/* Sets the M3dMagicRelease level */
void PutM3dMagicRelease3ds(database3ds *db, releaselevel3ds release)
{
if (db == NULL)
SET_ERROR_RETURN(ERR_INVALID_ARG);
if (db->topchunk == NULL)
SET_ERROR_RETURN(ERR_INVALID_DATA);
if (db->topchunk->tag == M3DMAGIC)
{
chunk3ds *c;
M3dVersion *d;
ReplaceOrAddChild3ds(db->topchunk, M3D_VERSION, &c);
ON_ERROR_RETURN;
d = InitChunkData3ds(c);
ON_ERROR_RETURN;
switch(release)
{
case Release13ds:
d->version = 1;
break;
case Release23ds:
d->version = 2;
break;
case Release33ds:
d->version = 3;
break;
case ReleaseNotKnown3ds:
d->version = 4;
}
}
}
/* Sets the MeshRelease level */
void PutMeshRelease3ds(database3ds *db, releaselevel3ds release)
{
if (db == NULL)
SET_ERROR_RETURN(ERR_INVALID_ARG);
if (db->topchunk == NULL)
SET_ERROR_RETURN(ERR_INVALID_DATA);
if ((db->topchunk->tag == M3DMAGIC) || (db->topchunk->tag == CMAGIC))
{
chunk3ds *mdata;
chunk3ds *c;
M3dVersion *d;
FindChunk3ds(db->topchunk, MDATA, &mdata);
if (mdata == NULL)
{
InitChunkAs3ds(&mdata, MDATA);
AddChildOrdered3ds(db->topchunk, mdata);
}
ReplaceOrAddChild3ds(mdata, MESH_VERSION, &c);
d = InitChunkData3ds(c);
switch(release)
{
case Release13ds:
d->version = 1;
break;
case Release23ds:
d->version = 2;
break;
case Release33ds:
d->version = 3;
break;
case ReleaseNotKnown3ds:
d->version = 4;
}
}
}
void PutBackground3ds(database3ds *db, background3ds *bgnd)
{
chunk3ds *mdata;
if(db == NULL || bgnd == NULL)
SET_ERROR_RETURN(ERR_INVALID_ARG);
if(db->topchunk == NULL)
SET_ERROR_RETURN(ERR_INVALID_DATABASE);
if (!(db->topchunk->tag == M3DMAGIC || db->topchunk->tag == CMAGIC))
SET_ERROR_RETURN(ERR_WRONG_DATABASE);
/* Search for a mesh data chunk */
FindChunk3ds(db->topchunk, MDATA, &mdata);
/* If one isn't found, add it to the list */
if (mdata == NULL)
{
InitChunkAs3ds(&mdata, MDATA);
AddChildOrdered3ds(db->topchunk, mdata);
}
/* if (1) */ /* Put bitmap background chunk. */
{
chunk3ds *c;
BitMap *d;
ReplaceOrAddChild3ds(mdata, BIT_MAP, &c);
d = InitChunkData3ds(c);
d->bitmap = (bgnd->bitmap.name)? strdup(bgnd->bitmap.name): strdup("");
}
/* if (1) */ /* Put the SOLID_BGND chunk */
{
chunk3ds *cs, *cc;
ColorF *dc;
ReplaceOrAddChild3ds(mdata, SOLID_BGND, &cs);
dc = InitChunkAndData3ds(&cc, COLOR_F);
dc->red = bgnd->solid.color.r;
dc->green = bgnd->solid.color.g;
dc->blue = bgnd->solid.color.b;
AddChild3ds(cs, cc);
dc = InitChunkAndData3ds(&cc, LIN_COLOR_F);
dc->red = bgnd->solid.color.r;
dc->green = bgnd->solid.color.g;
dc->blue = bgnd->solid.color.b;
AddChild3ds(cs, cc);
}
/* if (1) */ /* Put the V_GRADIENT chunk */
{
chunk3ds *cv, *cc;
VGradient *dv;
ColorF *dc;
ReplaceOrAddChild3ds(mdata, V_GRADIENT, &cv);
dv = InitChunkData3ds(cv);
dv->gradpercent = bgnd->vgradient.gradpercent;
dc = InitChunkAndData3ds(&cc, COLOR_F);
dc->red = bgnd->vgradient.top.r;
dc->green = bgnd->vgradient.top.g;
dc->blue = bgnd->vgradient.top.b;
AddChild3ds(cv, cc);
dc = InitChunkAndData3ds(&cc, LIN_COLOR_F);
dc->red = bgnd->vgradient.top.r;
dc->green = bgnd->vgradient.top.g;
dc->blue = bgnd->vgradient.top.b;
AddChild3ds(cv, cc);
dc = InitChunkAndData3ds(&cc, COLOR_F);
dc->red = bgnd->vgradient.mid.r;
dc->green = bgnd->vgradient.mid.g;
dc->blue = bgnd->vgradient.mid.b;
AddChild3ds(cv, cc);
dc = InitChunkAndData3ds(&cc, LIN_COLOR_F);
dc->red = bgnd->vgradient.mid.r;
dc->green = bgnd->vgradient.mid.g;
dc->blue = bgnd->vgradient.mid.b;
AddChild3ds(cv, cc);
dc = InitChunkAndData3ds(&cc, COLOR_F);
dc->red = bgnd->vgradient.bottom.r;
dc->green = bgnd->vgradient.bottom.g;
dc->blue = bgnd->vgradient.bottom.b;
AddChild3ds(cv, cc);
dc = InitChunkAndData3ds(&cc, LIN_COLOR_F);
dc->red = bgnd->vgradient.bottom.r;
dc->green = bgnd->vgradient.bottom.g;
dc->blue = bgnd->vgradient.bottom.b;
AddChild3ds(cv, cc);
}
/* if (1) */ /* Add a use_bitmap_bgnd, use_solid_bgnd, or use_v_gradient */
{
chunk3ds *chunk;
/* first, find any existing use_* chunks */
FindChunk3ds(mdata, USE_BIT_MAP, &chunk);
if (chunk == NULL)
{
FindChunk3ds(mdata, USE_SOLID_BGND, &chunk);
if (chunk == NULL)
{
FindChunk3ds(mdata, USE_V_GRADIENT, &chunk);
}
}
/* If one was found, delete it */
if (chunk != NULL)
{
DeleteChunk3ds(chunk);
}
if (bgnd->bgndused != NoBgnd)
{
if (chunk == NULL)
{
InitChunk3ds(&chunk);
chunk->tag = USE_BIT_MAP; /* just to help place in order */
AddChildOrdered3ds(mdata,chunk);
}
/* add the new use_* chunk */
switch (bgnd->bgndused)
{
case UseBitmapBgnd:
chunk->tag = USE_BIT_MAP;
break;
case UseSolidBgnd:
chunk->tag = USE_SOLID_BGND;
break;
case UseVGradientBgnd:
chunk->tag = USE_V_GRADIENT;
break;
case NoBgnd:
chunk->tag = NULL_CHUNK;
break;
}
}
}
}
