X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fobject.cpp;h=c4787d9fda34d68b4a3cee61b40a6fabf5f79052;hb=483f28cfaff846f74fd49cb73b9f45fe843011fe;hp=0a03b7a81a151da82ac76c41e04159e23fc4a963;hpb=a93d6abc8a4a3e70fa8f6781d9804583e18ef636;p=libs%2Fgl.git

diff --git a/source/object.cpp b/source/object.cpp
index 0a03b7a8..c4787d9f 100644
--- a/source/object.cpp
+++ b/source/object.cpp
@@ -24,44 +24,54 @@ namespace Msp {
 namespace GL {
 
 Object::Object():
-	meshes(1),
-	technique(0),
-	own_mesh(false),
-	own_technique(false)
+	meshes(1)
 { }
 
 Object::~Object()
 {
-	if(own_technique)
-		delete technique;
-	if(own_mesh)
-		delete meshes[0];
+}
+
+void Object::set_mesh(unsigned i, const Mesh *m)
+{
+	if(i>meshes.size())
+		throw InvalidParameterValue("LODs must be continuous");
+
+	if(i==meshes.size())
+		meshes.push_back(m);
+	else
+		meshes[i] = m;
+	meshes[i].keep();
+}
+
+void Object::set_technique(const Technique *t)
+{
+	technique = t;
+	technique.keep();
 }
 
 void Object::render(const Tag &tag) const
 {
-	const RenderPass *pass=get_pass(tag);
+	const RenderPass *pass = get_pass(tag);
 	if(!pass)
 		return;
 
-	Bind bind(*pass);
-	meshes[0]->draw();
+	Bind bind(pass);
+	meshes.front()->draw();
 }
 
 void Object::render(const ObjectInstance &inst, const Tag &tag) const
 {
-	const RenderPass *pass=get_pass(tag);
+	const RenderPass *pass = get_pass(tag);
 	if(!pass)
 		return;
 
-	Bind bind(*pass);
+	Bind bind(pass);
 	render_instance(inst, tag);
-	meshes[0]->draw();
 }
 
 const RenderPass *Object::get_pass(const Tag &tag) const
 {
-	if(!technique->has_pass(tag))
+	if(!technique || !technique->has_pass(tag))
 		return 0;
 	return &technique->get_pass(tag);
 }
@@ -69,7 +79,7 @@ const RenderPass *Object::get_pass(const Tag &tag) const
 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);
+	unsigned lod = min<unsigned>(inst.get_level_of_detail(), meshes.size()-1);
 	meshes[lod]->draw();
 	inst.finish_render(tag);
 }
@@ -89,46 +99,61 @@ Object::Loader::Loader(Object &o, Collection &c):
 
 void Object::Loader::init()
 {
-	allow_pointer_reload=false;
+	allow_pointer_reload = false;
 
-	add("lod_mesh", &Loader::lod_mesh);
 	add("mesh",     static_cast<void (Loader::*)()>(&Loader::mesh));
+	add("mesh",     static_cast<void (Loader::*)(unsigned)>(&Loader::mesh));
 	add("mesh",     static_cast<void (Loader::*)(const std::string &)>(&Loader::mesh));
-	add("technique", &Loader::technique);
-	add("technique", &Object::technique);
+	add("mesh",     static_cast<void (Loader::*)(unsigned, const std::string &)>(&Loader::mesh));
+	// Deprecated alias, will be removed
+	add("lod_mesh", static_cast<void (Loader::*)(unsigned, const std::string &)>(&Loader::mesh));
+	add("technique", static_cast<void (Loader::*)()>(&Loader::technique));
+	add("technique", static_cast<void (Loader::*)(const std::string &)>(&Loader::technique));
 }
 
-void Object::Loader::lod_mesh(unsigned l, const string &n)
+void Object::Loader::mesh()
 {
-	obj.meshes.resize(l+1, 0);
-	obj.meshes[l]=get_collection().get<Mesh>(n);
+	RefPtr<Mesh> msh = new Mesh;
+	load_sub(*msh);
+	obj.meshes.front() = msh;
 }
 
-void Object::Loader::mesh()
+void Object::Loader::mesh(unsigned l)
 {
-	if(obj.meshes[0])
-		throw InvalidState("A mesh is already loaded");
+	if(l>obj.meshes.size())
+		throw InvalidParameterValue("LODs must be continuous");
 
-	RefPtr<Mesh> msh=new Mesh;
+	RefPtr<Mesh> msh = new Mesh;
 	load_sub(*msh);
-	obj.meshes[0]=msh.release();
-	obj.own_mesh=true;
+	if(l==obj.meshes.size())
+		obj.meshes.push_back(msh);
+	else
+		obj.meshes[l] = msh;
 }
 
 void Object::Loader::mesh(const std::string &n)
 {
-	if(obj.meshes[0])
-		throw InvalidState("A mesh is already loaded");
+	obj.set_mesh(get_collection().get<Mesh>(n));
+}
 
-	obj.meshes[0]=get_collection().get<Mesh>(n);
+void Object::Loader::mesh(unsigned l, const string &n)
+{
+	obj.set_mesh(l, 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;
+	RefPtr<Technique> tech = new Technique;
+	if(coll)
+		load_sub(*tech, get_collection());
+	else
+		load_sub(*tech);
+	obj.technique = tech;
+}
+
+void Object::Loader::technique(const std::string &n)
+{
+	obj.set_technique(get_collection().get<Technique>(n));
 }
 
 } // namespace GL