Drawable::~Drawable()
{
if (vertex_format_)
renderer_->DeleteVertexFormat(vertex_format_);
if (vertex_buffer_)
renderer_->DeleteVertexBuffer(vertex_buffer_);
if (vertex_array_object_)
renderer_->context()->DeleteVertexArrayObject(vertex_array_object_);
FreeArrays();
}
void PRTHierarchyMapping::GetMapping(
Mesh* renderMesh, Mesh* approxMesh,
int* mappingIndices, float* mappingWeights)
{
mTree = new K3Tree(renderMesh, approxMesh);
mTree->FillTreeWithData();
bool debug = false;
InitArrays();
for(int i = 0; i < renderMesh->GetNumVertices(); ++i) {
Vertex* vertices = renderMesh->GetVertices();
Vertex vertex = vertices[i];
if(i == 12314 || i == 12272 || i == 12266) {
PD(L"mapping info for vertex ", i);
PD(L"Blue, Point[{", vertex.pos.x);
PD(L",", vertex.pos.y);
PD(L",", vertex.pos.z);
PD(L"}]");
mTree->SetDebug(true);
debug = true;
}
else{
mTree->SetDebug(false);
debug = false;
}
mTree->GetMapping(vertex, indices, weights);
float sumOfWeights = 0;
for(int k = 0; k < 3; ++k) {
if(debug) {
PD(L"nn: ", k);
PD(L"index :", indices[k]);
PD(L"weights :", weights[k]);
}
mappingIndices[(i*3) + k] = indices[k];
mappingWeights[(i*3) + k] = weights[k];
sumOfWeights += weights[k];
}
if(sumOfWeights > 1.001f || sumOfWeights < 0.999f) {
PD(L"sum of weights not 1");
}
}
FreeArrays();
}
void Drawable::MakeRenderable()
{
assert(!attribs_.empty());
renderer_->AddVertexFormat(vertex_format_, &attribs_[0], (u32)attribs_.size());
renderer_->context()->CheckForErrors();
renderer_->context()->GenVertexArrayObject(vertex_array_object_);
renderer_->context()->BindVertexArrayObject(vertex_array_object_);
renderer_->context()->CheckForErrors();
renderer_->AddVertexBuffer(vertex_buffer_, num_vertices_ * vertex_format_->vertex_size(), vertices_array_, sht::graphics::BufferUsage::kStaticDraw);
renderer_->context()->CheckForErrors();
if (vertex_buffer_ == nullptr)
{
can_render_ = false;
return;
}
// Free all data in memory
FreeArrays();
// There is only one attribute
const char* base = (char*)0;
for (u32 i = 0; i < attribs_.size(); ++i)
{
const sht::graphics::VertexFormat::Attrib& vf_attrib = vertex_format_->generic(i);
renderer_->context()->VertexAttribPointer(i, vf_attrib.size, sht::graphics::DataType::kFloat, vertex_format_->vertex_size(), base + vf_attrib.offset);
renderer_->context()->CheckForErrors();
renderer_->context()->EnableVertexAttribArray(i);
renderer_->context()->CheckForErrors();
}
renderer_->context()->BindVertexArrayObject(0);
renderer_->context()->CheckForErrors();
attribs_.clear();
attribs_.shrink_to_fit();
can_render_ = true;
}
