path: root/engines/avalanche/chunkxf4.cpp

#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? */
};

enum kind {walled,unwalled, last_kind};

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;

const kind w = walled; const kind uw = unwalled;

array<1,50,longint> offsets;
byte num_chunks,this_chunk;
integer gd,gm;
untyped_file f;
array<0,arraysize,byte> aa;

void rdln()
{
    char r;
      return;
 do { r=readkey(); } while (!(! keypressed()));
}

void load(kind k)
{
 byte a1 /*absolute $A400:800*/;
 byte bit;
 untyped_file f;


 if (k==unwalled)  assign(f,"place29.avd");
  else assign(f,"walled.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);
}

void finder()
{
    char r; integer x,y;
      return;
 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 loadtemp(string which)
{
 byte a0 /*absolute $A000:800*/;
 byte bit;
 untyped_file f;


 assign(f,string("corr")+which+"tmp.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,"chunk29.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, kind k)
 /* 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;
 }

 load(k);

 setvisualpage(1);
 setactivepage(1);
 rdln();
 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=((realx-ch.x*8)+(x2-x1)+7) / 8;
   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);
  }

 rdln();
 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");
 setwritemode(xorput);

 loadtemp("2");

 num_chunks=32;

 open_chunk();

 grab(  0, 11,100,104,260,41,ch_ega,false,false,uw); /*1 Geida's door. */
 grab(103, 12,203, 55,207,61,ch_ega,false,false,uw); /*2 "Ite mingite" sign. */
 grab(123, 59,185,103,254,90,ch_ega,false,false,uw); /*3 Normal N door (rt handle)*/
 grab(227, 10,289, 56,254,88,ch_ega,false,false,uw); /*4 Normal N door (lt handle)*/
 grab(207, 63,294,105,  9,47,ch_ega,false,false, w); /*5 Window in left wall. */
 grab(312, 10,416, 56,233,88,ch_ega,false,false,uw); /*6 North archway */
 grab(331, 78,384,101, 32,64,ch_ega,false,false, w); /*7 2 torches, L wall. */
 grab(607,142,621,157,233,88,ch_ega,false,false,uw); /*8 1 torch, N wall. */
 grab(417, 11,577, 59,311,61,ch_ega,false,false,uw); /*9 "The Wrong Way!" sign. */

 loadtemp("3");

 grab(  0, 11, 62, 63,557,108,ch_ega,false,false, w); /*10 Near right candle */
 grab( 64, 11,120, 63, 18,108,ch_ega,false,false, w); /*11 Near left candle */
 grab(122, 11,169, 55, 93,100,ch_ega,false,false, w); /*12 Far left candle */
 grab(171, 11,222, 52,500,100,ch_ega,false,false, w); /*13 Far right candle */
 grab( 32, 68, 84,104,285, 70,ch_ega,false,false,uw); /*14 Far window */
 grab(138, 65,190, 92,233, 88,ch_ega,false,false,uw); /*15 Baron du Lustie pic 1 */
 grab(244, 65,296, 92,103, 51,ch_ega,false,false,uw); /*16 Baron du Lustie pic 2 */
 grab(172, 54,280, 63,233, 88,ch_ega,false,false,uw); /*17 "Art Gallery" sign */
 grab(341, 18,402, 47,563, 48,ch_ega,false,false, w); /*18 Right wall torches */
 grab(528, 10,639,160,528, 10,ch_ega,false,false,uw); /*19 Right wall */
 grab(430, 50,526, 88,543, 50,ch_ega,false,false, w); /*20 Window in right wall */
 grab(451, 91,494,152,566, 91,ch_ega,false,false, w); /*21 Door in right wall */
 grab(238, 10,307, 14,484,156,ch_ega,false,false, w); /*22 Near wall door: right */
 grab(239, 16,300, 20,300,156,ch_ega,false,false, w); /*23 Near wall door: middle */
 grab(234, 22,306, 26,100,156,ch_ega,false,false, w); /*24 Near wall door: left */
 grab( 25,113, 87,156,254, 90,ch_ega,false,false, w); /*25 Far door opening stage 1 */
 grab(131,113,193,156,254, 90,ch_ega,false,false, w); /*26 Far door opening stage 2 */
 grab(237,113,299,156,254, 90,ch_ega,false,false, w); /*27 Far door opening stage 3 */

 loadtemp("4");

 grab(  0, 11,112,160,  0, 11,ch_ega,false,false,uw); /*28 Left wall */
 grab(144, 44,197, 76, 30, 44,ch_ega,false,false, w); /*29 Shield on L wall. */
 grab(149, 90,192,152, 35, 90,ch_ega,false,false, w); /*30 Door in L wall. */
 grab(463, 28,527, 43,252,100,ch_ega,false,false, w); /*31 Archway x 2 */
 grab(463, 79,527, 94,252,100,ch_ega,false,false, w); /*32 Archway x 3 */

 close_chunk();
 return EXIT_SUCCESS;
}