]> de.git.xonotic.org Git - voretournament/voretournament.git/blobdiff - misc/mediasource/netradiant-src/contrib/brushexport/export.cpp
Move the netradiant and fteqcc sources
[voretournament/voretournament.git] / misc / mediasource / netradiant-src / contrib / brushexport / export.cpp
diff --git a/misc/mediasource/netradiant-src/contrib/brushexport/export.cpp b/misc/mediasource/netradiant-src/contrib/brushexport/export.cpp
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+#include "export.h"
+#include "debugging/debugging.h"
+#include "ibrush.h"
+#include "iscenegraph.h"
+#include "iselection.h"
+#include "stream/stringstream.h"
+#include "stream/textfilestream.h"
+
+#include <map>
+
+// this is very evil, but right now there is no better way
+#include "../../radiant/brush.h"
+
+// for limNames
+#define MAX_MATERIAL_NAME 20
+
+/*
+       Abstract baseclass for modelexporters
+       the class collects all the data which then gets
+       exported through the WriteToFile method.
+*/
+class ExportData
+{
+public:
+       ExportData(const std::set<std::string>& ignorelist, collapsemode mode, bool limNames, bool objs);
+       virtual ~ExportData(void);
+       
+       virtual void BeginBrush(Brush& b);
+       virtual void AddBrushFace(Face& f);
+       virtual void EndBrush(void);
+       
+       virtual bool WriteToFile(const std::string& path, collapsemode mode) const = 0;
+       
+protected:
+
+       // a group of faces
+       class group
+       {
+       public:
+               std::string name;
+               std::list<const Face*> faces;
+       };
+       
+       std::list<group> groups;
+       
+private:
+
+       // "textures/common/caulk" -> "caulk"
+       void GetShaderNameFromShaderPath(const char* path, std::string& name);
+
+       group* current; 
+       collapsemode mode;
+       const std::set<std::string>& ignorelist;
+};
+
+ExportData::ExportData(const std::set<std::string>& _ignorelist, collapsemode _mode, bool _limNames, bool _objs)
+       :       mode(_mode),
+               ignorelist(_ignorelist)
+{
+       current = 0;
+       
+       // in this mode, we need just one group
+       if(mode == COLLAPSE_ALL)
+       {
+               groups.push_back(group());
+               current = &groups.back();
+               current->name = "all";
+       }
+}
+
+ExportData::~ExportData(void)
+{
+       
+}
+
+void ExportData::BeginBrush(Brush& b)
+{
+       // create a new group for each brush
+       if(mode == COLLAPSE_NONE)
+       {
+               groups.push_back(group());
+               current = &groups.back();
+               
+               StringOutputStream str(256);
+               str << "Brush" << (const unsigned int)groups.size();
+               current->name = str.c_str();
+       }
+}
+
+void ExportData::EndBrush(void)
+{
+       // all faces of this brush were on the ignorelist, discard the emptygroup
+       if(mode == COLLAPSE_NONE)
+       {
+               ASSERT_NOTNULL(current);
+               if(current->faces.empty())
+               {
+                       groups.pop_back();
+                       current = 0;
+               }
+       }
+}
+
+void ExportData::AddBrushFace(Face& f)
+{
+       std::string shadername;
+       GetShaderNameFromShaderPath(f.GetShader(), shadername);
+       
+       // ignore faces from ignore list
+       if(ignorelist.find(shadername) != ignorelist.end())
+               return;
+               
+       if(mode == COLLAPSE_BY_MATERIAL)
+       {
+               // find a group for this material
+               current = 0;
+               const std::list<group>::iterator end(groups.end());
+               for(std::list<group>::iterator it(groups.begin()); it != end; ++it)
+               {
+                       if(it->name == shadername)
+                               current = &(*it);
+               }
+               
+               // no group found, create one
+               if(!current)
+               {
+                       groups.push_back(group());
+                       current = &groups.back();
+                       current->name = shadername;
+               }
+       }
+       
+       ASSERT_NOTNULL(current);
+       
+       // add face to current group
+       current->faces.push_back(&f);
+       
+#ifdef _DEBUG
+       globalOutputStream() << "Added Face to group " << current->name.c_str() << "\n";
