6c5a3fdaf2
On NMRiH and possibly other games that use the Maphacks system, entries that are modified using that system are rendered with tab characters stripped out - see CNMRiHMapHackManager::GetEntDataString. That results in there being no separators at all between keys and values, as Maphacks receives the serialized string from Entity Lump Manager. This commit changes the key / value separator character to use spaces instead. This discovery upsets me greatly. Fixes #1833.
132 lines
3.9 KiB
C++
132 lines
3.9 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* Entity Lump Manager
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* Copyright (C) 2021-2022 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#include "LumpManager.h"
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#include <iomanip>
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#include <sstream>
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EntityLumpParseResult::operator bool() const {
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return m_Status == Status_OK;
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}
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EntityLumpParseResult EntityLumpManager::Parse(const char* pMapEntities) {
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m_Entities.clear();
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std::istringstream mapEntities(pMapEntities);
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for (;;) {
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std::string token;
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mapEntities >> std::ws >> token >> std::ws;
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// Assert that we're at the start of a new block, otherwise we're done parsing
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if (token != "{") {
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if (token == "\0") {
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break;
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} else {
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return EntityLumpParseResult {
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Status_UnexpectedChar, mapEntities.tellg()
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};
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}
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}
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/**
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* Parse key / value pairs until we reach a closing brace. We currently assume there
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* are only quoted keys / values up to the next closing brace.
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*
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* The SDK suggests that there are cases that could use non-quoted symbols and nested
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* braces (`shared/mapentities_shared.cpp::MapEntity_ParseToken`), but I haven't seen
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* those in practice.
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*/
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EntityLumpEntry entry;
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while (mapEntities.peek() != '}') {
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std::string key, value;
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if (mapEntities.peek() != '"') {
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return EntityLumpParseResult {
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Status_UnexpectedChar, mapEntities.tellg()
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};
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}
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mapEntities >> quoted(key) >> std::ws;
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if (mapEntities.peek() != '"') {
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return EntityLumpParseResult {
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Status_UnexpectedChar, mapEntities.tellg()
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};
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}
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mapEntities >> quoted(value) >> std::ws;
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entry.emplace_back(key, value);
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}
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mapEntities.get();
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m_Entities.push_back(std::make_shared<EntityLumpEntry>(entry));
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}
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return EntityLumpParseResult{};
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}
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std::string EntityLumpManager::Dump() {
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std::ostringstream stream;
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for (const auto& entry : m_Entities) {
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// ignore empty entries
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if (entry->empty()) {
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continue;
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}
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stream << "{\n";
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for (const auto& pair : *entry) {
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stream << '"' << pair.first << "\" \"" << pair.second << '"' << '\n';
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}
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stream << "}\n";
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}
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return stream.str();
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}
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std::weak_ptr<EntityLumpEntry> EntityLumpManager::Get(size_t index) {
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return m_Entities[index];
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}
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void EntityLumpManager::Erase(size_t index) {
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m_Entities.erase(m_Entities.begin() + index);
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}
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void EntityLumpManager::Insert(size_t index) {
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m_Entities.emplace(m_Entities.begin() + index, std::make_shared<EntityLumpEntry>());
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}
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size_t EntityLumpManager::Append() {
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auto it = m_Entities.emplace(m_Entities.end(), std::make_shared<EntityLumpEntry>());
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return std::distance(m_Entities.begin(), it);
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}
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size_t EntityLumpManager::Length() {
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return m_Entities.size();
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}
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