X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fobject.cpp;h=c4787d9fda34d68b4a3cee61b40a6fabf5f79052;hb=2f09d68a0844d2838d116d93d3ecc69723b52f16;hp=0469c31a99629187f17ce7d5dde803823636bb2e;hpb=85e83ace47e5a9a8ae7263886255dd81afc69278;p=libs%2Fgl.git

diff --git a/source/object.cpp b/source/object.cpp
index 0469c31a..c4787d9f 100644
--- a/source/object.cpp
+++ b/source/object.cpp
@@ -5,6 +5,8 @@ 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"
@@ -12,6 +14,7 @@ Distributed under the LGPL
 #include "objectinstance.h"
 #include "program.h"
 #include "programdata.h"
+#include "technique.h"
 #include "texture.h"
 #include "texunit.h"
 
@@ -21,121 +24,136 @@ namespace Msp {
 namespace GL {
 
 Object::Object():
-	mesh(0),
-	shprog(0),
-	shdata(0),
-	material(0)
+	meshes(1)
 { }
 
 Object::~Object()
 {
-	delete shdata;
 }
 
-void Object::render(const ObjectInstance *inst) const
+void Object::set_mesh(unsigned i, const Mesh *m)
 {
-	setup_render();
+	if(i>meshes.size())
+		throw InvalidParameterValue("LODs must be continuous");
 
-	if(inst)
-		inst->setup_render();
-
-	mesh->draw();
-
-	if(inst)
-		inst->finish_render();
+	if(i==meshes.size())
+		meshes.push_back(m);
+	else
+		meshes[i] = m;
+	meshes[i].keep();
+}
 
-	finish_render();
+void Object::set_technique(const Technique *t)
+{
+	technique = t;
+	technique.keep();
 }
 
-void Object::render(const list<const ObjectInstance *> &insts) const
+void Object::render(const Tag &tag) const
 {
-	setup_render();
+	const RenderPass *pass = get_pass(tag);
+	if(!pass)
+		return;
 
-	for(list<const ObjectInstance *>::const_iterator i=insts.begin(); i!=insts.end(); ++i)
-	{
-		(*i)->setup_render();
+	Bind bind(pass);
+	meshes.front()->draw();
+}
 
-		mesh->draw();
+void Object::render(const ObjectInstance &inst, const Tag &tag) const
+{
+	const RenderPass *pass = get_pass(tag);
+	if(!pass)
+		return;
 
-		(*i)->finish_render();
-	}
+	Bind bind(pass);
+	render_instance(inst, tag);
+}
 
-	finish_render();
+const RenderPass *Object::get_pass(const Tag &tag) const
+{
+	if(!technique || !technique->has_pass(tag))
+		return 0;
+	return &technique->get_pass(tag);
 }
 
-void Object::setup_render() const
+void Object::render_instance(const ObjectInstance &inst, const Tag &tag) const
 {
-	if(!mesh)
-		throw InvalidState("Trying to render Object without mesh");
+	inst.setup_render(tag);
+	unsigned lod = min<unsigned>(inst.get_level_of_detail(), meshes.size()-1);
+	meshes[lod]->draw();
+	inst.finish_render(tag);
+}
 
-	if(shprog)
-	{
-		shprog->bind();
-		shdata->apply();
-		for(unsigned i=0; i<textures.size(); ++i)
-		{
-			TexUnit::activate(i);
-			textures[i]->bind();
-		}
-	}
-	else if(!textures.empty())
-		textures.front()->bind();
 
-	if(material)
-		material->apply();
+Object::Loader::Loader(Object &o):
+	DataFile::CollectionObjectLoader<Object>(o, 0)
+{
+	init();
 }
 
-void Object::finish_render() const
+Object::Loader::Loader(Object &o, Collection &c):
+	DataFile::CollectionObjectLoader<Object>(o, &c)
 {
-	if(shprog)
-		Program::unbind();
-	for(unsigned i=0; i<textures.size(); ++i)
-	{
-		TexUnit::activate(i);
-		Texture::unbind();
-	}
+	init();
 }
 
+void Object::Loader::init()
+{
+	allow_pointer_reload = false;
+
+	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("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));
+}
 
-Object::Loader::Loader(Object &o, Collection &c):
-	obj(o),
-	coll(c)
+void Object::Loader::mesh()
 {
-	add("material", &Object::material);
-	add("mesh",     &Object::mesh);
-	add("shader",   &Loader::shader);
-	add("texture",  &Loader::texture);
+	RefPtr<Mesh> msh = new Mesh;
+	load_sub(*msh);
+	obj.meshes.front() = msh;
 }
 
-Object::Loader::~Loader()
+void Object::Loader::mesh(unsigned l)
 {
-	if(obj.shdata)
-	{
-		for(unsigned i=0; i<textures.size(); ++i)
-			obj.shdata->uniform(obj.shprog->get_uniform_location(textures[i]), static_cast<int>(i));
-	}
+	if(l>obj.meshes.size())
+		throw InvalidParameterValue("LODs must be continuous");
+
+	RefPtr<Mesh> msh = new Mesh;
+	load_sub(*msh);
+	if(l==obj.meshes.size())
+		obj.meshes.push_back(msh);
+	else
+		obj.meshes[l] = msh;
 }
 
-void Object::Loader::shader(const string &n)
+void Object::Loader::mesh(const std::string &n)
 {
-	obj.shprog=&coll.get<Program>(n);
-	if(!obj.shdata)
-		obj.shdata=new ProgramData;
+	obj.set_mesh(get_collection().get<Mesh>(n));
 }
 
-void Object::Loader::texture(const string &n)
+void Object::Loader::mesh(unsigned l, const string &n)
 {
-	unsigned eqsign=n.find('=');
-	if(eqsign!=string::npos)
-	{
-		obj.textures.push_back(&coll.get<Texture>(n.substr(eqsign+1)));
-		textures.push_back(n.substr(0, eqsign));
-	}
+	obj.set_mesh(l, get_collection().get<Mesh>(n));
+}
+
+void Object::Loader::technique()
+{
+	RefPtr<Technique> tech = new Technique;
+	if(coll)
+		load_sub(*tech, get_collection());
 	else
-	{
-		obj.textures.push_back(&coll.get<Texture>(n));
-		textures.push_back(n);
-	}
+		load_sub(*tech);
+	obj.technique = tech;
+}
+
+void Object::Loader::technique(const std::string &n)
+{
+	obj.set_technique(get_collection().get<Technique>(n));
 }
 
 } // namespace GL