3 This file is part of libmspgl
4 Copyright © 2007 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
8 #include <msp/datafile/collection.h>
9 #include <msp/strings/formatter.h>
14 #include "objectinstance.h"
16 #include "programdata.h"
17 #include "technique.h"
34 void Object::set_mesh(unsigned i, const Mesh *m)
37 throw InvalidParameterValue("LODs must be continuous");
46 void Object::set_technique(const Technique *t)
52 void Object::render(const Tag &tag) const
54 const RenderPass *pass = get_pass(tag);
59 meshes.front()->draw();
62 void Object::render(const ObjectInstance &inst, const Tag &tag) const
64 const RenderPass *pass = get_pass(tag);
69 render_instance(inst, tag);
72 const RenderPass *Object::get_pass(const Tag &tag) const
74 if(!technique || !technique->has_pass(tag))
76 return &technique->get_pass(tag);
79 void Object::render_instance(const ObjectInstance &inst, const Tag &tag) const
81 inst.setup_render(tag);
82 unsigned lod = min<unsigned>(inst.get_level_of_detail(), meshes.size()-1);
84 inst.finish_render(tag);
88 Object::Loader::Loader(Object &o):
89 DataFile::CollectionObjectLoader<Object>(o, 0)
94 Object::Loader::Loader(Object &o, Collection &c):
95 DataFile::CollectionObjectLoader<Object>(o, &c)
100 void Object::Loader::init()
102 allow_pointer_reload = false;
104 add("mesh", static_cast<void (Loader::*)()>(&Loader::mesh));
105 add("mesh", static_cast<void (Loader::*)(unsigned)>(&Loader::mesh));
106 add("mesh", static_cast<void (Loader::*)(const std::string &)>(&Loader::mesh));
107 add("mesh", static_cast<void (Loader::*)(unsigned, const std::string &)>(&Loader::mesh));
108 // Deprecated alias, will be removed
109 add("lod_mesh", static_cast<void (Loader::*)(unsigned, const std::string &)>(&Loader::mesh));
110 add("technique", static_cast<void (Loader::*)()>(&Loader::technique));
111 add("technique", static_cast<void (Loader::*)(const std::string &)>(&Loader::technique));
114 void Object::Loader::mesh()
116 RefPtr<Mesh> msh = new Mesh;
118 obj.meshes.front() = msh;
121 void Object::Loader::mesh(unsigned l)
123 if(l>obj.meshes.size())
124 throw InvalidParameterValue("LODs must be continuous");
126 RefPtr<Mesh> msh = new Mesh;
128 if(l==obj.meshes.size())
129 obj.meshes.push_back(msh);
134 void Object::Loader::mesh(const std::string &n)
136 obj.set_mesh(get_collection().get<Mesh>(n));
139 void Object::Loader::mesh(unsigned l, const string &n)
141 obj.set_mesh(l, get_collection().get<Mesh>(n));
144 void Object::Loader::technique()
146 RefPtr<Technique> tech = new Technique;
148 load_sub(*tech, get_collection());
151 obj.technique = tech;
154 void Object::Loader::technique(const std::string &n)
156 obj.set_technique(get_collection().get<Technique>(n));