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/*
* setup.c
*
* Copyright (C) 1989, 1991, Craig E. Kolb
* All rights reserved.
*
* This software may be freely copied, modified, and redistributed
* provided that this copyright notice is preserved on all copies.
*
* You may not distribute this software, in whole or in part, as part of
* any commercial product without the express consent of the authors.
*
* There is no warranty or other guarantee of fitness of this software
* for any purpose. It is provided solely "as is".
*
* $Id$
*
* $Log$
*/
#include "defaults.h"
#include "rayshade.h"
#include "libsurf/surface.h"
#include "libsurf/atmosphere.h"
#include "liblight/light.h"
#include "liblight/infinite.h"
#include "libobj/list.h"
#include "options.h"
#include "stats.h"
#include "viewing.h"
#include "picture.h"
#ifdef MULTIMAX
#include <parallel.h>
#define SHARED_BYTES 23 /* 2^23 bytes of shared memory */
#endif
extern ObjList *Defstack;
static void SetupWorld();
/*
* Set default parameters
*/
void
setup()
{
extern SurfList *CurSurf;
extern Medium TopMedium;
extern void NoiseInit();
#ifdef MULTIMAX
unsigned int bytes;
/*
* Initialize shared memory stuff.
*/
bytes = 1 << SHARED_BYTES;
if (share_malloc_init(bytes) == -1) {
RLerror(RL_PANIC, "Cannot share_malloc %d bytes.\n",bytes);
} else
fprintf(fstats,"Malloced %d bytes of shared memory.\n",
bytes);
#endif
Camera.hfov = HFOV;
Camera.vfov = UNSET;
Camera.pos.x = EYEX;
Camera.pos.y = EYEY;
Camera.pos.z = EYEZ;
Camera.lookp.x = LOOKX;
Camera.lookp.y = LOOKY;
Camera.lookp.z = LOOKZ;
Camera.up.x = UPX;
Camera.up.y = UPY;
Camera.up.z = UPZ;
Camera.focaldist = UNSET;
Camera.aperture = 0.;
Screen.xres = Screen.yres = UNSET;
Screen.minx = Screen.miny = Screen.maxx = Screen.maxy = UNSET;
Options.maxdepth = MAXDEPTH;
Options.report_freq = REPORTFREQ;
Options.pixel_div = UNSET;
Options.jit_samples = UNSET;
Options.contrast.r = UNSET;
Options.cutoff = UNSET;
Options.cache = TRUE;
Options.shadowtransp = FALSE;
Stats.fstats = stderr;
Options.pictfile = stdout;
#ifdef URT
Options.alpha = TRUE;
Options.exp_output = FALSE;
#endif
Options.gamma = GAMMA;
Options.eyesep = UNSET;
#ifdef LINDA
Options.workers = WORKERS;
#endif
TopMedium.index = DEFAULT_INDEX;
NoiseInit(); /* Initialize values for Noise() */
/*
* Top of object definition stack points to the World object.
* The World object is always a list.
*/
Defstack = ObjStackPush(ObjListCreate(), (ObjList *)NULL);
Defstack->obj->name = strsave("World");
/* Initialize surface stack */
CurSurf = SurfPush((Surface *)NULL, (SurfList *)NULL);
}
/*
* cleanup()
*
* Initialize options/variables not set on command line or in input file.
* Perform sanity checks on widow dimension, maxdepth, etc.
*/
void
cleanup()
{
extern Light *Lights;
extern void OpenStatsFile();
extern FILE *yyin;
yyin = (FILE *)NULL; /* mark that we're done reading input */
WorldSetup();
OpenStatsFile();
ViewingSetup();
if (!Options.jittered && Options.pixel_div == UNSET)
Options.pixel_div = PIXEL_DIV;
if (Options.jit_samples == UNSET)
Options.jit_samples = DEFJITSAMPLES;
if (!Options.jittered && Options.jit_samples < 0) {
RLerror(RL_PANIC, "Samples value must be at least 1.\n");
}
if (Options.cutoff == UNSET)
Options.cutoff = DEFCUTOFF;
/*
* Set contrast.
*/
if (Options.contrast.r == UNSET) {
Options.contrast.r = DEFREDCONT;
Options.contrast.g = DEFGREENCONT;
Options.contrast.b = DEFBLUECONT;
}
/*
* Image gamma is inverse of display gamma.
*/
if (fabs(Options.gamma) > EPSILON)
Options.gamma = 1. / Options.gamma;
else
Options.gamma = FAR_AWAY;
if (Options.maxdepth < 0)
Options.maxdepth = 0;
/*
* Set sampling options.
*/
SamplingSetOptions(Options.jit_samples);
LightSetup();
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.