text: // lp_materials.h
  
  
  /* Copyright (c) 2007-2008, John Kichury
  
     This software is freely distributable free of charge and without license fees with the 
     following conditions:
  
     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     JOHN KICHURY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
     IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
     The above copyright notice must be included in any copies of this software.
  
  */
  
  #ifndef _MTL_DEFS_
  #define _MTL_DEFS_
  
  void lp_set_material_params(int n,              /* material num  */
          float Ar,float Ag,float Ab,float Aa,    /* Ambient rgba  */
          float  Dr, float Dg,float Db,float Da,  /* Diffuse rgba  */
          float  Sr,float Sg,float Sb,float Sa,   /* Specular rgba */
          float  shine,                           /* shinyness     */
          float Er,float Eg,float Eb,float Ea);   /* emission rgba */
  
  void lp_set_user_material_params(int n,         /* material num  */
          float Ar,float Ag,float Ab,float Aa,    /* Ambient rgba  */
          float  Dr, float Dg,float Db,float Da,  /* Diffuse rgba  */
          float  Sr,float Sg,float Sb,float Sa,   /* Specular rgba */
          float  shine,                           /* shinyness     */
          float Er,float Eg,float Eb,float Ea);   /* emission rgba */
  
  void lp_bind_material(int n);
  void lp_init_materials(void);
  void lp_init_materials_dlist(void);
  int  lp_is_material_alpha(int n);
  #endif
  
  
  