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425 lines
9.4 KiB
C++
425 lines
9.4 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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#include "prim_checker.h"
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// NeL Misc includes
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#include "nel/misc/vectord.h"
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#include "nel/misc/path.h"
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#include "nel/misc/i_xml.h"
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#include "nel/misc/aabbox.h"
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#include "nel/misc/file.h"
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// NeL Ligo includes
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#include "nel/ligo/ligo_config.h"
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#include "nel/ligo/primitive.h"
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// NeL 3d
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#include "nel/3d/scene_group.h"
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#include "nel/3d/transform_shape.h"
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#include "nel/3d/water_model.h"
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#include "nel/3d/water_shape.h"
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#include "nel/3d/quad_grid.h"
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// STL includes
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#include <vector>
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#include <set>
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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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using namespace std;
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NLLIGO::CLigoConfig LigoConfig;
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extern bool Verbose;
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extern float WaterThreshold;
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/*
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* Constructor
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*/
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CPrimChecker::CPrimChecker()
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{
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}
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/*
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* init()
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*/
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bool CPrimChecker::build(const string &primitivesPath, const string &igLandPath, const string &igVillagePath, const string &outputDirectory, bool forceRebuild)
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{
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if (Verbose)
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nlinfo("Checking pacs.packed_prims consistency");
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NLLIGO::Register();
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// Init ligo
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if (!LigoConfig.readPrimitiveClass ("world_editor_classes.xml", false))
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{
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// Should be in l:\leveldesign\world_edit_files
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nlwarning ("Can't load ligo primitive config file world_editor_classes.xml");
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return false;
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}
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uint i, j;
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string outputfname = CPath::standardizePath(outputDirectory)+"pacs.packed_prims";
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_Grid.clear();
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vector<string> files;
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CPath::getPathContent(primitivesPath, true, false, true, files);
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for (i=0; i<files.size(); ++i)
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{
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if (CFile::getExtension(files[i]) == "primitive")
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{
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readFile(files[i]);
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}
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}
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files.clear();
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CPath::getPathContent(igLandPath, true, false, true, files);
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CPath::getPathContent(igVillagePath, true, false, true, files);
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set<string> noWaterShapes;
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for (i=0; i<files.size(); ++i)
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{
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try
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{
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// load ig associated to the zone
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string igname = files[i];
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if (CFile::getExtension(igname) != "ig")
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continue;
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string ignamelookup = CPath::lookup(igname);
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//nlinfo("Reading ig '%s'", ignamelookup.c_str());
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CIFile igStream(ignamelookup);
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CInstanceGroup ig;
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igStream.serial(ig);
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// search in group for water instance
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for (j=0; j<ig._InstancesInfos.size(); ++j)
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{
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string shapeName = ig._InstancesInfos[j].Name;
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if (CFile::getExtension (shapeName) == "")
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shapeName += ".shape";
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if (noWaterShapes.find(shapeName) != noWaterShapes.end())
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continue;
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string shapeNameLookup = CPath::lookup (shapeName, false, false);
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if (!shapeNameLookup.empty())
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{
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CIFile f;
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if (f.open (shapeNameLookup))
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{
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CShapeStream shape;
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shape.serial(f);
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CWaterShape *wshape = dynamic_cast<CWaterShape*>(shape.getShapePointer());
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if (wshape == NULL)
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{
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noWaterShapes.insert(shapeName);
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continue;
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}
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//nlinfo("Render water shape '%s'", shapeNameLookup.c_str());
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CMatrix matrix;
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ig.getInstanceMatrix(j, matrix);
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CPolygon wpoly;
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//wshape->getShapeInWorldSpace(wpoly);
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CPolygon2D wpoly2d = wshape->getShape();
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uint k;
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for (k=0; k<wpoly2d.Vertices.size(); ++k)
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{
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wpoly.Vertices.push_back(matrix * wpoly2d.Vertices[k]);
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}
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float zwater = wpoly.Vertices[0].z - WaterThreshold;
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uint16 idx = (uint16)_WaterHeight.size();
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_WaterHeight.push_back(zwater);
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render(wpoly, idx);
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if (Verbose)
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nlinfo("Rendered water shape '%s' in instance '%s'", CFile::getFilenameWithoutExtension(shapeName).c_str(), CFile::getFilenameWithoutExtension(igname).c_str());
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}
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else if (Verbose)
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{
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noWaterShapes.insert(shapeName);
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nlwarning ("Can't load shape %s", shapeNameLookup.c_str());
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}
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}
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else if (Verbose)
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{
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noWaterShapes.insert(shapeName);
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nlwarning ("Can't find shape %s", shapeName.c_str());
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}
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}
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}
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catch (const Exception &e)
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{
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nlwarning("%s", e.what());
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}
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}
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COFile f;
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if (f.open(outputfname))
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{
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f.serial(_Grid);
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f.serialCont(_WaterHeight);
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}
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else
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{
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nlwarning("Couldn't save pacs.packed_prims file '%s'", outputfname.c_str());
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}
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return true;
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}
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/*
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* load()
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*/
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bool CPrimChecker::load(const string &outputDirectory)
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{
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string outputfname = CPath::standardizePath(outputDirectory)+"pacs.packed_prims";
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CIFile f;
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if (f.open(outputfname))
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{
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f.serial(_Grid);
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f.serialCont(_WaterHeight);
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}
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else
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{
