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/* Copyright (C) 2018 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "Game.h"
#include "graphics/GameView.h"
#include "graphics/LOSTexture.h"
#include "graphics/ParticleManager.h"
#include "graphics/UnitManager.h"
#include "gui/GUIManager.h"
#include "gui/CGUI.h"
#include "lib/config2.h"
#include "lib/timer.h"
#include "network/NetClient.h"
#include "network/NetServer.h"
#include "ps/CConsole.h"
#include "ps/CLogger.h"
#include "ps/CStr.h"
#include "ps/Loader.h"
#include "ps/LoaderThunks.h"
#include "ps/Profile.h"
#include "ps/Replay.h"
#include "ps/Shapes.h"
#include "ps/World.h"
#include "ps/GameSetup/GameSetup.h"
#include "renderer/Renderer.h"
#include "renderer/TimeManager.h"
#include "renderer/WaterManager.h"
#include "scriptinterface/ScriptInterface.h"
#include "simulation2/Simulation2.h"
#include "simulation2/components/ICmpPlayer.h"
#include "simulation2/components/ICmpPlayerManager.h"
#include "simulation2/system/ReplayTurnManager.h"
#include "soundmanager/ISoundManager.h"
#include "tools/atlas/GameInterface/GameLoop.h"
extern bool g_GameRestarted;
extern GameLoopState* g_AtlasGameLoop;
/**
* Globally accessible pointer to the CGame object.
**/
CGame *g_Game=NULL;
/**
* Constructor
*
**/
CGame::CGame(bool disableGraphics, bool replayLog):
m_World(new CWorld(this)),
m_Simulation2(new CSimulation2(&m_World->GetUnitManager(), g_ScriptRuntime, m_World->GetTerrain())),
m_GameView(disableGraphics ? NULL : new CGameView(this)),
m_GameStarted(false),
m_Paused(false),
m_SimRate(1.0f),
m_PlayerID(-1),
m_ViewedPlayerID(-1),
m_IsSavedGame(false),
m_IsVisualReplay(false),
m_ReplayStream(NULL)
{
// TODO: should use CDummyReplayLogger unless activated by cmd-line arg, perhaps?
if (replayLog)
m_ReplayLogger = new CReplayLogger(m_Simulation2->GetScriptInterface());
else
m_ReplayLogger = new CDummyReplayLogger();
// Need to set the CObjectManager references after various objects have
// been initialised, so do it here rather than via the initialisers above.
if (m_GameView)
m_World->GetUnitManager().SetObjectManager(m_GameView->GetObjectManager());
m_TurnManager = new CLocalTurnManager(*m_Simulation2, GetReplayLogger()); // this will get replaced if we're a net server/client
m_Simulation2->LoadDefaultScripts();
}
/**
* Destructor
*
**/
CGame::~CGame()
{
// Again, the in-game call tree is going to be different to the main menu one.
if (CProfileManager::IsInitialised())
g_Profiler.StructuralReset();
delete m_TurnManager;
delete m_GameView;
delete m_Simulation2;
delete m_World;
delete m_ReplayLogger;
delete m_ReplayStream;
}
void CGame::SetTurnManager(CTurnManager* turnManager)
{
if (m_TurnManager)
delete m_TurnManager;
m_TurnManager = turnManager;
if (m_TurnManager)
m_TurnManager->SetPlayerID(m_PlayerID);
}
int CGame::LoadVisualReplayData()
{
ENSURE(m_IsVisualReplay);
ENSURE(!m_ReplayPath.empty());
ENSURE(m_ReplayStream);
CReplayTurnManager* replayTurnMgr = static_cast<CReplayTurnManager*>(GetTurnManager());
u32 currentTurn = 0;
std::string type;
while ((*m_ReplayStream >> type).good())
{
if (type == "turn")
{
u32 turn = 0;
u32 turnLength = 0;
*m_ReplayStream >> turn >> turnLength;
ENSURE(turn == currentTurn && "You tried to replay a commands.txt file of a rejoined client. Please use the host's file.");
replayTurnMgr->StoreReplayTurnLength(currentTurn, turnLength);
}
else if (type == "cmd")
{
player_id_t player;
*m_ReplayStream >> player;
std::string line;
std::getline(*m_ReplayStream, line);
replayTurnMgr->StoreReplayCommand(currentTurn, player, line);
}
else if (type == "hash" || type == "hash-quick")
{
bool quick = (type == "hash-quick");
std::string replayHash;
*m_ReplayStream >> replayHash;
replayTurnMgr->StoreReplayHash(currentTurn, replayHash, quick);
}
else if (type == "end")
++currentTurn;
else
CancelLoad(L"Failed to load replay data (unrecognized content)");
}
SAFE_DELETE(m_ReplayStream);
m_FinalReplayTurn = currentTurn > 0 ? currentTurn - 1 : 0;
replayTurnMgr->StoreFinalReplayTurn(m_FinalReplayTurn);
return 0;
}
bool CGame::StartVisualReplay(const OsPath& replayPath)
{
debug_printf("Starting to replay %s\n", replayPath.string8().c_str());
m_IsVisualReplay = true;
SetTurnManager(new CReplayTurnManager(*m_Simulation2, GetReplayLogger()));
m_ReplayPath = replayPath;
m_ReplayStream = new std::ifstream(OsString(replayPath).c_str());
std::string type;
ENSURE((*m_ReplayStream >> type).good() && type == "start");
std::string line;
std::getline(*m_ReplayStream, line);
const ScriptInterface& scriptInterface = m_Simulation2->GetScriptInterface();
JSContext* cx = scriptInterface.GetContext();
JSAutoRequest rq(cx);
JS::RootedValue attribs(cx);
scriptInterface.ParseJSON(line, &attribs);
StartGame(&attribs, "");
return true;
}
/**
* Initializes the game with the set of attributes provided.
* Makes calls to initialize the game view, world, and simulation objects.
* Calls are made to facilitate progress reporting of the initialization.
**/
void CGame::RegisterInit(const JS::HandleValue attribs, const std::string& savedState)
{
const ScriptInterface& scriptInterface = m_Simulation2->GetScriptInterface();
JSContext* cx = scriptInterface.GetContext();
JSAutoRequest rq(cx);
m_InitialSavedState = savedState;
m_IsSavedGame = !savedState.empty();
m_Simulation2->SetInitAttributes(attribs);
std::string mapType;
scriptInterface.GetProperty(attribs, "mapType", mapType);
float speed;
if (scriptInterface.HasProperty(attribs, "gameSpeed") && scriptInterface.GetProperty(attribs, "gameSpeed", speed))
SetSimRate(speed);
LDR_BeginRegistering();
RegMemFun(m_Simulation2, &CSimulation2::ProgressiveLoad, L"Simulation init", 1000);
// RC, 040804 - GameView needs to be initialized before World, otherwise GameView initialization
// overwrites anything stored in the map file that gets loaded by CWorld::Initialize with default
// values. At the minute, it's just lighting settings, but could be extended to store camera position.
// Storing lighting settings in the game view seems a little odd, but it's no big deal; maybe move it at
// some point to be stored in the world object?
if (m_GameView)
m_GameView->RegisterInit();
if (mapType == "random")
{
// Load random map attributes
std::wstring scriptFile;
JS::RootedValue settings(cx);
scriptInterface.GetProperty(attribs, "script", scriptFile);
scriptInterface.GetProperty(attribs, "settings", &settings);
m_World->RegisterInitRMS(scriptFile, scriptInterface.GetJSRuntime(), settings, m_PlayerID);
}
else
{
std::wstring mapFile;
JS::RootedValue settings(cx);
scriptInterface.GetProperty(attribs, "map", mapFile);
scriptInterface.GetProperty(attribs, "settings", &settings);
m_World->RegisterInit(mapFile, scriptInterface.GetJSRuntime(), settings, m_PlayerID);
}
if (m_GameView)
RegMemFun(g_Renderer.GetSingletonPtr()->GetWaterManager(), &WaterManager::LoadWaterTextures, L"LoadWaterTextures", 80);
if (m_IsSavedGame)
RegMemFun(this, &CGame::LoadInitialState, L"Loading game", 1000);
if (m_IsVisualReplay)
RegMemFun(this, &CGame::LoadVisualReplayData, L"Loading visual replay data", 1000);
LDR_EndRegistering();
}
int CGame::LoadInitialState()
{
ENSURE(m_IsSavedGame);
ENSURE(!m_InitialSavedState.empty());
std::string state;
m_InitialSavedState.swap(state); // deletes the original to save a bit of memory
std::stringstream stream(state);
bool ok = m_Simulation2->DeserializeState(stream);
if (!ok)
{
CancelLoad(L"Failed to load saved game state. It might have been\nsaved with an incompatible version of the game.");
return 0;
}
return 0;
}
/**
* Game initialization has been completed. Set game started flag and start the session.
*
* @return PSRETURN 0
**/
PSRETURN CGame::ReallyStartGame()
{
JSContext* cx = m_Simulation2->GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
// Call the script function InitGame only for new games, not saved games
if (!m_IsSavedGame)
{
// Perform some simulation initializations (replace skirmish entities, explore territories, etc.)
