// 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 "nel/misc/stream.h"
#include "nel/misc/file.h"
#include "nel/misc/vector.h"
#include "nel/misc/time_nl.h"
#include "nel/misc/config_file.h"
#include "nel/misc/path.h"


#include "nel/georges/u_form.h"
#include "nel/georges/u_form_elm.h"
#include "nel/georges/u_form_loader.h"


#include "nel/3d/zone.h"
#include "nel/3d/zone_lighter.h"
#include "nel/3d/quad_grid.h"
#include "nel/3d/landscape.h"
#include "nel/3d/scene_group.h"
#include "nel/3d/shape.h"
#include "nel/3d/transform_shape.h"
#include "nel/3d/register_3d.h"
#include "nel/3d/water_shape.h"

#include "../zone_lib/zone_utility.h"

using namespace std;
using namespace NLMISC;
using namespace NL3D;

#define BAR_LENGTH 21

const char *progressbar[BAR_LENGTH]=
{
	"[                    ]",
	"[.                   ]",
	"[..                  ]",
	"[...                 ]",
	"[....                ]",
	"[.....               ]",
	"[......              ]",
	"[.......             ]",
	"[........            ]",
	"[.........           ]",
	"[..........          ]",
	"[...........         ]",
	"[............        ]",
	"[.............       ]",
	"[..............      ]",
	"[...............     ]",
	"[................    ]",
	"[.................   ]",
	"[..................  ]",
	"[................... ]",
	"[....................]"
};

// My zone lighter
class CMyZoneLighter : public CZoneLighter
{
	// Progress bar
	virtual 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);
	}
};

struct CInstanceGroupRef
{
	CInstanceGroup	*IG;
	bool			AddLight;
};

//=======================================================================================
// load additionnal ig from a village (ryzom specific)
static void loadIGFromVillage(const NLGEORGES::UFormElm *villageItem, const std::string &continentName,
							  uint villageIndex, std::list<CInstanceGroupRef> &instanceGroups, CConfigFile::CVar &additionalIgNames)
{	
	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;
		}
		// ensure .ig
		igName = CFile::getFilenameWithoutExtension(igName) + ".ig";
		
		// verify that the ig is not already added (case of tr_water.ig in additional_igs)
		for(uint igAdd= 0;igAdd<(uint)additionalIgNames.size();igAdd++)
		{
			if( toLower(additionalIgNames.asString()) == toLower(igName) )
			{
				nlwarning("Skipping Village Ig %s, cause already exist in additional ig", igName.c_str());
				continue;
			}
		}

		// add this ig
		string nameLookup = CPath::lookup (igName, false, true);
		if (!nameLookup.empty())
		{		
			CIFile inputFile;
			// Try to open the file
			if (inputFile.open (nameLookup))
			{
				// New ig
				CUniquePtr<CInstanceGroup> group(new CInstanceGroup);
				try
				{
					group->serial (inputFile);
				}
				catch(const NLMISC::Exception &)
				{
					nlwarning ("Error while loading instance group %s", igName.c_str());	
					continue;
				}								
				inputFile.close();
				// Add to the list
				CInstanceGroupRef iref;
				iref.IG = group.release();
				iref.AddLight = false;
				instanceGroups.push_back (iref);
			}
			else
			{
				// Error
				nlwarning ("Can't open instance group %s\n", igName.c_str());
			}
		}								
	}	
}


//=======================================================================================
// load additionnal ig from a continent (ryzom specific)
static void loadIGFromContinent(NLMISC::CConfigFile &parameter, std::list<CInstanceGroupRef> &instanceGroups,
								const std::vector<std::string> &zoneNameArray,
							    CConfigFile::CVar &additionalIgNames)
{
		
	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 = CPath::lookup(continentName); // 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 = CFile::getFilenameWithoutExtension(zoneName);
				for(uint l = 0; l < zoneNameArray.size(); ++l)
				{					
					if (NLMISC::nlstricmp(CFile::getFilenameWithoutExtension(zoneNameArray[l]), zoneName) == 0)																  
					{										
						// ok, it is in the dependant zones
						loadIGFromVillage(currVillage, continentName, k, instanceGroups, additionalIgNames);
						break;
					}
				}					
			}				
		}
		else 
		{
			nlwarning("Can't load continent form : %s", continentName.c_str());
		}				
	}	
	catch (const NLMISC::EUnknownVar &e)
	{
		nlinfo(e.what());
	}
}

