97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
|
/*
|
||
|
|
Copyright (C) 1996-2008 by Jan Eric Kyprianidis <www.kyprianidis.com>
|
||
|
|
All rights reserved.
|
||
|
|
|
||
|
|
This program is free software: you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU Lesser General Public License as published
|
||
|
|
by the Free Software Foundation, either version 2.1 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
Thisprogram 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 Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public License
|
||
|
|
along with this program; If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
#include "lib3ds_impl.h"
|
||
|
|
|
||
|
|
|
||
|
|
void
|
||
|
|
lib3ds_shadow_read(Lib3dsShadow *shadow, Lib3dsIo *io) {
|
||
|
|
Lib3dsChunk c;
|
||
|
|
|
||
|
|
lib3ds_chunk_read(&c, io);
|
||
|
|
switch (c.chunk) {
|
||
|
|
case CHK_SHADOW_MAP_SIZE: {
|
||
|
|
shadow->map_size = lib3ds_io_read_intw(io);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case CHK_LO_SHADOW_BIAS: {
|
||
|
|
shadow->low_bias = lib3ds_io_read_float(io);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case CHK_HI_SHADOW_BIAS: {
|
||
|
|
shadow->hi_bias = lib3ds_io_read_float(io);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case CHK_SHADOW_FILTER: {
|
||
|
|
shadow->filter = lib3ds_io_read_float(io);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case CHK_RAY_BIAS: {
|
||
|
|
shadow->ray_bias = lib3ds_io_read_float(io);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void
|
||
|
|
lib3ds_shadow_write(Lib3dsShadow *shadow, Lib3dsIo *io) {
|
||
|
|
if (fabs(shadow->low_bias) > LIB3DS_EPSILON) { /*---- CHK_LO_SHADOW_BIAS ----*/
|
||
|
|
Lib3dsChunk c;
|
||
|
|
c.chunk = CHK_LO_SHADOW_BIAS;
|
||
|
|
c.size = 10;
|
||
|
|
lib3ds_chunk_write(&c, io);
|
||
|
|
lib3ds_io_write_float(io, shadow->low_bias);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fabs(shadow->hi_bias) > LIB3DS_EPSILON) { /*---- CHK_HI_SHADOW_BIAS ----*/
|
||
|
|
Lib3dsChunk c;
|
||
|
|
c.chunk = CHK_HI_SHADOW_BIAS;
|
||
|
|
c.size = 10;
|
||
|
|
lib3ds_chunk_write(&c, io);
|
||
|
|
lib3ds_io_write_float(io, shadow->hi_bias);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (shadow->map_size) { /*---- CHK_SHADOW_MAP_SIZE ----*/
|
||
|
|
Lib3dsChunk c;
|
||
|
|
c.chunk = CHK_SHADOW_MAP_SIZE;
|
||
|
|
c.size = 8;
|
||
|
|
lib3ds_chunk_write(&c, io);
|
||
|
|
lib3ds_io_write_intw(io, shadow->map_size);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fabs(shadow->filter) > LIB3DS_EPSILON) { /*---- CHK_SHADOW_FILTER ----*/
|
||
|
|
Lib3dsChunk c;
|
||
|
|
c.chunk = CHK_SHADOW_FILTER;
|
||
|
|
c.size = 10;
|
||
|
|
lib3ds_chunk_write(&c, io);
|
||
|
|
lib3ds_io_write_float(io, shadow->filter);
|
||
|
|
}
|
||
|
|
if (fabs(shadow->ray_bias) > LIB3DS_EPSILON) { /*---- CHK_RAY_BIAS ----*/
|
||
|
|
Lib3dsChunk c;
|
||
|
|
c.chunk = CHK_RAY_BIAS;
|
||
|
|
c.size = 10;
|
||
|
|
lib3ds_chunk_write(&c, io);
|
||
|
|
lib3ds_io_write_float(io, shadow->ray_bias);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|