3 This file is part of libmspgl
4 Copyright © 2007 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
8 #include <msp/strings/formatter.h>
13 #include "objectinstance.h"
14 #include "objectpass.h"
16 #include "programdata.h"
26 meshes(1, static_cast<Mesh *>(0)),
30 normal_pass=&passes[0];
35 for(map<unsigned, ObjectPass>::iterator i=passes.begin(); i!=passes.end(); ++i)
36 delete i->second.shdata;
39 bool Object::has_pass(const Tag &tag) const
41 return passes.count(tag.id);
44 const ObjectPass &Object::get_pass(const Tag &tag) const
46 map<unsigned, ObjectPass>::const_iterator i=passes.find(tag.id);
48 throw KeyError("Unknown pass");
52 void Object::render(const Tag &tag) const
54 render(get_pass(tag), 0);
57 void Object::render(const ObjectInstance &inst, const Tag &tag) const
59 render(get_pass(tag), &inst);
62 void Object::setup_render(const ObjectPass &pass) const
65 throw InvalidState("Trying to render Object without mesh");
71 for(unsigned i=0; i<textures.size(); ++i)
77 else if(main_texture && pass.use_textures)
84 void Object::finish_render(const ObjectPass &pass) const
89 for(unsigned i=textures.size(); i--;)
102 void Object::render(const ObjectPass &pass, const ObjectInstance *inst) const
107 render_instance(pass, *inst);
114 void Object::render_instance(const ObjectPass &pass, const ObjectInstance &inst) const
116 inst.setup_render(pass);
117 unsigned lod=min(inst.get_level_of_detail(), meshes.size()-1);
119 inst.finish_render(pass);
123 Object::Loader::Loader(Object &o, Collection &c):
127 add("lod_mesh", &Loader::lod_mesh);
128 add("material", &Object::material);
129 add("material_inline", &Loader::material_inline);
130 add("mesh", &Loader::mesh);
131 add("pass", &Loader::pass);
132 add("shader", &Loader::shader);
133 add("shader_texture", &Loader::shader_texture);
134 add("texture", &Loader::texture);
137 void Object::Loader::finish()
139 for(map<unsigned, ObjectPass>::iterator i=obj.passes.begin(); i!=obj.passes.end(); ++i)
142 for(unsigned j=0; j<textures.size(); ++j)
143 i->second.shdata->uniform(i->second.shprog->get_uniform_location(textures[j]), static_cast<int>(j));
147 void Object::Loader::lod_mesh(unsigned l, const string &n)
149 obj.meshes.resize(l+1, 0);
150 obj.meshes[l]=coll.get<Mesh>(n);
153 void Object::Loader::material_inline()
155 RefPtr<Material> mat=new Material;
157 coll.add(format("%p%p", &obj, mat.get()), mat.get());
158 obj.material=mat.release();
161 void Object::Loader::mesh(const string &n)
163 obj.meshes[0]=coll.get<Mesh>(n);
166 void Object::Loader::pass(const string &n)
168 unsigned id=Tag(n).id;
169 if(obj.passes.count(id))
170 throw KeyError("Duplicate pass name");
176 void Object::Loader::shader(const string &n)
178 Program *shprog=coll.get<Program>(n);
179 if(shprog) // Allow for unsupported shaders
181 RefPtr<ProgramData> shdata=new ProgramData;
182 load_sub(*shdata, *shprog);
184 obj.normal_pass->shprog=shprog;
185 if(obj.normal_pass->shdata)
186 delete obj.normal_pass->shdata;
187 obj.normal_pass->shdata=shdata.release();
191 void Object::Loader::shader_texture(const string &n)
193 unsigned eqsign=n.find('=');
194 if(eqsign!=string::npos)
196 obj.textures.push_back(coll.get<Texture>(n.substr(eqsign+1)));
197 textures.push_back(n.substr(0, eqsign));
201 obj.textures.push_back(coll.get<Texture>(n));
202 textures.push_back(n);
206 void Object::Loader::texture(const string &n)
209 throw Exception("Only one main texture may be specified");
211 obj.main_texture=coll.get<Texture>(n);
212 obj.textures.push_back(obj.main_texture);
213 textures.push_back("texture");