Initial Vectorail GC format library

include/gc/TumoModel.hpp

@@ -0,0 +1,29 @@
+#ifndef OPENROLLER_GC_TUMOMODEL_HPP
+#define OPENROLLER_GC_TUMOMODEL_HPP
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace gc {
+
+struct TumoVertex {
+    float x = 0.0f;
+    float y = 0.0f;
+    float z = 0.0f;
+};
+
+struct TumoGeometry {
+    std::vector<TumoVertex> triangles;
+    std::vector<TumoVertex> solidLines;
+    std::vector<TumoVertex> wireframeLines;
+};
+
+// Decodes the common one-mesh TUMO layout used by gameplay stage objects.
+// Polygon fans are expanded on the host so the PSP only has to submit flat
+// GU_TRIANGLES/GU_LINES arrays.
+bool LoadTumoGeometry(const std::string& path, TumoGeometry* out, std::string* error);
+
+} // namespace gc
+
+#endif