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khanat-code-old/code/nel/tools/3d/zone_dependencies/zone_dependencies.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/>.
#include "../zone_lib/zone_utility.h"
#include "nel/3d/zone.h"
#include "nel/3d/quad_grid.h"
#include "nel/3d/scene_group.h"
#include "nel/3d/shape.h"
#include "nel/3d/water_shape.h"
#include "nel/3d/register_3d.h"
#include "nel/georges/u_form.h"
#include "nel/georges/u_form_elm.h"
#include "nel/georges/u_form_loader.h"
#include "nel/misc/config_file.h"
#include "nel/misc/file.h"
#include "nel/misc/aabbox.h"
#include "nel/misc/path.h"
#include <stdio.h>
#include <map>
using namespace std;
using namespace NLMISC;
using namespace NL3D;
typedef pair<sint, sint> CZoneDependenciesValue;
#define BAR_LENGTH 21
const char *progressbar[BAR_LENGTH]=
{
"[ ]",
"[. ]",
"[.. ]",
"[... ]",
"[.... ]",
"[..... ]",
"[...... ]",
"[....... ]",
"[........ ]",
"[......... ]",
"[.......... ]",
"[........... ]",
"[............ ]",
"[............. ]",
"[.............. ]",
"[............... ]",
"[................ ]",
"[................. ]",
"[.................. ]",
"[................... ]",
"[....................]"
};
void progress (const char *message, float progress)
{
// Progress bar
char msg[512];
uint pgId= (uint)(progress*(float)BAR_LENGTH);
pgId= min(pgId, (uint)(BAR_LENGTH-1));
sprintf (msg, "\r%s: %s", message, progressbar[pgId]);
uint i;
for (i=(uint)strlen(msg); i<79; i++)
msg[i]=' ';
msg[i]=0;
printf ("%s\r", msg);
}
class CZoneDependencies
{
public:
// Default Ctor
CZoneDependencies ()
{
// Not loaded
Loaded=false;
}
// Zone coordinates
sint X;
sint Y;
// BBox
CAABBoxExt BBox;
// Loaded
bool Loaded;
// List
set<CZoneDependenciesValue> Dependences;
};
class CZoneDescriptorBB
{
public:
// Zone coordinates
sint X;
sint Y;
// BBox
CAABBoxExt BBox;
};
// a bbox with a 'NULL' flad added
class CPotentialBBox
{
public:
CPotentialBBox() : IsVoid(true) {}
CPotentialBBox(const CAABBox &b) : Box(b), IsVoid(false) {}
CAABBox Box;
bool IsVoid;
void makeUnion(const CPotentialBBox &other)
{
if (IsVoid && other.IsVoid) return;
if( IsVoid)
{
Box = other.Box;
}
else if (!other.IsVoid)
{
Box = CAABBox::computeAABBoxUnion(Box, other.Box);
}
IsVoid = false;
}
void transform(const NLMISC::CMatrix &matrix)
{
if (!IsVoid)
{
Box = NLMISC::CAABBox::transformAABBox(matrix, Box);
}
}
// If the bbox has a null size, then mark it void
void removeVoid()
{
if (!IsVoid && Box.getHalfSize() == CVector::Null)
{
IsVoid = true;
}
}
};
// a couple of bbox to identity occluding / receiving bbox
struct CLightingBBox
{
public:
CPotentialBBox OccludingBox;
CPotentialBBox ReceivingBox;
void makeUnion(const CLightingBBox &other)
{
OccludingBox.makeUnion(other.OccludingBox);
ReceivingBox.makeUnion(other.ReceivingBox);
}
void transform(const NLMISC::CMatrix &matrix)
{
OccludingBox.transform(matrix);
ReceivingBox.transform(matrix);
}
// If the bbox has a null size, then mark it void
void removeVoid()
{
OccludingBox.removeVoid();
ReceivingBox.removeVoid();
}
};
typedef std::map<std::string, CLightingBBox> TString2LightingBBox;
/// A map to cache the shapes bbox's
typedef TString2LightingBBox TShapeMap;
// compute the bbox of the igs in a zone
static void computeZoneIGBBox(const char *zoneName, CLightingBBox &result, TShapeMap &shapeMap, const TString2LightingBBox &additionnalIG);
// ryzom specific, see definition
