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Diffstat (limited to 'source/blender/blenkernel/BKE_bmesh.h')
-rw-r--r-- | source/blender/blenkernel/BKE_bmesh.h | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_bmesh.h b/source/blender/blenkernel/BKE_bmesh.h new file mode 100644 index 00000000000..6a2209618d5 --- /dev/null +++ b/source/blender/blenkernel/BKE_bmesh.h @@ -0,0 +1,250 @@ +/** + * BKE_bmesh.h jan 2007 + * + * BMesh modeler structure and functions. + * + * $Id: BKE_bmesh.h,v 1.00 2007/01/17 17:42:01 Briggs Exp $ + * + * ***** 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) 2004 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Geoffrey Bantle. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + */ + +#ifndef BKE_BMESH_H +#define BKE_BMESH_H + +#include "DNA_listBase.h" +#include "BLI_ghash.h" +#include "BLI_memarena.h" +#include "DNA_customdata_types.h" +#include "BLI_editVert.h" +#include "BKE_DerivedMesh.h" +#include "transform.h" + +struct BME_Vert; +struct BME_Edge; +struct BME_Poly; +struct BME_Loop; +struct RetopoPaintData; +struct DerivedMesh; + +typedef struct BME_CycleNode{ + struct BME_CycleNode *next, *prev; + void *data; +} BME_CycleNode; + +typedef struct BME_Mesh +{ + ListBase verts, edges, polys, loops; + int lock; /*if set, all calls to eulers will fail.*/ + struct BME_Mesh *backup; /*full copy of the mesh*/ + int totvert, totedge, totpoly, totloop; /*record keeping*/ + int nextv, nexte, nextp, nextl; /*Next element ID for verts/edges/faces/loops. Never reused*/ + struct CustomData vdata, edata, pdata, ldata; /*Custom Data Layer information*/ + struct DerivedMesh *derivedFinal, *derivedCage; + struct RetopoPaintData *retopo_paint_data; /*here for temporary code compatibility only*/ + //BME_ElementList selection; + int lastDataMask; +} BME_Mesh; + +//60, 52, 52, 12 704 +//60, 52, 84 + + +typedef struct BME_Vert +{ + struct BME_Vert *next, *prev; + int EID; + float co[3]; /*vertex location. Actually pointer to custom data block*/ + float no[3]; /*vertex normal. Actually pointer to custom data block*/ + struct BME_Edge *edge; /*first edge in the disk cycle for this vertex*/ + void *data; /*custom vertex data*/ + int eflag1, eflag2; /*reserved for use by eulers*/ + int tflag1, tflag2; /*reserved for use by tools*/ + unsigned short flag, h; + float bweight; +} BME_Vert; + +typedef struct BME_Edge +{ + struct BME_Edge *next, *prev; + int EID; + struct BME_Vert *v1, *v2; /*note that order of vertex pointers means nothing to eulers*/ + struct BME_CycleNode d1, d2; /*disk cycle nodes for v1 and v2 respectivley*/ + struct BME_Loop *loop; /*first BME_Loop in the radial cycle around this edge*/ + void *data; /*custom edge data*/ + int eflag1, eflag2; /*reserved for use by eulers*/ + int tflag1, tflag2; /*reserved for use by tools*/ + unsigned char flag, h; + float crease, bweight; +} BME_Edge; + +typedef struct BME_Loop +{ + struct BME_Loop *next, *prev; /*circularly linked list around face*/ + int EID; + struct BME_CycleNode radial; /*circularly linked list used to find faces around an edge*/ + struct BME_CycleNode *gref; /*pointer to loop ref. Nasty.