SDGeometryHandle compile_geometry(SDRenderMode mode, SDVec2* vertices, SDuint numVertices, SDuint* indices, SDuint numIndices) {
kglt::MeshID new_mesh = stage()->new_mesh();
{
auto mesh = stage()->mesh(new_mesh);
auto submesh = mesh->new_submesh(
stage()->get_material_with_alias("diffuse_render"),
(mode == SD_RENDER_MODE_TRIANGLES) ? kglt::MESH_ARRANGEMENT_TRIANGLES : kglt::MESH_ARRANGEMENT_LINES, true
);
for(SDuint i = 0; i < numVertices; ++i) {
mesh->shared_data().position(vertices[i]);
mesh->shared_data().diffuse(kglt::Colour::WHITE);
mesh->shared_data().move_next();
}
for(SDuint i = 0; i < numIndices; ++i) {
mesh->submesh(submesh).index_data().index(indices[i]);
}
mesh->submesh(submesh).index_data().done();
mesh->shared_data().done();
}
kglt::ActorID new_actor = stage()->new_actor(new_mesh);
return new_actor.value();
}
void Debug::draw_line(const Vec3 &start, const Vec3 &end, const Colour &colour, double duration, bool depth_test) {
auto mesh = stage_.mesh(mesh_);
DebugElement element;
element.submesh = mesh->new_submesh(material_, MESH_ARRANGEMENT_LINE_STRIP, /*shares_vertices=*/ false);
element.colour = colour;
element.duration = duration;
element.depth_test = depth_test;
element.type = DebugElementType::DET_LINE;
auto& submesh = mesh->submesh(element.submesh);
submesh.vertex_data().move_to_start();
submesh.vertex_data().position(start);
submesh.vertex_data().diffuse(colour);
submesh.vertex_data().move_next();
submesh.vertex_data().position(end);
submesh.vertex_data().diffuse(colour);
submesh.vertex_data().done();
submesh.index_data().index(0);
submesh.index_data().index(1);
submesh.index_data().done();
elements_.push_back(element);
}
void Boid::enable_debug(bool value) {
assert(actor_);
Stage* stage = actor_->stage();
assert(stage);
if(value) {
if(!debug_mesh_) {
debug_mesh_ = stage->new_mesh();
}
auto mesh = stage->mesh(debug_mesh_).lock();
mesh->clear();
auto smi = mesh->new_submesh(kglt::MaterialID(), MESH_ARRANGEMENT_LINE_STRIP, false);
normal_points_mesh_ = mesh->new_submesh(kglt::MaterialID(), MESH_ARRANGEMENT_POINTS, false);
{
auto mat = stage->material(mesh->submesh(normal_points_mesh_).material_id());
mat->technique().pass(0).set_point_size(5);
}
for(uint32_t i = 0; i < path_.length(); ++i) {
mesh->submesh(smi).vertex_data().position(path_.point(i));
mesh->submesh(smi).vertex_data().diffuse(kglt::Colour::blue);
mesh->submesh(smi).vertex_data().tex_coord0(kglt::Vec2());
mesh->submesh(smi).vertex_data().tex_coord1(kglt::Vec2());
mesh->submesh(smi).vertex_data().normal(kglt::Vec3());
mesh->submesh(smi).vertex_data().move_next();
mesh->submesh(smi).index_data().index(i);
}
mesh->submesh(smi).vertex_data().done();
mesh->submesh(smi).index_data().done();
if(!debug_actor_) {
debug_actor_ = stage->new_actor(debug_mesh_);
}
} else {
stage->delete_actor(debug_actor_);
debug_actor_ = kglt::ActorID();
debug_mesh_ = kglt::MeshID();
}
}
MeshID ResourceManagerImpl::new_mesh_from_vertices(const std::vector<Vec3> &vertices, MeshArrangement arrangement, bool garbage_collect) {
//FIXME: THis is literally a copy/paste of the function above, we can templatize this
MeshID m = new_mesh(garbage_collect);
auto new_mesh = mesh(m);
auto smi = new_mesh->new_submesh(arrangement);
int i = 0;
for(auto v: vertices) {
new_mesh->shared_data().position(v);
new_mesh->shared_data().diffuse(kglt::Colour::WHITE);
new_mesh->shared_data().normal(kglt::Vec3());
new_mesh->shared_data().tex_coord0(kglt::Vec2());
new_mesh->shared_data().move_next();
new_mesh->submesh(smi)->index_data().index(i++);
}
new_mesh->shared_data().done();
new_mesh->submesh(smi)->index_data().done();
MeshManager::mark_as_uncollected(m);
return m;
}
