Refactor resource gen script

gen_resources.sh

@@ -1,39 +1,37 @@
 #!/usr/bin/env bash
 
-# I hate this.
-
 linker="x86_64-w64-mingw32-ld"
 
-# Output config (terrible)
-if [ "x$1" = "x--header" ]; then
+# Select output types
+for i in {0..1}
+do
+    case "$1" in
+        --header)
             gen_header=1
             shift
-fi
-
-if [ "x$1" = "x--object" ]; then 
+            ;;
+        --object)
             gen_object=1
             shift
-fi
+            ;;
+    esac 
+done
 
 # Read project directory
 proj_dir=`realpath "$1"`
 shift
 
-# Read output file destinations
+# Read output file destinations and make sure they don't exist
 if [ "x${gen_object}" = "x1" ]; then
     resources_o=`realpath "$1"`
     shift
+
+    rm -f "${resources_h}"
 fi
 if [ "x${gen_header}" = "x1" ]; then
     resources_h=`realpath "$1"`
     shift
-fi
 
-# Make sure that output files do not exist
-if [ "x${gen_header}" = "x1" ]; then
-    rm -f "${resources_h}"
-fi
-if [ "x${gen_object}" = "x1" ]; then
     rm -f "${resources_o}"
 fi