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Crud.c
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C/C++ Source or Header
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1980-12-05
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854 lines
/*
crud.c Gary Teachout August 1989
lc -L Crud To compile and link with Lattice 5.0
*/
#include <exec/types.h>
#include <exec/memory.h>
#include <intuition/intuition.h>
#define FPEN 7
#define DPEN 7
#define BPEN 0
#define SIZEX 160
#define SIZEY 94
#define CMAX 8
#define PLANES 3
#define COLORS 4
#define RULESIZE ( 7 * 9 ) + 1
#define SEEDMAX 50
#define SEEDOFF ( 60 * SIZEX ) + 70
struct menubox
{
struct MenuItem item ;
struct IntuiText text ;
} ;
struct IntuitionBase *IntuitionBase ;
struct GfxBase *GfxBase ;
struct IntuiMessage *mes ;
struct Screen *screen ;
struct Window *window ;
ULONG class ;
USHORT code ;
struct NewScreen ns =
{
0 , 0 , 320 , 200 , PLANES , DPEN , BPEN , 0 ,
CUSTOMSCREEN , NULL , " Creeping Crud" , NULL , NULL
} ;
struct NewWindow
nw =
{
0 , 0 , 320 , 200 , DPEN , BPEN ,
MENUPICK | MENUVERIFY ,
SMART_REFRESH | ACTIVATE | BACKDROP | BORDERLESS ,
NULL , NULL , NULL ,
NULL , NULL , 0 , 0 , 0 , 0 , CUSTOMSCREEN
} ,
rnw = /* for string request window */
{
0 , 30 , 320 , 38 , DPEN , 3 ,
GADGETUP ,
SMART_REFRESH | ACTIVATE | WINDOWDRAG ,
NULL , NULL , NULL ,
NULL , NULL , 0 , 0 , 0 , 0 , CUSTOMSCREEN
} ;
/* string request gadgets and stuff */
struct Gadget rgadget[ 3 ] =
{
{ NULL , 4 , 13 , 312 , 8 ,
GADGHCOMP , TOGGLESELECT | RELVERIFY | STRINGCENTER , STRGADGET ,
NULL , NULL , NULL , 0 , NULL , 1 , NULL } ,
{ NULL , 8 , 25 , 100 , 10 ,
GADGHCOMP , RELVERIFY , BOOLGADGET ,
NULL , NULL , NULL , 0 , NULL , 2 , NULL } ,
{ NULL , 212 , 25 , 100 , 10 ,
GADGHCOMP , RELVERIFY , BOOLGADGET ,
NULL , NULL , NULL , 0 , NULL , 3 , NULL }
} ;
struct StringInfo reqinfo ;
UBYTE buff[ RULESIZE + 1 ] ,
ubuff[ RULESIZE + 1 ] ;
struct Border borders[ 3 ] =
{
{ -2 , -2 , 4 , 0 , JAM1 , 5 } ,
{ -1 , -1 , 2 , 0 , JAM1 , 5 } ,
{ -1 , -1 , 1 , 0 , JAM1 , 5 } ,
} ;
short xyborders[ 2 ][ 10 ] =
{
{ 0 , 0 , 315 , 0 , 315 , 11 , 0 , 11 , 0 , 0 } ,
{ 0 , 0 , 101 , 0 , 101 , 11 , 0 , 11 , 0 , 0 }
} ;
struct IntuiText gtext[ 2 ] =
{
{ FPEN , BPEN , JAM1 , 42 , 2 , NULL , "OK" , NULL } ,
{ FPEN , BPEN , JAM1 , 26 , 2 , NULL , "CANCEL" , NULL }
} ;
/* display window menus */
struct Menu menulist[ 1 ] =
{
{ NULL , 1 , 0 , 90 , 8 , MENUENABLED , " Control" , NULL }
} ;
struct menubox
controlmenu[ 6 ] =
{
{
{ NULL , 0 , 0 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ ,
0 , NULL , NULL , 'S' , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Stop" , NULL }
} ,
{
{ NULL , 0 , 11 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ ,
