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/*
* XaoS, a fast portable realtime fractal zoomer
* Copyright (C) 1996,1997 by
*
* Jan Hubicka (hubicka@paru.cas.cz)
* Thomas Marsh (tmarsh@austin.ibm.com)
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef _plan9_
#include <u.h>
#include <libc.h>
#else
#ifdef __MINGW32__
#include <float.h>
#define isnan _isnan
#endif /* __MINGW32__ */
#include <stdlib.h>
#include <math.h>
#include <config.h>
#include <assert.h>
#include <limits.h>
#endif
#include <fconfig.h>
#define SLARGEITER
#include <filter.h>
#include <zoom.h>
#include "autopilot.h"
#include <ui_helper.h>
#define MINCOUNT 5
#define InSet(i) (i==context->image->palette->pixels[0])
/*Include bitmap depended part first */
#include <c256.h>
#define look1 look18
#define look2 look28
#include "autod.c"
#include <hicolor.h>
#define look1 look116
#define look2 look216
#include "autod.c"
#include <true24.h>
#define look1 look124
#define look2 look224
#include "autod.c"
#include <truecolor.h>
#define look1 look132
#define look2 look232
#include "autod.c"
void clean_autopilot(uih_context * context)
{
context->minsize = 1000;
context->maxsize = 0;
context->autime = 0;
context->minlong = 0;
context->x1 = INT_MAX;
context->y1 = INT_MAX;
context->autopilotversion = context->fcontext->version;
}
static void again(uih_context * context)
{
context->fcontext->s = context->fcontext->currentformula->v;
context->fcontext->version++;
clean_autopilot(context);
}
void
do_autopilot(uih_context * context, int *x, int *y, int *controls,
void (*changed) (void), int times)
{
int c = 0;
volatile number_t step =
(context->fcontext->rs.mc -
context->fcontext->rs.nc) / context->zengine->image->width / 10;
volatile number_t pos = context->fcontext->rs.mc;
volatile number_t pos1 = context->fcontext->rs.mc;
volatile number_t ystep =
(context->fcontext->rs.mi -
context->fcontext->rs.ni) / context->zengine->image->height / 10;
volatile number_t ypos = context->fcontext->rs.mi;
volatile number_t ypos1 = context->fcontext->rs.mi;
pos += step; /*out of precisity check */
ypos += ystep;
pos1 -= step; /*out of precisity check */
ypos1 -= ystep;
*x = context->x1;
*y = context->y1;
uih_clearwindows(context);
context->zengine->action->convertup(context->zengine, x, y);
if ((context->minlong > MINCOUNT && context->c1 == BUTTON3) ||
!(pos > context->fcontext->rs.mc) ||
!(ypos > context->fcontext->rs.mi) ||
(pos1 >= context->fcontext->rs.mc) ||
(ypos1 >= context->fcontext->rs.mi) ||
context->fcontext->rs.mc - context->fcontext->rs.nc > 100.0 ||
isnan(pos) || isnan(ypos) || isnan(context->fcontext->s.cr) ||
isnan(context->fcontext->s.ci) ||
isnan(context->fcontext->s.rr - context->fcontext->s.ri) ||
context->fcontext->s.rr == 0 ||
context->fcontext->s.ri == 0 ||
isnan(context->fcontext->rs.mc - context->fcontext->rs.mi) ||
isnan(context->fcontext->rs.nc - context->fcontext->rs.ni)) {
again(context);
changed();
}
/*Are we waiting for better qualitty? */
if (!context->c1 && context->zengine->flags & UNCOMPLETTE) {
return;
}
assert(changed != NULL);
if (context->fcontext->version != context->autopilotversion)
clean_autopilot(context);
if (context->fcontext->rs.mc - context->fcontext->rs.nc <
context->minsize) {
context->minsize =
context->fcontext->rs.mc - context->fcontext->rs.nc;
context->minlong = 0;
} /*Oscilating prevention */
if (context->fcontext->rs.mc - context->fcontext->rs.nc >
context->maxsize) {
context->minsize =
context->fcontext->rs.mc - context->fcontext->rs.nc;
context->maxsize =
context->fcontext->rs.mc - context->fcontext->rs.nc;
context->minlong = 0;
}
if (context->autime <= 0) {
context->minlong++;
context->autime = rand() % MAXTIME;
if (context->zengine->flags & LOWQUALITY) {
context->c1 = 0;
} else {
switch (context->zengine->image->bytesperpixel) {
case 1:
c = look18(context, *x, *y, RANGE1, NGUESSES);
if (!c)
c = look28(context, *x, *y, RANGE1, NGUESSES);
if (!(rand() % 30))
c = 0;
if (!c)
c = look18(context, *x, *y, 10000, NGUESSES1);
if (!c)
c = look18(context, *x, *y, 10000, NGUESSES2);
break;
#ifdef SUPPORT16
case 2:
c = look116(context, *x, *y, RANGE1, NGUESSES);
if (!c)
c = look216(context, *x, *y, RANGE1, NGUESSES);
if (!(rand() % 30))
c = 0;
if (!c)
c = look116(context, *x, *y, 10000, NGUESSES1);
if (!c)
c = look216(context, *x, *y, 10000, NGUESSES1);
break;
#endif
#ifdef STRUECOLOR24
case 3:
c = look124(context, *x, *y, RANGE1, NGUESSES);
if (!c)
c = look224(context, *x, *y, RANGE1, NGUESSES);
if (!(rand() % 30))
c = 0;
if (!c)
c = look124(context, *x, *y, 10000, NGUESSES1);
if (!c)
c = look224(context, *x, *y, 10000, NGUESSES1);
break;
#endif
case 4:
c = look132(context, *x, *y, RANGE1, NGUESSES);
if (!c)
c = look232(context, *x, *y, RANGE1, NGUESSES);
if (!(rand() % 30))
c = 0;
if (!c)
c = look132(context, *x, *y, 10000, NGUESSES1);
if (!c)
c = look232(context, *x, *y, 10000, NGUESSES1);
}
if (!c) {
if ((context->zengine->flags & UNCOMPLETTE)) {
context->c1 = 0;
} else
context->c1 = BUTTON3, context->autime >>= 1;
}
}
}
context->autime -= times;
*x = context->x1;
*y = context->y1;
context->zengine->action->convertup(context->zengine, x, y);
/* printf("%i %i\n",*x,*y); */
*controls = context->c1;
}
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