summaryrefslogtreecommitdiff
path: root/src/particle/particleengine.h
blob: a0315d481ace3e80868e6672c43f0502d7e5ad42 (plain) (blame)
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
/*
 *  The ManaPlus Client
 *  Copyright (C) 2006-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2019  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 PARTICLE_PARTICLEENGINE_H
#define PARTICLE_PARTICLEENGINE_H

#include "enums/particle/particlephysics.h"

#include <list>
#include <string>

#include "localconsts.h"

class Color;
class Font;
class Map;
class Particle;
class ParticleEmitter;

typedef std::list<Particle *> Particles;
typedef Particles::iterator ParticleIterator;
typedef Particles::const_iterator ParticleConstIterator;
typedef std::list<ParticleEmitter *> Emitters;
typedef Emitters::iterator EmitterIterator;
typedef Emitters::const_iterator EmitterConstIterator;

class ParticleEngine final
{
    public:
        static const float PARTICLE_SKY;  // Maximum Z position of particles
        static ParticlePhysicsT fastPhysics;  // Mode of squareroot calculation
        static int particleCount;         // Current number of particles
        static int maxCount;              // Maximum number of particles
        static int emitterSkip;           // Duration of pause between two
                                          // emitter updates in ticks
        static bool enabled;  // true when non-crucial particle effects
                              // are disabled

        ParticleEngine();

        A_DELETE_COPY(ParticleEngine)

        /**
         * Destructor.
         */
        ~ParticleEngine();

        /**
         * Deletes all child particles and emitters.
         */
        void clear() restrict2;

        /**
         * Gives a particle the properties of an engine root particle and loads
         * the particle-related config settings.
         */
        void setupEngine() restrict2;

        /**
         * Updates particle position, returns false when the particle should
         * be deleted.
         */
        bool update() restrict2;

        /**
         * Creates a blank particle as a child of the current particle
         * Useful for creating target particles
         */
        Particle *createChild() restrict2;

        /**
         * Creates a child particle that hosts some emitters described in the
         * particleEffectFile.
         */
        Particle *addEffect(const std::string &restrict particleEffectFile,
                            const int pixelX,
                            const int pixelY,
                            const int rotation) restrict2;

        /**
         * Creates a standalone text particle.
         */
        Particle *addTextSplashEffect(const std::string &restrict text,
                                      const int x,
                                      const int y,
                                      const Color *restrict const color,
                                      Font *restrict const font,
                                      const bool outline)
                                      restrict2 A_NONNULL(5, 6);

        /**
         * Creates a standalone text particle.
         */
        Particle *addTextRiseFadeOutEffect(const std::string &restrict text,
                                           const int x,
                                           const int y,
                                           const Color *restrict const color,
                                           Font *restrict const font,
                                           const bool outline)
                                           restrict2 A_NONNULL(5, 6);

        void setMap(Map *const map)
        { mMap = map; }

    private:
        // List of particles controlled by this particle
        Particles mChildParticles;
        Particles mChildMoveParticles;
        Map *mMap;
};

extern ParticleEngine *particleEngine;

#endif  // PARTICLE_PARTICLEENGINE_H