440 lines
11 KiB
C++
440 lines
11 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// ---------------------------------------------------------------------------
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#include <vector>
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#include <string>
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#include "nel/misc/config_file.h"
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#include "nel/misc/file.h"
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#include "nel/misc/path.h"
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#include "nel/misc/bitmap.h"
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#include "nel/misc/block_memory.h"
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#include "nel/misc/i_xml.h"
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#include "nel/misc/app_context.h"
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#include "nel/ligo/zone_region.h"
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#include "nel/3d/scene_group.h"
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// ---------------------------------------------------------------------------
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using namespace std;
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using namespace NLMISC;
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using namespace NLLIGO;
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using namespace NL3D;
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// ---------------------------------------------------------------------------
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// Out a string to the stdout and log.log
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void outString (const string &sText)
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{
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createDebug ();
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InfoLog->displayRaw(sText.c_str());
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//printf ("%s", sText.c_str());
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}
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// ---------------------------------------------------------------------------
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struct SExportOptions
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{
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string InputIGDir;
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string OutputIGDir;
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float CellSize;
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string HeightMapFile1;
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float ZFactor1;
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string HeightMapFile2;
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float ZFactor2;
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string LandFile;
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// -----------------------------------------------------------------------
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bool load (const string &sFilename)
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{
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FILE * f = fopen (sFilename.c_str(), "rt");
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if (f == NULL)
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return false;
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else
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fclose (f);
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try
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{
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CConfigFile cf;
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cf.load (sFilename);
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// Out
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CConfigFile::CVar &cvOutputIGDir = cf.getVar("OutputIGDir");
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OutputIGDir = cvOutputIGDir.asString();
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// In
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CConfigFile::CVar &cvInputIGDir = cf.getVar("InputIGDir");
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InputIGDir = cvInputIGDir.asString();
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CConfigFile::CVar &cvCellSize = cf.getVar("CellSize");
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CellSize = cvCellSize.asFloat();
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CConfigFile::CVar &cvHeightMapFile1 = cf.getVar("HeightMapFile1");
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HeightMapFile1 = cvHeightMapFile1.asString();
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CConfigFile::CVar &cvZFactor1 = cf.getVar("ZFactor1");
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ZFactor1 = cvZFactor1.asFloat();
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CConfigFile::CVar &cvHeightMapFile2 = cf.getVar("HeightMapFile2");
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HeightMapFile2 = cvHeightMapFile2.asString();
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CConfigFile::CVar &cvZFactor2 = cf.getVar("ZFactor2");
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ZFactor2 = cvZFactor2.asFloat();
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CConfigFile::CVar &cvLandFile = cf.getVar("LandFile");
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LandFile = cvLandFile.asString();
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}
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catch (const EConfigFile &e)
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{
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string sTmp = string("ERROR : Error in config file : ") + e.what() + "\n";
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outString (sTmp);
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return false;
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}
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return true;
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}
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};
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struct CZoneLimits
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{
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sint32 _ZoneMinX;
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sint32 _ZoneMaxX;
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sint32 _ZoneMinY;
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sint32 _ZoneMaxY;
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};
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// ---------------------------------------------------------------------------
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CZoneRegion *loadLand (const string &filename)
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{
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CZoneRegion *ZoneRegion = NULL;
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try
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{
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CIFile fileIn;
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if (fileIn.open (filename))
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{
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// Xml
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CIXml xml (true);
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nlverify (xml.init (fileIn));
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ZoneRegion = new CZoneRegion;
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ZoneRegion->serial (xml);
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}
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else
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{
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outString (toString("Can't open the land files: %s", filename.c_str()));
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}
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}
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catch (const Exception& e)
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{
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outString(toString("Error in land file: %s", e.what()));
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}
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return ZoneRegion;
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}
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// ***************************************************************************
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CInstanceGroup* LoadInstanceGroup (const std::string &sFilename)
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{
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CIFile file;
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CInstanceGroup *newIG = new CInstanceGroup;
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if( file.open( sFilename ) )
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{
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try
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{
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newIG->serial (file);
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}
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catch (const Exception &)
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{
