1 files changed, 390 insertions, 0 deletions
diff --git a/FileManager.cpp b/FileManager.cpp
new file mode 100644
index 0000000..7650a2f
--- /dev/null
+++ b/FileManager.cpp
@@ -0,0 +1,390 @@
+#include "FileManager.h"
+#include "Window.h"
+
+
+bool FileManager::writeTriangle(xmlTextWriterPtr writer, const Triangle &triangle, float height) {
+  // <triangle>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"triangle") < 0)
+    return false;
+  
+  //if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"texture", (xmlChar*)"t0") < 0)
+  //  return false;
+  
+  float y = 0.0f;
+  if(triangle.getDirection() == Triangle::CW) y = height;
+  
+  if(!writeVertex(writer, triangle.getVertexA().getX(), y, triangle.getVertexA().getY()))
+    return false;
+  //if(!writeTexCoords(writer, triangle.getVertexA().getX(), triangle.getVertexA().getY()))
+  //  return false;
+  
+  if(!writeVertex(writer, triangle.getVertexB().getX(), y, triangle.getVertexB().getY()))
+    return false;
+  //if(!writeTexCoords(writer, triangle.getVertexB().getX(), triangle.getVertexB().getY()))
+  //  return false;
+  
+  if(!writeVertex(writer, triangle.getVertexC().getX(), y, triangle.getVertexC().getY()))
+    return false;
+  //if(!writeTexCoords(writer, triangle.getVertexC().getX(), triangle.getVertexC().getY()))
+  //  return false;
+  
+  // </triangle>
+  if(xmlTextWriterEndElement(writer) < 0)
+    return false;
+  
+  // <triangle>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"triangle") < 0)
+    return false;
+  
+  //if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"texture", (xmlChar*)"t0") < 0)
+  //  return false;
+  
+  y = height;
+  if(triangle.getDirection() == Triangle::CW) y = 0.0f;
+  
+  if(!writeVertex(writer, triangle.getVertexC().getX(), y, triangle.getVertexC().getY()))
+    return false;
+  //if(!writeTexCoords(writer, triangle.getVertexC().getX(), triangle.getVertexC().getY()))
+  //  return false;
+  
+  if(!writeVertex(writer, triangle.getVertexB().getX(), y, triangle.getVertexB().getY()))
+    return false;
+  //if(!writeTexCoords(writer, triangle.getVertexB().getX(), triangle.getVertexB().getY()))
+  //  return false;
+  
+  if(!writeVertex(writer, triangle.getVertexA().getX(), y, triangle.getVertexA().getY()))
+    return false;
+  //if(!writeTexCoords(writer, triangle.getVertexA().getX(), triangle.getVertexA().getY()))
+  //  return false;
+  
+  // </triangle>
+  if(xmlTextWriterEndElement(writer) < 0)
+    return false;
+  
+  return true;
+}
+
+bool FileManager::writeSide(xmlTextWriterPtr writer, const Vertex &v1, const Vertex &v2, float height) {
+  // <triangle>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"triangle") < 0)
+    return false;
+  
+  //if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"texture", (xmlChar*)"t0") < 0)
+  //  return false;
+  
+  if(!writeVertex(writer, v1.getX(), 0, v1.getY()))
+    return false;
+  if(!writeTexCoords(writer, v1.getX(), v1.getY()))
+    return false;
+  
+  if(!writeVertex(writer, v2.getX(), 0, v2.getY()))
+    return false;
+  if(!writeTexCoords(writer, v2.getX(), v2.getY()))
+    return false;
+  
+  if(!writeVertex(writer, v2.getX(), height, v2.getY()))
+      return false;
+  if(!writeTexCoords(writer, v2.getX(), v2.getY()))
+    return false;
+  
+  // </triangle>
+  if(xmlTextWriterEndElement(writer) < 0)
+    return false;
+  
+  // <triangle>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"triangle") < 0)
+    return false;
+  
+  //if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"texture", (xmlChar*)"t0") < 0)
+  //  return false;
+  
+  if(!writeVertex(writer, v2.getX(), height, v2.getY()))
+    return false;
+  if(!writeTexCoords(writer, v2.getX(), v2.getY()))
+    return false;
+  
+  if(!writeVertex(writer, v1.getX(), height, v1.getY()))
+    return false;
+  if(!writeTexCoords(writer, v1.getX(), v1.getY()))
+    return false;
+  
+  if(!writeVertex(writer, v1.getX(), 0, v1.getY()))
+      return false;
+    if(!writeTexCoords(writer, v1.getX(), v1.getY()))
+      return false;
+  
+  // </triangle>
+  if(xmlTextWriterEndElement(writer) < 0)
+    return false;
+  
+  return true;
+}
+
+bool FileManager::writeVertex(xmlTextWriterPtr writer, float x, float y, float z) {
+  // <vertex>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"vertex") < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"x", "%f", x) < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"y", "%f", y) < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"z", "%f", z) < 0)
+    return false;
+  
+  // </vertex>
+  if(xmlTextWriterEndElement(writer) < 0)
+    return false;
+  
+  return true;
+}
+
+bool FileManager::writeTexCoords(xmlTextWriterPtr writer, float s, float t) {
+  // <texcoords>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"texcoords") < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"s", "%f", s) < 0)
+    return false;
+  
+  if(xmlTextWriterWriteFormatAttribute(writer, (xmlChar*)"t", "%f", t) < 0)
+    return false;
