material.cpp

最新osg包

          }
        }
        break;
      case LIB3DS_MAT_OPACMASK:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->opacity_mask, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_BUMPMAP:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->bump_map, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_BUMPMASK:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->bump_mask, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_SPECMAP:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->specular_map, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_SPECMASK:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->specular_mask, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_SHINMAP:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->shininess_map, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_SHINMASK:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->shininess_mask, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_SELFIMAP:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->self_illum_map, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_SELFIMASK:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->self_illum_mask, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_REFLMAP:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->reflection_map, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_REFLMASK:
        {
          lib3ds_chunk_read_reset(&c, f);
          if (!texture_map_read(&material->reflection_mask, f)) {
            return(LIB3DS_FALSE);
          }
        }
        break;
      case LIB3DS_MAT_ACUBIC:
        {
          lib3ds_intb_read(f);
          material->autorefl_map.level=lib3ds_intb_read(f);
          material->autorefl_map.flags=lib3ds_intw_read(f);
          material->autorefl_map.size=lib3ds_intd_read(f);
          material->autorefl_map.frame_step=lib3ds_intd_read(f);
        }
        break;
      default:
        lib3ds_chunk_unknown(chunk);
    }
  }

  lib3ds_chunk_read_end(&c, f);
  return(LIB3DS_TRUE);
}


static Lib3dsBool
color_write(Lib3dsRgba rgb, FILE *f)
{
  Lib3dsChunk c;

  c.chunk=LIB3DS_COLOR_24;
  c.size=9;
  lib3ds_chunk_write(&c,f);
  lib3ds_byte_write((Lib3dsByte)floor(255.0*rgb[0]+0.5),f);
  lib3ds_byte_write((Lib3dsByte)floor(255.0*rgb[1]+0.5),f);
  lib3ds_byte_write((Lib3dsByte)floor(255.0*rgb[2]+0.5),f);

  c.chunk=LIB3DS_LIN_COLOR_24;
  c.size=9;
  lib3ds_chunk_write(&c,f);
  lib3ds_byte_write((Lib3dsByte)floor(255.0*rgb[0]+0.5),f);
  lib3ds_byte_write((Lib3dsByte)floor(255.0*rgb[1]+0.5),f);
  lib3ds_byte_write((Lib3dsByte)floor(255.0*rgb[2]+0.5),f);

  return(LIB3DS_TRUE);
}


static Lib3dsBool
int_percentage_write(Lib3dsFloat p, FILE *f)
{
  Lib3dsChunk c;

  c.chunk=LIB3DS_INT_PERCENTAGE;
  c.size=8;
  lib3ds_chunk_write(&c,f);
  lib3ds_intw_write((Lib3dsByte)floor(100.0*p+0.5),f);

  return(LIB3DS_TRUE);
}


static Lib3dsBool
texture_map_write(Lib3dsWord chunk, Lib3dsTextureMap *map, FILE *f)
{
  Lib3dsChunk c;

  if (strlen(map->name)==0) {
    return(LIB3DS_TRUE);
  }
  c.chunk=chunk;
  if (!lib3ds_chunk_write_start(&c,f)) {
    return(LIB3DS_FALSE);
  }
  
  int_percentage_write(map->percent,f);

  { /*---- LIB3DS_MAT_MAPNAME ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAPNAME;
    c.size=6+strlen(map->name)+1;
    lib3ds_chunk_write(&c,f);
    lib3ds_string_write(map->name,f);
  }

  { /*---- LIB3DS_MAT_MAP_TILING ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_TILING;
    c.size=8;
    lib3ds_chunk_write(&c,f);
    lib3ds_word_write((Lib3dsWord)map->flags,f);
  }
  
  { /*---- LIB3DS_MAT_MAP_TEXBLUR ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_TEXBLUR;
    c.size=10;
    lib3ds_chunk_write(&c,f);
    lib3ds_float_write(map->blur,f);
  }

  { /*---- LIB3DS_MAT_MAP_USCALE ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_USCALE;
    c.size=10;
    lib3ds_chunk_write(&c,f);
    lib3ds_float_write(map->scale[0],f);
  }

  { /*---- LIB3DS_MAT_MAP_VSCALE ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_VSCALE;
    c.size=10;
    lib3ds_chunk_write(&c,f);
    lib3ds_float_write(map->scale[1],f);
  }

  { /*---- LIB3DS_MAT_MAP_UOFFSET ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_UOFFSET;
    c.size=10;
    lib3ds_chunk_write(&c,f);
    lib3ds_float_write(map->offset[0],f);
  }

  { /*---- LIB3DS_MAT_MAP_VOFFSET ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_VOFFSET;
    c.size=10;
    lib3ds_chunk_write(&c,f);
    lib3ds_float_write(map->offset[1],f);
  }

  { /*---- LIB3DS_MAT_MAP_ANG ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_ANG;
    c.size=10;
    lib3ds_chunk_write(&c,f);
    lib3ds_float_write(map->rotation,f);
  }

  { /*---- LIB3DS_MAT_MAP_COL1 ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_COL1;
    c.size=9;
    lib3ds_chunk_write(&c,f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_1[0]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_1[1]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_1[2]+0.5), f);
  }

  { /*---- LIB3DS_MAT_MAP_COL2 ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_COL2;
    c.size=9;
    lib3ds_chunk_write(&c,f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_2[0]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_2[1]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_2[2]+0.5), f);
  }
  
  { /*---- LIB3DS_MAT_MAP_RCOL ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_RCOL;
    c.size=9;
    lib3ds_chunk_write(&c,f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_r[0]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_r[1]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_r[2]+0.5), f);
  }