//=======================================================================================
int main(int argc, char* argv[])
{
	// Start time
	TTime time=CTime::getLocalTime ();

	// Filter addSearchPath
	NLMISC::createDebug();
	InfoLog->addNegativeFilter ("adding the path");
	WarningLog->addNegativeFilter ("continent.cfg");

	// Register 3d
	registerSerial3d ();

	// Good number of args ?
	if (argc<5)
	{
		// Help message
		printf ("%s [zonein.zone] [zoneout.zone] [parameter_file] [dependancy_file] [-waterpatch bkupdir] \n", argv[0]);
	}
	else
	{
		// to patch only the tiles flags
		bool	tileWaterPatchOnly;
		tileWaterPatchOnly= argc==7 && string(argv[5])=="-waterpatch";
		string	tileWaterPatchBkupDir;
		if(tileWaterPatchOnly)
			tileWaterPatchBkupDir = argv[6];

		// Ok, read the zone
		CIFile inputFile;

		// Get extension
		string ext=getExt (argv[1]);
		string dir=getDir (argv[1]);

		// Open it for reading
		if (inputFile.open (argv[1]))
		{
			// Zone name
			string zoneName=toLower (string ("zone_"+getName (argv[1])));

			// Load the zone
			try
			{
				// Read the config file
				CConfigFile parameter;
				CConfigFile dependency;

				// Load and parse the dependency file
				parameter.load (argv[3]);

				// **********
				// *** Build the lighter descriptor
				// **********

				CZoneLighter::CLightDesc lighterDesc;

				// Get bank name
				CConfigFile::CVar &bank_name = parameter.getVar ("bank_name");

				// Load instance group ?
				CConfigFile::CVar &load_ig= parameter.getVar ("load_ig");
				bool loadInstanceGroup = load_ig.asInt ()!=0;

				CConfigFile::CVar &additionnal_ig = parameter.getVar ("additionnal_ig");

				// Grid size
				CConfigFile::CVar &quad_grid_size = parameter.getVar ("quad_grid_size");
				lighterDesc.GridSize=quad_grid_size.asInt();

				// Grid size
				CConfigFile::CVar &quad_grid_cell_size = parameter.getVar ("quad_grid_cell_size");
				lighterDesc.GridCellSize=quad_grid_cell_size.asFloat();

				// Heightfield cell size
				CConfigFile::CVar &global_illumination_cell_size = parameter.getVar ("global_illumination_cell_size");
				lighterDesc.HeightfieldCellSize=global_illumination_cell_size.asFloat();

				// Heightfield size
				CConfigFile::CVar &global_illumination_length = parameter.getVar ("global_illumination_length");
				lighterDesc.HeightfieldSize=global_illumination_length.asFloat();

				// Light direction
				CConfigFile::CVar &sun_direction = parameter.getVar ("sun_direction");
				lighterDesc.SunDirection.x=sun_direction.asFloat(0);
				lighterDesc.SunDirection.y=sun_direction.asFloat(1);
				lighterDesc.SunDirection.z=sun_direction.asFloat(2);
				lighterDesc.SunDirection.normalize ();

				// Light center position
				CConfigFile::CVar &sun_center = parameter.getVar ("sun_center");
				lighterDesc.SunCenter.x=sun_center.asFloat(0);
				lighterDesc.SunCenter.y=sun_center.asFloat(1);
				lighterDesc.SunCenter.z=sun_center.asFloat(2);

				// Light distance
				CConfigFile::CVar &sun_distance = parameter.getVar ("sun_distance");
				lighterDesc.SunDistance=sun_distance.asFloat();

				// Light FOV
				CConfigFile::CVar &sun_fov = parameter.getVar ("sun_fov");
				lighterDesc.SunFOV=sun_fov.asFloat();

