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source: orxonox.OLD/branches/height_map/src/world_entities/skybox.cc @ 5980

Last change on this file since 5980 was 5750, checked in by bensch, 19 years ago

orxonox/trunk: merged the WorldEntities into the Trunk.
Merged with command:
svn merge branches/world_entities/ trunk/ -r5516:HEAD

conflics from world_entities changed in favor of branches/world_entity
all other conflict in favor of the trunk

File size: 6.2 KB
Line 
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 "load_param.h"
21#include "factory.h"
22#include "model.h"
23
24
25using namespace std;
26
27CREATE_FACTORY(SkyBox, CL_SKYBOX);
28
29/**
30 * Constructs a SkyBox and takes fileName as a map.
31 * @param fileName the file to take as input for the SkyBox
32*/
33SkyBox::SkyBox(const char* fileName)
34{
35  this->preInit();
36  if (fileName)
37    this->setTextureAndType(fileName, ".jpg");
38  this->postInit();
39}
40
41/**
42 *  initializes a skybox from a XmlElement
43*/
44SkyBox::SkyBox(const TiXmlElement* root)
45{
46  this->preInit();
47
48  this->loadParams(root);
49
50  this->postInit();
51}
52
53void SkyBox::loadParams(const TiXmlElement* root)
54{
55  static_cast<WorldEntity*>(this)->loadParams(root);
56
57  LoadParam(root, "Materialset", this, SkyBox, setTexture)
58      .describe("Sets the material on the SkyBox. The string must be the path relative to the data-dir, and without a trailing .jpg");
59
60  LoadParam(root, "Size", this, SkyBox, setSize)
61      .describe("Sets the Size of the SkyBox (normally this should be 90% of the maximal viewing Distance).");
62}
63
64void SkyBox::preInit()
65{
66  this->setClassID(CL_SKYBOX, "SkyBox");
67
68  this->size = 100.0;
69
70  this->material = new Material*[6];
71  for (int i = 0; i < 6; i++)
72    {
73      this->material[i] = new Material();
74      this->material[i]->setIllum(3);
75      this->material[i]->setDiffuse(0.0,0.0,0.0);
76      this->material[i]->setSpecular(0.0,0.0,0.0);
77      this->material[i]->setAmbient(2.0, 2.0, 2.0);
78    }
79  this->setParentMode(PNODE_MOVEMENT);
80}
81
82void SkyBox::postInit()
83{
84  this->rebuild();
85}
86
87
88/**
89 *  default destructor
90*/
91SkyBox::~SkyBox()
92{
93  PRINTF(5)("Deleting SkyBox\n");
94  for (int i = 0; i < 6; i++)
95    delete this->material[i];
96  delete[] this->material;
97  delete this->model;
98  this->model = NULL; //< so that WorldEntity does not try to delete it again.
99}
100
101/**
102 *  sets A set of textures when just giving a Name and an extension:
103
104   usage: give this function an argument like
105   setTexture("skybox", "jpg");
106   and it will convert this to
107   setTextures("skybox_top.jpg", "skybox_bottom.jpg", "skybox_left.jpg",
108               "skybox_right.jpg", "skybox_front.jpg", "skybox_back.jpg");
109*/
110void SkyBox::setTextureAndType(const char* name, const char* extension)
111{
112  char* top    = new char[strlen(name)+strlen(extension)+ 10];
113  char* bottom = new char[strlen(name)+strlen(extension)+ 10];
114  char* left   = new char[strlen(name)+strlen(extension)+ 10];
115  char* right  = new char[strlen(name)+strlen(extension)+ 10];
116  char* front  = new char[strlen(name)+strlen(extension)+ 10];
117  char* back   = new char[strlen(name)+strlen(extension)+ 10];
118
119  sprintf(top, "%s_top.%s", name, extension);
120  sprintf(bottom, "%s_bottom.%s", name, extension);
121  sprintf(left, "%s_left.%s", name, extension);
