X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprimitivebuilder.cpp;h=6a4d9bf0b866ccd1585a68ef05acf9b1c42df682;hb=16f6f15328b3a6eec87b1b5e5822368966d44a38;hp=ca8f4f3c5343ff973aef0ab1e33173b5d6e4adc4;hpb=d1800d7ea80290f4913d0203241cef1409656522;p=libs%2Fgl.git

diff --git a/source/primitivebuilder.cpp b/source/primitivebuilder.cpp
index ca8f4f3c..6a4d9bf0 100644
--- a/source/primitivebuilder.cpp
+++ b/source/primitivebuilder.cpp
@@ -12,6 +12,7 @@ namespace GL {
 
 PrimitiveBuilder::PrimitiveBuilder(VertexArray &a):
 	array(a),
+	vab(array),
 	in_batch(false)
 { }
 
@@ -22,22 +23,29 @@ void PrimitiveBuilder::begin(PrimitiveType t)
 
 	type=t;
 	in_batch=true;
-	builder=array.modify();
 
 	begin_();
 }
 
 void PrimitiveBuilder::end()
 {
-	if(in_batch)
+	if(!in_batch)
 		throw InvalidState("end() called without begin()");
 
-	builder=0;
 	in_batch=false;
 
 	end_();
 }
 
+void PrimitiveBuilder::element(unsigned i)
+{
+	if(!in_batch)
+		throw InvalidState("Element specification not between begin() and end()");
+	if(i>=array.size())
+		throw InvalidParameterValue("Element index out of range");
+	element_(i);
+}
+
 PrimitiveType PrimitiveBuilder::get_type() const
 {
 	if(!in_batch)
@@ -47,13 +55,13 @@ PrimitiveType PrimitiveBuilder::get_type() const
 
 void PrimitiveBuilder::vertex_(float x, float y, float z, float w)
 {
-	if(!in_batch)
-		throw InvalidState("Vertex specification not between begin() and end()");
+	vab.texcoord(ts, tt, tr,tq);
+	vab.color(cr, cg, cb, ca);
+	vab.normal(nx, ny, nz);
+	vab.vertex(x, y, z, w);
 
-	builder->texcoord(ts, tt, tr,tq);
-	builder->color(cr, cg, cb, ca);
-	builder->normal(nx, ny, nz);
-	builder->vertex(x, y, z, w);
+	if(in_batch)
+		element_(array.size()-1);
 }
 
 } // namespace GL