*/ + struct BME_Vert *v; /*vertex that this loop starts at.*/ + struct BME_Edge *e; /*edge this loop belongs to*/ + struct BME_Poly *f; /*face this loop belongs to*/ + void *data; /*custom per face vertex data*/ + int eflag1, eflag2; /*reserved for use by eulers*/ + int tflag1, tflag2; /*reserved for use by tools*/ + unsigned short flag, h; +} BME_Loop; + +typedef struct BME_Poly +{ + struct BME_Poly *next, *prev; + int EID; + //~ float no[3]; + struct BME_Loop *loopbase; /*First editloop around Polygon.*/ + struct ListBase holes; /*list of inner loops in the face*/ + unsigned int len; /*total length of the face. Eulers should preserve this data*/ + void *data; /*custom face data*/ + int eflag1, eflag2; /*reserved for use by eulers*/ + int tflag1, tflag2; /*reserved for use by tools*/ + unsigned short flag, h, mat_nr; +} BME_Poly; + +//*EDGE UTILITIES*/ +int BME_verts_in_edge(struct BME_Vert *v1, struct BME_Vert *v2, struct BME_Edge *e); +int BME_vert_in_edge(struct BME_Edge *e, BME_Vert *v); +struct BME_Vert *BME_edge_getothervert(struct BME_Edge *e, struct BME_Vert *v); + +/*GENERAL CYCLE*/ +int BME_cycle_length(void *h); + +/*DISK CYCLE*/ +struct BME_Edge *BME_disk_nextedge(struct BME_Edge *e, struct BME_Vert *v); +struct BME_CycleNode *BME_disk_getpointer(struct BME_Edge *e, struct BME_Vert *v); +struct BME_Edge *BME_disk_next_edgeflag(struct BME_Edge *e, struct BME_Vert *v, int eflag, int tflag); +int BME_disk_count_edgeflag(struct BME_Vert *v, int eflag, int tflag); + +/*RADIAL CYCLE*/ +struct BME_Loop *BME_radial_nextloop(struct BME_Loop *l); +int BME_radial_find_face(struct BME_Edge *e,struct BME_Poly *f); + +/*LOOP CYCLE*/ +struct BME_Loop *BME_loop_find_loop(struct BME_Poly *f, struct BME_Vert *v); + +/*MESH CREATION/DESTRUCTION*/ +struct BME_Mesh *BME_make_mesh(void); +void BME_free_mesh(struct BME_Mesh *bm); +struct BME_Mesh *BME_copy_mesh(struct BME_Mesh *bm); +/*FULL MESH VALIDATION*/ +int BME_validate_mesh(struct BME_Mesh *bm, int halt); +/*ENTER/EXIT MODELLING LOOP*/ +int BME_model_begin(struct BME_Mesh *bm); +void BME_model_end(struct BME_Mesh *bm); + +/*MESH CONSTRUCTION API.*/ +/*MAKE*/ +struct BME_Vert *BME_MV(struct BME_Mesh *bm, float *vec); +struct BME_Edge *BME_ME(struct BME_Mesh *bm, struct BME_Vert *v1, struct BME_Vert *v2); +struct BME_Poly *BME_MF(struct BME_Mesh *bm, struct BME_Vert *v1, struct BME_Vert *v2, struct BME_Edge **elist, int len); +/*KILL*/ +int BME_KV(struct BME_Mesh *bm, struct BME_Vert *v); +int BME_KE(struct BME_Mesh *bm, struct BME_Edge *e); +int BME_KF(struct BME_Mesh *bm, struct BME_Poly *bply); +/*SPLIT*/ +struct BME_Vert *BME_SEMV(struct BME_Mesh *bm, struct BME_Vert *tv, struct BME_Edge *e, struct BME_Edge **re); +struct BME_Poly *BME_SFME(struct BME_Mesh *bm, struct BME_Poly *f, struct BME_Vert *v1, struct BME_Vert *v2, struct BME_Loop **rl); +/*JOIN*/ +int BME_JEKV(struct BME_Mesh *bm, struct BME_Edge *ke, struct BME_Vert *kv); +struct BME_Poly *BME_JFKE(struct BME_Mesh *bm, struct BME_Poly *f1, struct BME_Poly *f2,struct BME_Edge *e); /*no reason to return BME_Poly pointer?