Rewrote map editor so a single file contains all maps

Maps are viewed in a tree control on the left. They can be dragged and dropped. Maps are bolded when they are dirty. Saving saves expansion status and order of maps in tree.

1 files changed, 369 insertions, 0 deletions

@@ -0,0 +1,369 @@
+#include "world.h"
+#include <libxml/parser.h>
+#include <libxml/xmlwriter.h>
+#include "frame.h"
+#include <sstream>
+
+World::World()
+{
+  newMap();
+  
+  rootChildren.push_back(0);
+}
+
+World::World(std::string filename)
+{
+  this->filename = filename;
+  
+  xmlDocPtr doc = xmlParseFile(filename.c_str());
+  if (doc == nullptr)
+  {
+    throw MapLoadException(filename);
+  }
+  
+  xmlNodePtr top = xmlDocGetRootElement(doc);
+  if (top == nullptr)
+  {
+    throw MapLoadException(filename);
+  }
+  
+  if (xmlStrcmp(top->name, (const xmlChar*) "world"))
+  {
+    throw MapLoadException(filename);
+  }
+  
+  for (xmlNodePtr node = top->xmlChildrenNode; node != NULL; node = node->next)
+  {
+    if (!xmlStrcmp(node->name, (const xmlChar*) "nextmapid"))
+    {
+      xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
+      if (key != 0)
+      {
+        nextMapID = atoi((char*) key);
+      }
+      xmlFree(key);
+    } else if (!xmlStrcmp(node->name, (const xmlChar*) "lastmap"))
+    {
+      xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
+      if (key != 0)
+      {
+        lastmap = atoi((char*) key);
+      }
+      xmlFree(key);
+    } else if (!xmlStrcmp(node->name, (const xmlChar*) "root"))
+    {
+      xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
+      if (key != 0)
+      {
+        rootChildren.push_back(atoi((char*) key));
+      }
+      xmlFree(key);
+    } else if (!xmlStrcmp(node->name, (const xmlChar*) "map"))
+    {
+      xmlChar* idKey = xmlGetProp(node, (xmlChar*) "id");
+      if (idKey == 0) throw MapLoadException(filename);
+      int id = atoi((char*) idKey);
+      xmlFree(idKey);
+      
+      auto map = std::make_shared<Map>(id, this);
+      
+      for (xmlNodePtr mapNode = node->xmlChildrenNode; mapNode != NULL; mapNode = mapNode->next)
+      {
+        if (!xmlStrcmp(mapNode->name, (const xmlChar*) "name"))
+        {
+          xmlChar* key = xmlNodeListGetString(doc, mapNode->xmlChildrenNode, 1);
+          if (key != 0)
+          {
+            map->setTitle((char*) key, false);
+          }
+          
+          xmlFree(key);
+        } else if (!xmlStrcmp(mapNode->name, (const xmlChar*) "environment"))
+        {
+          xmlChar* key = xmlNodeListGetString(doc, mapNode->xmlChildrenNode, 1);
+          int* mapdata = (int*) malloc(MAP_WIDTH*MAP_HEIGHT*sizeof(int));
+          mapdata[0] = atoi(strtok((char*) key, ",\n"));
+          for (int i=1; i<(MAP_WIDTH*MAP_HEIGHT); i++)
+          {
+            mapdata[i] = atoi(strtok(NULL, ",\n"));
+          }
+          map->setMapdata(mapdata, false);
+          xmlFree(key);
+        } else if (!xmlStrcmp(mapNode->name, (const xmlChar*) "leftmap"))
+        {
+          xmlChar* key = xmlNodeListGetString(doc, mapNode->xmlChildrenNode, 1);
+          if (key != 0)
+          {
+            map->setLeftmap(atoi((char*) key), false);
+          }
+          xmlFree(key);
+        } else if (!xmlStrcmp(mapNode->name, (const xmlChar*) "rightmap"))
+        {
+          xmlChar* key = xmlNodeListGetString(doc, mapNode->xmlChildrenNode, 1);
+          if (key != 0)
+          {
+            map->setRightmap(atoi((char*) key));
+          }
+          xmlFree(key);
+        } else if (!xmlStrcmp(mapNode->name, (const xmlChar*) "entities"))
