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authorsanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
committersanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
commit058f98a63658dc1a2579826ba167fd61bed1e21f (patch)
treebcba07a1615a14d943f3af3f815a42f3be86b2f3 /src/mesh/assimp-master/code/PostProcessing/DeboneProcess.h
parent2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff)
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/code/PostProcessing/DeboneProcess.h')
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+/*
+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.
+
+----------------------------------------------------------------------
+*/
+
+/** Defines a post processing step to limit the number of bones affecting a single vertex. */
+#ifndef AI_DEBONEPROCESS_H_INC
+#define AI_DEBONEPROCESS_H_INC
+
+#include "Common/BaseProcess.h"
+
+#include <assimp/mesh.h>
+#include <assimp/scene.h>
+
+#include <vector>
+#include <utility>
+
+#// Forward declarations
+class DeboneTest;
+
+namespace Assimp {
+
+#if (!defined AI_DEBONE_THRESHOLD)
+# define AI_DEBONE_THRESHOLD 1.0f
+#endif // !! AI_DEBONE_THRESHOLD
+
+// ---------------------------------------------------------------------------
+/** This post processing step removes bones nearly losslessly or according to
+* a configured threshold. In order to remove the bone, the primitives affected by
+* the bone are split from the mesh. The split off (new) mesh is boneless. At any
+* point in time, bones without affect upon a given mesh are to be removed.
+*/
+class DeboneProcess : public BaseProcess {
+public:
+ DeboneProcess();
+ ~DeboneProcess();
+
+ // -------------------------------------------------------------------
+ /** Returns whether the processing step is present in the given flag.
+ * @param pFlags The processing flags the importer was called with.
+ * A bitwise combination of #aiPostProcessSteps.
+ * @return true if the process is present in this flag fields,
+ * false if not.
+ */
+ bool IsActive( unsigned int pFlags) const;
+
+ // -------------------------------------------------------------------
+ /** Called prior to ExecuteOnScene().
+ * The function is a request to the process to update its configuration
+ * basing on the Importer's configuration property list.
+ */
+ void SetupProperties(const Importer* pImp);
+
+protected:
+ // -------------------------------------------------------------------
+ /** 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);
+
+ // -------------------------------------------------------------------
+ /** Counts bones total/removable in a given mesh.
+ * @param pMesh The mesh to process.
+ */
+ bool ConsiderMesh( const aiMesh* pMesh);
+
+ /// Splits the given mesh by bone count.
+ /// @param pMesh the Mesh to split. Is not changed at all, but might be superfluous in case it was split.
+ /// @param poNewMeshes Array of submeshes created in the process. Empty if splitting was not necessary.
+ void SplitMesh(const aiMesh* pMesh, std::vector< std::pair< aiMesh*,const aiBone* > >& poNewMeshes) const;
+
+ /// Recursively updates the node's mesh list to account for the changed mesh list
+ void UpdateNode(aiNode* pNode) const;
+
+ // -------------------------------------------------------------------
+ // Apply transformation to a mesh
+ void ApplyTransform(aiMesh* mesh, const aiMatrix4x4& mat)const;
+
+public:
+ /** Number of bones present in the scene. */
+ unsigned int mNumBones;
+ unsigned int mNumBonesCanDoWithout;
+
+ float mThreshold;
+ bool mAllOrNone;
+
+ /// Per mesh index: Array of indices of the new submeshes.
+ std::vector< std::vector< std::pair< unsigned int,aiNode* > > > mSubMeshIndices;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_DEBONEPROCESS_H_INC