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source: orxonox.OLD/trunk/src/world_entities/projectiles/guided_missile.cc @ 8151

Last change on this file since 8151 was 7193, checked in by bensch, 19 years ago

orxonox/trunk: new style for resources (prework/movement)

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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: Silvan Nellen
13   co-programmer:
14
15*/
16#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WEAPON
17
18#include "guided_missile.h"
19
20#include "state.h"
21#include "class_list.h"
22
23#include "dot_emitter.h"
24#include "sprite_particles.h"
25
26using namespace std;
27
28CREATE_FAST_FACTORY_STATIC(GuidedMissile, CL_GUIDED_MISSILE);
29
30/**
31 *  standard constructor
32*/
33GuidedMissile::GuidedMissile () : Projectile()
34{
35  this->setClassID(CL_GUIDED_MISSILE, "GuidedMissile");
36
37  float modelSize = .3;
38  this->loadModel("models/projectiles/orx-rocket.obj", .3);
39  this->loadExplosionSound("sound/explosions/explosion_4.wav");
40
41
42  this->setMinEnergy(1);
43  this->setHealthMax(10);
44  this->lifeSpan = 4.0;
45  this->agility = 3.5;
46  this->maxVelocity = 75;
47
48  this->emitter = new DotEmitter(100, 5, M_2_PI);
49  this->emitter->setParent(this);
50  this->emitter->setSpread(M_PI, M_PI);
51}
52
53
54/**
55 *  standard deconstructor
56*/
57GuidedMissile::~GuidedMissile ()
58{
59  // delete this->emitter;
60
61  /* this is normaly done by World.cc by deleting the ParticleEngine */
62  if (GuidedMissile::trailParticles != NULL && ClassList::getList(CL_GUIDED_MISSILE)->size() <= 1)
63  {
64    if (ClassList::exists(GuidedMissile::trailParticles, CL_PARTICLE_SYSTEM))
65      delete GuidedMissile::trailParticles;
66    GuidedMissile::trailParticles = NULL;
67  }
68  if (GuidedMissile::explosionParticles != NULL && ClassList::getList(CL_GUIDED_MISSILE)->size() <= 1)
69  {
70    if (ClassList::exists(GuidedMissile::explosionParticles, CL_PARTICLE_SYSTEM))
71      delete GuidedMissile::explosionParticles;
72    GuidedMissile::explosionParticles = NULL;
73  }
74
75}
76
77SpriteParticles* GuidedMissile::trailParticles = NULL;
78SpriteParticles* GuidedMissile::explosionParticles = NULL;
79
80
81
82void GuidedMissile::activate()
83{
84  if (unlikely(GuidedMissile::trailParticles == NULL))
85  {
86    GuidedMissile::trailParticles = new SpriteParticles(2000);
87    GuidedMissile::trailParticles->setName("GuidedMissileTrailParticles");
88    GuidedMissile::trailParticles->setMaterialTexture("maps/radial-trans-noise.png");
89    GuidedMissile::trailParticles->setLifeSpan(1.0, .3);
90    GuidedMissile::trailParticles->setRadius(0.0, .5);
91    GuidedMissile::trailParticles->setRadius(0.2, 2.0);
92    GuidedMissile::trailParticles->setRadius(.5, .8);
93    GuidedMissile::trailParticles->setRadius(1.0, .8);
94    GuidedMissile::trailParticles->setColor(0.0, 1,0,0,.7);
95    GuidedMissile::trailParticles->setColor(0.2, .8,.8,0,.5);
96    GuidedMissile::trailParticles->setColor(0.5, .8,.8,.8,.8);
97    GuidedMissile::trailParticles->setColor(1.0, .8,.8,.8,.0);
98  }
99  if (unlikely(GuidedMissile::explosionParticles == NULL))
100  {
101    GuidedMissile::explosionParticles = new SpriteParticles(200);
102    GuidedMissile::explosionParticles->setName("GuidedMissileExplosionParticles");
103    GuidedMissile::explosionParticles->setMaterialTexture("maps/radial-trans-noise.png");