				// Light radius
				CConfigFile::CVar &sun_radius = parameter.getVar ("sun_radius");
				lighterDesc.SunRadius=sun_radius.asFloat();

				// ZBuffer landscape size
				CConfigFile::CVar &zbuffer_landscape_size = parameter.getVar ("zbuffer_landscape_size");
				lighterDesc.ZBufferLandscapeSize=zbuffer_landscape_size.asInt();

				// ZBuffer object size
				CConfigFile::CVar &zbuffer_object_size = parameter.getVar ("zbuffer_object_size");
				lighterDesc.ZBufferObjectSize=zbuffer_object_size.asInt();

				// Soft shadow samples sqrt
				CConfigFile::CVar &soft_shadow_samples_sqrt = parameter.getVar ("soft_shadow_samples_sqrt");
				lighterDesc.SoftShadowSamplesSqrt=soft_shadow_samples_sqrt.asInt();

				// Soft shadow jitter
				CConfigFile::CVar &soft_shadow_jitter = parameter.getVar ("soft_shadow_jitter");
				lighterDesc.SoftShadowJitter=soft_shadow_jitter.asFloat();

				// Water rendering parameters
				CConfigFile::CVar &water_zbias = parameter.getVar ("water_shadow_bias");
				lighterDesc.WaterShadowBias = water_zbias.asFloat();

				CConfigFile::CVar &water_ambient = parameter.getVar ("water_ambient");
				lighterDesc.WaterAmbient = water_ambient.asFloat();

				CConfigFile::CVar &water_diffuse = parameter.getVar ("water_diffuse");
				lighterDesc.WaterDiffuse = water_diffuse.asFloat();
				
				CConfigFile::CVar &modulate_water_color = parameter.getVar ("modulate_water_color");
				lighterDesc.ModulateWaterColor = modulate_water_color.asInt() != 0;

				CConfigFile::CVar &sky_contribution_for_water = parameter.getVar ("sky_contribution_for_water");
				lighterDesc.SkyContributionForWater = sky_contribution_for_water.asInt() != 0;

				// Number of CPU
				CConfigFile::CVar &cpu_num = parameter.getVar ("cpu_num");
				lighterDesc.NumCPU=cpu_num.asInt ();

				// Sun contribution
				CConfigFile::CVar &sun_contribution = parameter.getVar ("sun_contribution");
				lighterDesc.SunContribution=sun_contribution.asInt ()!=0;

				// Shadows enabled ?
				CConfigFile::CVar &shadow = parameter.getVar ("shadow");
				lighterDesc.Shadow=shadow.asInt ()!=0;

				// Sky contribution
				CConfigFile::CVar &sky_contribution = parameter.getVar ("sky_contribution");
				lighterDesc.SkyContribution=sky_contribution.asInt ()!=0;

				// Sky contribution
				CConfigFile::CVar &sky_intensity = parameter.getVar ("sky_intensity");
				lighterDesc.SkyIntensity=sky_intensity.asFloat ();

				// Vegetable Height
				CConfigFile::CVar &vegetable_height = parameter.getVar ("vegetable_height");
				lighterDesc.VegetableHeight=vegetable_height.asFloat ();

				
				// Shadow are enabled ?
				if (lighterDesc.Shadow)
				{
					// Load and parse the dependency file
					dependency.load (argv[4]);
				}

				// Get the search pathes
				CConfigFile::CVar &search_pathes = parameter.getVar ("search_pathes");
				uint path;
				for (path = 0; path < (uint)search_pathes.size(); path++)
				{
					// Add to search path
					CPath::addSearchPath (search_pathes.asString(path));
				}

				// A landscape allocated with new: it is not delete because destruction take 3 secondes more!
				CLandscape *landscape=new CLandscape;
				landscape->init();

				// A zone lighter
				CMyZoneLighter lighter;
				lighter.init ();

				// A vector of zone id
				vector<uint> listZoneId;

				// The zone
				CZone zone;

				// List of ig
				std::list<CInstanceGroupRef> instanceGroup;

				// Load
				zone.serial (inputFile);
				inputFile.close();

				bool zoneIgLoaded = false;

