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khanat-opennel-code/code/nel/samples/3d/cluster_viewer/main.cpp

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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include "nel/misc/types_nl.h"
#include "nel/misc/file.h"
#include "nel/misc/path.h"
#include "nel/misc/bitmap.h"
#include "nel/misc/events.h"
#include "nel/misc/time_nl.h"
#include "nel/misc/event_server.h"
#include "nel/misc/event_listener.h"
#include "nel/3d/nelu.h"
#include "nel/3d/driver.h"
#include "nel/3d/scene_group.h"
#include "nel/3d/text_context.h"
#include "nel/3d/transform_shape.h"
#include "nel/3d/event_mouse_listener.h"
#ifdef NL_OS_WINDOWS
# ifndef NL_COMP_MINGW
# define NOMINMAX
# endif
# include <windows.h>
#endif // NL_OS_WINDOWS
#ifndef CV_DIR
# define CV_DIR "."
#endif
using namespace std;
using namespace NL3D;
using namespace NLMISC;
// ---------------------------------------------------------------------------
struct SDispCS
{
string Name;
CInstanceGroup *pIG;
};
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
char *readLine (char*out, char*in)
{
out[0] = 0;
while ((*in != '\r') && (*in != '\n') && (*in != 0))
{
*out = *in;
++out;
++in;
*out = 0;
}
while ((*in == '\r') || (*in == '\n'))
++in;
return in;
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
CInstanceGroup* LoadInstanceGroup(const char* sFilename)
{
CIFile file;
CInstanceGroup *newIG = new CInstanceGroup;
if( file.open( CPath::lookup( string(sFilename) ) ) )
{
try
{
// Serial the skeleton
newIG->serial (file);
// All is good
}
catch (const Exception &)
{
// Cannot save the file
delete newIG;
return NULL;
}
}
return newIG;
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
void LoadSceneScript (const char *ScriptName, CScene* pScene, vector<SDispCS> &DispCS, CVector &CameraStart,
vector<CInstanceGroup*> &vIGs)
{
char nameIG[256];
float posx, posy, posz;
float roti, rotj, rotk;
FILE *f = fopen (CPath::lookup(ScriptName).c_str(),"rb");
fseek (f, 0, SEEK_END);
uint file_size = ftell (f);
fseek (f, 0, SEEK_SET);
char *file_buf = (char*)malloc(file_size+1);
if (fread (file_buf, 1, file_size, f) != file_size)
nlwarning("Can't read %d elements", file_size);
file_buf[file_size] = 0;
++file_size;
fclose (f);
char *buf_ptr = file_buf;
sint nLastNbPlus = 0;
vector<CInstanceGroup*> pile;
pile.clear ();
pile.push_back (pScene->getGlobalInstanceGroup());
pile.push_back (pScene->getGlobalInstanceGroup());
do
{
char Line[256], *line_ptr;
sint nNbPlus = 0;
line_ptr = &Line[0];
buf_ptr = readLine (line_ptr, buf_ptr);
while ((*line_ptr == '\t') || (*line_ptr == ' ') || (*line_ptr == '+'))
{
if (*line_ptr == '+')
++nNbPlus;
++line_ptr;
}
if (strlen (line_ptr) == 0)
continue;
if (*line_ptr == '/')
continue;
posx = posy = posz = roti = rotj = rotk = 0.0f;
sscanf (line_ptr, "%s %f %f %f %f %f %f", nameIG, &posx, &posy, &posz, &roti, &rotj, &rotk);
if (stricmp (nameIG, "CAMERA_START") == 0)
{
CameraStart = CVector(posx, posy, posz);
}
else
{
if (nLastNbPlus >= nNbPlus)
for (int i = 0; i < ((nLastNbPlus-nNbPlus)+1); ++i)
pile.pop_back();
nLastNbPlus = nNbPlus;
CInstanceGroup *father = pile.back();
CInstanceGroup *ITemp = LoadInstanceGroup (nameIG);
if (ITemp != NULL)
{
SDispCS dcsTemp;
dcsTemp.Name = "";
for (sint32 i = 0; i < (1+nNbPlus); ++i)
dcsTemp.Name += " ";
dcsTemp.Name += nameIG;
