-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/datafile/collection.h>
-#include <msp/strings/formatter.h>
-#include "except.h"
-#include "material.h"
-#include "mesh.h"
-#include "object.h"
-#include "objectinstance.h"
-#include "program.h"
-#include "programdata.h"
-#include "technique.h"
-#include "texture.h"
-#include "texunit.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Object::Object():
- meshes(1),
- technique(0),
- own_mesh(false),
- own_technique(false)
-{ }
-
-Object::~Object()
-{
- if(own_technique)
- delete technique;
- if(own_mesh)
- delete meshes[0];
-}
-
-void Object::render(const Tag &tag) const
-{
- const RenderPass *pass=get_pass(tag);
- if(!pass)
- return;
-
- Bind bind(*pass);
- meshes[0]->draw();
-}
-
-void Object::render(const ObjectInstance &inst, const Tag &tag) const
-{
- const RenderPass *pass=get_pass(tag);
- if(!pass)
- return;
-
- Bind bind(*pass);
- render_instance(inst, tag);
- meshes[0]->draw();
-}
-
-const RenderPass *Object::get_pass(const Tag &tag) const
-{
- if(!technique->has_pass(tag))
- return 0;
- return &technique->get_pass(tag);
-}
-
-void Object::render_instance(const ObjectInstance &inst, const Tag &tag) const
-{
- inst.setup_render(tag);
- unsigned lod=min<unsigned>(inst.get_level_of_detail(), meshes.size()-1);
- meshes[lod]->draw();
- inst.finish_render(tag);
-}
-
-
-Object::Loader::Loader(Object &o):
- DataFile::CollectionObjectLoader<Object>(o, 0)
-{
- init();
-}
-
-Object::Loader::Loader(Object &o, Collection &c):
- DataFile::CollectionObjectLoader<Object>(o, &c)
-{
- init();
-}
-
-void Object::Loader::init()
-{
- allow_pointer_reload=false;
-
- add("lod_mesh", &Loader::lod_mesh);
- add("mesh", static_cast<void (Loader::*)()>(&Loader::mesh));
- add("mesh", static_cast<void (Loader::*)(const std::string &)>(&Loader::mesh));
- add("technique", &Loader::technique);
- add("technique", &Object::technique);
-}
-
-void Object::Loader::lod_mesh(unsigned l, const string &n)
-{
- obj.meshes.resize(l+1, 0);
- obj.meshes[l]=get_collection().get<Mesh>(n);
-}
-
-void Object::Loader::mesh()
-{
- if(obj.meshes[0])
- throw InvalidState("A mesh is already loaded");
-
- RefPtr<Mesh> msh=new Mesh;
- load_sub(*msh);
- obj.meshes[0]=msh.release();
- obj.own_mesh=true;
-}
-
-void Object::Loader::mesh(const std::string &n)
-{
- if(obj.meshes[0])
- throw InvalidState("A mesh is already loaded");
-
- obj.meshes[0]=get_collection().get<Mesh>(n);
-}
-
-void Object::Loader::technique()
-{
- RefPtr<Technique> tch=new Technique;
- load_sub(*tch, get_collection());
- obj.technique=tch.release();
- obj.own_technique=true;
-}
-
-} // namespace GL
-} // namespace Msp