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radio_types.h

/*
 * radio_types.h
 *
 * $Id: radio_types.h,v 1.7 2004/06/26 18:03:57 ton 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) 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 *****
 */

/*  #include "misc_util.h" */ /* for listbase...*/


#ifndef RADIO_TYPES_H
#define RADIO_TYPES_H

#include "DNA_listBase.h" 
#include "DNA_material_types.h" 

#define DTWIRE          0
#define DTGOUR          2
#define DTSOLID         1

#define PI  M_PI
#define RAD_MAXFACETAB  1024
#define RAD_NEXTFACE(a) if( ((a) & 1023)==0 ) face= RG.facebase[(a)>>10]; else face++;

/* RG.phase */
#define RAD_SHOOTE      1
#define RAD_SHOOTP      2
#define RAD_SOLVE       3

typedef struct RadView {
      float cam[3], tar[3], up[3];
      float wx1, wx2, wy1, wy2;
      float mynear, myfar;
      float viewmat[4][4], winmat[4][4];
      unsigned int *rect, *rectz;
      short rectx, recty;
      int wid;

} RadView;

/* rn->f */
#define RAD_PATCH       1
#define RAD_SHOOT       2
#define RAD_SUBDIV            4
#define RAD_BACKFACE    8
#define RAD_TWOSIDED    16


typedef struct RNode {                          /* length: 76 */
      struct RNode *down1, *down2, *up;
      struct RNode *ed1, *ed2, *ed3, *ed4;
      struct RPatch *par;

      char lev1, lev2, lev3, lev4;        /* edgelevels */
      short type;                                     /* type: 4==QUAD, 3==TRIA */
      short f;                                        
      float *v1, *v2, *v3, *v4;
      float totrad[3], area;
      
      unsigned int col;
} RNode;


typedef struct Elem {                           /* length: 44 */
      struct RPatch *par;

      short type;                                     /* type: 4==QUAD, 3==TRIA */
      short f;                                        /* bit 0: patch, bit 1: shootelement */
      float *v1, *v2, *v3, *v4;
      float totrad[3], area;
      
      unsigned int col;
} Elem;


typedef struct Face {                           /* length: 24 */
      float *v1, *v2, *v3, *v4;
      unsigned int col, matindex;
} Face;

/* rp->f1 */
#define RAD_NO_SPLIT    1

typedef struct RPatch {
      struct RPatch *next, *prev;
      RNode *first;                 /* first node==patch */

      struct Object *from;
      
      int type;                     /* 3: TRIA, 4: QUAD */
      short f, f1;                  /* flags f: if node, only for subdiv */

      float ref[3], emit[3], unshot[3];
      float cent[3], norm[3];
      float area;
      int matindex;
      
} RPatch;


typedef struct VeNoCo {                   /* needed for splitconnected */
      struct VeNoCo *next;
      float *v;
      float *n;
      float *col;
      int flag;
} VeNoCo;


typedef     struct EdSort {                           /* sort edges */
      float *v1, *v2;
      RNode *node;
      int nr;
} EdSort;

typedef struct {
      struct Radio *radio;
      unsigned int *hemibuf;
      struct ListBase patchbase;
      int totpatch, totelem, totvert, totlamp;
      RNode **elem;                                   /* global array with all pointers */
      VeNoCo *verts;                                  /* temporal vertices from patches */
      float *formfactors;                           /* 1 factor per element */
      float *topfactors, *sidefactors;    /* LUT for delta's */
      int *index;                               /* LUT for above LUT */
      Face **facebase;
      int totface;
      float min[3], max[3], size[3], cent[3];   /* world */
      float maxsize, totenergy;
      float patchmin, patchmax;
      float elemmin, elemmax;
      float radfactor, lostenergy, igamma;            /* radfac is in button, radfactor is calculated */
      int phase;
      /* to preserve materials as used before, max 16 */
      Material *matar[MAXMAT];
      int totmat;
      
            /* this part is a copy of struct Radio */
      short hemires, maxiter;
      short drawtype, flag;               /* bit 0 en 1: show limits */
      short subshootp, subshoote, nodelim, maxsublamp;
      int maxnode;
      float convergence;
      float radfac, gamma;          /* for display */

} RadGlobal;

#endif /* radio_types.h */


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