In'side Shareware 1995 March/ish0395.iso/os2/musicmem/source/musicmem.cpp

C/C++ Source or Header | 1994-12-30 | 5KB | 242 lines

#include "easy.h"
#include "musicmem.h"

#include <time.h>
#include <math.h>

Program program;

class MainWindow : public StandardWindow
{   char Text[256];
    public :
    Flag Active;
    MainWindow (int id, char *title) :
        StandardWindow(id,title,
            StandardWindow::normal_nosize|StandardWindow::menu|
            StandardWindow::min),
        Active(1)
    {   strcpy(Text,String(5));
        init();
        size(300,350);
        top();
    }
    virtual void redraw (PS &ps);
    virtual void clicked (LONG x, LONG y, clicktype type);
    void drawtext (PS &ps);
    void settext (char *s);
} window(ID_Window,String(1));

void MainWindow::drawtext (PS &ps)
{    ps.move(0,300);
    ps.backarea(300,50);
    ps.move(150,325);
    ps.text(Text,Colors::black,
        Alignment::center,Alignment::middle);
}

void MainWindow::settext (char *s)
{    strcpy(Text,s);
    WindowPS ps(*this);
    drawtext(ps);
}

Menu menu(window);

const int maxsize=512;
double duration=0.5;
int frequency[4]={220,294,330,440};

int arc[4][4]=
{    155,155,0,90,
    145,155,90,180,
    145,145,180,270,
    155,145,270,360
};

LONG darkcol[4]={CLR_DARKRED,CLR_DARKGREEN,
        CLR_DARKBLUE,CLR_BROWN},
    lightcol[4]={CLR_RED,CLR_GREEN,CLR_BLUE,CLR_YELLOW};

void dark (PS &ps, int i)
{    ps.filledpie(arc[i][0],arc[i][1],120,1,
        arc[i][2],arc[i][3],CLR_WHITE,darkcol[i]);
}

void light (PS &ps, int i)
{    ps.filledpie(arc[i][0],arc[i][1],120,1,
        arc[i][2],arc[i][3],CLR_WHITE,lightcol[i]);
}

class Clickcheck // checks for double clicks
{    int Last;
    public :
    Clickcheck () : Last(-1) {}
    void reset () { Last=-1; }
    int check (int i);
} clickcheck;

int Clickcheck::check (int i)
{    if (i==Last) return 0;
    Last=i;
    return 1;
}

class Music
{   int N[512];
    int L,W;
    Flag Mark;
    public :
    Music () : L(0),W(0),Mark(0) {}
    void reset () { L=0; W=0; clickcheck.reset(); }
    void add ();
    void play (int i);
    void play ();
    int wait (int i);
    int done () { return W>=L; }
    int length () { return L; }
    void mark ()
    {    Mark.set();
        window.Active.clear();
        program.clear_messages();
        window.Active.set();
    }
    int marking ();
    int empty () { return L==0; }
} music;

int Music::marking ()
{    if (Mark)
    {    Mark.clear();
        play();
        return 1;
    }
    return 0;
}

int Music::wait (int i)
{    int res=(N[W]==i);
    W++;
    return res;
}

void Music::add ()
{   if (L>=512) return;
    do
    {    N[L]=rand()%4;
    } while (N[L]==N[L-1] && L>0);
    L++;
    W=0;
}

void Music::play (int i)
{    WindowPS ps(window);
    dark(ps,i);
    Beep(frequency[i],duration);
    light(ps,i);
}

void Music::play ()
{    int i;
    WindowPS ps(window);
    for (i=0; i<L; i++)
    {    dark(ps,N[i]);
        Beep(frequency[N[i]],duration);
        light(ps,N[i]);
    }
    W=0;
    char text[256];
    sprintf(text,String(6),L);
    window.settext(text);
}

void MainWindow::redraw (PS &ps)
{    int i;
    ps.erase();
    ps.filledcircle(150,150,140,1,
        CLR_BLACK,CLR_DARKGRAY);
    for (i=0; i<4; i++) light(ps,i);
    drawtext(ps);
}

void MainWindow::clicked (LONG x, LONG y, clicktype type)
{    if (type!=button1up || !window.Active) return;
    if (music.empty())
    {    music.add();
        music.add();
        music.play();
        return;
    }
    if (music.marking()) return;
    x-=150; y-=150;
    if (abs(x)<5 || abs(y)<5) return;
    if (x>0) x-=5;
    else x+=5;
    if (y<0) y-=5;
    else y+=5;
    if (sqrt((double)x*x+(double)y*y)>120) return;
    int i;
    if (x>0)
        if (y>0) i=0; else i=3;
    else
        if (y<0) i=2; else i=1;
    if (!clickcheck.check(i)) return;
    if (music.wait(i))
    {   if (music.done())
        {   music.play(i);
            window.settext(String(7));
            music.add();
            music.mark();
            clickcheck.reset();
        }
        else music.play(i);
    }
    else
    {    char msg[256];
        sprintf(msg,String(2),music.length());
        Message(msg,String(1),window);
        music.play();
        if (Question(String(3),String(1),window)
                ==Answers::no)
            return;
        music.reset();
        music.add();
        music.add();
        window.settext(String(5));
        music.mark();
    }
}

void doabort ()
{    window.quit();
}

void donewgame ()
{    music.reset();
    music.add();
    music.add();
    music.play();
}

void dorepeat ()
{    music.play();
}

Help help(window,ID_Help,String(4),String(1));

void dohelp ()
{    help.general();
}

int main (int argc, char *argv[])
{   if (argc==2) duration=atoi(argv[1])/1000;
    time_t t;
    srand(time(&t));
    menu.add(IDM_Help,dohelp);
    menu.add(IDM_Abort,doabort);
    menu.add(IDM_NewGame,donewgame);
    menu.add(IDM_Repeat,dorepeat);
    program.loop();
    return 0;
}