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// -----------------------------------------------------------------------------
// This file is part of Broken Sword 2.5
// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsd�rfer
//
// Broken Sword 2.5 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.
//
// Broken Sword 2.5 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 Broken Sword 2.5; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// -----------------------------------------------------------------------------
#define WIN32_LEAN_AND_MEAN
#define NOMINMAX
#include <windows.h>
#include <psapi.h>
#pragma comment(lib, "psapi.lib")
#include <math.h>
#include <algorithm>
#include "sword25/kernel/kernel.h"
#include "sword25/kernel/timer.h"
#include "sword25/kernel/service_ids.h"
#include "sword25/gfx/graphicengine.h"
#include "sword25/sfx/soundengine.h"
#include "sword25/input/inputengine.h"
#include "sword25/package/packagemanager.h"
#include "sword25/script/script.h"
#include "sword25/fmv/movieplayer.h"
#include "sword25/kernel/persistenceservice.h"
#define BS_LOG_PREFIX "KERNEL"
BS_Kernel * BS_Kernel::_Instance = 0;
// Konstruktion / Destruktion
// --------------------------
BS_Kernel::BS_Kernel() :
_pWindow(NULL),
_Running(false),
_pResourceManager(NULL),
_InitSuccess(false)
{
// TODO:
// Messagebox ausgeben wenn nicht gelogged werden kann -> log.txt schreibgesch�tzt
BS_LOGLN("created.");
// Feststellen, ob der Timer unterst�tzt wird.
if (!BS_Timer::IsTimerAvaliable())
{
BS_LOG_ERRORLN("This machine doesn't support a performance counter.");
return;
}
// Die BS_SERVICE_TABLE auslesen und kernelinterne Strukturen vorbereiten
for (unsigned int i = 0; i < BS_SERVICE_COUNT; i++)
{
// Ist die Superclass schon registriert?
Superclass* pCurSuperclass = NULL;
std::vector<Superclass*>::iterator Iter;
for (Iter = _SuperclassList.begin(); Iter != _SuperclassList.end(); ++Iter)
if ((*Iter)->GetIdentifier() == BS_SERVICE_TABLE[i].SuperclassIdentifier)
{
pCurSuperclass = *Iter;
break;
}
// Falls die Superclass noch nicht registriert war, wird dies jetzt gemacht
if (!pCurSuperclass)
_SuperclassList.push_back(new Superclass(this, BS_SERVICE_TABLE[i].SuperclassIdentifier));
}
// Fensterobjekt erstellen
_pWindow = BS_Window::CreateBSWindow(0,0,0,0,false);
if (!_pWindow)
{
BS_LOG_ERRORLN("Failed to create the window.");
}
else
BS_LOGLN("Window created.");
// Resource-Manager erstellen
_pResourceManager = new BS_ResourceManager(this);
// Random-Number-Generator initialisieren
srand(GetMilliTicks());
// Die Skriptengine initialisieren
// Die Skriptengine muss bereits von Kernel und nicht vom Benutzer gestartet werden, damit der Kernel seine Funktionen bei seiner Erzeugung
// registrieren kann.
BS_ScriptEngine * pScript = static_cast<BS_ScriptEngine *>(NewService("script", "lua"));
if (!pScript || !pScript->Init())
{
_InitSuccess = false;
return;
}
// Scriptbindings des Kernels registrieren
if (!_RegisterScriptBindings())
{
BS_LOG_ERRORLN("Script bindings could not be registered.");
_InitSuccess = false;
return;
}
BS_LOGLN("Script bindings registered.");
_InitSuccess = true;
}
BS_Kernel::~BS_Kernel()
{
// Services in umgekehrter Reihenfolge der Erstellung endladen.
