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#include "StdAfx.h"
#include <fstream>
#include "mmgr.h"
#include "ExternalAI/EngineOutHandler.h"
#include "LoadSaveHandler.h"
#include "Map/ReadMap.h"
#include "Sim/Features/FeatureHandler.h"
#include "Sim/Units/UnitHandler.h"
#include "Sim/Misc/RadarHandler.h"
#include "Sim/Misc/LosHandler.h"
#include "Sim/Misc/InterceptHandler.h"
#include "Sim/Misc/AirBaseHandler.h"
#include "Sim/Misc/QuadField.h"
#include "Sim/Misc/CategoryHandler.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "Platform/errorhandler.h"
#include "FileSystem/FileSystem.h"
#include "creg/Serializer.h"
#include "Game/Game.h"
#include "Game/GameSetup.h"
#include "Game/GameServer.h"
#include "Sim/Misc/TeamHandler.h"
#include "LogOutput.h"
#include "Game/WaitCommandsAI.h"
#include "Sim/Misc/Wind.h"
#include "Sim/Units/CommandAI/BuilderCAI.h"
#include "Sim/Units/Groups/GroupHandler.h"
#include "Game/GameServer.h"
#include "Rendering/InMapDraw.h"
#include "GlobalUnsynced.h"
#include "Exceptions.h"
CLoadSaveHandler::CLoadSaveHandler(void)
{}
CLoadSaveHandler::~CLoadSaveHandler(void)
{}
class CGameStateCollector
{
CR_DECLARE(CGameStateCollector);
public:
CGameStateCollector() {}
void Serialize(creg::ISerializer& s);
std::string mapName, modName;
};
CR_BIND(CGameStateCollector, );
CR_REG_METADATA(CGameStateCollector, CR_SERIALIZER(Serialize));
static void WriteString(std::ostream& s, std::string& str)
{
char c;
// write the string char by char
for (unsigned int a=0; a < str.length(); a++) {
c = str[a];
s.write(&c, sizeof(char));
}
// write the string-termination NULL char
c = '\0';
s.write(&c,sizeof(char));
}
static void ReadString(std::istream& s, std::string& str)
{
char c;
// read until string-termination NULL char is encountered
s.read(&c, sizeof(char));
while (c != '\0') {
str += c;
s.read(&c, sizeof(char));
}
}
void CGameStateCollector::Serialize(creg::ISerializer& s)
{
// GetClass() works because readmap and uh both have to exist already
s.SerializeObjectInstance(gs, gs->GetClass());
s.SerializeObjectInstance(gu, gu->GetClass());
s.SerializeObjectInstance(game, game->GetClass());
s.SerializeObjectInstance(readmap, readmap->GetClass());
s.SerializeObjectInstance(qf, qf->GetClass());
s.SerializeObjectInstance(featureHandler, featureHandler->GetClass());
s.SerializeObjectInstance(loshandler, loshandler->GetClass());
s.SerializeObjectInstance(radarhandler, radarhandler->GetClass());
s.SerializeObjectInstance(airBaseHandler, airBaseHandler->GetClass());
s.SerializeObjectInstance(&interceptHandler, interceptHandler.GetClass());
s.SerializeObjectInstance(CCategoryHandler::Instance(), CCategoryHandler::Instance()->GetClass());
s.SerializeObjectInstance(uh, uh->GetClass());
s.SerializeObjectInstance(ph, ph->GetClass());
// std::map<std::string, int> unitRestrictions;
s.SerializeObjectInstance(&waitCommandsAI, waitCommandsAI.GetClass());
s.SerializeObjectInstance(&wind, wind.GetClass());
s.SerializeObjectInstance(inMapDrawer,inMapDrawer->GetClass());
for (int a=0; a < teamHandler->ActiveTeams(); a++) {
s.SerializeObjectInstance(grouphandlers[a], grouphandlers[a]->GetClass());
}
s.SerializeObjectInstance(eoh, eoh->GetClass());
// s.Serialize()
}
void PrintSize(const char *txt, int size)
{
if (size>1024*1024*1024) logOutput.Print("%s %.1f GB",txt,size/(1024.0f*1024*1024)); else