0 , NULL , NULL , 'C' , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Continue" , NULL }
} ,
{
{ NULL , 0 , 22 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP ,
0 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "New Rule" , NULL }
} ,
{
{ NULL , 0 , 33 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP ,
0 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "New Seed" , NULL }
} ,
{
{ NULL , 0 , 44 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP ,
0 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Neighborhood" , NULL }
} ,
{
{ NULL , 0 , 66 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ ,
0 , NULL , NULL , 'Q' , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Quit" , NULL }
}
} ,
seedsub[ 5 ] =
{
{
{ NULL , 130 , 0 , 120 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ ,
0 , NULL , NULL , '1' , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Small" , NULL }
} ,
{
{ NULL , 130 , 11 , 120 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ,
0 , NULL , NULL , '2' , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Medium" , NULL }
} ,
{
{ NULL , 130 , 22 , 120 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ ,
0 , NULL , NULL , '3' , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Large" , NULL }
} ,
{
{ NULL , 130 , 33 , 120 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP ,
0 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Horizontal" , NULL }
} ,
{
{ NULL , 130 , 44 , 120 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP ,
0 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Diagonal" , NULL }
}
} ,
neighborsub[ 2 ] =
{
{
{ NULL , 130 , 0 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT ,
0x02 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 25 , 2 , NULL , "Von Neumann" , NULL }
} ,
{
{ NULL , 130 , 11 , 140 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | CHECKIT | CHECKED ,
0x01 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 25 , 2 , NULL , "Moore" , NULL }
}
} ,
rulesub[ 2 ] =
{
{
{ NULL , 130 , 0 , 110 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP | COMMSEQ ,
0 , NULL , NULL , 'R' , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Random" , NULL }
} ,
{
{ NULL , 130 , 11 , 110 , 11 ,
ITEMTEXT | ITEMENABLED | HIGHCOMP ,
0 , NULL , NULL , 0 , NULL , NULL } ,
{ FPEN , BPEN , JAM1 , 10 , 2 , NULL , "Custom" , NULL }
}
} ;
struct TextAttr stext = { "topaz.font" , 8 , 0 , 0 } ;
UBYTE *cells1 , *cells2 , *old , *new ;
UBYTE ctab[ CMAX ][ 3 ] = /* screen colors */
{
{ 0 , 0 , 0 } ,
{ 15 , 0 , 0 } ,
{ 0 , 15 , 0 } ,
{ 0 , 0 , 15 } ,
{ 14 , 14 , 0 } ,
{ 14 , 0 , 14 } ,
{ 0 , 14 , 14 } ,
{ 14 , 14 , 14 }
} ;
UBYTE rule[ RULESIZE ] =
{ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 2 , 2 , 2 ,
3 , 3 , 3 , 4 , 4 , 4 , 4 } ;
UBYTE oldseed[ SEEDMAX + 1 ] = { 1 , 255 } ;
