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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 "common/random.h"
#include "common/error.h"
#include "adl/adl_v5.h"
#include "adl/display.h"
#include "adl/graphics.h"
namespace Adl {
AdlEngine_v5::AdlEngine_v5(OSystem *syst, const AdlGameDescription *gd) :
AdlEngine_v3(syst, gd),
_curDisk(0) {
}
Common::String AdlEngine_v5::loadMessage(uint idx) const {
Common::String str = AdlEngine_v2::loadMessage(idx);
for (uint i = 0; i < str.size(); ++i) {
const char *xorStr = "AVISDURGAN";
str.setChar(str[i] ^ xorStr[i % strlen(xorStr)], i);
}
return str;
}
Common::String AdlEngine_v5::getItemDescription(const Item &item) const {
return _itemDesc[item.id - 1];
}
void AdlEngine_v5::applyDiskOffset(byte &track, byte §or) const {
sector += _diskOffsets[_curDisk].sector;
if (sector >= 16) {
sector -= 16;
++track;
}
track += _diskOffsets[_curDisk].track;
}
void AdlEngine_v5::adjustDataBlockPtr(byte &track, byte §or, byte &offset, byte &size) const {
applyDiskOffset(track, sector);
}
typedef Common::Functor1Mem<ScriptEnv &, int, AdlEngine_v5> OpcodeV4;
#define SetOpcodeTable(x) table = &x;
#define Opcode(x) table->push_back(new OpcodeV4(this, &AdlEngine_v5::x))
#define OpcodeUnImpl() table->push_back(new OpcodeV4(this, 0))
void AdlEngine_v5::setupOpcodeTables() {
Common::Array<const Opcode *> *table = 0;
SetOpcodeTable(_condOpcodes);
// 0x00
OpcodeUnImpl();
Opcode(o2_isFirstTime);
Opcode(o2_isRandomGT);
Opcode(o5_isItemInRoom);
// 0x04
Opcode(o5_isNounNotInRoom);
Opcode(o1_isMovesGT);
Opcode(o1_isVarEQ);
Opcode(o2_isCarryingSomething);
// 0x08
Opcode(o5_isVarGT);
Opcode(o1_isCurPicEQ);
Opcode(o5_skipOneCommand);
SetOpcodeTable(_actOpcodes);
// 0x00
OpcodeUnImpl();
Opcode(o1_varAdd);
Opcode(o1_varSub);
Opcode(o1_varSet);
// 0x04
Opcode(o1_listInv);
Opcode(o5_moveItem);
Opcode(o1_setRoom);
Opcode(o2_setCurPic);
// 0x08
Opcode(o2_setPic);
Opcode(o1_printMsg);
Opcode(o5_dummy);
Opcode(o5_setTextMode);
// 0x0c
Opcode(o2_moveAllItems);
Opcode(o1_quit);
Opcode(o5_dummy);
Opcode(o2_save);
// 0x10
Opcode(o2_restore);
Opcode(o1_restart);
Opcode(o5_setDisk);
Opcode(o5_dummy);
// 0x14
Opcode(o1_resetPic);
Opcode(o1_goDirection<IDI_DIR_NORTH>);
Opcode(o1_goDirection<IDI_DIR_SOUTH>);
Opcode(o1_goDirection<IDI_DIR_EAST>);
// 0x18
Opcode(o1_goDirection<IDI_DIR_WEST>);
Opcode(o1_goDirection<IDI_DIR_UP>);
Opcode(o1_goDirection<IDI_DIR_DOWN>);
Opcode(o1_takeItem);
// 0x1c
Opcode(o1_dropItem);
Opcode(o1_setRoomPic);
Opcode(o5_sound);
OpcodeUnImpl();
// 0x20
Opcode(o2_initDisk);
}
int AdlEngine_v5::o5_isVarGT(ScriptEnv &e) {
OP_DEBUG_2("\t&& VARS[%d] > %d", e.arg(1), e.arg(2));
if (getVar(e.arg(1)) > e.arg(2))
return 2;
return -1;
}
int AdlEngine_v5::o5_skipOneCommand(ScriptEnv &e) {
OP_DEBUG_0("\t&& SKIP_ONE_COMMAND()");
_skipOneCommand = true;
setVar(2, 0);
return -1;
}
// FIXME: Rename "isLineArt" and look at code duplication
int AdlEngine_v5::o5_isItemInRoom(ScriptEnv &e) {
OP_DEBUG_2("\t&& GET_ITEM_ROOM(%s) == %s", itemStr(e.arg(1)).c_str(), itemRoomStr(e.arg(2)).c_str());
const Item &item = getItem(e.arg(1));
if (e.arg(2) != IDI_ANY && item.isLineArt != _curDisk)
return -1;
if (item.room == roomArg(e.arg(2)))
return 2;
return -1;
}
int AdlEngine_v5::o5_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;
setVar(24, 0);
for (item = _state.items.begin(); item != _state.items.end(); ++item)
if (item->noun == e.getNoun()) {
setVar(24, 1);
if (item->room == roomArg(e.arg(1)))
return -1;
}
return 1;
}
int AdlEngine_v5::o5_moveItem(ScriptEnv &e) {
OP_DEBUG_2("\tSET_ITEM_ROOM(%s, %s)", itemStr(e.arg(1)).c_str(), itemRoomStr(e.arg(2)).c_str());
byte room = roomArg(e.arg(2));
Item &item = getItem(e.arg(1));
if (item.room == _roomOnScreen)
_picOnScreen = 0;
// Set items that move from inventory to a room to state "dropped"
if (item.room == IDI_ANY && room != IDI_VOID_ROOM)
item.state = IDI_ITEM_DROPPED;
item.room = room;
item.isLineArt = _curDisk;
return 2;
}
int AdlEngine_v5::o5_dummy(ScriptEnv &e) {
OP_DEBUG_0("\tDUMMY()");
return 0;
}
int AdlEngine_v5::o5_setTextMode(ScriptEnv &e) {
OP_DEBUG_1("\tSET_TEXT_MODE(%d)", e.arg(1));
// TODO
// 1: 4-line mode
// 2: 24-line mode
switch (e.arg(1)) {
case 3:
// We re-use the restarting flag here, to simulate a long jump
_isRestarting = true;
return -1;
}
return 1;
}
int AdlEngine_v5::o5_setDisk(ScriptEnv &e) {
OP_DEBUG_2("\tSET_DISK(%d, %d)", e.arg(1), e.arg(2));
// TODO
// Arg 1: disk
// Arg 2: room
return 2;
}
int AdlEngine_v5::o5_sound(ScriptEnv &e) {
OP_DEBUG_0("\tSOUND()");
// TODO
return 0;
}
} // End of namespace Adl
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