//============================================================================

//----------------------------------------------------------------------------

//                              Glypha IV 1.0

//                              by  Scheherazade

//----------------------------------------------------------------------------

//============================================================================

// Here is the "main" file for Glypha.  Here is where the game begins and ends.

// Also included are the preference calls.

#include <Sound.h>

#include "G4Externs.h"

#define kPrefsVersion           0x0002

void ReadInPrefs (void);

void WriteOutPrefs (void);

void main (void);

prefsInfo   thePrefs;

long        wasVolume;

extern  Boolean     quitting, playing, pausing, evenFrame;

void UpdateMainWindow (void);

//==============================================================  Functions

//--------------------------------------------------------------  ReadInPrefs

//  This function loads up the preferences.  If the preferences 

//  aren't found, all settings are set to their defaults.

void ReadInPrefs (void)

{

    short       i;

                            // Call LoadPrefs() function - returns TRUE if it worked.

    if (LoadPrefs(&thePrefs, kPrefsVersion))

        SetDefaultOutputVolume(thePrefs.wasVolume);

    else                    // If LoadPrefs() failed, set defaults.

    {

        thePrefs.prefVersion = kPrefsVersion;               // version of prefs

        thePrefs.filler = 0;                                // just padding

        PasStringCopy("\pYour Name", thePrefs.highName);    // last highscores name

        for (i = 0; i < 10; i++)                            // loop through scores

        {

            PasStringCopy("\pNemo", thePrefs.highNames[i]); // put "Nemo" in name

            thePrefs.highScores[i] = 0L;                    // set highscore to 0

            thePrefs.highLevel[i] = 0;                      // level attained = 0

        }

        GetDefaultOutputVolume (&thePrefs.wasVolume);           // get new volume

//      GetSoundVol(&thePrefs.wasVolume);

    }

                            // Get sound volume so we can restore it.

    GetDefaultOutputVolume (&wasVolume);            // get new volume

//  GetSoundVol(&wasVolume);

}

//--------------------------------------------------------------  WriteOutPrefs

//  This function writes out the preferences to disk and restores 

//  the sound volume to its setting before Glypha was launched.

void WriteOutPrefs (void)

{

    if (!SavePrefs(&thePrefs, kPrefsVersion))

        SysBeep(1);

    SetDefaultOutputVolume(wasVolume);

}

//--------------------------------------------------------------  main

//  This is the main function.  Every C program has one of these.

//  First it initializes our program and then falls into a loop

//  until the user chooses to quit.  At that point, it cleans up

//  and exits.

void main (void)

{

    long        tickWait;

    OSStatus    theError;

    Boolean     wasPlaying = false;

    // startup DrawSprocket

    theError = DSpStartup();

    if( theError )

        RedAlert("\punable to init DrawSprocket!");

    // DSpSetDebugMode( true );

    ToolBoxInit();          // Call function that initializes the ToolBox managers.

    CheckEnvirons();        // Check the Mac we're on to see if we can run.

    OpenMainWindow();       // Open up the main window - it will fill the monitor.

    InitVariables();        // Initialize Glypha's variables.

    InitSound();            // Create sound channels and load up sounds.

    InitMenubar();          // Set up the game's menubar.

    ReadInPrefs();          // Load up the preferences.

#if GENERATINGPOWERPC

    UpdateMainWindow();

    theError = DSpContext_FadeGammaIn( NULL, NULL );

    if( theError )

        RedAlert("\pUnable to unfade the display!");

#endif

    do                      // Here begins the main loop.

    {

        HandleEvent();      // Check for events.

        if ((playing) && (!pausing))

        {

            wasPlaying = true;

            HideCursor();

            PlayGame();     // If user began game, drop in game loop. (play mode)

            ShowCursor();

        }

        else if (pausing && playing)

        {

        }

        else                // If no game, animate the screen. (idle mode)

        {

            if (Button())

            {

                Point pt;

                GetMouse(&pt);

                pt.h += (Random() % 21) - 10;

                pt.v += (Random() % 21) - 10;

                StartPixelShatter(pt.h, pt.v, 0, 0, kShatterLightningDust);

            }

            if (wasPlaying)

            {

                GameQuitGraphics();

                wasPlaying = false;

            }

            tickWait = TickCount() + 2L;

            GameIdleAnimation();

            evenFrame = !evenFrame;

        }

    }

    while (!quitting);

    KillSound();            // Dispose of sound channels.

    ShutItDown();           // Dispose of other structures.

    WriteOutPrefs();        // Save preferences to disk.

}