				// Load ig of the zone
				string igName = getName (argv[1])+".ig";
				string igNameLookup = CPath::lookup (igName, false, false);
				if (!igNameLookup.empty())
					igName = igNameLookup;

				if (inputFile.open (igName))
				{
					// New ig
					CInstanceGroup *group=new CInstanceGroup;

					// Serial it
					group->serial (inputFile);
					inputFile.close();

					// Add to the list
					CInstanceGroupRef iref;
					iref.IG = group;
					iref.AddLight = true;
					instanceGroup.push_back (iref);
					zoneIgLoaded = true;
				}
				else
				{
					// Warning
					fprintf (stderr, "Warning: can't load instance group %s\n", igName.c_str());
					zoneIgLoaded = false;
				}

				// Load the bank
				string bankName = bank_name.asString();
				string bankNameLookup = CPath::lookup (bankName, false, false);
				if (!bankNameLookup.empty())
					bankName = bankNameLookup;
				if (inputFile.open (bankName))
				{
					try
					{
						// Load
						landscape->TileBank.serial (inputFile);
						landscape->initTileBanks();
					}
					catch (const Exception &e)
					{
						// Error
						nlwarning ("ERROR error loading tile bank %s\n%s\n", bankName.c_str(), e.what());
					}
				}
				else
				{
					// Error
					nlwarning ("ERROR can't load tile bank %s\n", bankName.c_str());
				}

				// Add the zone
				landscape->addZone (zone);
				listZoneId.push_back (zone.getZoneId());

				// Continue to build ?
				bool continu=true;

				// Try to load additionnal instance group.

				// Additionnal instance group
				if (loadInstanceGroup)
				{
					try
					{
						for (uint add=0; add<(uint)additionnal_ig.size(); add++)
						{
							// Input file
							CIFile inputFile;

							// Name of the instance group
							string name = additionnal_ig.asString(add);
							string nameLookup = CPath::lookup (name, false, false);
							if (!nameLookup.empty())
								name = nameLookup;

							// Try to open the file
							if (inputFile.open (name))
							{
								// New ig
								CInstanceGroup *group=new CInstanceGroup;

								// Serial it
								group->serial (inputFile);
								inputFile.close();

								// Add to the list
								CInstanceGroupRef iref;
								iref.IG = group;
								iref.AddLight = false;
								instanceGroup.push_back (iref);
							}
							else
							{
								// Error
								nlwarning ("ERROR can't load instance group %s\n", name.c_str());

								// Stop before build
								continu=false;
							}
						}
					}
					catch (const NLMISC::EUnknownVar &)
					{
						nlinfo("No additionnal ig's to load");
					}
				}				
				
				// *** Scan dependency file

				if (lighterDesc.Shadow)
				{
					CConfigFile::CVar &dependant_zones = dependency.getVar ("dependencies");
					std::vector<std::string> zoneNameArray;
					zoneNameArray.reserve(1 + (uint)dependant_zones.size());
					zoneNameArray.push_back(argv[1]);

					for (uint i=0; i<(uint)dependant_zones.size(); i++)
					{
						// Get zone name
						string zoneName=dependant_zones.asString(i);
						zoneNameArray.push_back(zoneName);
						// Load the zone
						CZone zoneBis;

						// Open it for reading
						if (inputFile.open (dir+zoneName+ext))
						{
							// Read it
							zoneBis.serial (inputFile);
							inputFile.close();

							// Add the zone
							landscape->addZone (zoneBis);
							listZoneId.push_back (zoneBis.getZoneId());
						}
						else
						{
							// Error message and continue
							nlwarning ("ERROR can't load zone %s\n", (dir+zoneName+ext).c_str());
						}

						// Try to load an instance group.
						if (loadInstanceGroup)
						{
							string name = zoneName+".ig";
							string nameLookup = CPath::lookup (name, false, false);
							if (!nameLookup.empty())
								name = nameLookup;

							// Name of the instance group
							if (inputFile.open (name))
							{
								// New ig
								CInstanceGroup *group=new CInstanceGroup;

								// Serial it
								group->serial (inputFile);
								inputFile.close();