UBYTE colors = 4 ;
short stopflag = 0 , neighborhood = 1 , reseed = 0 ;
char *AllocMem() ;
struct Screen *OpenScreen() ;
struct Window *OpenWindow() ;
struct IntuiMessage *GetMsg() ;
void cleanup( void ) ;
void stepauto( void ) ;
void display( void ) ;
UBYTE random( UBYTE ) ;
void scramble( short ) ;
short stringreq( UBYTE * , short ) ;
void handlemsg( void ) ;
void handlemenu( void ) ;
void randrule( void ) ;
void stoploop( void ) ;
void main()
{
short i ;
IntuitionBase = ( struct IntuitionBase * )
OpenLibrary( "intuition.library" , 33 ) ;
if ( ! IntuitionBase )
cleanup() ;
GfxBase = ( struct GfxBase * )
OpenLibrary( "graphics.library" , 33 ) ;
if ( ! GfxBase )
cleanup() ;
ns.Font = &stext ;
screen = OpenScreen( &ns ) ;
if ( ! screen )
cleanup() ;
for ( i = 0 ; i < CMAX ; i ++ )
SetRGB4( &screen->ViewPort , i , ctab[ i ][ 0 ] ,
ctab[ i ][ 1 ] ,
ctab[ i ][ 2 ] ) ;
rgadget[ 0 ].NextGadget = &rgadget[ 1 ] ;
rgadget[ 1 ].NextGadget = &rgadget[ 2 ] ;
rgadget[ 0 ].SpecialInfo = ( APTR ) &reqinfo ;
reqinfo.Buffer = buff ;
reqinfo.UndoBuffer = ubuff ;
rgadget[ 0 ].GadgetRender = ( APTR ) &borders[ 0 ] ;
rgadget[ 1 ].GadgetRender = ( APTR ) &borders[ 1 ] ;
rgadget[ 2 ].GadgetRender = ( APTR ) &borders[ 2 ] ;
borders[ 0 ].XY = &xyborders[ 0 ][ 0 ] ;
borders[ 1 ].XY = &xyborders[ 1 ][ 0 ] ;
borders[ 2 ].XY = &xyborders[ 1 ][ 0 ] ;
rgadget[ 1 ].GadgetText = >ext[ 0 ] ;
rgadget[ 2 ].GadgetText = >ext[ 1 ] ;
rnw.FirstGadget = &rgadget[ 0 ] ;
nw.Screen = screen ;
window = OpenWindow( &nw ) ;
if ( ! window )
cleanup() ;
SetBPen( window->RPort , 0 ) ;
SetAPen( window->RPort , 15 ) ;
Move( window->RPort , 60 , 90 ) ;
Text( window->RPort , "A Cellular Automation" , 21 ) ;
Move( window->RPort , 60 , 102 ) ;
Text( window->RPort , "by Gary Teachout" , 17 ) ;
cells1 = AllocMem( 2 * SIZEX * SIZEY , MEMF_FAST | MEMF_CLEAR ) ;
if ( ! cells1 )
cleanup() ;
cells2 = cells1 + ( SIZEX * SIZEY ) ;
menulist[ 0 ].FirstItem = &controlmenu[ 0 ].item ;
controlmenu[ 0 ].item.ItemFill = ( APTR ) &controlmenu[ 0 ].text ;
controlmenu[ 0 ].item.NextItem = &controlmenu[ 1 ].item ;
controlmenu[ 1 ].item.ItemFill = ( APTR ) &controlmenu[ 1 ].text ;
controlmenu[ 1 ].item.NextItem = &controlmenu[ 2 ].item ;
controlmenu[ 2 ].item.ItemFill = ( APTR ) &controlmenu[ 2 ].text ;
controlmenu[ 2 ].item.NextItem = &controlmenu[ 3 ].item ;
controlmenu[ 3 ].item.ItemFill = ( APTR ) &controlmenu[ 3 ].text ;
controlmenu[ 3 ].item.NextItem = &controlmenu[ 4 ].item ;
controlmenu[ 4 ].item.ItemFill = ( APTR ) &controlmenu[ 4 ].text ;
controlmenu[ 4 ].item.NextItem = &controlmenu[ 5 ].item ;
controlmenu[ 5 ].item.ItemFill = ( APTR ) &controlmenu[ 5 ].text ;
controlmenu[ 4 ].item.SubItem = &neighborsub[ 0 ].item ;
neighborsub[ 0 ].item.ItemFill = ( APTR ) &neighborsub[ 0 ].text ;
