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//----------------------------------------------------------------------------------------------------
// YafRay XML export
//
// For anyone else looking at this, this was designed for a tabspacing of 2 (YafRay/Jandro standard :)
//----------------------------------------------------------------------------------------------------
#include "yafray_Render.h"
#include <math.h>
using namespace std;
void yafrayRender_t::clearAll()
{
all_objects.clear();
used_materials.clear();
used_textures.clear();
dupliMtx_list.clear();
dup_srcob.clear();
objectData.clear();
}
bool yafrayRender_t::exportScene()
{
// get camera first, no checking should be necessary, all done by Blender
maincam_obj = G.scene->camera;
// use fixed lens for objects functioning as temporary camera (ctrl-0)
mainCamLens = 35.0;
if (maincam_obj->type==OB_CAMERA) mainCamLens=((Camera*)maincam_obj->data)->lens;
maxraydepth = 5; // will be set to maximum depth used in blender materials
// recreate the scene as object data, as well as sorting the material & textures, ignoring duplicates
if (!getAllMatTexObs())
{
// error found, clear for next call
clearAll();
return false;
}
if(!initExport())
{
clearAll();
return false;
}
// start actual data export
writeTextures();
writeMaterialsAndModulators();
writeAllObjects();
writeLamps();
hasworld = writeWorld();
writeCamera();
writeRender();
// clear for next call, before render to free some memory
clearAll();
if(!finishExport())
{
G.afbreek = 1; //stop render and anim if doing so
return false;
}
else return true;
}
// find object by name in global scene (+'OB'!)
Object* yafrayRender_t::findObject(const char* name)
{
Base* bs = (Base*)G.scene->base.first;
while (bs) {
Object* obj = bs->object;
if (!strcmp(name, obj->id.name)) return obj;
bs = bs->next;
}
return NULL;
}
// gets all unique face materials & textures,
// and sorts the facelist rejecting anything that is not a quad or tri,
// as well as associating them again with the original Object.
bool yafrayRender_t::getAllMatTexObs()
{
VlakRen* vlr;
for (int i=0;i<R.totvlak;i++) {
if ((i & 255)==0) vlr=R.blovl[i>>8]; else vlr++;
// ---- The materials & textures
// in this case, probably every face has a material assigned, which can be the default material,
// so checking that this is !0 is probably not necessary, but just in case...
Material* matr = vlr->mat;
if (matr) {
// The default assigned material seems to be nameless, no MA id, an empty string.
// Since this name is needed in yafray, make it 'blender_default'
if (strlen(matr->id.name)==0)
used_materials["blender_default"] = matr;
else
used_materials[matr->id.name] = matr; // <-- full name to avoid name collision in yafray
//used_materials[matr->id.name+2] = matr; // skip 'MA' id
// textures, all active channels
for (int m=0;m<8;m++) {
if (matr->septex & (1<<m)) continue; // only active channels
MTex* mx = matr->mtex[m];
// if no mtex, ignore
if (mx==NULL) continue;
// if no tex, ignore
Tex* tx = mx->tex;
if (tx==NULL) continue;
short txtp = tx->type;
// if texture type not available in yafray, ignore
if ((txtp!=TEX_STUCCI) &&
(txtp!=TEX_CLOUDS) &&
(txtp!=TEX_WOOD) &&
(txtp!=TEX_MARBLE) &&
(txtp!=TEX_IMAGE)) continue;
// in the case of an image texture, check that there is an actual image, otherwise ignore
if ((txtp & TEX_IMAGE) && (!tx->ima)) continue;
used_textures[tx->id.name] = make_pair(matr, mx); // <-- full name to avoid name collision in yafray
//used_textures[tx->id.name+2] = make_pair(matr, mx);
}
}
// make list of faces per object, ignore <3 vert faces, duplicate vertex sorting done later
// make sure null object pointers are ignored
if (vlr->ob) {
int nv = 0; // number of vertices
if (vlr->v4) nv=4; else if (vlr->v3) nv=3;
if (nv) all_objects[vlr->ob].push_back(vlr);
}
//else cout << "WARNING: VlakRen struct with null obj.ptr!\n";
}
// in case dupliMtx_list not empty, make sure that there is at least one source object
// in all_objects with the name given in dupliMtx_list
if (!dupliMtx_list.empty()) {
for (map<Object*, vector<VlakRen*> >::const_iterator obn=all_objects.begin();
obn!=all_objects.end();++obn)
{
Object* obj = obn->first;
string obname = obj->id.name;
if (dupliMtx_list.find(obname)!=dupliMtx_list.end()) dup_srcob[obname] = obj;
}
// if the name reference list is empty, return now, something was seriously wrong
if (dup_srcob.empty()) {
// error() doesn't work to well, when switching from Blender to console at least, so use stdout instead
cout << "ERROR: Duplilist non_empty, but no srcobs\n";
return false;
}
}
return true;
}
void yafrayRender_t::addDupliMtx(Object* obj)
{
for (int i=0;i<4;i++)
for (int j=0;j<4;j++)
dupliMtx_list[string(obj->id.name)].push_back(obj->obmat[i][j]);
}
bool yafrayRender_t::objectKnownData(Object* obj)
{
// if object data already known, no need to include in renderlist, otherwise save object datapointer
if (objectData.find(obj->data)!=objectData.end()) {
Object* orgob = objectData[obj->data];
// first save original object matrix in dupliMtx_list, if not added yet
if (dupliMtx_list.find(orgob->id.name)==dupliMtx_list.end()) {
cout << "Added original matrix\n";
addDupliMtx(orgob);
}
// then save matrix of linked object in dupliMtx_list, using name of ORIGINAL object
for (int i=0;i<4;i++)
for (int j=0;j<4;j++)
dupliMtx_list[string(orgob->id.name)].push_back(obj->obmat[i][j]);
return true;
}
// object not known yet
objectData[obj->data] = obj;
return false;
}
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