allow using sdk without GEODE_MOD_ID macro, useful for static libs that link to geode

Author: dankmeme01

loader/include/Geode/loader/Mod.hpp

@@ -503,6 +503,8 @@ namespace geode {
     };
 }
 
+#ifdef GEODE_MOD_ID
+
 namespace geode::geode_internal {
     // this impl relies on the GEODE_MOD_ID macro set by cmake
     template <size_t N>
@@ -527,6 +529,14 @@ constexpr auto operator""_spr() {
     return Str.buffer;
 }
 
+#else
+
+GEODE_HIDDEN inline char const* operator"" _spr(char const* str, size_t len) {
+    return geode::Mod::get()->expandSpriteName({ str, len }).data();
+}
+
+#endif
+
 /**
  * Leaves a marker in the binary that can be used to patch
  * the game at a specific offset with a specific byte sequence.