Files
test2/source/blender/collada/DocumentExporter.cpp
Chingiz Dyussenov aecfa67497 Added exporting object textures, classes for writing <library_effects>
and <library_materials>. These classes are hardcoded.
2009-06-15 06:00:00 +00:00

577 lines
16 KiB
C++

#include "DNA_scene_types.h"
#include "DNA_object_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_mesh_types.h"
#include "DNA_image_types.h"
extern "C"
{
#include "BKE_DerivedMesh.h"
}
#include "BKE_scene.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "DocumentExporter.h"
#include <COLLADASWAsset.h>
#include <COLLADASWLibraryVisualScenes.h>
#include <COLLADASWNode.h>
#include <COLLADASWLibraryGeometries.h>
#include <COLLADASWSource.h>
#include <COLLADASWInstanceGeometry.h>
#include <COLLADASWInputList.h>
#include <COLLADASWScene.h>
#include <COLLADASWPrimitves.h>
#include <COLLADASWVertices.h>
#include <COLLADASWLibraryImages.h>
#include <COLLADASWLibraryEffects.h>
#include <COLLADASWImage.h>
#include <COLLADASWEffectProfile.h>
#include <COLLADASWColorOrTexture.h>
#include <COLLADASWParamTemplate.h>
#include <COLLADASWParamBase.h>
#include <COLLADASWSurfaceInitOption.h>
#include <COLLADASWTexture.h>
#include <COLLADASWSampler.h>
#include <COLLADASWSurface.h>
#include <COLLADASWLibraryMaterials.h>
#include <COLLADASWBindMaterial.h>
// not good idea - there are for example blender Scene and COLLADASW::Scene
//using namespace COLLADASW;
class GeometryExporter : COLLADASW::LibraryGeometries
{
public:
GeometryExporter(COLLADASW::StreamWriter *sw) : COLLADASW::LibraryGeometries(sw) {}
void exportGeom(Scene *sce)
{
//opens <library_geometries>
openLibrary();
// iterate over objects in scene
Base *base= (Base*) sce->base.first;
while(base) {
Object *ob = base->object;
// only meshes
if (ob->type == OB_MESH && ob->data) {
DerivedMesh *dm = mesh_get_derived_final(sce, ob, CD_MASK_BAREMESH);
MVert *mverts = dm->getVertArray(dm);
MFace *mfaces = dm->getFaceArray(dm);
int totfaces = dm->getNumFaces(dm);
int totverts = dm->getNumVerts(dm);
bool checkTexcoords = false;
std::string geom_name(ob->id.name);
//openMesh(geoId, geoName, meshId)
openMesh(geom_name, "", "");
//writes <source> for vertex coords
createVertsSource(sce, mSW, geom_name, dm);
//writes <source> for normal coords
createNormalsSource(sce, mSW, geom_name, dm);
//writes <source> for uv coords
//if mesh has uv coords
checkTexcoords = createTexcoordsSource(sce, mSW, geom_name, dm, (Mesh*)ob->data);
//<vertices>
COLLADASW::Vertices verts(mSW);
verts.setId(getIdBySemantics(geom_name, COLLADASW::VERTEX));
COLLADASW::InputList &input_list = verts.getInputList();
COLLADASW::Input input(COLLADASW::POSITION,
getUrlBySemantics(geom_name, COLLADASW::POSITION));
input_list.push_back(input);
verts.add();
//<triangles>
COLLADASW::Triangles tris(mSW);
//sets count attribute in <triangles>
tris.setCount(getTriCount(mfaces, totfaces));
COLLADASW::InputList &til = tris.getInputList();
/*added semantic, source, offset attributes to <input> */
//creates list of attributes in <triangles> <input> for vertices
COLLADASW::Input input2(COLLADASW::VERTEX,
getUrlBySemantics(geom_name, COLLADASW::VERTEX), 0);
//creates list of attributes in <triangles> <input> for normals
COLLADASW::Input input3(COLLADASW::NORMAL,
getUrlBySemantics(geom_name, COLLADASW::NORMAL), 0);
til.push_back(input2);
til.push_back(input3);
//if mesh has uv coords writes <input> attributes for TEXCOORD
if (checkTexcoords == true)
{
COLLADASW::Input input4(COLLADASW::TEXCOORD,
