// == Scene class =============================================================
// -----------
Scene::Scene()
{
// scene initialization
// Material: Texture/Color, DIFF, REFL, SPEC, ABSORB
_scene = this;
lightList = new Light*[16];
lightCount = 0;
//lightList[lightCount++] = new Light( float3( 0, -5, -0 ), float3( 1.0f, 1.0f, 1.0f ), 10.0f, 0 );
lightList[lightCount++] = new Light( float3( -5, -3, 0 ), float3( 1.0f, 1.0f, 1.0f ), 10.0f, 1.0f );
//lightList[lightCount++] = new Light( float3( 5, -3, -10 ), float3( 1.0f, 0.0f, 0.0f ), 5.0f, 1.0f );
lightList[lightCount++] = new Light( float3( -5, -3, -30 ), float3( 1.0f, 1.0f, 1.0f ), 5.0f, 1.0f );
//lightList[lightCount++] = new Light( float3( -2, -3, -3 ), float3( 1.0f, 0.0f, 0.0f ) );
Material* floormat = new Material(float3(1,1,1), 1.0f, 0.5f, .0f, 0);
Material* green = new Material(float3(0.0f, 1.0f, 0.0f), 1.0f, 0.0f, .0f, 0);
//m_PrimList.push_back( new Triangle(float3(30,2,-30), float3(30,2,30), float3(-30,2,30), floormat));
//m_PrimList.push_back( new Triangle(float3(-30,2,-30), float3(30,2,-30), float3(-30,2,30), floormat));
ObjLoader loader;
//loader.LoadObj("assets/frog.obj", float3(-3,-.7f,-10), new Material(float3(.5f, 1.0f, .5f), 1.0f, 0.0f, .4f,0.0f));
//loader.LoadObj("assets/california.obj", float3(5,0.3f,0), new Material(float3(1.0f, .5f, 0), .1f, .5f, .2f, 1));
//loader.LoadObj("assets/sphere.obj", float3(2,0,-30), new Material(float3(0.0f, 0, 0), 1.0f, .5f, 0, 1.00f));
loader.LoadObj("assets/asdf.obj", float3(1,.5f,-0), new Material(float3(1.0f, 0.0f, 0.0f), .1f, 1.0f, 0, 1.00f));
loader.LoadObj("assets/sphere_small.obj", float3(0,.5f,-0), new Material(float3(1.0f, .0f, .0f), 1.0f, .0f, 0, .50f));
loader.LoadObj("assets/sphere_small.obj", float3(0,.5f,-1), new Material(float3(1.0f, 0.0f, 1.0f), 1.0f, .5f, 0.2f, .50f));
loader.LoadObj("assets/sphere_small.obj", float3(-1,.5f,-2), new Material(float3(0.0f, .0f, .0f), 1.0f, .0f, 0, 0.10f));
//
//loader.LoadObj("assets/sphere.obj", float3(5,-.5f,3.0f), new Material(float3(1.0f, 1, 1), 1.0f, .50f, 0, 1.0f));
////loader.LoadObj("assets/sphere_big.obj", float3(8,0,-30), new Material(float3(1.0f, 0, 0), .4f, 1.00f, 0.5f, 0.0f));
//
//loader.LoadObj("assets/plane.obj", float3(2,1,2), new Material(new Texture("assets/woodwall.jpg"), .5f, 0.0f, 0.0f, 1.0f));
loader.LoadObj("assets/stone.obj", float3(7.5f,1.5f,-0), new Material(new Texture("assets/stone.jpg"), .5f, 0.0f, 0.0f, 1.0f));
loader.LoadObj("assets/stone.obj", float3(0,1.5f,-0), new Material(new Texture("assets/stone.jpg"), .5f, 0.0f, 0.0f, 1.0f));
loader.LoadObj("assets/wall1.obj", float3(0,0,-5), new Material(new Texture("assets/woodwall.jpg"), .5f, 0.0f, 0.0f, 1.0f));
loader.LoadObj("assets/wall2.obj", float3(0,0,5), new Material(new Texture("assets/woodwall.jpg"), .5f, 0.0f, 0.0f, 1.0f));
loader.LoadObj("assets/german_shepard/dog.obj", float3(-2,0.8f,0), new Material(new Texture("assets/german_shepard/body_d.tga"), .5f, 0.0f, .0f, 1.0f));
rootNode = new BVHNode(0);
rootNode->triList = m_PrimList;
rootNode->GenerateBounds();
if(rootNode->triList.size() > MAXTRIS) rootNode->Split();
}
void doConvert(const TCHAR* objFileName, const TCHAR* pbrtFileName, bool mirror = false,
