scummvm/engines/avalanche/celer2.cpp

526 lines
13 KiB
C++

/* 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.
*/
/* CELER The unit for updating the screen pics. */
#include "avalanche/avalanche.h"
#include "avalanche/celer2.h"
#include "avalanche/trip6.h"
#include "avalanche/lucerna2.h"
#include "avalanche/gyro2.h"
#include "avalanche/roomnums.h"
#include "common/textconsole.h"
namespace Avalanche {
const int16 Celer::on_disk = -1;
Celer::Celer() {
num_chunks = 0;
}
void Celer::setParent(AvalancheEngine *vm) {
_vm = vm;
}
void Celer::pics_link() {
byte xx;
if (_vm->_gyro->ddmnow)
return; /* No animation when the menus are up. */
switch (_vm->_gyro->dna.room) {
case r__outsideargentpub:
if ((_vm->_gyro->roomtime % int32(12)) == 0)
show_one(int32(1) + (_vm->_gyro->roomtime / int32(12)) % int32(4));
break;
case r__brummieroad:
if ((_vm->_gyro->roomtime % int32(2)) == 0)
show_one(int32(1) + (_vm->_gyro->roomtime / int32(2)) % int32(4));
break;
case r__bridge:
if ((_vm->_gyro->roomtime % int32(2)) == 0)
show_one(int32(4) + (_vm->_gyro->roomtime / int32(2)) % int32(4));
break;
case r__yours:
if ((!_vm->_gyro->dna.avvy_is_awake) && ((_vm->_gyro->roomtime % int32(4)) == 0))
show_one(int32(1) + (_vm->_gyro->roomtime / int32(12)) % int32(2));
break;
case r__argentpub:
if (((_vm->_gyro->roomtime % int32(7)) == 1) && (_vm->_gyro->dna.malagauche != 177)) {
/* Malagauche cycle */
_vm->_gyro->dna.malagauche += 1;
switch (_vm->_gyro->dna.malagauche) {
case 1:
case 11:
case 21:
show_one(12);
break; /* Looks forwards. */
case 8:
case 18:
case 28:
case 32:
show_one(11);
break; /* Looks at you. */
case 30:
show_one(13);
break; /* Winks. */
case 33:
_vm->_gyro->dna.malagauche = 0;
break;
}
}
switch (_vm->_gyro->roomtime % 200) {
case 179:
case 197:
show_one(5);
break; /* Dogfood's drinking cycle */
case 182:
case 194:
show_one(6);
break;
case 185:
show_one(7);
break;
case 199:
_vm->_gyro->dna.dogfoodpos = 177;
break; /* Impossible value for this. */
}
if ((_vm->_gyro->roomtime % 200 >= 0) && (_vm->_gyro->roomtime % 200 <= 178)) { /* Normally. */
if (((_vm->_lucerna.bearing(2) >= 1) && (_vm->_lucerna.bearing(2) <= 90)) || ((_vm->_lucerna.bearing(2) >= 358) && (_vm->_lucerna.bearing(2) <= 360)))
xx = 3;
else if ((_vm->_lucerna.bearing(2) >= 293) && (_vm->_lucerna.bearing(2) <= 357))
xx = 2;
else if ((_vm->_lucerna.bearing(2) >= 271) && (_vm->_lucerna.bearing(2) <= 292))
xx = 4;
if (xx != _vm->_gyro->dna.dogfoodpos) { /* Only if it's changed.*/
show_one(xx);
_vm->_gyro->dna.dogfoodpos = xx;
}
}
break;
case r__westhall:
if ((_vm->_gyro->roomtime % int32(3)) == 0) {
switch ((_vm->_gyro->roomtime / int32(3)) % int32(6)) {
case 4:
show_one(1);
break;
case 1:
case 3:
case 5:
show_one(2);
break;
case 0:
case 2:
