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source: orxonox.OLD/trunk/src/world_entities/skybox.cc @ 8017

Last change on this file since 8017 was 7954, checked in by patrick, 19 years ago

trunk: merged the network branche back to trunk.

File size: 9.0 KB
RevLine 
[4597]1/*
[3416]2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11   ### File Specific:
[4261]12   main-programmer: Benjamin Grauer
13   co-programmer: ...
[3411]14*/
15
[3590]16#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY
17
[3796]18#include "skybox.h"
[4010]19
[7193]20#include "util/loading/load_param.h"
21#include "util/loading/factory.h"
[6022]22#include "static_model.h"
[6470]23
[6022]24#include "material.h"
[6470]25#include "texture.h"
26
[6341]27#include "network_game_manager.h"
28#include "converter.h"
[7193]29#include "util/loading/resource_manager.h"
[3608]30
[7123]31
[5356]32using namespace std;
[5357]33
[5750]34CREATE_FACTORY(SkyBox, CL_SKYBOX);
[3608]35
[3416]36/**
[5357]37 * Constructs a SkyBox and takes fileName as a map.
[4836]38 * @param fileName the file to take as input for the SkyBox
[3419]39*/
[7221]40SkyBox::SkyBox(const std::string& fileName)
[3419]41{
[4012]42  this->preInit();
[7221]43  if (!fileName.empty())
[4261]44    this->setTextureAndType(fileName, ".jpg");
[4012]45  this->postInit();
[4010]46}
47
[4444]48/**
[4836]49 *  initializes a skybox from a XmlElement
[4444]50*/
[4436]51SkyBox::SkyBox(const TiXmlElement* root)
[4010]52{
[4012]53  this->preInit();
[4010]54
[6695]55  if( root != NULL)
56    this->loadParams(root);
[4010]57
[4012]58  this->postInit();
[4010]59}
60
[4261]61void SkyBox::loadParams(const TiXmlElement* root)
62{
[6512]63  WorldEntity::loadParams(root);
[4436]64
[5671]65  LoadParam(root, "Materialset", this, SkyBox, setTexture)
[4621]66      .describe("Sets the material on the SkyBox. The string must be the path relative to the data-dir, and without a trailing .jpg");
67
[5671]68  LoadParam(root, "Size", this, SkyBox, setSize)
[4621]69      .describe("Sets the Size of the SkyBox (normally this should be 90% of the maximal viewing Distance).");
[4261]70}
71
[4746]72void SkyBox::preInit()
[4010]73{
[4320]74  this->setClassID(CL_SKYBOX, "SkyBox");
[7840]75  this->toList(OM_BACKGROUND);
[6634]76  //this->size = 100.0;
77  this->textureSize = 1024.0f;
[4620]78
[4597]79  for (int i = 0; i < 6; i++)
[3801]80    {
81      this->material[i] = new Material();
82      this->material[i]->setIllum(3);
[3805]83      this->material[i]->setDiffuse(0.0,0.0,0.0);
84      this->material[i]->setSpecular(0.0,0.0,0.0);
85      this->material[i]->setAmbient(2.0, 2.0, 2.0);
[6470]86
[6519]87      this->cubeTexture[i] = NULL;
[3801]88    }
[4444]89  this->setParentMode(PNODE_MOVEMENT);
[6341]90
[7221]91  this->textureName = "";
[4012]92}
[3803]93
[4746]94void SkyBox::postInit()
[4012]95{
96  this->rebuild();
[7954]97 
98  textureName_handle = registerVarId( new SynchronizeableString( &textureName, &textureName, "textureName") );
99  size_handle = registerVarId( new SynchronizeableFloat( &size, &size, "size" ) );
[3411]100}
101
[3507]102
[3416]103/**
[4836]104 *  default destructor
[3416]105*/
[3796]106SkyBox::~SkyBox()
[3411]107{
[4136]108  PRINTF(5)("Deleting SkyBox\n");
[3801]109  for (int i = 0; i < 6; i++)
[6523]110  {
[7221]111    if (this->material[i])
[6863]112      delete this->material[i];
[7221]113    if (this->cubeTexture[i])
[7123]114      ResourceManager::getInstance()->unload(this->cubeTexture[i]);
[6523]115  }
[6307]116}
[3411]117
[7221]118void SkyBox::setTexture(const std::string& name)
119{
120  this->textureName = name;
121  this->setTextureAndType (name, "jpg");
122};
123
124
[3803]125/**
[7328]126 * @brief sets A set of textures when just giving a Name and an extension:
127 * @param name the prefix of the Name