static void computeIGBBoxFromContinent(NLMISC::CConfigFile &parameter,
TShapeMap &shapeMap,
TString2LightingBBox &zone2BBox
);
///=========================================================
int main (int argc, char* argv[])
{
// Filter addSearchPath
NLMISC::createDebug();
InfoLog->addNegativeFilter ("adding the path");
TShapeMap shapeMap;
// Check number of args
if (argc<5)
{
// Help message
printf ("zone_dependencies [properties.cfg] [firstZone.zone] [lastzone.zone] [output_dependencies.cfg]\n");
}
else
{
NL3D::registerSerial3d();
// Light direction
CVector lightDirection;
// Config file handler
try
{
// Read the properties file
CConfigFile properties;
// Load and parse the properties file
properties.load (argv[1]);
// Get the light direction
CConfigFile::CVar &sun_direction = properties.getVar ("sun_direction");
lightDirection.set (sun_direction.asFloat(0), sun_direction.asFloat(1), sun_direction.asFloat(2));
lightDirection.normalize();
// Get the search pathes
CConfigFile::CVar &search_pathes = properties.getVar ("search_pathes");
uint path;
for (path = 0; path < (uint)search_pathes.size(); path++)
{
// Add to search path
CPath::addSearchPath (search_pathes.asString(path));
}
/*
CConfigFile::CVar &ig_path = properties.getVar ("ig_path");
NLMISC::CPath::addSearchPath(ig_path.asString(), true, true);
CConfigFile::CVar &shapes_path = properties.getVar ("shapes_path");
NLMISC::CPath::addSearchPath(shapes_path.asString(), true, true);
*/
CConfigFile::CVar &compute_dependencies_with_igs = properties.getVar ("compute_dependencies_with_igs");
bool computeDependenciesWithIgs = compute_dependencies_with_igs.asInt() != 0;
// Get the file extension
string ext=getExt (argv[2]);
// Get the file directory
string dir=getDir (argv[2]);
// Get output extension
string outExt=getExt (argv[4]);
// Get output directory
string outDir=getDir (argv[4]);
// Get the first and last name
string firstName=getName (argv[2]);
string lastName=getName (argv[3]);
// Get the coordinates
uint16 firstX, firstY;
uint16 lastX, lastY;
if (getZoneCoordByName (firstName.c_str(), firstX, firstY))
{
// Last zone
if (getZoneCoordByName (lastName.c_str(), lastX, lastY))
{
// Take care
if (lastX<firstX)
{
uint16 tmp=firstX;
firstX=lastX;
lastX=firstX;
}
if (lastY<firstY)
{
uint16 tmp=firstY;
firstY=lastY;
lastY=firstY;
}
// Min z
float minZ=FLT_MAX;
// Make a quad grid
CQuadGrid<CZoneDescriptorBB> quadGrid;
quadGrid.create (256, 100);
// The dependencies list
vector< CZoneDependencies > dependencies;
dependencies.resize ((lastX-firstX+1)*(lastY-firstY+1));
// Ryzom specific: build bbox for villages
TString2LightingBBox villagesBBox;
computeIGBBoxFromContinent(properties, shapeMap, villagesBBox);
// Insert each zone in the quad tree
sint y, x;
for (y=firstY; y<=lastY; y++)
for (x=firstX; x<=lastX; x++)
{
// Progress
progress ("Build bounding boxes", (float)(x+y*lastX)/(float)(lastX*lastY));
// Make a zone file name
string zoneName;
getZoneNameByCoord (x, y, zoneName);
// Open the file
CIFile file;
if (file.open (dir+zoneName+ext))
{
// The zone
CZone zone;
try
{
// Serial the zone
file.serial (zone);
/// get bbox from the ig of this zone
CLightingBBox igBBox;
if (computeDependenciesWithIgs)
{
computeZoneIGBBox(zoneName.c_str(), igBBox, shapeMap, villagesBBox);
}
// Create a zone descriptor
NLMISC::CAABBox zoneBox;
zoneBox.setCenter(zone.getZoneBB().getCenter());
