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/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ai_sl.cpp Handles the saveload part of the AIs */
#include "../stdafx.h"
#include "../company_base.h"
#include "../debug.h"
#include "saveload.h"
#include "../string_func.h"
#include "../ai/ai.hpp"
#include "../ai/ai_config.hpp"
#include "../network/network.h"
#include "../ai/ai_instance.hpp"
#include "../safeguards.h"
static std::string _ai_saveload_name;
static int _ai_saveload_version;
static std::string _ai_saveload_settings;
static bool _ai_saveload_is_random;
static const SaveLoad _ai_company[] = {
SLEG_SSTR("name", _ai_saveload_name, SLE_STR),
SLEG_SSTR("settings", _ai_saveload_settings, SLE_STR),
SLEG_CONDVAR("version", _ai_saveload_version, SLE_UINT32, SLV_108, SL_MAX_VERSION),
SLEG_CONDVAR("is_random", _ai_saveload_is_random, SLE_BOOL, SLV_136, SL_MAX_VERSION),
};
static void SaveReal_AIPL(int *index_ptr)
{
CompanyID index = (CompanyID)*index_ptr;
AIConfig *config = AIConfig::GetConfig(index);
if (config->HasScript()) {
_ai_saveload_name = config->GetName();
_ai_saveload_version = config->GetVersion();
} else {
/* No AI is configured for this so store an empty string as name. */
_ai_saveload_name.clear();
_ai_saveload_version = -1;
}
_ai_saveload_is_random = config->IsRandom();
_ai_saveload_settings = config->SettingsToString();
SlObject(nullptr, _ai_company);
/* If the AI was active, store its data too */
if (Company::IsValidAiID(index)) AI::Save(index);
}
static void Load_AIPL()
{
/* Free all current data */
for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
AIConfig::GetConfig(c, AIConfig::SSS_FORCE_GAME)->Change(nullptr);
}
CompanyID index;
while ((index = (CompanyID)SlIterateArray()) != (CompanyID)-1) {
if (index >= MAX_COMPANIES) SlErrorCorrupt("Too many AI configs");
_ai_saveload_is_random = false;
_ai_saveload_version = -1;
SlObject(nullptr, _ai_company);
if (_networking && !_network_server) {
if (Company::IsValidAiID(index)) AIInstance::LoadEmpty();
continue;
}
AIConfig *config = AIConfig::GetConfig(index, AIConfig::SSS_FORCE_GAME);
if (_ai_saveload_name.empty()) {
/* A random AI. */
config->Change(nullptr, -1, false, true);
} else {
config->Change(_ai_saveload_name.c_str(), _ai_saveload_version, false, _ai_saveload_is_random);
if (!config->HasScript()) {
/* No version of the AI available that can load the data. Try to load the
* latest version of the AI instead. */
config->Change(_ai_saveload_name.c_str(), -1, false, _ai_saveload_is_random);
if (!config->HasScript()) {
if (_ai_saveload_name.compare("%_dummy") != 0) {
Debug(script, 0, "The savegame has an AI by the name '{}', version {} which is no longer available.", _ai_saveload_name, _ai_saveload_version);
Debug(script, 0, "A random other AI will be loaded in its place.");
} else {
Debug(script, 0, "The savegame had no AIs available at the time of saving.");
Debug(script, 0, "A random available AI will be loaded now.");
}
} else {
Debug(script, 0, "The savegame has an AI by the name '{}', version {} which is no longer available.", _ai_saveload_name, _ai_saveload_version);
Debug(script, 0, "The latest version of that AI has been loaded instead, but it'll not get the savegame data as it's incompatible.");
}
/* Make sure the AI doesn't get the saveload data, as it was not the
* writer of the saveload data in the first place */
_ai_saveload_version = -1;
}
}
config->StringToSettings(_ai_saveload_settings);
/* Start the AI directly if it was active in the savegame */
if (Company::IsValidAiID(index)) {
AI::StartNew(index, false);
AI::Load(index, _ai_saveload_version);
}
}
}
static void Save_AIPL()
{
for (int i = COMPANY_FIRST; i < MAX_COMPANIES; i++) {
SlSetArrayIndex(i);
SlAutolength((AutolengthProc *)SaveReal_AIPL, &i);
}
}
static const ChunkHandler ai_chunk_handlers[] = {
{ 'AIPL', Save_AIPL, Load_AIPL, nullptr, nullptr, CH_ARRAY },
};
extern const ChunkHandlerTable _ai_chunk_handlers(ai_chunk_handlers);
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