368 lines
12 KiB
C++
368 lines
12 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 "HandleSys.h"
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#include "common_logic.h"
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#include "LumpManager.h"
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#include <algorithm>
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HandleType_t g_EntityLumpEntryType;
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std::string g_strMapEntities;
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bool g_bLumpAvailableForWriting = false;
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static EntityLumpManager s_LumpManager;
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EntityLumpManager *lumpmanager = &s_LumpManager;
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class LumpManagerNatives :
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public IHandleTypeDispatch,
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public SMGlobalClass
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{
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public: //SMGlobalClass
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void OnSourceModAllInitialized()
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{
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g_EntityLumpEntryType = handlesys->CreateType("EntityLumpEntry", this, 0, NULL, NULL, g_pCoreIdent, NULL);
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}
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void OnSourceModShutdown()
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{
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handlesys->RemoveType(g_EntityLumpEntryType, g_pCoreIdent);
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}
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public: //IHandleTypeDispatch
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void OnHandleDestroy(HandleType_t type, void* object)
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{
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if (type == g_EntityLumpEntryType)
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{
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delete reinterpret_cast<std::weak_ptr<EntityLumpEntry>*>(object);
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}
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}
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};
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static LumpManagerNatives s_LumpManagerNatives;
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cell_t sm_LumpManagerGet(IPluginContext *pContext, const cell_t *params) {
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int index = params[1];
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if (index < 0 || index >= static_cast<int>(lumpmanager->Length())) {
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return pContext->ThrowNativeError("Invalid index %d", index);
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}
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std::weak_ptr<EntityLumpEntry>* pReference = new std::weak_ptr<EntityLumpEntry>;
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*pReference = lumpmanager->Get(index);
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return handlesys->CreateHandle(g_EntityLumpEntryType, pReference,
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pContext->GetIdentity(), g_pCoreIdent, NULL);
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}
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cell_t sm_LumpManagerErase(IPluginContext *pContext, const cell_t *params) {
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if (!g_bLumpAvailableForWriting) {
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return pContext->ThrowNativeError("Cannot use EntityLump.Erase() outside of OnMapInit");
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}
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int index = params[1];
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if (index < 0 || index >= static_cast<int>(lumpmanager->Length())) {
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return pContext->ThrowNativeError("Invalid index %d", index);
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}
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lumpmanager->Erase(index);
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return 0;
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}
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cell_t sm_LumpManagerInsert(IPluginContext *pContext, const cell_t *params) {
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if (!g_bLumpAvailableForWriting) {
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return pContext->ThrowNativeError("Cannot use EntityLump.Insert() outside of OnMapInit");
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}
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int index = params[1];
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if (index < 0 || index > static_cast<int>(lumpmanager->Length())) {
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return pContext->ThrowNativeError("Invalid index %d", index);
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}
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lumpmanager->Insert(index);
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return 0;
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}
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cell_t sm_LumpManagerAppend(IPluginContext *pContext, const cell_t *params) {
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if (!g_bLumpAvailableForWriting) {
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return pContext->ThrowNativeError("Cannot use EntityLump.Append() outside of OnMapInit");
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}
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return lumpmanager->Append();
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}
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cell_t sm_LumpManagerLength(IPluginContext *pContext, const cell_t *params) {
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return lumpmanager->Length();
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}
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cell_t sm_LumpEntryGet(IPluginContext *pContext, const cell_t *params) {
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HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
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HandleError err;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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std::weak_ptr<EntityLumpEntry>* entryref = nullptr;
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if ((err = handlesys->ReadHandle(hndl, g_EntityLumpEntryType, &sec, (void**) &entryref)) != HandleError_None) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (error: %d)", hndl, err);
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}
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if (entryref->expired()) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (reference expired)", hndl);
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}
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auto entry = entryref->lock();
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int index = params[2];
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if (index < 0 || index >= static_cast<int>(entry->size())) {
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return pContext->ThrowNativeError("Invalid index %d", index);
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}
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const auto& pair = (*entry)[index];
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size_t nBytes;
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pContext->StringToLocalUTF8(params[3], params[4], pair.first.c_str(), &nBytes);
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pContext->StringToLocalUTF8(params[5], params[6], pair.second.c_str(), &nBytes);
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return 0;
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}
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cell_t sm_LumpEntryUpdate(IPluginContext *pContext, const cell_t *params) {
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HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
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HandleError err;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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std::weak_ptr<EntityLumpEntry>* entryref = nullptr;
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if ((err = handlesys->ReadHandle(hndl, g_EntityLumpEntryType, &sec, (void**) &entryref)) != HandleError_None) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (error: %d)", hndl, err);
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}
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if (entryref->expired()) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (reference expired)", hndl);
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}
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if (!g_bLumpAvailableForWriting) {
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return pContext->ThrowNativeError("Cannot use EntityLumpEntry.Update() outside of OnMapInit");
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}
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auto entry = entryref->lock();
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int index = params[2];
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if (index < 0 || index >= static_cast<int>(entry->size())) {
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return pContext->ThrowNativeError("Invalid index %d", index);
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}
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char *key, *value;
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pContext->LocalToStringNULL(params[3], &key);
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pContext->LocalToStringNULL(params[4], &value);
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auto& pair = (*entry)[index];
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if (key != nullptr) {
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pair.first = key;
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}
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if (value != nullptr) {
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pair.second = value;
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}
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return 0;
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}
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cell_t sm_LumpEntryInsert(IPluginContext *pContext, const cell_t *params) {
