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- /*
- Command-line / Command-File Parser Routines
- This module is linked as an overlay, use ENTER_OVLY and EXIT_OVLY.
- */
-
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
- #include <float.h>
- #include <ctype.h>
- #include "fractint.h"
- #ifdef __TURBOC__
- #include <dir.h>
- #endif
-
- #ifdef XFRACT
- #define DEFAULT_PRINTER 5 /* Assume a Postscript printer */
- #define PRT_RESOLUTION 100 /* Assume medium resolution */
- #define INIT_GIF87 1 /* Turn off GIF 89a processing */
- #else
- #define DEFAULT_PRINTER 2 /* Assume an IBM/Epson printer */
- #define PRT_RESOLUTION 60 /* Assume low resolution */
- #define INIT_GIF87 0 /* Turn on GIF 89a processing */
- #endif
-
- /* routines in this module */
-
- void cmdfiles_overlay(void);
- int cmdfiles(int argc, char *argv[]);
- int load_commands(FILE *);
- void set_3d_defaults(void);
-
- static int cmdfile(FILE *,int);
- static int next_command(char *,int,FILE *,char *,int *,int);
- static int next_line(FILE *,char *,int);
- static int cmdarg(char *,int);
- static void argerror(char *);
- static void initvars_run(void);
- static void initvars_restart(void);
- static void initvars_fractal(void);
- static void initvars_3d(void);
- static void reset_ifs_defn(void);
- static void parse_textcolors(char *value);
- static int parse_colors(char *value);
- static int parse_printer(char *value);
-
- extern int makedoc_msg_func(int,int);
-
- /* variables defined by the command line/files processor */
- int showdot; /* color to show crawling graphics cursor */
- char temp1[256]; /* temporary strings */
- char readname[80]; /* name of fractal input file */
- char gifmask[13] = {""};
- char PrintName[80]={"fract001.prn"}; /* Name for print-to-file */
- char savename[80]={"fract001"}; /* save files using this name */
- char autoname[80]={"auto.key"}; /* record auto keystrokes here */
- int potflag=0; /* continuous potential enabled? */
- int pot16bit; /* store 16 bit continuous potential values */
- int gif87a_flag; /* 1 if GIF87a format, 0 otherwise */
- int askvideo; /* flag for video prompting */
- char floatflag;
- int biomorph; /* flag for biomorph */
- int usr_biomorph;
- int forcesymmetry; /* force symmetry */
- int showfile; /* zero if file display pending */
- int rflag, rseed; /* Random number seeding flag and value */
- int decomp[2]; /* Decomposition coloring */
- int distest;
- int distestwidth;
- char overwrite = 0; /* 0 if file overwrite not allowed */
- int soundflag; /* 0 if sound is off, 1 if on */
- int basehertz; /* sound=x/y/x hertz value */
- int debugflag; /* internal use only - you didn't see this */
- int timerflag; /* you didn't see this, either */
- int cyclelimit; /* color-rotator upper limit */
- int inside; /* inside color: 1=blue */
- int fillcolor; /* fillcolor: -1=normal */
- int outside; /* outside color */
- int finattract; /* finite attractor logic */
- int display3d; /* 3D display flag: 0 = OFF */
- int overlay3d; /* 3D overlay flag: 0 = OFF */
- int init3d[20]; /* '3d=nn/nn/nn/...' values */
- int initbatch; /* 1 if batch run (no kbd) */
- unsigned initsavetime; /* autosave minutes */
- double initorbit[2]; /* initial orbitvalue */
- char useinitorbit; /* flag for initorbit */
- int initmode; /* initial video mode */
- int initcyclelimit; /* initial cycle limit */
- BYTE usemag; /* use center-mag corners */
- int bailout; /* user input bailout value */
- double inversion[3]; /* radius, xcenter, ycenter */
- int rotate_lo,rotate_hi; /* cycling color range */
- int far *ranges; /* iter->color ranges mapping */
- int rangeslen = 0; /* size of ranges array */
- char far *mapdacbox = NULL; /* map= (default colors) */
- int colorstate; /* 0, dacbox matches default (bios or map=) */
- /* 1, dacbox matches no known defined map */
- /* 2, dacbox matches the colorfile map */
- int colorpreloaded; /* if dacbox preloaded for next mode select */
- extern int Targa_Overlay;
- int Targa_Out = 0;
- char colorfile[80]; /* from last <l> <s> or colors=@filename */
-
- /* TARGA+ variables */
- int TPlusFlag; /* Use the TARGA+ if found */
- int MaxColorRes; /* Default Color Resolution if available */
- int PixelZoom; /* TPlus Zoom Level */
- int NonInterlaced; /* Non-Interlaced video flag */
-
- /* 3D Transparency Variables, MCP 5-30-91 */
- double xcoord, ycoord, zcoord, tcoord;
- double zzmin, zzmax; /* initial depth corner values */
- double ttmin, ttmax; /* initial time coordinates */
- int Transparent3D, SolidCore, MultiDrawing;
- int tpdepth, tptime;
- unsigned CoreRed, CoreGreen, CoreBlue, NumFrames;
-
- /* AntiAliasing variables, MCP 6-6-91 */
- int AntiAliasing, Shadowing;
-
- int orbitsave = 0; /* for IFS and LORENZ to output acrospin file */
- int orbit_delay; /* clock ticks delating orbit release */
- extern int invert;
- extern int fractype; /* fractal type */
- extern double param[4]; /* initial parameters */
- extern double xxmin,xxmax; /* initial corner values */
- extern double yymin,yymax; /* initial corner values */
- extern double xx3rd,yy3rd; /* initial corner values */
- extern char usr_stdcalcmode; /* '1', '2', 'g', 'b' */
- extern int maxit; /* max iterations */
- extern int usr_periodicitycheck; /* periodicity checking 1=on,0=off */
- extern char usr_floatflag; /* flag for float calcs */
- extern int usr_distest; /* nonzero if distance estimator option */
- extern char color_lakes; /* finite attractor flag */
- extern int haze;
- extern int RANDOMIZE;
- extern int Ambient;
- extern char light_name[];
- extern int BRIEF;
- extern int RAY;
-
- extern BYTE back_color[];
- extern BYTE dacbox[256][3];
- extern struct videoinfo far videotable[];
- extern int fpu;
- extern int iit;
-
- extern double potparam[]; /* potential parameters */
- extern int Printer_Resolution, LPTNumber,
- Printer_Type, Printer_Titleblock,
- Printer_ColorXlat, Printer_SetScreen,
- Printer_SFrequency, Printer_SAngle, Printer_SStyle,
- Printer_RFrequency, Printer_RAngle, Printer_RStyle,
- Printer_GFrequency, Printer_GAngle, Printer_GStyle,
- Printer_BFrequency, Printer_BAngle, Printer_BStyle,
- EPSFileType, ColorPS,
- Print_To_File,Printer_CRLF; /* for printer functions */
-
- int transparent[2]; /* transparency min/max values */
- int LogFlag; /* Logarithmic palette flag: 0 = no */
-
- BYTE exitmode = 3; /* video mode on exit */
-
- extern int video_type;
- extern int svga_type; /* for forcing a specific SVGA adapter */
- extern int mode7text;
- extern int textsafe;
- extern int vesa_detect;
-
- int bios_palette; /* set to 1 to force BIOS palette updates */
- int escape_exit; /* set to 1 to avoid the "are you sure?" screen */
-
- extern int viewwindow;
- extern float viewreduction;
- extern int viewcrop;
- extern float finalaspectratio;
- extern int viewxdots,viewydots;
-
- extern char MAP_name[];
- extern int mapset;
-
