diff --git a/assets/README.md b/assets/README.md
index a6efc6e..f7b10c8 100644
--- a/assets/README.md
+++ b/assets/README.md
@@ -1,4 +1,4 @@
 # Assets
 
-* [Atlas](atlas.png): By [Kapendev](https://kapendev.itch.io), CC0
-* [Monogram](monogram.png): By [DATAGOBLIN](https://datagoblin.itch.io/monogram), CC0
+* [Atlas](parin_atlas.png): By [Kapendev](https://kapendev.itch.io), CC0
+* [Monogram](parin_monogram.png): By [DATAGOBLIN](https://datagoblin.itch.io/monogram), CC0
diff --git a/assets/atlas.png b/assets/parin_atlas.png
similarity index 100%
rename from assets/atlas.png
rename to assets/parin_atlas.png
diff --git a/assets/monogram.png b/assets/parin_monogram.png
similarity index 100%
rename from assets/monogram.png
rename to assets/parin_monogram.png
diff --git a/examples/intro/map.d b/examples/intro/map.d
index aa2f9b0..1858f64 100644
--- a/examples/intro/map.d
+++ b/examples/intro/map.d
@@ -10,7 +10,7 @@ auto tileFlip = Flip.none;
 
 void ready() {
     lockResolution(320, 180);
-    atlas = loadTexture("atlas.png");
+    atlas = loadTexture("parin_atlas.png");
     // Parse a CSV string representing a tile map, where each tile is 16x16 pixels in size.
     map.parse("-1,-1,-1\n21,22,23\n37,38,39\n53,54,55", 16, 16);
 }
diff --git a/examples/intro/patch.d b/examples/intro/patch.d
index 8d8e9e7..89199d8 100644
--- a/examples/intro/patch.d
+++ b/examples/intro/patch.d
@@ -7,7 +7,7 @@ auto patchAtlasArea = Rect(5 * 16, 1 * 16, Vec2(16 * 3));
 
 void ready() {
     lockResolution(320, 180);
-    atlas = loadTexture("atlas.png");
+    atlas = loadTexture("parin_atlas.png");
 }
 
 bool update(float dt) {
diff --git a/examples/intro/sprite.d b/examples/intro/sprite.d
index 4bc6328..0fcfa17 100644
--- a/examples/intro/sprite.d
+++ b/examples/intro/sprite.d
@@ -11,7 +11,7 @@ auto walkAnimation = SpriteAnimation(0, 2, 6);
 
 void ready() {
     lockResolution(320, 180);
-    atlas = loadTexture("atlas.png");
+    atlas = loadTexture("parin_atlas.png");
 }
 
 bool update(float dt) {
diff --git a/examples/ui/custom.d b/examples/ui/custom.d
index fa74848..2518cb7 100644
--- a/examples/ui/custom.d
+++ b/examples/ui/custom.d
@@ -21,7 +21,7 @@ bool myButton(Rect area, IStr text) {
 
 void ready() {
     lockResolution(320, 180);
-    atlas = loadTexture("atlas.png");
+    atlas = loadTexture("parin_atlas.png");
 }
 
 bool update(float dt) {
diff --git a/source/parin/engine.d b/source/parin/engine.d
index cf2085d..6d551d2 100644
--- a/source/parin/engine.d
+++ b/source/parin/engine.d
@@ -301,6 +301,16 @@ struct TextureId {
         return getOr().size;
     }
 
+    /// Sets the filter mode of the texture associated with the resource identifier.
+    void setFilter(Filter value) {
+        getOr().setFilter(value);
+    }
+
+    /// Sets the wrap mode of the texture associated with the resource identifier.
+    void setWrap(Wrap value) {
+        getOr().setWrap(value);
+    }
+
     /// Checks if the resource identifier is valid. It becomes automatically invalid when the resource is freed.
     bool isValid() {
         return data && engineState.textures.has(data);
@@ -392,6 +402,16 @@ struct FontId {
         return getOr().size;
     }
 
+    /// Sets the filter mode of the font associated with the resource identifier.
+    void setFilter(Filter value) {
+        getOr().setFilter(value);
+    }
+
+    /// Sets the wrap mode of the font associated with the resource identifier.
+    void setWrap(Wrap value) {
+        getOr().setWrap(value);
+    }
+
     /// Checks if the resource identifier is valid. It becomes automatically invalid when the resource is freed.
     bool isValid() {
         return data && engineState.fonts.has(data);
@@ -519,6 +539,11 @@ struct SoundId {
 
     @safe @nogc nothrow:
 
+    /// Returns true if the sound associated with the resource identifier is playing.
+    bool isPlaying() {
+        return getOr().isPlaying;
+    }
+
     /// Returns the current playback time of the sound associated with the resource identifier.
     float time() {
         return getOr().time;
@@ -533,6 +558,21 @@ struct SoundId {
         return getOr().progress;
     }
 
+    /// Sets the volume level for the sound associated with the resource identifier.
+    void setVolume(float value) {
+        getOr().setVolume(value);
+    }
+
+    /// Sets the pitch for the sound associated with the resource identifier.
+    void setPitch(float value) {
+        getOr().setPitch(value);
+    }
+
+    /// Sets the stereo panning for the sound associated with the resource identifier.
+    void setPan(float value) {
+        getOr().setPan(value);
+    }
+
     /// Checks if the resource identifier is valid. It becomes automatically invalid when the resource is freed.
     bool isValid() {
         return data && engineState.sounds.has(data);
@@ -1299,7 +1339,7 @@ void openWindow(int width, int height, const(IStr)[] args, IStr title = "Parin")
     engineState.saveTextBuffer.reserve(8192);
     if (args.length) engineState.assetsPath.append(pathConcat(args[0].pathDir, "assets"));
     // Load debug font.
-    auto monogramData = cast(const(ubyte)[]) import("monogram.png");
+    auto monogramData = cast(const(ubyte)[]) import("parin_monogram.png");
     auto monogramImage = rl.LoadImageFromMemory(".png", monogramData.ptr, cast(int) monogramData.length);
     auto monogramTexture = rl.LoadTextureFromImage(monogramImage);
     engineState.debugFont = monogramTexture.toParin().toFont(6, 12);
diff --git a/source/parin/map.d b/source/parin/map.d
index 137e937..474523d 100644
--- a/source/parin/map.d
+++ b/source/parin/map.d
@@ -284,23 +284,6 @@ struct TileMap {
     }
 }
 
-Result!TileMap toTileMap(IStr csv, int tileWidth, int tileHeight) {
-    auto value = TileMap();
-    auto fault = value.parse(csv, tileWidth, tileHeight);
-    if (fault) {
-        value.free();
-    }
-    return Result!TileMap(value, fault);
-}
-
-Result!TileMap loadRawTileMap(IStr path, int tileWidth, int tileHeight) {
-    auto temp = loadTempText(path);
-    if (temp.isNone) {
-        return Result!TileMap(temp.fault);
-    }
-    return toTileMap(temp.get(), tileWidth, tileHeight);
-}
-
 Fault saveTileMap(IStr path, TileMap map) {
     auto csv = prepareTempText();
     foreach (row; 0 .. map.rowCount) {