getUrlBySemantics(geom_name, COLLADASW::TEXCOORD), 1);
til.push_back(input4);
//XXX
tris.setMaterial("material-symbol");
}
//performs the actual writing
tris.prepareToAppendValues();
int i;
int texindex = 0;
//writes data to <p>
for (i = 0; i < totfaces; i++) {
MFace *f = &mfaces[i];
//if mesh has uv coords writes uv and
//vertex indexes
if (checkTexcoords == true) {
// if triangle
if (f->v4 == 0) {
tris.appendValues(f->v1);
tris.appendValues(texindex++);
tris.appendValues(f->v2);
tris.appendValues(texindex++);
tris.appendValues(f->v3);
tris.appendValues(texindex++);
}
// quad
else {
tris.appendValues(f->v1);
tris.appendValues(texindex++);
tris.appendValues(f->v2);
tris.appendValues(texindex++);
tris.appendValues(f->v3);
tris.appendValues(texindex++);
tris.appendValues(f->v3);
tris.appendValues(texindex++);
tris.appendValues(f->v4);
tris.appendValues(texindex++);
tris.appendValues(f->v1);
tris.appendValues(texindex++);
}
}
//if mesh has no uv coords writes only
//vertex indexes
else {
// if triangle
if (f->v4 == 0) {
tris.appendValues(f->v1, f->v2, f->v3);
}
// quad
else {
tris.appendValues(f->v1, f->v2, f->v3);
tris.appendValues(f->v3, f->v4, f->v1);
}
}
}
tris.closeElement();
tris.finish();
closeMesh();
closeGeometry();
dm->release(dm);
}
base= base->next;
}
closeLibrary();
}
/*----------------------------------------------------------*/
//creates <source> for positions
void createVertsSource(Scene *sce, COLLADASW::StreamWriter *sw,
std::string geom_name, DerivedMesh *dm)
{
int totverts = dm->getNumVerts(dm);
MVert *verts = dm->getVertArray(dm);
COLLADASW::FloatSourceF source(sw);
source.setId(getIdBySemantics(geom_name, COLLADASW::POSITION));
source.setArrayId(getIdBySemantics(geom_name, COLLADASW::POSITION) +
ARRAY_ID_SUFFIX);
source.setAccessorCount(totverts);
source.setAccessorStride(3);
COLLADASW::SourceBase::ParameterNameList &param = source.getParameterNameList();
param.push_back("X");
param.push_back("Y");
param.push_back("Z");
/*main function, it creates <source id = "">, <float_array id = ""
count = ""> */
source.prepareToAppendValues();
//appends data to <float_array>
int i = 0;
for (i = 0; i < totverts; i++) {
source.appendValues(verts[i].co[0], verts[i].co[1], verts[i].co[2]);
}
/*closes <float_array>, adds
<technique_common>
<accessor source = "" count = "" stride = "" >,
</source> */
source.finish();
}
/*----------------------------------------------------------*/
//creates <source> for texcoords
// returns true if mesh has uv data
bool createTexcoordsSource(Scene *sce, COLLADASW::StreamWriter *sw,
std::string geom_name, DerivedMesh *dm, Mesh *me)
{
int totfaces = dm->getNumFaces(dm);
MTFace *tface = me->mtface;
MFace *mfaces = dm->getFaceArray(dm);
if(tface != NULL)
{
COLLADASW::FloatSourceF source(sw);
source.setId(getIdBySemantics(geom_name, COLLADASW::TEXCOORD));
source.setArrayId(getIdBySemantics(geom_name, COLLADASW::TEXCOORD) +
ARRAY_ID_SUFFIX);
source.setAccessorCount(getTriCount(mfaces, totfaces) * 3);
source.setAccessorStride(2);
COLLADASW::SourceBase::ParameterNameList &param = source.getParameterNameList();
param.push_back("X");
param.push_back("Y");
source.prepareToAppendValues();
int i;
for (i = 0; i < totfaces; i++) {
MFace *f = &mfaces[i];
// if triangle
if (f->v4 == 0) {
// get uv1's X coordinate
source.appendValues(tface[i].uv[0][0]);
// get uv1's Y coordinate
source.appendValues(tface[i].uv[0][1]);
// get uv2's X coordinate
source.appendValues(tface[i].uv[1][0]);
// etc...
