zoomedit: Verallgemeinerte Level-Objekte implementiert.

20 files changed, 498 insertions, 167 deletions

diff --git a/Drawer.cpp b/Drawer.cpp
index e1373a5..147103a 100644
--- a/Drawer.cpp
+++ b/Drawer.cpp
@@ -17,6 +17,7 @@ void Drawer::realize(GtkWidget *widget, Drawer *drawer) {
   glEnable(GL_BLEND);
   
   glEnable(GL_LINE_SMOOTH);
+  glEnable(GL_POINT_SMOOTH);
   
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
@@ -238,9 +239,13 @@ void Drawer::viewToImage(Vertex *v) const {
 float Drawer::getImageWidth() const {
   float max = 0;
   
-  for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
-    for(Room::iterator v = room->begin(); v != room->end(); v++) {
-      max = fmaxf(max, fabsf(v->getX()));
+  for(Level::iterator object = window->getLevel().begin(); object != window->getLevel().end(); object++) {
+    if((*object)->isOfType("Room")) {
+      Room *room = (Room*)&**object;
+      
+      for(Room::iterator v = room->begin(); v != room->end(); v++) {
+        max = fmaxf(max, fabsf(v->getX()));
+      }
     }
   }
   
@@ -250,9 +255,13 @@ float Drawer::getImageWidth() const {
 float Drawer::getImageHeight() const {
   float max = 0;
   
-  for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
-    for(Room::iterator v = room->begin(); v != room->end(); v++) {
-      max = fmaxf(max, fabsf(v->getY()));
+  for(Level::iterator object = window->getLevel().begin(); object != window->getLevel().end(); object++) {
+    if((*object)->isOfType("Room")) {
+      Room *room = (Room*)&**object;
+      
+      for(Room::iterator v = room->begin(); v != room->end(); v++) {
+        max = fmaxf(max, fabsf(v->getY()));
+      }
     }
   }
   
diff --git a/EditManager.cpp b/EditManager.cpp
index 8e2c045..0656939 100644
--- a/EditManager.cpp
+++ b/EditManager.cpp
@@ -5,23 +5,21 @@
 bool EditManager::lineOk(const Line& l) const {
   Line l2;
   
-  if(activeRoom) {
-    for(size_t i = 0; i+2 < activeRoom->size(); i++) {
-      l2.setVertex1(activeRoom->at(i));
-      l2.setVertex2(activeRoom->at(i+1));
-      
-      if(l.intersects(l2, NULL) == INTERSECTION_SEGMENT_SEGMENT) return false;
-    }
+  for(size_t i = 0; i+2 < newRoom.size(); i++) {
+    l2.setVertex1(newRoom.at(i));
+    l2.setVertex2(newRoom.at(i+1));
     
-    if(activeRoom->size() > 1) {
-      l2.setVertex1(activeRoom->at(activeRoom->size()-2));
-      l2.setVertex2(activeRoom->back());
-      if(l2.contains(l.getVertex2())) return false;
-    }
+    if(l.intersects(l2, NULL) == INTERSECTION_SEGMENT_SEGMENT) return false;
+  }
+  
+  if(newRoom.size() > 1) {
+    l2.setVertex1(newRoom.at(newRoom.size()-2));
+    l2.setVertex2(newRoom.back());
+    if(l2.contains(l.getVertex2())) return false;
   }
   
   for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
-    if(room->intersects(l))
+    if((*room)->isOfType("Room") && ((Room*)&**room)->intersects(l))
       return false;
   }
   
@@ -32,20 +30,24 @@ bool EditManager::lineOk(const Line& l) const {
 EditManager::EditManager(Window *window) {
   this->window = window;
   
-  activeRoom = NULL;
+  selectedObject = NULL;
   mode = VIEW;
   
-  hoveredRoom = NULL;
+  hoveredObject = NULL;
   
   hasHoveredVertex = false;
 }
 
+void EditManager::update() {
+  window->update();
+}
+
 void EditManager::addRoom() {
   if(mode == VIEW) {
     newRoom = Room();
     mode = ADD;
     
-    activeRoom = &newRoom;
+    selectedObject = &newRoom;
     
     window->update();
   }
@@ -57,11 +59,11 @@ void EditManager::finishRoom() {
     
     if(newRoom.size() > 2 && polygonOk(newRoom)) {
       newRoom.setName(idManager.generate("room"));
-      window->getLevel().push_back(newRoom);
-      activeRoom = &window->getLevel().back();
+      window->getLevel().push_back(SharedPtr<LevelObject>(new Room(newRoom)));
+      selectedObject = &*window->getLevel().back();
     }
     else {
-      activeRoom = NULL;
+      selectedObject = NULL;
     }
     
     window->update();
@@ -86,18 +88,18 @@ void EditManager::setHoveredVertex(Vertex *v) {
     hasHoveredVertex = true;
     hoveredVertex = *v;
     
-    hoveredRoom = NULL;
+    hoveredObject = NULL;
     
-    for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
-      if(room->contains(*v)) {
-        hoveredRoom = &*room;
+    for(Level::iterator object = window->getLevel().begin(); object != window->getLevel().end(); object++) {
+      if((*object)->hit(*v)) {
+        hoveredObject = &**object;
         break;
       }
     }
   }
   else {
     hasHoveredVertex = false;
-    hoveredRoom = NULL;
+    hoveredObject = NULL;
   }
   
   window->update();
@@ -111,7 +113,7 @@ void EditManager::buttonPress(unsigned int button) {
       
       switch(mode) {
         case VIEW:
-          activeRoom = getHoveredRoom();
+          selectedObject = hoveredObject;
           break;
           
         case ADD:
@@ -127,13 +129,13 @@ bool EditManager::vertexOk(const Vertex& v) const {
   Line l;
   
   for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
-    if(room->contains(v)) return false;
+    if((*room)->isOfType("Room") && ((Room*)&**room)->contains(v)) return false;
   }
   
-  if(!(activeRoom && !activeRoom->empty()))
+  if(newRoom.empty())
     return true;
   
-  l.setVertex1(activeRoom->back());
+  l.setVertex1(newRoom.back());
   l.setVertex2(v);
   
   return lineOk(l);
@@ -144,7 +146,12 @@ bool EditManager::polygonOk(const Polygon& polygon) const {
   
   if(polygon.empty()) return false;
   