+  
+  // </texcoords>
+  if(xmlTextWriterEndElement(writer) < 0)
+    return false;
+  
+  return true;
+}
+
+FileManager::FileManager(Window *window) {
+  this->window = window;
+  
+  filename = NULL;
+  dirty = false;
+}
+
+FileManager::~FileManager() {
+  if(filename)
+    g_free(filename);
+}
+
+bool FileManager::save(GtkWindow *parent) {
+  if(filename == NULL)
+    return saveAs(parent);
+  
+  return write();
+}
+
+bool FileManager::saveAs(GtkWindow *parent) {
+  GtkWidget *dialog = gtk_file_chooser_dialog_new(NULL, parent, GTK_FILE_CHOOSER_ACTION_SAVE,
+      GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL);
+  
+  if(filename)
+    gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), filename);
+  else
+    gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), "level.lvl");
+  
+  if(gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) {
+    gtk_widget_destroy(dialog);
+    return false;
+  }
+  
+  if(filename)
+    g_free(filename);
+  
+  filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
+  
+  gtk_widget_destroy(dialog);
+  
+  if(!filename)
+    return false;
+  
+ return write();
+}
+
+bool FileManager::write() {
+  xmlTextWriterPtr writer;
+  
+  writer = xmlNewTextWriterFilename(filename, 9);
+  if(!writer)
+    return false;
+  
+  if(xmlTextWriterStartDocument(writer, NULL, "UTF-8", NULL) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  if(xmlTextWriterStartDTD(writer, (xmlChar*)"level", (xmlChar*)"-//libzoom//DTD level 0.1//EN", (xmlChar*)"level.dtd") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  if(xmlTextWriterSetIndent(writer, 1) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  if(xmlTextWriterSetIndentString(writer, (xmlChar*)"  ") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  if(xmlTextWriterEndDTD(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // <level>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"level") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // <info>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"info") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  if(xmlTextWriterWriteElement(writer, (xmlChar*)"name", (xmlChar*)"Level") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  if(xmlTextWriterWriteElement(writer, (xmlChar*)"desc", (xmlChar*)"Description") < 0) {
+    xmlFreeTextWriter(writer);
+    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) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // </start>
+  if(xmlTextWriterEndElement(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // </info>
+  if(xmlTextWriterEndElement(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // <rooms>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"rooms") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  for(Level::iterator room = window->getLevel().begin(); room != window->getLevel().end(); room++) {
+    // <room>
+    if(xmlTextWriterStartElement(writer, (xmlChar*)"room") < 0) {
+      xmlFreeTextWriter(writer);
+      return false;
+    }
+    
+    if(xmlTextWriterWriteAttribute(writer, (xmlChar*)"id", (xmlChar*)room->getName().c_str()) < 0) {
+      xmlFreeTextWriter(writer);
+      return false;
+    }
+    
+    std::vector<Triangle> triangles;
+    room->triangulate(triangles);
+    
+    for(std::vector<Triangle>::iterator triangle = triangles.begin(); triangle != triangles.end(); triangle++) {
+      if(!writeTriangle(writer, *triangle, room->getHeight())) {
+        xmlFreeTextWriter(writer);
+        return false;
+      }
+    }
+    
+    std::vector<Vertex> vertices = *room;
+    
+    if(room->getDirection() == Triangle::CCW) {
+      vertices = std::vector<Vertex>(vertices.rbegin(), vertices.rend());
+    }
+    
+    for(std::vector<Vertex>::iterator v1 = vertices.begin(); v1 != vertices.end(); v1++) {
+      std::vector<Vertex>::iterator v2 = v1+1;
+      if(v2 == vertices.end()) v2 = vertices.begin();
+      
+      if(!writeSide(writer, *v1, *v2, room->getHeight())) {
+        xmlFreeTextWriter(writer);
+        return false;
+      }
+    }
+    
+    // </room>
+    if(xmlTextWriterEndElement(writer) < 0) {
+      xmlFreeTextWriter(writer);
+      return false;
+    }
+  }
+  
+  // </rooms>
+  if(xmlTextWriterEndElement(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // <gates>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"gates") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // </gates>
+  if(xmlTextWriterEndElement(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // <textures>
+  if(xmlTextWriterStartElement(writer, (xmlChar*)"textures") < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // </textures>
+  if(xmlTextWriterEndElement(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  // </level>
+  if(xmlTextWriterEndElement(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  if(xmlTextWriterEndDocument(writer) < 0) {
+    xmlFreeTextWriter(writer);
+    return false;
+  }
+  
+  xmlFreeTextWriter(writer);
+  
+  return true;
+}