Change project structure;

Added new c# binding;

native/external/assimp/revision.h

@@ -0,0 +1,29 @@
+#ifndef ASSIMP_REVISION_H_INC
+#define ASSIMP_REVISION_H_INC
+
+#define GitVersion 0x4ee7b9d9
+#define GitBranch "heads/master"
+
+#define VER_MAJOR 5
+#define VER_MINOR 4
+#define VER_PATCH 3
+#define VER_BUILD 0
+
+#define STR_HELP(x) #x
+#define STR(x) STR_HELP(x)
+
+#define VER_FILEVERSION             VER_MAJOR,VER_MINOR,VER_PATCH,VER_BUILD
+#if (GitVersion == 0)
+#define VER_FILEVERSION_STR         STR(VER_MAJOR) "." STR(VER_MINOR) "." STR(VER_PATCH) "." STR(VER_BUILD)
+#else
+#define VER_FILEVERSION_STR         STR(VER_MAJOR) "." STR(VER_MINOR) "." STR(VER_PATCH) "." STR(VER_BUILD) " (Commit 4ee7b9d9)"
+#endif
+#define VER_COPYRIGHT_STR           "\xA9 2006-2023"
+
+#ifdef  NDEBUG
+#define VER_ORIGINAL_FILENAME_STR   "assimp-vc143-mt.dll"
+#else
+#define VER_ORIGINAL_FILENAME_STR   "assimp-vc143-mtd.dll"
+#endif //  NDEBUG
+
+#endif // ASSIMP_REVISION_H_INC