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diff --git a/source/blender/blenkernel/BKE_booleanops.h b/source/blender/blenkernel/BKE_booleanops.h
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+++ b/source/blender/blenkernel/BKE_booleanops.h
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+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+#ifndef BKE_BOOLEANOPS_H
+#define BKE_BOOLEANOPS_H
+
+
+struct Mesh;
+struct Object;
+struct Base;
+struct CSG_FaceIteratorDescriptor;
+struct CSG_VertexIteratorDescriptor;
+struct CSG_MeshPropertyDescriptor;
+
+/**
+ * Perform a boolean operation between 2 mesh objects and
+ * add the result as a new mesh into blender data structures.
+ * Assumes you have checked that the 2 objects are infact mesh
+ * objects. Returns 1 on success and zero when it encountered
+ * a problem. In the latter case no object is added and you should
+ * report an appropriate error.
+ */
+extern
+	int
+NewBooleanMesh(
+	struct Base * base,
+	struct Base * base_select,
+	int op_type
+);
+
+	
+/**
+ * Functions exposed for use by BKE_booleanops_mesh
+ */
+
+/**
+ * Returns pointers to new mesh descriptors for 
+ * the given mesh. Make sure you call FreeMeshDescriptors
+ * after calling this function.
+ */ 
+
+extern 
+	void
+BuildMeshDescriptors(
+	struct Object * ob,
+	struct CSG_FaceIteratorDescriptor * face_it,
+	struct CSG_VertexIteratorDescriptor * vertex_it
+);
+
+extern
+	void
+FreeMeshDescriptors(
+	struct CSG_FaceIteratorDescriptor * face_it,
+	struct CSG_VertexIteratorDescriptor * vertex_it
+);
+
+extern
+	int
+ConvertCSGDescriptorsToMeshObject(
+	struct Object *ob,
+	struct CSG_MeshPropertyDescriptor * props,
+	struct CSG_FaceIteratorDescriptor * face_it,
+	struct CSG_VertexIteratorDescriptor * vertex_it,
+	float parinv[][4]
+);
+
+/**
+ * This little function adds a new mesh object 
+ * to the blender object list. It uses ob to duplicate
+ * data as this seems to be easier than cerating a new one.
+ * This new oject contains no faces nor vertices.
+ */
+
+extern
+	struct Object *
+AddNewBlenderMesh(
+	struct Base *base
+);
+
+extern
+	int
+InterpNoUserData(
+	void *d1,
+	void *d2,
+	void *dnew,
+	float epsilon
+);
+
+extern
+	int
+InterpFaceVertexData(
+	void *d1,
+	void *d2,
+	void *dnew,
+	float epsilon
+);
+
+typedef struct {
+	float uv[2];
+	float color[4];
+} FaceVertexData;
+
+typedef struct {
+	struct Material *material;
+	
+		/* assorted tface flags */
+	void *tpage;
+	char flag, transp;
+	short mode, tile;
+} FaceData;
+
+
+
+
+#endif