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HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
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HandleError err;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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std::weak_ptr<EntityLumpEntry>* entryref = nullptr;
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if ((err = handlesys->ReadHandle(hndl, g_EntityLumpEntryType, &sec, (void**) &entryref)) != HandleError_None) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (error: %d)", hndl, err);
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}
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if (entryref->expired()) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (reference expired)", hndl);
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}
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if (!g_bLumpAvailableForWriting) {
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return pContext->ThrowNativeError("Cannot use EntityLumpEntry.Insert() outside of OnMapInit");
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}
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auto entry = entryref->lock();
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int index = params[2];
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if (index < 0 || index > static_cast<int>(entry->size())) {
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return pContext->ThrowNativeError("Invalid index %d", index);
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}
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char *key, *value;
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pContext->LocalToString(params[3], &key);
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pContext->LocalToString(params[4], &value);
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entry->emplace(entry->begin() + index, key, value);
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return 0;
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}
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cell_t sm_LumpEntryErase(IPluginContext *pContext, const cell_t *params) {
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HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
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HandleError err;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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std::weak_ptr<EntityLumpEntry>* entryref = nullptr;
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if ((err = handlesys->ReadHandle(hndl, g_EntityLumpEntryType, &sec, (void**) &entryref)) != HandleError_None) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (error: %d)", hndl, err);
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}
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if (entryref->expired()) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (reference expired)", hndl);
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}
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if (!g_bLumpAvailableForWriting) {
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return pContext->ThrowNativeError("Cannot use EntityLumpEntry.Erase() outside of OnMapInit");
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}
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auto entry = entryref->lock();
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int index = params[2];
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if (index < 0 || index >= static_cast<int>(entry->size())) {
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return pContext->ThrowNativeError("Invalid index %d", index);
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}
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entry->erase(entry->begin() + index);
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return 0;
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}
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cell_t sm_LumpEntryAppend(IPluginContext *pContext, const cell_t *params) {
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HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
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HandleError err;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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std::weak_ptr<EntityLumpEntry>* entryref = nullptr;
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if ((err = handlesys->ReadHandle(hndl, g_EntityLumpEntryType, &sec, (void**) &entryref)) != HandleError_None) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (error: %d)", hndl, err);
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}
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if (entryref->expired()) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (reference expired)", hndl);
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}
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if (!g_bLumpAvailableForWriting) {
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return pContext->ThrowNativeError("Cannot use EntityLumpEntry.Append() outside of OnMapInit");
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}
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auto entry = entryref->lock();
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char *key, *value;
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pContext->LocalToString(params[2], &key);
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pContext->LocalToString(params[3], &value);
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entry->emplace_back(key, value);
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return 0;
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}
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cell_t sm_LumpEntryFindKey(IPluginContext *pContext, const cell_t *params) {
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HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
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HandleError err;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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std::weak_ptr<EntityLumpEntry>* entryref = nullptr;
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if ((err = handlesys->ReadHandle(hndl, g_EntityLumpEntryType, &sec, (void**) &entryref)) != HandleError_None) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (error: %d)", hndl, err);
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}
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if (entryref->expired()) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (reference expired)", hndl);
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}
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// start from the index after the current one
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int start = params[3] + 1;
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auto entry = entryref->lock();
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if (start < 0 || start >= static_cast<int>(entry->size())) {
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return -1;
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}
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char *key;
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pContext->LocalToString(params[2], &key);
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auto matches_key = [&key](std::pair<std::string,std::string> pair) {
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return pair.first == key;
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};
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auto result = std::find_if(entry->begin() + start, entry->end(), matches_key);
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if (result == entry->end()) {
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return -1;
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}
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return std::distance(entry->begin(), result);
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}
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cell_t sm_LumpEntryLength(IPluginContext *pContext, const cell_t *params) {
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HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
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HandleError err;
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Handle_t hndl = static_cast<Handle_t>(params[1]);
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std::weak_ptr<EntityLumpEntry>* entryref = nullptr;
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if ((err = handlesys->ReadHandle(hndl, g_EntityLumpEntryType, &sec, (void**) &entryref)) != HandleError_None) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (error: %d)", hndl, err);
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}
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if (entryref->expired()) {
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return pContext->ThrowNativeError("Invalid EntityLumpEntry handle %x (reference expired)", hndl);
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}
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auto entry = entryref->lock();
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return entry->size();
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}
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REGISTER_NATIVES(entityLumpNatives)
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{
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{ "EntityLump.Get", sm_LumpManagerGet },
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{ "EntityLump.Erase", sm_LumpManagerErase },
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{ "EntityLump.Insert", sm_LumpManagerInsert },
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{ "EntityLump.Append", sm_LumpManagerAppend },
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{ "EntityLump.Length", sm_LumpManagerLength },
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{ "EntityLumpEntry.Get", sm_LumpEntryGet },
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{ "EntityLumpEntry.Update", sm_LumpEntryUpdate },
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{ "EntityLumpEntry.Insert", sm_LumpEntryInsert },
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{ "EntityLumpEntry.Erase", sm_LumpEntryErase },
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{ "EntityLumpEntry.Append", sm_LumpEntryAppend },
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{ "EntityLumpEntry.FindKey", sm_LumpEntryFindKey },
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{ "EntityLumpEntry.Length.get", sm_LumpEntryLength },
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{NULL, NULL}
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};
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