- extern int eyeseparation; /* Occular Separation */
- extern int glassestype;
- extern int xadjust; /* Convergence */
- extern int yadjust;
- extern int xtrans, ytrans; /* X,Y shift with no perspective */
- extern int red_crop_left, red_crop_right;
- extern int blue_crop_left, blue_crop_right;
- extern int red_bright, blue_bright;
- extern char showbox; /* flag to show box and vector in preview */
- extern char preview; /* 3D preview mode flag */
- extern int previewfactor; /* Coarsness */
-
- int first_init=1; /* first time into cmdfiles? */
- static int init_rseed;
- static char initcorners,initparams;
- struct fractalspecificstuff far *curfractalspecific;
-
- char FormFileName[80]; /* file to find (type=)formulas in */
- char FormName[ITEMNAMELEN+1]; /* Name of the Formula (if not null) */
- char LFileName[80]; /* file to find (type=)L-System's in */
- char LName[ITEMNAMELEN+1]; /* Name of L-System */
- char CommandFile[80]; /* file to find command sets in */
- char CommandName[ITEMNAMELEN+1];/* Name of Command set */
- char CommandComment1[57]; /* comments for command set */
- char CommandComment2[57];
- char IFSFileName[80]; /* file to find (type=)IFS in */
- char IFSName[ITEMNAMELEN+1]; /* Name of the IFS def'n (if not null) */
- float far *ifs_defn = NULL; /* ifs parameters */
- int ifs_changed; /* nonzero if parameters have been edited */
- int ifs_type; /* 0=2d, 1=3d */
- int slides = 0; /* 1 autokey=play, 2 autokey=record */
-
- BYTE txtcolor[]={
- BLUE*16+L_WHITE, /* C_TITLE title background */
- BLUE*16+L_GREEN, /* C_TITLE_DEV development vsn foreground */
- GREEN*16+YELLOW, /* C_HELP_HDG help page title line */
- WHITE*16+BLACK, /* C_HELP_BODY help page body */
- GREEN*16+GRAY, /* C_HELP_INSTR help page instr at bottom */
- WHITE*16+BLUE, /* C_HELP_LINK help page links */
- CYAN*16+BLUE, /* C_HELP_CURLINK help page current link */
- WHITE*16+GRAY, /* C_PROMPT_BKGRD prompt/choice background */
- WHITE*16+BLACK, /* C_PROMPT_TEXT prompt/choice extra info */
- BLUE*16+WHITE, /* C_PROMPT_LO prompt/choice text */
- BLUE*16+L_WHITE, /* C_PROMPT_MED prompt/choice hdg2/... */
- BLUE*16+YELLOW, /* C_PROMPT_HI prompt/choice hdg/cur/... */
- GREEN*16+L_WHITE, /* C_PROMPT_INPUT fullscreen_prompt input */
- CYAN*16+L_WHITE, /* C_PROMPT_CHOOSE fullscreen_prompt choice */
- MAGENTA*16+L_WHITE, /* C_CHOICE_CURRENT fullscreen_choice input */
- BLACK*16+WHITE, /* C_CHOICE_SP_INSTR speed key bar & instr */
- BLACK*16+L_MAGENTA, /* C_CHOICE_SP_KEYIN speed key value */
- WHITE*16+BLUE, /* C_GENERAL_HI tab, thinking, IFS */
- WHITE*16+BLACK, /* C_GENERAL_MED */
- WHITE*16+GRAY, /* C_GENERAL_LO */
- BLACK*16+L_WHITE, /* C_GENERAL_INPUT */
- WHITE*16+BLACK, /* C_DVID_BKGRD disk video */
- BLACK*16+YELLOW, /* C_DVID_HI */
- BLACK*16+L_WHITE, /* C_DVID_LO */
- RED*16+L_WHITE, /* C_STOP_ERR stop message, error */
- GREEN*16+BLACK, /* C_STOP_INFO stop message, info */
- BLUE*16+WHITE, /* C_TITLE_LOW bottom lines of title screen */
- GREEN*16+BLACK, /* C_AUTHDIV1 title screen dividers */
- GREEN*16+GRAY, /* C_AUTHDIV2 title screen dividers */
- BLACK*16+L_WHITE, /* C_PRIMARY primary authors */
- BLACK*16+WHITE /* C_CONTRIB contributing authors */
- };
-
- extern int active_system;
- /* start of string literals cleanup */
- char s_iter[] = "iter";
- char s_real[] = "real";
- char s_mult[] = "mult";
- char s_sum[] = "summ";
- char s_imag[] = "imag";
- char s_zmag[] = "zmag";
- char s_bof60[] = "bof60";
- char s_bof61[] = "bof61";
- char s_maxiter[] = "maxiter";
- char s_epscross[] = "epsilon cross";
- char s_startrail[] = "star trail";
- char s_normal[] = "normal";
-
-
- void cmdfiles_overlay() { } /* for restore_active_ovly */
-
- /*
- cmdfiles(argc,argv) process the command-line arguments
- it also processes the 'sstools.ini' file and any
- indirect files ('fractint @myfile')
- */
-
- int cmdfiles(int argc,char *argv[])
- {
- int i;
- char curarg[141];
- char tempstring[101];
- char *sptr;
- FILE *initfile;
-
- ENTER_OVLY(OVLY_CMDFILES);
-
- if (first_init) initvars_run(); /* once per run initialization */
- initvars_restart(); /* <ins> key initialization */
- initvars_fractal(); /* image initialization */
-
- findpath("sstools.ini", tempstring); /* look for SSTOOLS.INI */
- if (tempstring[0] != 0) /* found it! */
- if ((initfile = fopen(tempstring,"r")) != NULL)
- cmdfile(initfile,1); /* process it */
-
- for (i = 1; i < argc; i++) { /* cycle through args */
- #ifdef XFRACT
- /* Let the xfract code take a look at the argument */
- if (unixarg(argc,argv,&i)) continue;
- #endif
- strcpy(curarg,argv[i]);
- if (curarg[0] == ';') /* start of comments? */
- break;
- if (curarg[0] != '@') { /* simple command? */
- if (strchr(curarg,'=') == NULL) { /* not xxx=yyy, so check for gif */
- strcpy(tempstring,curarg);
- if (strchr(curarg,'.') == NULL)
- strcat(tempstring,".gif");
- if ((initfile = fopen(tempstring,"rb"))) {
- fread(tempstring,6,1,initfile);
- if ( tempstring[0] == 'G'
- && tempstring[1] == 'I'
- && tempstring[2] == 'F'
- && tempstring[3] >= '8' && tempstring[3] <= '9'
- && tempstring[4] >= '0' && tempstring[4] <= '9') {
- strcpy(readname,curarg);
- curarg[0] = showfile = 0;
- }
- fclose(initfile);
- }
- }
- if (curarg[0])
- cmdarg(curarg,0); /* process simple command */
- }
- else if ((sptr = strchr(curarg,'/'))) { /* @filename/setname? */
- *sptr = 0;
- strcpy(CommandFile,&curarg[1]);
- strcpy(CommandName,sptr+1);
- find_file_item(CommandFile,CommandName,&initfile);
- cmdfile(initfile,3);
- }
- else { /* @filename */
- if ((initfile = fopen(&curarg[1],"r")) == NULL)
- argerror(curarg);
- cmdfile(initfile,0);
- }
- }
-
- if (first_init == 0) {
- initmode = -1; /* don't set video when <ins> key used */
- showfile = 1; /* nor startup image file */
- }
-
- first_init = 0;
- EXIT_OVLY;
- return(0);
- }
-
-
- int load_commands(FILE *infile)
- {
- /* when called, file is open in binary mode, positioned at the */
- /* '(' or '{' following the desired parameter set's name */
- int ret;
- ENTER_OVLY(OVLY_CMDFILES);
- initcorners = initparams = 0; /* reset flags for type= */
- ret = cmdfile(infile,2);
- EXIT_OVLY;
- return ret;
- }
-
-
- static void initvars_run() /* once per run init */
- {
- init_rseed = (int)time(NULL);
- }
-
- static void initvars_restart() /* <ins> key init */
- {
- gif87a_flag = INIT_GIF87; /* turn on GIF89a processing */
- askvideo = 1; /* turn on video-prompt flag */
- overwrite = 0; /* don't overwrite */
- soundflag = -1; /* sound is on */
- basehertz = 440; /* basic hertz rate */
- initbatch = 0; /* not in batch mode */
- initsavetime = 0; /* no auto-save */
- initmode = -1; /* no initial video mode */
- viewwindow = 0; /* no view window */
- viewreduction = 4.2;
- viewcrop = 1;
- finalaspectratio = SCREENASPECT;
- viewxdots = viewydots = 0;
- orbit_delay = 0; /* full speed orbits */
- debugflag = 0; /* debugging flag(s) are off */