show_one(3);
break;
}
}
break;
case r__lustiesroom:
if (!(_vm->_gyro->dna.lustie_is_asleep)) {
if ((_vm->_gyro->roomtime % int32(45)) > 42)
xx = 4; /* du Lustie blinks */
/* Bearing of Avvy from du Lustie. */
else if (((_vm->_lucerna.bearing(2) >= 0) && (_vm->_lucerna.bearing(2) <= 45)) || ((_vm->_lucerna.bearing(2) >= 315) && (_vm->_lucerna.bearing(2) <= 360)))
xx = 1; /* Middle. */
else if ((_vm->_lucerna.bearing(2) >= 45) && (_vm->_lucerna.bearing(2) <= 180))
xx = 2; /* Left. */
else if ((_vm->_lucerna.bearing(2) >= 181) && (_vm->_lucerna.bearing(2) <= 314))
xx = 3; /* Right. */
if (xx != _vm->_gyro->dna.dogfoodpos) { /* Only if it's changed.*/
show_one(xx);
_vm->_gyro->dna.dogfoodpos = xx; /* We use DogfoodPos here too- why not? */
}
}
break;
case r__aylesoffice:
if ((!_vm->_gyro->dna.ayles_is_awake) && (_vm->_gyro->roomtime % int32(14) == 0)) {
switch ((_vm->_gyro->roomtime / int32(14)) % int32(2)) {
case 0:
show_one(1);
break; /* Frame 2: EGA. */
case 1:
show_one(3);
break; /* Frame 1: Natural. */
}
}
break;
case r__robins:
if (_vm->_gyro->dna.tied_up) {
switch (_vm->_gyro->roomtime % int32(54)) {
case 20:
show_one(4);
break; /* Frame 4: Avalot blinks. */
case 23:
show_one(2);
break; /* Frame 1: Back to normal. */
}
}
break;
case r__nottspub:
/* Bearing of Avvy from Port. */
if (((_vm->_lucerna.bearing(5) >= 0) && (_vm->_lucerna.bearing(5) <= 45)) || ((_vm->_lucerna.bearing(5) >= 315) && (_vm->_lucerna.bearing(5) <= 360)))
xx = 2; /* Middle. */
else if ((_vm->_lucerna.bearing(5) >= 45) && (_vm->_lucerna.bearing(5) <= 180))
xx = 6; /* Left. */
else if ((_vm->_lucerna.bearing(5) >= 181) && (_vm->_lucerna.bearing(5) <= 314))
xx = 8; /* Right. */
if ((_vm->_gyro->roomtime % int32(60)) > 57)
xx--; /* Blinks */
if (xx != _vm->_gyro->dna.dogfoodpos) { /* Only if it's changed.*/
show_one(xx);
_vm->_gyro->dna.dogfoodpos = xx; /* We use DogfoodPos here too- why not? */
}
switch (_vm->_gyro->roomtime % 50) {
case 45 :
show_one(9);
break; /* Spurge blinks */
case 49 :
show_one(10);
break;
}
break;
case r__ducks:
if ((_vm->_gyro->roomtime % 3) == 0) /* The fire flickers */
show_one(1 + (_vm->_gyro->roomtime / 3) % 3);
{/* _vm->_lucerna.bearing of Avvy from Duck. */
if (((_vm->_lucerna.bearing(2) >= 0) && (_vm->_lucerna.bearing(2) <= 45)) || ((_vm->_lucerna.bearing(2) >= 315) && (_vm->_lucerna.bearing(2) <= 360)))
xx = 4; /* Middle. */
else if ((_vm->_lucerna.bearing(2) >= 45) && (_vm->_lucerna.bearing(2) <= 180))
xx = 6; /* Left. */
else if ((_vm->_lucerna.bearing(2) >= 181) && (_vm->_lucerna.bearing(2) <= 314))
xx = 8; /* Right. */
if ((_vm->_gyro->roomtime % int32(45)) > 42)
xx += 1; /* Duck blinks */
if (xx != _vm->_gyro->dna.dogfoodpos) { /* Only if it's changed.*/
show_one(xx);
