diff options
Diffstat (limited to 'opengl/modules/pdp_3d_light.c')
| -rw-r--r-- | opengl/modules/pdp_3d_light.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/opengl/modules/pdp_3d_light.c b/opengl/modules/pdp_3d_light.c new file mode 100644 index 0000000..b0b4a92 --- /dev/null +++ b/opengl/modules/pdp_3d_light.c @@ -0,0 +1,155 @@ +/* + * 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 |