-  for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
+  for(Level::iterator object = window->getLevel().begin(); object != window->getLevel().end(); object++) {
+    if(!(*object)->isOfType("Room"))
+      continue;
+    
+    Room *room = (Room*)&**object;
+    
     if(room->empty()) continue;
     
     if(room->contains(polygon.front()))
@@ -168,7 +175,7 @@ bool EditManager::polygonOk(const Polygon& polygon) const {
     l.setVertex2(*it2);
     
     for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
-      if(room->intersects(l))
+      if((*room)->isOfType("Room") && ((Room*)&**room)->intersects(l))
         return false;
     }
   }
diff --git a/EditManager.h b/EditManager.h
index 6b52389..00729bf 100644
--- a/EditManager.h
+++ b/EditManager.h
@@ -1,6 +1,7 @@
 #ifndef EDITMANAGER_H_
 #define EDITMANAGER_H_
 
+#include "SharedPtr.h"
 #include "Room.h"
 #include "IdManager.h"
 
@@ -22,9 +23,9 @@ class EditManager {
     Window *window;
     
     Room newRoom;
-    Room *activeRoom;
+    LevelObject *selectedObject;
     
-    Room *hoveredRoom;
+    LevelObject *hoveredObject;
     
     Vertex hoveredVertex;
     bool hasHoveredVertex;
@@ -34,6 +35,8 @@ class EditManager {
   public:
     EditManager(Window *window);
     
+    void update();
+    
     void addRoom();
     void finishRoom();
     
@@ -43,12 +46,12 @@ class EditManager {
       return mode;
     }
     
-    Room* getActiveRoom() {
-      return activeRoom;
+    LevelObject* getSelectedObject() {
+      return selectedObject;
     }
     
-    Room* getHoveredRoom() {
-      return hoveredRoom;
+    LevelObject* getHoveredObject() {
+      return hoveredObject;
     }
     
     Vertex* getHoveredVertex();
diff --git a/FileManager.cpp b/FileManager.cpp
index 0025cf2..89c6d41 100644
--- a/FileManager.cpp
+++ b/FileManager.cpp
@@ -159,6 +159,27 @@ bool FileManager::writeTexCoords(xmlTextWriterPtr writer, float s, float t) {
   return true;
 }
 
+bool FileManager::writeStart(xmlTextWriterPtr writer, const Vertex3d &start) {
+  // <vertex>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"start") < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"x", "%f", start.getX()) < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"y", "%f", start.getY()) < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"z", "%f", start.getZ()) < 0)
+    return false;
+  
+  // </vertex>
+  if(xmlTextWriterEndElement(writer) < 0)
+    return false;
+  
+  return true;
+}
+
 FileManager::FileManager(Window *window) {
   this->window = window;
   
@@ -261,32 +282,10 @@ bool FileManager::write() {
     return false;
   }
   
-  // <start>
-  if(xmlTextWriterStartElement(writer, (xmlChar*)"start") < 0) {
-    xmlFreeTextWriter(writer);
-    return false;
-  }
-  
-  if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"x", (xmlChar*)"0.0") < 0) {
-    xmlFreeTextWriter(writer);
-    return false;
-  }
-  
-  if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"y", (xmlChar*)"2.0") < 0) {
-    xmlFreeTextWriter(writer);
-    return false;
-  }
-  
-  if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"z", (xmlChar*)"0.0") < 0) {
+  /*if(!writeStart(writer, window->getLevel().getPlayerStart())) {
     xmlFreeTextWriter(writer);
     return false;
-  }
-  
-  // </start>
-  if(xmlTextWriterEndElement(writer) < 0) {
-    xmlFreeTextWriter(writer);
-    return false;
-  }
+  }*/
   
   // </info>
   if(xmlTextWriterEndElement(writer) < 0) {
@@ -300,7 +299,12 @@ bool FileManager::write() {
     return false;
   }
   
-  for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
+  for(Level::iterator object = window->getLevel().begin(); object != window->getLevel().end(); object++) {
+    if(!(*object)->isOfType("Room"))
+      continue;
+    
+    Room *room = (Room*)&**object;
+    
     // <room>
     if(xmlTextWriterStartElement(writer, (xmlChar*)"room") < 0) {
       xmlFreeTextWriter(writer);
diff --git a/FileManager.h b/FileManager.h
index 2309190..93c9ec2 100644
--- a/FileManager.h
+++ b/FileManager.h
@@ -4,6 +4,7 @@
 #include <gtk/gtk.h>
 #include <libxml/xmlwriter.h>
 #include "Triangle.h"
+#include "Vertex3d.h"
 
 
 class Window;
@@ -25,6 +26,7 @@ class FileManager
     bool writeSide(xmlTextWriterPtr writer, const Vertex &v1, const Vertex &v2, float height);
     bool writeVertex(xmlTextWriterPtr writer, float x, float y, float z);
     bool writeTexCoords(xmlTextWriterPtr writer, float s, float t);
+    bool writeStart(xmlTextWriterPtr writer, const Vertex3d &start);
     
   public:
     FileManager(Window *window);
diff --git a/Level.h b/Level.h
index 2c135ef..74e835d 100644
--- a/Level.h
+++ b/Level.h
@@ -2,10 +2,16 @@
 #define LEVEL_H_
 
 
-#include "Room.h"
+#include "LevelObject.h"
+#include "SharedPtr.h"
+#include "PlayerStart.h"
 #include <vector>
 
-class Level : public std::vector<Room> {
+class Level : public std::vector<SharedPtr<LevelObject> > {
+  public:
+    Level() {
+      push_back(SharedPtr<LevelObject>(new PlayerStart()));
+    }
 };
 