_vm->_gyro->dna.dogfoodpos = xx; /* We use DogfoodPos here too- why not? */
}
break;
}
}
if ((_vm->_gyro->dna.ringing_bells) && (_vm->_gyro->flagset('B'))) {
/* They're ringing the bells. */
switch (_vm->_gyro->roomtime % int32(4)) {
case 1:
if (_vm->_gyro->dna.nextbell < 5)
_vm->_gyro->dna.nextbell = 12;
_vm->_gyro->dna.nextbell -= 1;
_vm->_gyro->note(_vm->_gyro->notes[_vm->_gyro->dna.nextbell]);
break;
case 2:
//nosound;
warning("STUB: Celer::pics_link()");
break;
}
}
}
void Celer::load_chunks(Common::String xx) {
chunkblocktype ch;
byte fv;
filename = filename.format("chunk%s.avd", xx.c_str());
if (!f.open(filename)) {
warning("AVALANCHE: Celer: File not found: %s", filename.c_str());
return;
}
f.seek(44);
num_chunks = f.readByte();
for (byte i = 0; i < num_chunks; i++)
offsets[i] = f.readSint32LE();
for (fv = 0; fv < num_chunks; fv++) {
f.seek(offsets[fv]);
ch.flavour = flavourtype(f.readByte());
ch.x = f.readSint16LE();
ch.y = f.readSint16LE();
ch.xl = f.readSint16LE();
ch.yl = f.readSint16LE();
ch.size = f.readSint32LE();
ch.natural = f.readByte();
ch.memorise = f.readByte();
if (ch.memorise) {
memos[fv].x = ch.x;
memos[fv].xl = ch.xl;
memos[fv].y = ch.y;
memos[fv].yl = ch.yl;
memos[fv].flavour = ch.flavour;
memos[fv].size = ch.size;
memory[fv] = new byte[ch.size]; // Celer::forget_chunks() deallocates it.
/*if (ch.natural) {
getimage(ch.x * 8, ch.y, (ch.x + ch.xl) * 8, ch.y + ch.yl, memory[fv]);
} else
blockread(f, memory[fv], ch.size);*/
warning("STUB: Celer::load_chunks()");
if (!ch.natural)
f.read(memory[fv], ch.size);
} else
memos[fv].x = on_disk;
}
f.close();
}
void Celer::forget_chunks() {
for (byte fv = 0; fv < num_chunks; fv ++)
if (memos[fv].x > on_disk)
delete[] memory[fv];
memset(memos, 255, sizeof(memos)); /* x=-1, => on disk. */
}
void Celer::mdrop(int16 x, int16 y, int16 xl, int16 yl, void *p) { /* assembler;
asm
push ds; { Strictly speaking, we shouldn't modify DS, so we'll save it.}
push bp; { Nor BP! }
{ DI holds the offset on this page. It starts at the top left-hand corner. }
{ (It should equal ch.y*80+ch.x. }
mov ax,y;
mov dl,80;
mul dl; { Line offset now calculated. }
mov di,ax; { Move it into DI. }
mov ax,x;
add di,ax; { Full offset now calculated. }
mov bx,yl; { No. of times to repeat lineloop. }
inc bx; { "loop" doesn't execute the zeroth time. }
mov bh,bl; { Put it into BH. }
{ BP holds the length of the Common::String to copy. It's equal to ch.xl.}
mov ax,uint16(p); { Data is held at DS:SI. }
mov si,ax;
mov ax,uint16(p+2); { This will be moved over into ds in just a tick... }
mov bp,xl;
mov ds,ax;
cld; { We're allowed to hack around with the flags! }
mov ax,$AC00; { Top of the first EGA page. }
mov es,ax; { Offset on this page is calculated below... }
{ port[$3c4]:=2; port[$3ce]:=4; }
