X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fmesh.cpp;h=5f9c60d03919e2fe262d4bf848325eaee30dd6e5;hp=f23c56c8b80c54e30b645984cc3d0b8d7747f7e5;hb=HEAD;hpb=cfd7b5bc0c69d0b8cc7c8b3ec81a1a9462d04abb diff --git a/source/mesh.cpp b/source/mesh.cpp deleted file mode 100644 index f23c56c8..00000000 --- a/source/mesh.cpp +++ /dev/null @@ -1,158 +0,0 @@ -#include "buffer.h" -#include "mesh.h" -#include "renderer.h" - -using namespace std; - -namespace Msp { -namespace GL { - -Mesh::Mesh(): - vertices(VERTEX3), - vbuf(0), - ibuf(0), - defer_buffers(true), - winding(0) -{ } - -Mesh::Mesh(const VertexFormat &f): - vertices(f), - vbuf(0), - ibuf(0), - defer_buffers(true), - winding(0) -{ } - -Mesh::~Mesh() -{ - delete vbuf; - delete ibuf; -} - -void Mesh::clear() -{ - vertices.clear(); - batches.clear(); -} - -void Mesh::use_buffers(bool b) -{ - defer_buffers = false; - if(b) - create_buffers(); - else - { - vertices.use_buffer(0); - delete vbuf; - vbuf = 0; - delete ibuf; - ibuf = 0; - } -} - -void Mesh::create_buffers() -{ - defer_buffers = false; - - if(!vbuf) - vbuf = new Buffer(ARRAY_BUFFER); - vertices.use_buffer(vbuf); - - if(!ibuf) - ibuf = new Buffer(ELEMENT_ARRAY_BUFFER); -} - -unsigned Mesh::get_n_vertices() const -{ - return vertices.size(); -} - -float *Mesh::modify_vertex(unsigned i) -{ - return vertices.modify(i); -} - -void Mesh::add_batch(const Batch &b) -{ - if(defer_buffers) - create_buffers(); - - if(!batches.empty() && batches.back().can_append(b.get_type())) - batches.back().append(b); - else - { - Batch *prev = (batches.empty() ? 0 : &batches.back()); - batches.push_back(b); - if(ibuf) - batches.back().use_buffer(ibuf, prev); - } -} - -void Mesh::set_winding(const WindingTest *w) -{ - winding = w; -} - -void Mesh::draw() const -{ - vertices.apply(); - - if(ibuf) - ibuf->bind_to(ELEMENT_ARRAY_BUFFER); - Bind bind_winding(winding); - - for(list::const_iterator i=batches.begin(); i!=batches.end(); ++i) - i->draw(); - - if(ibuf) - Buffer::unbind_from(ELEMENT_ARRAY_BUFFER); -} - -void Mesh::draw(Renderer &renderer) const -{ - vertices.apply(); - renderer.set_element_buffer(ibuf); - renderer.set_winding_test(winding); - - for(list::const_iterator i=batches.begin(); i!=batches.end(); ++i) - renderer.draw(*i); -} - - -Mesh::Loader::Loader(Mesh &m): - DataFile::ObjectLoader(m) -{ - add("batch", &Loader::batch); - add("vertices", &Loader::vertices); - add("winding", &Loader::winding); -} - -void Mesh::Loader::vertices(const vector &c) -{ - if(c.empty()) - throw invalid_argument("No vertex components"); - - VertexFormat fmt; - for(vector::const_iterator i=c.begin(); i!=c.end(); ++i) - fmt = (fmt, *i); - obj.vertices.reset(fmt); - load_sub(obj.vertices); -} - -void Mesh::Loader::batch(PrimitiveType p) -{ - Batch btc(p); - load_sub(btc); - obj.add_batch(btc); -} - -void Mesh::Loader::winding(FaceWinding w) -{ - if(w==CLOCKWISE) - obj.winding = &WindingTest::clockwise(); - else if(w==COUNTERCLOCKWISE) - obj.winding = &WindingTest::counterclockwise(); -} - -} // namespace GL -} // namespace Msp