 #endif /*LEVEL_H_*/
diff --git a/LevelObject.h b/LevelObject.h
new file mode 100644
index 0000000..6ab93a4
--- /dev/null
+++ b/LevelObject.h
@@ -0,0 +1,20 @@
+#ifndef LEVELOBJECT_H_
+#define LEVELOBJECT_H_
+
+#include "Vertex.h"
+#include <cstring>
+
+
+class LevelObject {
+  public:
+    virtual ~LevelObject() {}
+    
+    virtual const char* getType() const = 0;
+    virtual bool hit(const Vertex &v) const = 0;
+    
+    bool isOfType(const char *type) const {
+      return (std::strcmp(getType(), type) == 0);
+    }
+};
+
+#endif /*LEVELOBJECT_H_*/
diff --git a/Makefile.am b/Makefile.am
index aeb0122..adfd9d4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,9 +1,9 @@
 bin_PROGRAMS  	     = zoomedit
 zoomedit_SOURCES     = zoomedit.cpp UIManager.cpp Renderer.cpp Vertex.cpp \
-                       Line.cpp Polygon.cpp Rectangle.cpp Room.cpp Triangle.cpp \
+                       Line.cpp Polygon.cpp Rectangle.cpp Triangle.cpp \
                        IdManager.cpp WindowManager.cpp SidebarManager.cpp \
                        Window.cpp SidebarView.cpp SidebarAdd.cpp Drawer.cpp \
                        EditManager.cpp FileManager.cpp SidebarToolbox.cpp \
-                       ToolSelector.cpp ToolAddPolygon.cpp
+                       ToolSelector.cpp ToolAddPolygon.cpp Vertex3d.cpp
 zoomedit_CPPFLAGS    = @GTK_CFLAGS@ @GTKGLEXT_CFLAGS@ @libxml2_CFLAGS@
 zoomedit_LDADD       = @GTK_LIBS@ @GTKGLEXT_LIBS@ @libxml2_LIBS@
\ No newline at end of file
diff --git a/Makefile.in b/Makefile.in
index 35421b0..619fa70 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -52,15 +52,15 @@ am_zoomedit_OBJECTS = zoomedit-zoomedit.$(OBJEXT) \
 	zoomedit-UIManager.$(OBJEXT) zoomedit-Renderer.$(OBJEXT) \
 	zoomedit-Vertex.$(OBJEXT) zoomedit-Line.$(OBJEXT) \
 	zoomedit-Polygon.$(OBJEXT) zoomedit-Rectangle.$(OBJEXT) \
-	zoomedit-Room.$(OBJEXT) zoomedit-Triangle.$(OBJEXT) \
-	zoomedit-IdManager.$(OBJEXT) zoomedit-WindowManager.$(OBJEXT) \
+	zoomedit-Triangle.$(OBJEXT) zoomedit-IdManager.$(OBJEXT) \
+	zoomedit-WindowManager.$(OBJEXT) \
 	zoomedit-SidebarManager.$(OBJEXT) zoomedit-Window.$(OBJEXT) \
 	zoomedit-SidebarView.$(OBJEXT) zoomedit-SidebarAdd.$(OBJEXT) \
 	zoomedit-Drawer.$(OBJEXT) zoomedit-EditManager.$(OBJEXT) \
 	zoomedit-FileManager.$(OBJEXT) \
 	zoomedit-SidebarToolbox.$(OBJEXT) \
 	zoomedit-ToolSelector.$(OBJEXT) \
-	zoomedit-ToolAddPolygon.$(OBJEXT)
+	zoomedit-ToolAddPolygon.$(OBJEXT) zoomedit-Vertex3d.$(OBJEXT)
 zoomedit_OBJECTS = $(am_zoomedit_OBJECTS)
 zoomedit_DEPENDENCIES =
 DEFAULT_INCLUDES = -I.@am__isrc@
@@ -183,11 +183,11 @@ target_alias = @target_alias@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 zoomedit_SOURCES = zoomedit.cpp UIManager.cpp Renderer.cpp Vertex.cpp \
-                       Line.cpp Polygon.cpp Rectangle.cpp Room.cpp Triangle.cpp \
+                       Line.cpp Polygon.cpp Rectangle.cpp Triangle.cpp \
                        IdManager.cpp WindowManager.cpp SidebarManager.cpp \
                        Window.cpp SidebarView.cpp SidebarAdd.cpp Drawer.cpp \
                        EditManager.cpp FileManager.cpp SidebarToolbox.cpp \
-                       ToolSelector.cpp ToolAddPolygon.cpp
+                       ToolSelector.cpp ToolAddPolygon.cpp Vertex3d.cpp
 
 zoomedit_CPPFLAGS = @GTK_CFLAGS@ @GTKGLEXT_CFLAGS@ @libxml2_CFLAGS@
 zoomedit_LDADD = @GTK_LIBS@ @GTKGLEXT_LIBS@ @libxml2_LIBS@
@@ -287,7 +287,6 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Polygon.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Rectangle.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Renderer.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Room.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-SidebarAdd.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-SidebarManager.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-SidebarToolbox.Po@am__quote@
@@ -297,6 +296,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Triangle.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-UIManager.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Vertex.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Vertex3d.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Window.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-WindowManager.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-zoomedit.Po@am__quote@
@@ -413,20 +413,6 @@ zoomedit-Rectangle.obj: Rectangle.cpp
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Rectangle.obj `if test -f 'Rectangle.cpp'; then $(CYGPATH_W) 'Rectangle.cpp'; else $(CYGPATH_W) '$(srcdir)/Rectangle.cpp'; fi`
 
-zoomedit-Room.o: Room.cpp
-@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Room.o -MD -MP -MF $(DEPDIR)/zoomedit-Room.Tpo -c -o zoomedit-Room.o `test -f 'Room.cpp' || echo '$(srcdir)/'`Room.cpp
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Room.Tpo $(DEPDIR)/zoomedit-Room.Po
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Room.cpp' object='zoomedit-Room.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Room.o `test -f 'Room.cpp' || echo '$(srcdir)/'`Room.cpp
-
-zoomedit-Room.obj: Room.cpp
-@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Room.obj -MD -MP -MF $(DEPDIR)/zoomedit-Room.Tpo -c -o zoomedit-Room.obj `if test -f 'Room.cpp'; then $(CYGPATH_W) 'Room.cpp'; else $(CYGPATH_W) '$(srcdir)/Room.cpp'; fi`
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Room.Tpo $(DEPDIR)/zoomedit-Room.Po
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Room.cpp' object='zoomedit-Room.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Room.obj `if test -f 'Room.cpp'; then $(CYGPATH_W) 'Room.cpp'; else $(CYGPATH_W) '$(srcdir)/Room.cpp'; fi`
-
 zoomedit-Triangle.o: Triangle.cpp
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Triangle.o -MD -MP -MF $(DEPDIR)/zoomedit-Triangle.Tpo -c -o zoomedit-Triangle.o `test -f 'Triangle.cpp' || echo '$(srcdir)/'`Triangle.cpp
 @am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Triangle.Tpo $(DEPDIR)/zoomedit-Triangle.Po
@@ -609,6 +595,20 @@ zoomedit-ToolAddPolygon.obj: ToolAddPolygon.cpp
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-ToolAddPolygon.obj `if test -f 'ToolAddPolygon.cpp'; then $(CYGPATH_W) 'ToolAddPolygon.cpp'; else $(CYGPATH_W) '$(srcdir)/ToolAddPolygon.cpp'; fi`
 