zoneBox.setHalfSize(zone.getZoneBB().getHalfSize());
CLightingBBox zoneLBox;
zoneLBox.OccludingBox = zoneLBox.ReceivingBox = zoneBox; // can't be void
zoneLBox.makeUnion(igBBox);
nlassert(!zoneLBox.ReceivingBox.IsVoid);
//
CZoneDescriptorBB zoneDesc;
zoneDesc.X=x;
zoneDesc.Y=y;
zoneDesc.BBox=zoneLBox.ReceivingBox.Box;
//
if (!zoneLBox.OccludingBox.IsVoid)
{
quadGrid.insert (zoneLBox.ReceivingBox.Box.getMin(), zoneLBox.ReceivingBox.Box.getMax(), zoneDesc);
}
// Insert in the dependencies
// Index
uint index=(x-firstX)+(y-firstY)*(lastX-firstX+1);
// Loaded
dependencies[index].Loaded=true;
dependencies[index].X=x;
dependencies[index].Y=y;
dependencies[index].BBox=zoneLBox.OccludingBox.Box;
// ZMin
float newZ=zoneLBox.ReceivingBox.Box.getMin().z;
if (newZ<minZ)
minZ=newZ;
}
catch (Exception& e)
{
// Error handling
nlwarning ("ERROR in file %s, %s", (dir+zoneName+ext).c_str(), e.what ());
}
}
}
// Now select each zone in others and make a depencies list
for (y=firstY; y<=lastY; y++)
for (x=firstX; x<=lastX; x++)
{
// Progress
progress ("Compute dependencies", (float)(x+y*lastX)/(float)(lastX*lastY));
// Index
uint index=(x-firstX)+(y-firstY)*(lastX-firstX+1);
// Loaded ?
if (dependencies[index].Loaded)
{
// Min max vectors
CVector vMin (dependencies[index].BBox.getMin());
CVector vMax (dependencies[index].BBox.getMax());
// Make a corner array
CVector corners[4] =
{
CVector (vMin.x, vMin.y, vMax.z), CVector (vMax.x, vMin.y, vMax.z),
CVector (vMax.x, vMax.y, vMax.z), CVector (vMin.x, vMax.y, vMax.z)
};
// Extended bbox
CAABBox bBox=dependencies[index].BBox.getAABBox();
// For each corner
uint corner;
for (corner=0; corner<4; corner++)
{
// Target position
CVector target;
if (lightDirection.z!=0)
{
// Not horizontal target
target=corners[corner]+(lightDirection*((minZ-corners[corner].z)/lightDirection.z));
}
else
{
// Horizontal target, select 500 meters around.
target=(500*lightDirection)+corners[corner];
}
// Extend the bbox
bBox.extend (target);
}
// Clear quad tree selection
quadGrid.clearSelection ();
// Select
quadGrid.select (bBox.getMin(), bBox.getMax());
// Check selection
CQuadGrid<CZoneDescriptorBB>::CIterator it=quadGrid.begin();
while (it!=quadGrid.end())
{
// Index
uint targetIndex=((*it).X-firstX)+((*it).Y-firstY)*(lastX-firstX+1);
// Not the same
if (targetIndex!=index)
{
// Target min z
float targetMinZ=dependencies[targetIndex].BBox.getMin().z;
if (targetMinZ<vMax.z)
{
// Min z inf to max z ?
// Target optimized bbox
CAABBox bBoxOptimized=dependencies[index].BBox.getAABBox();
// For each corner
for (corner=0; corner<4; corner++)
{
// Target position
CVector target;
if (lightDirection.z!=0)
{
// Not horizontal target
target=corners[corner]+(lightDirection*((targetMinZ-corners[corner].z)
/lightDirection.z));
}
else
{
// Horizontal target, select 500 meters around.
target=(500*lightDirection)+corners[corner];
}
// Extend the bbox
bBoxOptimized.extend (target);
}
// Check it more presisly
//if ((*it).BBox.intersect (bBoxOptimized))
if ((*it).BBox.intersect (bBox))
{
// Insert in the set
dependencies[targetIndex].Dependences.insert (CZoneDependenciesValue (x, y));
}
}
}
// Next selected
it++;
}
}
}
// For each zone
for (y=firstY; y<=lastY; y++)
for (x=firstX; x<=lastX; x++)
{
// Progress
progress ("Save depend files", (float)(x+y*lastX)/(float)(lastX*lastY));
// Index
uint index=(x-firstX)+(y-firstY)*(lastX-firstX+1);
// Loaded ?
