Initial release

engine/tools/xxd.cmake

@@ -0,0 +1,15 @@
+# CMake equivalent of `xxd -i ${INPUT} ${OUTPUT}`
+# Converts any binary file into a C array. Pure CMake, no external tools.
+# Works on Linux, macOS, and Windows (no xxd, no bash required).
+# Usage: cmake -DINPUT=path/to/file -DOUTPUT=path/to/file.hpp -P xxd.cmake
+
+file(READ "${INPUT}" hex_data HEX)
+string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1," hex_sequence "${hex_data}")
+
+string(LENGTH ${hex_data} hex_len)
+math(EXPR len "${hex_len} / 2")
+
+get_filename_component(filename "${INPUT}" NAME)
+string(REGEX REPLACE "\\.|-" "_" name "${filename}")
+
+file(WRITE "${OUTPUT}" "unsigned char ${name}[] = {${hex_sequence}};\nunsigned int ${name}_len = ${len};\n")