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#include "graph.h"
/*#include "Tommys.h"*/
/*#include "Crt.h"*/
enum flavourtype {ch_ega,ch_bgi, last_flavourtype};
struct chunkblocktype {
flavourtype flavour;
integer x,y;
integer xl,yl;
longint size;
boolean natural;
boolean memorise; /* Hold it in memory? */
};
const array<1,44,char> chunkheader =
string("Chunk-type AVD file, for an Avvy game.")+'\32'+'\261'+'\x30'+'\x1'+'\x75'+'\261';
const integer arraysize = 12000;
array<1,30,longint> offsets;
byte num_chunks,this_chunk;
integer gd,gm;
untyped_file f;
array<0,arraysize,byte> aa;
void finder()
{
char r; integer x,y;
;
setfillstyle(0,0); setcolor(14);
x=320; y=100; setwritemode(xorput);
do {
bar(0,0,200,10);
outtextxy(0,0,strf(x)+','+strf(y));
line(x-20,y,x+20,y); line(x,y-20,x,y+20);
do {; } while (!keypressed());
line(x-20,y,x+20,y); line(x,y-20,x,y+20);
switch (readkey()) {
case '\15': return; break;
case '8': y -= 10; break;
case '4': x -= 10; break;
case '6': x += 10; break;
case '2': y += 10; break;
case '\0': switch (readkey()) {
case cup: y -= 1; break;
case cdown: y += 1; break;
case cleft: x -= 1; break;
case cright: x += 1; break;
}
break;
}
} while (!false);
}
void load()
{
byte a1 /*absolute $A400:800*/;
byte bit;
untyped_file f;
;
assign(f,"place25.avd"); reset(f,1);
seek(f,177);
for( bit=0; bit <= 3; bit ++)
{;
port[0x3c4]=2; port[0x3ce]=4; port[0x3c5]=1 << bit; port[0x3cf]=bit;
blockread(f,a1,12080);
}
close(f);
bit=getpixel(0,0);
setvisualpage(1); setactivepage(1);
finder();
setvisualpage(0); setactivepage(0);
}
void loadtemp()
{
byte a0 /*absolute $A000:800*/;
byte bit;
untyped_file f;
;
assign(f,"chunkbi3.avd"); reset(f,1);
seek(f,177);
for( bit=0; bit <= 3; bit ++)
{;
port[0x3c4]=2; port[0x3ce]=4; port[0x3c5]=1 << bit; port[0x3cf]=bit;
blockread(f,a0,12080);
}
close(f);
bit=getpixel(0,0);
finder();
}
void open_chunk()
{;
assign(f,"chunk25.avd");
rewrite(f,1);
blockwrite(f,chunkheader,sizeof(chunkheader));
blockwrite(f,num_chunks,1);
blockwrite(f,offsets,num_chunks*4);
this_chunk=0;
}
void close_chunk()
{;
seek(f,45);
blockwrite(f,offsets,num_chunks*4); /* make sure they're right! */
close(f);
}
void mgrab(integer x1,integer y1,integer x2,integer y2, word size)
{
integer yy; word aapos; byte length,bit;
;
if (size>arraysize)
{;
restorecrtmode();
output << "*** SORRY! *** Increase the arraysize constant to be greater" << NL;
output << " than " << size << '.' << NL;
exit(0);
}
aapos=0;
length=x2-x1;
for( bit=0; bit <= 3; bit ++)
{;
port[0x3c4]=2; port[0x3ce]=4; port[0x3c5]=1 << bit; port[0x3cf]=bit;
for( yy=y1; yy <= y2; yy ++)
{;
move(mem[0xa400*yy*80+x1],aa[aapos],length);
aapos += length;
}
}
bit=getpixel(0,0);
}
void grab(integer x1,integer y1,integer x2,integer y2,integer realx,integer realy, flavourtype flav,
boolean mem,boolean nat)
/* yes, I *do* know how to spell "really"! */
{
word s;
pointer p;
chunkblocktype ch;
;
/* rectangle(x1,y1,x2,y2); exit;*/
this_chunk += 1;
offsets[this_chunk]=filepos(f);
s=imagesize(x1,y1,x2,y2);
getmem(p,s);
getimage(x1,y1,x2,y2,p);
{;
ch.flavour=flav;
ch.x=realx; ch.y=realy;
ch.xl=x2-x1;
ch.yl=y2-y1;
ch.size=s;
ch.memorise=mem;
ch.natural=nat;
}
setvisualpage(1);
setactivepage(1);
input >> NL;
putimage(ch.x,ch.y,p,0);
if (flav==ch_ega)
{;
freemem(p,s);
s=4*(((x2 / 8)-(x1 / 8))+2)*(y2-y1+1);
{;
ch.size=s;
ch.x=ch.x / 8;
ch.xl=(ch.xl / 8)+2;
mgrab(ch.x,ch.y,ch.x+ch.xl,ch.y+ch.yl,s);
}
} else
/* For BGI pictures. */
{;
ch.x=ch.x / 8;
ch.xl=(ch.xl+7) / 8;
ch.size=imagesize(ch.x*8,ch.y,(ch.x+ch.xl)*8,ch.y+ch.yl);
}
input >> NL;
setvisualpage(0);
setactivepage(0);
blockwrite(f,ch,sizeof(ch));
switch (flav) {
case ch_ega : if (! nat) blockwrite(f,aa,s); break;
case ch_bgi : {;
if (! nat) blockwrite(f,p,s);
freemem(p,s);
}
break;
}
/* rectangle(x1,y1,x2,y2);*/
}
int main(int argc, const char* argv[])
{pio_initialize(argc, argv);
;
gd=3; gm=0; initgraph(gd,gm,"c:\\bp\\bgi");
load();
loadtemp();
setwritemode(xorput);
num_chunks=3;
open_chunk();
grab( 16, 24,101, 45,448,116,ch_ega, true,false); /*2 The fire again. */
grab(118, 20,203, 45,448,112,ch_bgi, true, true); /*1 The natural fire. */
grab(118, 20,203, 45,448,112,ch_ega, true,false); /*3 Third stage of the fire. */
close_chunk();
return EXIT_SUCCESS;
}
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