								// Add to the list
								CInstanceGroupRef iref;
								iref.IG = group;
								iref.AddLight = true;
								instanceGroup.push_back (iref);
							}
							else
							{
								// Error message and continue
								nlwarning ("WARNING can't load instance group %s\n", name.c_str());
							}
						}
					}

					if (loadInstanceGroup)
					{
						// Ryzom specific : additionnal villages from a continent form
						loadIGFromContinent(parameter, instanceGroup, zoneNameArray, additionnal_ig);
					}
				}

				// A vector of CZoneLighter::CTriangle
				vector<CZoneLighter::CTriangle> vectorTriangle;

				// **********
				// *** Build triangle array
				// **********

				landscape->checkBinds ();

				// Add triangles from landscape
				landscape->enableAutomaticLighting (false);
				// no need to add obstacles in case of water patch
				if(!tileWaterPatchOnly)
					lighter.addTriangles (*landscape, listZoneId, 0, vectorTriangle);

				// Map of shape
				std::map<string, IShape*> shapeMap;

				// For each instance group
				std::list<CInstanceGroupRef>::iterator ite=instanceGroup.begin();
				while (ite!=instanceGroup.end())
				{
					// Instance group
					CInstanceGroup *group=ite->IG;

					// Load and add shapes
					if (lighterDesc.Shadow)
					{
						// For each instance
						for (uint instance=0; instance<group->getNumInstance(); instance++)
						{
							// Get the instance shape name
							string name=group->getShapeName (instance);
							if (!name.empty())
							{
								// Skip it?? use the DontCastShadowForExterior flag. See doc of this flag
								if(group->getInstance(instance).DontCastShadow || group->getInstance(instance).DontCastShadowForExterior)
									continue;

								if (toLower (CFile::getExtension (name)) == "pacs_prim")
								{
									nlwarning("EXPORT BUG: Can't read %s (not a shape), should not be part of .ig!", name.c_str());
									continue;
								}

								// PS ?
								if (toLower (CFile::getExtension (name)) == "ps")
									continue;
								
								// Add a .shape at the end ?
								if (name.find('.') == std::string::npos)
									name += ".shape";

								// Add path
								string nameLookup = CPath::lookup (name, false, false);
								if (!nameLookup.empty())
									name = nameLookup;

								// Find the shape in the bank
								std::map<string, IShape*>::iterator iteMap=shapeMap.find (name);
								if (iteMap==shapeMap.end())
								{
									// Input file
									CIFile inputFile;

									if (inputFile.open (name))
									{
										// Load it
										CShapeStream stream;
										stream.serial (inputFile);

										// Get the pointer
										iteMap=shapeMap.insert (std::map<string, IShape*>::value_type (name, stream.getShapePointer ())).first;
									}
									else
									{
										// Error
										nlwarning ("WARNING can't load shape %s\n", name.c_str());
									}
								}
								
								// Loaded ?
								if (iteMap!=shapeMap.end())
								{
									// Build the matrix
									CMatrix scale;
									scale.identity ();
									scale.scale (group->getInstanceScale (instance));
									CMatrix rot;
									rot.identity ();
									rot.setRot (group->getInstanceRot (instance));
									CMatrix pos;
									pos.identity ();
									pos.setPos (group->getInstancePos (instance));
									CMatrix mt=pos*rot*scale;

									// Add triangles
									// no need to add obstacles in case of water patch
									if(!tileWaterPatchOnly)
										lighter.addTriangles (*iteMap->second, mt, vectorTriangle);

									/** If it is a lightable shape and we are dealing with the ig of the main zone,
									  * add it to the lightable shape list
									  */
									IShape *shape = iteMap->second;
									if (ite == instanceGroup.begin()  /* are we dealing with main zone */ 
										&& zoneIgLoaded               /* ig of the main zone loaded successfully (so its indeed the ig of the first zone) ? */								
										&& CZoneLighter::isLightableShape(*shape)
										&& !tileWaterPatchOnly
									   )
									{
										lighter.addLightableShape(shape, mt);
									}