+zoomedit-Vertex3d.o: Vertex3d.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Vertex3d.o -MD -MP -MF $(DEPDIR)/zoomedit-Vertex3d.Tpo -c -o zoomedit-Vertex3d.o `test -f 'Vertex3d.cpp' || echo '$(srcdir)/'`Vertex3d.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Vertex3d.Tpo $(DEPDIR)/zoomedit-Vertex3d.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Vertex3d.cpp' object='zoomedit-Vertex3d.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Vertex3d.o `test -f 'Vertex3d.cpp' || echo '$(srcdir)/'`Vertex3d.cpp
+
+zoomedit-Vertex3d.obj: Vertex3d.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Vertex3d.obj -MD -MP -MF $(DEPDIR)/zoomedit-Vertex3d.Tpo -c -o zoomedit-Vertex3d.obj `if test -f 'Vertex3d.cpp'; then $(CYGPATH_W) 'Vertex3d.cpp'; else $(CYGPATH_W) '$(srcdir)/Vertex3d.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Vertex3d.Tpo $(DEPDIR)/zoomedit-Vertex3d.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Vertex3d.cpp' object='zoomedit-Vertex3d.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Vertex3d.obj `if test -f 'Vertex3d.cpp'; then $(CYGPATH_W) 'Vertex3d.cpp'; else $(CYGPATH_W) '$(srcdir)/Vertex3d.cpp'; fi`
+
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
diff --git a/PlayerStart.h b/PlayerStart.h
new file mode 100644
index 0000000..003583d
--- /dev/null
+++ b/PlayerStart.h
@@ -0,0 +1,19 @@
+#ifndef PLAYERSTART_H_
+#define PLAYERSTART_H_
+
+#include "LevelObject.h"
+#include "Vertex3d.h"
+
+
+class PlayerStart : public Vertex3d, public LevelObject {
+  public:
+    virtual bool hit(const Vertex &v) const {
+      return (v.distanceSq(Vertex(getX(), getZ())) < 0.09);
+    }
+    
+    virtual const char* getType() const {
+      return "PlayerStart";
+    }
+};
+
+#endif /*PLAYERSTART_H_*/
diff --git a/Renderer.cpp b/Renderer.cpp
index 9365589..1463d21 100644
--- a/Renderer.cpp
+++ b/Renderer.cpp
@@ -1,4 +1,5 @@
 #include "Renderer.h"
+#include "PlayerStart.h"
 #include <GL/gl.h>
 
 
@@ -77,70 +78,111 @@ void Renderer::fillPolygon(const Polygon &polygon) {
 }
 
 void Renderer::drawPolygon(const Polygon &polygon, bool close) {
-  glBegin(GL_LINE_STRIP);
+  glBegin(close ? GL_LINE_LOOP : GL_LINE_STRIP);
   
   for(Polygon::const_iterator vertex = polygon.begin(); vertex != polygon.end(); vertex++)
-    glVertex2d(vertex->getX(), vertex->getY());
+    glVertex2f(vertex->getX(), vertex->getY());
   
-  if(close)
-    glVertex2d(polygon.front().getX(), polygon.front().getY());
+  glEnd();
+}
+
+void Renderer::drawCircle(const Vertex &m, float r, int n) {
+  glBegin(GL_LINE_LOOP);
+  
+  for(int i = 0; i < n; i++)
+    glVertex2f(m.getX()+r*cosf(2*M_PI*i/n), m.getY()+r*sinf(2*M_PI*i/n));
+  
+  glEnd();
+}
+
+void Renderer::drawCross(const Vertex &m, float r) {
+  glBegin(GL_LINES);
+  
+  glVertex2f(m.getX()-r*M_SQRT1_2, m.getY()-r*M_SQRT1_2);
+  glVertex2f(m.getX()+r*M_SQRT1_2, m.getY()+r*M_SQRT1_2);
+  
+  glVertex2f(m.getX()+r*M_SQRT1_2, m.getY()-r*M_SQRT1_2);
+  glVertex2f(m.getX()-r*M_SQRT1_2, m.getY()+r*M_SQRT1_2);
   
   glEnd();
 }
 
+void Renderer::renderObject(const LevelObject &object, bool selected, bool hovered, float scale) {
+  if(object.isOfType("Room"))
+    renderRoom(*(Room*)&object, selected, hovered, scale);
+  else if(object.isOfType("PlayerStart"))
+    renderPlayerStart(*(PlayerStart*)&object, selected, hovered, scale);
+}
+
+void Renderer::renderRoom(const Room &room, bool selected, bool hovered, float scale) {
+  if(selected)
+    glColor4f(0.0f, 0.7f, 1.0f, 0.2f);
+  else
+    glColor4f(0.0f, 0.7f, 1.0f, 0.3f);
+  
+  fillPolygon(room);
+  
+  if(selected) {
+    glColor4f(1.0f, 1.0f, 1.0f, 0.9f);
+    glLineWidth(2.0f);
+  }
+  else if(hovered && editManager->getMode() == EditManager::VIEW) {
+    glColor4f(0.0f, 0.7f, 1.0f, 0.7f);
+    glLineWidth(2.0f);
+  }
+  else {
+    glColor4f(0.0f, 0.7f, 1.0f, 0.7f);
+    glLineWidth(1.0f);
+  }
+  
+  drawPolygon(room);
+}
+
+void Renderer::renderPlayerStart(const PlayerStart &start, bool selected, bool hovered, float scale) {
+  glLineWidth(1.0f);
+  glColor4f(0.0f, 0.7f, 0.7f, 0.7f);
+  drawCircle(Vertex(start.getX(), start.getZ()), 0.3f, 128);
+  
+  glLineWidth(2.0f);
+  glColor4f(1.0f, 1.0f, 1.0f, 0.7f);
+  drawCross(Vertex(start.getX(), start.getZ()), 0.5f/sqrtf(scale));
+}
+
 void Renderer::render(const Level &level, const Rectangle &rect, float scale) {
   glClear(GL_COLOR_BUFFER_BIT);
   
   glLineWidth(1.0f);
+  glPointSize(10.0f);
   
   drawGrid(rect, scale);
   