- timerflag = 0; /* timer flags are off */
- strcpy(FormFileName,"fractint.frm"); /* default formula file */
- FormName[0] = 0;
- strcpy(LFileName,"fractint.l");
- LName[0] = 0;
- strcpy(CommandFile,"fractint.par");
- CommandName[0] = CommandComment1[0] = CommandComment2[0] = 0;
- strcpy(IFSFileName,"fractint.ifs");
- IFSName[0] = 0;
- reset_ifs_defn();
- rflag = 0; /* not a fixed srand() seed */
- rseed = init_rseed;
- strcpy(readname,DOTSLASH); /* initially current directory */
- showfile = 1;
- /* next should perhaps be fractal re-init, not just <ins> ? */
- initcyclelimit=55; /* spin-DAC default speed limit */
- mapset = 0; /* no map= name active */
- if (mapdacbox) {
- farmemfree(mapdacbox);
- mapdacbox = NULL;
- }
- TPlusFlag = 1;
- MaxColorRes = 8;
- PixelZoom = 0;
- NonInterlaced = 0;
-
- Transparent3D = 0;
- SolidCore = 1;
- CoreRed = 128;
- CoreGreen = 128;
- CoreBlue = 128;
- zzmin = -1.5;
- zzmax = 1.5;
- ttmin = 0.0;
- ttmax = 0.0;
- NumFrames = 1;
- tpdepth = tptime = 0;
-
- AntiAliasing = 0;
- Shadowing = 0;
-
- Printer_Type = DEFAULT_PRINTER; /* assume an IBM/EPSON */
- Printer_Resolution = PRT_RESOLUTION; /* assume low resolution */
- Printer_Titleblock = 0; /* assume no title block */
- Printer_ColorXlat = 0; /* assume positive image */
- Printer_SetScreen = 0; /* assume default screen */
- Printer_SFrequency = 45; /* New screen frequency K */
- Printer_SAngle = 45; /* New screen angle K */
- Printer_SStyle = 1; /* New screen style K */
- Printer_RFrequency = 45; /* New screen frequency R */
- Printer_RAngle = 75; /* New screen angle R */
- Printer_RStyle = 1; /* New screen style R */
- Printer_GFrequency = 45; /* New screen frequency G */
- Printer_GAngle = 15; /* New screen angle G */
- Printer_GStyle = 1; /* New screen style G */
- Printer_BFrequency = 45; /* New screen frequency B */
- Printer_BAngle = 0; /* New screen angle B */
- Printer_BStyle = 1; /* New screen style B */
- #ifndef XFRACT
- Print_To_File = 0; /* No print-to-file */
- Printer_CRLF = 0; /* Assume CR+LF */
- #else
- Print_To_File = 1; /* Print-to-file */
- Printer_CRLF = 2; /* Assume LF */
- #endif
- EPSFileType = 0; /* Assume no save to .EPS */
- LPTNumber = 1; /* assume LPT1 */
- ColorPS = 0; /* Assume NO Color PostScr*/
-
- }
-
- static void initvars_fractal() /* init vars affecting calculation */
- {
- int i;
- bios_palette = 0; /* don't force use of a BIOS palette */
- escape_exit = 0; /* don't disable the "are you sure?" screen */
- usr_periodicitycheck = 1; /* turn on periodicity */
- inside = 1; /* inside color = blue */
- fillcolor = -1; /* no special fill color */
- usr_biomorph = -1; /* turn off biomorph flag */
- outside = -1; /* outside color = -1 (not used) */
- maxit = 150; /* initial maxiter */
- usr_stdcalcmode = 'g'; /* initial solid-guessing */
- usr_floatflag = 0; /* turn off the float flag */
- finattract = 0; /* disable finite attractor logic */
- fractype = 0; /* initial type Set flag */
- curfractalspecific = &fractalspecific[0];
- initcorners = initparams = 0;
- bailout = 0; /* no user-entered bailout */
- useinitorbit = 0;
- for (i = 0; i < 4; i++) param[i] = 0.0; /* initial parameter values */
- for (i = 0; i < 3; i++) potparam[i] = 0.0; /* initial potential values */
- for (i = 0; i < 3; i++) inversion[i] = 0.0; /* initial invert values */
- initorbit[0] = initorbit[1] = 0.0; /* initial orbit values */
- invert = 0;
- decomp[0] = decomp[1] = 0;
- usr_distest = 0;
- distestwidth = 71;
- forcesymmetry = 999; /* symmetry not forced */
- xx3rd = xxmin = -2.5; xxmax = 1.5; /* initial corner values */
- yy3rd = yymin = -1.5; yymax = 1.5; /* initial corner values */
- pot16bit = potflag = 0;
- LogFlag = 0; /* no logarithmic palette */
- set_trig_array(0,"sin"); /* trigfn defaults */
- set_trig_array(1,"sqr");
- set_trig_array(2,"sinh");
- set_trig_array(3,"cosh");
- if (rangeslen) {
- farmemfree((char far *)ranges);
- rangeslen = 0;
- }
- usemag = 0; /* use corners, not center-mag */
-
- colorstate = colorpreloaded = 0;
- rotate_lo = 1; rotate_hi = 255; /* color cycling default range */
-
- display3d = 0; /* 3D display is off */
- overlay3d = 0; /* 3D overlay is off */
-
- initvars_3d();
- }
-
- static void initvars_3d() /* init vars affecting 3d */
- {
- RAY = 0;
- BRIEF = 0;
- SPHERE = FALSE;
- preview = 0;
- showbox = 0;
- xadjust = 0;
- yadjust = 0;
- eyeseparation = 0;
- glassestype = 0;
- previewfactor = 20;
- red_crop_left = 4;
- red_crop_right = 0;
- blue_crop_left = 0;
- blue_crop_right = 4;
- red_bright = 80;
- blue_bright = 100;
- transparent[0] = transparent[1] = 0; /* no min/max transparency */
- set_3d_defaults();
- }
-
- static void reset_ifs_defn()
- {
- if (ifs_defn) {
- farmemfree((char far *)ifs_defn);
- ifs_defn = NULL;
- }
- }
-
-
- static int cmdfile(FILE *handle,int mode)
- /* mode = 0 command line @filename */
- /* 1 sstools.ini */
- /* 2 <@> command after startup */
- /* 3 command line @filename/setname */
- {
- /* note that cmdfile could be open as text OR as binary */
- /* binary is used in @ command processing for reasonable speed note/point */
- int i;
- int lineoffset = 0;
- int changeflag = 0; /* &1 fractal stuff chgd, &2 3d stuff chgd */
- char linebuf[513],cmdbuf[1001];
- if (mode == 2 || mode == 3) {
- while ((i = getc(handle)) != '{' && i != EOF) { }
- CommandComment1[0] = CommandComment2[0] = 0;
- }
- linebuf[0] = 0;
- while (next_command(cmdbuf,1000,handle,linebuf,&lineoffset,mode) > 0) {
- if ((mode == 2 || mode == 3) && strcmp(cmdbuf,"}") == 0) break;
- if ((i = cmdarg(cmdbuf,mode)) < 0) break;
- changeflag |= i;
- }
- fclose(handle);
- return changeflag;
- }
-
- static int next_command(char *cmdbuf,int maxlen,
- FILE *handle,char *linebuf,int *lineoffset,int mode)
- {
- int cmdlen = 0;
- char *lineptr;
- lineptr = linebuf + *lineoffset;
- while(1) {
- while (*lineptr <= ' ' || *lineptr == ';') {
- if (cmdlen) { /* space or ; marks end of command */
- cmdbuf[cmdlen] = 0;
- *lineoffset = lineptr - linebuf;
- return cmdlen;
- }
- while (*lineptr && *lineptr <= ' ')
- ++lineptr; /* skip spaces and tabs */
- if (*lineptr == ';' || *lineptr == 0) {
- if (*lineptr == ';'
- && (mode == 2 || mode == 3)
- && (CommandComment1[0] == 0 || CommandComment2[0] == 0)) {
- /* save comment */
- while (*(++lineptr)
- && (*lineptr == ' ' || *lineptr == '\t')) { }
- if (*lineptr) {
- if (strlen(lineptr) > 56)
- *(lineptr+56) = 0;
- if (CommandComment1[0] == 0)
- strcpy(CommandComment1,lineptr);
- else
- strcpy(CommandComment2,lineptr);
- }
- }
- if (next_line(handle,linebuf,mode) != 0)
- return(-1); /* eof */
- lineptr = linebuf; /* start new line */
- }
- }
- if (*lineptr == '\\' /* continuation onto next line? */
- && *(lineptr+1) == 0) {
- if (next_line(handle,linebuf,mode) != 0) {
- argerror(cmdbuf); /* missing continuation */
- return(-1);
- }
- lineptr = linebuf;