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// Cannot save the file
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delete newIG;
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return NULL;
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}
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}
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else
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{
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delete newIG;
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return NULL;
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}
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return newIG;
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}
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// ***************************************************************************
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void SaveInstanceGroup (const std::string &sFilename, CInstanceGroup *pIG)
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{
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COFile file;
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if( file.open( sFilename ) )
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{
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try
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{
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pIG->serial (file);
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}
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catch (const Exception &e)
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{
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outString(e.what());
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}
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}
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else
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{
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outString(toString("Couldn't create %s", sFilename.c_str()));
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}
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}
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/** Get the Z of the height map at the given position
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*/
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static float getHeightMapZ(float x, float y, const CZoneLimits &zl, const SExportOptions &options, CBitmap *heightMap1, CBitmap *heightMap2)
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{
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float deltaZ = 0.0f, deltaZ2 = 0.0f;
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CRGBAF color;
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sint32 SizeX = zl._ZoneMaxX - zl._ZoneMinX + 1;
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sint32 SizeY = zl._ZoneMaxY - zl._ZoneMinY + 1;
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clamp (x, options.CellSize * zl._ZoneMinX, options.CellSize * (zl._ZoneMaxX + 1));
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clamp (y, options.CellSize * zl._ZoneMinY, options.CellSize * (zl._ZoneMaxY + 1));
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if (heightMap1 != NULL)
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{
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color = heightMap1->getColor ( (x - options.CellSize * zl._ZoneMinX) / (options.CellSize * SizeX),
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1.0f - ((y - options.CellSize * zl._ZoneMinY) / (options.CellSize * SizeY)));
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color *= 255.f;
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deltaZ = color.A;
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deltaZ = deltaZ - 127.0f; // Median intensity is 127
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deltaZ *= options.ZFactor1;
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}
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if (heightMap2 != NULL)
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{
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color = heightMap2->getColor ( (x - options.CellSize * zl._ZoneMinX) / (options.CellSize * SizeX),
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1.0f - ((y - options.CellSize * zl._ZoneMinY) / (options.CellSize * SizeY)));
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color *= 255.f;
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deltaZ2 = color.A;
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deltaZ2 = deltaZ2 - 127.0f; // Median intensity is 127
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deltaZ2 *= options.ZFactor2;
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}
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return deltaZ + deltaZ2;
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}
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// ---------------------------------------------------------------------------
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int main(int nNbArg, char**ppArgs)
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{
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if (!NLMISC::INelContext::isContextInitialised())
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new CApplicationContext();
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NL3D_BlockMemoryAssertOnPurge = false;
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std::string sCurDir = CPath::getCurrentPath();
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if (nNbArg != 2)
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{
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printf ("Use : ig_elevation configfile.cfg\n");
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printf ("\nExample of config.cfg\n\n");
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printf ("InputIGDir = \"ig_land_max\";\n");
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printf ("OutputIGDir = \"ig_land_max_elev\";\n");
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printf ("CellSize = 160.0;\n");
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printf ("HeightMapFile1 = \"w:/database/landscape/ligo/jungle/big.tga\";\n");
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printf ("ZFactor1 = 1.0;\n");
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printf ("HeightMapFile2 = \"w:/database/landscape/ligo/jungle/noise.tga\";\n");
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printf ("ZFactor2 = 0.5;\n");
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printf ("LandFile = \"w:/matis.land\";\n");
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return -1;
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}
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SExportOptions options;
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if (!options.load(ppArgs[1]))
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{
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return -1;
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}
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// Get all ig files in the input directory and elevate to the z of the double heightmap
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// Load the land
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CZoneRegion *ZoneRegion = loadLand(options.LandFile);
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CZoneLimits zl;
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if (ZoneRegion)
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{
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zl._ZoneMinX = ZoneRegion->getMinX() < 0 ? 0 : ZoneRegion->getMinX();
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zl._ZoneMaxX = ZoneRegion->getMaxX() > 255 ? 255 : ZoneRegion->getMaxX();
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zl._ZoneMinY = ZoneRegion->getMinY() > 0 ? 0 : ZoneRegion->getMinY();
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zl._ZoneMaxY = ZoneRegion->getMaxY() < -255 ? -255 : ZoneRegion->getMaxY();
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}
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else
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{
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nlwarning("A ligo .land file cannot be found");
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zl._ZoneMinX = 0;
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zl._ZoneMaxX = 255;
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zl._ZoneMinY = 0;
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zl._ZoneMaxY = 255;
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}
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// Load the 2 height maps
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CBitmap *HeightMap1 = NULL;
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if (!options.HeightMapFile1.empty())
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{
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HeightMap1 = new CBitmap;
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try
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{
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CIFile inFile;
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if (inFile.open(options.HeightMapFile1))
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{
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HeightMap1->load (inFile);
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}
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else
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{