122  sprintf(right, "%s_right.%s", name, extension);
123  sprintf(front, "%s_front.%s", name, extension);
124  sprintf(back, "%s_back.%s", name, extension);
125
126  this->setTextures(top, bottom, left, right, front, back);
127
128  // deleted alocated memory of this function
129  delete []top;
130  delete []bottom;
131  delete []left;
132  delete []right;
133  delete []front;
134  delete []back;
135}
136
137/**
138 *  Defines which textures should be loaded onto the SkyBox.
139 * @param top the top texture.
140 * @param bottom the bottom texture.
141 * @param left the left texture.
142 * @param right the right texture.
143 * @param front the front texture.
144 * @param back the back texture.
145*/
146void SkyBox::setTextures(const char* top, const char* bottom, const char* left, const char* right, const char* front, const char* back)
147{
148  this->material[0]->setDiffuseMap(top);
149  this->material[1]->setDiffuseMap(bottom);
150  this->material[2]->setDiffuseMap(left);
151  this->material[3]->setDiffuseMap(right);
152  this->material[4]->setDiffuseMap(front);
153  this->material[5]->setDiffuseMap(back);
154}
155
156/**
157 * @param size The new size of the SkyBox
158
159 * do not forget to rebuild the SkyBox after this.
160*/
161void SkyBox::setSize(float size)
162{
163  this->size = size;
164}
165
166/**
167 *  rebuilds the SkyBox
168
169   this must be done, when changing the Size of the Skybox (runtime-efficency)
170*/
171void SkyBox::rebuild()
172{
173  if (this->model)
174    delete this->model;
175  model = new Model();
176
177  this->model->addVertex (-0.5*size, -0.5*size, 0.5*size);
178  this->model->addVertex (0.5*size, -0.5*size, 0.5*size);
179  this->model->addVertex (-0.5*size, 0.5*size, 0.5*size);
180  this->model->addVertex (0.5*size, 0.5*size, 0.5*size);
181  this->model->addVertex (-0.5*size, 0.5*size, -0.5*size);
182  this->model->addVertex (0.5*size, 0.5*size, -0.5*size);
183  this->model->addVertex (-0.5*size, -0.5*size, -0.5*size);
184  this->model->addVertex (0.5*size, -0.5*size, -0.5*size);
185
186  this->model->addVertexTexture (0.0, 1.0);
187  this->model->addVertexTexture (1.0, 1.0);
188  this->model->addVertexTexture (1.0, 0.0);
189  this->model->addVertexTexture (0.0, 0.0);
190
191  this->model->addVertexNormal (0.0, 0.0, 1.0);
192  this->model->addVertexNormal (0.0, 1.0, 0.0);
193  this->model->addVertexNormal (0.0, 0.0, -1.0);
194  this->model->addVertexNormal (0.0, -1.0, 0.0);
195  this->model->addVertexNormal (1.0, 0.0, 0.0);
196  this->model->addVertexNormal (-1.0, 0.0, 0.0);
197
198  this->model->setMaterial(material[0]);
199  this->model->addFace (4, VERTEX_TEXCOORD_NORMAL, 2,0,3, 3,1,3, 5,2,3, 4,3,3); // top
200  this->model->setMaterial(material[1]);
201  this->model->addFace (4, VERTEX_TEXCOORD_NORMAL, 6,0,1, 7,1,1, 1,2,1, 0,3,1); // bottom
202  this->model->setMaterial(material[2]);
203  this->model->addFace (4, VERTEX_TEXCOORD_NORMAL, 4,2,2, 5,3,2, 7,0,2, 6,1,2); // left
204  this->model->setMaterial(material[3]);
205  this->model->addFace (4, VERTEX_TEXCOORD_NORMAL, 0,0,0, 1,1,0, 3,2,0, 2,3,0); // right
206  this->model->setMaterial(material[4]);
207  this->model->addFace (4, VERTEX_TEXCOORD_NORMAL, 1,0,5, 7,1,5, 5,2,5, 3,3,5); // front
208  this->model->setMaterial(material[5]);
209  this->model->addFace (4, VERTEX_TEXCOORD_NORMAL, 6,0,4, 0,1,4, 2,2,4, 4,3,4); // back
210
211  this->model->finalize();
212}
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