liImg *lrmResourceManager::LoadImg(const std::string &filename)
{
map<string,liImg *>::iterator I = LoadedImages.find(filename);
map<string,liFramebuffer *>::iterator J = AddedFramebuffers.find(filename);
if(J != AddedFramebuffers.end())
{
return J->second->GetColorBuffer();
}
if(I == LoadedImages.end())
{
BMP *Bmp = new BMP(ImagePath + filename);
if(Bmp->GetError() != BMP::ERR_OK)
{
delete Bmp;
cerr << "Nem sikerult betolteni a kepfajlt: " << filename << endl;
LoadedImages[filename] = nullptr;
return nullptr;
}
#ifdef L_TESTING
Bmp->Print(cout);
#endif
liImg *Img;
GPUFactory->UploadImage(Img,Bmp);
delete Bmp;
LoadedImages[filename] = Img;
return Img;
}
else
{
return I->second;
}
//return LoadedImages[filename];
}
liStaticMesh *lrmResourceManager::LoadHeightmap(const std::string &filename)
{
auto I = LoadedStaticMeshes.find(filename);
if(I != LoadedStaticMeshes.end())
{
return LoadedStaticMeshes[filename];
}
BMP *bmp = new BMP(HeightmapPath + filename);
if(bmp->GetError() != BMP::ERR_OK)
{
std::cerr << "Couldn't open file " << filename << std::endl;
delete bmp;
return nullptr;
}
bmp->Print(cout);
lrmStaticMesh *StaticMeshSrc = new lrmStaticMesh();
LoadHeightmapVertices(bmp,StaticMeshSrc->Vertices);
StaticMeshSrc->Normals.resize(bmp->GetHeight() * bmp->GetWidth());
StaticMeshSrc->Tangents.resize(bmp->GetHeight() * bmp->GetWidth());
StaticMeshSrc->Bitangents.resize(bmp->GetHeight() * bmp->GetWidth());
StaticMeshSrc->TexCoords.resize(bmp->GetHeight() * bmp->GetWidth());
lrmStaticMesh::lrmMtlGroup *MtlGroup = new lrmStaticMesh::lrmMtlGroup();
MtlGroup->Material = "Material";
StaticMeshSrc->MatGroups.push_back(MtlGroup);
bool Puszcsy = true;
bool Szercsy = true;
for(int i=0;i < bmp->GetHeight()-1;i++)
{
for(int j=0;j < bmp->GetWidth()-1;j++)
{
const lmVector3D &V1 = StaticMeshSrc->Vertices[i * bmp->GetWidth() + j ];
const lmVector3D &V2 = StaticMeshSrc->Vertices[i * bmp->GetWidth() + (j+1)];
const lmVector3D &V3 = StaticMeshSrc->Vertices[(i+1) * bmp->GetWidth() + j ];
const lmVector3D &V4 = StaticMeshSrc->Vertices[(i+1) * bmp->GetWidth() + (j+1)];
lmVector3D Normal1 = lmCross(V2-V1,V4-V1);
Normal1.Normalize();
lmVector3D Normal2 = lmCross(V4-V1,V3-V1);
Normal2.Normalize();
LoadHeightmapTriangles_SM(bmp,i,j,Normal1,Normal2,StaticMeshSrc->Normals,StaticMeshSrc->MatGroups[0]->IndexBuffer);
if(Puszcsy)
{
StaticMeshSrc->TexCoords[i * bmp->GetWidth() + (j+1)][0] = 1.0;
}
Puszcsy = !Puszcsy;
if(Szercsy)
{
StaticMeshSrc->TexCoords[(i+1) * bmp->GetWidth() + j ][1] = 1.0;
StaticMeshSrc->TexCoords[(i+1) * bmp->GetWidth() + (j+1)][1] = 1.0;
}
}
Szercsy = !Szercsy;
}
delete bmp;
for(lmVector3D &Normal : StaticMeshSrc->Normals)
{
Normal.Normalize();
}
for(int i=0;i < StaticMeshSrc->Normals.size();i++)
{
//lmVector3D Tangent = lmCross(lmCross(StaticMeshSrc->Normals[i],(-1.0)*StaticMeshSrc->Vertices[i]),StaticMeshSrc->Normals[i]);
lmVector3D Tangent = lmCross(lmCross(StaticMeshSrc->Normals[i],{1.0,0.0,0.0}),StaticMeshSrc->Normals[i]);
Tangent.Normalize();
StaticMeshSrc->Tangents[i] = Tangent;
lmVector3D Bitangent = lmCross(Tangent,StaticMeshSrc->Normals[i]);
Bitangent.Normalize();
StaticMeshSrc->Bitangents[i] = Bitangent;
}
liStaticMesh *StaticMesh;
GPUFactory->UploadStaticMesh(StaticMesh,StaticMeshSrc);
delete StaticMeshSrc;
LoadedStaticMeshes[filename] = StaticMesh;
return LoadedStaticMeshes[filename];
}