*/ +/*NORMAL FLIP(Is its own inverse)*/ +int BME_loop_reverse(struct BME_Mesh *bm, struct BME_Poly *f); + +/*TOOLS CODE*/ +struct BME_Loop *BME_inset_edge(struct BME_Mesh *bm, struct BME_Loop *l, struct BME_Poly *f); +struct BME_Poly *BME_inset_poly(struct BME_Mesh *bm, struct BME_Poly *f); + +/* bevel tool defines */ +/* element flags */ +#define BME_BEVEL_ORIG 1 +#define BME_BEVEL_BEVEL (1<<1) +#define BME_BEVEL_NONMAN (1<<2) +#define BME_BEVEL_WIRE (1<<3) + +/* tool options */ +#define BME_BEVEL_SELECT 1 +#define BME_BEVEL_VERT (1<<1) +#define BME_BEVEL_RADIUS (1<<2) +#define BME_BEVEL_ANGLE (1<<3) +#define BME_BEVEL_WEIGHT (1<<4) +//~ #define BME_BEVEL_EWEIGHT (1<<4) +//~ #define BME_BEVEL_VWEIGHT (1<<5) +#define BME_BEVEL_PERCENT (1<<6) +#define BME_BEVEL_EMIN (1<<7) +#define BME_BEVEL_EMAX (1<<8) +#define BME_BEVEL_RUNNING (1<<9) +#define BME_BEVEL_RES (1<<10) + +typedef struct BME_TransData { + BME_Mesh *bm; /* the bmesh the vert belongs to */ + BME_Vert *v; /* pointer to the vert this tdata applies to */ + float co[3]; /* the original coordinate */ + float org[3]; /* the origin */ + float vec[3]; /* a directional vector; always, always normalize! */ + void *loc; /* a pointer to the data to transform (likely the vert's cos) */ + float factor; /* primary scaling factor; also accumulates number of weighted edges for beveling tool */ + float weight; /* another scaling factor; used primarily for propogating vertex weights to transforms; */ + /* weight is also used across recursive bevels to help with the math */ + float maxfactor; /* the unscaled, original factor (used only by "edge verts" in recursive beveling) */ + float *max; /* the maximum distance this vert can be transformed; negative is infinite + * it points to the "parent" maxfactor (where maxfactor makes little sense) + * where the max limit is stored (limits are stored per-corner) */ +} BME_TransData; + +typedef struct BME_TransData_Head { + GHash *gh; /* the hash structure for element lookup */ + MemArena *ma; /* the memory "pool" we will be drawing individual elements from */ + int len; +} BME_TransData_Head; + +typedef struct BME_Glob { /* stored in Global G for Transform() purposes */ + BME_Mesh *bm; + BME_TransData_Head *td; + struct TransInfo *Trans; /* a pointer to the global Trans struct */ + int imval[2]; /* for restoring original mouse co when initTransform() is called multiple times */ + int options; + int res; +} BME_Glob; + +struct BME_TransData *BME_get_transdata(struct BME_TransData_Head *td, struct BME_Vert *v); +void BME_free_transdata(struct BME_TransData_Head *td); +float *BME_bevel_calc_polynormal(struct BME_Poly *f, struct BME_TransData_Head *td); +struct BME_Mesh *BME_bevel(struct BME_Mesh *bm, float value, int res, int options, int defgrp_index, float angle, BME_TransData_Head **rtd); + +/*CONVERSION FUNCTIONS*/ +struct BME_Mesh *BME_editmesh_to_bmesh(EditMesh *em, struct BME_Mesh *bm); +struct EditMesh *BME_bmesh_to_editmesh(struct BME_Mesh *bm, BME_TransData_Head *td); +struct BME_Mesh *BME_derivedmesh_to_bmesh(struct DerivedMesh *dm, struct BME_Mesh *bm); +struct DerivedMesh *BME_bmesh_to_derivedmesh(struct BME_Mesh *bm, struct DerivedMesh *dm); +#endif |