neighborsub[ 0 ].item.NextItem = &neighborsub[ 1 ].item ;
neighborsub[ 1 ].item.ItemFill = ( APTR ) &neighborsub[ 1 ].text ;
controlmenu[ 2 ].item.SubItem = &rulesub[ 0 ].item ;
rulesub[ 0 ].item.ItemFill = ( APTR ) &rulesub[ 0 ].text ;
rulesub[ 0 ].item.NextItem = &rulesub[ 1 ].item ;
rulesub[ 1 ].item.ItemFill = ( APTR ) &rulesub[ 1 ].text ;
controlmenu[ 3 ].item.SubItem = &seedsub[ 0 ].item ;
seedsub[ 0 ].item.ItemFill = ( APTR ) &seedsub[ 0 ].text ;
seedsub[ 0 ].item.NextItem = &seedsub[ 1 ].item ;
seedsub[ 1 ].item.ItemFill = ( APTR ) &seedsub[ 1 ].text ;
seedsub[ 1 ].item.NextItem = &seedsub[ 2 ].item ;
seedsub[ 2 ].item.ItemFill = ( APTR ) &seedsub[ 2 ].text ;
seedsub[ 2 ].item.NextItem = &seedsub[ 3 ].item ;
seedsub[ 3 ].item.ItemFill = ( APTR ) &seedsub[ 3 ].text ;
seedsub[ 3 ].item.NextItem = &seedsub[ 4 ].item ;
seedsub[ 4 ].item.ItemFill = ( APTR ) &seedsub[ 4 ].text ;
SetMenuStrip( window , menulist ) ;
ShowTitle( screen , TRUE ) ;
old = cells1 ;
new = cells2 ;
scramble( 25 ) ;
display() ;
old = cells2 ;
new = cells1 ;
for ( ; ; )
{
stepauto() ;
display() ;
if ( old == cells2 )
{
old = cells1 ;
new = cells2 ;
}
else
{
old = cells2 ;
new = cells1 ;
}
}
cleanup() ;
}
void cleanup()
{
if ( cells1 )
FreeMem( cells1 , 2 * SIZEX * SIZEY ) ;
if ( window )
CloseWindow( window ) ;
if ( screen )
CloseScreen( screen ) ;
if ( GfxBase )
CloseLibrary( GfxBase ) ;
if ( IntuitionBase )
CloseLibrary( IntuitionBase ) ;
exit() ;
}
void stepauto()
{
short x , y ;
UBYTE *oc , *n , *yp , *ym , *xp , *xm , *yy ,
*mm , *pm , *mp , *pp ;
oc = old ;
n = new ;
yy = old ;
if ( neighborhood )
{
for ( y = 0 ; y < SIZEY ; y ++ )
{
yp = old + ( ( ( y + 1 ) % SIZEY ) * SIZEX ) ;
ym = old + ( ( ( y + SIZEY - 1 ) % SIZEY ) * SIZEX ) ;
xp = yy + 1 ;
xm = yy + SIZEX - 1 ;
mm = ym + SIZEX - 1 ;
mp = yp + SIZEX - 1 ;
pm = ym + 1 ;
pp = yp + 1 ;
*( n ++ ) = rule[ *( oc ++ )
+ *yp
+ *ym
+ *( xp ++ )
+ *xm
+ *mm
+ *( pm ++ )
+ *mp
+ *( pp ++ ) ] ;
mm = ym ;
mp = yp ;
yp ++ ;
ym ++ ;
xm = yy ;
for ( x = 2 ; x < SIZEX ; x ++ )
{
*( n ++ ) = rule[ *( oc ++ )
+ *( yp ++ )
+ *( ym ++ )
+ *( xp ++ )
+ *( xm ++ )
+ *( mm ++ )
+ *( pm ++ )
+ *( mp ++ )
+ *( pp ++ ) ] ;
}
xp = yy ;
pm -= SIZEX ;
pp -= SIZEX ;
*( n ++ ) = rule[ *( oc ++ ) + *yp + *ym + *xp + *xm
+ *mm + *pm + *mp + *pp ] ;
yy += SIZEX ;
handlemsg() ;
if ( reseed )
{
reseed = 0 ;
break ;
}
}
}
else
{
for ( y = 0 ; y < SIZEY ; y ++ )
{
yp = old + ( ( ( y + 1 ) % SIZEY ) * SIZEX ) ;
ym = old + ( ( ( y + SIZEY - 1 ) % SIZEY ) * SIZEX ) ;
xp = yy + 1 ;
xm = yy + SIZEX - 1 ;
*( n ++ ) = rule[ *( oc ++ )
+ *( yp ++ )
+ *( ym ++ )
+ *( xp ++ )
+ *xm ] ;
xm = yy ;
for ( x = 2 ; x < SIZEX ; x ++ )
{
*( n ++ ) = rule[ *( oc ++ )
+ *( yp ++ )
+ *( ym ++ )
+ *( xp ++ )
+ *( xm ++ ) ] ;
}
xp = yy ;
