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/* display list (or rather multi purpose list) stuff */
/*
$Id$
*
* ***** 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_DISPLIST_H
#define BKE_DISPLIST_H
/* dl->type */
#define DL_POLY 0
#define DL_SEGM 1
#define DL_SURF 2
#define DL_TRIA 3
#define DL_INDEX3 4
#define DL_INDEX4 5
#define DL_VERTCOL 6
#define DL_VERTS 7
#define DL_NORS 8
/* dl->flag */
#define DL_CYCL_U 1
#define DL_CYCL_V 2
#define DL_FRONT_CURVE 4
#define DL_BACK_CURVE 8
/* This should, of course, become a function */
#define DL_SURFINDEX(cyclu, cyclv, sizeu, sizev) \
\
if( (cyclv)==0 && a==(sizev)-1) break; \
if(cyclu) { \
p1= sizeu*a; \
p2= p1+ sizeu-1; \
p3= p1+ sizeu; \
p4= p2+ sizeu; \
b= 0; \
} \
else { \
p2= sizeu*a; \
p1= p2+1; \
p4= p2+ sizeu; \
p3= p1+ sizeu; \
b= 1; \
} \
if( (cyclv) && a==sizev-1) { \
p3-= sizeu*sizev; \
p4-= sizeu*sizev; \
}
/* prototypes */
struct Object;
struct Curve;
struct ListBase;
struct Material;
struct Bone;
struct Mesh;
struct TFace;
struct EditMesh;
struct EditEdge;
struct EditFace;
typedef struct DispListMesh DispListMesh;
struct DispListMesh {
int totvert, totedge, totface;
struct MVert *mvert;
struct MEdge *medge;
struct MCol *mcol;
struct MFace *mface;
struct TFace *tface;
float *nors; // facenormals
};
void displistmesh_free(DispListMesh *dlm);
void displistmesh_calc_normals(DispListMesh *dlm);
void displistmesh_to_mesh(DispListMesh *dlm, struct Mesh *me);
DispListMesh *displistmesh_copy(DispListMesh *odlm);
/*
* All the different DispList.type's use the
* data in the displist structure in fairly
* different ways which can be rather confusing,
* the best thing to do would be to make a structure
* for each displaylist type that has the fields
* needed w/ proper names, and then make the actual
* DispList structure a typed union.
* - zr
*/
/* needs splitting! */
typedef struct DispList {
struct DispList *next, *prev;
short type, flag;
int parts, nr;
short col, rt; /* rt wordt gebruikt door initrenderNurbs */
float *verts, *nors;
int *index;
unsigned int *col1, *col2;
} DispList;
extern void copy_displist(struct ListBase *lbn, struct ListBase *lb);
extern void free_disp_elem(DispList *dl);
extern DispList *find_displist_create(struct ListBase *lb, int type);
extern DispList *find_displist(struct ListBase *lb, int type);
extern void addnormalsDispList(struct Object *ob, struct ListBase *lb);
extern void count_displist(struct ListBase *lb, int *totvert, int *totface);
extern void curve_to_filledpoly(struct Curve *cu, struct ListBase *nurb, struct ListBase *dispbase);
extern void freedisplist(struct ListBase *lb);
extern int displist_has_faces(struct ListBase *lb);
extern float calc_taper(struct Object *taperobj, int cur, int tot);
extern void makeDispList(struct Object *ob);
extern void set_displist_onlyzero(int val);
extern void shadeDispList(struct Object *ob);
void freefastshade(void);
void boundbox_displist(struct Object *ob);
void imagestodisplist(void);
void reshadeall_displist(void);
void test_all_displists(void);
void filldisplist(struct ListBase *dispbase, struct ListBase *to);
#endif
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