Switched env to python

tools/CMakeLists.txt

@@ -16,18 +16,12 @@ function(add_asset ASSET_TYPE ASSET_PATH)
 endfunction()
 
 function(add_defs INPUT_PATH OUTPUT_NAME_RELATIVE)
-  set(INPUT_FULL_PATH "${CMAKE_CURRENT_LIST_DIR}/${INPUT_PATH}")
-  set(OUTPUT_FULL_PATH "${DUSK_GENERATED_HEADERS_DIR}/${OUTPUT_NAME_RELATIVE}")
-
-  add_custom_command(
-    OUTPUT ${OUTPUT_FULL_PATH}
-    COMMAND ${CMAKE_COMMAND}
-      -DENV_FILE=${INPUT_FULL_PATH}
-      -DOUT_HEADER=${OUTPUT_FULL_PATH}
-      -P ${CMAKE_SOURCE_DIR}/cmake/modules/envtoh.cmake
-    DEPENDS ${INPUT_FULL_PATH} ${CMAKE_SOURCE_DIR}/cmake/modules/envtoh.cmake
-    COMMENT "Generating ${OUTPUT_NAME_RELATIVE}"
+  set(DUSK_DEFS_TARGET_NAME "DUSK_DEFS_${OUTPUT_NAME_RELATIVE}")
+  dusk_run_python(
+    ${DUSK_DEFS_TARGET_NAME}
+    tools.envtoh
+      --env ${INPUT_PATH}
+      --output ${DUSK_BUILT_ASSETS_DIR}/${OUTPUT_NAME_RELATIVE}
   )
-  add_custom_target(${OUTPUT_NAME_RELATIVE}_header DEPENDS ${OUTPUT_FULL_PATH})
-  add_dependencies(${DUSK_LIBRARY_TARGET_NAME} ${OUTPUT_NAME_RELATIVE}_header)
+  add_dependencies(${DUSK_LIBRARY_TARGET_NAME} ${DUSK_DEFS_TARGET_NAME})
 endfunction()

tools/envtoh/__main__.py

@@ -0,0 +1,46 @@
+import argparse
+import os
+from dotenv import load_dotenv, dotenv_values
+
+parser = argparse.ArgumentParser(description="Convert .env to .h defines")
+parser.add_argument("--env", required=True, help="Path to .env file")
+parser.add_argument("--output", required=True, help="Path to output .h file")
+args = parser.parse_args()
+
+# Load .env file
+load_dotenv(dotenv_path=args.env)
+fileDefs = dotenv_values(dotenv_path=args.env)
+
+
+outHeader = ""
+outHeader += "#include \"dusk.h\"\n\n"
+for key, value in fileDefs.items():
+  # Determine type and print out appropriate C type define.
+
+  # Float
+  try:
+    asFloat = float(value)
+    outHeader += f"#define {key} {asFloat}f\n"
+    continue
+  except:
+    pass
+
+  # Integer
+  try:
+    asInt = int(value)
+    outHeader += f"#define {key} {asInt}\n"
+  except:
+    pass
+
+  # Boolean
+  if value.lower() in ['true', 'false']:
+    asBool = '1' if value.lower() == 'true' else '0'
+    outHeader += f"#define {key} {asBool}\n"
+    continue
+
+  # String
+  outHeader += f'#define {key} "{value}"\n'
+
+# Write to output file
+with open(args.output, 'w') as outFile:
+  outFile.write(outHeader)