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/*
* Pure Data Packet module.
* Copyright (c) by Tom Schouten <tom@zwizwa.be>
*
* 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);
}
#define UNUSED __attribute__((__unused__))
void *pdp_3d_light_new(t_floatarg fi,
t_floatarg cx UNUSED,
t_floatarg cy UNUSED,
t_floatarg cz UNUSED)
{
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
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