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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 "xeen/patcher.h"
#include "xeen/xeen.h"
#include "xeen/map.h"
#include "xeen/party.h"
#include "common/memstream.h"
#include "common/serializer.h"
namespace Xeen {
struct ScriptEntry {
uint _gameId;
int _mapId;
const byte *_data;
};
const byte DS_MAP54_LINE8[] = { 8, 10, 10, DIR_EAST, 8, OP_MoveWallObj, 20, 100, 100 };
const byte SW_MAP53_LINE8[] = { 5, 14, 6, DIR_EAST, 8, OP_Exit };
const byte DS_MAP116[] = { 9, 10, 6, 4, 2, OP_TakeOrGive, 0, 0, 103, 127 };
#define SCRIPT_PATCHES_COUNT 3
static const ScriptEntry SCRIPT_PATCHES[] = {
{ GType_DarkSide, 54, DS_MAP54_LINE8 }, // Fix curtain on level 2 of Ellinger's Tower
{ GType_Swords, 53, SW_MAP53_LINE8 }, // Fix chest in Hart having gems, but saying "Nothing Here"
{ GType_DarkSide, 116, DS_MAP116 } // Fix statue in Dark Tower setting invalid world flag
};
/*------------------------------------------------------------------------*/
void Patcher::patch() {
patchScripts();
patchObjects();
}
void Patcher::patchScripts() {
FileManager &files = *g_vm->_files;
Map &map = *g_vm->_map;
Party &party = *g_vm->_party;
uint gameId = g_vm->getGameID();
if (gameId == GType_WorldOfXeen)
gameId = files._ccNum ? GType_DarkSide : GType_Clouds;
for (int patchIdx = 0; patchIdx < SCRIPT_PATCHES_COUNT; ++patchIdx) {
const ScriptEntry &se = SCRIPT_PATCHES[patchIdx];
if (se._gameId != gameId || se._mapId != party._mazeId)
continue;
MazeEvent evt;
Common::MemoryReadStream memStream(se._data, se._data[0] + 1);
Common::Serializer s(&memStream, nullptr);
evt.synchronize(s);
// Scan through the events to find a matching line
int idx = 0;
while (idx < (int)map._events.size() && (evt._position != map._events[idx]._position
|| evt._direction != map._events[idx]._direction || evt._line != map._events[idx]._line))
++idx;
// Set the event
if (idx == (int)map._events.size())
map._events.push_back(evt);
else
map._events[idx] = evt;
}
}
void Patcher::patchObjects() {
FileManager &files = *g_vm->_files;
Map &map = *g_vm->_map;
Party &party = *g_vm->_party;
if ((g_vm->getGameID() == GType_Clouds || (g_vm->getGameID() == GType_WorldOfXeen && !files._ccNum)) &&
party._mazeId == 24) {
// Remove floating statue in the distance off SE corner of Clouds of Xeen map
map._mobData._objects[15]._position = Common::Point(-128, -128);
}
}
} // End of namespace Xeen
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