Files
pvvmud/common/lib/geometry/readbog.C
2025-03-05 08:37:43 +01:00

161 lines
3.8 KiB
C

/*
* PVVMUD a 3D MUD
* Copyright (C) 1998-1999 Programvareverkstedet (pvv@pvv.org)
*
* 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.
*
* 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
*
*/
/******************************************************************************
*
* Utilities for reading BOG file format
*
* Standard: Useing standard suggested in bogfileformat.html with
* rcs version 1.2 from the pvvmud web pages
*
*
******************************************************************************/
#include "pvvmud.H"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <iostream.h>
#include "geometry.H"
#include "bogfile.H"
#include "exception.H"
//void CGeometry::load(int objId, char * name) {
// setId(objId);
// load(name);
//}
void CGeometry::load(char * name) {
FILE * bog;
bog = fopen(name,"r");
if (bog == NULL){
cdebug << "Error: Failed to open BOG file " << name << "\n";
throw new CException();
}
readBOG(bog);
fclose(bog);
}
int CGeometry::readBOGCore(FILE * bog, int numV, int numN,
int numTC, int numP){
int ii,jj;
int type,gltype,materialId,index;
double d1,d2,d3;
CPolygon * poly;
for (ii = 0; ii < numV; ii++){
fscanf(bog,"%lf %lf %lf",&d1,&d2,&d3);
addVertex(d1,d2,d3);
}
for (ii = 0; ii < numN; ii++){
fscanf(bog,"%lf %lf %lf",&d1,&d2,&d3);
addNormal(d1,d2,d3);
}
for (ii = 0; ii < numTC; ii++){
fscanf(bog,"%lf %lf",&d1,&d2);
addTexCoord(d1,d2);
}
for (ii = 0; ii < numP; ii++){
fscanf(bog,"%i %i %i %i %i",&type,&materialId,&numV,&numN,&numTC);
switch (type){
case PT_Polygon: gltype = POLYGON_POLYGON; break;
case PT_Triangles: gltype = POLYGON_TRIANGLES; break;
case PT_Quads: gltype = POLYGON_QUADS; break;
case PT_Quad_strip: gltype = POLYGON_QUAD_STRIP; break;
case PT_Triangle_strip: gltype = POLYGON_TRIANGLE_STRIP; break;
case PT_Triangle_fan: gltype = POLYGON_TRIANGLE_FAN; break;
}
poly = new CPolygon(gltype,materialId,numV,numN,numTC);
for (jj = 0; jj < numV; jj++){
fscanf(bog,"%i",&index);
poly->addVertexIndex(index);
}
for (jj = 0; jj < numN; jj++){
fscanf(bog,"%i",&index);
poly->addNormalIndex(index);
}
for (jj = 0; jj < numTC; jj++){
fscanf(bog,"%i",&index);
poly->addTexCoordIndex(index);
}
addPolygon(poly);
}
return TRUE;
}
void CGeometry::readBOG(FILE * bog ){
CGeometry *geo=NULL,*lastgeo=NULL;
int version,numSub,subid;
int numV,numN,numTC,numP;
int ii;
char name[5];
// Read header : BOG <version> <numSubObjects>
fscanf(bog,"%s",name);
if (strcmp(name,"BOG") != 0){
throw new CException();
} else {
fscanf(bog,"%i %i",&version,&numSub);
if (version != 1) throw new CException();
}
geo = this;
for (ii = 0; ii < numSub; ii++){
fscanf(bog,"%i",&subid);
fscanf(bog,"%i %i %i %i",&numV,&numN,&numTC,&numP);
if (ii != 0){
geo = newGeometry(getId());
}
geo->setSize(numV,numN,numTC,numP);
if (lastgeo != NULL){
lastgeo->setNext(geo);
}
geo->setSubId(subid);
geo->readBOGCore(bog,numV,numN,numTC,numP);
lastgeo = geo;
}
}