diff --git a/plutoaudio/src/main/java/cz/tefek/pluto/engine/audio/AudioLoader.java b/plutoaudio/src/main/java/cz/tefek/pluto/engine/audio/AudioLoader.java
index dedb0a2..51a0b3b 100644
--- a/plutoaudio/src/main/java/cz/tefek/pluto/engine/audio/AudioLoader.java
+++ b/plutoaudio/src/main/java/cz/tefek/pluto/engine/audio/AudioLoader.java
@@ -108,7 +108,7 @@ public class AudioLoader
 
     public static class MemoryPCMTrack extends SeekableTrack
     {
-        private ShortBuffer pcmAudio = null;
+        private final ShortBuffer pcmAudio;
 
         private int sampleOffset = 0;
 
diff --git a/plutolib/src/main/java/cz/tefek/pluto/io/asl/resource/ResourceAddress.java b/plutolib/src/main/java/cz/tefek/pluto/io/asl/resource/ResourceAddress.java
index 0a62edb..89f0bd3 100644
--- a/plutolib/src/main/java/cz/tefek/pluto/io/asl/resource/ResourceAddress.java
+++ b/plutolib/src/main/java/cz/tefek/pluto/io/asl/resource/ResourceAddress.java
@@ -5,6 +5,7 @@ import java.nio.file.FileSystems;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 import java.util.regex.Pattern;
 
 import cz.tefek.pluto.io.logger.Logger;
@@ -15,11 +16,15 @@ import cz.tefek.pluto.modloader.ModLoaderCore;
  * Resource address is a universal key for all resource and file loading. You
  * just need a {@link ResourceSubscriber} (which holds the root folder location)
  * and a {@link String} containing the address. The address itself works like a
- * Java package. For example <i>"sample.textures.test"</i> formats as
+ * Java package.
+ *
+ * <p>
+ * For example, <i>"sample.textures.test"</i> formats as
  * <code>[root_folder]/sample/textures/test</code> when converted using
  * <code>toPath()</code>. To define a file extension for your address, use the
  * <code>fileExtension(String)</code> method. To remove the file extension use
  * <code>fileExtension(null)</code>.
+ * </p>
  *
  * @author 493msi
  *
@@ -291,14 +296,24 @@ public class ResourceAddress
         return Path.of(pathBuilder.toString());
     }
 
+    @Override
+    public boolean equals(Object o)
+    {
+        if (this == o)
+            return true;
+
+        if (o == null || this.getClass() != o.getClass())
+            return false;
+
+        ResourceAddress that = (ResourceAddress) o;
+        return this.subAddress.equals(that.subAddress) &&
+               this.resSubscriber.equals(that.resSubscriber) &&
+               Objects.equals(this.fileExtension, that.fileExtension);
+    }
+
     @Override
     public int hashCode()
     {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + ((this.fileExtension == null) ? 0 : this.fileExtension.hashCode());
-        result = prime * result + this.resSubscriber.hashCode();
-        result = prime * result + this.subAddress.hashCode();
-        return result;
+        return Objects.hash(subAddress, resSubscriber, fileExtension);
     }
 }
diff --git a/plutolib/src/main/java/cz/tefek/pluto/l10n/PlutoL10n.java b/plutolib/src/main/java/cz/tefek/pluto/l10n/PlutoL10n.java
index 61b29ac..f063ff4 100644
--- a/plutolib/src/main/java/cz/tefek/pluto/l10n/PlutoL10n.java
+++ b/plutolib/src/main/java/cz/tefek/pluto/l10n/PlutoL10n.java
@@ -11,7 +11,7 @@ public class PlutoL10n
 {
     private static Locale defaultLocale;
 
-    private static Map<Locale, Map<String, String>> localizations = new HashMap<>();
+    private static final Map<Locale, Map<String, String>> localizations = new HashMap<>();
 
     public static void init(Locale locale)
     {
@@ -25,12 +25,7 @@ public class PlutoL10n
 
     public static void registerLocale(Locale locale)
     {
-        if (localizations.containsKey(locale))
-        {
-            return;
-        }
-
-        localizations.put(locale, new HashMap<>());
+        localizations.computeIfAbsent(locale, key -> new HashMap<>());
     }
 
     public static void setLocale(Locale locale)
diff --git a/plutolib/src/main/java/cz/tefek/pluto/util/color/Color.java b/plutolib/src/main/java/cz/tefek/pluto/util/color/Color.java
index 1130dac..6994243 100644
--- a/plutolib/src/main/java/cz/tefek/pluto/util/color/Color.java
+++ b/plutolib/src/main/java/cz/tefek/pluto/util/color/Color.java
@@ -3,7 +3,20 @@ package cz.tefek.pluto.util.color;
 import javax.annotation.Nonnull;
 
