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source: orxonox.OLD/branches/bsp_model_old/src/world_entities/skybox.cc @ 8328

Last change on this file since 8328 was 7328, checked in by bensch, 19 years ago

orxonox/trunk: sky is ok again

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1/*
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:
12   main-programmer: Benjamin Grauer
13   co-programmer: ...
14*/
15
16#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY
17
18#include "skybox.h"
19
20#include "util/loading/load_param.h"
21#include "util/loading/factory.h"
22#include "static_model.h"
23
24#include "material.h"
25#include "texture.h"
26
27#include "network_game_manager.h"
28#include "converter.h"
29#include "util/loading/resource_manager.h"
30
31
32using namespace std;
33
34CREATE_FACTORY(SkyBox, CL_SKYBOX);
35
36/**
37 * Constructs a SkyBox and takes fileName as a map.
38 * @param fileName the file to take as input for the SkyBox
39*/
40SkyBox::SkyBox(const std::string& fileName)
41{
42  this->preInit();
43  if (!fileName.empty())
44    this->setTextureAndType(fileName, ".jpg");
45  this->postInit();
46}
47
48/**
49 *  initializes a skybox from a XmlElement
50*/
51SkyBox::SkyBox(const TiXmlElement* root)
52{
53  this->preInit();
54
55  if( root != NULL)
56    this->loadParams(root);
57
58  this->postInit();
59}
60
61void SkyBox::loadParams(const TiXmlElement* root)
62{
63  WorldEntity::loadParams(root);
64
65  LoadParam(root, "Materialset", this, SkyBox, setTexture)
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
68  LoadParam(root, "Size", this, SkyBox, setSize)
69      .describe("Sets the Size of the SkyBox (normally this should be 90% of the maximal viewing Distance).");
70}
71
72void SkyBox::preInit()
73{
74  this->setClassID(CL_SKYBOX, "SkyBox");
75  this->toList(OM_ENVIRON_NOTICK);
76  //this->size = 100.0;
77  this->textureSize = 1024.0f;
78
79  for (int i = 0; i < 6; i++)
80    {
81      this->material[i] = new Material();
82      this->material[i]->setIllum(3);
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);
86
87      this->cubeTexture[i] = NULL;
88    }
89  this->setParentMode(PNODE_MOVEMENT);
90
91  this->textureName = "";
92}
93
94void SkyBox::postInit()
95{
96  this->rebuild();
97}
98
99
100/**
101 *  default destructor
102*/
103SkyBox::~SkyBox()
104{
105  PRINTF(5)("Deleting SkyBox\n");
106  for (int i = 0; i < 6; i++)
107  {
108    if (this->material[i])
109      delete this->material[i];
110    if (this->cubeTexture[i])
111      ResourceManager::getInstance()->unload(this->cubeTexture[i]);
112  }
113}
114
115void SkyBox::setTexture(const std::string& name)
116{
117  this->textureName = name;
118  this->setTextureAndType (name, "jpg");
119};
120
121
122/**
123 * @brief sets A set of textures when just giving a Name and an extension:
124 * @param name the prefix of the Name
125 * @param extension the file extension (jpg by default)
126 * usage: give this function an argument like
127 * setTexture("skybox", "jpg");
128 * and it will convert this to
129 * setTextures("skybox_negx.jpg", "skybox_posx.jpg", "skybox_negy.jpg",
130 *             "skybox_posy.jpg", "skybox_negz.jpg", "skybox_posz.jpg");
131 */
132void SkyBox::setTextureAndType(const std::string& name, const std::string& extension)
133{
134  std::string negX = name + "_negx." + extension;
135  std::string posX = name + "_posx." + extension;
136
137  std::string negY = name + "_negy." + extension;
138  std::string posY = name + "_posy." + extension;
139
140  std::string negZ = name + "_negz." + extension;
141  std::string posZ = name + "_posz." + extension;
142
143  this->setTextures(negX, posX, negY, posY, negZ, posZ);
144}
145
146/**
147 * @brief Defines which textures should be loaded onto the SkyBox.
