Set up clangd for intellisense. Whoof, that was difficult.

build-everything.py

@@ -58,6 +58,7 @@ else:
 
 CONFIG["INTEGRATION"] = os.path.dirname(os.path.abspath(sys.argv[0]))
 CONFIG["UNREALENGINE"] = os.path.join(os.path.dirname(CONFIG["INTEGRATION"]), "UnrealEngine")
+CONFIG["UE_BUILD_BAT"] = CONFIG["UNREALENGINE"] + "/Engine/Build/BatchFiles/" + CONFIG["BUILD_BAT"] + " -waitmutex"
 
 globals().update(CONFIG)
 
@@ -72,9 +73,7 @@ if not os.path.isdir(f"{UNREALENGINE}/Engine/Source/Editor"):
 
 #
 # This is the code for a simple json preprocessor that can
-# expand "for-each" loops and substitute variables.  Because
-# a single string is valid json, you can also use this to
-# substitute variables in a string or a text file.
+# expand "for-each" loops and substitute variables.
 #
 
 JSON_VAR_REGEX = re.compile(r'\[([A-Z0-9_]+)\]')
@@ -105,6 +104,11 @@ def expand_json_file(sourcefile, outputfile):
     expanded = expand_json(data, CONFIG)
     Path(outputfile).write_text(json.dumps(expanded, indent=4))
 
+#
+# Because a single string is valid json, we can also use the json
+# expander to substitute variables in plain old text files.
+#
+
 def expand_text_file(sourcefile, outputfile):
     Path(outputfile).unlink(missing_ok=True)
     data = Path(sourcefile).read_text()
@@ -207,13 +211,14 @@ expand_json_file(f"{INTEGRATION}/Integration.code-workspace.tpl.json",
 expand_text_file(f"{INTEGRATION}/Makefile.tpl.txt",
                  f"{INTEGRATION}/Makefile")
 
-
 #
 # Build ShaderCompileWorker
 #
 
 print("Building ShaderCompileWorker...")
-shell(UNREALENGINE, f"{UNREALENGINE}/Engine/Build/BatchFiles/{BUILD_BAT} ShaderCompileWorker {OS} Shipping -waitmutex")
+
+shell(UNREALENGINE, f"{UNREALENGINE}/Engine/Build/BatchFiles/{BUILD_BAT} -waitmutex ShaderCompileWorker {OS} Shipping")
+
 Path(f"Engine/Binaries/{OS}/ShaderCompileWorker{DOT_EXE}").unlink(missing_ok=True)
 shutil.copyfile(f"{UNREALENGINE}/Engine/Binaries/{OS}/ShaderCompileWorker-{OS}-Shipping{DOT_EXE}", f"{UNREALENGINE}/Engine/Binaries/{OS}/ShaderCompileWorker{DOT_EXE}")
 
@@ -221,5 +226,5 @@ shutil.copyfile(f"{UNREALENGINE}/Engine/Binaries/{OS}/ShaderCompileWorker-{OS}-S
 # Run Make
 #
 
-shell(INTEGRATION, 'make')
+shell(INTEGRATION, 'make intellisense')