source.appendValues(tface[i].uv[1][1]);
//uv3
source.appendValues(tface[i].uv[2][0]);
source.appendValues(tface[i].uv[2][1]);
}
// quad
else {
// get uv1's X coordinate
source.appendValues(tface[i].uv[0][0]);
// get uv1's Y coordinate
source.appendValues(tface[i].uv[0][1]);
//uv2
source.appendValues(tface[i].uv[1][0]);
source.appendValues(tface[i].uv[1][1]);
//uv3
source.appendValues(tface[i].uv[2][0]);
source.appendValues(tface[i].uv[2][1]);
//uv3
source.appendValues(tface[i].uv[2][0]);
source.appendValues(tface[i].uv[2][1]);
//uv4
source.appendValues(tface[i].uv[3][0]);
source.appendValues(tface[i].uv[3][1]);
//uv1
source.appendValues(tface[i].uv[0][0]);
source.appendValues(tface[i].uv[0][1]);
}
}
source.finish();
return true;
}
return false;
}
/*----------------------------------------------------------*/
//creates <source> for normals
void createNormalsSource(Scene *sce, COLLADASW::StreamWriter *sw,
std::string geom_name, DerivedMesh *dm)
{
int totverts = dm->getNumVerts(dm);
MVert *verts = dm->getVertArray(dm);
COLLADASW::FloatSourceF source(sw);
source.setId(getIdBySemantics(geom_name, COLLADASW::NORMAL));
source.setArrayId(getIdBySemantics(geom_name, COLLADASW::NORMAL) +
ARRAY_ID_SUFFIX);
source.setAccessorCount(totverts);
source.setAccessorStride(3);
COLLADASW::SourceBase::ParameterNameList &param = source.getParameterNameList();
param.push_back("X");
param.push_back("Y");
param.push_back("Z");
source.prepareToAppendValues();
int i = 0;
for( i = 0; i < totverts; ++i ){
source.appendValues(float(verts[i].no[0]/32767.0),
float(verts[i].no[1]/32767.0),
float(verts[i].no[2]/32767.0));
}
source.finish();
}
/*----------------------------------------------------------*/
std::string getIdBySemantics(std::string geom_name, COLLADASW::Semantics type) {
return geom_name +
getSuffixBySemantic(type);
}
/*----------------------------------------------------------*/
COLLADASW::URI getUrlBySemantics(std::string geom_name, COLLADASW::Semantics type) {
std::string id(getIdBySemantics(geom_name, type));
return COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, id);
}
/*----------------------------------------------------------*/
int getTriCount(MFace *faces, int totface) {
int i;
int tris = 0;
for (i = 0; i < totface; i++) {
// if quad
if (faces[i].v4 != 0)
tris += 2;
else
tris++;
}
return tris;
}
};
/*----------------------------------------------------------*/
class SceneExporter: COLLADASW::LibraryVisualScenes
{
public:
SceneExporter(COLLADASW::StreamWriter *sw) : COLLADASW::LibraryVisualScenes(sw) {}
void exportScene(Scene *sce) {
//<library_visual_scenes><visual_scene>
openVisualScene(sce->id.name, "");
//<node> for each mesh object
Base *base= (Base*) sce->base.first;
while(base) {
Object *ob = base->object;
if (ob->type == OB_MESH && ob->data) {
COLLADASW::Node node(mSW);
node.start();
node.addTranslate(ob->loc[0], ob->loc[1], ob->loc[2]);
// node.addRotate(); // XXX no conversion needed?