// that needs to be done before setting up the AI and shouldn't be done in Atlas
if (!g_AtlasGameLoop->running)
m_Simulation2->PreInitGame();
m_Simulation2->InitGame();
}
// We need to do an initial Interpolate call to set up all the models etc,
// because Update might never interpolate (e.g. if the game starts paused)
// and we could end up rendering before having set up any models (so they'd
// all be invisible)
Interpolate(0, 0);
m_GameStarted=true;
// Render a frame to begin loading assets
if (CRenderer::IsInitialised())
Render();
if (g_NetClient)
g_NetClient->LoadFinished();
// Call the reallyStartGame GUI function, but only if it exists
if (g_GUI && g_GUI->HasPages())
{
JS::RootedValue global(cx, g_GUI->GetActiveGUI()->GetGlobalObject());
if (g_GUI->GetActiveGUI()->GetScriptInterface()->HasProperty(global, "reallyStartGame"))
g_GUI->GetActiveGUI()->GetScriptInterface()->CallFunctionVoid(global, "reallyStartGame");
}
debug_printf("GAME STARTED, ALL INIT COMPLETE\n");
// The call tree we've built for pregame probably isn't useful in-game.
if (CProfileManager::IsInitialised())
g_Profiler.StructuralReset();
g_GameRestarted = true;
return 0;
}
int CGame::GetPlayerID()
{
return m_PlayerID;
}
void CGame::SetPlayerID(player_id_t playerID)
{
m_PlayerID = playerID;
m_ViewedPlayerID = playerID;
if (m_TurnManager)
m_TurnManager->SetPlayerID(m_PlayerID);
}
int CGame::GetViewedPlayerID()
{
return m_ViewedPlayerID;
}
void CGame::SetViewedPlayerID(player_id_t playerID)
{
m_ViewedPlayerID = playerID;
}
void CGame::StartGame(JS::MutableHandleValue attribs, const std::string& savedState)
{
if (m_ReplayLogger)
m_ReplayLogger->StartGame(attribs);
RegisterInit(attribs, savedState);
}
// TODO: doInterpolate is optional because Atlas interpolates explicitly,
// so that it has more control over the update rate. The game might want to
// do the same, and then doInterpolate should be redundant and removed.
void CGame::Update(const double deltaRealTime, bool doInterpolate)
{
if (m_Paused || !m_TurnManager)
return;
const double deltaSimTime = deltaRealTime * m_SimRate;
if (deltaSimTime)
{
// To avoid confusing the profiler, we need to trigger the new turn
// while we're not nested inside any PROFILE blocks
if (m_TurnManager->WillUpdate(deltaSimTime))
g_Profiler.Turn();
// At the normal sim rate, we currently want to render at least one
// frame per simulation turn, so let maxTurns be 1. But for fast-forward
// sim rates we want to allow more, so it's not bounded by framerate,
// so just use the sim rate itself as the number of turns per frame.
size_t maxTurns = (size_t)m_SimRate;
if (m_TurnManager->Update(deltaSimTime, maxTurns))
{
{
PROFILE3("gui sim update");
g_GUI->SendEventToAll("SimulationUpdate");
}
GetView()->GetLOSTexture().MakeDirty();
}
if (CRenderer::IsInitialised())
g_Renderer.GetTimeManager().Update(deltaSimTime);
}
if (doInterpolate)
{
m_TurnManager->Interpolate(deltaSimTime, deltaRealTime);
if ( g_SoundManager )
g_SoundManager->IdleTask();
}
}
void CGame::Interpolate(float simFrameLength, float realFrameLength)
{
if (!m_TurnManager)
return;
m_TurnManager->Interpolate(simFrameLength, realFrameLength);
}
static CColor BrokenColor(0.3f, 0.3f, 0.3f, 1.0f);
void CGame::CachePlayerColors()
{
m_PlayerColors.clear();
CmpPtr<ICmpPlayerManager> cmpPlayerManager(*m_Simulation2, SYSTEM_ENTITY);
if (!cmpPlayerManager)
return;
int numPlayers = cmpPlayerManager->GetNumPlayers();
m_PlayerColors.resize(numPlayers);
for (int i = 0; i < numPlayers; ++i)
{
CmpPtr<ICmpPlayer> cmpPlayer(*m_Simulation2, cmpPlayerManager->GetPlayerByID(i));
if (!cmpPlayer)
m_PlayerColors[i] = BrokenColor;
else
m_PlayerColors[i] = cmpPlayer->GetDisplayedColor();
}
}
CColor CGame::GetPlayerColor(player_id_t player) const
{
if (player < 0 || player >= (int)m_PlayerColors.size())
return BrokenColor;
return m_PlayerColors[player];
}
bool CGame::IsGameFinished() const
{
for (const std::pair<entity_id_t, IComponent*>& p : m_Simulation2->GetEntitiesWithInterface(IID_Player))
{
CmpPtr<ICmpPlayer> cmpPlayer(*m_Simulation2, p.first);
if (cmpPlayer && cmpPlayer->GetState() == "won")
return true;
}
return false;
}
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