Project::OSiRiON - Git repositories
Project::OSiRiON
News . About . Screenshots . Downloads . Forum . Wiki . Tracker . Git
summaryrefslogtreecommitdiff
blob: c2d9c02ec2f16795d6ffaf798b3400168397410d (plain)
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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
/*
   render/particles.h
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#ifndef __INCLUDED_RENDER_PARTICLES_H__
#define __INCLUDED_RENDER_PARTICLES_H__

#include <deque>

#include "math/axis.h"
#include "math/color.h"
#include "math/vector3f.h"
#include "core/entity.h"
#include "model/tags.h"

namespace render
{

/* ---- class Particle --------------------------------------------- */

/// one particle
class Particle
{
public:
	Particle(const math::Vector3f &location, float time);
	Particle(const math::Vector3f &location, const math::Axis &axis, float time);

	/// location of the particle, in world coordinates
	inline math::Vector3f &location() {
		return particle_location;
	}

	inline math::Axis &axis() {
		return particle_axis;
	}

	inline const float time() const {
		return particle_time;
	}

protected:
	math::Vector3f	particle_location;
	math::Axis  	particle_axis;

	float		particle_time;
};

/* ---- class ParticleScript --------------------------------------- */

/// class to hold particle scripts
class ParticleScript
{
public:

	enum Type {Jet = 0, Trail = 1, Flame = 2, Spray = 3 };

	inline const Type type() const {
		return particlescript_type;
	}

	inline const std::string &label() const {
		return particlescript_label;
	}

	inline const std::string &texture() const {
		return particlescript_texture;
	}

	inline const math::Color &color() const {
		return particlescript_color;
	}
	
	inline bool has_color() const {
		return particlescript_has_color;
	}
	
	/// axis transformation relative to the ejector
	inline const math::Axis &axis() const {
		return particlescript_axis;
	}

	/// true if entity color is to be applied
	inline bool engine() const {
		return particlescript_engine;
	}
	
	/// true if engine color is to be applied
	inline bool entity() const {
		return particlescript_entity;
	}
	
	inline float radius() const {
		return particlescript_radius;
	}

	inline float timeout() const {
		return particlescript_timeout;
	}

	inline float eject() const {
		return particlescript_eject;
	}

	inline float speed() const {
		return particlescript_speed;
	}

	inline float alpha() const {
		return particlescript_alpha;
	}

	inline float offset() const {
		return particlescript_offset;
	}
	
	inline const model::Cull cull() const {
		return particlescript_cull;
	}

	inline const ParticleScript *next() const {
		return particlescript_next;
	}
	
	static ParticleScript *load(const std::string &label);

	static void clear();

	static void list();
	
private:
	static ParticleScript *find(const std::string &label);

	ParticleScript(const std::string & label);
	~ParticleScript();

	std::string	particlescript_label;
	std::string	particlescript_texture;
	Type		particlescript_type;
	math::Color	particlescript_color;
	math::Axis	particlescript_axis;
	
	bool		particlescript_entity;
	bool		particlescript_engine;
	bool		particlescript_has_color;

	float 		particlescript_radius;
	float		particlescript_timeout;
	float		particlescript_eject;
	float 		particlescript_speed;
	float		particlescript_alpha;
	float		particlescript_offset;
	
	model::Cull	particlescript_cull;
	
	ParticleScript *particlescript_next;

	typedef std::map<std::string, ParticleScript *> Registry;

	static Registry particlescript_registry;
};

/* ---- class ParticleSystem --------------------------------------- */

/// abstract base class for a particle system attached to an entity
class ParticleSystem
{
public:
	ParticleSystem(const ParticleScript *script, const core::Entity *entity, const model::Particles *modelclass);
	virtual ~ParticleSystem();

	/// index of the texture to use
	inline const size_t texture() const {
		return particlesystem_texture;
	}

	/// location of the particle system within the entity
	inline const math::Vector3f &location() const {
		return particlesystem_location;
	}

	/// axis of the particle system within the entity
	inline const math::Axis &axis() const {
		return particlesystem_axis;
	}

	inline const model::Cull cull() const {
		return particlesystem_cull;
	}
	
	/// color of the particles
	inline const math::Color & color() const {
		return particlesystem_color;
	}

	virtual void draw(const float elapsed);

	void set_timeout(float timeout);

	void set_eject(float eject);

	/// clear all particles
	void clear();

protected:
	typedef std::deque<Particle *> Stream;

	inline Stream & stream() {
		return particlesystem_stream;
	}
	Stream		particlesystem_stream;
	
	math::Axis	particlesystem_axis;
	math::Vector3f	particlesystem_location;
	math::Vector3f  ejector_location;
	math::Color	particlesystem_color;
	model::Cull	particlesystem_cull;
	
	
	bool		ejector_active;
	float		particlesystem_last_eject;
	float		particlesystem_radius;
	float		now;

	size_t		particlesystem_texture;

	const model::Particles 	*particlesystem_modelclass;
	const ParticleScript	*particlesystem_script;
	const core::Entity	*particlesystem_entity;
};

/* ---- class Flame ------------------------------------------------ */

/// flame style particles, like engine flames
class Flame : public ParticleSystem
{
public:
	Flame(const ParticleScript *script, const core::Entity *entity, const model::Particles *modelclass);
	virtual ~Flame();

	virtual void draw(const float elapsed);
};

/* ---- class Jet -------------------------------------------------- */

/// jet style particles, like smoke
class Jet : public ParticleSystem
{
public:
	Jet(const ParticleScript *script, const core::Entity *entity, const model::Particles *modelclass);
	virtual ~Jet();

	virtual void draw(const float elapsed);
};

/* ---- class Trail ------------------------------------------------ */

/// trail style particles, like an engine trail
class Trail : public ParticleSystem
{
public:
	Trail(const ParticleScript *script, const core::Entity *entity, const model::Particles *modelclass);
	virtual ~Trail();

	virtual void draw(float elapsed);
};

/* ---- class Spray ----------------------------------------------- */

/**
 * @brief spray style particles
 * a spray is a sprite ejector
 * */
class Spray : public ParticleSystem
{
public:
	Spray(const ParticleScript *script, const core::Entity *entity, const model::Particles *modelclass);
	virtual ~Spray();

	virtual void draw(const float elapsed);
};

} // namespace render

#endif // __INCLUDED_RENDER_PARTICLES_H__