/*!
* Writes a signed byte in a file stream.
*/
void
lib3ds_io_write_intb(Lib3dsIo *io, int8_t b) {
assert(io);
if (lib3ds_io_write(io, &b, 1) != 1) {
lib3ds_io_write_error(io);
}
}
/*!
* \ingroup io
*
* Writes a zero-terminated string into a file stream.
*/
Lib3dsBool
lib3ds_io_write_string(Lib3dsIo *io, const char *s)
{
ASSERT(s);
ASSERT(io);
lib3ds_io_write(io, s, strlen(s)+1);
return(!lib3ds_io_error(io));
}
/*!
* \ingroup io
*
* Writes a signed byte in a file stream.
*/
Lib3dsBool
lib3ds_io_write_intb(Lib3dsIo *io, Lib3dsIntb b)
{
ASSERT(io);
if (lib3ds_io_write(io, &b, 1)!=1) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* Writes a zero-terminated string into a file stream.
*/
void
lib3ds_io_write_string(Lib3dsIo *io, const char *s) {
size_t len;
assert(io && s);
len = strlen(s);
if (lib3ds_io_write(io, s, len + 1) != len +1) {
lib3ds_io_write_error(io);
}
}
/*!
* Writes a signed word into a little endian file stream.
*/
void
lib3ds_io_write_intw(Lib3dsIo *io, int16_t w) {
uint8_t b[2];
assert(io);
b[1] = ((uint16_t)w & 0xFF00) >> 8;
b[0] = ((uint16_t)w & 0x00FF);
if (lib3ds_io_write(io, b, 2) != 2) {
lib3ds_io_write_error(io);
}
}
/*!
* Writes a word into a little endian file stream.
*/
void
lib3ds_io_write_word(Lib3dsIo *io, uint16_t w) {
uint8_t b[2];
assert(io);
b[1] = (uint8_t)((w & 0xFF00) >> 8);
b[0] = (uint8_t)(w & 0x00FF);
if (lib3ds_io_write(io, b, 2) != 2) {
lib3ds_io_write_error(io);
}
}
/*!
* \ingroup io
*
* Writes a signed word into a little endian file stream.
*/
Lib3dsBool
lib3ds_io_write_intw(Lib3dsIo *io, Lib3dsIntw w)
{
Lib3dsByte b[2];
ASSERT(io);
b[1]=((Lib3dsWord)w & 0xFF00) >> 8;
b[0]=((Lib3dsWord)w & 0x00FF);
if (lib3ds_io_write(io, b, 2)!=2) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* Writes a signed dword into a little endian file stream.
*/
void
lib3ds_io_write_intd(Lib3dsIo *io, int32_t d) {
uint8_t b[4];
assert(io);
b[3] = (uint8_t)(((uint32_t)d & 0xFF000000) >> 24);
b[2] = (uint8_t)(((uint32_t)d & 0x00FF0000) >> 16);
b[1] = (uint8_t)(((uint32_t)d & 0x0000FF00) >> 8);
b[0] = (uint8_t)(((uint32_t)d & 0x000000FF));
if (lib3ds_io_write(io, b, 4) != 4) {
lib3ds_io_write_error(io);
}
}
/*!
* \ingroup io
*
* Writes a signed dword into a little endian file stream.
*/
Lib3dsBool
lib3ds_io_write_intd(Lib3dsIo *io, Lib3dsIntd d)
{
Lib3dsByte b[4];
ASSERT(io);
b[3]=(Lib3dsByte)(((Lib3dsDword)d & 0xFF000000) >> 24);
b[2]=(Lib3dsByte)(((Lib3dsDword)d & 0x00FF0000) >> 16);
b[1]=(Lib3dsByte)(((Lib3dsDword)d & 0x0000FF00) >> 8);
b[0]=(Lib3dsByte)(((Lib3dsDword)d & 0x000000FF));
if (lib3ds_io_write(io, b, 4)!=4) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* Writes a float into a little endian file stream.
*/
void
lib3ds_io_write_float(Lib3dsIo *io, float l) {
uint8_t b[4];
Lib3dsDwordFloat d;
assert(io);
d.float_value = l;
b[3] = (uint8_t)(((uint32_t)d.dword_value & 0xFF000000) >> 24);
b[2] = (uint8_t)(((uint32_t)d.dword_value & 0x00FF0000) >> 16);
b[1] = (uint8_t)(((uint32_t)d.dword_value & 0x0000FF00) >> 8);
b[0] = (uint8_t)(((uint32_t)d.dword_value & 0x000000FF));
if (lib3ds_io_write(io, b, 4) != 4) {
lib3ds_io_write_error(io);
}
}
/*!
