1 files changed, 109 insertions, 0 deletions
diff --git a/src/libslic3r/Format/objparser.hpp b/src/libslic3r/Format/objparser.hpp
new file mode 100644
index 000000000..5fc25e297
--- /dev/null
+++ b/src/libslic3r/Format/objparser.hpp
@@ -0,0 +1,109 @@
+#ifndef slic3r_Format_objparser_hpp_
+#define slic3r_Format_objparser_hpp_
+
+#include <string>
+#include <vector>
+
+namespace ObjParser {
+
+struct ObjVertex
+{
+	int coordIdx;
+	int textureCoordIdx;
+	int normalIdx;
+};
+
+inline bool operator==(const ObjVertex &v1, const ObjVertex &v2)
+{
+	return 
+		v1.coordIdx			== v2.coordIdx			&& 
+		v1.textureCoordIdx	== v2.textureCoordIdx	&& 
+		v1.normalIdx		== v2.normalIdx;
+}
+
+struct ObjUseMtl
+{
+	int			vertexIdxFirst;
+	std::string name;
+};
+
+inline bool operator==(const ObjUseMtl &v1, const ObjUseMtl &v2)
+{
+	return 
+		v1.vertexIdxFirst	== v2.vertexIdxFirst	&& 
+		v1.name.compare(v2.name) == 0;
+}
+
+struct ObjObject
+{
+	int			vertexIdxFirst;
+	std::string name;
+};
+
+inline bool operator==(const ObjObject &v1, const ObjObject &v2)
+{
+	return 
+		v1.vertexIdxFirst	== v2.vertexIdxFirst	&& 
+		v1.name.compare(v2.name) == 0;
+}
+
+struct ObjGroup
+{
+	int			vertexIdxFirst;
+	std::string name;
+};
+
+inline bool operator==(const ObjGroup &v1, const ObjGroup &v2)
+{
+	return 
+		v1.vertexIdxFirst	== v2.vertexIdxFirst	&& 
+		v1.name.compare(v2.name) == 0;
+}
+
+struct ObjSmoothingGroup
+{
+	int			vertexIdxFirst;
+	int			smoothingGroupID;
+};
+
+inline bool operator==(const ObjSmoothingGroup &v1, const ObjSmoothingGroup &v2)
+{
+	return 
+		v1.vertexIdxFirst	== v2.vertexIdxFirst	&& 
+		v1.smoothingGroupID == v2.smoothingGroupID;
+}
+
+struct ObjData {
+	// Version of the data structure for load / store in the private binary format.
+	int								version;
+
+	// x, y, z, w
+	std::vector<float>				coordinates;
+	// u, v, w
+	std::vector<float>				textureCoordinates;
+	// x, y, z
+	std::vector<float>				normals;
+	// u, v, w
+	std::vector<float>				parameters;
+
+	std::vector<std::string>		mtllibs;
+	std::vector<ObjUseMtl>			usemtls;
+	std::vector<ObjObject>			objects;
+	std::vector<ObjGroup>			groups;
+	std::vector<ObjSmoothingGroup>	smoothingGroups;
+
+	// List of faces, delimited by an ObjVertex with all members set to -1.
+	std::vector<ObjVertex>			vertices;
+};
+
+extern bool objparse(const char *path, ObjData &data);
+
+extern bool objbinsave(const char *path, const ObjData &data);
+
+extern bool objbinload(const char *path, ObjData &data);
+
+extern bool objequal(const ObjData &data1, const ObjData &data2);
+
+} // namespace ObjParser
+
+#endif /* slic3r_Format_objparser_hpp_ */