move 3rd-party librarys into libs/ and add built-in honeysuckle

1 files changed, 166 insertions, 0 deletions

diff --git a/libs/assimp/code/PostProcessing/PretransformVertices.h b/libs/assimp/code/PostProcessing/PretransformVertices.h
new file mode 100644
index 0000000..14e5139
--- /dev/null
+++ b/libs/assimp/code/PostProcessing/PretransformVertices.h
@@ -0,0 +1,166 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file PretransformVertices.h
+ *  @brief Defines a post processing step to pretransform all
+ *    vertices in the scenegraph
+ */
+#ifndef AI_PRETRANSFORMVERTICES_H_INC
+#define AI_PRETRANSFORMVERTICES_H_INC
+
+#include "Common/BaseProcess.h"
+
+#include <assimp/mesh.h>
+
+#include <list>
+#include <vector>
+
+// Forward declarations
+struct aiNode;
+
+class PretransformVerticesTest;
+
+namespace Assimp {
+
+// ---------------------------------------------------------------------------
+/** The PretransformVertices pre-transforms all vertices in the node tree
+ *  and removes the whole graph. The output is a list of meshes, one for
+ *  each material.
+*/
+class ASSIMP_API PretransformVertices : public BaseProcess {
+public:
+	PretransformVertices();
+	~PretransformVertices();
+
+	// -------------------------------------------------------------------
+	// Check whether step is active
+	bool IsActive(unsigned int pFlags) const override;
+
+	// -------------------------------------------------------------------
+	// Execute step on a given scene
+	void Execute(aiScene *pScene) override;
+
+	// -------------------------------------------------------------------
+	// Setup import settings
+	void SetupProperties(const Importer *pImp) override;
+
+	// -------------------------------------------------------------------
+	/** @brief Toggle the 'keep hierarchy' option
+     *  @param keep    true for keep configuration.
+     */
+	void KeepHierarchy(bool keep) {
+		configKeepHierarchy = keep;
+	}
+
+	// -------------------------------------------------------------------
+	/** @brief Check whether 'keep hierarchy' is currently enabled.
+     *  @return ...
+     */
+	bool IsHierarchyKept() const {
+		return configKeepHierarchy;
+	}
+
+private:
+	// -------------------------------------------------------------------
+	// Count the number of nodes
+	unsigned int CountNodes(const aiNode *pcNode) const;
+
+	// -------------------------------------------------------------------
+	// Get a bitwise combination identifying the vertex format of a mesh
+	unsigned int GetMeshVFormat(aiMesh *pcMesh) const;
+
+	// -------------------------------------------------------------------
+	// Count the number of vertices in the whole scene and a given
+	// material index
+	void CountVerticesAndFaces(const aiScene *pcScene, const aiNode *pcNode,
+			unsigned int iMat,
+			unsigned int iVFormat,
+			unsigned int *piFaces,
+			unsigned int *piVertices) const;
+
+	// -------------------------------------------------------------------
+	// Collect vertex/face data
+	void CollectData(const aiScene *pcScene, const aiNode *pcNode,
+			unsigned int iMat,
+			unsigned int iVFormat,
+			aiMesh *pcMeshOut,
+			unsigned int aiCurrent[2],
+			unsigned int *num_refs) const;
+
+	// -------------------------------------------------------------------
+	// Get a list of all vertex formats that occur for a given material
+	// The output list contains duplicate elements
+	void GetVFormatList(const aiScene *pcScene, unsigned int iMat,
+			std::list<unsigned int> &aiOut) const;
+
+	// -------------------------------------------------------------------
+	// Compute the absolute transformation matrices of each node
+	void ComputeAbsoluteTransform(aiNode *pcNode);
+
+	// -------------------------------------------------------------------
+	// Simple routine to build meshes in worldspace, no further optimization
+	void BuildWCSMeshes(std::vector<aiMesh *> &out, aiMesh **in,
+			unsigned int numIn, aiNode *node) const;
+
+	// -------------------------------------------------------------------
+	// Apply the node transformation to a mesh
+	void ApplyTransform(aiMesh *mesh, const aiMatrix4x4 &mat) const;
+
+	// -------------------------------------------------------------------
+	// Reset transformation matrices to identity
+	void MakeIdentityTransform(aiNode *nd) const;
+
+	// -------------------------------------------------------------------
+	// Build reference counters for all meshes
+	void BuildMeshRefCountArray(const aiNode *nd, unsigned int *refs) const;
+
+	//! Configuration option: keep scene hierarchy as long as possible
+	bool configKeepHierarchy;
+	bool configNormalize;
+	bool configTransform;
+	aiMatrix4x4 configTransformation;
+	bool mConfigPointCloud;
+};
+
+} // end of namespace Assimp
+
+#endif // !!AI_GENFACENORMALPROCESS_H_INC