106- · 106- · Jun 4, 2025 · Jun 3, 2025
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -11,7 +11,7 @@
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
         <service
-            android:name="net.t106.sinkerglwallpaper.rendering.services.SinkerService"
+            android:name="net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService"
             android:label="@string/app_name"
             android:permission="android.permission.BIND_WALLPAPER"
             android:exported="true">

diff --git a/app/src/main/java/net/t106/sinkerglwallpaper/config/BlendModeManager.java b/app/src/main/java/net/t106/sinkerglwallpaper/config/BlendModeManager.java
@@ -8,7 +8,7 @@
  */
 public class BlendModeManager {
 
-    // Blend mode constants matching SinkerService.blend_type
+    // Blend mode constants matching AThingLeftBehindService.blend_type
     public static final int BLEND_ADDITIVE = 0;
     public static final int BLEND_MULTIPLICATIVE = 1;
     public static final int BLEND_ALPHA = 2;

diff --git a/app/src/main/java/net/t106/sinkerglwallpaper/config/RenderConfig.java b/app/src/main/java/net/t106/sinkerglwallpaper/config/RenderConfig.java
@@ -165,12 +165,12 @@ public CompleteConfig(RotationConfig rotation, ColorConfig color,
         }
 
         // Predefined complete configurations
-        public static final CompleteConfig CENTER_GRAVEYARD = new CompleteConfig(
+        public static final CompleteConfig CENTER_GARLAND = new CompleteConfig(
             RotationConfig.CENTER, ColorConfig.WHITE, TextureConfig.TEXTURE_0,
             GeometryConfig.STANDARD_QUAD, BlendModeManager.BLEND_ADDITIVE
         );
 
-        public static final CompleteConfig BACKGROUND_GRAVEYARD = new CompleteConfig(
+        public static final CompleteConfig BACKGROUND_GARLAND = new CompleteConfig(
             RotationConfig.BACKGROUND, ColorConfig.REDDISH_BROWN, TextureConfig.TEXTURE_1,
             GeometryConfig.LARGE_QUAD, BlendModeManager.BLEND_ADDITIVE
         );

diff --git a/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/BaseFilter.java b/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/BaseFilter.java
@@ -6,14 +6,14 @@
 import net.t106.sinkerglwallpaper.opengl.utils.ShaderUtils;
 import net.t106.sinkerglwallpaper.opengl.utils.BufferUtils;
 import net.t106.sinkerglwallpaper.opengl.shaders.ShaderLoader;
-import net.t106.sinkerglwallpaper.rendering.services.SinkerService;
-import net.t106.sinkerglwallpaper.rendering.objects.Graveyard;
+import net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService;
+import net.t106.sinkerglwallpaper.rendering.objects.Garland;
 
 /**
  * Base class for all filter objects
  * Eliminates code duplication between LeftFilter and RightFilter
  */
-public abstract class BaseFilter extends Graveyard {
+public abstract class BaseFilter extends Garland {
 
     protected RenderConfig.ColorConfig colorConfig;
     protected RenderConfig.GeometryConfig geometryConfig;
@@ -47,14 +47,14 @@ private void setupGeometry() {
         coords = geometryConfig.texCoords;
 
         // Keep legacy buffer creation for compatibility
-        ab = SinkerService.makeFloatBuffer(apex);
-        cb = SinkerService.makeFloatBuffer(coords);
+        ab = AThingLeftBehindService.makeFloatBuffer(apex);
+        cb = AThingLeftBehindService.makeFloatBuffer(coords);
     }
 
     @Override
     protected void createShaderProgram() {
         // Use basic shader program for filters (no texture needed typically)
-        shaderProgram = ShaderLoader.Programs.createBasicProgram(SinkerService.getContext());
+        shaderProgram = ShaderLoader.Programs.createBasicProgram(AThingLeftBehindService.getContext());
     }
 
     @Override
@@ -111,7 +111,7 @@ public void sizechange(boolean smollflg) {
         apex = geometryConfig.vertices;
 
         // Update buffer
-        ab = SinkerService.makeFloatBuffer(apex);
+        ab = AThingLeftBehindService.makeFloatBuffer(apex);
 
         // Recreate VAO with new vertex data
         if (vao != 0) {

diff --git a/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/ConfigurableFilter.java b/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/ConfigurableFilter.java
@@ -2,7 +2,7 @@
 
 import net.t106.sinkerglwallpaper.config.RenderConfig;
 import net.t106.sinkerglwallpaper.config.BlendModeManager;
-import net.t106.sinkerglwallpaper.rendering.services.SinkerService;
+import net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService;
 
