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Location: cpp/openttd-patchpack/source/src/ai/ai_info.cpp - annotation
r27383:44f4e925c6f0
5.9 KiB
text/x-c
Codechange: Swap SocketList map key/value around.
This map is used store socket and address together, and, other than
checking that the address does not already have a socket, the data layout
does not seem particularly important.
However, as address is the key, technically it should not be modified,
and address may self-modify itself during comparisons.
This map is used store socket and address together, and, other than
checking that the address does not already have a socket, the data layout
does not seem particularly important.
However, as address is the key, technically it should not be modified,
and address may self-modify itself during comparisons.
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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_info.cpp Implementation of AIInfo and AILibrary */
#include "../stdafx.h"
#include "../script/squirrel_class.hpp"
#include "ai_info.hpp"
#include "ai_scanner.hpp"
#include "../debug.h"
#include "../string_func.h"
#include "../rev.h"
#include "../safeguards.h"
/**
* Check if the API version provided by the AI is supported.
* @param api_version The API version as provided by the AI.
*/
static bool CheckAPIVersion(const std::string &api_version)
{
static const std::set<std::string> versions = { "0.7", "1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "1.10", "1.11", "12", "13", "14" };
return versions.find(api_version) != versions.end();
}
#if defined(_WIN32)
#undef GetClassName
#endif /* _WIN32 */
template <> const char *GetClassName<AIInfo, ScriptType::AI>() { return "AIInfo"; }
/* static */ void AIInfo::RegisterAPI(Squirrel *engine)
{
/* Create the AIInfo class, and add the RegisterAI function */
DefSQClass<AIInfo, ScriptType::AI> SQAIInfo("AIInfo");
SQAIInfo.PreRegister(engine);
SQAIInfo.AddConstructor<void (AIInfo::*)(), 1>(engine, "x");
SQAIInfo.DefSQAdvancedMethod(engine, &AIInfo::AddSetting, "AddSetting");
SQAIInfo.DefSQAdvancedMethod(engine, &AIInfo::AddLabels, "AddLabels");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_NONE, "CONFIG_NONE");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_RANDOM, "CONFIG_RANDOM");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_BOOLEAN, "CONFIG_BOOLEAN");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_INGAME, "CONFIG_INGAME");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_DEVELOPER, "CONFIG_DEVELOPER");
/* Pre 1.2 had an AI prefix */
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_NONE, "AICONFIG_NONE");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_RANDOM, "AICONFIG_RANDOM");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_BOOLEAN, "AICONFIG_BOOLEAN");
SQAIInfo.DefSQConst(engine, SCRIPTCONFIG_INGAME, "AICONFIG_INGAME");
SQAIInfo.PostRegister(engine);
engine->AddMethod("RegisterAI", &AIInfo::Constructor, 2, "tx");
engine->AddMethod("RegisterDummyAI", &AIInfo::DummyConstructor, 2, "tx");
}
/* static */ SQInteger AIInfo::Constructor(HSQUIRRELVM vm)
{
/* Get the AIInfo */
SQUserPointer instance = nullptr;
if (SQ_FAILED(sq_getinstanceup(vm, 2, &instance, nullptr)) || instance == nullptr) return sq_throwerror(vm, "Pass an instance of a child class of AIInfo to RegisterAI");
AIInfo *info = (AIInfo *)instance;
SQInteger res = ScriptInfo::Constructor(vm, info);
if (res != 0) return res;
if (info->engine->MethodExists(info->SQ_instance, "MinVersionToLoad")) {
if (!info->engine->CallIntegerMethod(info->SQ_instance, "MinVersionToLoad", &info->min_loadable_version, MAX_GET_OPS)) return SQ_ERROR;
} else {
info->min_loadable_version = info->GetVersion();
}
/* When there is an UseAsRandomAI function, call it. */
if (info->engine->MethodExists(info->SQ_instance, "UseAsRandomAI")) {
if (!info->engine->CallBoolMethod(info->SQ_instance, "UseAsRandomAI", &info->use_as_random, MAX_GET_OPS)) return SQ_ERROR;
} else {
info->use_as_random = true;
}
/* Try to get the API version the AI is written for. */
if (info->engine->MethodExists(info->SQ_instance, "GetAPIVersion")) {
if (!info->engine->CallStringMethod(info->SQ_instance, "GetAPIVersion", &info->api_version, MAX_GET_OPS)) return SQ_ERROR;
if (!CheckAPIVersion(info->api_version)) {
Debug(script, 1, "Loading info.nut from ({}.{}): GetAPIVersion returned invalid version", info->GetName(), info->GetVersion());
return SQ_ERROR;
}
} else {
info->api_version = "0.7";
}
/* Remove the link to the real instance, else it might get deleted by RegisterAI() */
sq_setinstanceup(vm, 2, nullptr);
/* Register the AI to the base system */
info->GetScanner()->RegisterScript(info);
return 0;
}
/* static */ SQInteger AIInfo::DummyConstructor(HSQUIRRELVM vm)
{
/* Get the AIInfo */
SQUserPointer instance;
sq_getinstanceup(vm, 2, &instance, nullptr);
AIInfo *info = (AIInfo *)instance;
info->api_version = fmt::format("{}.{}", GB(_openttd_newgrf_version, 28, 4), GB(_openttd_newgrf_version, 24, 4));
SQInteger res = ScriptInfo::Constructor(vm, info);
if (res != 0) return res;
/* Remove the link to the real instance, else it might get deleted by RegisterAI() */
sq_setinstanceup(vm, 2, nullptr);
/* Register the AI to the base system */
static_cast<AIScannerInfo *>(info->GetScanner())->SetDummyAI(info);
return 0;
}
AIInfo::AIInfo() :
min_loadable_version(0),
use_as_random(false)
{
}
bool AIInfo::CanLoadFromVersion(int version) const
{
if (version == -1) return true;
return version >= this->min_loadable_version && version <= this->GetVersion();
}
/* static */ void AILibrary::RegisterAPI(Squirrel *engine)
{
/* Create the AILibrary class, and add the RegisterLibrary function */
engine->AddClassBegin("AILibrary");
engine->AddClassEnd();
engine->AddMethod("RegisterLibrary", &AILibrary::Constructor, 2, "tx");
}
/* static */ SQInteger AILibrary::Constructor(HSQUIRRELVM vm)
{
/* Create a new library */
AILibrary *library = new AILibrary();
SQInteger res = ScriptInfo::Constructor(vm, library);
if (res != 0) {
delete library;
return res;
}
/* Cache the category */
if (!library->CheckMethod("GetCategory") || !library->engine->CallStringMethod(library->SQ_instance, "GetCategory", &library->category, MAX_GET_OPS)) {
delete library;
return SQ_ERROR;
}
/* Register the Library to the base system */
library->GetScanner()->RegisterScript(library);
return 0;
}
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