- while (*lineptr && *lineptr <= ' ')
- ++lineptr; /* skip white space @ start next line */
- continue; /* loop to check end of line again */
- }
- cmdbuf[cmdlen] = *(lineptr++); /* copy character to command buffer */
- if (++cmdlen >= maxlen) { /* command too long? */
- argerror(cmdbuf);
- return(-1);
- }
- }
- }
-
- static int next_line(FILE *handle,char *linebuf,int mode)
- {
- int toolssection;
- char tmpbuf[10];
- toolssection = 0;
- while (file_gets(linebuf,512,handle) >= 0) {
- if (mode == 1 && linebuf[0] == '[') { /* check for [fractint] */
- strncpy(tmpbuf,&linebuf[1],9);
- tmpbuf[9] = 0;
- strlwr(tmpbuf);
- toolssection = strncmp(tmpbuf,"fractint]",9);
- continue; /* skip tools section heading */
- }
- if (toolssection == 0) return(0);
- }
- return(-1);
- }
-
-
- /*
- cmdarg(string,mode) processes a single command-line/command-file argument
- return:
- -1 error, >= 0 ok
- if ok, return value:
- | 1 means fractal parm has been set
- | 2 means 3d parm has been set
- | 4 means 3d=yes specified
- | 8 means reset specified
- */
-
- static int cmdarg(char *curarg,int mode) /* process a single argument */
- {
- char variable[21]; /* variable name goes here */
- char *value; /* pointer to variable value */
- int valuelen; /* length of value */
- int numval; /* numeric value of arg */
- #define NONNUMERIC -32767
- char charval; /* first character of arg */
- int yesnoval; /* 0 if 'n', 1 if 'y', -1 if not */
- double ftemp;
- int i, j, k, l;
- char *argptr,*argptr2;
- int totparms; /* # of / delimited parms */
- int intparms; /* # of / delimited ints */
- int floatparms; /* # of / delimited floats */
- int intval[64]; /* pre-parsed integer parms */
- double floatval[16]; /* pre-parsed floating parms */
- char tmpc;
- int lastarg;
-
- argptr = curarg;
- while (*argptr) { /* convert to lower case */
- if (*argptr >= 'A' && *argptr <= 'Z')
- *argptr += 'a' - 'A';
- if (*argptr == '=' && strncmp(curarg,"colors=",7) == 0)
- break; /* don't convert colors=value */
- ++argptr;
- }
-
- if ((value = strchr(&curarg[1],'='))) {
- if ((j = (value++) - curarg) > 1 && curarg[j-1] == ':')
- --j; /* treat := same as = */
- }
- else
- value = curarg + (j = strlen(curarg));
- if (j > 20) goto badarg; /* keyword too long */
- strncpy(variable,curarg,j); /* get the variable name */
- variable[j] = 0; /* truncate variable name */
- valuelen = strlen(value); /* note value's length */
- charval = value[0]; /* first letter of value */
- yesnoval = -1; /* note yes|no value */
- if (charval == 'n') yesnoval = 0;
- if (charval == 'y') yesnoval = 1;
-
- argptr = value;
- numval = totparms = intparms = floatparms = 0;
- while (*argptr) { /* count and pre-parse parms */
- lastarg = 0;
- if ((argptr2 = strchr(argptr,'/')) == NULL) { /* find next '/' */
- argptr2 = argptr + strlen(argptr);
- *argptr2 = '/';
- lastarg = 1;
- }
- if (totparms == 0) numval = NONNUMERIC;
- i = -1;
- if (sscanf(argptr,"%d%c",&j,&tmpc) > 0 /* got an integer */
- && tmpc == '/') {
- ++floatparms; ++intparms;
- if (totparms < 16) floatval[totparms] = j;
- if (totparms < 64) intval[totparms] = j;
- if (totparms == 0) numval = j;
- }
- #ifndef XFRACT
- else if (sscanf(argptr,"%lg%c",&ftemp,&tmpc) > 0 /* got a float */
- #else
- else if (sscanf(argptr,"%lf%c",&ftemp,&tmpc) > 0 /* got a float */
- #endif
- && tmpc == '/') {
- ++floatparms;
- if (totparms < 16) floatval[totparms] = ftemp;
- }
- ++totparms;
- argptr = argptr2; /* on to the next */
- if (lastarg)
- *argptr = 0;
- else
- ++argptr;
- }
-
- if (mode != 2) { /* these commands are allowed only at startup */
-
- if (strcmp(variable,"batch") == 0 ) { /* batch=? */
- if (yesnoval < 0) goto badarg;
- initbatch = yesnoval;
- return 3;
- }
-
- if (strcmp(variable,"adapter") == 0 ) { /* adapter==? */
-
- if (strncmp(value,"aheada",6) == 0) svga_type = 1;
- if (strncmp(value,"ati" ,3) == 0) svga_type = 2;
- if (strncmp(value,"chi" ,3) == 0) svga_type = 3;
- if (strncmp(value,"eve" ,3) == 0) svga_type = 4;
- if (strncmp(value,"gen" ,3) == 0) svga_type = 5;
- if (strncmp(value,"ncr" ,3) == 0) svga_type = 6;
- if (strncmp(value,"oak" ,3) == 0) svga_type = 7;
- if (strncmp(value,"par" ,3) == 0) svga_type = 8;
- if (strncmp(value,"tri" ,3) == 0) svga_type = 9;
- if (strncmp(value,"tseng3",6) == 0) svga_type = 10;
- if (strncmp(value,"tseng4",6) == 0) svga_type = 11;
- if (strncmp(value,"vid" ,3) == 0) svga_type = 12;
- if (strncmp(value,"aheadb",6) == 0) svga_type = 13;
- if (strncmp(value,"null" ,4) == 0) svga_type = 14; /* for testing only */
- if (svga_type != 0) return 3;
-
- video_type = 5; /* assume video=vga */
- if (strcmp(value,"egamono") == 0) {
- video_type = 3;
- mode7text = 1;
- }
- else if (strcmp(value,"hgc")) { /* video = hgc */
- video_type = 1;
- mode7text = 1;
- }
- else if (strcmp(value,"ega")) /* video = ega */
- video_type = 3;
- else if (strcmp(value,"cga")) /* video = cga */
- video_type = 2;
- else if (strcmp(value,"mcga")) /* video = mcga */
- video_type = 4;
- else if (strcmp(value,"vga")) /* video = vga */
- video_type = 5;
- else
- goto badarg;
- return 3;
- }
-
- if (strcmp(variable,"textsafe") == 0 ) { /* textsafe==? */
- if (first_init) {
- if (charval == 'n') /* no */
- textsafe = 2;
- else if (charval == 'y') /* yes */
- textsafe = 1;
- else if (charval == 'b') /* bios */
- textsafe = 3;
- else if (charval == 's') /* save */
- textsafe = 4;
- else
- goto badarg;
- }
- return 3;
- }
-
- if (strcmp(variable, "vesadetect") == 0) {
- if (yesnoval < 0) goto badarg;
- vesa_detect = yesnoval;
- return 3;
- }
-
- if (strcmp(variable, "biospalette") == 0) {
- if (yesnoval < 0) goto badarg;
- bios_palette = yesnoval;
- return 3;
- }
-
- if (strcmp(variable, "exitnoask") == 0) {
- if (yesnoval < 0) goto badarg;
- escape_exit = yesnoval;
- return 3;
- }
-
- if (strcmp(variable,"fpu") == 0) {
- if (strcmp(value,"iit") == 0) {
- fpu = 387;
- iit = 1;
- return 0;
- }
- if (strcmp(value,"noiit") == 0) {
- iit = -2;
- return 0;
- }
- if (strcmp(value,"387") == 0) {
- fpu = 387;
- iit = -2;
- return 0;
- }
- goto badarg;
- }
-
- if (strcmp(variable,"makedoc") == 0) {
- print_document(*value ? value : "fractint.doc", makedoc_msg_func, 0);
- goodbye();
- }
-
- } /* end of commands allowed only at startup */
-
- if (strcmp(variable,"reset") == 0) {
- initvars_fractal();
- return 9;
- }
-
- if (strcmp(variable,"filename") == 0) { /* filename=? */
- if (charval == '.') {
- if (valuelen > 4) goto badarg;
- gifmask[0] = '*';
- gifmask[1] = 0;
- strcat(gifmask,value);
- return 0;
- }
- if (valuelen > 79) goto badarg;
- if (mode == 2 && display3d == 0) /* can't do this in @ command */
- goto badarg;
- strcpy(readname,value);
- showfile = 0;
- return 3;
- }
-
- if (strcmp(variable,"video") == 0) { /* video=? */
- if (active_system == 0) {
- if ((k = check_vidmode_keyname(value)) == 0) goto badarg;
- initmode = -1;
- for (i = 0; i < MAXVIDEOTABLE; ++i) {
