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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.
*
*/
#include "teenagent/resources.h"
#include "teenagent/teenagent.h"
#include "common/debug.h"
#include "common/textconsole.h"
#include "common/translation.h"
#include "common/zlib.h"
namespace TeenAgent {
Resources::Resources() {
}
Resources::~Resources() {
off.close();
on.close();
ons.close();
lan000.close();
lan500.close();
mmm.close();
sam_mmm.close();
sam_sam.close();
voices.close();
}
/*
quick note on varia resources:
1: Mark's animations (with head)
2: Mark's idle animation
3: Inventory background
4: Inventory items
5: Metropolis palette
6: TEENAGENT logo (flames)
7: Small font
8: Bigger font
9: Metropolis software house
10: quit registered
11: quit shareware
*/
#define CSEG_SIZE 46000 // 0xb3b0
#define DSEG_SIZE 59280 // 0xe790
#define ESEG_SIZE 35810 // 0x8be2
void Resources::precomputeDialogOffsets() {
dialogOffsets.push_back(0);
int n = 0;
uint8 current, last = 0xff;
for (uint i = 0; i < eseg.size(); i++) {
current = eseg.get_byte(i);
if (n == 4) {
dialogOffsets.push_back(i);
n = 0;
}
if (current != 0x00 && last == 0x00)
n = 0;
if (current == 0x00)
n++;
last = current;
}
debug(1, "Resources::precomputeDialogOffsets() - Found %d dialogs", dialogOffsets.size());
for (uint i = 0; i < dialogOffsets.size(); i++)
debug(1, "\tDialog #%d: Offset 0x%04x", i, dialogOffsets[i]);
}
bool Resources::loadArchives(const ADGameDescription *gd) {
Common::File *dat_file = new Common::File();
Common::String filename = "teenagent.dat";
if (!dat_file->open(filename.c_str())) {
delete dat_file;
Common::String errorMessage = Common::String::format(_("Unable to locate the '%s' engine data file."), filename.c_str());
warning("%s", errorMessage.c_str());
GUIErrorMessage(errorMessage);
return false;
}
// teenagent.dat used to be compressed with zlib compression. The usage of
// zlib here is no longer needed, and it's maintained only for backwards
// compatibility.
Common::SeekableReadStream *dat = Common::wrapCompressedReadStream(dat_file);
#if !defined(USE_ZLIB)
uint16 header = dat->readUint16BE();
bool isCompressed = (header == 0x1F8B ||
((header & 0x0F00) == 0x0800 &&
header % 31 == 0));
dat->seek(-2, SEEK_CUR);
if (isCompressed) {
// teenagent.dat is compressed, but zlib hasn't been compiled in
delete dat;
Common::String errorMessage = _("The teenagent.dat file is compressed and zlib hasn't been included in this executable. Please decompress it");
warning("%s", errorMessage.c_str());
GUIErrorMessage(errorMessage);
return false;
}
#endif
dat->skip(CSEG_SIZE);
dseg.read(dat, DSEG_SIZE);
eseg.read(dat, ESEG_SIZE);
delete dat;
precomputeDialogOffsets();
FilePack varia;
varia.open("varia.res");
font7.load(varia, 7, 11, 1);
font8.load(varia, 8, 31, 0);
varia.close();
off.open("off.res");
on.open("on.res");
ons.open("ons.res");
lan000.open("lan_000.res");
lan500.open("lan_500.res");
mmm.open("mmm.res");
sam_mmm.open("sam_mmm.res");
sam_sam.open("sam_sam.res");
voices.open("voices.res");
return true;
}
void Resources::loadOff(Graphics::Surface &surface, byte *palette, int id) {
uint32 size = off.getSize(id);
if (size == 0) {
error("invalid background %d", id);
return;
}
const uint bufferSize = 64768;
byte *buf = (byte *)malloc(bufferSize);
if (!buf)
error("[Resources::loadOff] Cannot allocate buffer");
off.read(id, buf, bufferSize);
byte *src = buf;
byte *dst = (byte *)surface.getPixels();
memcpy(dst, src, 64000);
memcpy(palette, buf + 64000, 768);
free(buf);
}
Common::SeekableReadStream *Resources::loadLan(uint32 id) const {
return id <= 500 ? loadLan000(id) : lan500.getStream(id - 500);
}
Common::SeekableReadStream *Resources::loadLan000(uint32 id) const {
switch (id) {
case 81:
if (dseg.get_byte(dsAddr_dogHasBoneFlag))
return lan500.getStream(160);
break;
case 137:
if (dseg.get_byte(dsAddr_mansionTVOnFlag) == 1) {
if (dseg.get_byte(dsAddr_mansionVCRPlayingTapeFlag) == 1)
return lan500.getStream(203);
else
return lan500.getStream(202);
}
break;
case 25:
if (dseg.get_byte(dsAddr_FirstActTrialState) == 2) {
return lan500.getStream(332);
}
break;
case 37:
if (dseg.get_byte(dsAddr_act1GuardState) == 1) {
return lan500.getStream(351);
} else if (dseg.get_byte(dsAddr_act1GuardState) == 2) {
return lan500.getStream(364);
}
break;
case 29:
if (dseg.get_byte(dsAddr_birdOnBarRadioAntennaFlag) == 1) {
return lan500.getStream(380);
}
break;
case 30:
if (dseg.get_byte(dsAddr_birdOnBarRadioAntennaFlag) == 1) {
return lan500.getStream(381);
}
break;
case 42:
if (dseg.get_byte(dsAddr_johnNotyOutsideMansionDoorFlag) == 1) {
return lan500.getStream(400);
}
break;
default:
break;
}
return lan000.getStream(id);
}
} // End of namespace TeenAgent
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