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::render(const list<const ObjectInstance *> &insts, const Tag &tag) const
64 render(get_pass(tag), insts);
67 void Object::setup_render(const ObjectPass &pass) const
70 throw InvalidState("Trying to render Object without mesh");
76 for(unsigned i=0; i<textures.size(); ++i)
82 else if(main_texture && pass.use_textures)
89 void Object::finish_render(const ObjectPass &pass) const
94 for(unsigned i=textures.size(); i--;)
100 else if(main_texture)
104 void Object::render(const ObjectPass &pass, const ObjectInstance *inst) const
111 inst->setup_render(pass);
112 lod=min(inst->get_level_of_detail(), meshes.size()-1);
118 inst->finish_render(pass);
123 void Object::render(const ObjectPass &pass, const list<const ObjectInstance *> &insts) const
127 for(list<const ObjectInstance *>::const_iterator i=insts.begin(); i!=insts.end(); ++i)
129 (*i)->setup_render(pass);
131 unsigned lod=min((*i)->get_level_of_detail(), meshes.size()-1);
134 (*i)->finish_render(pass);
141 Object::Loader::Loader(Object &o, Collection &c):
145 add("lod_mesh", &Loader::lod_mesh);
146 add("material", &Object::material);
147 add("material_inline", &Loader::material_inline);
148 add("mesh", &Loader::mesh);
149 add("pass", &Loader::pass);
150 add("shader", &Loader::shader);
151 add("shader_texture", &Loader::shader_texture);
152 add("texture", &Loader::texture);
155 void Object::Loader::finish()
157 for(map<unsigned, ObjectPass>::iterator i=obj.passes.begin(); i!=obj.passes.end(); ++i)
160 for(unsigned j=0; j<textures.size(); ++j)
161 i->second.shdata->uniform(i->second.shprog->get_uniform_location(textures[j]), static_cast<int>(j));
165 void Object::Loader::lod_mesh(unsigned l, const string &n)
167 obj.meshes.resize(l+1, 0);
168 obj.meshes[l]=coll.get<Mesh>(n);
171 void Object::Loader::material_inline()
173 RefPtr<Material> mat=new Material;
175 coll.add(format("%p%p", &obj, mat.get()), mat.get());
176 obj.material=mat.release();
179 void Object::Loader::mesh(const string &n)
181 obj.meshes[0]=coll.get<Mesh>(n);
184 void Object::Loader::pass(const string &n)
186 unsigned id=Tag(n).id;
187 if(obj.passes.count(id))
188 throw KeyError("Duplicate pass name");
194 void Object::Loader::shader(const string &n)
196 Program *shprog=coll.get<Program>(n);
197 if(shprog) // Allow for unsupported shaders
199 RefPtr<ProgramData> shdata=new ProgramData;
200 load_sub(*shdata, *shprog);
202 obj.normal_pass->shprog=shprog;
203 if(obj.normal_pass->shdata)
204 delete obj.normal_pass->shdata;
205 obj.normal_pass->shdata=shdata.release();
209 void Object::Loader::shader_texture(const string &n)
211 unsigned eqsign=n.find('=');
212 if(eqsign!=string::npos)
214 obj.textures.push_back(coll.get<Texture>(n.substr(eqsign+1)));
215 textures.push_back(n.substr(0, eqsign));
219 obj.textures.push_back(coll.get<Texture>(n));
220 textures.push_back(n);
224 void Object::Loader::texture(const string &n)
227 throw Exception("Only one main texture may be specified");
229 obj.main_texture=coll.get<Texture>(n);
230 obj.textures.push_back(obj.main_texture);
231 textures.push_back("texture");