*( n ++ ) = rule[ *( oc ++ ) + *yp + *ym + *xp + *xm ] ;
yy += SIZEX ;
handlemsg() ;
if ( reseed )
{
reseed = 0 ;
break ;
}
}
}
}
void display()
{
USHORT x , y , d , i , j , k , m , *wp[ PLANES ] , *wpc[ PLANES ] ;
UBYTE cm , *c ;
do
{
reseed = 0 ;
i = screen->BitMap.BytesPerRow >> 1 ;
wp[ 0 ] = ( USHORT * ) screen->BitMap.Planes[ 0 ] + ( 12 * i ) ;
wp[ 1 ] = ( USHORT * ) screen->BitMap.Planes[ 1 ] + ( 12 * i ) ;
wp[ 2 ] = ( USHORT * ) screen->BitMap.Planes[ 2 ] + ( 12 * i ) ;
wpc[ 0 ] = ( USHORT * ) screen->BitMap.Planes[ 0 ] + ( 13 * i ) ;
wpc[ 1 ] = ( USHORT * ) screen->BitMap.Planes[ 1 ] + ( 13 * i ) ;
wpc[ 2 ] = ( USHORT * ) screen->BitMap.Planes[ 2 ] + ( 13 * i ) ;
c = new ;
for ( y = 0 ; y < SIZEY ; y ++ )
{
for ( x = 0 ; x < SIZEX ; x += 8 )
{
for ( cm = 1 , j = 0 ; j < PLANES ; j ++ , cm = cm << 1 )
{
d = 0 ;
for ( m = 0xc000 , k = 0 ; k < 8 ; m = m >> 2 , k ++ )
{
if ( *( c + k ) & cm )
d |= m ;
}
*wp[ j ] = d ;
wp[ j ] ++ ;
*wpc[ j ] = d ;
wpc[ j ] ++ ;
}
c += 8 ;
}
wp[ 0 ] += i ;
wp[ 1 ] += i ;
wp[ 2 ] += i ;
wpc[ 0 ] += i ;
wpc[ 1 ] += i ;
wpc[ 2 ] += i ;
handlemsg() ;
if ( reseed )
break ;
}
} while ( reseed ) ;
}
UBYTE random( a )
UBYTE a ;
{
#define RANDSHIFT 8
#define RANDTAB 23
#define RANDCOMP 8388608
static UBYTE fp = 1 ;
static long v[ RANDTAB ] , rr ;
short vi ;
if ( fp )
{
CurrentTime( &v[ 0 ] , &v[ 1 ] ) ;
srand( v[ 1 ] ) ;
for ( vi = 0 ; vi < RANDTAB ; vi ++ )
v[ vi ] = rand() >> RANDSHIFT ;
rr = rand() >> RANDSHIFT ;
fp = 0 ;
}
vi = RANDTAB * rr / RANDCOMP ;
rr = v[ vi ] ;
v[ vi ] = rand() >> RANDSHIFT ;
return ( UBYTE ) ( ( a * rr ) / RANDCOMP ) ;
}
void scramble( s )
short s ;
{
short x , y ;
for ( x = 0 ; x < ( SIZEX * SIZEY ) ; x ++ )
*( new + x ) = 0 ;
for ( y = ( SIZEY - s ) >> 1 ; y < ( ( SIZEY + s ) >> 1 ) ; y ++ )
{
for ( x = ( SIZEX - s ) >> 1 ; x < ( ( SIZEX + s ) >> 1 ) ; x ++ )
{
*( new + x + ( y * SIZEX ) ) = random( colors ) ;
}
}
}
short stringreq( t , l )
UBYTE *t ;
short l ;
{
struct Window *rw ;
struct Gadget *g ;
long sig ;
rnw.Title = t ;
rnw.Screen = screen ;
reqinfo.BufferPos = 0 ;
reqinfo.DispPos = 0 ;
reqinfo.MaxChars = l ;
rw = OpenWindow( &rnw ) ; /* a window but it looks like a requester */
if ( rw )
{
sig = ( 1 << window->UserPort->mp_SigBit )
| ( 1 << rw->UserPort->mp_SigBit ) ;
while ( class != GADGETUP )
{
Wait( sig ) ;
while ( mes = GetMsg( window->UserPort ) )
{
if ( ( mes->Class == MENUVERIFY ) && ( mes->Code == MENUHOT ) )
mes->Code = MENUCANCEL ;
ReplyMsg( mes ) ;
}
while ( mes = GetMsg( rw->UserPort ) )
{
class = mes->Class ;
g = ( struct Gadget * ) mes->IAddress ;
ReplyMsg( mes ) ;
}
}
CloseWindow( rw ) ;
if ( g->GadgetID == 3 )
return 0 ;
else
return 1 ;
}
else
{
DisplayBeep( screen ) ;
return 0 ;
}
}
void handlemsg()
{
while ( mes = GetMsg( window->UserPort ) )
{
class = mes->Class ;
