/* 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 "access/resources.h"
#include "access/access.h"
#include "access/amazon/amazon_resources.h"
#include "access/martian/martian_resources.h"
#include "common/translation.h"
namespace Access {
Resources *Resources::init(AccessEngine *vm) {
if (vm->getGameID() == GType_Amazon)
return new Amazon::AmazonResources(vm);
else if (vm->getGameID() == GType_MartianMemorandum)
return new Martian::MartianResources(vm);
error("Unknown game");
}
bool Resources::load(Common::String &errorMessage) {
Common::File f;
Common::String filename = "access.dat";
if (!f.open(filename.c_str())) {
errorMessage = Common::String::format(_("Unable to locate the '%s' engine data file."), filename.c_str());
return false;
}
// Check for the magic identifier
char buffer[4];
f.read(buffer, 4);
if (strncmp(buffer, "SVMA", 4)) {
errorMessage = Common::String::format(_("The '%s' engine data file is corrupt."), filename.c_str());
return false;
}
// Validate the version number
uint expectedVersion = 1;
uint version = f.readUint16LE();
if (version != expectedVersion) {
errorMessage = Common::String::format(
_("Incorrect version of the '%s' engine data file found. Expected %d.%d but got %d.%d."),
filename.c_str(), expectedVersion, 0, version, 0);
return false;
}
// Load in the index
uint count = f.readUint16LE();
_datIndex.resize(count);
for (uint idx = 0; idx < _datIndex.size(); ++idx) {
_datIndex[idx]._gameId = f.readByte();
_datIndex[idx]._discType = f.readByte();
_datIndex[idx]._demoType = f.readByte();
_datIndex[idx]._language = (Common::Language)f.readByte();
_datIndex[idx]._fileOffset = f.readUint32LE();
}
// Load in the data for the game
load(f);
return true;
}
void Resources::load(Common::SeekableReadStream &s) {
uint count;
// Get the offset of the data for the game
uint entryOffset = findEntry(_vm->getGameID(), _vm->isCD() ? 1 : 0,
_vm->isDemo() ? 1 : 0, _vm->getLanguage());
s.seek(entryOffset);
// Load filename list
count = s.readUint16LE();
FILENAMES.resize(count);
for (uint idx = 0; idx < count; ++idx)
FILENAMES[idx] = readString(s);
// Load the character data
count = s.readUint16LE();
CHARTBL.resize(count);
for (uint idx = 0; idx < count; ++idx) {
uint count2 = s.readUint16LE();
CHARTBL[idx].resize(count2);
if (count2 > 0)
s.read(&CHARTBL[idx][0], count2);
}
// Load the room data
count = s.readUint16LE();
ROOMTBL.resize(count);
for (uint idx = 0; idx < count; ++idx) {
ROOMTBL[idx]._desc = readString(s);
ROOMTBL[idx]._travelPos.x = s.readSint16LE();
ROOMTBL[idx]._travelPos.y = s.readSint16LE();
uint count2 = s.readUint16LE();
ROOMTBL[idx]._data.resize(count2);
if (count2 > 0)
s.read(&ROOMTBL[idx]._data[0], count2);
}
// Load the deaths list
count = s.readUint16LE();
DEATHS.resize(count);
for (uint idx = 0; idx < count; ++idx) {
DEATHS[idx]._screenId = s.readByte();
DEATHS[idx]._msg = readString(s);
}
// Load in the inventory list
count = s.readUint16LE();
INVENTORY.resize(count);
for (uint idx = 0; idx < count; ++idx) {
INVENTORY[idx]._desc = readString(s);
for (uint idx2 = 0; idx2 < 4; ++idx2)
INVENTORY[idx]._combo[idx2] = s.readSint16LE();
}
}
uint Resources::findEntry(byte gameId, byte discType, byte demoType, Common::Language language) {
for (uint idx = 0; idx < _datIndex.size(); ++idx) {
DATEntry &de = _datIndex[idx];
if (de._gameId == gameId && de._discType == discType &&
de._demoType == demoType && de._language == language)
return de._fileOffset;
}
error("Could not locate appropriate access.dat entry");
}
Common::String Resources::readString(Common::SeekableReadStream &s) {
Common::String result;
char c;
while ((c = s.readByte()) != 0)
result += c;
return result;
}
/*------------------------------------------------------------------------*/
const byte INITIAL_PALETTE[18 * 3] = {
0x00, 0x00, 0x00,
0xff, 0xff, 0xff,
0xf0, 0xf0, 0xf0,
0xe0, 0xe0, 0xe0,
0xd0, 0xd0, 0xd0,
0xc0, 0xc0, 0xc0,
0xb0, 0xb0, 0xb0,
0xa0, 0xa0, 0xa0,
0x90, 0x90, 0x90,
0x80, 0x80, 0x80,
0x70, 0x70, 0x70,
0x60, 0x60, 0x60,
0x50, 0x50, 0x50,
0x40, 0x40, 0x40,
0x30, 0x30, 0x30,
0x20, 0x20, 0x20,
0x10, 0x10, 0x10,
0x00, 0x00, 0x00
};
const char *const GENERAL_MESSAGES[] = {
"LOOKING THERE REVEALS NOTHING OF INTEREST.", // LOOK_MESSAGE
"THAT DOESN'T OPEN.", // OPEN_MESSAGE
"THAT WON'T MOVE.", // MOVE_MESSAGE
"YOU CAN'T TAKE THAT.", // GET_MESSAGE
"THAT DOESN'T SEEM TO WORK.", // USE_MESSAGE
"YOU CAN'T CLIMB THAT.", // GO_MESSAGE
"THERE SEEMS TO BE NO RESPONSE.", // TALK_MESSAGE
"THIS OBJECT REQUIRES NO HINTS", // HELP_MESSAGE
"THIS OBJECT REQUIRES NO HINTS", // HELP_MESSAGE
"THAT DOESN'T SEEM TO WORK." // USE_MESSAGE
};
const int INVCOORDS[][4] = {
{ 23, 68, 15, 49 },
{ 69, 114, 15, 49 },
{ 115, 160, 15, 49 },
{ 161, 206, 15, 49 },
{ 207, 252, 15, 49 },
{ 253, 298, 15, 49 },
{ 23, 68, 50, 84 },
{ 69, 114, 50, 84 },
{ 115, 160, 50, 84 },
{ 161, 206, 50, 84 },
{ 207, 252, 50, 84 },
{ 253, 298, 50, 84 },
{ 23, 68, 85, 119 },
{ 69, 114, 85, 119 },
{ 115, 160, 85, 119 },
{ 161, 206, 85, 119 },
{ 207, 252, 85, 119 },
{ 253, 298, 85, 119 },
{ 23, 68, 120, 154 },
{ 69, 114, 120, 154 },
{ 115, 160, 120, 154 },
{ 161, 206, 120, 154 },
{ 207, 252, 120, 154 },
{ 253, 298, 120, 154 },
{ 237, 298, 177, 193 },
{ 25, 85, 177, 193 }
};
} // End of namespace Access