X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprimitivebuilder.cpp;h=dd869908d9240df76b2f48a2308a0396613a35ad;hp=22106a344a828326c7329c5f482bc2a230e56a92;hb=d713e5391dc5d85759c7aab36f6df7a85c3d8eff;hpb=4443707c752ab8ee288f1c22be08cf82f27439d7

diff --git a/source/primitivebuilder.cpp b/source/primitivebuilder.cpp
index 22106a34..dd869908 100644
--- a/source/primitivebuilder.cpp
+++ b/source/primitivebuilder.cpp
@@ -1,25 +1,22 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2008, 2010  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
+#include "error.h"
 #include "primitivebuilder.h"
 
+using namespace std;
+
 namespace Msp {
 namespace GL {
 
 PrimitiveBuilder::PrimitiveBuilder(VertexArray &a):
 	array(a),
 	vab(array),
-	in_batch(false)
+	in_batch(false),
+	offs(0)
 { }
 
 void PrimitiveBuilder::begin(PrimitiveType t)
 {
 	if(in_batch)
-		throw InvalidState("begin() already called");
+		throw invalid_operation("PrimitiveBuilder::begin");
 
 	type = t;
 	in_batch = true;
@@ -30,30 +27,37 @@ void PrimitiveBuilder::begin(PrimitiveType t)
 void PrimitiveBuilder::end()
 {
 	if(!in_batch)
-		throw InvalidState("end() called without begin()");
+		throw invalid_operation("PrimitiveBuilder::end");
 
 	in_batch = false;
 
 	end_();
 }
 
+void PrimitiveBuilder::offset(unsigned o)
+{
+	if(o>array.size())
+		throw out_of_range("PrimitiveBuilder::offset");
+	offs = o;
+}
+
 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);
+		throw invalid_operation("PrimitiveBuilder::element");
+	if(offs+i>=array.size())
+		throw out_of_range("PrimitiveBuilder::element");
+	element_(offs+i);
 }
 
 PrimitiveType PrimitiveBuilder::get_type() const
 {
 	if(!in_batch)
-		throw InvalidState("Not between begin() and end()");
+		throw invalid_operation("PrimitiveBuilder::get_type");
 	return type;
 }
 
-void PrimitiveBuilder::vertex_(float x, float y, float z, float w)
+void PrimitiveBuilder::vertex_(const Vector4 &v)
 {
 	vab.color(col);
 	vab.normal(nor);
@@ -61,7 +65,7 @@ void PrimitiveBuilder::vertex_(float x, float y, float z, float w)
 		vab.multitexcoord(i->first, i->second);
 	for(std::map<unsigned, Vector4>::iterator i=attr.begin(); i!=attr.end(); ++i)
 		vab.attrib(i->first, i->second);
-	vab.vertex(x, y, z, w);
+	vab.vertex(v);
 
 	if(in_batch)
 		element_(array.size()-1);