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nlwarning("Couldn't load pacs.packed_prims file '%s'", outputfname.c_str());
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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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* readFile()
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*/
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void CPrimChecker::readFile(const string &filename)
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{
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string fullpath = CPath::lookup(filename, false);
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if (fullpath.empty())
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return;
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// lookup for primitive file
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CIFile f(fullpath);
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CIXml xml;
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CPrimitives prims;
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// load xml file
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xml.init(f);
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if (Verbose)
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nlinfo("Loaded prim file '%s'", filename.c_str());
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// read nodes
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if (!prims.read(xml.getRootNode(), filename.c_str(), LigoConfig))
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{
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nlwarning("Can't use primitive file '%s', xml parse error", filename.c_str());
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return;
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}
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// get CPrimNode
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CPrimNode *primRootNode = prims.RootNode;
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// read recursive node
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readPrimitive(primRootNode);
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}
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/*
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* readPrimitive()
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*/
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void CPrimChecker::readPrimitive(IPrimitive *primitive)
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{
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string className;
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// check good class and check primitive has a class name
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if (dynamic_cast<CPrimZone*>(primitive) != NULL && primitive->getPropertyByName("class", className))
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{
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if (className == "pacs_include")
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render(static_cast<CPrimZone*>(primitive), Include);
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else if (className == "pacs_exclude")
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render(static_cast<CPrimZone*>(primitive), Exclude);
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else if (className == "pacs_cluster_hint")
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render(static_cast<CPrimZone*>(primitive), ClusterHint);
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}
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// parse children
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uint i;
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for (i=0; i<primitive->getNumChildren(); ++i)
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{
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IPrimitive *child;
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if (!primitive->getChild(child, i))
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continue;
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readPrimitive(child);
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}
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}
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/*
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* render()
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*/
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void CPrimChecker::render(CPrimZone *zone, uint8 bits)
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{
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if (zone->VPoints.size() < 3)
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return;
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string name;
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if (zone->getPropertyByName("name", name) && Verbose)
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nlinfo("Rendering CPrimZone '%s'", name.c_str());
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// get the bouding box of the CPrimZone
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CAABBox box;
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box.setCenter(zone->VPoints[0]);
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box.setHalfSize(CVector::Null);
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uint i;
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for (i=1; i<zone->VPoints.size(); ++i)
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box.extend(zone->VPoints[i]);
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sint32 xmin, ymin, xmax, ymax;
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xmin = (sint32)(floor(box.getMin().x));
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ymin = (sint32)(floor(box.getMin().y));
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xmax = (sint32)(ceil(box.getMax().x));
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ymax = (sint32)(ceil(box.getMax().y));
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// Fill grid with points that belong to the CPrimZone
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sint32 x, y;
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for (y=ymin; y<=ymax; ++y)
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for (x=xmin; x<=xmax; ++x)
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if (zone->contains(CVector((float)x, (float)y, 0.0f)))
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_Grid.set(x, y, bits);
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}
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/*
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* Render a water shape, as a CPolygon
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*/
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void CPrimChecker::render(const CPolygon &poly, uint16 value)
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{
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list<CPolygon> convex;
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// divide poly in convex polys
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if (!poly.toConvexPolygons(convex, CMatrix::Identity))
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{
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convex.clear();
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CPolygon reverse = poly;
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std::reverse(reverse.Vertices.begin(), reverse.Vertices.end());
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if (!reverse.toConvexPolygons(convex, CMatrix::Identity))
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return;
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}
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list<CPolygon>::iterator it;
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for (it=convex.begin(); it!=convex.end(); ++it)
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{
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CPolygon2D convex2d(*it);
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CPolygon2D::TRasterVect rasterized;
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sint ymin;
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convex2d.computeBorders(rasterized, ymin);
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sint dy;
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for (dy=0; dy<(sint)rasterized.size(); ++dy)
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{
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sint x;
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for (x=rasterized[dy].first; x<=rasterized[dy].second; ++x)
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{
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uint8 prevBits = _Grid.get((uint)x, (uint)(ymin+dy));
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// only set if there was not a water shape there or if previous was lower
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if ((prevBits & Water) != 0)
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{
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uint16 prevWS = _Grid.index((uint)x, (uint)(ymin+dy));
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if (_WaterHeight[value] < _WaterHeight[prevWS])
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continue;
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}
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_Grid.index((uint)x, (uint)(ymin+dy), value);
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_Grid.set((uint)x, (uint)(ymin+dy), Water);
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}
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}
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}
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}
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/*
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* Render a CPolygon of bit value
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*/
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void CPrimChecker::renderBits(const CPolygon &poly, uint8 bits)
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{
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list<CPolygon> convex;
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// divide poly in convex polys
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if (!poly.toConvexPolygons(convex, CMatrix::Identity))
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{
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convex.clear();
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CPolygon reverse = poly;
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std::reverse(reverse.Vertices.begin(), reverse.Vertices.end());
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if (!reverse.toConvexPolygons(convex, CMatrix::Identity))
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return;
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}
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list<CPolygon>::iterator it;
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for (it=convex.begin(); it!=convex.end(); ++it)
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{
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CPolygon2D convex2d(*it);
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CPolygon2D::TRasterVect rasterized;
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sint ymin;
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convex2d.computeBorders(rasterized, ymin);
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sint dy;
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for (dy=0; dy<(sint)rasterized.size(); ++dy)
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{
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sint x;
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for (x=rasterized[dy].first; x<=rasterized[dy].second; ++x)
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{
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_Grid.set((uint)x, (uint)(ymin+dy), bits);
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}
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}
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}
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}
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