mov dx,$3c4;
mov al,2;
out dx,al;
mov dx,$3ce;
mov al,4;
out dx,al;
mov cx,4; { This loop executes for 3, 2, 1, and 0. }
mov bl,0;
@mainloop:
push di;
push cx;
{ port[$3C5]:=1 shl bit; }
mov dx,$3C5;
mov al,1;
mov cl,bl; { BL = bit. }
shl al,cl;
out dx,al;
{ port[$3CF]:=bit; }
mov dx,$3CF;
mov al,bl; { BL = bit. }
out dx,al;
xor ch,ch;
mov cl,bh; { BH = ch.yl. }
@lineloop:
push cx;
mov cx,bp;
repz movsb; { Copy the data. }
sub di,bp;
add di,80;
pop cx;
loop @lineloop;
inc bl; { One more on BL. }
pop cx;
pop di;
loop @mainloop;
pop bp;
pop ds; { Get DS back again. }
*/
}
void Celer::display_it(int16 x, int16 y, int16 xl, int16 yl, flavourtype flavour, void *p) {
warning("STUB: Celer::display_it()");
}
void Celer::show_one(byte which) {
chunkblocktype ch;
byte *p;
//setactivepage(3);
warning("STUB: Celer::show_one()");
if (memos[which].x > on_disk)
display_it(memos[which].x, memos[which].y, memos[which].xl, memos[which].yl, memos[which].flavour, memory[which]);
else {
if (!f.open(filename)) { /* Filename was set in load_chunks() */
warning("AVALANCHE: Celer: File not found: %s", filename.c_str());
return;
}
f.seek(offsets[which]);
ch.flavour = flavourtype(f.readByte());
ch.x = f.readSint16LE();
ch.y = f.readSint16LE();
ch.xl = f.readSint16LE();
ch.yl = f.readSint16LE();
ch.size = f.readSint32LE();
ch.natural = f.readByte();
ch.memorise = f.readByte();
p = new byte[ch.size];
f.read(p, ch.size);
display_it(ch.x, ch.y, ch.xl, ch.yl, ch.flavour, p);
delete[] p;
f.close();
}
//setactivepage(1 - cp);
warning("STUB: Celer::show_one()");
for (byte fv = 0; fv < 2; fv ++)
_vm->_trip.getset[fv].remember(r);
}
void Celer::display_it_at(int16 xl, int16 yl, flavourtype flavour, void *p, int16 &xxx, int16 &yyy) {
warning("STUB: Celer::display_it1()");
}
void Celer::show_one_at(byte which, int16 xxx, int16 yyy) {
chunkblocktype ch;
byte *p;
//setactivepage(3);
warning("STUB: Celer::show_one_at()");
if (memos[which].x > on_disk) {
display_it_at(memos[which].xl, memos[which].yl, memos[which].flavour, memory[which], xxx, yyy);
} else {
if (!f.open(filename)) { /* Filename was set in load_chunks() */
warning("AVALANCHE: Celer: File not found: %s", filename.c_str());
return;
}
f.seek(offsets[which]);
ch.flavour = flavourtype(f.readByte());
ch.x = f.readSint16LE();
ch.y = f.readSint16LE();
ch.xl = f.readSint16LE();
ch.yl = f.readSint16LE();
ch.size = f.readSint32LE();
ch.natural = f.readByte();
ch.memorise = f.readByte();
{
p = new byte[ch.size];
f.read(p, ch.size);
display_it_at(ch.xl, ch.yl, ch.flavour, p, xxx, yyy);
delete[] p;
f.close();
}
}
//setactivepage(1 - cp);
warning("STUB: Celer::show_one_at()");
for (byte fv = 0; fv < 2; fv ++)
_vm->_trip.getset[fv].remember(r);
}
} // End of namespace Avalanche.