WIP of assimp integration.

Engine/lib/assimp/code/STLExporter.h

@@ -0,0 +1,84 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2018, 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 STLExporter.h
+ * Declares the exporter class to write a scene to a Stereolithography (STL) file
+ */
+#ifndef AI_STLEXPORTER_H_INC
+#define AI_STLEXPORTER_H_INC
+
+#include <sstream>
+
+struct aiScene;
+struct aiNode;
+struct aiMesh;
+
+namespace Assimp {
+
+// ------------------------------------------------------------------------------------------------
+/** Helper class to export a given scene to a STL file. */
+// ------------------------------------------------------------------------------------------------
+class STLExporter
+{
+public:
+    /// Constructor for a specific scene to export
+    STLExporter(const char* filename, const aiScene* pScene, bool exportPOintClouds, bool binary = false);
+
+    /// public stringstreams to write all output into
+    std::ostringstream mOutput;
+
+private:
+    void WritePointCloud(const std::string &name, const aiScene* pScene);
+    void WriteMesh(const aiMesh* m);
+    void WriteMeshBinary(const aiMesh* m);
+
+private:
+
+    const std::string filename;
+
+    // this endl() doesn't flush() the stream
+    const std::string endl;
+};
+
+}
+
+#endif