Load combined missile CLX in UNPACKED_MPQS mode

Companion PR:
https://github.com/diasurgical/devilutionx-mpq-tools/pull/8

Source/misdat.cpp

@@ -6,6 +6,7 @@
 #include "misdat.h"
 
 #include "engine/load_cl2.hpp"
+#include "engine/load_clx.hpp"
 #include "missiles.h"
 #include "mpq/mpq_common.hpp"
 #include "utils/file_name_generator.hpp"
@@ -286,6 +287,11 @@ void MissileFileData::LoadGFX()
 	if (name[0] == '\0')
 		return;
 
+#ifdef UNPACKED_MPQS
+	char path[MaxMpqPathSize];
+	*BufCopy(path, "missiles\\", name, ".clx") = '\0';
+	sprites.emplace(OwnedClxSpriteListOrSheet { LoadClxListOrSheet(path) });
+#else
 	if (animFAmt == 1) {
 		char path[MaxMpqPathSize];
 		*BufCopy(path, "missiles\\", name) = '\0';
@@ -294,6 +300,7 @@ void MissileFileData::LoadGFX()
 		FileNameGenerator pathGenerator({ "missiles\\", name }, DEVILUTIONX_CL2_EXT);
 		sprites.emplace(OwnedClxSpriteListOrSheet { LoadMultipleCl2Sheet<16>(pathGenerator, animFAmt, animWidth) });
 	}
+#endif
 }
 
 void InitMissileGFX(bool loadHellfireGraphics)