NOTE: New file to be added to project files

 - add new DerivedMesh type, currently just encapsulates drawing

1 files changed, 95 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_DerivedMesh.h b/source/blender/blenkernel/BKE_DerivedMesh.h
new file mode 100644
index 00000000000..ceddbf64858
--- /dev/null
+++ b/source/blender/blenkernel/BKE_DerivedMesh.h
@@ -0,0 +1,95 @@
+/**
+ * $$
+ *
+ * ***** 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_DERIVEDMESH_H
+#define BKE_DERIVEDMESH_H
+
+struct Object;
+struct DispListMesh;
+
+typedef struct DerivedMesh DerivedMesh;
+struct DerivedMesh {
+	/* Drawing Operations */
+
+			/* Draw all vertices as bgl points (no options) */
+	void (*drawVerts)(DerivedMesh *dm);
+
+			/* Draw all edges as lines (no options) */
+	void (*drawEdges)(DerivedMesh *dm);
+
+			/* Draw mapped edges as lines (no options) */
+	void (*drawMappedEdges)(DerivedMesh *dm);
+			
+			/* Draw all edges without faces as lines (no options) */
+	void (*drawLooseEdges)(DerivedMesh *dm);
+
+			
+			/* Draw all faces
+			 *  o Set face normal or vertex normal based on inherited face flag
+			 *  o Use inherited face material index to call setMaterial
+			 */
+	void (*drawFacesSolid)(DerivedMesh *dm, void (*setMaterial)(int));
+
+			/* Draw all faces
+			 *  o If useTwoSided, draw front and back using col arrays
+			 *  o col1,col2 are arrays of length numFace*4 of 4 component colors
+			 *    in ABGR format, and should be passed as per-face vertex color.
+			 */
+	void (*drawFacesColored)(DerivedMesh *dm, int useTwoSided, unsigned char *col1, unsigned char *col2);
+
+			/* Draw mapped vertices as bgl points
+			 *  o Only if mapped EditVert->h==0
+			 */
+	void (*drawMappedVertsEM)(DerivedMesh *dm, int sel);
+
+			/* Draw mapped edges as lines
+			 *  o If useColor==0, don't set color
+			 *  o If useColor==1, set color based on mapped (EditEdge->f&SELECT)
+			 *  o If useColor==2, set color based on mapped (EditVert->f&SELECT)
+			 *     - Should interpolate as nicely as possible across edge.
+			 *  o If onlySeams, only draw if mapped (EditEdge->seam)
+			 */
+	void (*drawMappedEdgesEM)(DerivedMesh *dm, int useColor, unsigned char *baseCol, unsigned char *selCol, int onlySeams);
+
+			/* Draw all faces
+			 *  o If useColor, set color based on mapped (EditFace->f&SELECT)
+			 */
+	void (*drawFacesEM)(DerivedMesh *dm, int useColor, unsigned char *baseCol, unsigned char *selCol);
+
+	void (*release)(DerivedMesh *dm);
+};
+
+DerivedMesh *mesh_get_derived(struct Object *ob);
+DerivedMesh *mesh_get_base_derived(struct Object *ob);
+
+#endif
+