148 * @param negX the top texture.
149 * @param posX the bottom texture.
150 * @param negY the left texture.
151 * @param posY the right texture.
152 * @param negZ the front texture.
153 * @param posZ the back texture.
154*/
155void SkyBox::setTextures(const std::string& negX, const std::string& posX,
156                         const std::string& negY, const std::string& posY,
157                         const std::string& negZ, const std::string& posZ)
158{
159  this->material[0]->setDiffuseMap(negX);
160  this->material[1]->setDiffuseMap(posX);
161  this->material[2]->setDiffuseMap(negY);
162  this->material[3]->setDiffuseMap(posY);
163  this->material[4]->setDiffuseMap(negZ);
164  this->material[5]->setDiffuseMap(posZ);
165  if (GLEW_EXT_texture_cube_map)
166    this->loadCubeMapTextures(negX, posX, negY, posY, negZ, posZ);
167}
168
169void SkyBox::loadCubeMapTextures(const std::string& posY, const std::string& negY, const std::string& negZ,
170                                  const std::string& posZ, const std::string& posX, const std::string& negX)
171{
172  this->cubeTexture[0] = (Texture*)ResourceManager::getInstance()->load(negX, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT);
173  this->cubeTexture[1] = (Texture*)ResourceManager::getInstance()->load(posX, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT);
174
175  this->cubeTexture[2] = (Texture*)ResourceManager::getInstance()->load(negY, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT);
176  this->cubeTexture[3] = (Texture*)ResourceManager::getInstance()->load(posY, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT);
177
178  this->cubeTexture[4] = (Texture*)ResourceManager::getInstance()->load(negZ, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT);
179  this->cubeTexture[5] = (Texture*)ResourceManager::getInstance()->load(posZ, RP_LEVEL, IMAGE, GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT);
180}
181
182void SkyBox::enableCubeMap()
183{
184  glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP);
185  glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP);
186  glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP);
187
188  glEnable(GL_TEXTURE_CUBE_MAP_EXT);
189
190  glEnable(GL_TEXTURE_GEN_S);
191  glEnable(GL_TEXTURE_GEN_T);
192  glEnable(GL_TEXTURE_GEN_R);
193
194}
195
196void SkyBox::disableCubeMap()
197{
198  glDisable(GL_TEXTURE_CUBE_MAP);
199  glDisable(GL_TEXTURE_2D);
200  glDisable(GL_TEXTURE_GEN_S);
201  glDisable(GL_TEXTURE_GEN_T);
202  glDisable(GL_TEXTURE_GEN_R);
203
204  glDisable(GL_TEXTURE_GEN_S);
205  glDisable(GL_TEXTURE_GEN_T);
206  glDisable(GL_TEXTURE_GEN_R);
207}
208
209
210
211/**
212 * @param size The new size of the SkyBox
213
214 * do not forget to rebuild the SkyBox after this.