 /**
  * Configurable filter class - replaces LeftFilter.java
@@ -38,10 +38,10 @@ public void Draw(float[] viewMatrix, float[] projectionMatrix) {
      */
     private void updateFromUserSettings() {
         // Update color from user settings
-        colorConfig = RenderConfig.ColorConfig.fromUserSettings(SinkerService.col);
+        colorConfig = RenderConfig.ColorConfig.fromUserSettings(AThingLeftBehindService.col);
 
         // Update blend mode from user settings
-        blendMode = SinkerService.blend_type;
+        blendMode = AThingLeftBehindService.blend_type;
     }
 
     @Override

diff --git a/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/LeftFilter.java b/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/LeftFilter.java
@@ -3,14 +3,14 @@
 import net.t106.sinkerglwallpaper.opengl.utils.ShaderUtils;
 import net.t106.sinkerglwallpaper.opengl.utils.BufferUtils;
 import net.t106.sinkerglwallpaper.opengl.shaders.ShaderLoader;
-import net.t106.sinkerglwallpaper.rendering.services.SinkerService;
-import net.t106.sinkerglwallpaper.rendering.objects.Graveyard;
+import net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService;
+import net.t106.sinkerglwallpaper.rendering.objects.Garland;
 
 /**
  * Left filter for OpenGL ES 3.2
  * Renders a customizable colored overlay with user-selectable blend modes
  */
-public class LeftFilter extends Graveyard {
+public class LeftFilter extends Garland {
 
 	private boolean isSmallSize = false;
 
@@ -23,14 +23,14 @@ public LeftFilter()
 		coords = new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f };
 
 		// Keep legacy buffer creation for compatibility
-		ab = SinkerService.makeFloatBuffer(apex);
-		cb = SinkerService.makeFloatBuffer(coords);
+		ab = AThingLeftBehindService.makeFloatBuffer(apex);
+		cb = AThingLeftBehindService.makeFloatBuffer(coords);
 	}
 
 	@Override
 	protected void createShaderProgram() {
 		// Use color shader program for color-only rendering
-		shaderProgram = ShaderLoader.Programs.createColorProgram(SinkerService.getContext());
+		shaderProgram = ShaderLoader.Programs.createColorProgram(AThingLeftBehindService.getContext());
 	}
 
 	@Override
@@ -71,7 +71,7 @@ public void sizechange(boolean smollflg)
 		}
 
 		// Update buffer
-		ab = SinkerService.makeFloatBuffer(apex);
+		ab = AThingLeftBehindService.makeFloatBuffer(apex);
 
 		// Recreate VAO with new vertex data
 		if (vao != 0) {

diff --git a/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/RightFilter.java b/app/src/main/java/net/t106/sinkerglwallpaper/rendering/filters/RightFilter.java
@@ -3,14 +3,14 @@
 import net.t106.sinkerglwallpaper.opengl.utils.ShaderUtils;
 import net.t106.sinkerglwallpaper.opengl.utils.BufferUtils;
 import net.t106.sinkerglwallpaper.opengl.shaders.ShaderLoader;
-import net.t106.sinkerglwallpaper.rendering.services.SinkerService;
-import net.t106.sinkerglwallpaper.rendering.objects.Graveyard;
+import net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService;
+import net.t106.sinkerglwallpaper.rendering.objects.Garland;
 
 /**
  * Right side filter for OpenGL ES 3.2
  * Renders a vertical colored strip on the right side with invert blend mode
  */
-public class RightFilter extends Graveyard {
+public class RightFilter extends Garland {
 
 	private boolean isSmallSize = false;
 
@@ -29,14 +29,14 @@ public RightFilter()
 		coords = new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f };
 
 		// Keep legacy buffer creation for compatibility
-		ab = SinkerService.makeFloatBuffer(apex);
-		cb = SinkerService.makeFloatBuffer(coords);
+		ab = AThingLeftBehindService.makeFloatBuffer(apex);
+		cb = AThingLeftBehindService.makeFloatBuffer(coords);
 	}
 
 	@Override
 	protected void createShaderProgram() {
 		// Use color shader program for color-only rendering
-		shaderProgram = ShaderLoader.Programs.createColorProgram(SinkerService.getContext());
+		shaderProgram = ShaderLoader.Programs.createColorProgram(AThingLeftBehindService.getContext());
 	}
 
 	@Override
@@ -83,7 +83,7 @@ public void sizechange(boolean smollflg)
 		}
 
 		// Update buffer
-		ab = SinkerService.makeFloatBuffer(apex);
+		ab = AThingLeftBehindService.makeFloatBuffer(apex);
 
 		// Recreate VAO with new vertex data
 		if (vao != 0) {

diff --git a/...endering/objects/BackgroundGraveyard.java → .../rendering/objects/BackgroundGarland.java b/...endering/objects/BackgroundGraveyard.java → .../rendering/objects/BackgroundGarland.java
@@ -6,34 +6,34 @@
 import net.t106.sinkerglwallpaper.opengl.utils.BufferUtils;
 import net.t106.sinkerglwallpaper.opengl.utils.TextureUtils;
 import net.t106.sinkerglwallpaper.opengl.shaders.ShaderLoader;
-import net.t106.sinkerglwallpaper.rendering.services.SinkerService;
+import net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService;
 
