static void
colorf_write(float rgb[3], Lib3dsIo *io) {
Lib3dsChunk c;
c.chunk = CHK_COLOR_F;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_rgb(io, rgb);
c.chunk = CHK_LIN_COLOR_F;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_rgb(io, rgb);
}
static Lib3dsBool
colorf_write(Lib3dsRgba rgb, Lib3dsIo *io)
{
Lib3dsChunk c;
c.chunk=LIB3DS_COLOR_F;
c.size=18;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_rgb(io, rgb);
c.chunk=LIB3DS_LIN_COLOR_F;
c.size=18;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_rgb(io, rgb);
return(LIB3DS_TRUE);
}
/*!
* \ingroup atmosphere
*/
Lib3dsBool
lib3ds_atmosphere_write(Lib3dsAtmosphere *atmosphere, Lib3dsIo *io)
{
if (atmosphere->fog.use) { /*---- LIB3DS_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_FOG;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_float(io, atmosphere->fog.near_plane);
lib3ds_io_write_float(io, atmosphere->fog.near_density);
lib3ds_io_write_float(io, atmosphere->fog.far_plane);
lib3ds_io_write_float(io, atmosphere->fog.far_density);
{
Lib3dsChunk c;
c.chunk=LIB3DS_COLOR_F;
c.size=18;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_rgb(io, atmosphere->fog.col);
}
if (atmosphere->fog.fog_background) {
Lib3dsChunk c;
c.chunk=LIB3DS_FOG_BGND;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (atmosphere->layer_fog.use) { /*---- LIB3DS_LAYER_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_LAYER_FOG;
c.size=40;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_float(io, atmosphere->layer_fog.near_y);
lib3ds_io_write_float(io, atmosphere->layer_fog.far_y);
lib3ds_io_write_float(io, atmosphere->layer_fog.near_y);
lib3ds_io_write_dword(io, atmosphere->layer_fog.flags);
{
Lib3dsChunk c;
c.chunk=LIB3DS_COLOR_F;
c.size=18;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_rgb(io, atmosphere->fog.col);
}
}
if (atmosphere->dist_cue.use) { /*---- LIB3DS_DISTANCE_CUE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_DISTANCE_CUE;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_float(io, atmosphere->dist_cue.near_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue.near_dimming);
lib3ds_io_write_float(io, atmosphere->dist_cue.far_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue.far_dimming);
if (atmosphere->dist_cue.cue_background) {
Lib3dsChunk c;
c.chunk=LIB3DS_DCUE_BGND;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (atmosphere->fog.use) { /*---- LIB3DS_USE_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_USE_FOG;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (atmosphere->layer_fog.use) { /*---- LIB3DS_USE_LAYER_FOG ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_USE_LAYER_FOG;
c.size=6;
lib3ds_chunk_write(&c,io);
}
if (atmosphere->dist_cue.use) { /*---- LIB3DS_USE_DISTANCE_CUE ----*/
Lib3dsChunk c;
c.chunk=LIB3DS_USE_V_GRADIENT;
c.size=6;
lib3ds_chunk_write(&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);
}
void
lib3ds_atmosphere_write(Lib3dsAtmosphere *atmosphere, Lib3dsIo *io)
{
if (atmosphere->use_fog) /*---- LIB3DS_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_FOG;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_float(io, atmosphere->fog_near_plane);
lib3ds_io_write_float(io, atmosphere->fog_near_density);
lib3ds_io_write_float(io, atmosphere->fog_far_plane);
lib3ds_io_write_float(io, atmosphere->fog_far_density);
{
Lib3dsChunk c;
c.chunk = CHK_COLOR_F;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_rgb(io, atmosphere->fog_color);
}
if (atmosphere->fog_background)
{
Lib3dsChunk c;
c.chunk = CHK_FOG_BGND;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
lib3ds_chunk_write_end(&c, io);
}
if (atmosphere->use_layer_fog) /*---- LIB3DS_LAYER_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_LAYER_FOG;
c.size = 40;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_float(io, atmosphere->layer_fog_near_y);
lib3ds_io_write_float(io, atmosphere->layer_fog_far_y);
lib3ds_io_write_float(io, atmosphere->layer_fog_near_y);
lib3ds_io_write_dword(io, atmosphere->layer_fog_flags);
{
Lib3dsChunk c;
c.chunk = CHK_COLOR_F;
c.size = 18;
lib3ds_chunk_write(&c, io);
lib3ds_io_write_rgb(io, atmosphere->fog_color);
}
}
if (atmosphere->use_dist_cue) /*---- LIB3DS_DISTANCE_CUE ----*/
{
Lib3dsChunk c;
c.chunk = CHK_DISTANCE_CUE;
lib3ds_chunk_write_start(&c, io);
lib3ds_io_write_float(io, atmosphere->dist_cue_near_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue_near_dimming);
lib3ds_io_write_float(io, atmosphere->dist_cue_far_plane);
lib3ds_io_write_float(io, atmosphere->dist_cue_far_dimming);
if (atmosphere->dist_cue_background)
{
Lib3dsChunk c;
c.chunk = CHK_DCUE_BGND;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
lib3ds_chunk_write_end(&c, io);
}
if (atmosphere->use_fog) /*---- LIB3DS_USE_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_USE_FOG;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (atmosphere->use_layer_fog) /*---- LIB3DS_USE_LAYER_FOG ----*/
{
Lib3dsChunk c;
c.chunk = CHK_USE_LAYER_FOG;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
if (atmosphere->use_dist_cue) /*---- LIB3DS_USE_DISTANCE_CUE ----*/
{
Lib3dsChunk c;
c.chunk = CHK_USE_V_GRADIENT;
c.size = 6;
lib3ds_chunk_write(&c, io);
}
}