104    GuidedMissile::explosionParticles->setLifeSpan(.5, .3);
105    GuidedMissile::explosionParticles->setRadius(0.0, 10);
106    GuidedMissile::explosionParticles->setRadius(.5, 15.0);
107    GuidedMissile::explosionParticles->setRadius(1.0, 10.0);
108    GuidedMissile::explosionParticles->setColor(0.0, 0,1,0,1);
109    GuidedMissile::explosionParticles->setColor(0.5, .8,.8,0,.8);
110    GuidedMissile::explosionParticles->setColor(0.8, .8,.8,.3,.8);
111    GuidedMissile::explosionParticles->setColor(1.0, 1,1,1,.0);
112  }
113
114  this->emitter->setSystem(GuidedMissile::trailParticles);
115
116  this->updateNode(0);
117  this->emitter->setEmissionRate(45.0);
118  this->emitter->setEmissionVelocity(0.0);
119
120  this->setHealth(10.0* (float)rand()/(float)RAND_MAX);
121}
122
123
124void GuidedMissile::deactivate()
125{
126  this->emitter->setSystem(NULL);
127  this->lifeCycle = 0.0;
128
129  this->toList(OM_DEAD);
130  this->removeNode();
131  GuidedMissile::fastFactory->kill(this);
132}
133
134
135void GuidedMissile::collidesWith(WorldEntity* entity, const Vector& location)
136{
137  if (this->hitEntity != entity)
138    this->destroy();
139  this->hitEntity = entity;
140}
141
142/**
143 *  signal tick, time dependent things will be handled here
144 * @param time since last tick
145*/
146void GuidedMissile::tick (float time)
147{
148
149
150if (this->target != NULL && this->target->getParent() != PNode::getNullParent())
151   {
152    speed = velocity.len();
153    diffVector = ((target->getAbsCoor() - this->getAbsCoor()).getNormalized());
154
155    if(velocity.dot(diffVector) != 0)
156     {
157     correctionVector = (( ( diffVector *  (speed * speed/( velocity.dot(diffVector ) ) )) - velocity).getNormalized()) * agility;
158
159      if( (diffVector *  (speed * speed/( velocity.dot(diffVector ) ) ) -velocity).len() < agility )
160       velocity = ((diffVector *  (speed * speed/( velocity.dot(diffVector ) ) )).getNormalized())*agility;
161      else if(velocity.dot(diffVector) > 0)
162        velocity += correctionVector;
163      else if (velocity.dot(diffVector) < 0)
164        velocity -= correctionVector;
165     }
166    else
167      velocity += diffVector * agility;
168
169     this->setAbsDir(Quaternion(velocity, Vector(0,1,0)) * Quaternion ( -M_PI_2, Vector(0,1,0)));
170   }
171
172  velocity *= maxVelocity/velocity.len();
173  Vector v = this->velocity * (time);
174  this->shiftCoor(v);
175
176  if(this->tickLifeCycle(time))
177    this->deactivate();
178}
179
180/**
181 *  the function gets called, when the projectile is destroyed
182 */
183void GuidedMissile::destroy ()
184{
185  Projectile::destroy();
186  PRINTF(5)("DESTROY GuidedMissile\n");
187  this->lifeCycle = .95; //!< @todo calculate this usefully.
188  this->emitter->setSystem(GuidedMissile::explosionParticles);
189
190  this->emitter->setEmissionRate(1000.0);
191  this->emitter->setEmissionVelocity(50.0);
192//  this->deactivate();
193
194}
195
196
197void GuidedMissile::draw () const
198{
199  glMatrixMode(GL_MODELVIEW);
200  glPushMatrix();
201
202  float matrix[4][4];
203  glTranslatef (this->getAbsCoor ().x, this->getAbsCoor ().y, this->getAbsCoor ().z);
204  this->getAbsDir().matrix (matrix);
205  glMultMatrixf((float*)matrix);
206  glScalef(2.0, 2.0, 2.0);
207  this->getModel()->draw();
208
209  glPopMatrix();
210
211}
212
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