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source: orxonox.OLD/trunk/src/world_entities/movie_entity.cc @ 8914

Last change on this file since 8914 was 8310, checked in by bensch, 18 years ago

orxonox/trunk: impooved TextureSequence

File size: 3.6 KB
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1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2005 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, Stefan Lienhard
13   co-programmer:
14*/
15
16#include "movie_entity.h"
17
18#include "media_container.h"
19#include "util/loading/load_param.h"
20#include "util/loading/factory.h"
21
22using namespace std;
23
24CREATE_FACTORY(MovieEntity, CL_MOVIE_ENTITY);
25
26/**
27 *  standard constructor
28 */
29MovieEntity::MovieEntity (const TiXmlElement* root)
30{
31  this->setClassID(CL_MOVIE_ENTITY, "MovieEntity");
32
33  media_container = new MediaContainer();
34
35  axis = 0;
36  rotation = 0;
37  height = 20;
38  width = 20;
39  mediaLoaded = false;
40
41  this->toList(OM_COMMON);
42
43  if( root != NULL)
44    this->loadParams(root);
45
46  counter = 0;
47  timer = 0;
48}
49
50/**
51 *  standard destructor
52 */
53MovieEntity::~MovieEntity ()
54{
55  if( this->media_container)
56    delete this->media_container;
57}
58
59void MovieEntity::loadParams(const TiXmlElement* root)
60{
61  WorldEntity::loadParams(root);
62
63  LoadParam(root, "name", this, MovieEntity, loadMovie);
64  LoadParam(root, "axis", this, MovieEntity, setAxis);
65  LoadParam(root, "rotation", this, MovieEntity, setRotation);
66  LoadParam(root, "size", this, MovieEntity, setSize);
67  LoadParam(root, "fps", this, MovieEntity, setFPS);
68}
69
70void MovieEntity::setFPS(float fps)
71{
72  this->fps = fps;
73//PRINTF(0)("fps: %f\n", fps);
74}
75
76void MovieEntity::loadMovie(const std::string& filename)
77{
78  if(media_container->loadMedia(filename))
79  {
80    mediaLoaded = true;
81    fps = media_container->getFPS();
82  }
83  else
84    mediaLoaded = false;
85}
86
87void MovieEntity::setAxis(float axis)
88{
89//PRINTF(0)("fps: %f\n", fps);
90  this->axis = axis;
91}
92
93// Seconds for one loop
94void MovieEntity::setRotation(float rotation)
95{
96  this->rotation = rotation;
97}
98
99void MovieEntity::setSize(float width, float height)
100{
101  this->width = width;
102  this->height = height;
103}
104
105/**
106 *  this method is called every frame
107 * @param time: the time in seconds that has passed since the last tick
108
109   Handle all stuff that should update with time inside this method (movement, animation, etc.)
110 */
111void MovieEntity::tick(float time)
112{
113  if(!mediaLoaded)
114    return;
115
116  timer += time;
117
118  if(counter != fps * timer)
119  {
120    counter = (int)(fps * timer);
121
122    if ((unsigned int)counter >= media_container->getFrameCount())
123    {
124      timer = 0;
125      counter = 0;
126    }
127  }
128
129  axis += (time * rotation/360.0);
130}
131
132
133/**
134 *  the entity is drawn onto the screen with this function
135
136   This is a central function of an entity: call it to let the entity painted to the screen. Just override this function with whatever you want to be drawn.
137 */
138void MovieEntity::draw() const
139{
140//   if(!mediaLoaded)
141//     false;
142
143  glPushAttrib(GL_ENABLE_BIT);
144  glDisable(GL_LIGHTING);
145  glDisable(GL_BLEND);
146
147  glEnable(GL_TEXTURE_2D);
148  glBindTexture(GL_TEXTURE_2D, media_container->getFrameTexture(counter));
149
150  glPushMatrix();
151  glTranslatef (this->getAbsCoor ().x,
152                this->getAbsCoor ().y,
153                this->getAbsCoor ().z);
154  glRotatef(axis, 0.0f, 1.0f, 0.0f);
155//PRINTF(0)("axis: %f\n", axis);
156
157  glColor3f(1.0, 1.0, 1.0);
158
159  glBegin(GL_QUADS);
160    glTexCoord2f(1.0f, 1.0f); glVertex3f(-width/2, -height/2,  0.0f);
161    glTexCoord2f(0.0f, 1.0f); glVertex3f( width/2, -height/2,  0.0f);
162    glTexCoord2f(0.0f, 0.0f); glVertex3f( width/2,  height/2,  0.0f);
163    glTexCoord2f(1.0f, 0.0f); glVertex3f(-width/2,  height/2,  0.0f);
164  glEnd();
165
166  glPopMatrix();
167  glPopAttrib();
168}
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