dcsTemp.pIG = ITemp;
DispCS.push_back (dcsTemp);
ITemp->createRoot (*pScene);
ITemp->setPos (CVector(posx, posy, posz));
ITemp->setRotQuat (ITemp->getRotQuat() * CQuat(CVector::I, roti));
ITemp->setRotQuat (ITemp->getRotQuat() * CQuat(CVector::J, rotj));
ITemp->setRotQuat (ITemp->getRotQuat() * CQuat(CVector::K, rotk));
ITemp->setClusterSystemForInstances (father);
ITemp->addToScene (*pScene);
vIGs.push_back (ITemp);
}
pile.push_back (ITemp);
}
}
//while (strlen(buf_ptr) > 0);
while (buf_ptr < (file_buf+file_size-1));
free (file_buf);
}
// ---------------------------------------------------------------------------
// Main
// ---------------------------------------------------------------------------
#ifdef NL_OS_WINDOWS
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
#else
int main()
#endif
{
double rGlobalTime = 0;
double rOldGlobalTime = 0;
double rDeltaTime = 0;
vector<SDispCS> DispCS;
bool bAutoDetect = true;
bool bDisplay = true;
sint32 nSelected = 0;
SDispCS dcsTemp;
vector<CInstanceGroup*> vAllIGs;
// 2 dynamics objects
CTransformShape *pDynObj_InRoot;
CTransformShape *pDynObj_InCS;
CNELU::init (800, 600, CViewport(), 32, true);
CNELU::Scene->enableLightingSystem(true);
CNELU::Scene->setAmbientGlobal(CRGBA(128,128,128));
CPath::addSearchPath(CV_DIR);
CPath::addSearchPath(CV_DIR"/shapes");
CPath::addSearchPath(CV_DIR"/groups");
CPath::addSearchPath(CV_DIR"/fonts");
CFontManager FontManager;
CTextContext TextContext;
TextContext.init (CNELU::Driver, &FontManager);
TextContext.setFontGenerator (NLMISC::CPath::lookup("n019003l.pfb"));
TextContext.setHotSpot (CComputedString::TopLeft);
TextContext.setColor (CRGBA(255,255,255));
TextContext.setFontSize (20);
CEvent3dMouseListener MouseListener;
MouseListener.addToServer (CNELU::EventServer);
MouseListener.setFrustrum (CNELU::Camera->getFrustum());
MouseListener.setMouseMode (CEvent3dMouseListener::firstPerson);
CNELU::Camera->setTransformMode (ITransformable::DirectMatrix);
// Force to automatically find the cluster system
CNELU::Camera->setClusterSystem ((CInstanceGroup*)-1);
CClipTrav *pClipTrav = (CClipTrav*)&(CNELU::Scene->getClipTrav());
dcsTemp.Name = "Root";
dcsTemp.pIG = NULL;
DispCS.push_back (dcsTemp);
// Add all instance that create the scene
// --------------------------------------
// Beginning of script reading
CVector CameraStart;
LoadSceneScript ("main.cvs", CNELU::Scene, DispCS, CameraStart, vAllIGs);
CMatrix m = MouseListener.getViewMatrix();
m.setPos (CameraStart);
MouseListener.setMatrix (m);
// End of script reading
// Put a dynamic object in the root
pDynObj_InRoot = CNELU::Scene->createInstance ("sphere01.shape");
pDynObj_InRoot->setPos (0.0f, 0.0f, 0.0f);
// Put a dynamic object inside
pDynObj_InCS = CNELU::Scene->createInstance ("sphere01.shape");
pDynObj_InCS->setPos (50.0f, 50.0f, 25.0f);
// No automatic detection for moving objects - setup in street
pDynObj_InCS->setClusterSystem (vAllIGs[0]);
// Main loop
do
{
rGlobalTime = CTime::ticksToSecond(CTime::getPerformanceTime());
rDeltaTime = rGlobalTime - rOldGlobalTime;
rOldGlobalTime = rGlobalTime;
pDynObj_InRoot->setPos (-20.0f+20.0f*sinf((float)rGlobalTime),
-20.0f+20.0f*cosf((float)rGlobalTime*1.2f),
20.0f*sinf((float)rGlobalTime*1.1f+0.5f));
pDynObj_InCS->setPos (25.0f+5.0f*sinf((float)rGlobalTime*1.4f),