-  for(Level::const_iterator room = level.begin(); room != level.end(); room++) {
-    if(&*room == editManager->getActiveRoom() && editManager->getMode() == EditManager::ADD) continue;
-    
-    if(&*room == editManager->getActiveRoom())
-      glColor4f(0.0f, 0.7f, 1.0f, 0.2f);
-    else
-      glColor4f(0.0f, 0.7f, 1.0f, 0.3f);
-    
-    fillPolygon(*room);
-    
-    if(&*room == editManager->getActiveRoom()) {
-      glColor4f(1.0f, 1.0f, 1.0f, 0.9f);
-      glLineWidth(2.0f);
-    }
-    else if(&*room == editManager->getHoveredRoom() && editManager->getMode() == EditManager::VIEW) {
-      glColor4f(0.0f, 0.7f, 1.0f, 0.7f);
-      glLineWidth(2.0f);
-    }
-    else {
-      glColor4f(0.0f, 0.7f, 1.0f, 0.7f);
-      glLineWidth(1.0f);
-    }
-    
-    drawPolygon(*room, true);
+  for(Level::const_iterator object = level.begin(); object != level.end(); object++) {
+    renderObject(**object, (&**object == editManager->getSelectedObject()),
+        (&**object == editManager->getHoveredObject()), scale);
   }
   
   if(editManager->getMode() == EditManager::ADD) {
-    if(editManager->polygonOk(*editManager->getActiveRoom()))
+    Room *activeRoom = (Room*)editManager->getSelectedObject();
+    
+    if(editManager->polygonOk(*activeRoom))
       glColor4f(0.0f, 0.7f, 1.0f, 0.2f);
     else
       glColor4f(1.0f, 0.3f, 0.3f, 0.2f);
     
-    fillPolygon(*editManager->getActiveRoom());
+    fillPolygon(*activeRoom);
     
     glLineWidth(2.0f);
     glColor4f(0.0f, 0.7f, 1.0f, 0.7f);
-    drawPolygon(*editManager->getActiveRoom(), false);
+    drawPolygon(*activeRoom, false);
     
-    if(!editManager->getActiveRoom()->empty() && editManager->getHoveredVertex()) {
+    if(!activeRoom->empty() && editManager->getHoveredVertex()) {
       if(!editManager->vertexOk(*editManager->getHoveredVertex()))
         glColor4f(1.0f, 0.3f, 0.3f, 0.7f);
       
       glBegin(GL_LINES);
       
-      glVertex2d(editManager->getActiveRoom()->back().getX(), editManager->getActiveRoom()->back().getY());
-      glVertex2d(editManager->getHoveredVertex()->getX(), editManager->getHoveredVertex()->getY());
+      glVertex2f(activeRoom->back().getX(), activeRoom->back().getY());
+      glVertex2f(editManager->getHoveredVertex()->getX(), editManager->getHoveredVertex()->getY());
       
       glEnd();
     }
diff --git a/Renderer.h b/Renderer.h
index db8a927..4c29b0f 100644
--- a/Renderer.h
+++ b/Renderer.h
@@ -5,6 +5,8 @@
 #include "Polygon.h"
 #include "EditManager.h"
 #include "Level.h"
+#include "Room.h"
+#include "PlayerStart.h"
 
 
 class Renderer {
@@ -13,7 +15,14 @@ class Renderer {
     
     void drawGrid(const Rectangle &rect, float scale);
     void fillPolygon(const Polygon &polygon);
-    void drawPolygon(const Polygon &polygon, bool close);
+    void drawPolygon(const Polygon &polygon, bool close = true);
+    void drawCircle(const Vertex &m, float r, int n);
+    void drawCross(const Vertex &m, float r);
+    
+    void renderObject(const LevelObject &object, bool selected, bool hovered, float scale);
+    
+    void renderRoom(const Room &room, bool selected, bool hovered, float scale);
+    void renderPlayerStart(const PlayerStart &start, bool selected, bool hovered, float scale);
     
   public:
     Renderer(EditManager *editManager) {
diff --git a/Room.cpp b/Room.cpp
deleted file mode 100644
index 806b1a9..0000000
--- a/Room.cpp
+++ /dev/null
@@ -1,3 +0,0 @@
-#include "Room.h"
-
-
diff --git a/Room.h b/Room.h
index cb6ba27..2b05050 100644
--- a/Room.h
+++ b/Room.h
@@ -2,10 +2,11 @@
 #define ROOM_H_
 
 #include "Polygon.h"
+#include "LevelObject.h"
 #include <string>
 
 
-class Room : public Polygon {
+class Room : public Polygon, public LevelObject {
   private:
     std::string name;
     float height;
@@ -14,13 +15,18 @@ class Room : public Polygon {
     Room() {height = 10;}
     Room(std::string name) {this->name = name; height = 10;}
     
-    
     std::string &getName() {return name;}
     const std::string &getName() const {return name;}
     void setName(const std::string &name) {this->name = name;}
     
     float getHeight() const {return height;}
     void setHeight(float height) {this->height = height;}
+    
+    virtual bool hit(const Vertex &v) const {return contains(v);}
+    
+    virtual const char* getType() const {
+      return "Room";
+    }
 };
 
 #endif /*ROOM_H_*/
diff --git a/SharedPtr.h b/SharedPtr.h
new file mode 100644
index 0000000..1b5d2bc
--- /dev/null
+++ b/SharedPtr.h
@@ -0,0 +1,46 @@
+#ifndef SHAREDPTR_H_
+#define SHAREDPTR_H_
+
+template <class T>
+class SharedPtr {
+  private:
+    class Counter {
+      public:
+        Counter(T *o) : object(o), refCount(1) {}
+        ~Counter() {delete object;}
+        
+        T *object;
+        unsigned int refCount;
+    };
+    
+    Counter *counter;
+    
+  public:
+    SharedPtr(T *o) : counter(new Counter(o)) {}
+    
+    SharedPtr(const SharedPtr<T> &c) : counter(c.counter) {
+      counter->refCount++;
+    }
+    
+    virtual ~SharedPtr() {
+      if(--counter->refCount == 0)
+        delete counter;
+    }
+    
+    SharedPtr<T>& operator=(const SharedPtr<T>& c) {
+      c.counter->refCount++;
+      if(--counter->refCount == 0)
+        delete counter;
+      
+      counter = c.counter;
+      return *this;
+    }
+    
+    T* operator->() {return counter->object;}
+    T& operator*() {return *counter->object;}
+    
+    const T* operator->() const {return counter->object;}
+    const T& operator*() const {return *counter->object;}
+};
+
+#endif /*SHAREDPTR_H_*/
diff --git a/SidebarView.cpp b/SidebarView.cpp
index 8e58967..cdf4a2e 100644
--- a/SidebarView.cpp
+++ b/SidebarView.cpp
@@ -1,11 +1,25 @@
 #include "SidebarView.h"
+#include "PlayerStart.h"
 
