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blender-archive/source/blender/include/BIF_editmesh.h
Brecht Van Lommel e435fbc3c5 Added custom vertex/edge/face data for meshes: 
All data layers, including MVert/MEdge/MFace, are now managed as custom
data layers. The pointers like Mesh.mvert, Mesh.dvert or Mesh.mcol are
still used of course, but allocating, copying or freeing these arrays
should be done through the CustomData API.

Work in progress documentation on this is here:
http://mediawiki.blender.org/index.php/BlenderDev/BlenderArchitecture/CustomData


Replaced TFace by MTFace:

This is the same struct, except that it does not contain color, that now
always stays separated in MCol. This was not a good design decision to
begin with, and it is needed for adding multiple color layers later. Note
that this does mean older Blender versions will not be able to read UV
coordinates from the next release, due to an SDNA limitation.


Removed DispListMesh:

This now fully replaced by DerivedMesh. To provide access to arrays of
vertices, edges and faces, like DispListMesh does. The semantics of the
DerivedMesh.getVertArray() and similar functions were changed to return
a pointer to an array if one exists, or otherwise allocate a temporary
one. On releasing the DerivedMesh, this temporary array will be removed
automatically.


Removed ssDM and meshDM DerivedMesh backends:

The ssDM backend was for DispListMesh, so that became obsolete automatically.
The meshDM backend was replaced by the custom data backend, that now figures
out which layers need to be modified, and only duplicates those.


This changes code in many places, and overall removes 2514 lines of code.
So, there's a good chance this might break some stuff, although I've been
testing it for a few days now. The good news is, adding multiple color and
uv layers should now become easy.
2006-11-20 04:28:02 +00:00

