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102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "xeen/patcher.h"
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#include "xeen/xeen.h"
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#include "xeen/map.h"
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#include "xeen/party.h"
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#include "common/memstream.h"
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#include "common/serializer.h"
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namespace Xeen {
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struct ScriptEntry {
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uint _gameId;
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int _mapId;
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const byte *_data;
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};
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const byte DS_MAP54_LINE8[] = { 8, 10, 10, DIR_EAST, 8, OP_MoveWallObj, 20, 100, 100 };
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const byte SW_MAP53_LINE8[] = { 5, 14, 6, DIR_EAST, 8, OP_Exit };
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const byte DS_MAP116[] = { 9, 10, 6, 4, 2, OP_TakeOrGive, 0, 0, 103, 127 };
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#define SCRIPT_PATCHES_COUNT 3
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static const ScriptEntry SCRIPT_PATCHES[] = {
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{ GType_DarkSide, 54, DS_MAP54_LINE8 }, // Fix curtain on level 2 of Ellinger's Tower
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{ GType_Swords, 53, SW_MAP53_LINE8 }, // Fix chest in Hart having gems, but saying "Nothing Here"
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{ GType_DarkSide, 116, DS_MAP116 } // Fix statue in Dark Tower setting invalid world flag
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};
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/*------------------------------------------------------------------------*/
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void Patcher::patch() {
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patchScripts();
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patchObjects();
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}
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void Patcher::patchScripts() {
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FileManager &files = *g_vm->_files;
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Map &map = *g_vm->_map;
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Party &party = *g_vm->_party;
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uint gameId = g_vm->getGameID();
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if (gameId == GType_WorldOfXeen)
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gameId = files._ccNum ? GType_DarkSide : GType_Clouds;
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for (int patchIdx = 0; patchIdx < SCRIPT_PATCHES_COUNT; ++patchIdx) {
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const ScriptEntry &se = SCRIPT_PATCHES[patchIdx];
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if (se._gameId != gameId || se._mapId != party._mazeId)
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continue;
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MazeEvent evt;
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Common::MemoryReadStream memStream(se._data, se._data[0] + 1);
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Common::Serializer s(&memStream, nullptr);
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evt.synchronize(s);
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// Scan through the events to find a matching line
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int idx = 0;
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while (idx < (int)map._events.size() && (evt._position != map._events[idx]._position
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|| evt._direction != map._events[idx]._direction || evt._line != map._events[idx]._line))
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++idx;
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// Set the event
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if (idx == (int)map._events.size())
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map._events.push_back(evt);
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else
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map._events[idx] = evt;
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}
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}
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void Patcher::patchObjects() {
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FileManager &files = *g_vm->_files;
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Map &map = *g_vm->_map;
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Party &party = *g_vm->_party;
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if ((g_vm->getGameID() == GType_Clouds || (g_vm->getGameID() == GType_WorldOfXeen && !files._ccNum)) &&
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party._mazeId == 24) {
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// Remove floating statue in the distance off SE corner of Clouds of Xeen map
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map._mobData._objects[15]._position = Common::Point(-128, -128);
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}
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}
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} // End of namespace Xeen
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