if (dependencies[index].Loaded)
{
// Make a file name
string outputFileName;
getZoneNameByCoord(x, y, outputFileName);
outputFileName=outDir+outputFileName+outExt;
// Write the dependencies file
FILE *outputFile;
if ((outputFile=fopen (toLower (outputFileName).c_str(), "w")))
{
// Add a dependency entry
fprintf (outputFile, "dependencies =\n{\n");
// Add dependent zones
set<CZoneDependenciesValue>::iterator ite=dependencies[index].Dependences.begin();
while (ite!=dependencies[index].Dependences.end())
{
// Name of the dependent zone
std::string zoneName;
getZoneNameByCoord(ite->first, ite->second, zoneName);
// Write it
string message="\t\""+zoneName+"\"";
fprintf (outputFile, "%s", toLower (message).c_str());
// Next ite;
ite++;
if (ite!=dependencies[index].Dependences.end())
fprintf (outputFile, ",\n");
}
// Close the variable
fprintf (outputFile, "\n};\n\n");
}
else
{
nlwarning ("ERROR can't open %s for writing.\n", outputFileName.c_str());
}
// Close the file
fclose (outputFile);
}
}
}
else
{
// Not valid
nlwarning ("ERROR %s is not a valid zone name.\n", lastName.c_str());
}
}
else
{
// Not valid
nlwarning ("ERROR %s is not a valid zone name.\n", firstName.c_str());
}
}
catch (Exception &ee)
{
nlwarning ("ERROR %s\n", ee.what());
}
}
return 0;
}
///===========================================================================
/** Load and compute the bbox of the models that are contained in a given instance group
* \return true if the computed bbox is valid
*/
static void computeIGBBox(const NL3D::CInstanceGroup &ig, CLightingBBox &result, TShapeMap &shapeMap)
{
result = CLightingBBox(); // starts with void result
bool firstBBox = true;
/// now, compute the union of all bboxs
for (CInstanceGroup::TInstanceArray::const_iterator it = ig._InstancesInfos.begin(); it != ig._InstancesInfos.end(); ++it)
{
CLightingBBox currBBox;
bool validBBox = false;
/// get the bbox from file or from map
if (shapeMap.count(it->Name)) // already loaded ?
{
currBBox = shapeMap[it->Name];
validBBox = true;
}
else // must load the shape to get its bbox
{
std::string shapePathName;
std::string toLoad = it->Name;
if (getExt(toLoad).empty()) toLoad += ".shape";
shapePathName = NLMISC::CPath::lookup(toLoad, false, false);
if (shapePathName.empty())
{
nlwarning("Unable to find shape %s", it->Name.c_str());
}
else
{
CIFile shapeInputFile;
if (shapeInputFile.open (shapePathName.c_str()))
{
NL3D::CShapeStream shapeStream;
try
{
shapeStream.serial (shapeInputFile);
// NB Nico :
// Deal with water shape -> their 'Receiving' box is set to 'void'
// this prevent the case where a huge surface of water will cause the zone it is attached to (the 'Zone'
// field in the villages sheets) to load all the zones that the water surface cover. (This caused
// an 'out of memory error' in the zone lighter due to too many zone being loaded)
// FIXME : test for water case hardcoded for now
CWaterShape *ws = dynamic_cast<CWaterShape *>(shapeStream.getShapePointer());
if (ws)
{
CAABBox bbox;
shapeStream.getShapePointer()->getAABBox(bbox);
currBBox.OccludingBox = CPotentialBBox(bbox); // occluding box is used, though the water shape
// doesn't cast shadow -> the tiles flag ('above', 'intersect', 'below water')
// are updated inside the zone_lighter
currBBox.ReceivingBox.IsVoid = true; // no lighted by the zone lighter !!!