-25.0f+5.0f*cosf((float)rGlobalTime*1.3f),
25.0f+2.0f*sinf((float)rGlobalTime*1.2f+0.7f));
CNELU::Scene->animate ((float)rGlobalTime);
CNELU::EventServer.pump();
CNELU::clearBuffers (CRGBA(0,0,0));
CNELU::Scene->render ();
// -----------------------------------------------------
// -----------------------------------------------------
if (bDisplay)
{
vector<CCluster*> vCluster;
DispCS[0].pIG = pClipTrav->RootCluster->Group;
TextContext.setColor (CRGBA(255,255,255,255));
if (bAutoDetect)
{
TextContext.printfAt (0, 1, "AutoDetect : ON");
pClipTrav->fullSearch (vCluster, pClipTrav->CamPos);
for (uint32 i = 0; i < DispCS.size(); ++i)
{
TextContext.setColor (CRGBA(255,255,255,255));
for( uint32 j = 0; j < vCluster.size(); ++j)
{
if (DispCS[i].pIG == vCluster[j]->Group)
{
TextContext.setColor (CRGBA(255,0,0,255));
break;
}
}
TextContext.printfAt (0, 1-(i+2)*0.028f, DispCS[i].Name.c_str());
}
}
else
{
TextContext.printfAt (0, 1, "AutoDetect : OFF");
CInstanceGroup *pCurIG = CNELU::Camera->getClusterSystem();
for (uint32 i = 0; i < DispCS.size(); ++i)
{
if (DispCS[i].pIG == pCurIG)
TextContext.setColor (CRGBA(255,0,0,255));
else
TextContext.setColor (CRGBA(255,255,255,255));
TextContext.printfAt (0, 1-(i+2)*0.028f, DispCS[i].Name.c_str());
}
TextContext.setColor (CRGBA(255,255,255,255));
pClipTrav->Accel.select (pClipTrav->CamPos, pClipTrav->CamPos);
CQuadGrid<CCluster*>::CIterator itAcc = pClipTrav->Accel.begin();
while (itAcc != pClipTrav->Accel.end())
{
CCluster *pCluster = *itAcc;
if (pCluster->Group == pClipTrav->Camera->getClusterSystem())
if (pCluster->isIn (pClipTrav->CamPos))
{
vCluster.push_back (pCluster);
}
++itAcc;
}
if (vCluster.empty() && (DispCS[0].pIG == pCurIG))
{
vCluster.push_back (pClipTrav->RootCluster);
}
}
TextContext.setColor (CRGBA(255,255,255,255));
string sAllClusters = "";
for( uint32 j = 0; j < vCluster.size(); ++j)
{
sAllClusters += vCluster[j]->Name;
if (j < (vCluster.size()-1))
sAllClusters += ", ";
}
TextContext.printfAt (0, 1-0.028f, sAllClusters.c_str());
}
// -----------------------------------------------------
// -----------------------------------------------------
CNELU::Driver->swapBuffers ();
// Keys management
// ---------------
if (CNELU::AsyncListener.isKeyDown (KeySHIFT))
MouseListener.setSpeed (50.0f);
else
MouseListener.setSpeed (10.0f);
CNELU::Camera->setMatrix (MouseListener.getViewMatrix());
if (CNELU::AsyncListener.isKeyPushed(KeyL))
{
CNELU::Driver->setPolygonMode (IDriver::Line);
}
if (CNELU::AsyncListener.isKeyPushed (KeyP))
{
CNELU::Driver->setPolygonMode (IDriver::Filled);
}
if (CNELU::AsyncListener.isKeyPushed (KeyTAB))
bDisplay = !bDisplay;
if (CNELU::AsyncListener.isKeyPushed (KeyA))
{
if (bAutoDetect)
{
bAutoDetect = false;
CNELU::Camera->setClusterSystem (NULL);
nSelected = 0;
}
else
{
bAutoDetect = true;
CNELU::Camera->setClusterSystem ((CInstanceGroup*)-1);
}
}
if (!bAutoDetect)
{
if (CNELU::AsyncListener.isKeyPushed (KeyZ))
{
nSelected--;
if(nSelected == -1)
nSelected = (sint32)DispCS.size()-1;
}
if (CNELU::AsyncListener.isKeyPushed (KeyS))
{
nSelected++;
if(nSelected == (sint32)DispCS.size())
nSelected = 0;
}
CNELU::Camera->setClusterSystem (DispCS[nSelected].pIG);
}
}
while ((!CNELU::AsyncListener.isKeyPushed(KeyESCAPE)) && CNELU::Driver->isActive());
return EXIT_SUCCESS;
}
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