- if (videotable[i].keynum == k) {
- initmode = i;
- break;
- }
- }
- if (initmode == -1) goto badarg;
- }
- return 3;
- }
-
- if (strcmp(variable,"map") == 0 ) { /* map=, set default colors */
- if (valuelen > 79 || SetColorPaletteName(value) != 0) goto badarg;
- mapset = 1;
- strcpy(MAP_name,value);
- return 0;
- }
-
- if (strcmp(variable,"colors") == 0) { /* colors=, set current colors */
- if (parse_colors(value) < 0) goto badarg;
- return 0;
- }
-
- if (strcmp(variable, "tplus") == 0) { /* Use the TARGA+ if found? */
- if (yesnoval < 0) goto badarg;
- TPlusFlag = yesnoval;
- return 0;
- }
-
- if (strcmp(variable, "noninterlaced") == 0) {
- if (yesnoval < 0) goto badarg;
- NonInterlaced = yesnoval;
- return 0;
- }
-
- if (strcmp(variable, "maxcolorres") == 0) { /* Change default color resolution */
- if (numval == 1 || numval == 4 || numval == 8 ||
- numval == 16 || numval == 24) {
- MaxColorRes = numval;
- return 0;
- }
- goto badarg;
- }
-
- if (strcmp(variable, "pixelzoom") == 0) {
- if (numval < 5)
- PixelZoom = numval;
- return 0;
- }
-
- /* keep this for backward compatibility */
- if (strcmp(variable,"warn") == 0 ) { /* warn=? */
- if (yesnoval < 0) goto badarg;
- overwrite = yesnoval ^ 1;
- return 0;
- }
- if (strcmp(variable,"overwrite") == 0 ) { /* overwrite=? */
- if (yesnoval < 0) goto badarg;
- overwrite = yesnoval;
- return 0;
- }
-
- if (strcmp(variable,"gif87a") == 0 ) { /* gif87a=? */
- if (yesnoval < 0) goto badarg;
- gif87a_flag = yesnoval;
- return 0;
- }
-
- if (strcmp(variable,"savetime") == 0) { /* savetime=? */
- initsavetime = numval;
- return 0;
- }
-
- if (strcmp(variable,"autokey") == 0) { /* autokey=? */
- if (strcmp(value,"record")==0)
- slides=2;
- else if (strcmp(value,"play")==0)
- slides=1;
- else
- goto badarg;
- return 0;
- }
-
- if(strcmp(variable, "solidcore") == 0) {
- SolidCore = yesnoval;
- return(0);
- }
-
- if(strcmp(variable, "antialias") == 0) {
- if(numval < 0 || numval > 8)
- goto badarg;
- AntiAliasing = numval;
- return(0);
- }
-
- if(strcmp(variable, "transparent3d") == 0) {
- Transparent3D = yesnoval;
- return(0);
- }
-
- if(strcmp(variable, "corecolor") == 0) {
- if(floatparms != totparms || totparms != 3)
- goto badarg;
- CoreRed = (int)floatval[0];
- CoreGreen = (int)floatval[1];
- CoreBlue = (int)floatval[2];
- return(0);
- }
-
- if(strcmp(variable, "mdcorners") == 0) {
- if(floatparms != totparms || totparms < 2 || totparms > 4)
- goto badarg;
- zzmin = floatval[0];
- zzmax = floatval[1];
- if(totparms >= 3)
- ttmin = floatval[2];
- if(totparms == 4)
- ttmax = floatval[3];
- return(0);
- }
-
- if(strcmp(variable, "numframes") == 0) {
- NumFrames = numval;
- return(0);
- }
-
- if (strcmp(variable,"autokeyname") == 0) { /* autokeyname=? */
- strcpy(autoname,value);
- return 0;
- }
-
- if (strcmp(variable,"type") == 0 ) { /* type=? */
- if (value[valuelen-1] == '*')
- value[--valuelen] = 0;
- /* kludge because type ifs3d has an asterisk in front */
- if(strcmp(value,"ifs3d")==0)
- value[3]=0;
- for (k = 0; fractalspecific[k].name != NULL; k++)
- if (strcmp(value,fractalspecific[k].name) == 0)
- break;
- if (fractalspecific[k].name == NULL) goto badarg;
- curfractalspecific = &fractalspecific[fractype = k];
- if (initcorners == 0) {
- xx3rd = xxmin = curfractalspecific->xmin;
- xxmax = curfractalspecific->xmax;
- yy3rd = yymin = curfractalspecific->ymin;
- yymax = curfractalspecific->ymax;
- }
- if (initparams == 0)
- for (k = 0; k < 4; ++k) {
- param[k] = curfractalspecific->paramvalue[k];
- roundfloatd(¶m[k]);
- }
- return 1;
- }
-
- if (strcmp(variable,"inside") == 0 ) { /* inside=? */
- if(strcmp(value,s_zmag)==0)
- inside = -59;
- else if(strcmp(value,s_bof60)==0)
- inside = -60;
- else if(strcmp(value,s_bof61)==0)
- inside = -61;
- else if(strncmp(value,s_epscross,3)==0)
- inside = -100;
- else if(strncmp(value,s_startrail,4)==0)
- inside = -101;
- else if(strcmp(value,s_maxiter)==0)
- inside = -1;
- else if(numval == NONNUMERIC)
- goto badarg;
- else
- inside = numval;
- return 1;
- }
- if (strcmp(variable,"fillcolor") == 0 ) { /* fillcolor */
- if(strcmp(value,s_normal)==0)
- fillcolor = -1;
- else if(numval == NONNUMERIC)
- goto badarg;
- else
- fillcolor = numval;
- return 1;
- }
-
- if (strcmp(variable,"finattract") == 0 ) { /* finattract=? */
- if (yesnoval < 0) goto badarg;
- finattract = yesnoval;
- return 1;
- }
-
- if (strcmp(variable,"function") == 0) { /* function=?,? */
- k = 0;
- while (*value && k < 4) {
- if(set_trig_array(k++,value)) goto badarg;
- if ((value = strchr(value,'/')) == NULL) break;
- ++value;
- }
- return 1;
- }
-
- if (strcmp(variable,"outside") == 0 ) { /* outside=? */
- if(strcmp(value,s_iter)==0)
- outside = -1;
- if(strcmp(value,s_real)==0)
- outside = -2;
- else if(strcmp(value,s_imag)==0)
- outside = -3;
- else if(strcmp(value,s_mult)==0)
- outside = -4;
- else if(strcmp(value,s_sum)==0)
- outside = -5;
-
- else if(numval == NONNUMERIC)
- goto badarg;
- else if(numval < -5 || numval > 255) goto badarg;
- else outside = numval;
- return 1;
- }
-
- if (strcmp(variable,s_maxiter) == 0) { /* maxiter=? */
- if (numval < 2) goto badarg;
- maxit = numval;
- return 1;
- }
-
- if (strcmp(variable,"iterincr") == 0) /* iterincr=? */
- return 0;
-
- if (strcmp(variable,"passes") == 0) { /* passes=? */
- if ( charval != '1' && charval != '2'
- && charval != 'g' && charval != 'b'
- && charval != 't')
- goto badarg;
- usr_stdcalcmode = charval;
- return 1;
- }
-
- if (strcmp(variable,"cyclelimit") == 0 ) { /* cyclelimit=? */
- if (numval <= 1 || numval > 256) goto badarg;
- initcyclelimit = numval;
- return 0;
- }
-
- if (strcmp(variable,"cyclerange") == 0) {
- if (totparms < 2) intval[1] = 255;
- if (totparms < 1) intval[0] = 1;
- if (totparms != intparms
- || intval[0] < 0 || intval[1] > 255 || intval[0] > intval[1])
- goto badarg;
- rotate_lo = intval[0];
- rotate_hi = intval[1];
- return 0;
- }
-
- if (strcmp(variable,"ranges") == 0) {
- int i,j,entries,prev;
- int tmpranges[128];
- if (totparms != intparms) goto badarg;
- entries = prev = i = 0;
- while (i < totparms) {
- if ((j = intval[i++]) < 0) { /* striping */
- if ((j = 0-j) < 1 || j >= 16384 || i >= totparms) goto badarg;
- tmpranges[entries++] = -1; /* {-1,width,limit} for striping */
- tmpranges[entries++] = j;
- j = intval[i++];
- }
- if (j < prev) goto badarg;
- tmpranges[entries++] = prev = j;
- }
- if (prev == 0) goto badarg;
- if ((ranges = (int far *)farmemalloc(2L*entries)) == NULL) {
- static char far msg[] = {"Insufficient memory for ranges="};
- stopmsg(0,msg);
- return(-1);
- }
- rangeslen = entries;
- for (i = 0; i < rangeslen; ++i)
- ranges[i] = tmpranges[i];
- return 1;
- }
-
- if (strcmp(variable,"savename") == 0) { /* savename=? */
- if (valuelen > 79) goto badarg;
- if (first_init || mode == 2)
- strcpy(savename,value);
- return 0;
- }
-