128 * @param extension the file extension (jpg by default)
129 * usage: give this function an argument like
130 * setTexture("skybox", "jpg");
131 * and it will convert this to
132 * setTextures("skybox_negx.jpg", "skybox_posx.jpg", "skybox_negy.jpg",
133 *             "skybox_posy.jpg", "skybox_negz.jpg", "skybox_posz.jpg");
134 */
[7221]135void SkyBox::setTextureAndType(const std::string& name, const std::string& extension)
[3803]136{
[7328]137  std::string negX = name + "_negx." + extension;
138  std::string posX = name + "_posx." + extension;
[3803]139
[7328]140  std::string negY = name + "_negy." + extension;
141  std::string posY = name + "_posy." + extension;
142
143  std::string negZ = name + "_negz." + extension;
144  std::string posZ = name + "_posz." + extension;
145
146  this->setTextures(negX, posX, negY, posY, negZ, posZ);
[3803]147}
148
149/**
[7328]150 * @brief Defines which textures should be loaded onto the SkyBox.
151 * @param negX the top texture.
152 * @param posX the bottom texture.
153 * @param negY the left texture.
154 * @param posY the right texture.
155 * @param negZ the front texture.
156 * @param posZ the back texture.
[3803]157*/
[7328]158void SkyBox::setTextures(const std::string& negX, const std::string& posX,
159                         const std::string& negY, const std::string& posY,
160                         const std::string& negZ, const std::string& posZ)
[3803]161{
[7328]162  this->material[0]->setDiffuseMap(negX);
163  this->material[1]->setDiffuseMap(posX);
164  this->material[2]->setDiffuseMap(negY);
165  this->material[3]->setDiffuseMap(posY);
166  this->material[4]->setDiffuseMap(negZ);
167  this->material[5]->setDiffuseMap(posZ);
[6523]168  if (GLEW_EXT_texture_cube_map)
[7328]169    this->loadCubeMapTextures(negX, posX, negY, posY, negZ, posZ);
[3803]170}
171
[7328]172void SkyBox::loadCubeMapTextures(const std::string& posY, const std::string& negY, const std::string& negZ,
173                                  const std::string& posZ, const std::string& posX, const std::string& negX)
[6470]174{
[7328]175  this->cubeTexture[0] = (Texture*)ResourceManager::getInstance()->load(negX, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT);
176  this->cubeTexture[1] = (Texture*)ResourceManager::getInstance()->load(posX, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT);
177
178  this->cubeTexture[2] = (Texture*)ResourceManager::getInstance()->load(negY, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT);
179  this->cubeTexture[3] = (Texture*)ResourceManager::getInstance()->load(posY, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT);
180
181  this->cubeTexture[4] = (Texture*)ResourceManager::getInstance()->load(negZ, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT);
182  this->cubeTexture[5] = (Texture*)ResourceManager::getInstance()->load(posZ, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT);
[6470]183}
184
185void SkyBox::enableCubeMap()
186{
[6860]187  glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP);
188  glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP);
189  glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP);
190
[6523]191  glEnable(GL_TEXTURE_CUBE_MAP_EXT);
[6860]192
[6470]193  glEnable(GL_TEXTURE_GEN_S);
194  glEnable(GL_TEXTURE_GEN_T);
195  glEnable(GL_TEXTURE_GEN_R);
[6523]196
[6470]197}
198
199void SkyBox::disableCubeMap()
200{
[6860]201  glDisable(GL_TEXTURE_CUBE_MAP);
[6519]202  glDisable(GL_TEXTURE_2D);
[6470]203  glDisable(GL_TEXTURE_GEN_S);
204  glDisable(GL_TEXTURE_GEN_T);
205  glDisable(GL_TEXTURE_GEN_R);
[6523]206
207  glDisable(GL_TEXTURE_GEN_S);
208  glDisable(GL_TEXTURE_GEN_T);
209  glDisable(GL_TEXTURE_GEN_R);
[6470]210}
211
212
213
[3803]214/**
[4836]215 * @param size The new size of the SkyBox
[4621]216
217 * do not forget to rebuild the SkyBox after this.
