shaders-compile.sh supports file list arguments

Bin/dev/shaders-compile.sh

@@ -15,22 +15,59 @@ fi
 # Create the destination directory if it doesn't exist.
 mkdir -p "$DEST_DIR"
 
-# Loop through all files in the source directory ending with .frag
-for shader in "$SOURCE_DIR"*.frag; do
-    # Check if a file was found (to handle the case of no .frag files).
-    if [ -f "$shader" ]; then
-        # Get the base name of the file (e.g., wp_fade).
-        shader_name=$(basename "$shader" .frag)
+# Array to hold the list of full paths to the shaders.
+SHADERS_TO_COMPILE=()
 
-        # Construct the output path for the compiled shader.
-        output_path="$DEST_DIR$shader_name.frag.qsb"
+# Specific files mode.
+if [ "$#" -gt 0 ]; then
 
-        # Construct and run the qsb command.
-        qsb --qt6 -o "$output_path" "$shader"
+    # Loop through all command-line arguments ($@ holds all arguments).
+    for SINGLE_FILE in "$@"; do
 
-        # Print a message to confirm compilation.
-        echo "Compiled $shader to $output_path"
+        # Construct the full path to the source file.
+        FULL_PATH="$SOURCE_DIR$SINGLE_FILE"
+
+        # Check if the specified file exists in the SOURCE_DIR.
+        if [ ! -f "$FULL_PATH" ]; then
+            echo "Error: Specified file '$SINGLE_FILE' not found in $SOURCE_DIR! Skipping."
+            continue
+        fi
+
+        # Add the valid file to the compilation list.
+        SHADERS_TO_COMPILE+=("$FULL_PATH")
+    done
+
+    # Check if any valid files were found to compile.
+    if [ ${#SHADERS_TO_COMPILE[@]} -eq 0 ]; then
+        echo "No valid shaders found to compile."
+        exit 1
     fi
+
+# Whole directory mode (no argument provided).
+else
+    # Use find to generate the list of files and assign it to the array.
+    while IFS= read -r shader_path; do
+        if [ -n "$shader_path" ]; then
+            SHADERS_TO_COMPILE+=("$shader_path")
+        fi
+    done < <(find "$SOURCE_DIR" -maxdepth 1 -name "*.frag")
+
+fi
+
+# Loop through the list of shaders to compile.
+for shader in "${SHADERS_TO_COMPILE[@]}"; do
+
+    # Get the base name of the file (e.g., wp_fade).
+    shader_name=$(basename "$shader" .frag)
+
+    # Construct the output path for the compiled shader.
+    output_path="$DEST_DIR$shader_name.frag.qsb"
+
+    # Construct and run the qsb command.
+    qsb --qt6 -o "$output_path" "$shader"
+
+    # Print a message to confirm compilation.
+    echo "Compiled $(basename "$shader") to $output_path"
 done
 
-echo "Shader compilation complete."
+echo "Shader compilation complete."