 /**
- * Background rotating graveyard object for OpenGL ES 3.2
- * Larger than CenterGraveyard and rotates in opposite direction with color tint
+ * Background rotating garland object for OpenGL ES 3.2
+ * Larger than CenterGarland and rotates in opposite direction with color tint
  */
-public class BackgroundGraveyard extends Graveyard {
+public class BackgroundGarland extends Garland {
 
 	private float rotation = 0.0f;
 	private static final float ROTATION_SPEED = 0.125f;  // Positive rotation (opposite to center)
 	private static final int MAX_COUNT = 2880;
 
-	public BackgroundGraveyard()
+	public BackgroundGarland()
 	{
 		super();
-		// Larger quad vertices (1.5x scale compared to CenterGraveyard)
+		// Larger quad vertices (1.5x scale compared to CenterGarland)
 		apex = new float[] { -1.5f, -1.5f, 1.5f, -1.5f, -1.5f, 1.5f, 1.5f, 1.5f, };
 		coords = new float[] {0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, };
 
 		// Keep legacy buffer creation for compatibility
-		ab = SinkerService.makeFloatBuffer(apex);
-		cb = SinkerService.makeFloatBuffer(coords);
+		ab = AThingLeftBehindService.makeFloatBuffer(apex);
+		cb = AThingLeftBehindService.makeFloatBuffer(coords);
 	}
 
 	@Override
 	protected void createShaderProgram() {
 		// Use blend shader program for additive blending with color tint
-		shaderProgram = ShaderLoader.Programs.createBlendProgram(SinkerService.getContext());
+		shaderProgram = ShaderLoader.Programs.createBlendProgram(AThingLeftBehindService.getContext());
 	}
 
 	@Override
@@ -45,7 +45,7 @@ public void Draw(float[] viewMatrix, float[] projectionMatrix) {
 		bindShader();
 
 		// Set texture (using flipped texture)
-		TextureUtils.bindTexture(0, SinkerService.textures[1]);
+		TextureUtils.bindTexture(0, AThingLeftBehindService.textures[1]);
 
 		// Set blend mode to additive (0)
 		ShaderUtils.setUniform1i(blendModeLocation, 0);

diff --git a/...er/rendering/objects/CenterGraveyard.java → ...aper/rendering/objects/CenterGarland.java b/...er/rendering/objects/CenterGraveyard.java → ...aper/rendering/objects/CenterGarland.java
@@ -6,51 +6,51 @@
 import net.t106.sinkerglwallpaper.opengl.utils.BufferUtils;
 import net.t106.sinkerglwallpaper.opengl.utils.TextureUtils;
 import net.t106.sinkerglwallpaper.opengl.shaders.ShaderLoader;
-import net.t106.sinkerglwallpaper.rendering.services.SinkerService;
+import net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService;
 
 /**
- * Center rotating graveyard object for OpenGL ES 3.2
+ * Center rotating garland object for OpenGL ES 3.2
  * Migrated from OpenGL ES 1.0 fixed pipeline
  */
-public class CenterGraveyard extends Graveyard {
+public class CenterGarland extends Garland {
 
 	private float rotation = 0.0f;
 	private static final float ROTATION_SPEED = -0.125f;
 	private static final int MAX_COUNT = 2881;
 
-	public CenterGraveyard()
+	public CenterGarland()
 	{
 		super();
 		// Define quad vertices (same as original)
 		apex = new float[] { -1f, -1f, 1f, -1f, -1f, 1f, 1f, 1f, };
 		coords = new float[] {0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, };
 
 		// Keep legacy buffer creation for compatibility
-		ab = SinkerService.makeFloatBuffer(apex);
-		cb = SinkerService.makeFloatBuffer(coords);
+		ab = AThingLeftBehindService.makeFloatBuffer(apex);
+		cb = AThingLeftBehindService.makeFloatBuffer(coords);
 	}
 
 	@Override
 	protected void createShaderProgram() {
 		// Use blend shader program for additive blending
-		shaderProgram = ShaderLoader.Programs.createBlendProgram(SinkerService.getContext());
+		shaderProgram = ShaderLoader.Programs.createBlendProgram(AThingLeftBehindService.getContext());
 	}
 
 	@Override
 	public void Draw(float[] viewMatrix, float[] projectionMatrix) {
-		// android.util.Log.d("CenterGraveyard", "Draw() called");
+		// android.util.Log.d("CenterGarland", "Draw() called");
 
