aboutsummaryrefslogtreecommitdiff
path: root/opengl/modules/pdp_3d_light.c
blob: b0b4a92e5097b0db2eb4bc9fdead6c3dc772ba82 (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
/*
 *   Pure Data Packet module.
 *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
 *
 *   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
 *   (at your option) 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, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */


#include <GL/gl.h>
#include "pdp_opengl.h"
#include "pdp_3dp_base.h"

typedef struct pdp_3d_light_struct
{
    t_pdp_3dp_base x_base;

    //float x_centerx;
    //float x_centery;
    //float x_centerz;
    int x_index;

} t_pdp_3d_light;



static void pdp_3d_light_process(t_pdp_3d_light *x)
{
    int p = pdp_3dp_base_get_context_packet(x);
    int i;
    GLfloat ambient[] = {.7,.7,.7,1};
    GLfloat diffuse[] = {.6,.6,.6,1};
    GLfloat specular[] = {1, 1, 1, 1};
    GLfloat shininess[] = {50};
    GLfloat position[] = {0,0,1,1};
    GLfloat intensity[] = {1,1,1,0};

    int light = GL_LIGHT0 + x->x_index;

    /* check if it's a valid buffer we can draw in */
    if (pdp_packet_3Dcontext_isvalid(p)){

	position[0] = 0; //x->x_centerx;
	position[1] = 0; //x->x_centery;
	position[2] = 0; //x->x_centerz;
	
	/* set rendering context */
	//pdp_packet_3Dcontext_set_rendering_context(p);

	/* setup lighting */
	
	glEnable(GL_LIGHTING);
	glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
	glEnable(GL_COLOR_MATERIAL);
	//glMaterialfv(GL_FRONT, GL_AMBIENT, ambient);
	glMaterialfv(GL_FRONT, GL_SPECULAR, specular);
	glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuse);
	glMaterialfv(GL_FRONT, GL_SHININESS, shininess);
	glLightfv(light, GL_POSITION, position);
	//glLightfv(light, GL_DIFFUSE, intensity);
	glEnable(light);


	/* ALPHA HACK */
	//glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_FALSE);
	//glEnable(GL_BLEND);
	//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	//glBlendFunc(GL_SRC_ALPHA, GL_ONE);
	//glEnable(GL_ALPHA_TEST);
	//glAlphaFunc(GL_GREATER, 0.f);

    }

}



//static void pdp_3d_light_centerx(t_pdp_3d_light *x, t_floatarg f){x->x_centerx = f;}
//static void pdp_3d_light_centery(t_pdp_3d_light *x, t_floatarg f){x->x_centery = f;}
//static void pdp_3d_light_centerz(t_pdp_3d_light *x, t_floatarg f){x->x_centerz = f;}


t_class *pdp_3d_light_class;



void pdp_3d_light_free(t_pdp_3d_light *x)
{
    pdp_3dp_base_free(x);
}

void *pdp_3d_light_new(t_floatarg fi, t_floatarg cx, t_floatarg cy, t_floatarg cz)
{
    t_pdp_3d_light *x = (t_pdp_3d_light *)pd_new(pdp_3d_light_class);

    /* super init */
    pdp_3dp_base_init(x);

    if (fi < 0) fi = 0;

    x->x_index = (int)fi;
    //x->x_centerx = cx;
    //x->x_centery = cy;
    //x->x_centerz = cz;

    /* io */
    //pdp_base_add_gen_inlet(x, gensym("float"), gensym("centerx"));
    //pdp_base_add_gen_inlet(x, gensym("float"), gensym("centery"));
    //pdp_base_add_gen_inlet(x, gensym("float"), gensym("centerz"));

    /* add dpd outlet */
    pdp_3dp_base_add_outlet(x,  (t_pdp_method)pdp_3d_light_process, 0);

    return (void *)x;
}


#ifdef __cplusplus
extern "C"
{
#endif


void pdp_3d_light_setup(void)
{


    pdp_3d_light_class = class_new(gensym("3dp_light"), (t_newmethod)pdp_3d_light_new,
    	(t_method)pdp_3d_light_free, sizeof(t_pdp_3d_light), 0, 
				   A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_NULL);

    pdp_3dp_base_setup(pdp_3d_light_class);

    //class_addmethod(pdp_3d_light_class, (t_method)pdp_3d_light_centerx, gensym("centerx"),  A_DEFFLOAT, A_NULL);   
    //class_addmethod(pdp_3d_light_class, (t_method)pdp_3d_light_centery, gensym("centery"),  A_DEFFLOAT, A_NULL);   
    //class_addmethod(pdp_3d_light_class, (t_method)pdp_3d_light_centerz, gensym("centerz"),  A_DEFFLOAT, A_NULL);   

}

#ifdef __cplusplus
}
#endif