+        {
+          for (xmlNodePtr entityNode = mapNode->xmlChildrenNode; entityNode != NULL; entityNode = entityNode->next)
+          {
+            if (!xmlStrcmp(entityNode->name, (const xmlChar*) "entity"))
+            {
+              auto data = std::make_shared<MapObjectEntry>();
+          
+              for (xmlNodePtr entityDataNode = entityNode->xmlChildrenNode; entityDataNode != NULL; entityDataNode = entityDataNode->next)
+              {
+                if (!xmlStrcmp(entityDataNode->name, (const xmlChar*) "entity-type"))
+                {
+                  xmlChar* key = xmlNodeListGetString(doc, entityDataNode->xmlChildrenNode, 1);
+                  data->object = MapObject::getAllObjects().at((char*) key).get();
+                  xmlFree(key);
+                } else if (!xmlStrcmp(entityDataNode->name, (const xmlChar*) "entity-position"))
+                {
+                  xmlChar* key = xmlNodeListGetString(doc, entityDataNode->xmlChildrenNode, 1);
+                  sscanf((char*) key, "%lf,%lf", &data->position.first, &data->position.second);
+                  xmlFree(key);
+                }
+              }
+        
+              map->addObject(data, false);
+            }
+          }
+        } else if (!xmlStrcmp(mapNode->name, (const xmlChar*) "child"))
+        {
+          xmlChar* key = xmlNodeListGetString(doc, mapNode->xmlChildrenNode, 1);
+          if (key != 0)
+          {
+            map->addChild(atoi((char*) key));
+          }
+          xmlFree(key);
+        } else if (!xmlStrcmp(mapNode->name, (const xmlChar*) "expanded"))
+        {
+          xmlChar* key = xmlNodeListGetString(doc, mapNode->xmlChildrenNode, 1);
+          if ((key != 0) && ((char) key[0] == '1'))
+          {
+            map->setExpanded(true);
+          }
+        }
+      }
+      
+      maps[map->getID()] = map;
+    }
+  }
+  
+  xmlFreeDoc(doc);
+}
+
+std::shared_ptr<Map> World::newMap()
+{
+  auto nm = std::make_shared<Map>(nextMapID++, this);
+  maps[nm->getID()] = nm;
+  return nm;
+}
+
+std::shared_ptr<Map> World::getMap(int id) const
+{
+  return maps.at(id);
+}
+
+void World::setDirty(bool dirty)
+{
+  this->dirty = dirty;
+  parent->MapDirtyDidChange(dirty);
+}
+
+bool World::getDirty() const
+{
+  return dirty;
+}
+
+std::string World::getFilename() const
+{
+  return filename;
+}
+
+void World::setParent(MapeditFrame* parent)
+{
+  this->parent = parent;
+}
+
+Map* World::getLastMap() const
+{
+  return getMap(lastmap).get();
+}
+
+#define MY_ENCODING "ISO-8859-1"
+
+void World::save(std::string name, wxTreeCtrl* mapTree)
+{
+  int rc;
+  
+  xmlTextWriterPtr writer = xmlNewTextWriterFilename(name.c_str(), 0);
+  if (writer == NULL) throw MapWriteException(name);
+
+  rc = xmlTextWriterStartDocument(writer, NULL, MY_ENCODING, NULL);
+  if (rc < 0) throw MapWriteException(name);
+  
+  // <world>
+  rc = xmlTextWriterStartElement(writer, (xmlChar*) "world");
+  if (rc < 0) throw MapWriteException(name);
+  
+  //   <nextmapid/>
+  std::ostringstream nextMap_out;
+  nextMap_out << nextMapID;
+  rc = xmlTextWriterWriteElement(writer, (xmlChar*) "nextmapid", (xmlChar*) nextMap_out.str().c_str());
+  if (rc < 0) throw MapWriteException(name);
+  
+  //   <lastmap/>
+  std::ostringstream lastMap_out;
+  lastMap_out << lastmap;
+  rc = xmlTextWriterWriteElement(writer, (xmlChar*) "lastmap", (xmlChar*) lastMap_out.str().c_str());
+  if (rc < 0) throw MapWriteException(name);
+  
+  // ASSUMPTION: There will always be at least one child of the invisible root element. i.e. you cannot delete to zero maps.