* \ingroup io
*
* Writes a float into a little endian file stream.
*/
Lib3dsBool
lib3ds_io_write_float(Lib3dsIo *io, Lib3dsFloat l)
{
Lib3dsByte b[4];
Lib3dsDword d;
ASSERT(io);
d=*((Lib3dsDword*)&l);
b[3]=(Lib3dsByte)(((Lib3dsDword)d & 0xFF000000) >> 24);
b[2]=(Lib3dsByte)(((Lib3dsDword)d & 0x00FF0000) >> 16);
b[1]=(Lib3dsByte)(((Lib3dsDword)d & 0x0000FF00) >> 8);
b[0]=(Lib3dsByte)(((Lib3dsDword)d & 0x000000FF));
if (lib3ds_io_write(io, b, 4)!=4) {
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup viewport
*/
Lib3dsBool
lib3ds_viewport_write(Lib3dsViewport *viewport, Lib3dsIo *io)
{
if (viewport->layout.views) {
Lib3dsChunk c;
unsigned i;
c.chunk=LIB3DS_VIEWPORT_LAYOUT;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
lib3ds_io_write_word(io, viewport->layout.style);
lib3ds_io_write_intw(io, viewport->layout.active);
lib3ds_io_write_intw(io, 0);
lib3ds_io_write_intw(io, viewport->layout.swap);
lib3ds_io_write_intw(io, 0);
lib3ds_io_write_intw(io, viewport->layout.swap_prior);
lib3ds_io_write_intw(io, viewport->layout.swap_view);
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEWPORT_SIZE;
c.size=14;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intw(io, viewport->layout.position[0]);
lib3ds_io_write_intw(io, viewport->layout.position[1]);
lib3ds_io_write_intw(io, viewport->layout.size[0]);
lib3ds_io_write_intw(io, viewport->layout.size[1]);
}
for (i=0; i<viewport->layout.views; ++i) {
Lib3dsChunk c;
c.chunk=LIB3DS_VIEWPORT_DATA_3;
c.size=55;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_intw(io, 0);
lib3ds_io_write_word(io, viewport->layout.viewL[i].axis_lock);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].position[0]);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].position[1]);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].size[0]);
lib3ds_io_write_intw(io, viewport->layout.viewL[i].size[1]);
lib3ds_io_write_word(io, viewport->layout.viewL[i].type);
lib3ds_io_write_float(io, viewport->layout.viewL[i].zoom);
lib3ds_io_write_vector(io, viewport->layout.viewL[i].center);
lib3ds_io_write_float(io, viewport->layout.viewL[i].horiz_angle);
lib3ds_io_write_float(io, viewport->layout.viewL[i].vert_angle);
lib3ds_io_write(io, viewport->layout.viewL[i].camera,11);
}
if (!lib3ds_chunk_write_end(&c,io)) {
return(LIB3DS_FALSE);
}
}
if (viewport->default_view.type) {
Lib3dsChunk c;
c.chunk=LIB3DS_DEFAULT_VIEW;
if (!lib3ds_chunk_write_start(&c,io)) {
return(LIB3DS_FALSE);
}
switch (viewport->default_view.type) {
case LIB3DS_VIEW_TYPE_TOP:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_TOP;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_BOTTOM:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_BOTTOM;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_LEFT:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_LEFT;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_RIGHT:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_RIGHT;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_FRONT:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_FRONT;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_BACK:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_BACK;
c.size=22;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
}
break;
case LIB3DS_VIEW_TYPE_USER:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_USER;
c.size=34;
lib3ds_chunk_write(&c,io);
lib3ds_io_write_vector(io, viewport->default_view.position);
lib3ds_io_write_float(io, viewport->default_view.width);
lib3ds_io_write_float(io, viewport->default_view.horiz_angle);
lib3ds_io_write_float(io, viewport->default_view.vert_angle);
lib3ds_io_write_float(io, viewport->default_view.roll_angle);
}
break;
case LIB3DS_VIEW_TYPE_CAMERA:
{
Lib3dsChunk c;
c.chunk=LIB3DS_VIEW_CAMERA;
c.size=17;
lib3ds_chunk_write(&c, io);
lib3ds_io_write(io, viewport->default_view.camera, 11);
}
break;
}
if (!lib3ds_chunk_write_end(&c, io)) {
return(LIB3DS_FALSE);
}
}
return(LIB3DS_TRUE);
}