 /**
- * TODO
+ * A simple 8-bit RGBA color container.
+ *
+ * <p><em>
+ *  Some methods mutate the object to avoid new object creation.
+ *  These methods are prefixed with "store".
+ * </em></p>
+ *
+ * @implNote Each of the color components is stored separately as a 32-bit integer
+ * to avoid unnecessary type conversion at the cost of some memory.
+ *
+ * <p>
+ * This however should not be a problem as <em>this class is not designed
+ * for large-scale or performance-sensitive color operations</em>.
+ * </p>
  *
  * @since 20.2.0.0-alpha.3
  * @author 493msi
@@ -73,7 +86,7 @@ public final class Color
     public int alpha = 255;
 
     /**
-     * TODO
+     * Creates a new Color object from the supplied RGBA color components.
      *
      * @since 20.2.0.0-alpha.3
      * @author 493msi
@@ -87,7 +100,9 @@ public final class Color
     }
 
     /**
-     * TODO
+     * Creates a new Color object from the supplied RGBA color components.
+     *
+     * Alpha is set to 255 by default.
      *
      * @since 20.2.0.0-alpha.3
      * @author 493msi
@@ -100,7 +115,13 @@ public final class Color
     }
 
     /**
-     * TODO
+     * Converts the supplied float-based {@link IRGBA} color object to a new {@link Color} object and returns it.
+     *
+     * @return A new {@link Color} object
+     *
+     * @param colorComponents An {@link IRGBA} color object
+     *
+     * @implNote Color values are rounded to the nearest integer.
      *
      * @since 20.2.0.0-alpha.3
      * @author 493msi
@@ -153,6 +174,17 @@ public final class Color
         }
     }
 
+    /**
+     * TODO
+     *
+     * @since 20.2.0.0-alpha.3
+     * @author 493msi
+     */
+    public static Color fromAWT(@Nonnull java.awt.Color color)
+    {
+        return new Color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha());
+    }
+
     /**
      * TODO
      *
@@ -443,4 +475,16 @@ public final class Color
         target.s = hsb.s;
         target.b = hsb.b;
     }
+
+
+    /**
+     * TODO
+     *
+     * @since 20.2.0.0-alpha.3
+     * @author 493msi
+     */
+    public java.awt.Color toAWT()
+    {
+        return new java.awt.Color(this.red, this.green, this.blue, this.alpha);
+    }
 }
diff --git a/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/DrawMode.java b/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/DrawMode.java
index 5492999..516eb94 100644
--- a/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/DrawMode.java
+++ b/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/DrawMode.java
@@ -26,9 +26,9 @@ public enum DrawMode implements IOpenGLEnum
     TRIANGLE_STRIP_ADJACENCY(GL33.GL_TRIANGLE_STRIP_ADJACENCY),
     PATCHES(GL40.GL_PATCHES);
 
-    private int glID;
+    private final int glID;
 
-    private DrawMode(int id)
+    DrawMode(int id)
     {
         this.glID = id;
     }
diff --git a/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/vbo/EnumArrayBufferType.java b/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/vbo/EnumArrayBufferType.java
index 6e53745..708669a 100644
--- a/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/vbo/EnumArrayBufferType.java
+++ b/plutomesher/src/main/java/cz/tefek/pluto/engine/graphics/gl/vbo/EnumArrayBufferType.java
@@ -10,9 +10,9 @@ public enum EnumArrayBufferType implements IOpenGLEnum
     INT(GL33.GL_INT),
     UNSIGNED_INT(GL33.GL_UNSIGNED_INT);
 
-    private int glID;
+    private final int glID;
 
-    private EnumArrayBufferType(int glEnum)
+    EnumArrayBufferType(int glEnum)
     {
         this.glID = glEnum;
     }