node.addScale(ob->size[0], ob->size[1], ob->size[2]);
COLLADASW::InstanceGeometry instGeom(mSW);
std::string ob_name(ob->id.name);
instGeom.setUrl(COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING,
ob_name));
//XXX hardcoded
/*COLLADASW::BindMaterial bm(mSW);
COLLADASW::InstanceMaterialList& iml = bm.getInstanceMaterialList();
std::string matid = "material";
COLLADASW::InstanceMaterial im("material-symbol", COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, matid));
iml.push_back(im);
instGeom.getBindMaterial() = bm;*/
instGeom.add();
node.end();
}
base= base->next;
}
//</visual_scene></library_visual_scenes>
closeVisualScene();
closeLibrary();
}
};
/*----------------------------------------------------------*/
//class for exporting textures
class ImagesExporter: COLLADASW::LibraryImages
{
public:
ImagesExporter(COLLADASW::StreamWriter *sw) : COLLADASW::LibraryImages(sw)
{}
void exportImages(Scene *sce)
{
openLibrary();
Image *image = (Image*)G.main->image.first;
while(image) {
//fileURI, imageId, imageName
COLLADASW::Image img(COLLADABU::URI(image->name), image->id.name, "");
img.add(mSW);
image = (Image*)image->id.next;
}
closeLibrary();
}
};
/*----------------------------------------------------------*/
class EffectsExporter: COLLADASW::LibraryEffects
{
public:
EffectsExporter(COLLADASW::StreamWriter *sw) : COLLADASW::LibraryEffects(sw){}
void exportEffects(Scene *sce)
{
//XXX
openLibrary();
openEffect("effect-id");
COLLADASW::EffectProfile ep(mSW);
ep.setProfileType(COLLADASW::EffectProfile::COMMON);
/* ep.setShaderType(COLLADASW::EffectProfile::LAMBERT);
ep.setTechniqueSid("sid");
COLLADASW::Surface surface(COLLADASW::Surface::SURFACE_TYPE_2D, "image_sid");
COLLADASW::Sampler sampler(COLLADASW::Sampler::SAMPLER_TYPE_2D, "image_sid");
COLLADASW::Texture texture("id");
COLLADASW::ColorOrTexture cot(texture);
ep.setDiffuse(cot, false, "sid");
ep.openProfile();
ep.addProfileElements();*/
ep.openProfile();
//newparam surface init_from
//COLLADASW::NewParamSurface newparamsurf(mSW);
//newparamsurf.openParam("IMmonkey_unwrapped_face" + COLLADASW::Surface::SURFACE_SID_SUFFIX);
COLLADASW::Surface surface(COLLADASW::Surface::SURFACE_TYPE_2D);
COLLADASW::SurfaceInitOption sio(COLLADASW::SurfaceInitOption::INIT_FROM);
sio.setImageReference("IMmonkey_unwrapped_face");
surface.setInitOption(sio);
//surface.add(mSW);
//newparamsurf.closeParam();
//newparam sampler source
//COLLADASW::NewParamSampler newparamsamp(mSW);
//newparamsamp.openParam("IMmonkey_unwrapped_face" + COLLADASW::Sampler::SAMPLER_SID_SUFFIX);
COLLADASW::Sampler sampler(COLLADASW::Sampler::SAMPLER_TYPE_2D, "IMmonkey_unwrapped_face" + COLLADASW::Surface::SURFACE_SID_SUFFIX);
//sampler.add(mSW);
//newparamsamp.closeParam();
//lambert diffuse texture
COLLADASW::Texture texture("IMmonkey_unwrapped_face" /*"IMmonkey_unwrapped_face" + COLLADASW::Sampler::SAMPLER_SID_SUFFIX*/);
texture.setTexcoord("myUVS");
texture.setSurface(surface);
texture.setSampler(sampler);
COLLADASW::ColorOrTexture cot(texture, "texture_sid");
ep.setDiffuse(cot, true, "");
ep.setShaderType(COLLADASW::EffectProfile::LAMBERT);
// ep.addSampler(cot);
//ep.setTechniqueSid("technique_sid");
ep.addProfileElements();
ep.closeProfile();
closeEffect();
closeLibrary();
}
};
/*----------------------------------------------------------*/
class MaterialsExporter: COLLADASW::LibraryMaterials
{
public:
MaterialsExporter(COLLADASW::StreamWriter *sw): COLLADASW::LibraryMaterials(sw){}
void exportMaterials()
{
openMaterial("material");
std::string efid = "effect-id";
addInstanceEffect(COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, efid));
closeMaterial();
closeLibrary();
}
};
/*----------------------------------------------------------*/
void DocumentExporter::exportCurrentScene(Scene *sce, const char* filename)
{
COLLADABU::NativeString native_filename =
COLLADABU::NativeString(std::string(filename));
COLLADASW::StreamWriter sw(native_filename);
//open <Collada>
sw.startDocument();
//<asset>
COLLADASW::Asset asset(&sw);
asset.setUpAxisType(COLLADASW::Asset::Z_UP);
asset.add();
//exports all object textures
ImagesExporter ie(&sw);
ie.exportImages(sce);
//library_materials
//MaterialsExporter me(&sw);
//me.exportMaterials();
//
//EffectsExporter ee(&sw);
//ee.exportEffects(sce);
//<library_geometries>
GeometryExporter ge(&sw);
ge.exportGeom(sce);
//
SceneExporter se(&sw);
se.exportScene(sce);
//<scene>
std::string scene_name(sce->id.name);
COLLADASW::Scene scene(&sw, COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING,
scene_name));
scene.add();
//close <Collada>
sw.endDocument();
}
/*----------------------------------------------------------*/
void DocumentExporter::exportScenes(const char* filename)
{
}