17 Mesh::Mesh(const VertexFormat &f):
35 void Mesh::use_buffers(bool b)
39 vertices.use_vertex_buffer();
41 ibuf = new Buffer(ELEMENT_ARRAY_BUFFER);
46 vertices.use_vertex_buffer(0);
53 unsigned Mesh::get_n_vertices() const
55 return vertices.size();
58 float *Mesh::modify_vertex(unsigned i)
60 return vertices.modify(i);
63 void Mesh::add_batch(const Batch &b)
67 ibuf = new Buffer(ELEMENT_ARRAY_BUFFER);
71 if(!batches.empty() && batches.back().can_append(b.get_type()))
72 batches.back().append(b);
75 Batch *prev = (batches.empty() ? 0 : &batches.back());
78 batches.back().use_buffer(ibuf, prev);
82 void Mesh::set_winding(const WindingTest *w)
87 void Mesh::draw() const
92 ibuf->bind_to(ELEMENT_ARRAY_BUFFER);
93 Bind bind_winding(winding);
95 for(list<Batch>::const_iterator i=batches.begin(); i!=batches.end(); ++i)
99 Buffer::unbind_from(ELEMENT_ARRAY_BUFFER);
102 void Mesh::draw(Renderer &renderer) const
104 renderer.set_vertex_array(&vertices);
105 renderer.set_element_buffer(ibuf);
106 renderer.set_winding_test(winding);
108 for(list<Batch>::const_iterator i=batches.begin(); i!=batches.end(); ++i)
111 renderer.set_winding_test(0);
115 Mesh::Loader::Loader(Mesh &m):
116 DataFile::ObjectLoader<Mesh>(m)
118 add("batch", &Loader::batch);
119 add("vertices", &Loader::vertices);
120 add("winding", &Loader::winding);
123 void Mesh::Loader::vertices(const vector<VertexComponent> &c)
126 throw invalid_argument("No vertex components");
129 for(vector<VertexComponent>::const_iterator i=c.begin(); i!=c.end(); ++i)
131 obj.vertices.reset(fmt);
132 load_sub(obj.vertices);
135 void Mesh::Loader::batch(PrimitiveType p)
142 void Mesh::Loader::winding(FaceWinding w)
145 obj.winding = &WindingTest::clockwise();
146 else if(w==COUNTERCLOCKWISE)
147 obj.winding = &WindingTest::counterclockwise();