Planet
navi homePPSaboutscreenshotsdownloaddevelopmentforum

source: orxonox.OLD/branches/playability/src/world_entities/effects/billboard.cc @ 10590

Last change on this file since 10590 was 10501, checked in by snellen, 18 years ago

added method hide and unhide as scriptable to npc, small patch by lieni in billboard

File size: 4.1 KB
Line 
1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2006 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: David Hasenfratz
13*/
14
15#include "billboard.h"
16
17#include "util/loading/load_param.h"
18#include "util/loading/factory.h"
19
20#include "graphics_engine.h"
21#include "material.h"
22#include "glincl.h"
23#include "state.h"
24#include "cameraman.h"
25#include "camera.h"
26
27#include "debug.h"
28
29
30ObjectListDefinition(Billboard);
31CREATE_FACTORY(Billboard);
32
33/**
34 * standart constructor
35 */
36Billboard::Billboard (const TiXmlElement* root)
37{
38  this->init();
39
40  if( root)
41    this->loadParams(root);
42}
43
44
45/**
46 * destroys a Billboard
47 */
48Billboard::~Billboard ()
49{
50  if (this->material)
51    delete this->material;
52}
53
54
55/**
56 * initializes the Billboard
57 */
58void Billboard::init()
59{
60  this->registerObject(this, Billboard::_objectList);
61  this->setName("Billboard");
62
63  this->toList(OM_COMMON);
64
65  this->material = new Material();
66  this->setAbsCoor(0, 0, 0);
67  //this->setVisibiliy(true);
68  this->setSize(5, 5);
69
70  this->texColor = NULL;
71}
72
73
74/**
75 *  load params
76 * @param root TiXmlElement object
77 */
78void Billboard::loadParams(const TiXmlElement* root)
79{
80  /*LoadParam(root, "texture", this->material, Material, setDiffuseMap)
81      .describe("the texture-file to load onto the Billboard");
82
83  LoadParam(root, "size", this, Billboard, setSize)
84  .describe("the size of the Billboard in Pixels");*/
85}
86
87
88/**
89 * sets the size of the Billboard.
90 * @param size the size in pixels
91 */
92void Billboard::setSize(float sizeX, float sizeY)
93{
94  this->sizeX = sizeX;
95  this->sizeY = sizeY;
96}
97
98
99/**
100 * sets the material to load
101 * @param textureFile The texture-file to load
102 */
103void Billboard::setTexture(const std::string& textureFile)
104{
105  this->material->setDiffuseMap(textureFile);
106}
107
108
109/**
110 * ticks the Billboard
111 * @param dt the time to ticks
112 */
113void Billboard::tick(float dt)
114{
115}
116
117
118/**
119 * draws the billboard
120 */
121void Billboard::draw() const
122{
123  if( !this->isVisible())
124    return;
125
126  glPushAttrib(GL_ENABLE_BIT);
127  glDisable(GL_LIGHTING);
128  glDisable(GL_FOG);
129
130  glPushMatrix();
131
132  //glTranslatef(this->getAbsCoor().x, this->getAbsCoor().y, this->getAbsCoor().z);
133  //glTranslatef(0,0,0);
134  this->material->select();
135
136  const CameraMan* man = State::getCameraman();
137  const Camera* camera = man->getCurrentCam(); //!< @todo MUST be different
138  Vector cameraPos = camera->getAbsCoor();
139  Vector cameraTargetPos = camera->getTarget()->getAbsCoor();
140  Vector view = cameraTargetPos - cameraPos;
141  Vector up = Vector(0, 1, 0);
142  up = camera->getAbsDir().apply(up);
143  Vector h = up.cross(view);
144  Vector v = h.cross(view);
145  h.normalize();
146  v.normalize();
147
148  v *= sizeX;
149  h *= sizeY;
150
151//v += this->getAbsCoor();
152    //PRINTF(0)("sizeX: %f sizeY: %f\n", sizeX, sizeY);
153
154  // changes the color of the texture (if any is set)
155  if(this->texColor != NULL)
156    glColor4ub((GLubyte)(this->texColor->r()*255.0f), (GLubyte)(this->texColor->g()*255.0f), (GLubyte)(this->texColor->b()*255.0f), (GLubyte)(this->texColor->a()*255));
157
158  glBegin(GL_QUADS);
159  glTexCoord2f(0.0f, 0.0f);
160  glVertex3f(this->getAbsCoor().x - h.x - v.x,
161             this->getAbsCoor().y - h.y - v.y,
162             this->getAbsCoor().z - h.z - v.z);
163  glTexCoord2f(1.0f, 0.0f);
164  glVertex3f( this->getAbsCoor().x + h.x - v.x,
165              this->getAbsCoor().y + h.y - v.y,
166              this->getAbsCoor().z + h.z - v.z);
167  glTexCoord2f(1.0f, 1.0f);
168  glVertex3f(this->getAbsCoor().x + h.x + v.x,
169             this->getAbsCoor().y + h.y + v.y,
170             this->getAbsCoor().z + h.z + v.z);
171  glTexCoord2f(0.0f, 1.0f);
172  glVertex3f(this->getAbsCoor().x - h.x + v.x,
173             this->getAbsCoor().y - h.y + v.y,
174             this->getAbsCoor().z - h.z + v.z);
175  glEnd();
176
177
178  glPopMatrix();
179
180  glPopAttrib();
181}
182
183
184/**
185 * changes the texture color
186 * @param col color for the texture
187 */
188void Billboard::colorTexture(const Color col)
189{
190  this->texColor = new Color(col.r(), col.g(), col.b(), col.a());
191}
Note: See TracBrowser for help on using the repository browser.