currBBox.removeVoid();
shapeMap[it->Name] = currBBox;
}
else
{
CAABBox bbox;
shapeStream.getShapePointer()->getAABBox(bbox);
currBBox.OccludingBox = CPotentialBBox(bbox);
currBBox.ReceivingBox = CPotentialBBox(bbox);
currBBox.removeVoid();
shapeMap[it->Name] = currBBox;
}
validBBox = true;
}
catch (NLMISC::Exception &e)
{
nlwarning("Error while loading shape %s. \n\t Reason : %s ", it->Name.c_str(), e.what());
}
}
else
{
nlwarning("Unable to open shape file %s to get its bbox", it->Name.c_str());
}
}
}
if (validBBox)
{
/// build the model matrix
NLMISC::CMatrix mat;
mat.scale(it->Scale);
NLMISC::CMatrix rotMat;
rotMat.setRot(it->Rot);
mat = rotMat * mat;
mat.setPos(it->Pos);
/// transform the bbox
currBBox.transform(mat);
currBBox.removeVoid();
if (firstBBox)
{
result = currBBox;
firstBBox = false;
}
else // add to previous one
{
result.makeUnion(currBBox);
}
}
}
}
///===========================================================================
/** Load and compute the bbox of the models that are located in a given zone
* \param the zone whose bbox must be computed
* \param result the result bbox
* \param shapeMap for speedup (avoid loading the same shape twice)
* \param additionnalIG a map that gives an additionnal ig for a zone from its name (ryzom specific : used to compute village bbox)
* \return true if the computed bbox is valid
*/
static void computeZoneIGBBox(const char *zoneName, CLightingBBox &result, TShapeMap &shapeMap, const TString2LightingBBox &additionnalIG)
{
result = CLightingBBox(); // starts with a void box
std::string lcZoneName = NLMISC::toLower(std::string(zoneName));
TString2LightingBBox::const_iterator zoneIt = additionnalIG.find(lcZoneName);
if (zoneIt != additionnalIG.end())
{
result = zoneIt->second;
}
std::string igFileName = zoneName + std::string(".ig");
std::string pathName = CPath::lookup(igFileName, false, false);
if (pathName.empty())
{
// nlwarning("unable to find instance group of zone : %s", zoneName);
return;
}
/// Load the instance group of this zone
CIFile igFile;
if (!igFile.open(pathName))
{
nlwarning("unable to open file : %s", pathName.c_str());
return;
}
NL3D::CInstanceGroup ig;
try
{
ig.serial(igFile);
}
catch (NLMISC::Exception &e)
{
nlwarning("Error while reading an instance group file : %s \n reason : %s", pathName.c_str(), e.what());
return;
}
CLightingBBox tmpBBox;
computeIGBBox(ig, tmpBBox, shapeMap);
result.makeUnion(tmpBBox);
}
//=======================================================================================
// ryzom specific build bbox of a village in a zone
static void computeBBoxFromVillage(const NLGEORGES::UFormElm *villageItem,
const std::string &continentName,
uint villageIndex,
TShapeMap &shapeMap,
CLightingBBox &result
)
{
result = CLightingBBox();
const NLGEORGES::UFormElm *igNamesItem;
if (! (villageItem->getNodeByName (&igNamesItem, "IgList") && igNamesItem) )
{
nlwarning("No list of IGs was found in the continent form %s, village #%d", continentName.c_str(), villageIndex);
return;
}
// Get number of village
uint numIgs;
nlverify (igNamesItem->getArraySize (numIgs));
const NLGEORGES::UFormElm *currIg;
for(uint l = 0; l < numIgs; ++l)
{
if (!(igNamesItem->getArrayNode (&currIg, l) && currIg))
{
nlwarning("Couldn't get ig #%d in the continent form %s, in village #%d", l, continentName.c_str(), villageIndex);
continue;
}
const NLGEORGES::UFormElm *igNameItem;
currIg->getNodeByName (&igNameItem, "IgName");
std::string igName;
if (!igNameItem->getValue (igName))
{
nlwarning("Couldn't get ig name of ig #%d in the continent form %s, in village #%d", l, continentName.c_str(), villageIndex);
continue;
}
if (igName.empty())
{
nlwarning("Ig name of ig #%d in the continent form %s, in village #%d is an empty string", l, continentName.c_str(), villageIndex);
continue;
}
