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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on the original source code of Lord Avalot d'Argent version 1.3.
* Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
*/
#include "graph.h"
namespace Avalanche {
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 = 32000;
array<1, 30, longint> offsets;
byte num_chunks, this_chunk;
integer gd, gm;
untyped_file f;
array<0, arraysize, byte> aa;
void load() {
byte a0 /*absolute $A000:800*/;
byte a1 /*absolute $A400:800*/;
byte bit;
untyped_file f;
assign(f, "place9.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 load_temp(string which) {
byte a0 /*absolute $A000:800*/;
byte a1 /*absolute $A400:800*/;
byte bit;
untyped_file f;
assign(f, which);
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);
}
void open_chunk() {
assign(f, "chunk9.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) {
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, 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);
{
if (nat)
ch.flavour = ch_bgi;
else ch.flavour = ch_ega; /* At the moment, Celer can't handle natural ch_EGAs. */
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);
freemem(p, s);
{
if (ch.flavour == ch_bgi) s = imagesize(ch.x * 8, ch.y, (ch.x + ch.xl) * 8, ch.y + ch.yl);
else s = 4 * ((x2 - x1 + 7) / 8) * (y2 - y1 + 1);
ch.size = s;
ch.x = ch.x / 8;
ch.xl = (ch.xl + 7) / 8;
mgrab(ch.x, ch.y, ch.x + ch.xl, ch.y + ch.yl, s);
}
input >> NL;
setvisualpage(0);
setactivepage(0);
blockwrite(f, ch, sizeof(ch));
if (! nat) blockwrite(f, aa, s);
}
int main(int argc, const char *argv[]) {
pio_initialize(argc, argv);
gd = 3;
gm = 0;
initgraph(gd, gm, "c:\\bp\\bgi");
load();
load_temp("d:chunkbit.avd");
setwritemode(xorput);
num_chunks = 7;
open_chunk();
grab(78, 78, 232, 102, 212, 10, true, false); /* 154 across */
grab(235, 78, 389, 102, 212, 10, true, false);
grab(392, 78, 546, 102, 212, 10, true, false);
grab(392, 78, 546, 102, 212, 10, true, true);
load_temp("d:chunkbi3.avd");
grab(437, 51, 475, 78, 147, 120, false, false); /* 5 = door half-open. */
grab(397, 51, 435, 78, 147, 120, false, false); /* 6 = door open. */
grab(397, 51, 435, 78, 147, 120, true, true); /* 7 = door shut. */
close_chunk();
return EXIT_SUCCESS;
}
} // End of namespace Avalanche.
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