109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
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/********************************************************************/
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/* STRIPE: converting a polygonal model to triangle strips
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Francine Evans, 1996.
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SUNY @ Stony Brook
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Advisors: Steven Skiena and Amitabh Varshney
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*/
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/********************************************************************/
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/*---------------------------------------------------------------------*/
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/* STRIPE: polverts.h
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-----------------------------------------------------------------------*/
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#ifndef _POLVERTS_H
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#define _POLVERTS_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "queue.h"
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#else
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# include <malloc.h>
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#endif
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typedef struct adjacencies
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{
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Node ListNode;
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int face_id;
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} ADJACENCIES,*P_ADJACENCIES;
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typedef struct FVerts
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{
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Node ListNode;
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int *pPolygon;
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int nPolSize;
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int nId;
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} F_VERTS, *PF_VERTS;
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/*Every time we need to use this, cast it ( ListInfo*)*/
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typedef struct FEdges
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{
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Node ListNode;
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int edge[3];
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}F_EDGES,*PF_EDGES;
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typedef struct FFaces
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{
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Node ListNode;
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int *pPolygon;
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int *pNorms;
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int seen;
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int seen2;
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int seen3;
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int nPolSize;
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F_EDGES **VertandId;
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int *marked;
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int *walked;
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} F_FACES,*PF_FACES;
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typedef struct Strips
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{
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Node ListNode;
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int face_id;
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} Strips,*P_STRIPS;
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struct vert_added
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{
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int num;
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int *normal;
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};
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/* external functions */
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void Find_Adjacencies(int num_faces);
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void Test_Adj_Struct();
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void Test_SGI_Struct();
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void Write_Edges();
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void Build_SGI_Table(int num_verts,int num_faces);
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void Save_Walks(int numfaces);
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void Find_Bands(int numfaces, FILE *output_file, int *swaps, int *bands,
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int *cost, int *tri, int norms, int *vert_norms, int texture,
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int *vert_texture);
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void Save_Rest(int *numfaces);
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void Assign_Walk(int lastvert, PF_FACES temp2, int front_walk,int y,
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int back_walk);
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void Save_Walks(int numfaces);
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/* Globals */
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extern ListHead **PolVerts;
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extern ListHead **PolFaces;
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extern ListHead **PolEdges;
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extern ListHead *array[60];
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extern int id_array[60];
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extern ListHead *strips[1];
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extern ListHead *all_strips[100000]; /* Assume max 100000 strips */
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#endif _POLVERTS_H
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