1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
* The ManaPlus Client
* Copyright (C) 2006-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PARTICLEEMITTER_H
#define PARTICLEEMITTER_H
#include "particleemitterprop.h"
#include "resources/animation.h"
#include "utils/xml.h"
#include <list>
class Image;
class ImageSet;
class Map;
class Particle;
/**
* Every Particle can have one or more particle emitters that create new
* particles when they are updated
*/
class ParticleEmitter final
{
public:
ParticleEmitter(const XmlNodePtr emitterNode, Particle *const target,
Map *const map, const int rotation = 0,
const std::string& dyePalettes = std::string());
/**
* Copy Constructor (necessary for reference counting of particle images)
*/
ParticleEmitter(const ParticleEmitter &o);
/**
* Assignment operator that calls the copy constructor
*/
ParticleEmitter & operator=(const ParticleEmitter &o);
/**
* Destructor.
*/
~ParticleEmitter();
/**
* Spawns new particles
* @return: a list of created particles
*/
std::list<Particle *> createParticles(const int tick);
/**
* Sets the target of the particles that are created
*/
void setTarget(Particle *const target)
{ mParticleTarget = target; }
/**
* Changes the size of the emitter so that the effect fills a
* rectangle of this size
*/
void adjustSize(const int w, const int h);
private:
template <typename T> ParticleEmitterProp<T>
readParticleEmitterProp(XmlNodePtr propertyNode, T def);
/**
* initial position of particles:
*/
ParticleEmitterProp<float> mParticlePosX, mParticlePosY, mParticlePosZ;
/**
* initial vector of particles:
*/
ParticleEmitterProp<float> mParticleAngleHorizontal,
mParticleAngleVertical;
/**
* Initial velocity of particles
*/
ParticleEmitterProp<float> mParticlePower;
/*
* Vector changing of particles:
*/
ParticleEmitterProp<float> mParticleGravity;
ParticleEmitterProp<int> mParticleRandomness;
ParticleEmitterProp<float> mParticleBounce;
bool mParticleFollow;
/*
* Properties of targeting particles:
*/
Particle *mParticleTarget;
ParticleEmitterProp<float> mParticleAcceleration;
ParticleEmitterProp<float> mParticleDieDistance;
ParticleEmitterProp<float> mParticleMomentum;
/*
* Behavior over time of the particles:
*/
ParticleEmitterProp<int> mParticleLifetime;
ParticleEmitterProp<int> mParticleFadeOut;
ParticleEmitterProp<int> mParticleFadeIn;
// Map the particles are spawned on
Map *mMap;
// Number of particles spawned per update
ParticleEmitterProp<int> mOutput;
// Pause in frames between two spawns
ParticleEmitterProp<int> mOutputPause;
int mOutputPauseLeft;
/*
* Graphical representation of the particles
*/
// Particle image, if used
Image *mParticleImage;
// Filename of particle animation file
Animation mParticleAnimation;
// Filename of particle rotation file
Animation mParticleRotation;
// Opacity of the graphical representation of the particles
ParticleEmitterProp<float> mParticleAlpha;
/*
* Death effect of the particles
*/
std::string mDeathEffect;
signed char mDeathEffectConditions;
// List of emitters the spawned particles are equipped with
std::list<ParticleEmitter> mParticleChildEmitters;
std::vector<ImageSet*> mTempSets;
};
#endif
|