bool cut = false, float a = 0, float b = 0, float c = 0, float d = -1)
{
ObjLoader loader;
loader.LoadObj(ANSIStringFromTString(objFileName));
ObjModel* pModel = loader.ReturnObj();
// Cut the model first
if (cut)
removeModelPart(pModel, a, b, c, d);
// Calculate smoothed normals
computeNormals(pModel);
computeTangentSpace(pModel);
duplicateVerticesForDifferentTexCoords(pModel);
// for each triangle iterator
auto forEachTriangle = [&] (function<void (const ObjTriangle&)> callback) {
for (const ObjPart& part : pModel->Parts) {
for (int idxTri = part.TriIdxMin; idxTri < part.TriIdxMax; idxTri++) {
const ObjTriangle& tri = pModel->Triangles[idxTri];
callback(tri);
}
}
};
// Build vector -> { texCoord, normal, tangent } mapping
unordered_map<int, MapEntry> mapVectorToEntry;
forEachTriangle([&] (const ObjTriangle& tri) {
for (int j = 0; j < 3; j++) {
auto iter = mapVectorToEntry.find(tri.Vertex[j]);
if (iter != mapVectorToEntry.end()) continue;
MapEntry& entry = mapVectorToEntry[tri.Vertex[j]];
entry.id = -1;
entry.normal = tri.Normal[j];
entry.tangent = tri.Tangent[j];
entry.texCoord = tri.TexCoord[j];
}
});
ofstream pbrtOut;
if (pbrtFileName)
{
pbrtOut.open(pbrtFileName, ios::trunc);
if (!pbrtOut) {
cout << "Failed to open output file!" << endl;
return;
}
}
ostream& out = pbrtFileName ? pbrtOut : cout;
out << "AttributeBegin" << endl;
out << " Shape \"trianglemesh\"" << endl;
out << " \"point P\" [" << endl;
// record order of vertices
vector<int> vertexOrder;
forEachTriangle([&] (const ObjTriangle& tri) {
for (int j = 0; j < 3; j++) {
int vertexId = tri.Vertex[j];
auto iter = mapVectorToEntry.find(vertexId);
if (iter != mapVectorToEntry.end()) {
MapEntry& entry = iter->second;
if (entry.id < 0) {
entry.id = vertexOrder.size();
vertexOrder.push_back(vertexId);
const ObjVertex& v = pModel->Vertices[vertexId];
out << " " << v.x << " " << v.y << " " << v.z << endl;
}
}
}
});
out << " ]" << endl;
if (pModel->Normals.size() > 1) {
out << " \"normal N\" [" << endl;
for (int vertexId : vertexOrder) {
const MapEntry& entry = mapVectorToEntry[vertexId];
const ObjNormal& n = pModel->Normals[entry.normal];
out << " " << n.x << " " << n.y << " " << n.z << endl;
}
out << " ]" << endl;
}
if (pModel->Tangents.size() > 1) {
out << " \"vector S\" [" << endl;
for (int vertexId : vertexOrder) {
const MapEntry& entry = mapVectorToEntry[vertexId];
const ObjTangent& t = pModel->Tangents[entry.tangent];
out << " " << t.x << " " << t.y << " " << t.z << endl;
}
out << " ]" << endl;
}
if (pModel->TexCoords.size() > 1) {
out << " \"float uv\" [" << endl;
for (int vertexId : vertexOrder) {
const MapEntry& entry = mapVectorToEntry[vertexId];
const ObjTexCoord& tc = pModel->TexCoords[entry.texCoord];
out << " " << tc.U << " " << (mirror ? 1 - tc.V : tc.V) << endl;
}
out << " ]" << endl;
}
out << " \"integer indices\" [" << endl;
forEachTriangle([&] (const ObjTriangle& tri) {
out << " " << mapVectorToEntry[tri.Vertex[0]].id
<< " " << mapVectorToEntry[tri.Vertex[1]].id
<< " " << mapVectorToEntry[tri.Vertex[2]].id << endl;
});
out << " ]" << endl;
out << "AttributeEnd" << endl;
if (pbrtFileName)
pbrtOut.close();
delete pModel;
}