+#endif
+}
+
+void ExportData::GetShaderNameFromShaderPath(const char* path, std::string& name)
+{
+       std::string tmp(path);
+
+       size_t last_slash = tmp.find_last_of("/");
+       
+       if(last_slash != std::string::npos && last_slash == (tmp.length() - 1))
+               name = path;
+       else
+               name = tmp.substr(last_slash + 1, tmp.length() - last_slash);
+
+#ifdef _DEBUG
+       globalOutputStream() << "Last: " << (const unsigned int) last_slash << " " << "length: " << (const unsigned int)tmp.length() << "Name: " << name.c_str() << "\n";
+#endif
+}
+
+/*
+       Exporter writing facedata as wavefront object
+*/
+class ExportDataAsWavefront : public ExportData
+{
+private:
+       bool expmat;
+       bool limNames;
+       bool objs;
+
+public:
+       ExportDataAsWavefront(const std::set<std::string>& _ignorelist, collapsemode _mode, bool _expmat, bool _limNames, bool _objs)
+               : ExportData(_ignorelist, _mode, _limNames, _objs)
+       {
+               expmat = _expmat;
+               limNames = _limNames;
+               objs = _objs;
+       }
+       
+       bool WriteToFile(const std::string& path, collapsemode mode) const;
+};
+
+bool ExportDataAsWavefront::WriteToFile(const std::string& path, collapsemode mode) const
+{
+       std::string objFile = path.substr(0, path.length() -4) + ".obj";
+       std::string mtlFile = path.substr(0, path.length() -4) + ".mtl";
+
+       std::set<std::string> materials;
+
+       TextFileOutputStream out(objFile.c_str());
+       
+       if(out.failed())
+       {
+               globalErrorStream() << "Unable to open file\n";
+               return false;
+       }
+               
+       out << "# Wavefront Objectfile exported with radiants brushexport plugin 3.0 by Thomas 'namespace' Nitschke, spam@codecreator.net\n\n";
+
+       if(expmat)
+       {
+               size_t last = mtlFile.find_last_of("//");
+               std::string mtllib = mtlFile.substr(last + 1, mtlFile.size() - last).c_str();
+               out << "mtllib " << mtllib.c_str() << "\n";
+       }
+       
+       unsigned int vertex_count = 0;
+
+       const std::list<ExportData::group>::const_iterator gend(groups.end());
+       for(std::list<ExportData::group>::const_iterator git(groups.begin()); git != gend; ++git)
+       {
+               typedef std::multimap<std::string, std::string> bm;
+               bm brushMaterials;
+               typedef std::pair<std::string, std::string> String_Pair;
+
+               const std::list<const Face*>::const_iterator end(git->faces.end());
+               
+               // submesh starts here
+               if(objs)
+               {
+                       out << "\no ";
+               } else {
+                       out << "\ng ";
+               }
+               out << git->name.c_str() << "\n";
+
+               // material
+               if(expmat && mode == COLLAPSE_ALL)
+               {
+                       out << "usemtl material" << "\n\n";
+                       materials.insert("material");
+               }
+
+               for(std::list<const Face*>::const_iterator it(git->faces.begin()); it != end; ++it)
+               {
+                       const Winding& w((*it)->getWinding());
+                       
+                       // vertices
+                       for(size_t i = 0; i < w.numpoints; ++i)
+                                       out << "v " << FloatFormat(w[i].vertex.x(), 1, 6) << " " << FloatFormat(w[i].vertex.z(), 1, 6) << " " << FloatFormat(w[i].vertex.y(), 1, 6) << "\n";
+               }
+               out << "\n";    
+               
+               for(std::list<const Face*>::const_iterator it(git->faces.begin()); it != end; ++it)
+               {
+                       const Winding& w((*it)->getWinding());
+                       
+                       // texcoords
+                       for(size_t i = 0; i < w.numpoints; ++i)
+                               out << "vt " << FloatFormat(w[i].texcoord.x(), 1, 6) << " " << FloatFormat(w[i].texcoord.y(), 1, 6) << "\n";
+               }
+               
+               for(std::list<const Face*>::const_iterator it(git->faces.begin()); it != end; ++it)
+               {
+                       const Winding& w((*it)->getWinding());
+                       
+                       // faces