- if (strcmp(variable,"exitmode") == 0) { /* exitmode=? */
- sscanf(value,"%x",&numval);
- exitmode = numval;
- return 0;
- }
-
- if (strcmp(variable,"textcolors") == 0) {
- parse_textcolors(value);
- return 0;
- }
-
- if (strcmp(variable,"potential") == 0) { /* potential=? */
- k = 0;
- while (k < 3 && *value) {
- potparam[k++] = atoi(value);
- if ((value = strchr(value,'/')) == NULL) k = 99;
- ++value;
- }
- pot16bit = 0;
- if (k < 99) {
- if (strcmp(value,"16bit")) goto badarg;
- pot16bit = 1;
- }
- return 1;
- }
-
- if (strcmp(variable,"params") == 0) { /* params=?,? */
- if (totparms != floatparms || totparms > 4)
- goto badarg;
- for (k = 0; k < 4; ++k)
- param[k] = (k < totparms) ? floatval[k] : 0.0;
- initparams = 1;
- return 1;
- }
-
- if (strcmp(variable,"initorbit") == 0) { /* initorbit=?,? */
- if(strcmp(value,"pixel")==0)
- useinitorbit = 2;
- else {
- if (totparms != 2 || floatparms != 2) goto badarg;
- initorbit[0] = floatval[0];
- initorbit[1] = floatval[1];
- useinitorbit = 1;
- }
- return 1;
- }
-
- if (strcmp(variable,"corners") == 0) { /* corners=?,?,?,? */
- if (floatparms != totparms || (totparms != 4 && totparms != 6))
- goto badarg;
- usemag = 0;
- initcorners = 1;
- xx3rd = xxmin = floatval[0];
- xxmax = floatval[1];
- yy3rd = yymin = floatval[2];
- yymax = floatval[3];
- if (totparms == 6) {
- xx3rd = floatval[4];
- yy3rd = floatval[5];
- }
- return 1;
- }
-
- if (strcmp(variable,"center-mag") == 0) { /* center-mag=?,?,? */
- double Xctr, Yctr,Magnification,Ratio,Height, Width,Radius;
- if (totparms != floatparms
- || (totparms != 0 && totparms != 3)
- || (totparms == 3 && floatval[2] <= 0.0))
- goto badarg;
- usemag = 1;
- if (totparms == 0) return 0;
- initcorners = 1;
- Xctr = floatval[0];
- Yctr = floatval[1];
- Magnification = floatval[2];
- Radius = 1.0 / Magnification;
- Ratio = .75; /* inverse aspect ratio of screen */
- /* calculate bounds */
- Height = 2.0 * Radius;
- Width = Height / Ratio;
- yymax = Yctr + Radius;
- yy3rd = yymin = Yctr - Radius;
- xxmax = Xctr + Width / 2.0;
- xx3rd = xxmin = Xctr - Width / 2.0;
- return 1;
- }
-
- if (strcmp(variable,"invert") == 0) { /* invert=?,?,? */
- if (totparms != floatparms || (totparms != 1 && totparms != 3))
- goto badarg;
- invert = ((inversion[0] = floatval[0]) != 0.0) ? totparms : 0;
- if (totparms == 3) {
- inversion[1] = floatval[1];
- inversion[2] = floatval[2];
- }
- return 1;
- }
-
- if (strcmp(variable,"askvideo") == 0 ) { /* askvideo=? */
- if (yesnoval < 0) goto badarg;
- askvideo = yesnoval;
- return 0;
- }
-
- if (strcmp(variable,"ramvideo") == 0 ) /* ramvideo=? */
- return 0; /* just ignore and return, for old time's sake */
-
- if (strcmp(variable,"float") == 0 ) { /* float=? */
- if (yesnoval < 0) goto badarg;
- usr_floatflag = yesnoval;
- return 3;
- }
-
- if (strcmp(variable,"biomorph") == 0 ) { /* biomorph=? */
- usr_biomorph = numval;
- return 1;
- }
-
- if (strcmp(variable,"orbitsave") == 0 ) { /* orbitsave=? */
- if (yesnoval < 0) goto badarg;
- orbitsave = yesnoval;
- return 1;
- }
-
- if (strcmp(variable,"bailout") == 0 ) { /* bailout=? */
- if (numval < 4 || numval > 32000) goto badarg;
- bailout = numval;
- return 1;
- }
-
- if (strcmp(variable,"symmetry") == 0 ) { /* symmetry=? */
- if (strcmp(value,"xaxis" )==0) forcesymmetry = XAXIS;
- else if(strcmp(value,"yaxis" )==0) forcesymmetry = YAXIS;
- else if(strcmp(value,"xyaxis")==0) forcesymmetry = XYAXIS;
- else if(strcmp(value,"origin")==0) forcesymmetry = ORIGIN;
- else if(strcmp(value,"pi" )==0) forcesymmetry = PI_SYM;
- else if(strcmp(value,"none" )==0) forcesymmetry = NOSYM;
- else goto badarg;
- return 1;
- }
-
- if (strcmp(variable,"printer") == 0 ) { /* printer=? */
- if (parse_printer(value) < 0) goto badarg;
- return 0;
- }
-
- if (strcmp(variable,"printfile") == 0) { /* print-to-file? SWT */
- if (valuelen > 79) goto badarg;
- Print_To_File = 1;
- strcpy(PrintName,value);
- return 0;
- }
-
- if(strcmp(variable, "colorps") == 0) {
- ColorPS = yesnoval;
- return(0);
- }
-
- if (strcmp(variable,"epsf") == 0) { /* EPS type? SWT */
- Print_To_File = 1;
- EPSFileType = numval;
- Printer_Type = 5;
- if (strcmp(PrintName,"fract001.prn")==0)
- strcpy(PrintName,"fract001.eps");
- return 0;
- }
-
- if (strcmp(variable,"title") == 0) { /* Printer title block? SWT */
- if (yesnoval < 0) goto badarg;
- Printer_Titleblock = yesnoval;
- return 0;
- }
-
- if (strcmp(variable,"translate") == 0) { /* Translate color? SWT */
- Printer_ColorXlat=0;
- if (charval == 'y')
- Printer_ColorXlat=1;
- else if (numval > 1 || numval < -1)
- Printer_ColorXlat=numval;
- return 0;
- }
-
- if (strcmp(variable,"plotstyle") == 0) { /* plot style? SWT */
- Printer_SStyle = numval;
- return 0;
- }
-
- if (strcmp(variable,"halftone") == 0) { /* New halftoning? SWT */
- if (totparms != intparms) goto badarg;
- Printer_SetScreen=1;
- if ((totparms > 0) && ( intval[ 0] >= 0))
- Printer_SFrequency = intval[ 0];
- if ((totparms > 1) && ( intval[ 1] >= 0))
- Printer_SAngle = intval[ 1];
- if ((totparms > 2) && ( intval[ 2] >= 0))
- Printer_SStyle = intval[ 2];
- if ((totparms > 3) && ( intval[ 3] >= 0))
- Printer_RFrequency = intval[ 3];
- if ((totparms > 4) && ( intval[ 4] >= 0))
- Printer_RAngle = intval[ 4];
- if ((totparms > 5) && ( intval[ 5] >= 0))
- Printer_RStyle = intval[ 5];
- if ((totparms > 6) && ( intval[ 6] >= 0))
- Printer_GFrequency = intval[ 6];
- if ((totparms > 7) && ( intval[ 7] >= 0))
- Printer_GAngle = intval[ 7];
- if ((totparms > 8) && ( intval[ 8] >= 0))
- Printer_GStyle = intval[ 8];
- if ((totparms > 9) && ( intval[ 9] >= 0))
- Printer_BFrequency = intval[ 9];
- if ((totparms > 10) && ( intval[10] >= 0))
- Printer_BAngle = intval[10];
- if ((totparms > 11) && ( intval[11] >= 0))
- Printer_BStyle = intval[11];
- return 0;
- }
-
- if (strcmp(variable,"linefeed") == 0) { /* Use LF for printer */
- if (strcmp(value,"cr") == 0) Printer_CRLF = 1;
- else if (strcmp(value,"lf") == 0) Printer_CRLF = 2;
- else if (strcmp(value,"crlf") == 0) Printer_CRLF = 0;
- else goto badarg;
- return 0;
- }
-
- if (strcmp(variable,"comport") == 0 ) { /* Set the COM parameters */
- if ((value=strchr(value,'/')) == NULL) goto badarg;
- switch (atoi(++value)) {
- case 110: l = 0; break;
- case 150: l = 32; break;
- case 300: l = 64; break;
- case 600: l = 96; break;
- case 1200: l = 128; break;
- case 2400: l = 160; break;
- case 4800: l = 192; break;
- case 9600:
- default: l = 224; break;
- }
- if ((value=strchr(value,'/')) == NULL) goto badarg;
- for (k=0; k < strlen(value); k++) {
- switch (value[k]) {
- case '7': l |= 2; break;
- case '8': l |= 3; break;
- case 'o': l |= 8; break;
- case 'e': l |= 24; break;
- case '2': l |= 4; break;
- }
- }
- #ifndef XFRACT
- #ifndef WINFRACT
- _bios_serialcom(0,numval-1,l);
- #endif
- #endif
- return 0;
- }
-
- if (strcmp(variable,"sound") == 0 ) { /* sound=? */