+  wxTreeItemId root = mapTree->GetRootItem();
+  wxTreeItemIdValue cookie1;
+  for (wxTreeItemId it = mapTree->GetFirstChild(root, cookie1); it.IsOk(); it = mapTree->GetNextChild(root, cookie1))
+  {
+    // <root>
+    MapPtrCtr* ctl = (MapPtrCtr*) mapTree->GetItemData(it);
+    std::ostringstream rootid_out;
+    rootid_out << ctl->map->getID();
+    rc = xmlTextWriterWriteElement(writer, (xmlChar*) "root", (xmlChar*) rootid_out.str().c_str());
+    if (rc < 0) throw MapWriteException(name);
+  }
+  
+  for (auto mapPair : maps)
+  {
+    Map& map = *mapPair.second;
+    
+    // <map>
+    rc = xmlTextWriterStartElement(writer, (xmlChar*) "map");
+    if (rc < 0) throw MapWriteException(name);
+    
+    // id=
+    std::ostringstream id_out;
+    id_out << map.getID();
+    rc = xmlTextWriterWriteAttribute(writer, (xmlChar*) "id", (xmlChar*) id_out.str().c_str());
+    if (rc < 0) throw MapWriteException(name);
+    
+    //   <name/>
+    rc = xmlTextWriterWriteElement(writer, (xmlChar*) "name", (xmlChar*) map.getTitle().c_str());
+    if (rc < 0) throw MapWriteException(name);
+  
+    //   <environment/>
+    std::ostringstream mapdata_out;
+    for (int y=0; y<MAP_HEIGHT; y++)
+    {
+      for (int x=0; x<MAP_WIDTH; x++)
+      {
+        mapdata_out << map.getTileAt(x,y) << ",";
+      }
+    
+      mapdata_out << std::endl;
+    }
+  
+    rc = xmlTextWriterWriteElement(writer, (xmlChar*) "environment", (xmlChar*) mapdata_out.str().c_str());
+    if (rc < 0) throw MapWriteException(name);
+  
+    //   <leftmap/>
+    std::ostringstream leftmap_out;
+    if (map.getLeftmap())
+    {
+      leftmap_out << map.getLeftmap()->getID();
+    }
+    rc = xmlTextWriterWriteElement(writer, (xmlChar*) "leftmap", (xmlChar*) leftmap_out.str().c_str());
+    if (rc < 0) throw MapWriteException(name);
+
+    //   <rightmap/>
+    std::ostringstream rightmap_out;
+    if (map.getRightmap())
+    {
+      rightmap_out << map.getRightmap()->getID();
+    }
+    rc = xmlTextWriterWriteElement(writer, (xmlChar*) "rightmap", (xmlChar*) rightmap_out.str().c_str());
+    if (rc < 0) throw MapWriteException(name);
+  
+    //   <entities>
+    rc = xmlTextWriterStartElement(writer, (xmlChar*) "entities");
+    if (rc < 0) throw MapWriteException(name);
+  
+    for (auto object : map.getObjects())
+    {
+      //   <entity>
+      rc = xmlTextWriterStartElement(writer, (xmlChar*) "entity");
+      if (rc < 0) throw MapWriteException(name);
+    
+      //     <entity-type/>
+      rc = xmlTextWriterWriteElement(writer, (xmlChar*) "entity-type", (xmlChar*) object->object->getType().c_str());
+      if (rc < 0) throw MapWriteException(name);
+    
+      //     <entity-position/>
+      std::ostringstream entpos_out;
+      entpos_out << object->position.first << "," << object->position.second;
+      rc = xmlTextWriterWriteElement(writer, (xmlChar*) "entity-position", (xmlChar*) entpos_out.str().c_str());
+      if (rc < 0) throw MapWriteException(name);
+    
+      //   </entity>
+      rc = xmlTextWriterEndElement(writer);
+      if (rc < 0) throw MapWriteException(name);
+    }
+  
+    //   </entities>
+    rc = xmlTextWriterEndElement(writer);
+    if (rc < 0) throw MapWriteException(name);
+    
+    wxTreeItemId node = map.getTreeItemId();
+    if (mapTree->ItemHasChildren(node))
+    {
+      wxTreeItemIdValue cookie2;
+      for (wxTreeItemId it = mapTree->GetFirstChild(node, cookie2); it.IsOk(); it = mapTree->GetNextChild(node, cookie2))
+      {
+      // <child/>
+        MapPtrCtr* ctl = (MapPtrCtr*) mapTree->GetItemData(it);
+        std::ostringstream childid_out;
+        childid_out << ctl->map->getID();
+        rc = xmlTextWriterWriteElement(writer, (xmlChar*) "child", (xmlChar*) childid_out.str().c_str());
+        if (rc < 0) throw MapWriteException(name);
+      }
+      
+      if (mapTree->IsExpanded(node))
+      {
+      // <expanded/>
+        rc = xmlTextWriterWriteElement(writer, (xmlChar*) "expanded", (xmlChar*) "1");
+        if (rc < 0) throw MapWriteException(name);
+      }
+    }
+    
+    // </map>
+    rc = xmlTextWriterEndElement(writer);
+    if (rc < 0) throw MapWriteException(name);
+  }
+  
+  // </world>
+  rc = xmlTextWriterEndDocument(writer);
+  if (rc < 0) throw MapWriteException(name);
+  
+  xmlFreeTextWriter(writer);
+  
+  setDirty(false);
+}
+
+std::list<std::shared_ptr<Map>> World::getRootMaps() const
+{
+  std::list<std::shared_ptr<Map>> ret;
+  
+  for (auto id : rootChildren)
+  {
+    ret.push_back(getMap(id));
+  }
+  
+  return ret;
+}
+
+const std::map<int, std::shared_ptr<Map>> World::getMaps() const
+{
+  return maps;
+}