 		// Debug: Check if shader and texture are valid
 		if (shaderProgram == 0) {
-			android.util.Log.e("CenterGraveyard", "Shader program is 0!");
+			android.util.Log.e("CenterGarland", "Shader program is 0!");
 			return;
 		}
-		if (SinkerService.textures[0] == 0) {
-			android.util.Log.e("CenterGraveyard", "Texture is 0!");
+		if (AThingLeftBehindService.textures[0] == 0) {
+			android.util.Log.e("CenterGarland", "Texture is 0!");
 			return;
 		}
 		if (vao == 0) {
-			android.util.Log.e("CenterGraveyard", "VAO is 0!");
+			android.util.Log.e("CenterGarland", "VAO is 0!");
 			return;
 		}
 
@@ -61,7 +61,7 @@ public void Draw(float[] viewMatrix, float[] projectionMatrix) {
 		bindShader();
 
 		// Set texture
-		TextureUtils.bindTexture(0, SinkerService.textures[0]);
+		TextureUtils.bindTexture(0, AThingLeftBehindService.textures[0]);
 
 		// Set blend mode to additive (0) for beautiful color effects
 		ShaderUtils.setUniform1i(blendModeLocation, 0);

diff --git a/...allpaper/rendering/objects/Graveyard.java → ...lwallpaper/rendering/objects/Garland.java b/...allpaper/rendering/objects/Graveyard.java → ...lwallpaper/rendering/objects/Garland.java
@@ -6,13 +6,13 @@
 import net.t106.sinkerglwallpaper.opengl.utils.ShaderUtils;
 import net.t106.sinkerglwallpaper.opengl.utils.BufferUtils;
 import net.t106.sinkerglwallpaper.opengl.shaders.ShaderLoader;
-import net.t106.sinkerglwallpaper.rendering.services.SinkerService;
+import net.t106.sinkerglwallpaper.rendering.services.AThingLeftBehindService;
 
 /**
  * Abstract base class for OpenGL ES 3.2 rendering objects
  * Migrated from OpenGL ES 1.0 fixed pipeline to modern programmable pipeline
  */
-public abstract class Graveyard {
+public abstract class Garland {
 	protected float apex[], coords[];
 	protected FloatBuffer ab, cb;
 	protected int cnt;
@@ -33,7 +33,7 @@ public abstract class Graveyard {
 	protected float[] modelMatrix;
 	protected float[] mvpMatrix;
 
-	public Graveyard() {
+	public Garland() {
 		modelMatrix = MatrixUtils.identity();
 		mvpMatrix = new float[16];
 	}
@@ -43,14 +43,14 @@ public Graveyard() {
 	 * Must be called after OpenGL context is created
 	 */
 	public void initGL() {
-		android.util.Log.d("Graveyard", getClass().getSimpleName() + " initGL() started");
+		android.util.Log.d("Garland", getClass().getSimpleName() + " initGL() started");
 
 		// Create shader program
 		createShaderProgram();
-		android.util.Log.d("Graveyard", getClass().getSimpleName() + " shader program: " + shaderProgram);
+		android.util.Log.d("Garland", getClass().getSimpleName() + " shader program: " + shaderProgram);
 
 		if (shaderProgram == 0) {
-			android.util.Log.e("Graveyard", getClass().getSimpleName() + " failed to create shader program!");
+			android.util.Log.e("Garland", getClass().getSimpleName() + " failed to create shader program!");
 			return;
 		}
 
@@ -60,14 +60,14 @@ public void initGL() {
 		colorLocation = ShaderUtils.getUniformLocation(shaderProgram, "u_color");
 		blendModeLocation = ShaderUtils.getUniformLocation(shaderProgram, "u_blendMode");
 
-		android.util.Log.d("Graveyard", getClass().getSimpleName() + " uniform locations: mvp=" + mvpMatrixLocation + 
+		android.util.Log.d("Garland", getClass().getSimpleName() + " uniform locations: mvp=" + mvpMatrixLocation + 
 			", texture=" + textureLocation + ", color=" + colorLocation + ", blend=" + blendModeLocation);
 
 		// Create VAO and VBOs
 		createBuffers();
-		android.util.Log.d("Graveyard", getClass().getSimpleName() + " VAO: " + vao);
+		android.util.Log.d("Garland", getClass().getSimpleName() + " VAO: " + vao);
 
-		android.util.Log.d("Graveyard", getClass().getSimpleName() + " initGL() completed");
+		android.util.Log.d("Garland", getClass().getSimpleName() + " initGL() completed");
 	}
 
 	/**
@@ -76,7 +76,7 @@ public void initGL() {
 	protected void createShaderProgram() {
 		// Default implementation uses basic shader program
 		// Subclasses can override to use different shaders
-		shaderProgram = ShaderLoader.Programs.createBasicProgram(SinkerService.getContext());
+		shaderProgram = ShaderLoader.Programs.createBasicProgram(AThingLeftBehindService.getContext());
 	}
 
 	/**