summaryrefslogtreecommitdiff
path: root/servers/visual/particle_system_sw.h
blob: 2b18c7f4e3ca7da79f3258ce6d0f653037f0d30e (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
/*************************************************************************/
/*  particle_system_sw.h                                                 */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#ifndef PARTICLE_SYSTEM_SW_H
#define PARTICLE_SYSTEM_SW_H

/**
	@author Juan Linietsky <reduzio@gmail.com>
*/

#include "servers/visual_server.h"

struct ParticleSystemSW {
	enum {
	
		MAX_PARTICLES=1024
	};

	float particle_vars[VS::PARTICLE_VAR_MAX];
	float particle_randomness[VS::PARTICLE_VAR_MAX];
	
	Vector3 emission_half_extents;
	DVector<Vector3> emission_points;
	Vector3 gravity_normal;
	Vector3 emission_base_velocity;
	int amount;
	bool emitting;
	bool height_from_velocity;
	AABB visibility_aabb;
	bool sort;
	bool local_coordinates;
			
	struct ColorPhase {
		
		float pos;
		Color color;
		ColorPhase() { pos=1.0; color=Color(0.0,0.0,1.0,1.0); }
	};
		
	int color_phase_count;
	ColorPhase color_phases[VS::MAX_PARTICLE_COLOR_PHASES];


	struct Attractor {

		Vector3 pos;
		float force;
	};
	
	int attractor_count;
	Attractor attractors[VS::MAX_PARTICLE_ATTRACTORS];


	ParticleSystemSW();	
	~ParticleSystemSW();

};


struct ParticleSystemProcessSW {

	enum {
		PARTICLE_RANDOM_NUMBERS = 8,
	};

	struct ParticleData {
			
		Vector3 pos;
		Vector3 vel;
		float rot;
		bool active;
		float random[PARTICLE_RANDOM_NUMBERS];

		ParticleData() { active=0; rot=0; }
	};


	bool valid;
	float particle_system_time;
	uint32_t rand_seed;	
	Vector<ParticleData> particle_data;

	void process(const ParticleSystemSW *p_system,const Transform& p_transform,float p_time);

	ParticleSystemProcessSW();
};

struct ParticleSystemDrawInfoSW {

	struct ParticleDrawInfo {

		const ParticleSystemProcessSW::ParticleData *data;
		float d;
		Transform transform;
		Color color;

	};

	ParticleDrawInfo draw_info[ParticleSystemSW::MAX_PARTICLES];
	ParticleDrawInfo *draw_info_order[ParticleSystemSW::MAX_PARTICLES];

	void prepare(const ParticleSystemSW *p_system,const ParticleSystemProcessSW *p_process,const Transform& p_system_transform,const Transform& p_camera_transform);

};

#endif