                     for (int y = newHeight + 1; y <= curHeight; ++y) {
-                        session.setBlock(new Vector(X, y, Z), fillerAir);
+                        session.setBlock(new Vector(xr, y, zr), fillerAir);
                         ++blocksChanged;
                     }
                 }

src/main/java/com/sk89q/worldedit/world/snapshot/Snapshot.java

@@ -68,7 +68,7 @@ public class Snapshot implements Comparable<Snapshot> {
      * @throws DataException
      */
     public ChunkStore getChunkStore() throws IOException, DataException {
-        ChunkStore chunkStore = _getChunkStore();
+        ChunkStore chunkStore = internalGetChunkStore();
 
         logger.info("WorldEdit: Using " + chunkStore.getClass().getCanonicalName()
                 + " for loading snapshot '" + file.getAbsolutePath() + "'");
@@ -83,7 +83,7 @@ public class Snapshot implements Comparable<Snapshot> {
      * @throws IOException
      * @throws DataException
      */
-    public ChunkStore _getChunkStore() throws IOException, DataException {
+    private ChunkStore internalGetChunkStore() throws IOException, DataException {
         if (file.getName().toLowerCase().endsWith(".zip")) {
             try {
                 ChunkStore chunkStore = new TrueZipMcRegionChunkStore(file);