[3803]218*/
219void SkyBox::setSize(float size)
220{
221  this->size = size;
222}
223
[6634]224
225
226void SkyBox::draw()
227{
228  glPushAttrib(GL_ENABLE_BIT);
229//   glPushAttrib(GL_LIGHTING_BIT);
230  glDisable(GL_LIGHTING);
231
[6772]232  glDisable(GL_FOG);
233
[6634]234  WorldEntity::draw();
235
236  glPopAttrib();
237
238}
239
240
[3803]241/**
[4836]242 *  rebuilds the SkyBox
[4597]243
[3803]244   this must be done, when changing the Size of the Skybox (runtime-efficency)
245*/
[3801]246void SkyBox::rebuild()
247{
[6022]248  StaticModel* model = new StaticModel();
[3801]249
[5994]250  model->addVertex (-0.5*size, -0.5*size, 0.5*size);
251  model->addVertex (0.5*size, -0.5*size, 0.5*size);
252  model->addVertex (-0.5*size, 0.5*size, 0.5*size);
253  model->addVertex (0.5*size, 0.5*size, 0.5*size);
254  model->addVertex (-0.5*size, 0.5*size, -0.5*size);
255  model->addVertex (0.5*size, 0.5*size, -0.5*size);
256  model->addVertex (-0.5*size, -0.5*size, -0.5*size);
257  model->addVertex (0.5*size, -0.5*size, -0.5*size);
[3801]258
[6634]259//   model->addVertexTexture (0.0, 1.0);
260//   model->addVertexTexture (1.0, 1.0);
261//   model->addVertexTexture (1.0, 0.0);
262//   model->addVertexTexture (0.0, 0.0);
[3801]263
[6634]264  model->addVertexTexture (1.0/this->textureSize, (this->textureSize - 1.0)/this->textureSize);
265  model->addVertexTexture ((this->textureSize - 1.0)/this->textureSize, (this->textureSize - 1.0)/this->textureSize);
266  model->addVertexTexture ((this->textureSize - 1.0)/this->textureSize, 1.0/this->textureSize);
267  model->addVertexTexture (1.0/this->textureSize, 1.0/this->textureSize);
268
269
[5994]270  model->addVertexNormal (0.0, 0.0, 1.0);
271  model->addVertexNormal (0.0, 1.0, 0.0);
272  model->addVertexNormal (0.0, 0.0, -1.0);
273  model->addVertexNormal (0.0, -1.0, 0.0);
274  model->addVertexNormal (1.0, 0.0, 0.0);
275  model->addVertexNormal (-1.0, 0.0, 0.0);
[3801]276
[5994]277  model->setMaterial(material[0]);
[7328]278  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 6,0,4, 0,1,4, 2,2,4, 4,3,4); // back
[5994]279  model->setMaterial(material[1]);
[7328]280  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 1,0,5, 7,1,5, 5,2,5, 3,3,5); // front
281  model->setMaterial(material[2]);
[5994]282  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 6,0,1, 7,1,1, 1,2,1, 0,3,1); // bottom
283  model->setMaterial(material[3]);
[7328]284  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 2,0,3, 3,1,3, 5,2,3, 4,3,3); // top
[5994]285  model->setMaterial(material[4]);
[7328]286  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 4,2,2, 5,3,2, 7,0,2, 6,1,2); // left
[5994]287  model->setMaterial(material[5]);
[7328]288  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 0,0,0, 1,1,0, 3,2,0, 2,3,0); // right
[4597]289
[5994]290  model->finalize();
291
292  this->setModel(model);
[3801]293}
[6341]294
[7954]295void SkyBox::varChangeHandler( std::list< int > & id )
[6341]296{
[7954]297  bool somethinChanged = false;
298 
299  if ( std::find( id.begin(), id.end(), textureName_handle ) != id.end() )
[6341]300  {
[7954]301    somethinChanged = true;
302    setTexture( textureName );
[6341]303  }
[7954]304 
305  if ( std::find( id.begin(), id.end(), size_handle ) != id.end() )
[6341]306  {
[7954]307    somethinChanged = true;
[6341]308  }
[7954]309 
310  rebuild();
311 
312  WorldEntity::varChangeHandler( id );
[6341]313}
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