-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/strings/formatter.h>
+#include <msp/core/refptr.h>
+#include <msp/datafile/collection.h>
+#include <msp/strings/format.h>
#include "material.h"
#include "program.h"
#include "programdata.h"
namespace Msp {
namespace GL {
-Technique::Technique():
- main_texture(0),
- normal_pass(&passes[0]),
- material(0)
-{ }
-
-Technique::~Technique()
+RenderPass &Technique::add_pass(const Tag &tag)
{
- for(PassMap::iterator i=passes.begin(); i!=passes.end(); ++i)
- delete i->second.shdata;
+ return insert_unique(passes, tag, RenderPass())->second;
}
-bool Technique::has_pass(const GL::Tag &tag) const
+bool Technique::has_pass(const Tag &tag) const
{
return passes.count(tag);
}
-const ObjectPass &Technique::get_pass(const GL::Tag &tag) const
+const RenderPass &Technique::get_pass(const Tag &tag) const
{
- PassMap::const_iterator i=passes.find(tag);
- if(i==passes.end())
- throw KeyError("Unknown pass");
- return i->second;
+ return get_item(passes, tag);
}
-unsigned Technique::get_texture_index(const std::string &n) const
+bool Technique::replace_texture(const string &slot, const Texture &tex)
{
- for(unsigned i=0; i<textures.size(); ++i)
- if(textures[i].name==n)
- return i;
+ bool replaced = false;
+ for(PassMap::iterator i=passes.begin(); i!=passes.end(); ++i)
+ {
+ int index = i->second.get_texture_index(slot);
+ if(index>=0)
+ {
+ i->second.set_texture(index, &tex);
+ replaced = true;
+ }
+ }
- throw KeyError("Unknown texture slot", n);
+ return replaced;
}
-const Texture *Technique::get_texture(unsigned i) const
+bool Technique::replace_material(const string &slot, const Material &mat)
{
- if(i>=textures.size())
- throw KeyError("Texture index out of range");
+ bool replaced = false;
+ for(PassMap::iterator i=passes.begin(); i!=passes.end(); ++i)
+ {
+ const string &pass_slot = i->second.get_material_slot_name();
+ if(!pass_slot.empty() && pass_slot==slot)
+ {
+ i->second.set_material(&mat);
+ replaced = true;
+ }
+ }
+
+ return replaced;
+}
- return textures[i].texture;
+bool Technique::has_shaders() const
+{
+ for(PassMap::const_iterator i=passes.begin(); i!=passes.end(); ++i)
+ if(i->second.get_shader_program())
+ return true;
+ return false;
}
+Technique::Loader::Loader(Technique &t):
+ DataFile::CollectionObjectLoader<Technique>(t, 0)
+{
+ init();
+}
+
Technique::Loader::Loader(Technique &t, Collection &c):
- tech(t),
- coll(c)
+ DataFile::CollectionObjectLoader<Technique>(t, &c)
{
- add("material", &Technique::material);
- add("material_inline", &Loader::material_inline);
- add("pass", &Loader::pass);
- add("shader", &Loader::shader);
- add("shader_texture", &Loader::shader_texture);
- add("texture", &Loader::texture);
- add("texture_slot", &Loader::texture_slot);
+ init();
}
-void Technique::Loader::finish()
+void Technique::Loader::init()
{
- for(PassMap::iterator i=tech.passes.begin(); i!=tech.passes.end(); ++i)
- if(i->second.shdata)
- {
- for(unsigned j=0; j<tech.textures.size(); ++j)
- {
- unsigned loc=i->second.shprog->get_uniform_location(tech.textures[j].name);
- i->second.shdata->uniform(loc, static_cast<int>(j));
- }
- }
+ add("inherit", &Loader::inherit);
+ add("pass", &Loader::pass);
}
-void Technique::Loader::material_inline()
+void Technique::Loader::inherit(const string &n)
{
- RefPtr<Material> mat=new Material;
- load_sub(*mat);
- coll.add(format("_%p", mat.get()), mat.get());
- tech.material=mat.release();
+ obj.passes = get_collection().get<Technique>(n).get_passes();
+ InheritLoader ldr(obj, get_collection());
+ load_sub_with(ldr);
}
void Technique::Loader::pass(const string &n)
{
- Tag tag(n);
- if(tech.passes.count(tag))
- throw KeyError("Duplicate pass name", n);
- ObjectPass p;
- load_sub(p, coll);
- tech.passes[tag]=p;
+ RenderPass p;
+ if(coll)
+ load_sub(p, get_collection());
+ else
+ load_sub(p);
+
+ insert_unique(obj.passes, n, p);
}
-void Technique::Loader::shader(const string &n)
-{
- Program *shprog=coll.get<Program>(n);
- if(shprog) // Allow for unsupported shaders
- {
- RefPtr<ProgramData> shdata=new ProgramData;
- load_sub(*shdata, *shprog);
- tech.normal_pass->shprog=shprog;
- if(tech.normal_pass->shdata)
- delete tech.normal_pass->shdata;
- tech.normal_pass->shdata=shdata.release();
- }
+Technique::InheritLoader::InheritLoader(Technique &t, Collection &c):
+ DataFile::CollectionObjectLoader<Technique>(t, &c)
+{
+ add("material", &InheritLoader::material);
+ add("texture", &InheritLoader::texture);
}
-void Technique::Loader::shader_texture(const string &n)
+void Technique::InheritLoader::material(const string &slot, const string &name)
{
- string::size_type eqsign=n.find('=');
- TextureSlot tex;
- if(eqsign!=string::npos)
+ const Material &mat = get_collection().get<Material>(name);
+ if(obj.replace_material(slot, mat))
+ return;
+
+ // For backwards compatibility
+ RenderPass &pass = get_item(obj.passes, slot);
+ if(const Material *base_mat = pass.get_material())
{
- tex.name=n.substr(0, eqsign);
- tex.texture=coll.get<Texture>(n.substr(eqsign+1));
+ for(PassMap::iterator i=obj.passes.begin(); i!=obj.passes.end(); ++i)
+ if(i->second.get_material()==base_mat)
+ i->second.set_material(&mat);
}
else
- {
- string::size_type dot=n.rfind('.');
- tex.name=n.substr(0, dot);
- tex.texture = coll.get<Texture>(n);
- }
- for(string::iterator i=tex.name.begin(); i!=tex.name.end(); ++i)
- if(!isalnum(*i))
- *i='_';
- tech.textures.push_back(tex);
-}
-
-void Technique::Loader::texture(const string &n)
-{
- if(tech.main_texture)
- throw Exception("Only one main texture may be specified");
-
- tech.main_texture=coll.get<Texture>(n);
- TextureSlot tex;
- tex.name="texture";
- tex.texture=tech.main_texture;
- tech.textures.push_back(tex);
+ pass.set_material(&mat);
}
-void Technique::Loader::texture_slot(const string &n)
+void Technique::InheritLoader::texture(const string &slot, const string &name)
{
- TextureSlot tex;
- tex.name=n;
- tech.textures.push_back(tex);
+ if(!obj.replace_texture(slot, get_collection().get<Texture>(name)))
+ throw key_error(slot);
}
} // namespace GL
projects / libs / gl.git / blobdiff