 
-void SidebarView::spinButtonHeightChanged(GtkSpinButton *spinbutton, SidebarView *view) {
-  if(!view->editor->getActiveRoom())
+void SidebarView::spinButtonChanged(GtkWidget *spinbutton, SidebarView *view) {
+  if(!view->editor->getSelectedObject())
     return;
   
-  view->editor->getActiveRoom()->setHeight(gtk_spin_button_get_value(spinbutton));
+  if(view->editor->getSelectedObject()->isOfType("Room")) {
+    if(spinbutton == view->spinButtonHeight)
+      ((Room*)view->editor->getSelectedObject())->setHeight(gtk_spin_button_get_value(GTK_SPIN_BUTTON(spinbutton)));
+  }
+  else if(view->editor->getSelectedObject()->isOfType("PlayerStart")) {
+    if(spinbutton == view->spinButtonX)
+      ((PlayerStart*)view->editor->getSelectedObject())->setX(gtk_spin_button_get_value(GTK_SPIN_BUTTON(spinbutton)));
+    else if(spinbutton == view->spinButtonY)
+      ((PlayerStart*)view->editor->getSelectedObject())->setY(gtk_spin_button_get_value(GTK_SPIN_BUTTON(spinbutton)));
+    else if(spinbutton == view->spinButtonZ)
+      ((PlayerStart*)view->editor->getSelectedObject())->setZ(gtk_spin_button_get_value(GTK_SPIN_BUTTON(spinbutton)));
+  }
+  
+  view->editor->update();
 }
 
 SidebarView::SidebarView(EditManager *editor) {
@@ -14,54 +28,114 @@ SidebarView::SidebarView(EditManager *editor) {
   sidebar = gtk_vbox_new(FALSE, 0);
   g_object_ref_sink(G_OBJECT(sidebar));
   
-  GtkWidget *labelRoomInfo = gtk_label_new(NULL);
-  gtk_label_set_markup(GTK_LABEL(labelRoomInfo), "<b>Room info:</b>");
-  gtk_misc_set_alignment(GTK_MISC(labelRoomInfo), 0.0, 0.5);
-  gtk_box_pack_start(GTK_BOX(sidebar), labelRoomInfo, FALSE, FALSE, 5);
+  labelType = gtk_label_new(NULL);
+  gtk_misc_set_alignment(GTK_MISC(labelType), 0.0, 0.5);
+  gtk_box_pack_start(GTK_BOX(sidebar), labelType, FALSE, FALSE, 5);
   
   gtk_box_pack_start(GTK_BOX(sidebar), gtk_hseparator_new(), FALSE, FALSE, 5);
   
-  GtkWidget *labelName = gtk_label_new("Name: ");
+  labelName = gtk_label_new("Name: ");
   gtk_misc_set_alignment(GTK_MISC(labelName), 0.0, 0.5);
+  gtk_widget_set_no_show_all(labelName, TRUE);
   gtk_box_pack_start(GTK_BOX(sidebar), labelName, FALSE, FALSE, 0);
   
   entryName = gtk_entry_new();
   gtk_widget_set_size_request(entryName, 0, -1);
   //g_signal_connect(G_OBJECT(entryName), "focus-out-event", G_CALLBACK(sidebarNameFocusOutEvent), NULL);
   //gtk_widget_add_events(entryName, GDK_FOCUS_CHANGE_MASK);
+  gtk_widget_set_no_show_all(entryName, TRUE);
   gtk_box_pack_start(GTK_BOX(sidebar), entryName, FALSE, FALSE, 0);
   
-  GtkWidget *tableRoomData = gtk_table_new(2, 3, FALSE);
+  tableRoomData = gtk_table_new(2, 3, FALSE);
   gtk_table_set_row_spacings(GTK_TABLE(tableRoomData), 5);
+  gtk_widget_set_no_show_all(tableRoomData, TRUE);
   gtk_box_pack_start(GTK_BOX(sidebar), tableRoomData, FALSE, FALSE, 5);
   
   GtkWidget *labelAreaLabel = gtk_label_new("Room area: ");
   gtk_misc_set_alignment(GTK_MISC(labelAreaLabel), 0.0, 0.5);
+  gtk_widget_show(labelAreaLabel);
   gtk_table_attach(GTK_TABLE(tableRoomData), labelAreaLabel, 0, 1, 0, 1, GTK_FILL, GTK_FILL, 0, 0);
   
   labelArea = gtk_label_new(NULL);
   gtk_misc_set_alignment(GTK_MISC(labelArea), 1.0, 0.5);
+  gtk_widget_show(labelArea);
   gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelArea, 1, 2, 0, 1);
   
   GtkWidget *labelPerimeterLabel = gtk_label_new("Room perimeter: ");
   gtk_misc_set_alignment(GTK_MISC(labelPerimeterLabel), 0.0, 0.5);
+  gtk_widget_show(labelPerimeterLabel);
   gtk_table_attach(GTK_TABLE(tableRoomData), labelPerimeterLabel, 0, 1, 1, 2, GTK_FILL, GTK_FILL, 0, 0);
   
   labelPerimeter = gtk_label_new(NULL);
   gtk_misc_set_alignment(GTK_MISC(labelPerimeter), 1.0, 0.5);
+  gtk_widget_show(labelPerimeter);
   gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelPerimeter, 1, 2, 1, 2);
   