code = mes->Code ;
ReplyMsg( mes ) ;
switch ( class )
{
case MENUVERIFY :
Wait( 1 << window->UserPort->mp_SigBit ) ;
while ( class != MENUPICK )
{
if ( mes = GetMsg( window->UserPort ) )
{
class = mes->Class ;
code = mes->Code ;
ReplyMsg( mes ) ;
}
}
case MENUPICK :
handlemenu() ;
break ;
}
}
}
void handlemenu()
{
short i , j ;
if ( ! MENUNUM( code ) )
{
switch ( ITEMNUM( code ) )
{
case 0 :
stoploop() ;
break ;
case 1 :
stopflag = 0 ;
break ;
case 2 :
switch ( SUBNUM( code ) )
{
case 0 :
randrule() ;
break ;
case 1 :
for ( i = RULESIZE - 1 ; ( i >= 0 ) && ( ! rule[ i ] ) ; i -- )
;
for ( j = 0 ; i >= 0 ; i -- , j ++ )
buff[ j ] = rule[ i ] + 48 ;
buff[ j ] = 0 ;
if ( stringreq( " Enter New Rule " , RULESIZE + 1 ) )
{
for ( i = 0 ; ( i < RULESIZE + 1 ) && ( buff[ i ] ) ; i ++ )
;
for ( j = 0 , i -- ; i >= 0 ; i -- , j ++ )
rule[ j ] = ( buff[ i ] - 48 ) & 7 ;
for ( ; j < RULESIZE ; j ++ )
rule[ j ] = 0 ;
for ( colors = 0 , i = 0 ; i < RULESIZE ; i ++ )
if ( rule[ i ] >= colors )
colors = rule[ i ] + 1 ;
}
break ;
}
break ;
case 3 :
switch ( SUBNUM( code ) )
{
case 0 :
scramble( 5 ) ;
reseed = 1 ;
break ;
case 1 :
scramble( 25 ) ;
reseed = 1 ;
break ;
case 2 :
scramble( 80 ) ;
reseed = 1 ;
break ;
case 3 :
case 4 :
for ( i = 0 ; ( i < SEEDMAX + 1 ) && ( oldseed[ i ] != 255 ) ; i ++ )
buff[ i ] = oldseed[ i ] + 48 ;
buff[ i ] = 0 ;
if ( stringreq( " Enter New Seed " , SEEDMAX + 1 ) )
{
for ( i = 0 ; i < ( SIZEX * SIZEY ) ; i ++ )
*( new + i ) = 0 ;
for ( i = 0 ; ( i < SEEDMAX + 1 ) && buff[ i ] ; i ++ )
oldseed[ i ] = ( buff[ i ] - 48 ) & 7 ;
oldseed[ i ] = 255 ;
reseed = 1 ;
}
else
break ;
switch ( SUBNUM( code ) )
{
case 3 :
for ( i = 0 ;
( i < SEEDMAX ) && ( oldseed[ i ] != 255 ) ;
i ++ )
*( new + i + SEEDOFF ) = oldseed[ i ] ;
break ;
case 4 :
for ( i = 0 ;
( i < SEEDMAX ) && ( oldseed[ i ] != 255 ) ;
i ++ )
*( new + i + SEEDOFF - ( i * SIZEX ) ) = oldseed[ i ] ;
break ;
}
break ;
}
break ;
case 4 :
neighborhood = SUBNUM( code ) ;
break ;
case 5 : /* quit */
cleanup() ;
break ;
}
}
}
void randrule()
{
short i , s ;
UBYTE c ;
if ( random( 2 ) )
c = 2 + random( 6 ) ; /* 2 - 7 colors */
else
c = 3 + random( 3 ) ; /* 3 - 5 colors */
do
{
s = 2 + random( ( UBYTE ) ( ( c - 1 )
* ( ( neighborhood + 1 ) * 4 + 1 ) ) ) ;
for ( i = 0 ; i < s ; i ++ )
rule[ i ] = random( c ) ;
for ( ; i < RULESIZE ; i ++ )
rule[ i ] = 0 ;
if ( random( 4 ) )
{
rule[ 0 ] = 0 ;
if ( random( 4 ) )
{
rule[ 1 ] = 0 ;
if ( random( 4 ) )
{
rule[ 2 ] = 0 ;
if ( random( 4 ) )
rule[ 3 ] = 0 ;
}
}
}
for ( colors = 0 , i = 0 ; i < RULESIZE ; i ++ )
if ( rule[ i ] >= colors )
colors = rule[ i ] + 1 ;
} while ( colors <= 1 ) ;
}
void stoploop()
{
if ( ! stopflag )
{
stopflag = 1 ;
while ( stopflag )
{
Wait( 1 << window->UserPort->mp_SigBit ) ;
handlemsg() ;
}
}
}