Read bytes more efficiently

tonihele · Oct 29, 2023 · 4fe0b4b · 4fe0b4b
1 parent 300d2a7
commit 4fe0b4b
Showing 1 changed file with 13 additions and 4 deletions.
diff --git a/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfUtils.java b/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfUtils.java
@@ -425,12 +425,21 @@ private static void populateByteArray(byte[] array, LittleEndien stream, int cou
         int stride = Math.max(dataLength, byteStride);
         int end = count * stride + byteOffset;
         stream.skipBytes(byteOffset);
+
+        if (dataLength == stride) {
+            byte[] buffer = new byte[end - index];
+            stream.read(buffer, 0, buffer.length);
+            System.arraycopy(buffer, 0, array, 0, buffer.length);
+
+            return;
+        }
+
         int arrayIndex = 0;
+        byte[] buffer = new byte[numComponents];
         while (index < end) {
-            for (int i = 0; i < numComponents; i++) {
-                array[arrayIndex] = stream.readByte();
-                arrayIndex++;
-            }
+            stream.read(buffer, 0, numComponents);
+            System.arraycopy(buffer, 0, array, arrayIndex, numComponents);
+            arrayIndex += numComponents;
             if (dataLength < stride) {
                 stream.skipBytes(stride - dataLength);
             }