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source: code/branches/core3/src/asylum/loader/LevelLoader.cc @ 1868

Last change on this file since 1868 was 1586, checked in by landauf, 16 years ago

moved Debug.h, OutputHandler and OutputBuffer to util, to make COUT(x) available everywhere

  • Property svn:eol-style set to native
File size: 5.7 KB
Line 
1/*
2*   ORXONOX - the hottest 3D action shooter ever to exist
3*
4*
5*   License notice:
6*
7*   This program is free software; you can redistribute it and/or
8*   modify it under the terms of the GNU General Public License
9*   as published by the Free Software Foundation; either version 2
10*   of the License, or (at your option) any later version.
11*
12*   This program is distributed in the hope that it will be useful,
13*   but WITHOUT ANY WARRANTY; without even the implied warranty of
14*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*   GNU General Public License for more details.
16*
17*   You should have received a copy of the GNU General Public License
18*   along with this program; if not, write to the Free Software
19*   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
20*
21*   Author:
22*     Nicolas Perrenoud <nicolape_at_ee.ethz.ch>
23*   Co-authors:
24*      ...
25*
26*/
27
28#include "OrxonoxStableHeaders.h"
29
30#include <OgreOverlay.h>
31#include <OgreOverlayManager.h>
32
33#include "core/BaseObject.h"
34#include "core/Error.h"
35#include "core/CoreIncludes.h"
36
37#include "audio/AudioManager.h"
38#include "orxonox/Orxonox.h"
39
40#include "LevelLoader.h"
41
42namespace loader
43{
44
45  LevelLoader::LevelLoader(std::string file, std::string path)
46  {
47    valid_ = false;
48
49    // Load XML level file
50    path.append("/");
51    path.append(file);
52
53    // Open xml file
54    doc_.LoadFile(path.c_str());
55
56    // Check if file was loaded
57    if (doc_.LoadFile())
58    {
59      TiXmlHandle hDoc(&doc_);
60      TiXmlHandle hRoot(0);
61      TiXmlElement* pElem;
62
63      // Check for root element
64      pElem = hDoc.FirstChildElement("orxonoxworld").Element();
65      if (pElem)
66      {
67        // Set root element
68        hRoot = TiXmlHandle(pElem);
69        rootElement_ = hRoot.Element();
70
71        // Set level description
72        pElem = hRoot.FirstChild("description").Element();
73        if (pElem)
74        {
75          description_ = pElem->GetText();
76        }
77
78        // Set level name
79        name_ = rootElement_->Attribute("name");
80        image_ = rootElement_->Attribute("image");
81
82        valid_ = true;
83      }
84      else
85      {
86        orxonox::Error("Level file has no valid root node");
87      }
88    }
89    else
90    {
91      orxonox::Error("Could not load level file ");
92    }
93  }
94
95  void LevelLoader::loadLevel()
96  {
97    if (valid_)
98    {
99      TiXmlElement* loadElem;
100      TiXmlElement* audioElem;
101      TiXmlElement* worldElem;
102      TiXmlElement* tElem;
103      TiXmlNode* tNode;
104
105      Ogre::OverlayManager& omgr = Ogre::OverlayManager::getSingleton();
106      Ogre::Overlay* mLoadOverlay; // FIXME: may be uninitialized
107
108      // Set loading screen
109      loadElem = rootElement_->FirstChildElement("loading");
110      if (loadElem)
111      {
112        // Set background
113        tElem = loadElem->FirstChildElement("background");
114        if (tElem)
115        {
116          loadingBackgroundColor_ = tElem->Attribute("color");
117          loadingBackgroundImage_ = tElem->Attribute("image");
118        }
119        // Set bar
120        tElem = loadElem->FirstChildElement("bar");
121        if (tElem)
122        {
123          loadingBarImage_ = tElem->Attribute("image");;
124          loadingBarTop_ = tElem->Attribute("top");
125          loadingBarLeft_ = tElem->Attribute("left");
126          loadingBarWidth_ = tElem->Attribute("width");
127          loadingBarHeight_ = tElem->Attribute("height");
128        }
129
130
131        mLoadOverlay = (Ogre::Overlay*)omgr.getByName("Orxonox/LoadingScreenSample");
132        mLoadOverlay->show();
133
134        COUT(0) << "This is Orxonox" << std::endl;
135        COUT(0) << "the hottest 3D action shooter ever to exist" << std::endl;
136        COUT(0) << "Level: " << name() << std::endl << "Description:" << description() << std::endl << "Image:" << image() << std::endl;
137        COUT(4) << "Backgroundcolor: " << loadingBackgroundColor_ << std::endl << "Backgroundimage:" << loadingBackgroundImage_ << std::endl;
138
139      }
140
141      // Load audio
142      audio::AudioManager* auMan = orxonox::Orxonox::getSingleton()->getAudioManagerPointer();
143      audioElem = rootElement_->FirstChildElement("audio");
144
145      if (audioElem)
146      {
147        audioElem = audioElem->FirstChildElement("ambient");
148        if (audioElem)
149        {
150          tNode = 0;
151          //FIXME something is wrong, probably missing ==
152          while( tNode = audioElem->IterateChildren( tNode ) )
153          {
154            if (tNode->Type() == TiXmlNode::ELEMENT)
155            {
156
157              tElem = tNode->ToElement();
158              std::string elemVal = tElem->Value();
159              if (elemVal == "ogg")
160              {
161                COUT(3) << "Adding sound "<< tElem->Attribute("src") << std::endl;
162
163                auMan->ambientAdd(tElem->Attribute("src"));
164              }
165            }
166          }
167          auMan->ambientStart();
168        }
169      }
170
171      // Load world
172      worldElem = rootElement_->FirstChildElement("world");
173      if (worldElem)
174      {
175        tNode = 0;
176        //FIXME something is wrong, probably missing ==
177        while (tNode = worldElem->IterateChildren(tNode))
178        {
179          if (tNode->Type() == TiXmlNode::ELEMENT)
180          {
181            tElem = tNode->ToElement();
182            orxonox::Identifier* id = ID(tElem->Value());
183            if (id)
184            {
185              orxonox::BaseObject* obj = id->fabricate();
186              obj->loadParams(tElem);
187            }
188            else
189            {
190              COUT(2) << "Warning: '"<< tElem->Value() <<"' is not a valid classname." << std::endl;
191            }
192          }
193        }
194      }
195
196      if (loadElem)
197      {
198        // FIXME: check for potential initialisation of mLoadOverlay
199        mLoadOverlay->hide();
200      }
201
202
203      COUT(0) << "Loading finished!" << std::endl << std::endl;
204    }
205  }
206
207  LevelLoader::~LevelLoader()
208  {
209
210  }
211
212}
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