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#include "map.h"
#include <libxml/parser.h>
#include <libxml/xmlwriter.h>
#include <sstream>
Map::Map()
{
mapdata = (int*) calloc(MAP_WIDTH * MAP_HEIGHT, sizeof(int));
}
Map::Map(std::string 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*) "map-def"))
{
throw MapLoadException(filename);
}
for (xmlNodePtr node = top->xmlChildrenNode; node != NULL; node = node->next)
{
if (!xmlStrcmp(node->name, (const xmlChar*) "name"))
{
xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
title = (char*) key;
xmlFree(key);
} else if (!xmlStrcmp(node->name, (const xmlChar*) "environment"))
{
xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
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"));
}
xmlFree(key);
} else if (!xmlStrcmp(node->name, (const xmlChar*) "leftmap"))
{
xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
leftmap = (char*) key;
xmlFree(key);
} else if (!xmlStrcmp(node->name, (const xmlChar*) "rightmap"))
{
xmlChar* key = xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
rightmap = (char*) key;
xmlFree(key);
} else if (!xmlStrcmp(node->name, (const xmlChar*) "entities"))
{
for (xmlNodePtr entityNode = node->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);
}
}
objects.push_back(data);
}
}
}
}
xmlFreeDoc(doc);
}
Map::Map(const Map& map)
{
mapdata = (int*) malloc(MAP_WIDTH*MAP_HEIGHT*sizeof(int));
memcpy(mapdata, map.mapdata, MAP_WIDTH*MAP_HEIGHT*sizeof(int));
title = map.title;
leftmap = map.leftmap;
rightmap = map.rightmap;
dirty = map.dirty;
objects = map.objects;
}
Map::Map(Map&& map) : Map()
{
swap(*this, map);
}
Map::~Map()
{
free(mapdata);
}
Map& Map::operator= (Map map)
{
swap(*this, map);
return *this;
}
void swap(Map& first, Map& second)
{
std::swap(first.mapdata, second.mapdata);
std::swap(first.title, second.title);
std::swap(first.leftmap, second.leftmap);
std::swap(first.rightmap, second.rightmap);
std::swap(first.dirty, second.dirty);
std::swap(first.objects, second.objects);
}
#define MY_ENCODING "ISO-8859-1"
void Map::save(std::string name)
{
if (!dirty) return;
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);
rc = xmlTextWriterStartElement(writer, (xmlChar*) "map-def");
if (rc < 0) throw MapWriteException(name);
rc = xmlTextWriterWriteElement(writer, (xmlChar*) "name", (xmlChar*) title.c_str());
if (rc < 0) throw MapWriteException(name);
std::ostringstream mapdata_out;
for (int y=0; y<MAP_HEIGHT; y++)
{
for (int x=0; x<MAP_WIDTH; x++)
{
mapdata_out << mapdata[x+y*MAP_WIDTH] << ",";
}
mapdata_out << std::endl;
}
rc = xmlTextWriterWriteElement(writer, (xmlChar*) "environment", (xmlChar*) mapdata_out.str().c_str());
if (rc < 0) throw MapWriteException(name);
rc = xmlTextWriterWriteElement(writer, (xmlChar*) "leftmap", (xmlChar*) leftmap.c_str());
if (rc < 0) throw MapWriteException(name);
rc = xmlTextWriterWriteElement(writer, (xmlChar*) "rightmap", (xmlChar*) rightmap.c_str());
if (rc < 0) throw MapWriteException(name);
rc = xmlTextWriterStartElement(writer, (xmlChar*) "entities");
if (rc < 0) throw MapWriteException(name);
for (auto object : objects)
{
rc = xmlTextWriterStartElement(writer, (xmlChar*) "entity");
if (rc < 0) throw MapWriteException(name);
rc = xmlTextWriterWriteElement(writer, (xmlChar*) "entity-type", (xmlChar*) object->object->getType().c_str());
if (rc < 0) throw MapWriteException(name);
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);
rc = xmlTextWriterEndElement(writer);
if (rc < 0) throw MapWriteException(name);
}
rc = xmlTextWriterEndElement(writer);
if (rc < 0) throw MapWriteException(name);
rc = xmlTextWriterEndElement(writer);
if (rc < 0) throw MapWriteException(name);
rc = xmlTextWriterEndDocument(writer);
if (rc < 0) throw MapWriteException(name);
xmlFreeTextWriter(writer);
dirty = false;
}
bool Map::hasUnsavedChanges() const
{
return dirty;
}
void Map::setTileAt(int x, int y, int tile)
{
dirty = true;
mapdata[x+y*MAP_WIDTH] = tile;
}
int Map::getTileAt(int x, int y) const
{
return mapdata[x+y*MAP_WIDTH];
}
std::string Map::getTitle() const
{
return title;
}
void Map::setTitle(std::string title)
{
dirty = true;
this->title = title;
}
const std::list<std::shared_ptr<MapObjectEntry>>& Map::getObjects() const
{
return objects;
}
void Map::addObject(std::shared_ptr<MapObjectEntry>& obj)
{
dirty = true;
objects.push_back(obj);
}
void Map::removeObject(std::shared_ptr<MapObjectEntry>& obj)
{
dirty = true;
objects.remove(obj);
}
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