/****************************/

/*      MISC ROUTINES       */

/* By Brian Greenstone      */

/****************************/

/***************/

/* EXTERNALS   */

/***************/

#include <Events.h>

#include <Dialogs.h>

#include <NumberFormatting.h>

#include <QD3D.h>

#include <QD3DErrors.h>

#include "myglobals.h"

#include "misc.h"

/****************************/

/*    CONSTANTS             */

/****************************/

#define     ERROR_ALERT_ID      401

/**********************/

/*     VARIABLES      */

/**********************/

/****************** DO SYSTEM ERROR ***************/

void ShowSystemErr(long err)

{

Str255      numStr;

    NumToString(err, numStr);

    DoAlert (numStr);

    CleanQuit();

}

/*********************** DO ALERT *******************/

void DoAlert(Str255 s)

{

    ParamText(s,NIL_STRING,NIL_STRING,NIL_STRING);

    NoteAlert(ERROR_ALERT_ID,nil);

}

/*********************** DO FATAL ALERT *******************/

void DoFatalAlert(Str255 s)

{

    ParamText(s,NIL_STRING,NIL_STRING,NIL_STRING);

    NoteAlert(ERROR_ALERT_ID,nil);

    CleanQuit();

}

/************ CLEAN QUIT ***************/

void CleanQuit(void)

{

    ExitToShell();

}

/******************* FLOAT TO STRING *******************/

void FloatToString(float num, Str255 string)

{

Str255  sf;

long    i,f;

    i = num;                        // get integer part

    f = (fabs(num)-fabs((float)i)) * 10000;     // reduce num to fraction only & move decimal --> 5 places  

    if ((i==0) && (num < 0))        // special case if (-), but integer is 0

    {

        string[0] = 2;

        string[1] = '-';

        string[2] = '0';

    }

    else

        NumToString(i,string);      // make integer into string

    NumToString(f,sf);              // make fraction into string

    string[++string[0]] = '.';      // add "." into string

    if (f >= 1)

    {

        if (f < 1000)

            string[++string[0]] = '0';  // add 1000's zero

        if (f < 100)

            string[++string[0]] = '0';  // add 100's zero

        if (f < 10)

            string[++string[0]] = '0';  // add 10's zero

    }

    for (i = 0; i < sf[0]; i++)

    {

        string[++string[0]] = sf[i+1];  // copy fraction into string

    }

}