  { /*---- LIB3DS_MAT_MAP_GCOL ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_GCOL;
    c.size=9;
    lib3ds_chunk_write(&c,f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_g[0]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_g[1]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_g[2]+0.5), f);
  }
  
  { /*---- LIB3DS_MAT_MAP_BCOL ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_MAP_BCOL;
    c.size=9;
    lib3ds_chunk_write(&c,f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_b[0]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_b[1]+0.5), f);
    lib3ds_byte_write((Lib3dsByte)floor(255.0*map->tint_b[2]+0.5), f);
  }

  if (!lib3ds_chunk_write_end(&c,f)) {
    return(LIB3DS_FALSE);
  }
  return(LIB3DS_TRUE);
}


/*!
 * \ingroup material
 */
Lib3dsBool
lib3ds_material_write(Lib3dsMaterial *material, FILE *f)
{
  Lib3dsChunk c;

  c.chunk=LIB3DS_MAT_ENTRY;
  if (!lib3ds_chunk_write_start(&c,f)) {
    return(LIB3DS_FALSE);
  }

  { /*---- LIB3DS_MAT_NAME ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_NAME;
    c.size=6+strlen(material->name)+1;
    lib3ds_chunk_write(&c,f);
    lib3ds_string_write(material->name,f);
  }

  { /*---- LIB3DS_MAT_AMBIENT ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_AMBIENT;
    c.size=24;
    lib3ds_chunk_write(&c,f);
    color_write(material->ambient,f);
  }

  { /*---- LIB3DS_MAT_DIFFUSE ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_DIFFUSE;
    c.size=24;
    lib3ds_chunk_write(&c,f);
    color_write(material->diffuse,f);
  }

  { /*---- LIB3DS_MAT_SPECULAR ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_SPECULAR;
    c.size=24;
    lib3ds_chunk_write(&c,f);
    color_write(material->specular,f);
  }

  { /*---- LIB3DS_MAT_SHININESS ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_SHININESS;
    c.size=14;
    lib3ds_chunk_write(&c,f);
    int_percentage_write(material->shininess,f);
  }

  { /*---- LIB3DS_MAT_SHIN2PCT ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_SHIN2PCT;
    c.size=14;
    lib3ds_chunk_write(&c,f);
    int_percentage_write(material->shin_strength,f);
  }

  { /*---- LIB3DS_MAT_TRANSPARENCY ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_TRANSPARENCY;
    c.size=14;
    lib3ds_chunk_write(&c,f);
    int_percentage_write(material->transparency,f);
  }

  { /*---- LIB3DS_MAT_XPFALL ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_XPFALL;
    c.size=14;
    lib3ds_chunk_write(&c,f);
    int_percentage_write(material->falloff,f);
  }

  if (material->use_falloff) { /*---- LIB3DS_MAT_USE_XPFALL ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_USE_XPFALL;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  { /*---- LIB3DS_MAT_SHADING ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_SHADING;
    c.size=8;
    lib3ds_chunk_write(&c,f);
    lib3ds_intw_write(material->shading,f);
  }

  { /*---- LIB3DS_MAT_REFBLUR ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_REFBLUR;
    c.size=14;
    lib3ds_chunk_write(&c,f);
    int_percentage_write(material->blur,f);
  }

  if (material->use_blur) { /*---- LIB3DS_MAT_USE_REFBLUR ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_USE_REFBLUR;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  if (material->self_illum) { /*---- LIB3DS_MAT_SELF_ILLUM ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_SELF_ILLUM;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  if (material->two_sided) { /*---- LIB3DS_MAT_TWO_SIDE ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_TWO_SIDE;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }
  
  if (material->map_decal) { /*---- LIB3DS_MAT_DECAL ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_DECAL;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  if (material->additive) { /*---- LIB3DS_MAT_ADDITIVE ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_ADDITIVE;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  if (material->use_wire) { /*---- LIB3DS_MAT_WIRE ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_WIRE;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  if (material->use_wire_abs) { /*---- LIB3DS_MAT_WIREABS ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_WIREABS;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  { /*---- LIB3DS_MAT_WIRE_SIZE ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_WIRE_SIZE;
    c.size=10;
    lib3ds_chunk_write(&c,f);
    lib3ds_float_write(material->wire_size,f);
  }

  if (material->face_map) { /*---- LIB3DS_MAT_FACEMAP ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_FACEMAP;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  if (material->soften) { /*---- LIB3DS_MAT_PHONGSOFT ----*/
    Lib3dsChunk c;
    c.chunk=LIB3DS_MAT_PHONGSOFT;
    c.size=6;
    lib3ds_chunk_write(&c,f);
  }

  if (!texture_map_write(LIB3DS_MAT_TEXMAP, &material->texture1_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_TEXMASK, &material->texture1_mask, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_TEX2MAP, &material->texture2_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_TEX2MASK, &material->texture2_mask, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_OPACMAP, &material->opacity_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_OPACMASK, &material->opacity_mask, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_BUMPMAP, &material->bump_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_BUMPMASK, &material->bump_mask, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_SPECMAP, &material->specular_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_SPECMASK, &material->specular_mask, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_SHINMAP, &material->shininess_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_SHINMASK, &material->shininess_mask, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_SELFIMAP, &material->self_illum_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_SELFIMASK, &material->self_illum_mask, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_REFLMAP,  &material->reflection_map, f)) {
    return(LIB3DS_FALSE);
  }
  if (!texture_map_write(LIB3DS_MAT_REFLMASK,  &material->reflection_mask, f)) {
    return(LIB3DS_FALSE);
  }

  if (!lib3ds_chunk_write_end(&c,f)) {
    return(LIB3DS_FALSE);
  }
  return(LIB3DS_TRUE);
}


/*!

\typedef Lib3dsMaterial
  \ingroup material
  \sa _Lib3dsMaterial

*/