- soundflag = 0;
- if (strncmp(value,"ye",2) == 0)
- soundflag = -1;
- if (charval == 'x')
- soundflag = 1;
- if (charval == 'y')
- soundflag = 2;
- if (charval == 'z')
- soundflag = 3;
- return 0;
- }
-
- if (strcmp(variable,"hertz") == 0) { /* Hertz=? */
- if (numval < 200 || numval > 10000) goto badarg;
- basehertz = numval;
- return 0;
- }
-
- if (strcmp(variable,"periodicity") == 0 ) { /* periodicity=? */
- usr_periodicitycheck=1;
- if (charval == 'n')
- usr_periodicitycheck=0;
- else if (charval == 'y')
- usr_periodicitycheck=1;
- else if (charval == 's') /* 's' for 'show' */
- usr_periodicitycheck=-1;
- else if(numval == NONNUMERIC)
- goto badarg;
- else if(numval != 0)
- usr_periodicitycheck=numval;
- return 1;
- }
-
- if (strcmp(variable,"logmap") == 0 ) { /* logmap=? */
- if (charval == 'y')
- LogFlag = 1; /* palette is logarithmic */
- else if (charval == 'n')
- LogFlag = 0;
- else if (charval == 'o')
- LogFlag = -1; /* old log palette */
- else
- LogFlag = numval;
- return 1;
- }
-
- if (strcmp(variable,"debugflag") == 0
- || strcmp(variable,"debug") == 0) { /* internal use only */
- debugflag = numval;
- timerflag = debugflag & 1; /* separate timer flag */
- debugflag -= timerflag;
- return 0;
- }
-
- if (strcmp(variable, "rseed") == 0) {
- rseed = numval;
- rflag = 1;
- return 1;
- }
-
- if (strcmp(variable, "orbitdelay") == 0) {
- orbit_delay = numval;
- return 0;
- }
-
- if (strcmp(variable, "showdot") == 0) {
- showdot=numval;
- if(showdot<0)
- showdot=0;
- return 0;
- }
-
- if (strcmp(variable, "decomp") == 0) {
- if (totparms != intparms || totparms < 1) goto badarg;
- decomp[0] = intval[0];
- decomp[1] = 0;
- if (totparms > 1) /* backward compatibility */
- bailout = decomp[1] = intval[1];
- return 1;
- }
-
- if (strcmp(variable, "distest") == 0) {
- if (totparms != intparms || totparms < 1) goto badarg;
- usr_distest = intval[0];
- distestwidth = 71;
- if (totparms > 1)
- distestwidth = intval[1];
- return 1;
- }
-
- if (strcmp(variable,"formulafile") == 0) { /* formulafile=? */
- if (valuelen > 79) goto badarg;
- strcpy(FormFileName,value);
- return 1;
- }
-
- if (strcmp(variable,"formulaname") == 0) { /* formulaname=? */
- if (valuelen > ITEMNAMELEN) goto badarg;
- strcpy(FormName,value);
- return 1;
- }
-
- if (strcmp(variable,"lfile") == 0) {
- if (valuelen > 79) goto badarg;
- strcpy(LFileName,value);
- return 1;
- }
-
- if (strcmp(variable,"lname") == 0) {
- if (valuelen > ITEMNAMELEN) goto badarg;
- strcpy(LName,value);
- return 1;
- }
-
- if (strcmp(variable,"ifsfile") == 0) {
- if (valuelen > 79) goto badarg;
- strcpy(IFSFileName,value);
- reset_ifs_defn();
- return 1;
- }
-
- if (strcmp(variable,"ifs") == 0
- || strcmp(variable,"ifs3d") == 0) { /* ifs3d for old time's sake */
- if (valuelen > ITEMNAMELEN) goto badarg;
- strcpy(IFSName,value);
- reset_ifs_defn();
- return 1;
- }
-
- if (strcmp(variable,"parmfile") == 0) {
- if (valuelen > 79) goto badarg;
- strcpy(CommandFile,value);
- return 0;
- }
-
- if (strcmp(variable,"stereo") == 0) { /* stereo=? */
- if ((numval<0) || (numval>3)) goto badarg;
- glassestype = numval;
- return 3;
- }
-
- if (strcmp(variable,"rotation") == 0) { /* rotation=?/?/? */
- if (totparms != 3 || intparms != 3) goto badarg;
- XROT = intval[0];
- YROT = intval[1];
- ZROT = intval[2];
- return 3;
- }
-
- if (strcmp(variable,"perspective") == 0) { /* perspective=? */
- if (numval == NONNUMERIC) goto badarg;
- ZVIEWER = numval;
- return 3;
- }
-
- if (strcmp(variable,"xyshift") == 0) { /* xyshift=?/? */
- if (totparms != 2 || intparms != 2) goto badarg;
- XSHIFT = intval[0];
- YSHIFT = intval[1];
- return 3;
- }
-
- if (strcmp(variable,"interocular") == 0) { /* interocular=? */
- eyeseparation = numval;
- return 3;
- }
-
- if (strcmp(variable,"converge") == 0) { /* converg=? */
- xadjust = numval;
- return 3;
- }
-
- if (strcmp(variable,"crop") == 0) { /* crop=? */
- if (totparms != 4 || intparms != 4
- || intval[0] < 0 || intval[0] > 100
- || intval[1] < 0 || intval[1] > 100
- || intval[2] < 0 || intval[2] > 100
- || intval[3] < 0 || intval[3] > 100)
- goto badarg;
- red_crop_left = intval[0];
- red_crop_right = intval[1];
- blue_crop_left = intval[2];
- blue_crop_right = intval[3];
- return 3;
- }
-
- if (strcmp(variable,"bright") == 0) { /* bright=? */
- if (totparms != 2 || intparms != 2) goto badarg;
- red_bright = intval[0];
- blue_bright = intval[1];
- return 3;
- }
-
- if (strcmp(variable,"xyadjust") == 0) { /* trans=? */
- if (totparms != 2 || intparms != 2) goto badarg;
- xtrans = intval[0];
- ytrans = intval[1];
- return 3;
- }
-
- if (strcmp(variable,"3d") == 0) { /* 3d=?/?/.. */
- if (yesnoval < 0) goto badarg;
- display3d = yesnoval;
- initvars_3d();
- return (display3d) ? 6 : 2;
- }
-
- if (strcmp(variable,"sphere") == 0 ) { /* sphere=? */
- if (yesnoval < 0) goto badarg;
- SPHERE = yesnoval;
- return 2;
- }
-
- if (strcmp(variable,"scalexyz") == 0) { /* scalexyz=?/?/? */
- if (totparms < 2 || intparms != totparms) goto badarg;
- XSCALE = intval[0];
- YSCALE = intval[1];
- if (totparms > 2) ROUGH = intval[2];
- return 2;
- }
-
- /* "rough" is really scale z, but we add it here for convenience */
- if (strcmp(variable,"roughness") == 0) { /* roughness=? */
- ROUGH = numval;
- return 2;
- }
-
- if (strcmp(variable,"waterline") == 0) { /* waterline=? */
- if (numval<0) goto badarg;
- WATERLINE = numval;
- return 2;
- }
-
- if (strcmp(variable,"filltype") == 0) { /* filltype=? */
- if (numval < -1 || numval > 6) goto badarg;
- FILLTYPE = numval;
- return 2;
- }
-
- if (strcmp(variable,"lightsource") == 0) { /* lightsource=?/?/? */
- if (totparms != 3 || intparms != 3) goto badarg;
- XLIGHT = intval[0];
- YLIGHT = intval[1];
- ZLIGHT = intval[2];
- return 2;
- }
-
- if (strcmp(variable,"smoothing") == 0) { /* smoothing=? */
- if (numval<0) goto badarg;
- LIGHTAVG = numval;
- return 2;
- }
-
- if (strcmp(variable,"latitude") == 0) { /* latitude=?/? */
- if (totparms != 2 || intparms != 2) goto badarg;
- THETA1 = intval[0];
- THETA2 = intval[1];
- return 2;
- }
-
- if (strcmp(variable,"longitude") == 0) { /* longitude=?/? */
- if (totparms != 2 || intparms != 2) goto badarg;
- PHI1 = intval[0];
- PHI2 = intval[1];
- return 2;
- }
-
- if (strcmp(variable,"radius") == 0) { /* radius=? */
- if (numval < 0) goto badarg;
- RADIUS = numval;
- return 2;
- }
-
- if (strcmp(variable,"transparent") == 0) { /* transparent? */
- if (totparms != intparms || totparms < 1) goto badarg;
- transparent[1] = transparent[0] = intval[0];
- if (totparms > 1) transparent[1] = intval[1];
- return 2;
- }
-
- if (strcmp(variable,"preview") == 0) { /* preview? */
- if (yesnoval < 0) goto badarg;
- preview = yesnoval;
- return 2;
- }
-
- if (strcmp(variable,"showbox") == 0) { /* showbox? */
- if (yesnoval < 0) goto badarg;
- showbox = yesnoval;
- return 2;
- }
-
- if (strcmp(variable,"coarse") == 0) { /* coarse=? */