215*/
216void SkyBox::setSize(float size)
217{
218  this->size = size;
219}
220
221
222
223void SkyBox::draw()
224{
225  glPushAttrib(GL_ENABLE_BIT);
226//   glPushAttrib(GL_LIGHTING_BIT);
227  glDisable(GL_LIGHTING);
228
229  glPushAttrib(GL_ENABLE_BIT);
230  glDisable(GL_FOG);
231
232  WorldEntity::draw();
233
234  glPopAttrib();
235  glPopAttrib();
236
237}
238
239
240/**
241 *  rebuilds the SkyBox
242
243   this must be done, when changing the Size of the Skybox (runtime-efficency)
244*/
245void SkyBox::rebuild()
246{
247  StaticModel* model = new StaticModel();
248
249  model->addVertex (-0.5*size, -0.5*size, 0.5*size);
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
258//   model->addVertexTexture (0.0, 1.0);
259//   model->addVertexTexture (1.0, 1.0);
260//   model->addVertexTexture (1.0, 0.0);
261//   model->addVertexTexture (0.0, 0.0);
262
263  model->addVertexTexture (1.0/this->textureSize, (this->textureSize - 1.0)/this->textureSize);
264  model->addVertexTexture ((this->textureSize - 1.0)/this->textureSize, (this->textureSize - 1.0)/this->textureSize);
265  model->addVertexTexture ((this->textureSize - 1.0)/this->textureSize, 1.0/this->textureSize);
266  model->addVertexTexture (1.0/this->textureSize, 1.0/this->textureSize);
267
268
269  model->addVertexNormal (0.0, 0.0, 1.0);
270  model->addVertexNormal (0.0, 1.0, 0.0);
271  model->addVertexNormal (0.0, 0.0, -1.0);
272  model->addVertexNormal (0.0, -1.0, 0.0);
273  model->addVertexNormal (1.0, 0.0, 0.0);
274  model->addVertexNormal (-1.0, 0.0, 0.0);
275
276  model->setMaterial(material[0]);
277  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 6,0,4, 0,1,4, 2,2,4, 4,3,4); // back
278  model->setMaterial(material[1]);
279  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 1,0,5, 7,1,5, 5,2,5, 3,3,5); // front
280  model->setMaterial(material[2]);
281  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 6,0,1, 7,1,1, 1,2,1, 0,3,1); // bottom
282  model->setMaterial(material[3]);
283  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 2,0,3, 3,1,3, 5,2,3, 4,3,3); // top
284  model->setMaterial(material[4]);
285  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 4,2,2, 5,3,2, 7,0,2, 6,1,2); // left
286  model->setMaterial(material[5]);
287  model->addFace (4, VERTEX_TEXCOORD_NORMAL, 0,0,0, 1,1,0, 3,2,0, 2,3,0); // right
288
289  model->finalize();
290
291  this->setModel(model);
292}
293
294int SkyBox::writeBytes( const byte * data, int length, int sender )
295{
296  setRequestedSync( false );
297  setIsOutOfSync( false );
298
299  SYNCHELP_READ_BEGIN();
300
301  SYNCHELP_READ_FKT( WorldEntity::writeState, NWT_SB_WE_STATE );
302
303  SYNCHELP_READ_FLOAT( size, NWT_SB_SIZE );
304  if ( !this->textureName.empty() )
305  {
306    textureName = "";
307  }
308  std::string texName;
309  SYNCHELP_READ_STRING( texName, NWT_SB_TEXTURENAME );
310
311  this->setSize( size );
312  this->setTextureAndType( texName, "jpg" );
313  this->rebuild();
314
315  return SYNCHELP_READ_N;
316}
317
318
319
320int SkyBox::readBytes( byte * data, int maxLength, int * reciever )
321{
322  if ( isOutOfSync() && !requestedSync() && this->getHostID()!=this->getOwner() )
323  {
324    (NetworkGameManager::getInstance())->sync( this->getUniqueID(), this->getOwner() );
325    setRequestedSync( true );
326  }
327
328  int rec = this->getRequestSync();
329  if ( rec > 0 )
330  {
331    *reciever = rec;
332
333    SYNCHELP_WRITE_BEGIN();
334
335    SYNCHELP_WRITE_FKT( WorldEntity::readState, NWT_SB_WE_STATE );
336
337    SYNCHELP_WRITE_FLOAT(this->size, NWT_SB_SIZE);
338    SYNCHELP_WRITE_STRING(this->textureName, NWT_SB_TEXTURENAME);
339
340    return SYNCHELP_WRITE_N;
341  }
342
343  *reciever = 0;
344  return 0;
345}
346
347void SkyBox::writeDebug( ) const
348{
349}
350
351void SkyBox::readDebug( ) const
352{
353}
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