igName = CFile::getFilenameWithoutExtension(igName) + ".ig";
string nameLookup = CPath::lookup (igName, false, true);
if (!nameLookup.empty())
{
CIFile inputFile;
// Try to open the file
if (inputFile.open (nameLookup))
{
CInstanceGroup group;
try
{
CLightingBBox currBBox;
group.serial (inputFile);
computeIGBBox(group, currBBox, shapeMap);
result.makeUnion(currBBox);
}
catch(NLMISC::Exception &)
{
nlwarning ("Error while loading instance group %s\n", igName.c_str());
continue;
}
inputFile.close();
}
else
{
// Error
nlwarning ("Can't open instance group %s\n", igName.c_str());
}
}
}
}
//=======================================================================================
/** Load additionnal ig from a continent (ryzom specific)
* \param parameter a config file that contains the name of the continent containing the zones we are processing
* \param zone2bbox This will be filled with the name of a zone and the bbox of the village it contains
* \param a map of shape
* \param a vector that will be filled with a zone name and the bbox of the village it contains
*/
static void computeIGBBoxFromContinent(NLMISC::CConfigFile &parameter,
TShapeMap &shapeMap,
TString2LightingBBox &zone2BBox
)
{
try
{
CConfigFile::CVar &continent_name_var = parameter.getVar ("continent_name");
CConfigFile::CVar &level_design_directory = parameter.getVar ("level_design_directory");
CConfigFile::CVar &level_design_world_directory = parameter.getVar ("level_design_world_directory");
CConfigFile::CVar &level_design_dfn_directory = parameter.getVar ("level_design_dfn_directory");
CPath::addSearchPath(level_design_dfn_directory.asString(), true, false);
CPath::addSearchPath(level_design_world_directory.asString(), true, false);
std::string continentName = continent_name_var.asString();
if (CFile::getExtension(continentName).empty())
continentName += ".continent";
// Load the form
NLGEORGES::UFormLoader *loader = NLGEORGES::UFormLoader::createLoader();
//
std::string pathName = level_design_world_directory.asString() + "/" + continentName;
if (pathName.empty())
{
nlwarning("Can't find continent form : %s", continentName.c_str());
return;
}
NLGEORGES::UForm *villageForm;
villageForm = loader->loadForm(pathName.c_str());
if(villageForm != NULL)
{
NLGEORGES::UFormElm &rootItem = villageForm->getRootNode();
// try to get the village list
// Load the village list
NLGEORGES::UFormElm *villagesItem;
if(!(rootItem.getNodeByName (&villagesItem, "Villages") && villagesItem))
{
nlwarning("No villages where found in %s", continentName.c_str());
return;
}
// Get number of village
uint numVillage;
nlverify (villagesItem->getArraySize (numVillage));
// For each village
for(uint k = 0; k < numVillage; ++k)
{
NLGEORGES::UFormElm *currVillage;
if (!(villagesItem->getArrayNode (&currVillage, k) && currVillage))
{
nlwarning("Couldn't get village %d in continent %s", continentName.c_str(), k);
continue;
}
// check that this village is in the dependency zones
NLGEORGES::UFormElm *zoneNameItem;
if (!currVillage->getNodeByName (&zoneNameItem, "Zone") && zoneNameItem)
{
nlwarning("Couldn't get zone item of village %d in continent %s", continentName.c_str(), k);
continue;
}
std::string zoneName;
if (!zoneNameItem->getValue(zoneName))
{
nlwarning("Couldn't get zone name of village %d in continent %s", continentName.c_str(), k);
continue;
}
zoneName = NLMISC::toLower(CFile::getFilenameWithoutExtension(zoneName));
CLightingBBox result;
// ok, it is in the dependant zones
computeBBoxFromVillage(currVillage, continentName, k, shapeMap, result);
if (!result.OccludingBox.IsVoid || result.ReceivingBox.IsVoid)
{
zone2BBox[zoneName] = result;
}
}
}
else
{
nlwarning("Can't load continent form : %s", continentName.c_str());
}
}
catch (NLMISC::EUnknownVar &e)
{
nlinfo(e.what());
}
}
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