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Unified Diff: intern/dualcon/dualcon.h

Issue 5491053: Remesh modifier (dual contouring) (Closed) Base URL: https://svn.blender.org/svnroot/bf-blender/trunk/blender/
Patch Set: Updated with build fixes from Sergey Created 12 years, 3 months ago
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Index: intern/dualcon/dualcon.h
===================================================================
--- intern/dualcon/dualcon.h (revision 0)
+++ intern/dualcon/dualcon.h (revision 0)
@@ -0,0 +1,95 @@
+/*
+ * ***** BEGIN GPL 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.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributor(s): Nicholas Bishop
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef DUALCON_H
+#define DUALCON_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef float (*DualConCo)[3];
+typedef unsigned int (*DualConFaces)[4];
+struct DerivedMesh;
+
+typedef struct DualConInput {
+ DualConCo co;
+ int co_stride;
+ int totco;
+
+ DualConFaces faces;
+ int face_stride;
+ int totface;
+
+ float min[3], max[3];
+} DualConInput;
+
+/* callback for allocating memory for output */
+typedef void *(*DualConAllocOutput)(int totvert, int totquad);
+/* callback for adding a new vertex to the output */
+typedef void (*DualConAddVert)(void *output, const float co[3]);
+/* callback for adding a new quad to the output */
+typedef void (*DualConAddQuad)(void *output, const int vert_indices[4]);
+
+typedef enum {
+ DUALCON_FLOOD_FILL = 1,
+} DualConFlags;
+
+typedef enum {
+ /* blocky */
+ DUALCON_CENTROID,
+ /* smooth */
+ DUALCON_MASS_POINT,
+ /* keeps sharp edges */
+ DUALCON_SHARP_FEATURES,
+} DualConMode;
+
+/* Usage:
+
+ The three callback arguments are used for creating the output
+ mesh. The alloc_output callback takes the total number of vertices
+ and faces (quads) that will be in the output. It should allocate
+ and return a structure to hold the output mesh. The add_vert and
+ add_quad callbacks will then be called for each new vertex and
+ quad, and the callback should add the new mesh elements to the
+ structure.
+*/
+void *dualcon(const DualConInput *input_mesh,
+ /* callbacks for output */
+ DualConAllocOutput alloc_output,
+ DualConAddVert add_vert,
+ DualConAddQuad add_quad,
+
+ /* flags and settings to control the remeshing
+ algorithm */
+ DualConFlags flags,
+ DualConMode mode,
+ float threshold,
+ float hermite_num,
+ float scale,
+ int depth);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
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