if (size> 1024*1024) logOutput.Print("%s %.1f MB",txt,size/(1024.0f*1024 )); else
if (size> 1024) logOutput.Print("%s %.1f KB",txt,size/(1024.0f )); else
logOutput.Print("%s %u B",txt,size);
}
void CLoadSaveHandler::SaveGame(const std::string& file)
{
RandomStartPicture(teamHandler->Team(gu->myTeam)->side);
PrintLoadMsg("Saving game");
try {
std::ofstream ofs(filesystem.LocateFile(file, FileSystem::WRITE).c_str(), std::ios::out|std::ios::binary);
if (ofs.bad() || !ofs.is_open()) {
throw content_error("Unable to save game to file \"" + file + "\"");
}
std::string scriptText;
if (gameSetup) {
scriptText = gameSetup->gameSetupText;
}
WriteString(ofs, scriptText);
WriteString(ofs, modName);
WriteString(ofs, mapName);
CGameStateCollector *gsc = new CGameStateCollector();
creg::COutputStreamSerializer os;
os.SavePackage(&ofs, gsc, gsc->GetClass());
PrintSize("Game",ofs.tellp());
int aistart = ofs.tellp();
for (int a=0; a < teamHandler->ActiveTeams();a++)
grouphandlers[a]->Save(&ofs);
eoh->Save(&ofs);
PrintSize("AIs",((int)ofs.tellp())-aistart);
} catch (content_error &e) {
logOutput.Print("Save failed(content error): %s",e.what());
} catch (std::exception &e) {
logOutput.Print("Save failed: %s",e.what());
} catch (char* &e) {
logOutput.Print("Save failed: %s",e);
} catch (...) {
logOutput.Print("Save failed(unknwon error)");
}
UnloadStartPicture();
}
/// this just loads the mapname and some other early stuff
void CLoadSaveHandler::LoadGameStartInfo(const std::string& file)
{
ifs = new std::ifstream (filesystem.LocateFile(file).c_str(), std::ios::in|std::ios::binary);
// in case these contained values alredy
// (this is the case when loading a game through the spring menu eg),
// we set them to empty strings, as ReadString() does append,
// and we would end up with the correct value but two times
// eg: "AbcAbc" instead of "Abc"
scriptText = "";
modName = "";
mapName = "";
ReadString(*ifs, scriptText);
if (!scriptText.empty() && !gameSetup) {
CGameSetup* temp = new CGameSetup();
if (!temp->Init(scriptText)) {
delete temp;
temp = 0;
} else {
temp->saveName = file;
gameSetup = temp;
}
}
ReadString(*ifs, modName);
ReadString(*ifs, mapName);
}
/// this should be called on frame 0 when the game has started
void CLoadSaveHandler::LoadGame()
{
RandomStartPicture(teamHandler->Team(gu->myTeam)->side);
PrintLoadMsg("Loading game");
creg::CInputStreamSerializer inputStream;
void *pGSC = 0;
creg::Class* gsccls = 0;
inputStream.LoadPackage(ifs, pGSC, gsccls);
assert (pGSC && gsccls == CGameStateCollector::StaticClass());
CGameStateCollector *gsc = (CGameStateCollector *)pGSC;
delete gsc; // the only job of gsc is to collect gamestate data
for (int a=0; a < teamHandler->ActiveTeams();a++)
grouphandlers[a]->Load(ifs);
eoh->Load(ifs);
delete ifs;
//for (int a=0; a < teamHandler->ActiveTeams(); a++) { // For old savegames
// if (teamHandler->Team(a)->isDead && eoh->IsSkirmishAI(a)) {
// eoh->DestroySkirmishAI(skirmishAIId(a), 2 /* = team died */);
// }
//}
gs->paused = false;
if (gameServer) {
gameServer->isPaused = false;
gameServer->syncErrorFrame = 0;
}
UnloadStartPicture();
}
std::string CLoadSaveHandler::FindSaveFile(const char* name)
{
std::string name2 = name;
#ifdef _WIN32
if (name2.find(":\\")==std::string::npos)
name2 = "Saves\\" + name2;
#else
if (name2.find("/")==std::string::npos)
name2 = "Saves/" + name2;
#endif
return name2;
}
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