add assimp submodule

1 files changed, 52 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/Assjson/mesh_splitter.h b/src/mesh/assimp-master/code/AssetLib/Assjson/mesh_splitter.h
new file mode 100644
index 0000000..f7f9a93
--- /dev/null
+++ b/src/mesh/assimp-master/code/AssetLib/Assjson/mesh_splitter.h
@@ -0,0 +1,52 @@
+/*
+Assimp2Json
+Copyright (c) 2011, Alexander C. Gessler
+
+Licensed under a 3-clause BSD license. See the LICENSE file for more information.
+
+*/
+
+#ifndef INCLUDED_MESH_SPLITTER
+#define INCLUDED_MESH_SPLITTER
+
+// ----------------------------------------------------------------------------
+// Note: this is largely based on assimp's SplitLargeMeshes_Vertex process.
+// it is refactored and the coding style is slightly improved, though.
+// ----------------------------------------------------------------------------
+
+#include <vector>
+
+struct aiScene;
+struct aiMesh;
+struct aiNode;
+
+// ---------------------------------------------------------------------------
+/** Splits meshes of unique vertices into meshes with no more vertices than
+ *  a given, configurable threshold value.
+ */
+class MeshSplitter {
+public:
+    unsigned int LIMIT;
+
+    void SetLimit(unsigned int l) {
+        LIMIT = l;
+    }
+
+    unsigned int GetLimit() const {
+        return LIMIT;
+    }
+
+    // -------------------------------------------------------------------
+    /** Executes the post processing step on the given imported data.
+	 * At the moment a process is not supposed to fail.
+	 * @param pScene The imported data to work at.
+	 */
+    void Execute(aiScene *pScene);
+
+private:
+    void UpdateNode(aiNode *pcNode, const std::vector<std::pair<aiMesh *, unsigned int>> &source_mesh_map);
+    void SplitMesh(unsigned int index, aiMesh *mesh, std::vector<std::pair<aiMesh *, unsigned int>> &source_mesh_map);
+
+};
+
+#endif // INCLUDED_MESH_SPLITTER