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Added uvs export. Textures and materials are not exported yet.

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This commit is contained in:
Chingiz Dyussenov
2009-06-10 18:02:54 +00:00
parent af67f4f634
commit fbadae7b0a
1 changed files with 153 additions and 94 deletions
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247
source/blender/collada/DocumentExporter.cpp
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@@ -1,6 +1,7 @@
#include "DNA_scene_types.h"
#include "DNA_object_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_mesh_types.h"
extern "C"
{
#include "BKE_DerivedMesh.h"
@@ -48,6 +49,7 @@ public:
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);
@@ -57,6 +59,7 @@ public:
//<source>
createVertsSource(sce, mSW, geom_name, dm);
createNormalsSource(sce, mSW, geom_name, dm);
checkTexcoords = createTexcoordsSource(sce, mSW, geom_name, dm, (Mesh*)ob->data);
//<vertices>
COLLADASW::Vertices verts(mSW);
@@ -80,24 +83,63 @@ public:
getUrlBySemantics(geom_name, COLLADASW::VERTEX), 0);
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 for TEXCOORD
if (checkTexcoords == true)
{
COLLADASW::Input input4(COLLADASW::TEXCOORD,
getUrlBySemantics(geom_name, COLLADASW::TEXCOORD), 1);
til.push_back(input4);
}
tris.prepareToAppendValues();
int i;
int texindex = 0;
for (i = 0; i < totfaces; i++) {
MFace *f = &mfaces[i];
// if triangle
if (f->v4 == 0) {
tris.appendValues(f->v1, f->v2, f->v3);
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++);
}
}
// quad
else {
tris.appendValues(f->v1, f->v2, f->v3);
tris.appendValues(f->v3, f->v4, f->v1);
}
// 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();
@@ -113,36 +155,6 @@ public:
base= base->next;
}
/* //openMesh(geoId, geoName, meshId)
void openMesh("", "", "");
//<source>
void sourceCreator(&sce);
//<vertices>
Vertices verts(&sw);
verts.setId();
Input input(POSITION, source);
InputList inputL(&sw);
inputL.push_back(input);
verts.add();
//triangles
PrimitivesBase pBase(&sw, CSWC::CSW_ELEMENT_TRIANGLES);
Primitive<CSWC::CSW_ELEMENT_TRIANGLES> prim(&sw);
prim.setCount();
prim.setMaterial();
InputList &til = pBase.getInputList();
til.push_back(input);
prim.prepareToAppendValues();
prim.appendValues();
prim.closeElement();
prim.finish();
closeMesh();
closeGeometry();
*/
closeLibrary();
}
@@ -173,7 +185,7 @@ public:
int i = 0;
for (i = 0; i < totverts; i++) {
source.appendValues(verts[i].co[0], verts[i].co[1], verts[i].co[2]);
// source.appendValues((float)(v->no[i] / 32767.0));
}
/*closes <float_array>, adds
<technique_common>
@@ -185,26 +197,84 @@ public:
/*----------------------------------------------------------*/
/* //creates <source> for texcoords
void createTexcoordsSource(Scene *sce, COLLADASW::StreamWriter *sw,
std::string geom_name, DerivedMesh *dm)
//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)
{
COLLADASW::FloatSourceF source(sw);
source.setId(getIdBySemantics(geom_name, COLLADASW::TEXCOORD));
source.setArrayId(geom_name + COLLADA::TEXCOORD + ARRAY_ID_SUFFIX);
//TODO: replace totverts to totuvs
source.setAccessorCount(totverts);
source.setAccessorStride(2);
COLLADASW::SourceBase::ParameterNameList &param = source.getParameterNameList();
param.push_back("X");
param.push_back("Y");
source.prepareToAppendValues();
//appends data to <float_array>
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(countTris(dm) * 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,
@@ -239,7 +309,31 @@ public:
}
int countTris(DerivedMesh *dm)
{
MFace *mfaces = dm->getFaceArray(dm);
int totfaces = dm->getNumFaces(dm);
int i;
int tottri = 0;
for (i = 0; i < totfaces; i++) {
MFace *f = &mfaces[i];
// if triangle
if (f->v4 == 0) {
tottri++;
}
// quad
else {
tottri += 2;
}
}
return tottri;
}
std::string getIdBySemantics(std::string geom_name, COLLADASW::Semantics type) {
return geom_name +
getSuffixBySemantic(type);
@@ -305,42 +399,6 @@ public:
}
};
/*
<library_visual_scenes>
<visual_scene>
<node>
<translate>
<rotate>
<instance_geometry>
</node>
...
</visual_scene>
</library_visual_scenes>
<library_geometries>
<geometry id="">
<mesh>
<source id="source_id">
<float_array id="" count="">
0.0 0.0 0.0
</float_array>
</source>
<vertices>
<input source="#source_id" ...>
</vertices>
<triangles>
<input>
<p>
</triangles>
</mesh>
</geometry>
</library_geometries>
*/
void DocumentExporter::exportCurrentScene(Scene *sce, const char* filename)
{
@@ -363,6 +421,7 @@ void DocumentExporter::exportCurrentScene(Scene *sce, const char* filename)
GeometryExporter ge(&sw);
ge.exportGeom(sce);
//<scene>
std::string scene_name(sce->id.name);
COLLADASW::Scene scene(&sw, COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING,