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/*
  This is part of Patchwork13! the real-time data synthesis toolkit.
  http://patchwork13.sourceforge.net/

  pw13_std - the patchwork13 standard patches library
  Copyright (C) 2005 Bruno Malaquin <broen.42@gmail.com>

  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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*

  light.pw13p.c  -  SDL opengl light patch

*/
#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
#include <SDL_opengl.h>
#include <pw13/pw13.h>
#include <std/float.pw13dt.h>

GLfloat LightAmbient[]  = { 0.5f, 0.5f, 0.5f, 1.0f };
GLfloat LightDiffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

static void pw13_sdl_light_pump (Pw13_Patch *p, Pw13_Time *time)
{
  GLfloat LightPosition[] = { pw13_float_input_val(p->input+1),
			      pw13_float_input_val(p->input+2),
			      pw13_float_input_val(p->input+3), 1.0f };

  pw13_pump_sources (p, time);

  glLightfv( GL_LIGHT1, GL_AMBIENT, LightAmbient );
  glLightfv( GL_LIGHT1, GL_DIFFUSE, LightDiffuse );
  glLightfv( GL_LIGHT1, GL_POSITION, LightPosition );

  glEnable( GL_LIGHT1 );
}

PW13_EXPORT
int pw13_dl_patch_class_init (const char *name, Pw13_Patch *p, void *param)
{
  param = param;
  pw13_patch_init (name, p, 4, 1);
  pw13_void_input ("()", p->input, p);
  pw13_float_input ("x", p->input+1, p, 0.0f);
  pw13_float_input ("y", p->input+2, p, 0.0f);
  pw13_float_input ("z", p->input+3, p, 2.0f);
  pw13_void_output ("()", p->output, p);
  p->pump = pw13_sdl_light_pump;
  return 1;
}
thodg/patchwork13/sdl/gl/light.pw13p.c

Commit

sdl/gl/light.pw13p.c