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outString(toString("Couldn't not open %s: heightmap 1 map ignored", options.HeightMapFile1.c_str()));
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delete HeightMap1;
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HeightMap1 = NULL;
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}
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}
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catch (const Exception &e)
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{
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outString(toString("Cant load height map : %s : %s", options.HeightMapFile1.c_str(), e.what()));
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delete HeightMap1;
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HeightMap1 = NULL;
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}
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}
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CBitmap *HeightMap2 = NULL;
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if (!options.HeightMapFile2.empty())
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{
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HeightMap2 = new CBitmap;
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try
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{
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CIFile inFile;
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if (inFile.open(options.HeightMapFile2))
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{
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HeightMap2->load (inFile);
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}
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else
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{
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outString(toString("Couldn't not open %s: heightmap 2 map ignored", options.HeightMapFile2.c_str()));
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delete HeightMap2;
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HeightMap2 = NULL;
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}
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}
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catch (const Exception &e)
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{
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outString (string("Cant load height map : ") + options.HeightMapFile2 + " : " + e.what() + "\n");
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delete HeightMap2;
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HeightMap1 = NULL;
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}
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}
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// get all files
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vector<string> vAllFilesUnfiltered;
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CPath::getPathContent(options.InputIGDir, false, false, true, vAllFilesUnfiltered);
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// keep only .ig files
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vector<string> vAllFiles;
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for(uint i = 0, len = (uint)vAllFilesUnfiltered.size(); i < len; ++i)
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{
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if (toLower(CFile::getExtension(vAllFilesUnfiltered[i])) == "ig")
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{
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vAllFiles.push_back(vAllFilesUnfiltered[i]);
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}
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}
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for (uint32 i = 0; i < vAllFiles.size(); ++i)
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{
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CInstanceGroup *pIG = LoadInstanceGroup (CPath::standardizePath(options.InputIGDir) + vAllFiles[i]);
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if (pIG != NULL)
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{
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bool realTimeSunContribution = pIG->getRealTimeSunContribution();
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// For all instances !!!
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CVector vGlobalPos;
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CInstanceGroup::TInstanceArray IA;
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vector<CCluster> Clusters;
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vector<CPortal> Portals;
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vector<CPointLightNamed> PLN;
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pIG->retrieve (vGlobalPos, IA, Clusters, Portals, PLN);
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if (IA.empty() && PLN.empty() && Portals.empty() && Clusters.empty()) continue;
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uint k;
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// elevate instance
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for(k = 0; k < IA.size(); ++k)
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{
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CVector instancePos = vGlobalPos + IA[k].Pos;
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IA[k].Pos.z += getHeightMapZ(instancePos.x, instancePos.y, zl, options, HeightMap1, HeightMap2);
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}
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// lights
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for(k = 0; k < PLN.size(); ++k)
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{
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CVector lightPos = vGlobalPos + PLN[k].getPosition();
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PLN[k].setPosition( PLN[k].getPosition() + getHeightMapZ(lightPos.x, lightPos.y, zl, options, HeightMap1, HeightMap2) * CVector::K);
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}
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// portals
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std::vector<CVector> portal;
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for(k = 0; k < Portals.size(); ++k)
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{
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Portals[k].getPoly(portal);
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if (portal.empty())
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{
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nlwarning("Empty portal found");
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continue;
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}
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// compute mean position of the poly
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CVector meanPos(0, 0, 0);
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uint l;
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for(l = 0; l < portal.size(); ++l)
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meanPos += portal[l];
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meanPos /= (float) portal.size();
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meanPos += vGlobalPos;
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float z = getHeightMapZ(meanPos.x, meanPos.y, zl, options, HeightMap1, HeightMap2);
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for(l = 0; l < portal.size(); ++l)
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{
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portal[l].z += z;
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}
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Portals[k].setPoly(portal);
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}
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// clusters
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std::vector<CPlane> volume;
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CMatrix transMatrix;
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for(k = 0; k < Clusters.size(); ++k)
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{
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CVector clusterPos = vGlobalPos + Clusters[k].getBBox().getCenter();
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float z = getHeightMapZ(clusterPos.x, clusterPos.y, zl, options, HeightMap1, HeightMap2);
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transMatrix.setPos(z * CVector::K);
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Clusters[k].applyMatrix(transMatrix);
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}
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CInstanceGroup *pIGout = new CInstanceGroup;
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pIGout->build (vGlobalPos, IA, Clusters, Portals, PLN);
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pIGout->enableRealTimeSunContribution(realTimeSunContribution);
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SaveInstanceGroup (CPath::standardizePath(options.OutputIGDir) + vAllFiles[i], pIGout);
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delete pIG;
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}
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}
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return 1;
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}
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