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source: orxonox.OLD/branches/terrain/src/lib/particles/dot_particles.cc @ 8465

Last change on this file since 8465 was 7198, checked in by bensch, 19 years ago

orxonox/trunk: new Default Values… they now too are in MultiType instead of (count, …) or (count, va_arg) style

File size: 2.7 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_GRAPHICS
17
18#include "dot_particles.h"
19
20#include "util/loading/load_param.h"
21#include "util/loading/factory.h"
22#include "material.h"
23#include "state.h"
24#include "shell_command.h"
25
26#include "parser/tinyxml/tinyxml.h"
27#include <algorithm>
28
29
30CREATE_FACTORY(DotParticles, CL_DOT_PARTICLES);
31
32SHELL_COMMAND(texture, DotParticles, setMaterialTexture)
33    ->defaultValues("maps/evil-flower.png");
34
35using namespace std;
36
37/**
38 *  standard constructor
39 * @param maxCount the Count of particles in the System
40 * @param type The Type of the DotParticles
41*/
42DotParticles::DotParticles (unsigned int maxCount)
43  : ParticleSystem(maxCount)
44{
45  this->init();
46}
47
48/**
49 * @brief creates a Particle System out of a XML-element
50 * @param root: the XML-element to load from
51 */
52DotParticles::DotParticles(const TiXmlElement* root)
53{
54  this->init();
55  if (root != NULL)
56    this->loadParams(root);
57}
58
59/**
60 *  standard deconstructor
61*/
62DotParticles::~DotParticles()
63{ }
64
65/**
66 * @brief initializes the DotParticles with default values
67*/
68void DotParticles::init()
69{
70  this->setClassID(CL_DOT_PARTICLES, "DotParticles");
71
72  this->material.setDiffuseMap("maps/radial-trans-noise.png");
73}
74
75
76/**
77 * loads Parameters from a TiXmlElement
78 * @param root the XML-element to load from.
79 */
80void DotParticles::loadParams(const TiXmlElement* root)
81{
82  ParticleSystem::loadParams(root);
83
84  LoadParam(root, "texture", this, DotParticles, setMaterialTexture);
85}
86
87/**
88 * @brief draws all the Particles of this System
89 *
90 * The Cases in this Function all do the same:
91 * Drawing all the particles with the appropriate Type.
92 * This is just the fastest Way to do this, but will most likely be changed in the future.
93 */
94void DotParticles::draw() const
95{
96  glPushAttrib(GL_ENABLE_BIT);
97
98  GLboolean checkLight = false;
99  glGetBooleanv(GL_LIGHTING, &checkLight);
100  if (checkLight == GL_TRUE)
101    glDisable(GL_LIGHTING);
102
103  glMatrixMode(GL_MODELVIEW);
104  glBlendFunc(GL_SRC_ALPHA, GL_DST_ALPHA);
105
106  Particle* drawPart = particles;
107  //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE);
108
109  glBegin(GL_POINTS);
110  while (likely(drawPart != NULL))
111  {
112    glColor4fv(drawPart->color);
113    glVertex3f(drawPart->position.x, drawPart->position.y, drawPart->position.z);
114
115    drawPart = drawPart->next;
116  }
117  glEnd();
118  glPopAttrib();
119}
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