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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 "adl/adl_v3.h"
namespace Adl {
AdlEngine_v3::AdlEngine_v3(OSystem *syst, const AdlGameDescription *gd) :
AdlEngine_v2(syst, gd) {
}
Common::String AdlEngine_v3::getItemDescription(const Item &item) const {
return _itemDesc[item.description - 1];
}
void AdlEngine_v3::loadItemDescriptions(Common::SeekableReadStream &stream, byte count) {
int32 startPos = stream.pos();
uint16 baseAddr = stream.readUint16LE();
// This code assumes that the first pointer points to a string that
// directly follows the pointer table
assert(baseAddr != 0);
baseAddr -= count * 2;
for (uint i = 0; i < count; ++i) {
stream.seek(startPos + i * 2);
uint16 offset = stream.readUint16LE();
if (offset > 0) {
stream.seek(startPos + offset - baseAddr);
_itemDesc.push_back(readString(stream, 0xff));
} else
_itemDesc.push_back(Common::String());
}
if (stream.eos() || stream.err())
error("Error loading item descriptions");
}
typedef Common::Functor1Mem<ScriptEnv &, int, AdlEngine_v3> OpcodeV3;
void AdlEngine_v3::setupOpcodeTables() {
AdlEngine_v2::setupOpcodeTables();
delete _condOpcodes[0x04];
_condOpcodes[0x04] = new OpcodeV3(this, &AdlEngine_v3::o3_isNounNotInRoom);
}
int AdlEngine_v3::o3_isNounNotInRoom(ScriptEnv &e) {
OP_DEBUG_1("\t&& NO_SUCH_ITEMS_IN_ROOM(%s)", itemRoomStr(e.arg(1)).c_str());
Common::List<Item>::const_iterator item;
bool isAnItem = false;
for (item = _state.items.begin(); item != _state.items.end(); ++item) {
if (item->noun == e.getNoun()) {
isAnItem = true;
if (item->room == roomArg(e.arg(1)))
return -1;
}
}
return (isAnItem ? 1 : -1);
}
} // End of namespace Adl
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