   GtkWidget *labelHeight = gtk_label_new("Height: ");
   gtk_misc_set_alignment(GTK_MISC(labelHeight), 0.0, 0.5);
+  gtk_widget_show(labelHeight);
   gtk_table_attach(GTK_TABLE(tableRoomData), labelHeight, 0, 1, 2, 3, GTK_FILL, GTK_FILL, 0, 0);
   
   spinButtonHeight = gtk_spin_button_new_with_range(0, 10000, 0.1f);
   gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinButtonHeight), 2);
   gtk_entry_set_alignment(GTK_ENTRY(spinButtonHeight), 1.0);
+  gtk_widget_show(spinButtonHeight);
   gtk_table_attach(GTK_TABLE(tableRoomData), spinButtonHeight, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND|GTK_SHRINK|GTK_FILL),
       (GtkAttachOptions)(GTK_EXPAND|GTK_FILL), 0, 0);
   gtk_widget_set_size_request(spinButtonHeight, 0, -1);
-  g_signal_connect(G_OBJECT(spinButtonHeight), "value-changed", G_CALLBACK(spinButtonHeightChanged), this);
+  g_signal_connect(G_OBJECT(spinButtonHeight), "value-changed", G_CALLBACK(spinButtonChanged), this);
+  
+  tablePlayerStart = gtk_table_new(2, 4, FALSE);
+  gtk_table_set_row_spacings(GTK_TABLE(tablePlayerStart), 5);
+  gtk_widget_set_no_show_all(tablePlayerStart, TRUE);
+  gtk_box_pack_start(GTK_BOX(sidebar), tablePlayerStart, FALSE, FALSE, 5);
+  
+  GtkWidget *labelCoordinates = gtk_label_new("Coordinates:");
+  gtk_misc_set_alignment(GTK_MISC(labelCoordinates), 0.0, 0.5);
+  gtk_widget_show(labelCoordinates);
+  gtk_table_attach(GTK_TABLE(tablePlayerStart), labelCoordinates, 0, 2, 0, 1, GTK_FILL, GTK_FILL, 0, 0);
+  
+  GtkWidget *labelX = gtk_label_new("X: ");
+  gtk_misc_set_alignment(GTK_MISC(labelX), 0.0, 0.5);
+  gtk_widget_show(labelX);
+  gtk_table_attach(GTK_TABLE(tablePlayerStart), labelX, 0, 1, 1, 2, GTK_FILL, GTK_FILL, 0, 0);
+  
+  spinButtonX = gtk_spin_button_new_with_range(-10000, 10000, 0.1f);
+  gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinButtonX), 2);
+  gtk_entry_set_alignment(GTK_ENTRY(spinButtonX), 1.0);
+  gtk_widget_show(spinButtonX);
+  gtk_table_attach(GTK_TABLE(tablePlayerStart), spinButtonX, 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND|GTK_SHRINK|GTK_FILL),
+      (GtkAttachOptions)(GTK_EXPAND|GTK_FILL), 0, 0);
+  gtk_widget_set_size_request(spinButtonX, 0, -1);
+  g_signal_connect(G_OBJECT(spinButtonX), "value-changed", G_CALLBACK(spinButtonChanged), this);
+  
+  GtkWidget *labelY = gtk_label_new("Y: ");
+  gtk_misc_set_alignment(GTK_MISC(labelY), 0.0, 0.5);
+  gtk_widget_show(labelY);
+  gtk_table_attach(GTK_TABLE(tablePlayerStart), labelY, 0, 1, 2, 3, GTK_FILL, GTK_FILL, 0, 0);
+  
+  spinButtonY = gtk_spin_button_new_with_range(-10000, 10000, 0.1f);
+  gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinButtonY), 2);
+  gtk_entry_set_alignment(GTK_ENTRY(spinButtonY), 1.0);
+  gtk_widget_show(spinButtonY);
+  gtk_table_attach(GTK_TABLE(tablePlayerStart), spinButtonY, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND|GTK_SHRINK|GTK_FILL),
+      (GtkAttachOptions)(GTK_EXPAND|GTK_FILL), 0, 0);
+  gtk_widget_set_size_request(spinButtonY, 0, -1);
+  g_signal_connect(G_OBJECT(spinButtonY), "value-changed", G_CALLBACK(spinButtonChanged), this);
+  
+  GtkWidget *labelZ = gtk_label_new("Z: ");
+  gtk_misc_set_alignment(GTK_MISC(labelZ), 0.0, 0.5);
+  gtk_widget_show(labelZ);
+  gtk_table_attach(GTK_TABLE(tablePlayerStart), labelZ, 0, 1, 3, 4, GTK_FILL, GTK_FILL, 0, 0);
+  
+  spinButtonZ = gtk_spin_button_new_with_range(-10000, 10000, 0.1f);
+  gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinButtonZ), 2);
+  gtk_entry_set_alignment(GTK_ENTRY(spinButtonZ), 1.0);
+  gtk_widget_show(spinButtonZ);
+  gtk_table_attach(GTK_TABLE(tablePlayerStart), spinButtonZ, 1, 2, 3, 4, (GtkAttachOptions)(GTK_EXPAND|GTK_SHRINK|GTK_FILL),
+      (GtkAttachOptions)(GTK_EXPAND|GTK_FILL), 0, 0);
+  gtk_widget_set_size_request(spinButtonZ, 0, -1);
+  g_signal_connect(G_OBJECT(spinButtonZ), "value-changed", G_CALLBACK(spinButtonChanged), this);
   
   gtk_widget_show_all(sidebar);
 }
@@ -75,29 +149,47 @@ GtkWidget* SidebarView::getWidget() {
 }
   