- if (numval < 3 || numval > 2000) goto badarg;
- previewfactor = numval;
- return 2;
- }
-
- if (strcmp(variable,"randomize") == 0) { /* RANDOMIZE=? */
- if (numval<0 || numval>7) goto badarg;
- RANDOMIZE = numval;
- return 2;
- }
-
- if (strcmp(variable,"ambient") == 0) { /* ambient=? */
- if (numval<0||numval>100) goto badarg;
- Ambient = numval;
- return 2;
- }
-
- if (strcmp(variable,"haze") == 0) { /* haze=? */
- if (numval<0||numval>100) goto badarg;
- haze = numval;
- return 2;
- }
-
- if (strcmp(variable,"fullcolor") == 0) { /* fullcolor=? */
- if (yesnoval < 0) goto badarg;
- Targa_Out = yesnoval;
- return 2;
- }
- if (strcmp(variable,"targa_out") == 0) { /* Targa Out? */
- if (yesnoval < 0) goto badarg;
- Targa_Out = yesnoval;
- return 2;
- }
-
- if (strcmp(variable,"targa_overlay") == 0) { /* Targa Overlay? */
- if (yesnoval < 0) goto badarg;
- Targa_Overlay = yesnoval;
- return 2;
- }
-
- if (strcmp(variable,"background") == 0) { /* background=?/? */
- if (totparms != 3 || intparms != 3) goto badarg;
- for (i=0;i<3;i++)
- if (intval[i] & 0xff)
- goto badarg;
- back_color[0] = intval[0];
- back_color[1] = intval[1];
- back_color[2] = intval[2];
- return 2;
- }
-
- if (strcmp(variable,"lightname") == 0) { /* lightname=? */
- if (valuelen > 79) goto badarg;
- if (first_init || mode == 2)
- strcpy(light_name,value);
- return 0;
- }
-
- if (strcmp(variable,"ray") == 0) { /* RAY=? */
- if (numval < 0 || numval > 6) goto badarg;
- RAY = numval;
- return 2;
- }
-
- if (strcmp(variable,"brief") == 0) { /* BRIEF? */
- if (yesnoval < 0) goto badarg;
- BRIEF = yesnoval;
- return 2;
- }
-
-
- badarg:
- argerror(curarg);
- return(-1);
-
- }
-
- /* Some routines broken out of above so compiler doesn't run out of heap: */
-
- static void parse_textcolors(char *value)
- {
- int i,j,k,hexval;
- if (strcmp(value,"mono") == 0) {
- for (k = 0; k < sizeof(txtcolor); ++k)
- txtcolor[k] = BLACK*16+WHITE;
- /* C_HELP_CURLINK = C_PROMPT_INPUT = C_CHOICE_CURRENT = C_GENERAL_INPUT
- = C_AUTHDIV1 = C_AUTHDIV2 = WHITE*16+BLACK; */
- txtcolor[6] = txtcolor[12] = txtcolor[13] = txtcolor[14] = txtcolor[20]
- = txtcolor[27] = txtcolor[28] = WHITE*16+BLACK;
- /* C_TITLE = C_HELP_HDG = C_HELP_LINK = C_PROMPT_HI = C_CHOICE_SP_KEYIN
- = C_GENERAL_HI = C_DVID_HI = C_STOP_ERR
- = C_STOP_INFO = BLACK*16+L_WHITE; */
- txtcolor[0] = txtcolor[2] = txtcolor[5] = txtcolor[11] = txtcolor[16]
- = txtcolor[17] = txtcolor[22] = txtcolor[24]
- = txtcolor[25] = BLACK*16+L_WHITE;
- }
- else {
- k = 0;
- while ( k < sizeof(txtcolor)) {
- if (*value == 0) break;
- if (*value != '/') {
- sscanf(value,"%x",&hexval);
- i = (hexval / 16) & 7;
- j = hexval & 15;
- if (i == j || (i == 0 && j == 8)) /* force contrast */
- j = 15;
- txtcolor[k] = i * 16 + j;
- if ((value = strchr(value,'/')) == NULL) break;
- }
- ++value;
- ++k;
- }
- }
- }
-
- static int parse_colors(char *value)
- {
- int i,j,k;
- if (*value == '@') {
- if (strlen(value) > 80 || ValidateLuts(&value[1]) != 0) goto badcolor;
- if (display3d) {
- mapset = 1;
- strcpy(MAP_name,&value[1]);
- }
- else {
- strcpy(colorfile,&value[1]);
- colorstate = 2;
- }
- }
- else {
- int smooth;
- i = smooth = 0;
- while (*value) {
- if (i >= 256) goto badcolor;
- if (*value == '<') {
- if (i == 0 || smooth
- || (smooth = atoi(value+1)) < 2
- || (value = strchr(value,'>')) == NULL)
- goto badcolor;
- i += smooth;
- ++value;
- }
- else {
- for (j = 0; j < 3; ++j) {
- if ((k = *(value++)) < '0') goto badcolor;
- else if (k <= '9') k -= '0';
- else if (k < 'A') goto badcolor;
- else if (k <= 'Z') k -= ('A'-10);
- else if (k < '_' || k > 'z') goto badcolor;
- else k -= ('_'-36);
- dacbox[i][j] = k;
- if (smooth) {
- int start,spread,cnum;
- start = i - (spread = smooth + 1);
- cnum = 0;
- if ((k - (int)dacbox[start][j]) == 0) {
- while (++cnum < spread)
- dacbox[start+cnum][j] = k;
- }
- else {
- while (++cnum < spread)
- dacbox[start+cnum][j] =
- ( cnum *dacbox[i][j]
- + (i-(start+cnum))*dacbox[start][j]
- + spread/2 )
- / spread;
- }
- }
- }
- smooth = 0;
- ++i;
- }
- }
- if (smooth) goto badcolor;
- while (i < 256) { /* zap unset entries */
- dacbox[i][0] = dacbox[i][1] = dacbox[i][2] = 40;
- ++i;
- }
- colorstate = 1;
- }
- colorpreloaded = 1;
- return(0);
- badcolor:
- return(-1);
- }
-
- static int parse_printer(char *value)
- {
- int k;
- if (value[0]=='h' && value[1]=='p')
- Printer_Type=1; /* HP LaserJet */
- if (value[0]=='i' && value[1]=='b')
- Printer_Type=2; /* IBM Graphics */
- if (value[0]=='e' && value[1]=='p')
- Printer_Type=2; /* Epson (model?) */
- if (value[0]=='c' && value[1]=='o')
- Printer_Type=3; /* Star (Epson-Comp?) color */
- if (value[0]=='p') {
- if (value[1]=='a')
- Printer_Type=4; /* HP Paintjet (color) */
- if ((value[1]=='o' || value[1]=='s')) {
- Printer_Type=5; /* PostScript SWT */
- if (value[2]=='h' || value[2]=='l')
- Printer_Type=6;
- }
- if (value[1]=='l')
- Printer_Type=7; /* HP Plotter (semi-color) */
- }
- if (Printer_Type == 1) /* assume low resolution */
- Printer_Resolution = 75;
- else
- Printer_Resolution = 60;
- if (EPSFileType > 0) /* EPS save - force type 5 */
- Printer_Type = 5;
- if ((Printer_Type == 5) || (Printer_Type == 6))
- Printer_Resolution = 150; /* PostScript def. res. */
- if ((value=strchr(value,'/'))) {
- if ((k=atoi(++value)) >= 0) Printer_Resolution=k;
- if ((value=strchr(value,'/'))) {
- if ((k=atoi(++value))> 0) LPTNumber = k;
- if (k < 0) {
- Print_To_File = 1;
- LPTNumber = 1;
- }
- }
- }
- return(0);
- }
-
-
-
- static void argerror(char *badarg) /* oops. couldn't decode this */
- {
- static char far argerrmsg1[]={"\
- Oops. I couldn't understand the argument:\n "};
- static char far argerrmsg2[]={"\n\n\
- (see the Startup Help screens or documentation for a complete\n\
- argument list with descriptions)"};
- char msg[300];
- if (strlen(badarg) > 70) badarg[70] = 0;
- if (active_system == 0 /* DOS */
- && first_init) /* & this is 1st call to cmdfiles */
- #ifndef XFRACT
- sprintf(msg,"%Fs%s%Fs",argerrmsg1,badarg,argerrmsg2);
- else
- sprintf(msg,"%Fs%s",argerrmsg1,badarg);
- #else
- sprintf(msg,"%s%s%s",argerrmsg1,badarg,argerrmsg2);
- else
- sprintf(msg,"%s%s",argerrmsg1,badarg);
- #endif
- stopmsg(0,msg);
- }
-
- void set_3d_defaults()
- {
- ENTER_OVLY(OVLY_CMDFILES);
- ROUGH = 30;
- WATERLINE = 0;
- ZVIEWER = 0;
- XSHIFT = 0;
- YSHIFT = 0;
- xtrans = 0;
- ytrans = 0;
- LIGHTAVG = 0;
- Ambient = 20;
- RANDOMIZE = 0;
- haze = 0;
- back_color[0] = 51; back_color[1] = 153; back_color[2] = 200;
- if(SPHERE) {
- PHI1 = 180;
- PHI2 = 0;
- THETA1 = -90;
- THETA2 = 90;
- RADIUS = 100;
- FILLTYPE = 2;
- XLIGHT = 1;
- YLIGHT = 1;
- ZLIGHT = 1;
- }
- else {
- XROT = 60;
- YROT = 30;
- ZROT = 0;
- XSCALE = 90;
- YSCALE = 90;
- FILLTYPE = 0;
- if (active_system != 0)
- FILLTYPE = 2;
- XLIGHT = 1;
- YLIGHT = -1;
- ZLIGHT = 1;
- }
- EXIT_OVLY;
- }
-