									/** If it is a water shape, add it to the lighter, so that it can check
									  * which tiles are above / below water for this zone. The result is saved in the flags of tiles.
									  * A tile that have their flags set to VegetableDisabled won't get setupped
									  */
									if (dynamic_cast<NL3D::CWaterShape *>(shape))
									{
										lighter.addWaterShape(static_cast<NL3D::CWaterShape *>(shape), mt);
									}
								}
							}
						}
					}

					// For each point light of the ig. No need wor tileWaterPatchOnly
					if (ite->AddLight && !tileWaterPatchOnly)
					{
						const std::vector<CPointLightNamed>	&pointLightList= group->getPointLightList();
						for (uint plId=0; plId<pointLightList.size(); plId++)
						{
							// Add it to the Ig.
							lighter.addStaticPointLight(pointLightList[plId]);
						}
					}

					// Next instance group
					ite++;
				}

				// If no waterpatch, and no WaterShape at all, no op
				bool	tileWaterSkip= false;
				if(continu && tileWaterPatchOnly && lighter.getNumWaterShape()==0)
				{
					nlinfo("NO WATER INTERSECTION FOUND: don't patch at all");
					continu= false;
					tileWaterSkip= true;
				}
				
				// Continue ?
				if (continu)
				{
					// **********
					// *** Light!
					// **********

					// Output zone
					CZone output;

					// normal lighting
					if(!tileWaterPatchOnly)
					{
						// Light the zone
						lighter.light (*landscape, output, zone.getZoneId(), lighterDesc, vectorTriangle, listZoneId);
					}
					else
					{
						// Load the zonel.
						CIFile zonelFile;

						// load the zonel (keep lighting)
						if (zonelFile.open (argv[2]))
						{
							// load the new zone
							try
							{
								// load it
								output.serial (zonelFile);
							}
							catch (const Exception& except)
							{
								// Error message
								nlwarning ("ERROR reading %s: %s\n", argv[2], except.what());
								throw;
							}
						}
						else
						{
							// Error can't open the file
							nlwarning ("ERROR Can't open %s for reading\n", argv[1]);
							throw Exception("ERROR Can't open the zonel for tile water patching. abort");
						}
						zonelFile.close();


						// Bkup the zone
						COFile outputFile;
						string	bkupFile= tileWaterPatchBkupDir + "/" +	CFile::getFilename(argv[2]);
						if (outputFile.open (bkupFile))
						{
							try
							{
								output.serial (outputFile);
							}
							catch (const Exception& except)
							{
								nlwarning ("ERROR backuping %s: %s\n", bkupFile.c_str(), except.what());
							}
							outputFile.close();
						}
						else
							nlwarning ("ERROR Can't open %s for writing\n", bkupFile.c_str());
						

						// patch water flags
						lighter.computeTileFlagsOnly(*landscape, output, zone.getZoneId(), lighterDesc, listZoneId);
					}

					// Save the zone
					COFile outputFile;

					// Open it
					if (outputFile.open (argv[2]))
					{
						// Save the new zone
						try
						{
							// Save it
							output.serial (outputFile);
						}
						catch (const Exception& except)
						{
							// Error message
							nlwarning ("ERROR writing %s: %s\n", argv[2], except.what());
						}
					}
					else
					{
						// Error can't open the file
						nlwarning ("ERROR Can't open %s for writing\n", argv[2]);
					}

					// Compute time
					printf ("\rCompute time: %d ms                                                      \r", 
						(uint)(CTime::getLocalTime ()-time));
				}
				else
				{
					if(!tileWaterSkip)
						// Error
						nlwarning ("ERROR Abort: files are missing.\n");
				}
			}
			catch (const Exception& except)
			{
				// Error message
				nlwarning ("ERROR %s\n", except.what());
			}
		}
		else
		{
			// Error can't open the file
			nlwarning ("ERROR Can't open %s for reading\n", argv[1]);
		}

	}

	// Landscape is not deleted, nor the instanceGroups, for faster quit.
	// Must disalbe BlockMemory checks (for pointLights).
	NL3D_BlockMemoryAssertOnPurge= false;

	// Compute time
	printf ("\rCompute time: %d ms                                                      \n", 
		(uint)(CTime::getLocalTime ()-time));

	// exit.
	return 0;
}