 void SidebarView::update() {
-  if(editor->getActiveRoom()) {
-    gtk_entry_set_text(GTK_ENTRY(entryName), editor->getActiveRoom()->getName().c_str());
-    gtk_widget_set_sensitive(entryName, TRUE);
-    
-    gchar *string = g_strdup_printf("%.2f", editor->getActiveRoom()->area());
-    gtk_label_set_text(GTK_LABEL(labelArea), string);
-    g_free(string);
-    
-    string = g_strdup_printf("%.2f", editor->getActiveRoom()->perimeter());
-    gtk_label_set_text(GTK_LABEL(labelPerimeter), string);
-    g_free(string);
-    
-    gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinButtonHeight), editor->getActiveRoom()->getHeight());
-    gtk_widget_set_sensitive(spinButtonHeight, TRUE);
+  gtk_widget_hide(labelName);
+  gtk_widget_hide(entryName);
+  gtk_widget_hide(tableRoomData);
+  gtk_widget_hide(tablePlayerStart);
+  
+  if(editor->getSelectedObject()) {
+    if(editor->getSelectedObject()->isOfType("Room")) {
+      Room *room = (Room*)editor->getSelectedObject();
+      
+      gtk_label_set_markup(GTK_LABEL(labelType), "<b>Room info:</b>");
+      
+      gtk_widget_show(labelName);
+      
+      gtk_entry_set_text(GTK_ENTRY(entryName), room->getName().c_str());
+      gtk_widget_show(entryName);
+      
+      gchar *string = g_strdup_printf("%.2f", room->area());
+      gtk_label_set_text(GTK_LABEL(labelArea), string);
+      g_free(string);
+      
+      string = g_strdup_printf("%.2f", room->perimeter());
+      gtk_label_set_text(GTK_LABEL(labelPerimeter), string);
+      g_free(string);
+      
+      gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinButtonHeight), room->getHeight());
+      
+      gtk_widget_show(tableRoomData);
+    }
+    else if(editor->getSelectedObject()->isOfType("PlayerStart")) {
+      PlayerStart *playerStart = (PlayerStart*)editor->getSelectedObject();
+      
+      gtk_label_set_markup(GTK_LABEL(labelType), "<b>Player start:</b>");
+      
+      gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinButtonX), playerStart->getX());
+      gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinButtonY), playerStart->getY());
+      gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinButtonZ), playerStart->getZ());
+      
+      gtk_widget_show(tablePlayerStart);
+    }
   }
   else {
-    gtk_entry_set_text(GTK_ENTRY(entryName), "");
-    gtk_widget_set_sensitive(entryName, FALSE);
-    
-    gtk_label_set_text(GTK_LABEL(labelArea), NULL);
-    gtk_label_set_text(GTK_LABEL(labelPerimeter), NULL);
-    
-    gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinButtonHeight), 0.0);
-    gtk_widget_set_sensitive(spinButtonHeight, FALSE);
+    gtk_label_set_markup(GTK_LABEL(labelType), "<b>[Nothing selected]</b>");
   }
 }
diff --git a/SidebarView.h b/SidebarView.h
index c0249fa..01cdcb9 100644
--- a/SidebarView.h
+++ b/SidebarView.h
@@ -8,7 +8,9 @@
 class SidebarView : public Sidebar {
   private:
     GtkWidget *sidebar;
-    GtkWidget *entryName, *labelArea, *labelPerimeter, *spinButtonHeight;
+    GtkWidget *labelType, *labelName, *entryName;
+    GtkWidget *tableRoomData, *labelArea, *labelPerimeter, *spinButtonHeight;
+    GtkWidget *tablePlayerStart, *spinButtonX, *spinButtonY, *spinButtonZ;
     
     EditManager *editor;
     
@@ -16,7 +18,7 @@ class SidebarView : public Sidebar {
     SidebarView(const SidebarView &w);
     const SidebarView& operator=(const SidebarView &w);
     
-    static void spinButtonHeightChanged(GtkSpinButton *spinbutton, SidebarView *view);
+    static void spinButtonChanged(GtkWidget *spinbutton, SidebarView *view);
     
   public:
     SidebarView(EditManager *editor);
diff --git a/Vertex.h b/Vertex.h
index 2f3fcff..c367bb2 100644
--- a/Vertex.h
+++ b/Vertex.h
@@ -4,9 +4,9 @@
 class Vertex {
   private:
     float x, y;
+    
   public:
     Vertex() {x = y = 0.0;}
-    Vertex(const Vertex &v) {x = v.x; y = v.y;}
     Vertex(float x, float y) {this->x = x; this->y = y;}
     
     float getX() const {return x;}
@@ -15,7 +15,6 @@ class Vertex {
     float getY() const {return y;}
     void setY(float y) {this->y = y;}
     
-    void setLocation(const Vertex &v) {x = v.x; y = v.y;}
     void setLocation(float x, float y) {this->x = x; this->y = y;}
     
     float distanceSq(const Vertex &v) const;
diff --git a/Vertex3d.cpp b/Vertex3d.cpp
new file mode 100644
index 0000000..16c0e27
--- /dev/null
+++ b/Vertex3d.cpp
@@ -0,0 +1,35 @@
+#include "Vertex3d.h"
+#include <math.h>
+
+float Vertex3d::distanceSq(const Vertex3d &v) const {
+  return (x - v.x)*(x - v.x) + (y - v.y)*(y - v.y) + (z - v.z)*(z - v.z);
+}
+
+float Vertex3d::distance(const Vertex3d &v) const {
+  return sqrtf(distanceSq(v));
+}
+
+
+Vertex3d Vertex3d::operator+(const Vertex3d &v) const {
+  return Vertex3d(x + v.x, y + v.y, z + v.z);
+}
+
+Vertex3d Vertex3d::operator-(const Vertex3d &v) const {
+  return Vertex3d(x - v.x, y - v.y, z - v.z);
+}
+
+Vertex3d& Vertex3d::operator+=(const Vertex3d &v) {
+  x += v.x;
+  y += v.y;
+  z += v.z;
+  
+  return *this;
+}
+
+Vertex3d& Vertex3d::operator-=(const Vertex3d &v) {
+  x -= v.x;
+  y -= v.y;
+  z -= v.z;
+  
+  return *this;
+}
diff --git a/Vertex3d.h b/Vertex3d.h
new file mode 100644
index 0000000..faad420
--- /dev/null
+++ b/Vertex3d.h
@@ -0,0 +1,33 @@
+#ifndef VERTEX3D_H_
+#define VERTEX3D_H_
+
+class Vertex3d {
+  private:
+    float x, y, z;
+    
+  public:
+    Vertex3d() {x = y = z = 0.0;}
+    Vertex3d(float x, float y, float z) {this->x = x; this->y = y; this->z = z;}
+    
+    float getX() const {return x;}
+    void setX(float x) {this->x = x;}
+    
+    float getY() const {return y;}
+    void setY(float y) {this->y = y;}
+    
+    float getZ() const {return z;}
+    void setZ(float z) {this->z = z;}
+    
+    void setLocation(float x, float y, float z) {this->x = x; this->y = y; this->z = z;}
+    
+    float distanceSq(const Vertex3d &v) const;
+    float distance(const Vertex3d &v) const;
+    
+    Vertex3d operator+(const Vertex3d &v) const;
+    Vertex3d operator-(const Vertex3d &v) const;
+    
+    Vertex3d& operator+=(const Vertex3d &v);
+    Vertex3d& operator-=(const Vertex3d &v);
+};
+
+#endif /*VERTEX3D_H_*/