X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Fmesh.cpp;h=de05102a358a5665a51b12cd0c345c21441052d5;hp=492f416d1adeccb28e2abf3febfbe874a679abeb;hb=d493917dbc215cd6ba3f8773a52a289d9f14380d;hpb=f1244e29afd2a36aafc2373d485457b4cb0411ff

diff --git a/source/core/mesh.cpp b/source/core/mesh.cpp
index 492f416d..de05102a 100644
--- a/source/core/mesh.cpp
+++ b/source/core/mesh.cpp
@@ -31,7 +31,7 @@ void Mesh::init(ResourceManager *rm)
 	ibuf = 0;
 	dirty = 0;
 	disallow_rendering = false;
-	winding = 0;
+	face_winding = NON_MANIFOLD;
 
 	if(rm)
 		set_manager(rm);
@@ -89,7 +89,6 @@ void Mesh::check_buffers(unsigned mask)
 			ibuf = new Buffer;
 			if(!batches.empty())
 				batches.front().change_buffer(ibuf);
-			vtx_setup.set_index_buffer(*ibuf);
 			dirty |= INDEX_BUFFER;
 
 #ifdef DEBUG
@@ -97,6 +96,9 @@ void Mesh::check_buffers(unsigned mask)
 				vbuf->set_debug_name(debug_name+" [IBO]");
 #endif
 		}
+
+		if(!batches.empty())
+			vtx_setup.set_index_buffer(*ibuf, batches.front().get_index_type());
 	}
 }
 
@@ -105,7 +107,7 @@ unsigned Mesh::get_n_vertices() const
 	return vertices.size();
 }
 
-float *Mesh::modify_vertex(unsigned i)
+char *Mesh::modify_vertex(unsigned i)
 {
 	if(vertices.get_format().empty())
 		throw invalid_operation("Mesh::modify_vertex");
@@ -146,12 +148,25 @@ void Mesh::add_batch(const Batch &b)
 			batches.back().use_buffer(ibuf, prev);
 	}
 
+	DataType existing_type = batches.front().get_index_type();
+	DataType added_type = batches.back().get_index_type();
+	if(existing_type!=added_type)
+	{
+		if(get_type_size(existing_type)>get_type_size(added_type))
+			batches.back().set_index_type(existing_type);
+		else
+		{
+			for(vector<Batch>::iterator i=batches.begin(); i!=batches.end(); ++i)
+				i->set_index_type(added_type);
+		}
+	}
+
 	check_buffers(INDEX_BUFFER);
 }
 
-void Mesh::set_winding(const WindingTest *w)
+void Mesh::set_winding(FaceWinding w)
 {
-	winding = w;
+	face_winding = w;
 }
 
 void Mesh::draw(Renderer &renderer) const
@@ -183,7 +198,7 @@ void Mesh::draw(Renderer &renderer, const VertexSetup *vs, unsigned count) const
 		resize_buffers();
 
 	renderer.set_vertex_setup(vs ? vs : &vtx_setup);
-	renderer.set_winding_test(winding);
+	renderer.set_front_face(face_winding);
 
 	if(!count)
 	{
@@ -256,7 +271,7 @@ Mesh::Loader::Loader(Mesh &m, bool g):
 	add("storage",  &Loader::storage);
 	add("vertices", &Loader::vertices);
 	add("vertices", &Loader::vertices_with_format);
-	add("winding",  &Loader::winding);
+	add("winding",  &Mesh::face_winding);
 }
 
 void Mesh::Loader::storage(const vector<VertexAttribute> &a)
@@ -290,14 +305,6 @@ void Mesh::Loader::batch(PrimitiveType p)
 	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();
-}
-
 
 Mesh::AsyncLoader::AsyncLoader(Mesh &m, IO::Seekable &i):
 	mesh(m),