feat: add version checks

craftablescience · Dec 4, 2023 · 8107af2 · 8107af2
1 parent a7e1dff
commit 8107af2
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Showing 3 changed files with 13 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -1,2 +1,7 @@
 # studiomodelpp
-A modern C++ library for sanely parsing Valve's studiomodel formats
+A modern C++ library for sanely parsing Valve's studiomodel formats.
+
+Currently supports:
+- MDL v44-v49
+- VTX v7
+- VVD v4
diff --git a/src/structs/VTX.cpp b/src/structs/VTX.cpp
@@ -9,6 +9,10 @@ bool VTX::open(const std::byte* data, std::size_t size, const MDL::MDL& mdl) {
 	BufferStream stream{data, size};
 
 	stream.read(this->version);
+	if (this->version != 7) {
+		return false;
+	}
+
 	stream.read(this->vertexCacheSize);
 	stream.read(this->maxBonesPerStrip);
 	stream.read(this->maxBonesPerTriangle);

diff --git a/src/structs/VVD.cpp b/src/structs/VVD.cpp
@@ -16,6 +16,9 @@ bool VVD::open(const std::byte* data, std::size_t size, const MDL::MDL& mdl) {
 	}
 
 	stream.read(this->version);
+	if (this->version != 4) {
+		return false;
+	}
 
 	int checksum = stream.read<int>();
 	if (checksum != mdl.checksum) {