1/*
2
3Copyright (c) 2002, Calum Robinson
4All rights reserved.
5
6Redistribution and use in source and binary forms, with or without
7modification, are permitted provided that the following conditions are met:
8
9* Redistributions of source code must retain the above copyright notice, this
10  list of conditions and the following disclaimer.
11
12* Redistributions in binary form must reproduce the above copyright notice,
13  this list of conditions and the following disclaimer in the documentation
14  and/or other materials provided with the distribution.
15
16* Neither the name of the author nor the names of its contributors may be used
17  to endorse or promote products derived from this software without specific
18  prior written permission.
19
20THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
21ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
24ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
27ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31*/
32#ifndef _SHARED_H_
33#define _SHARED_H_
34
35
36#include <math.h>
37#include <stdio.h>
38#include <stdlib.h>
39
40#include <GL/gl.h>
41#include <GL/glu.h>
42
43
44struct SmokeV;
45struct Spark;
46struct Star;
47
48
49#define MAX_SPARKS 64
50#define seraphDistance 2000.0f
51
52/* used to compute the min and max of two expresions */
53#define MIN_(a, b)  (((a) < (b)) ? (a) : (b))
54#define MAX_(a, b)  (((a) > (b)) ? (a) : (b))
55
56#define random() rand()
57#define RandFlt(min, max) (min + (max - min) * rand() / (float) RAND_MAX)
58#define RandBell(scale) (scale * (1.0f - (rand() + rand() + rand()) / ((float) RAND_MAX * 1.5f)))
59
60
61typedef enum _ColorModes
62{
63	redColorMode = 0,
64	magentaColorMode,
65	blueColorMode,
66	cyanColorMode,
67	greenColorMode,
68	yellowColorMode,
69	slowCyclicColorMode,
70	cyclicColorMode,
71	tiedyeColorMode,
72	rainbowColorMode,
73	whiteColorMode,
74	multiColorMode,
75	darkColorMode
76} ColorModes;
77
78
79typedef struct flurry_info_t {
80	flurry_info_t *next;
81	ColorModes currentColorMode;
82	SmokeV *s;
83	Star *star;
84	Spark *spark[MAX_SPARKS];
85	float streamExpansion;
86	int numStreams;
87	double randomSeed;
88	double fTime;
89	double fOldTime;
90	double fDeltaTime;
91	double briteFactor;
92	float drag;
93	int dframe;
94	float sys_glWidth;
95	float sys_glHeight;
96} flurry_info_t;
97
98
99#endif	// _SHARED_H_
100