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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 *****
*/
/* External for editmesh_xxxx.c functions */
#ifndef BIF_EDITMESH_H
#define BIF_EDITMESH_H
struct EditMesh;
struct EditFace;
struct EditEdge;
struct EditVert;
struct Mesh;
struct bDeformGroup;
struct View3D;
struct EditSelection;
struct CustomData;
// edge and face flag both
#define EM_FGON 2
// face flag
#define EM_FGON_DRAW 1
extern unsigned int em_vertoffs, em_solidoffs, em_wireoffs;
/* ******************* editmesh.c */
extern void make_editMesh(void);
extern void load_editMesh(void);
extern void free_editMesh(struct EditMesh *);
extern void remake_editMesh(void);
/* Editmesh Undo code */
extern void undo_push_mesh(char *name);
extern void separatemenu(void);
extern void separate_mesh(void);
extern void separate_mesh_loose(void);
extern void separate_material(void);
/* ******************* editmesh_add.c */
extern void make_prim(int type, float imat[3][3], short tot, short seg,
short subdiv, float dia, float d, short ext, short fill,
float cent[3]);
extern void add_primitiveMesh(int type);
extern void adduplicate_mesh(void);
extern void add_click_mesh(void);
extern void addedgeface_mesh(void);
void addfaces_from_edgenet();
/* ******************* editmesh_lib.c */
extern void EM_set_flag_all(int flag);
extern void EM_clear_flag_all(int flag);
extern void EM_select_face(struct EditFace *efa, int sel);
extern void EM_select_edge(struct EditEdge *eed, int sel);
extern float EM_face_area(struct EditFace *efa);
extern float EM_face_perimeter(struct EditFace *efa);
extern void EM_editselection_center(float *center, struct EditSelection *ese);
extern void EM_editselection_normal(float *normal, struct EditSelection *ese);
extern void EM_editselection_plane(float *plane, struct EditSelection *ese);
extern void EM_deselect_flush(void); // vertices to edges/faces (exception!)
extern void EM_select_flush(void); // vertices to edges/faces (exception!)
extern void EM_selectmode_set(void); // when mode changes
extern void EM_selectmode_flush(void); // when selection changes
extern void EM_convertsel(short oldmode, short selectmode);
extern void EM_remove_selection(void *data, int type);
extern void EM_store_selection(void *data, int type);
extern void EM_validate_selections(void);
extern int EM_nfaces_selected(void);
extern int EM_nvertices_selected(void);
extern int faceselectedAND(struct EditFace *efa, int flag);
extern void recalc_editnormals(void);
extern void flip_editnormals(void);
extern void EM_data_interp_from_verts(struct EditVert *v1,
struct EditVert *v2, struct EditVert *eve, float fac);
extern struct EditFace *EM_face_from_faces(struct EditFace *efa1,
struct EditFace *efa2, int i1, int i2, int i3, int i4);
extern void EM_data_interp_from_faces(struct EditFace *efa1,
struct EditFace *efa2, struct EditFace *efan, int i1, int i2, int i3, int i4);
void EM_add_data_layer(struct CustomData *data, int type);
void EM_free_data_layer(struct CustomData *data, int type);
/* ******************* editmesh_mods.c */
extern void EM_init_index_arrays(int forVert, int forEdge, int forFace);
extern void EM_free_index_arrays(void);
extern struct EditVert *EM_get_vert_for_index(int index);
extern struct EditEdge *EM_get_edge_for_index(int index);
extern struct EditFace *EM_get_face_for_index(int index);
extern void EM_select_face_fgon(struct EditFace *efa, int sel);
extern int EM_init_backbuf_border(short xmin, short ymin, short xmax, short ymax);
extern int EM_mask_init_backbuf_border(short mcords[][2], short tot, short xmin, short ymin, short xmax, short ymax);
extern int EM_init_backbuf_circle(short xs, short ys, short rads);
extern int EM_check_backbuf(unsigned int index);
extern void EM_free_backbuf(void);
extern void EM_selectmode_menu(void);
extern void vertexnoise(void);
extern void vertexsmooth(void);
extern void righthandfaces(int select);
extern void mouse_mesh(void);
extern void deselectall_mesh(void);
extern void selectconnected_mesh(int qual);
extern void selectswap_mesh(void);
extern void hide_mesh(int swap);
extern void reveal_mesh(void);
extern void vertices_to_sphere(void);
/** Aligns the selected MTFace's of @a me to the @a v3d,
* using the given axis (0-2). Can give a user error.
*/
extern void faceselect_align_view_to_selected(struct View3D *v3d, struct Mesh *me, int axis);
/** Aligns the selected faces or vertices of @a me to the @a v3d,
* using the given axis (0-2). Can give a user error.
*/
extern void editmesh_align_view_to_selected(struct View3D *v3d, int axis);
/* Selection */
extern void select_non_manifold(void);
extern void select_sharp_edges(void);
extern void select_linked_flat_faces(void);
extern void select_faces_by_numverts(int numverts);
extern void select_more(void);
extern void select_less(void);
extern void selectrandom_mesh(void);
extern void editmesh_select_by_material(int index);
extern void editmesh_deselect_by_material(int index);
extern void Edge_Menu(void);
extern void select_mesh_group_menu(void);
extern void editmesh_mark_seam(int clear);
extern void loop_multiselect(int looptype);
/* ******************* editmesh_loop.c */
#define KNIFE_PROMPT 0
#define KNIFE_EXACT 1
#define KNIFE_MIDPOINT 2
#define KNIFE_MULTICUT 3
extern void CutEdgeloop(int numcuts);
extern void KnifeSubdivide(char mode);
extern void LoopMenu(void);
#define LOOP_SELECT 1
#define LOOP_CUT 2
extern short sharesFace(struct EditEdge* e1, struct EditEdge* e2);
/* ******************* editmesh_tools.c */
#define SUBDIV_SELECT_ORIG 0
#define SUBDIV_SELECT_INNER 1
#define SUBDIV_SELECT_INNER_SEL 2
#define SUBDIV_SELECT_LOOPCUT 3
extern void convert_to_triface(int direction);
extern int removedoublesflag(short flag, float limit);
extern void xsortvert_flag(int flag);
extern void hashvert_flag(int flag);
extern void esubdivideflag(int flag, float rad, int beauty, int numcuts, int selecttype);
extern void extrude_mesh(void);
extern void split_mesh(void);
extern void extrude_repeat_mesh(int steps, float offs);
extern void spin_mesh(int steps,float degr,float *dvec, int mode);
extern void screw_mesh(int steps,int turns);
extern void delete_mesh(void);
extern void beauty_fill(void);
extern void join_triangles(void);
extern void edge_flip(void);
extern void fill_mesh(void);
extern void bevel_menu();
extern void mesh_set_smooth_faces(short event);
void edge_rotate_selected(int dir);
int EdgeSlide(short immediate, float imperc);
int EdgeLoopDelete(void);
void mesh_rip(void);
struct EditVert *editedge_getOtherVert(struct EditEdge *eed, struct EditVert *ev);
struct EditVert *editedge_getSharedVert(struct EditEdge *eed, struct EditEdge *eed2);
int editedge_containsVert(struct EditEdge *eed, struct EditVert *eve);
int editface_containsVert(struct EditFace *efa, struct EditVert *eve);
int editface_containsEdge(struct EditFace *efa, struct EditEdge *eed);
void shape_copy_select_from(void);
void shape_propagate(void);
int collapseEdges(void);
int merge_firstlast(int first, int uvmerge);
int merge_target( int target, int uvmerge);
void pathselect(void);
void loop_to_region(void);
void region_to_loop(void);
#endif
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