while (!_ServiceCreationOrder.empty())
{
Superclass * superclass = GetSuperclassByIdentifier(_ServiceCreationOrder.top());
if (superclass) superclass->DisconnectService();
_ServiceCreationOrder.pop();
}
// Superclasslist leeren
while (_SuperclassList.size())
{
delete _SuperclassList.back();
_SuperclassList.pop_back();
}
// Fensterobjekt freigeben
delete _pWindow;
BS_LOGLN("Window destroyed.");
// Resource-Manager freigeben
delete _pResourceManager;
BS_LOGLN("destroyed.");
}
// Service Methoden
// ----------------
BS_Kernel::Superclass::Superclass (BS_Kernel* pKernel, const std::string& Identifier) :
_pKernel(pKernel),
_Identifier(Identifier),
_ServiceCount(0),
_ActiveService(NULL)
{
for (unsigned int i = 0; i < BS_SERVICE_COUNT; i++)
if (BS_SERVICE_TABLE[i].SuperclassIdentifier == _Identifier)
_ServiceCount++;
}
BS_Kernel::Superclass::~Superclass()
{
DisconnectService();
}
std::string BS_Kernel::Superclass::GetServiceIdentifier(unsigned int Number)
{
if (Number > _ServiceCount) return NULL;
unsigned int CurServiceOrd = 0;
for (unsigned int i = 0; i < BS_SERVICE_COUNT; i++)
{
if (BS_SERVICE_TABLE[i].SuperclassIdentifier == _Identifier)
if (Number == CurServiceOrd)
return BS_SERVICE_TABLE[i].ServiceIdentifier;
else
CurServiceOrd++;
}
return std::string("");
}
BS_Service* BS_Kernel::Superclass::NewService(const std::string& ServiceIdentifier)
{
for (unsigned int i = 0; i < BS_SERVICE_COUNT; i++)
if (BS_SERVICE_TABLE[i].SuperclassIdentifier == _Identifier &&
BS_SERVICE_TABLE[i].ServiceIdentifier == ServiceIdentifier)
{
BS_Service* NewService = BS_SERVICE_TABLE[i].CreateMethod(_pKernel);
if (NewService)
{
DisconnectService();
BS_LOGLN("Service '%s' created from superclass '%s'.", ServiceIdentifier.c_str(), _Identifier.c_str());
_ActiveService = NewService;
_ActiveServiceName = BS_SERVICE_TABLE[i].ServiceIdentifier;
return _ActiveService;
}
else
{
BS_LOG_ERRORLN("Failed to create service '%s' from superclass '%s'.", ServiceIdentifier.c_str(), _Identifier.c_str());
return NULL;
}
}
BS_LOG_ERRORLN("Service '%s' is not avaliable from superclass '%s'.", ServiceIdentifier.c_str(), _Identifier.c_str());
return NULL;
}
bool BS_Kernel::Superclass::DisconnectService()
{
if (_ActiveService)
{
delete _ActiveService;
_ActiveService = 0;
BS_LOGLN("Active service '%s' disconnected from superclass '%s'.", _ActiveServiceName.c_str(), _Identifier.c_str());
return true;
}
return false;
}
BS_Kernel::Superclass* BS_Kernel::GetSuperclassByIdentifier(const std::string & Identifier)
{
std::vector<Superclass*>::iterator Iter;
for (Iter = _SuperclassList.begin(); Iter != _SuperclassList.end(); ++Iter)
{
if ((*Iter)->GetIdentifier() == Identifier)
return *Iter;
}
// BS_LOG_ERRORLN("Superclass '%s' does not exist.", Identifier.c_str());
return NULL;
}
unsigned int BS_Kernel::GetSuperclassCount()
{
return _SuperclassList.size();
}
std::string BS_Kernel::GetSuperclassIdentifier(unsigned int Number)
{
if (Number > _SuperclassList.size()) return NULL;
unsigned int CurSuperclassOrd = 0;
std::vector<Superclass*>::iterator Iter;
for (Iter = _SuperclassList.begin(); Iter != _SuperclassList.end(); ++Iter)
{
if (CurSuperclassOrd == Number)
return ((*Iter)->GetIdentifier());
CurSuperclassOrd++;
}
return std::string("");
}
unsigned int BS_Kernel::GetServiceCount(const std::string & SuperclassIdentifier)
{
Superclass* pSuperclass;
if (!(pSuperclass = GetSuperclassByIdentifier(SuperclassIdentifier))) return 0;
return pSuperclass->GetServiceCount();
}
std::string BS_Kernel::GetServiceIdentifier(const std::string & SuperclassIdentifier, unsigned int Number)
{
Superclass* pSuperclass;
if (!(pSuperclass = GetSuperclassByIdentifier(SuperclassIdentifier))) return NULL;
return (pSuperclass->GetServiceIdentifier(Number));
}
BS_Service* BS_Kernel::NewService(const std::string& SuperclassIdentifier, const std::string& ServiceIdentifier)
{
Superclass* pSuperclass;
if (!(pSuperclass = GetSuperclassByIdentifier(SuperclassIdentifier))) return NULL;
// Die Reihenfolge merken, in der Services erstellt werden, damit sie sp�ter in umgekehrter Reihenfolge entladen werden k�nnen.