+                       StringOutputStream faceLine(256);
+                       faceLine << "\nf";
+                       for(size_t i = 0; i < w.numpoints; ++i, ++vertex_count)
+                       {
+                               faceLine << " " << vertex_count+1 << "/" << vertex_count+1;
+                       }
+
+                       if(mode != COLLAPSE_ALL)
+                       {
+                               materials.insert((*it)->getShader().getShader());
+                               brushMaterials.insert(String_Pair((*it)->getShader().getShader(), faceLine.c_str()));
+                       } else {
+                               out << faceLine.c_str();
+                       }
+               }
+
+               if(mode != COLLAPSE_ALL)
+               {
+                       std::string lastMat;
+                       std::string mat;
+                       std::string faces;
+
+                       for(bm::iterator iter = brushMaterials.begin(); iter != brushMaterials.end(); iter++)
+                       {
+                               mat = (*iter).first.c_str();
+                               faces = (*iter).second.c_str();
+
+                               if(mat != lastMat)
+                               {
+                                       if(limNames && mat.size() > MAX_MATERIAL_NAME)
+                                       {
+                                               out << "\nusemtl " << mat.substr(mat.size() - MAX_MATERIAL_NAME, mat.size()).c_str();
+                                       } else {
+                                               out << "\nusemtl " << mat.c_str();
+                                       }
+                               }
+
+                               out << faces.c_str();
+                               lastMat = mat;
+                       }
+               }
+
+               out << "\n";
+       }
+
+       if(expmat)
+       {
+               TextFileOutputStream outMtl(mtlFile.c_str());
+               if(outMtl.failed())
+               {
+                       globalErrorStream() << "Unable to open material file\n";
+                       return false;
+               }
+
+               outMtl << "# Wavefront material file exported with NetRadiants brushexport plugin.\n";
+               outMtl << "# Material Count: " << (const Unsigned)materials.size() << "\n\n";
+               for(std::set<std::string>::const_iterator it(materials.begin()); it != materials.end(); ++it)
+               {
+                       if(limNames && it->size() > MAX_MATERIAL_NAME)
+                       {
+                               outMtl << "newmtl " << it->substr(it->size() - MAX_MATERIAL_NAME, it->size()).c_str() << "\n";
+                       } else {
+                               outMtl << "newmtl " << it->c_str() << "\n";
+                       }
+               }
+       }
+       
+       return true;
+}
+
+
+class ForEachFace : public BrushVisitor
+{
+public:
+       ForEachFace(ExportData& _exporter)
+               : exporter(_exporter)
+       {}
+       
+       void visit(Face& face) const
+       {
+               exporter.AddBrushFace(face);
+       }
+       
+private:
+       ExportData& exporter;
+};
+
+class ForEachSelected : public SelectionSystem::Visitor
+{
+public:
+       ForEachSelected(ExportData& _exporter)
+               : exporter(_exporter)
+       {}
+       
+       void visit(scene::Instance& instance) const
+    {
+               BrushInstance* bptr = InstanceTypeCast<BrushInstance>::cast(instance);
+               if(bptr)
+               {
+                       Brush& brush(bptr->getBrush());
+                       
+                       exporter.BeginBrush(brush);
+                               ForEachFace face_vis(exporter);
+                               brush.forEachFace(face_vis);
+                       exporter.EndBrush();
+               }
+    }
+    
+private:
+       ExportData& exporter;
+};
+bool ExportSelection(const std::set<std::string>& ignorelist, collapsemode m, bool exmat, const std::string& path, bool limNames, bool objs)
+{
+       ExportDataAsWavefront exporter(ignorelist, m, exmat, limNames, objs);
+       
+       ForEachSelected vis(exporter);
+       GlobalSelectionSystem().foreachSelected(vis);
+       
+       return exporter.WriteToFile(path, m);
+}