diff options
Diffstat (limited to '3rdparty/lib3ds/light.c')
| -rw-r--r-- | 3rdparty/lib3ds/light.c | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/3rdparty/lib3ds/light.c b/3rdparty/lib3ds/light.c deleted file mode 100644 index 99a3ee68..00000000 --- a/3rdparty/lib3ds/light.c +++ /dev/null @@ -1,414 +0,0 @@ -/* - * The 3D Studio File Format Library - * Copyright (C) 1996-2007 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. - * - * 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 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, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * $Id: light.c,v 1.15 2007/06/20 17:04:08 jeh Exp $ - */ -#include <lib3ds/light.h> -#include <lib3ds/chunk.h> -#include <lib3ds/io.h> -#include <stdlib.h> -#include <math.h> -#include <string.h> - - -/*! - * \defgroup light Lights - */ - - -/*! - * \ingroup light - */ -Lib3dsLight* -lib3ds_light_new(const char *name) -{ - Lib3dsLight *light; - - ASSERT(name); - ASSERT(strlen(name)<64); - - light=(Lib3dsLight*)calloc(sizeof(Lib3dsLight), 1); - if (!light) { - return(0); - } - strcpy(light->name, name); - return(light); -} - - -/*! - * \ingroup light - */ -void -lib3ds_light_free(Lib3dsLight *light) -{ - memset(light, 0, sizeof(Lib3dsLight)); - free(light); -} - - -/*! - * \ingroup light - */ -void -lib3ds_light_dump(Lib3dsLight *light) -{ - ASSERT(light); - printf(" name: %s\n", light->name); - printf(" spot_light: %s\n", light->spot_light ? "yes" : "no"); - printf(" see_cone: %s\n", light->see_cone ? "yes" : "no"); - printf(" color: (%f, %f, %f)\n", - light->color[0], light->color[1], light->color[2]); - printf(" position (%f, %f, %f)\n", - light->position[0], light->position[1], light->position[2]); - printf(" spot (%f, %f, %f)\n", - light->spot[0], light->spot[1], light->spot[2]); - printf(" roll: %f\n", light->roll); - printf(" off: %s\n", light->off ? "yes" : "no"); - printf(" outer_range: %f\n", light->outer_range); - printf(" inner_range: %f\n", light->inner_range); - printf(" multiplier: %f\n", light->multiplier); - printf(" attenuation: %f\n", light->attenuation); - printf(" rectangular_spot: %s\n", light->rectangular_spot ? "yes" : "no"); - printf(" shadowed: %s\n", light->shadowed ? "yes" : "no"); - printf(" shadow_bias: %f\n", light->shadow_bias); - printf(" shadow_filter: %f\n", light->shadow_filter); - printf(" shadow_size: %d\n", light->shadow_size); - printf(" spot_aspect: %f\n", light->spot_aspect); - printf(" use_projector: %s\n", light->use_projector ? "yes" : "no"); - printf(" projector: %s\n", light->projector); - printf(" spot_overshoot: %d\n", (int)light->spot_overshoot); - printf(" ray_shadows: %s\n", light->ray_shadows ? "yes" : "no"); - printf(" ray_bias: %f\n", light->ray_bias); - printf(" hot_spot: %f\n", light->hot_spot); - printf(" fall_off: %f\n", light->fall_off); - printf("\n"); -} - - -/*! - * \ingroup light - */ -static Lib3dsBool -spotlight_read(Lib3dsLight *light, Lib3dsIo *io) -{ - Lib3dsChunk c; - Lib3dsWord chunk; - int i; - - if (!lib3ds_chunk_read_start(&c, LIB3DS_DL_SPOTLIGHT, io)) { - return(LIB3DS_FALSE); - } - light->spot_light=LIB3DS_TRUE; - for (i=0; i<3; ++i) { - light->spot[i]=lib3ds_io_read_float(io); - } - light->hot_spot = lib3ds_io_read_float(io); - light->fall_off = lib3ds_io_read_float(io); - lib3ds_chunk_read_tell(&c, io); - - while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) { - switch (chunk) { - case LIB3DS_DL_SPOT_ROLL: - { - light->roll=lib3ds_io_read_float(io); - } - break; - case LIB3DS_DL_SHADOWED: - { - light->shadowed=LIB3DS_TRUE; - } - break; - case LIB3DS_DL_LOCAL_SHADOW2: - { - light->shadow_bias=lib3ds_io_read_float(io); - light->shadow_filter=lib3ds_io_read_float(io); - light->shadow_size=lib3ds_io_read_intw(io); - } - break; - case LIB3DS_DL_SEE_CONE: - { - light->see_cone=LIB3DS_TRUE; - } - break; - case LIB3DS_DL_SPOT_RECTANGULAR: - { - light->rectangular_spot=LIB3DS_TRUE; - } - break; - case LIB3DS_DL_SPOT_ASPECT: - { - light->spot_aspect=lib3ds_io_read_float(io); - } - break; - case LIB3DS_DL_SPOT_PROJECTOR: - { - light->use_projector=LIB3DS_TRUE; - if (!lib3ds_io_read_string(io, light->projector, 64)) { - return(LIB3DS_FALSE); - } - } - case LIB3DS_DL_SPOT_OVERSHOOT: - { - light->spot_overshoot=LIB3DS_TRUE; - } - break; - case LIB3DS_DL_RAY_BIAS: - { - light->ray_bias=lib3ds_io_read_float(io); - } - break; - case LIB3DS_DL_RAYSHAD: - { - light->ray_shadows=LIB3DS_TRUE; - } - break; - default: - lib3ds_chunk_unknown(chunk); - } - } - - lib3ds_chunk_read_end(&c, io); - return(LIB3DS_TRUE); -} - - -/*! - * \ingroup light - */ -Lib3dsBool -lib3ds_light_read(Lib3dsLight *light, Lib3dsIo *io) -{ - Lib3dsChunk c; - Lib3dsWord chunk; - - if (!lib3ds_chunk_read_start(&c, LIB3DS_N_DIRECT_LIGHT, io)) { - return(LIB3DS_FALSE); - } - { - int i; - for (i=0; i<3; ++i) { - light->position[i]=lib3ds_io_read_float(io); - } - } - lib3ds_chunk_read_tell(&c, io); - - while ((chunk=lib3ds_chunk_read_next(&c, io))!=0) { - switch (chunk) { - case LIB3DS_COLOR_F: - { - int i; - for (i=0; i<3; ++i) { - light->color[i]=lib3ds_io_read_float(io); - } - } - break; - case LIB3DS_DL_OFF: - { - light->off=LIB3DS_TRUE; - } - break; - case LIB3DS_DL_OUTER_RANGE: - { - light->outer_range=lib3ds_io_read_float(io); - } - break; - case LIB3DS_DL_INNER_RANGE: - { - light->inner_range=lib3ds_io_read_float(io); - } - break; - case LIB3DS_DL_MULTIPLIER: - { - light->multiplier=lib3ds_io_read_float(io); - } - break; - case LIB3DS_DL_EXCLUDE: - { - /* FIXME: */ - lib3ds_chunk_unknown(chunk); - } - case LIB3DS_DL_ATTENUATE: - { - light->attenuation=lib3ds_io_read_float(io); - } - break; - case LIB3DS_DL_SPOTLIGHT: - { - lib3ds_chunk_read_reset(&c, io); - if (!spotlight_read(light, io)) { - return(LIB3DS_FALSE); - } - } - break; - default: - lib3ds_chunk_unknown(chunk); - } - } - - lib3ds_chunk_read_end(&c, io); - return(LIB3DS_TRUE); -} - - -/*! - * \ingroup light - */ -Lib3dsBool -lib3ds_light_write(Lib3dsLight *light, Lib3dsIo *io) -{ - Lib3dsChunk c; - - c.chunk=LIB3DS_N_DIRECT_LIGHT; - if (!lib3ds_chunk_write_start(&c,io)) { - return(LIB3DS_FALSE); - } - lib3ds_io_write_vector(io, light->position); - { /*---- LIB3DS_COLOR_F ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_COLOR_F; - c.size=18; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_rgb(io, light->color); - } - if (light->off) { /*---- LIB3DS_DL_OFF ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_OFF; - c.size=6; - lib3ds_chunk_write(&c, io); - } - { /*---- LIB3DS_DL_OUTER_RANGE ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_OUTER_RANGE; - c.size=10; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_float(io, light->outer_range); - } - { /*---- LIB3DS_DL_INNER_RANGE ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_INNER_RANGE; - c.size=10; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_float(io, light->inner_range); - } - { /*---- LIB3DS_DL_MULTIPLIER ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_MULTIPLIER; - c.size=10; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_float(io, light->multiplier); - } - if (light->attenuation) { /*---- LIB3DS_DL_ATTENUATE ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_ATTENUATE; - c.size=6; - lib3ds_chunk_write(&c, io); - } - - if (light->spot_light) { - Lib3dsChunk c; - - c.chunk=LIB3DS_DL_SPOTLIGHT; - if (!lib3ds_chunk_write_start(&c,io)) { - return(LIB3DS_FALSE); - } - lib3ds_io_write_vector(io, light->spot); - lib3ds_io_write_float(io, light->hot_spot); - lib3ds_io_write_float(io, light->fall_off); - - { /*---- LIB3DS_DL_SPOT_ROLL ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_SPOT_ROLL; - c.size=10; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_float(io, light->roll); - } - if (light->shadowed) { /*---- LIB3DS_DL_SHADOWED ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_SHADOWED; - c.size=6; - lib3ds_chunk_write(&c, io); - } - if ((fabs(light->shadow_bias)>LIB3DS_EPSILON) || - (fabs(light->shadow_filter)>LIB3DS_EPSILON) || - (light->shadow_size!=0)) { /*---- LIB3DS_DL_LOCAL_SHADOW2 ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_LOCAL_SHADOW2; - c.size=16; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_float(io, light->shadow_bias); - lib3ds_io_write_float(io, light->shadow_filter); - lib3ds_io_write_intw(io, light->shadow_size); - } - if (light->see_cone) { /*---- LIB3DS_DL_SEE_CONE ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_SEE_CONE; - c.size=6; - lib3ds_chunk_write(&c, io); - } - if (light->rectangular_spot) { /*---- LIB3DS_DL_SPOT_RECTANGULAR ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_SPOT_RECTANGULAR; - c.size=6; - lib3ds_chunk_write(&c, io); - } - if (fabs(light->spot_aspect)>LIB3DS_EPSILON) { /*---- LIB3DS_DL_SPOT_ASPECT ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_SPOT_ASPECT; - c.size=10; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_float(io, light->spot_aspect); - } - if (light->use_projector) { /*---- LIB3DS_DL_SPOT_PROJECTOR ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_SPOT_PROJECTOR; - c.size=10; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_string(io, light->projector); - } - if (light->spot_overshoot) { /*---- LIB3DS_DL_SPOT_OVERSHOOT ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_SPOT_OVERSHOOT; - c.size=6; - lib3ds_chunk_write(&c, io); - } - if (fabs(light->ray_bias)>LIB3DS_EPSILON) { /*---- LIB3DS_DL_RAY_BIAS ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_RAY_BIAS; - c.size=10; - lib3ds_chunk_write(&c, io); - lib3ds_io_write_float(io, light->ray_bias); - } - if (light->ray_shadows) { /*---- LIB3DS_DL_RAYSHAD ----*/ - Lib3dsChunk c; - c.chunk=LIB3DS_DL_RAYSHAD; - c.size=6; - lib3ds_chunk_write(&c, io); - } - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - } - if (!lib3ds_chunk_write_end(&c,io)) { - return(LIB3DS_FALSE); - } - return(LIB3DS_TRUE); -} - - |