src/world.cpp

   1 /******************************
   2 ** Tsunagari Tile Engine     **
   3 ** world.cpp                 **
   4 ** Copyright 2011 OmegaSDG   **
   5 ******************************/
   6
   7 #include <libxml/parser.h>
   8 #include <libxml/tree.h>
   9
  10 #include "area.h"
  11 #include "entity.h"
  12 #include "log.h"
  13 #include "resourcer.h"
  14 #include "window.h"
  15 #include "world.h"
  16
  17 World::World(Resourcer* rc, GameWindow* wnd)
  18         : rc(rc), wnd(wnd), area(NULL), player(NULL)
  19 {
  20 }
  21
  22 World::~World()
  23 {
  24         delete player;
  25         delete area;
  26 }
  27
  28 bool World::init()
  29 {
  30         if (!processDescriptor()) // Try to load in descriptor.
  31                 return false;
  32
  33         // FIXME The player entity doesn't have a descriptor yet.
  34         player = new Entity(rc, "_NONE_", xml.playersprite);
  35         if (!player->init())
  36                 return false;
  37
  38         area = new Area(rc, player, xml.entry.area);
  39
  40         wnd->setCaption(Gosu::widen(xml.name));
  41         return area->init();
  42 }
  43
  44 void World::buttonDown(const Gosu::Button btn)
  45 {
  46         area->buttonDown(btn);
  47 }
  48
  49 void World::draw()
  50 {
  51         area->draw();
  52 }
  53
  54 bool World::needsRedraw() const
  55 {
  56         return area->needsRedraw();
  57 }
  58
  59 bool World::processDescriptor()
  60 {
  61         static const std::string descriptor = "world.conf";
  62         xmlChar* str;
  63
  64         xmlDoc* doc = rc->getXMLDoc(descriptor);
  65         if (!doc)
  66                 return false;
  67         const xmlNode* root = xmlDocGetRootElement(doc);
  68         if (!root) {
  69                 xmlFreeDoc(doc);
  70                 return false;
  71         }
  72
  73         xmlNode* node = root->xmlChildrenNode; // <world>
  74         node = node->xmlChildrenNode; // decend into children of <world>
  75         for (; node != NULL; node = node->next) {
  76                 if (!xmlStrncmp(node->name, BAD_CAST("name"), 5)) {
  77                         str = xmlNodeGetContent(node);
  78                         xml.name = (char*)str;
  79                 }
  80                 if (!xmlStrncmp(node->name, BAD_CAST("author"), 7)) {
  81                         str = xmlNodeGetContent(node);
  82                         xml.author = (char*)str;
  83                 }
  84                 if (!xmlStrncmp(node->name, BAD_CAST("type"), 5)) {
  85                         str = xmlNodeGetContent(node);
  86
  87                         if (xmlStrncmp(str, BAD_CAST("local"), 6))
  88                                 xml.type = LOCAL;
  89
  90                         if (xmlStrncmp(str, BAD_CAST("network"), 8))
  91                                 xml.type = NETWORK;
  92
  93                         else {
  94                                 xmlFreeDoc(doc);
  95                                 Log::err(descriptor, "Invalid <type> value");
  96                                 return false;
  97                         }
  98                 }
  99                 if (!xmlStrncmp(node->name, BAD_CAST("player"), 7)) {
 100                         str = xmlGetProp(node, BAD_CAST("sprite"));
 101                         xml.playersprite = (char*)str;
 102                 }
 103                 if (!xmlStrncmp(node->name, BAD_CAST("entrypoint"), 11)) {
 104                         str = xmlGetProp(node, BAD_CAST("area"));
 105                         xml.entry.area = (char*)str;
 106
 107                         str = xmlGetProp(node, BAD_CAST("x"));
 108                         xml.entry.coords.x = atol((char*)str);
 109
 110                         str = xmlGetProp(node, BAD_CAST("y"));
 111                         xml.entry.coords.y = atol((char*)str);
 112
 113                         str = xmlGetProp(node, BAD_CAST("z"));
 114                         xml.entry.coords.z = atol((char*)str);
 115                 }
 116                 if (!xmlStrncmp(node->name, BAD_CAST("eventscripts"), 13)) {
 117                         node = node->xmlChildrenNode; // decend
 118                 }
 119                 if (!xmlStrncmp(node->name, BAD_CAST("script"), 7)) {
 120                         str = xmlNodeGetContent(node);
 121                         xml.scripts.push_back((char*)str);
 122                 }
 123         }
 124         xmlFreeDoc(doc);
 125         return true;
 126 }
 127