_ServiceCreationOrder.push(SuperclassIdentifier);
return pSuperclass->NewService(ServiceIdentifier);
}
bool BS_Kernel::DisconnectService(const std::string& SuperclassIdentifier)
{
Superclass* pSuperclass;
if (!(pSuperclass = GetSuperclassByIdentifier(SuperclassIdentifier))) return false;
return pSuperclass->DisconnectService();
}
BS_Service* BS_Kernel::GetService(const std::string& SuperclassIdentifier)
{
Superclass* pSuperclass;
if (!(pSuperclass = GetSuperclassByIdentifier(SuperclassIdentifier))) return NULL;
return (pSuperclass->GetActiveService());
}
std::string BS_Kernel::GetActiveServiceIdentifier(const std::string& SuperclassIdentifier)
{
Superclass * pSuperclass = GetSuperclassByIdentifier(SuperclassIdentifier);
if (!pSuperclass) return std::string("");
return (pSuperclass->GetActiveServiceName());
}
// -----------------------------------------------------------------------------
int BS_Kernel::GetRandomNumber(int Min, int Max)
{
BS_ASSERT(Min <= Max);
unsigned int MaxInternal = (Min - Max + 1) < 0 ? - (Min - Max + 1) : (Min - Max + 1);
return (rand() % MaxInternal) + Min;
}
// Timer Methoden
// --------------
unsigned int BS_Kernel::GetMilliTicks()
{
return BS_Timer::GetMilliTicks();
}
uint64_t BS_Kernel::GetMicroTicks()
{
return BS_Timer::GetMicroTicks();
}
// Sonstige Methoden
// -----------------
size_t BS_Kernel::GetUsedMemory()
{
PROCESS_MEMORY_COUNTERS pmc;
pmc.cb = sizeof(pmc);
if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc)))
{
return pmc.WorkingSetSize;
}
else
{
BS_LOG_ERRORLN("Call to GetProcessMemoryInfo() failed. Error code: %d", GetLastError());
return 0;
}
}
// -----------------------------------------------------------------------------
BS_GraphicEngine * BS_Kernel::GetGfx()
{
return static_cast<BS_GraphicEngine *>(GetService("gfx"));
}
// -----------------------------------------------------------------------------
BS_SoundEngine * BS_Kernel::GetSfx()
{
return static_cast<BS_SoundEngine *>(GetService("sfx"));
}
// -----------------------------------------------------------------------------
BS_InputEngine * BS_Kernel::GetInput()
{
return static_cast<BS_InputEngine *>(GetService("input"));
}
// -----------------------------------------------------------------------------
BS_PackageManager * BS_Kernel::GetPackage()
{
return static_cast<BS_PackageManager *>(GetService("package"));
}
// -----------------------------------------------------------------------------
BS_ScriptEngine * BS_Kernel::GetScript()
{
return static_cast<BS_ScriptEngine *>(GetService("script"));
}
// -----------------------------------------------------------------------------
BS_MoviePlayer * BS_Kernel::GetFMV()
{
return static_cast<BS_MoviePlayer *>(GetService("fmv"));
}
// -----------------------------------------------------------------------------
void BS_Kernel::Sleep(unsigned int Msecs) const
{
::Sleep(Msecs);
}
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